Avoid free-before-initialize vulnerability in heap am: 6995c84 am: ca1a1ff am: b8c0a86 am: 02a513a am: 680f668
am: 4b075cb
* commit '4b075cb788972697b9128aae41446f3b4708951d':
Avoid free-before-initialize vulnerability in heap
diff --git a/README.version b/README.version
new file mode 100644
index 0000000..0f07f97
--- /dev/null
+++ b/README.version
@@ -0,0 +1,3 @@
+URL: http://downloads.xiph.org/releases/flac/flac-1.2.1.tar.gz
+Version: 1.2.1
+BugComponent: 42195
diff --git a/include/FLAC/all.h b/include/FLAC/all.h
deleted file mode 100644
index 6f4d336..0000000
--- a/include/FLAC/all.h
+++ /dev/null
@@ -1,371 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2014 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__ALL_H
-#define FLAC__ALL_H
-
-#include "export.h"
-
-#include "assert.h"
-#include "callback.h"
-#include "format.h"
-#include "metadata.h"
-#include "ordinals.h"
-#include "stream_decoder.h"
-#include "stream_encoder.h"
-
-/** \mainpage
- *
- * \section intro Introduction
- *
- * This is the documentation for the FLAC C and C++ APIs. It is
- * highly interconnected; this introduction should give you a top
- * level idea of the structure and how to find the information you
- * need. As a prerequisite you should have at least a basic
- * knowledge of the FLAC format, documented
- * <A HREF="../format.html">here</A>.
- *
- * \section c_api FLAC C API
- *
- * The FLAC C API is the interface to libFLAC, a set of structures
- * describing the components of FLAC streams, and functions for
- * encoding and decoding streams, as well as manipulating FLAC
- * metadata in files. The public include files will be installed
- * in your include area (for example /usr/include/FLAC/...).
- *
- * By writing a little code and linking against libFLAC, it is
- * relatively easy to add FLAC support to another program. The
- * library is licensed under <A HREF="../license.html">Xiph's BSD license</A>.
- * Complete source code of libFLAC as well as the command-line
- * encoder and plugins is available and is a useful source of
- * examples.
- *
- * Aside from encoders and decoders, libFLAC provides a powerful
- * metadata interface for manipulating metadata in FLAC files. It
- * allows the user to add, delete, and modify FLAC metadata blocks
- * and it can automatically take advantage of PADDING blocks to avoid
- * rewriting the entire FLAC file when changing the size of the
- * metadata.
- *
- * libFLAC usually only requires the standard C library and C math
- * library. In particular, threading is not used so there is no
- * dependency on a thread library. However, libFLAC does not use
- * global variables and should be thread-safe.
- *
- * libFLAC also supports encoding to and decoding from Ogg FLAC.
- * However the metadata editing interfaces currently have limited
- * read-only support for Ogg FLAC files.
- *
- * \section cpp_api FLAC C++ API
- *
- * The FLAC C++ API is a set of classes that encapsulate the
- * structures and functions in libFLAC. They provide slightly more
- * functionality with respect to metadata but are otherwise
- * equivalent. For the most part, they share the same usage as
- * their counterparts in libFLAC, and the FLAC C API documentation
- * can be used as a supplement. The public include files
- * for the C++ API will be installed in your include area (for
- * example /usr/include/FLAC++/...).
- *
- * libFLAC++ is also licensed under
- * <A HREF="../license.html">Xiph's BSD license</A>.
- *
- * \section getting_started Getting Started
- *
- * A good starting point for learning the API is to browse through
- * the <A HREF="modules.html">modules</A>. Modules are logical
- * groupings of related functions or classes, which correspond roughly
- * to header files or sections of header files. Each module includes a
- * detailed description of the general usage of its functions or
- * classes.
- *
- * From there you can go on to look at the documentation of
- * individual functions. You can see different views of the individual
- * functions through the links in top bar across this page.
- *
- * If you prefer a more hands-on approach, you can jump right to some
- * <A HREF="../documentation_example_code.html">example code</A>.
- *
- * \section porting_guide Porting Guide
- *
- * Starting with FLAC 1.1.3 a \link porting Porting Guide \endlink
- * has been introduced which gives detailed instructions on how to
- * port your code to newer versions of FLAC.
- *
- * \section embedded_developers Embedded Developers
- *
- * libFLAC has grown larger over time as more functionality has been
- * included, but much of it may be unnecessary for a particular embedded
- * implementation. Unused parts may be pruned by some simple editing of
- * src/libFLAC/Makefile.am. In general, the decoders, encoders, and
- * metadata interface are all independent from each other.
- *
- * It is easiest to just describe the dependencies:
- *
- * - All modules depend on the \link flac_format Format \endlink module.
- * - The decoders and encoders depend on the bitbuffer.
- * - The decoder is independent of the encoder. The encoder uses the
- * decoder because of the verify feature, but this can be removed if
- * not needed.
- * - Parts of the metadata interface require the stream decoder (but not
- * the encoder).
- * - Ogg support is selectable through the compile time macro
- * \c FLAC__HAS_OGG.
- *
- * For example, if your application only requires the stream decoder, no
- * encoder, and no metadata interface, you can remove the stream encoder
- * and the metadata interface, which will greatly reduce the size of the
- * library.
- *
- * Also, there are several places in the libFLAC code with comments marked
- * with "OPT:" where a #define can be changed to enable code that might be
- * faster on a specific platform. Experimenting with these can yield faster
- * binaries.
- */
-
-/** \defgroup porting Porting Guide for New Versions
- *
- * This module describes differences in the library interfaces from
- * version to version. It assists in the porting of code that uses
- * the libraries to newer versions of FLAC.
- *
- * One simple facility for making porting easier that has been added
- * in FLAC 1.1.3 is a set of \c #defines in \c export.h of each
- * library's includes (e.g. \c include/FLAC/export.h). The
- * \c #defines mirror the libraries'
- * <A HREF="http://www.gnu.org/software/libtool/manual/libtool.html#Libtool-versioning">libtool version numbers</A>,
- * e.g. in libFLAC there are \c FLAC_API_VERSION_CURRENT,
- * \c FLAC_API_VERSION_REVISION, and \c FLAC_API_VERSION_AGE.
- * These can be used to support multiple versions of an API during the
- * transition phase, e.g.
- *
- * \code
- * #if !defined(FLAC_API_VERSION_CURRENT) || FLAC_API_VERSION_CURRENT <= 7
- * legacy code
- * #else
- * new code
- * #endif
- * \endcode
- *
- * The source will work for multiple versions and the legacy code can
- * easily be removed when the transition is complete.
- *
- * Another available symbol is FLAC_API_SUPPORTS_OGG_FLAC (defined in
- * include/FLAC/export.h), which can be used to determine whether or not
- * the library has been compiled with support for Ogg FLAC. This is
- * simpler than trying to call an Ogg init function and catching the
- * error.
- */
-
-/** \defgroup porting_1_1_2_to_1_1_3 Porting from FLAC 1.1.2 to 1.1.3
- * \ingroup porting
- *
- * \brief
- * This module describes porting from FLAC 1.1.2 to FLAC 1.1.3.
- *
- * The main change between the APIs in 1.1.2 and 1.1.3 is that they have
- * been simplified. First, libOggFLAC has been merged into libFLAC and
- * libOggFLAC++ has been merged into libFLAC++. Second, both the three
- * decoding layers and three encoding layers have been merged into a
- * single stream decoder and stream encoder. That is, the functionality
- * of FLAC__SeekableStreamDecoder and FLAC__FileDecoder has been merged
- * into FLAC__StreamDecoder, and FLAC__SeekableStreamEncoder and
- * FLAC__FileEncoder into FLAC__StreamEncoder. Only the
- * FLAC__StreamDecoder and FLAC__StreamEncoder remain. What this means
- * is there is now a single API that can be used to encode or decode
- * streams to/from native FLAC or Ogg FLAC and the single API can work
- * on both seekable and non-seekable streams.
- *
- * Instead of creating an encoder or decoder of a certain layer, now the
- * client will always create a FLAC__StreamEncoder or
- * FLAC__StreamDecoder. The old layers are now differentiated by the
- * initialization function. For example, for the decoder,
- * FLAC__stream_decoder_init() has been replaced by
- * FLAC__stream_decoder_init_stream(). This init function takes
- * callbacks for the I/O, and the seeking callbacks are optional. This
- * allows the client to use the same object for seekable and
- * non-seekable streams. For decoding a FLAC file directly, the client
- * can use FLAC__stream_decoder_init_file() and pass just a filename
- * and fewer callbacks; most of the other callbacks are supplied
- * internally. For situations where fopen()ing by filename is not
- * possible (e.g. Unicode filenames on Windows) the client can instead
- * open the file itself and supply the FILE* to
- * FLAC__stream_decoder_init_FILE(). The init functions now returns a
- * FLAC__StreamDecoderInitStatus instead of FLAC__StreamDecoderState.
- * Since the callbacks and client data are now passed to the init
- * function, the FLAC__stream_decoder_set_*_callback() functions and
- * FLAC__stream_decoder_set_client_data() are no longer needed. The
- * rest of the calls to the decoder are the same as before.
- *
- * There are counterpart init functions for Ogg FLAC, e.g.
- * FLAC__stream_decoder_init_ogg_stream(). All the rest of the calls
- * and callbacks are the same as for native FLAC.
- *
- * As an example, in FLAC 1.1.2 a seekable stream decoder would have
- * been set up like so:
- *
- * \code
- * FLAC__SeekableStreamDecoder *decoder = FLAC__seekable_stream_decoder_new();
- * if(decoder == NULL) do_something;
- * FLAC__seekable_stream_decoder_set_md5_checking(decoder, true);
- * [... other settings ...]
- * FLAC__seekable_stream_decoder_set_read_callback(decoder, my_read_callback);
- * FLAC__seekable_stream_decoder_set_seek_callback(decoder, my_seek_callback);
- * FLAC__seekable_stream_decoder_set_tell_callback(decoder, my_tell_callback);
- * FLAC__seekable_stream_decoder_set_length_callback(decoder, my_length_callback);
- * FLAC__seekable_stream_decoder_set_eof_callback(decoder, my_eof_callback);
- * FLAC__seekable_stream_decoder_set_write_callback(decoder, my_write_callback);
- * FLAC__seekable_stream_decoder_set_metadata_callback(decoder, my_metadata_callback);
- * FLAC__seekable_stream_decoder_set_error_callback(decoder, my_error_callback);
- * FLAC__seekable_stream_decoder_set_client_data(decoder, my_client_data);
- * if(FLAC__seekable_stream_decoder_init(decoder) != FLAC__SEEKABLE_STREAM_DECODER_OK) do_something;
- * \endcode
- *
- * In FLAC 1.1.3 it is like this:
- *
- * \code
- * FLAC__StreamDecoder *decoder = FLAC__stream_decoder_new();
- * if(decoder == NULL) do_something;
- * FLAC__stream_decoder_set_md5_checking(decoder, true);
- * [... other settings ...]
- * if(FLAC__stream_decoder_init_stream(
- * decoder,
- * my_read_callback,
- * my_seek_callback, // or NULL
- * my_tell_callback, // or NULL
- * my_length_callback, // or NULL
- * my_eof_callback, // or NULL
- * my_write_callback,
- * my_metadata_callback, // or NULL
- * my_error_callback,
- * my_client_data
- * ) != FLAC__STREAM_DECODER_INIT_STATUS_OK) do_something;
- * \endcode
- *
- * or you could do;
- *
- * \code
- * [...]
- * FILE *file = fopen("somefile.flac","rb");
- * if(file == NULL) do_somthing;
- * if(FLAC__stream_decoder_init_FILE(
- * decoder,
- * file,
- * my_write_callback,
- * my_metadata_callback, // or NULL
- * my_error_callback,
- * my_client_data
- * ) != FLAC__STREAM_DECODER_INIT_STATUS_OK) do_something;
- * \endcode
- *
- * or just:
- *
- * \code
- * [...]
- * if(FLAC__stream_decoder_init_file(
- * decoder,
- * "somefile.flac",
- * my_write_callback,
- * my_metadata_callback, // or NULL
- * my_error_callback,
- * my_client_data
- * ) != FLAC__STREAM_DECODER_INIT_STATUS_OK) do_something;
- * \endcode
- *
- * Another small change to the decoder is in how it handles unparseable
- * streams. Before, when the decoder found an unparseable stream
- * (reserved for when the decoder encounters a stream from a future
- * encoder that it can't parse), it changed the state to
- * \c FLAC__STREAM_DECODER_UNPARSEABLE_STREAM. Now the decoder instead
- * drops sync and calls the error callback with a new error code
- * \c FLAC__STREAM_DECODER_ERROR_STATUS_UNPARSEABLE_STREAM. This is
- * more robust. If your error callback does not discriminate on the the
- * error state, your code does not need to be changed.
- *
- * The encoder now has a new setting:
- * FLAC__stream_encoder_set_apodization(). This is for setting the
- * method used to window the data before LPC analysis. You only need to
- * add a call to this function if the default is not suitable. There
- * are also two new convenience functions that may be useful:
- * FLAC__metadata_object_cuesheet_calculate_cddb_id() and
- * FLAC__metadata_get_cuesheet().
- *
- * The \a bytes parameter to FLAC__StreamDecoderReadCallback,
- * FLAC__StreamEncoderReadCallback, and FLAC__StreamEncoderWriteCallback
- * is now \c size_t instead of \c unsigned.
- */
-
-/** \defgroup porting_1_1_3_to_1_1_4 Porting from FLAC 1.1.3 to 1.1.4
- * \ingroup porting
- *
- * \brief
- * This module describes porting from FLAC 1.1.3 to FLAC 1.1.4.
- *
- * There were no changes to any of the interfaces from 1.1.3 to 1.1.4.
- * There was a slight change in the implementation of
- * FLAC__stream_encoder_set_metadata(); the function now makes a copy
- * of the \a metadata array of pointers so the client no longer needs
- * to maintain it after the call. The objects themselves that are
- * pointed to by the array are still not copied though and must be
- * maintained until the call to FLAC__stream_encoder_finish().
- */
-
-/** \defgroup porting_1_1_4_to_1_2_0 Porting from FLAC 1.1.4 to 1.2.0
- * \ingroup porting
- *
- * \brief
- * This module describes porting from FLAC 1.1.4 to FLAC 1.2.0.
- *
- * There were only very minor changes to the interfaces from 1.1.4 to 1.2.0.
- * In libFLAC, \c FLAC__format_sample_rate_is_subset() was added.
- * In libFLAC++, \c FLAC::Decoder::Stream::get_decode_position() was added.
- *
- * Finally, value of the constant \c FLAC__FRAME_HEADER_RESERVED_LEN
- * has changed to reflect the conversion of one of the reserved bits
- * into active use. It used to be \c 2 and now is \c 1. However the
- * FLAC frame header length has not changed, so to skip the proper
- * number of bits, use \c FLAC__FRAME_HEADER_RESERVED_LEN +
- * \c FLAC__FRAME_HEADER_BLOCKING_STRATEGY_LEN
- */
-
-/** \defgroup flac FLAC C API
- *
- * The FLAC C API is the interface to libFLAC, a set of structures
- * describing the components of FLAC streams, and functions for
- * encoding and decoding streams, as well as manipulating FLAC
- * metadata in files.
- *
- * You should start with the format components as all other modules
- * are dependent on it.
- */
-
-#endif
diff --git a/include/share/alloc.h b/include/share/alloc.h
index 5e1f1e2..3b70749 100644
--- a/include/share/alloc.h
+++ b/include/share/alloc.h
@@ -153,11 +153,21 @@
return malloc(size1*size2);
}
+static inline void *safe_realloc_(void *ptr, size_t size)
+{
+ void *oldptr = ptr;
+ void *newptr = realloc(ptr, size);
+ if(size > 0 && newptr == 0)
+ free(oldptr);
+ return newptr;
+}
static inline void *safe_realloc_add_2op_(void *ptr, size_t size1, size_t size2)
{
size2 += size1;
- if(size2 < size1)
+ if(size2 < size1) {
+ free(ptr);
return 0;
+ }
return realloc(ptr, size2);
}
@@ -192,7 +202,7 @@
return realloc(ptr, 0); /* preserve POSIX realloc(ptr, 0) semantics */
if(size1 > SIZE_MAX / size2)
return 0;
- return realloc(ptr, size1*size2);
+ return safe_realloc_(ptr, size1*size2);
}
/* size1 * (size2 + size3) */
diff --git a/include/share/compat.h b/include/share/compat.h
index 1ee5cc4..671b110 100644
--- a/include/share/compat.h
+++ b/include/share/compat.h
@@ -87,7 +87,10 @@
#define FLAC__U64L(x) x##ULL
-#if defined _MSC_VER || defined __BORLANDC__ || defined __MINGW32__
+#if defined _MSC_VER || defined __MINGW32__
+#define FLAC__STRCASECMP _stricmp
+#define FLAC__STRNCASECMP _strnicmp
+#elif defined __BORLANDC__
#define FLAC__STRCASECMP stricmp
#define FLAC__STRNCASECMP strnicmp
#else
diff --git a/libFLAC/Makefile.am b/libFLAC/Makefile.am
deleted file mode 100644
index cbfb0ac..0000000
--- a/libFLAC/Makefile.am
+++ /dev/null
@@ -1,118 +0,0 @@
-# libFLAC - Free Lossless Audio Codec library
-# Copyright (C) 2001,2002,2003,2004,2005,2006,2007 Josh Coalson
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# - Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#
-# - Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in the
-# documentation and/or other materials provided with the distribution.
-#
-# - Neither the name of the Xiph.org Foundation nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
-# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-lib_LTLIBRARIES = libFLAC.la
-if DEBUG
-DEBUGCFLAGS = -DFLAC__OVERFLOW_DETECT
-endif
-if FLaC__CPU_PPC
-# The -force_cpusubtype_ALL is needed to insert a ppc64 instruction
-# into cpu.c with an asm().
-if FLaC__SYS_DARWIN
-#@@@ PPC optimizations temporarily disabled
-CPUCFLAGS = -faltivec -force_cpusubtype_ALL -DFLAC__NO_ASM
-else
-# Linux-gcc for PPC does not have -force_cpusubtype_ALL, it is Darwin-specific
-#@@@ PPC optimizations temporarily disabled
-CPUCFLAGS = -maltivec -mabi=altivec -DFLAC__NO_ASM
-endif
-endif
-
-AM_CFLAGS = $(DEBUGCFLAGS) $(CPUCFLAGS) @OGG_CFLAGS@
-
-if FLaC__NO_ASM
-else
-if FLaC__CPU_IA32
-if FLaC__HAS_NASM
-ARCH_SUBDIRS = ia32
-LOCAL_EXTRA_LIBADD = ia32/libFLAC-asm.la
-endif
-endif
-if FLaC__CPU_PPC
-ARCH_SUBDIRS = ppc
-if FLaC__HAS_AS__TEMPORARILY_DISABLED
-LOCAL_EXTRA_LIBADD = ppc/as/libFLAC-asm.la
-LOCAL_EXTRA_LDFLAGS = "-Wl,-read_only_relocs,warning"
-else
-if FLaC__HAS_GAS__TEMPORARILY_DISABLED
-LOCAL_EXTRA_LIBADD = ppc/gas/libFLAC-asm.la
-LOCAL_EXTRA_LDFLAGS = ""
-endif
-endif
-endif
-endif
-
-libFLAC_la_LIBADD = $(LOCAL_EXTRA_LIBADD) @OGG_LIBS@
-
-SUBDIRS = $(ARCH_SUBDIRS) include .
-
-m4datadir = $(datadir)/aclocal
-m4data_DATA = libFLAC.m4
-
-pkgconfigdir = $(libdir)/pkgconfig
-pkgconfig_DATA = flac.pc
-
-EXTRA_DIST = \
- Makefile.lite \
- flac.pc.in \
- libFLAC_dynamic.dsp \
- libFLAC_dynamic.vcproj \
- libFLAC_static.dsp \
- libFLAC_static.vcproj \
- libFLAC.m4
-
-if FLaC__HAS_OGG
-extra_ogg_sources = \
- ogg_decoder_aspect.c \
- ogg_encoder_aspect.c \
- ogg_helper.c \
- ogg_mapping.c
-endif
-# see 'http://www.gnu.org/software/libtool/manual.html#Libtool-versioning' for numbering convention
-libFLAC_la_LDFLAGS = -version-info 10:0:2 -lm $(LOCAL_EXTRA_LDFLAGS)
-libFLAC_la_SOURCES = \
- bitmath.c \
- bitreader.c \
- bitwriter.c \
- cpu.c \
- crc.c \
- fixed.c \
- float.c \
- format.c \
- lpc.c \
- md5.c \
- memory.c \
- metadata_iterators.c \
- metadata_object.c \
- stream_decoder.c \
- stream_encoder.c \
- stream_encoder_framing.c \
- window.c \
- $(extra_ogg_sources)
diff --git a/libFLAC/Makefile.in b/libFLAC/Makefile.in
deleted file mode 100644
index 75bfbbb..0000000
--- a/libFLAC/Makefile.in
+++ /dev/null
@@ -1,872 +0,0 @@
-# Makefile.in generated by automake 1.7.9 from Makefile.am.
-# @configure_input@
-
-# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
-# Free Software Foundation, Inc.
-# This Makefile.in is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-# PARTICULAR PURPOSE.
-
-@SET_MAKE@
-
-# libFLAC - Free Lossless Audio Codec library
-# Copyright (C) 2001,2002,2003,2004,2005,2006,2007 Josh Coalson
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# - Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#
-# - Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in the
-# documentation and/or other materials provided with the distribution.
-#
-# - Neither the name of the Xiph.org Foundation nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
-# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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- $$tags $$unique
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- here=`$(am__cd) $(top_builddir) && pwd` \
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- && gtags -i $(GTAGS_ARGS) $$here
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- -rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
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-
-top_distdir = ../..
-distdir = $(top_distdir)/$(PACKAGE)-$(VERSION)
-
-distdir: $(DISTFILES)
- @srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; \
- topsrcdirstrip=`echo "$(top_srcdir)" | sed 's|.|.|g'`; \
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- || mkdir $(distdir)/$$subdir \
- || exit 1; \
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- top_distdir="$(top_distdir)" \
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- distdir) \
- || exit 1; \
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- install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
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-# Otherwise a system limit (for SysV at least) may be exceeded.
-.NOEXPORT:
diff --git a/libFLAC/Makefile.lite b/libFLAC/Makefile.lite
deleted file mode 100644
index 8ea37f8..0000000
--- a/libFLAC/Makefile.lite
+++ /dev/null
@@ -1,90 +0,0 @@
-# libFLAC - Free Lossless Audio Codec library
-# Copyright (C) 2001,2002,2003,2004,2005,2006,2007 Josh Coalson
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# - Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#
-# - Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in the
-# documentation and/or other materials provided with the distribution.
-#
-# - Neither the name of the Xiph.org Foundation nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
-# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#
-# GNU makefile
-#
-
-topdir = ../..
-
-LIB_NAME = libFLAC
-ifeq ($(DARWIN_BUILD),yes)
-DEFINES = -DFLAC__CPU_PPC -DFLAC__USE_ALTIVEC -DFLAC__ALIGN_MALLOC_DATA
-else
-ifeq ($(SOLARIS_BUILD),yes)
-DEFINES = -DFLAC__NO_ASM -DFLAC__ALIGN_MALLOC_DATA
-else
-DEFINES = -DFLAC__CPU_IA32 -DFLAC__USE_3DNOW -DFLAC__HAS_NASM -DFLAC__ALIGN_MALLOC_DATA
-endif
-endif
-INCLUDES = -I./include -I$(topdir)/include -I$(OGG_INCLUDE_DIR)
-DEBUG_CFLAGS = -DFLAC__OVERFLOW_DETECT
-
-ifeq ($(DARWIN_BUILD),yes)
-SRCS_S = \
- ppc/as/lpc_asm.s
-else
-ifeq ($(SOLARIS_BUILD),yes)
-else
-SRCS_NASM = \
- ia32/bitreader_asm.nasm \
- ia32/cpu_asm.nasm \
- ia32/fixed_asm.nasm \
- ia32/lpc_asm.nasm \
- ia32/stream_encoder_asm.nasm
-endif
-endif
-
-SRCS_C = \
- bitmath.c \
- bitreader.c \
- bitwriter.c \
- cpu.c \
- crc.c \
- fixed.c \
- float.c \
- format.c \
- lpc.c \
- md5.c \
- memory.c \
- metadata_iterators.c \
- metadata_object.c \
- ogg_decoder_aspect.c \
- ogg_encoder_aspect.c \
- ogg_helper.c \
- ogg_mapping.c \
- stream_decoder.c \
- stream_encoder.c \
- stream_encoder_framing.c \
- window.c
-
-include $(topdir)/build/lib.mk
-
-# DO NOT DELETE THIS LINE -- make depend depends on it.
diff --git a/libFLAC/NOTICE b/libFLAC/NOTICE
deleted file mode 100644
index 0a104a9..0000000
--- a/libFLAC/NOTICE
+++ /dev/null
@@ -1,28 +0,0 @@
-Copyright (C) 2000,2001,2002,2003,2004,2005,2006,2007 Josh Coalson
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions
-are met:
-
-- Redistributions of source code must retain the above copyright
-notice, this list of conditions and the following disclaimer.
-
-- Redistributions in binary form must reproduce the above copyright
-notice, this list of conditions and the following disclaimer in the
-documentation and/or other materials provided with the distribution.
-
-- Neither the name of the Xiph.org Foundation nor the names of its
-contributors may be used to endorse or promote products derived from
-this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
-CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/libFLAC/bitreader.c b/libFLAC/bitreader.c
index f61229b..67d0f37 100644
--- a/libFLAC/bitreader.c
+++ b/libFLAC/bitreader.c
@@ -418,12 +418,14 @@
FLAC__bool FLAC__bitreader_read_raw_int32(FLAC__BitReader *br, FLAC__int32 *val, unsigned bits)
{
+ FLAC__uint32 uval, mask;
/* OPT: inline raw uint32 code here, or make into a macro if possible in the .h file */
- if(!FLAC__bitreader_read_raw_uint32(br, (FLAC__uint32*)val, bits))
+ if(!FLAC__bitreader_read_raw_uint32(br, &uval, bits))
return false;
- /* sign-extend: */
- *val <<= (32-bits);
- *val >>= (32-bits);
+ /* sign-extend *val assuming it is currently bits wide. */
+ /* From: https://graphics.stanford.edu/~seander/bithacks.html#FixedSignExtend */
+ mask = 1u << (bits - 1);
+ *val = (uval ^ mask) - mask;
return true;
}
diff --git a/libFLAC/bitwriter.c b/libFLAC/bitwriter.c
index 76be1bc..dcdd93e 100644
--- a/libFLAC/bitwriter.c
+++ b/libFLAC/bitwriter.c
@@ -520,7 +520,9 @@
while(nvals) {
/* fold signed to unsigned; actual formula is: negative(v)? -2v-1 : 2v */
- uval = (*vals<<1) ^ (*vals>>31);
+ uval = *vals;
+ uval <<= 1;
+ uval ^= (*vals>>31);
msbits = uval >> parameter;
diff --git a/libFLAC/cpu.c b/libFLAC/cpu.c
index 40c7950..8249500 100644
--- a/libFLAC/cpu.c
+++ b/libFLAC/cpu.c
@@ -240,6 +240,8 @@
# else
disable_sse(info);
# endif
+#elif defined(__ANDROID__) || defined(ANDROID)
+ /* no need to check OS SSE support */
#elif defined(__linux__)
int sse = 0;
struct sigaction sigill_save;
diff --git a/libFLAC/flac.pc.in b/libFLAC/flac.pc.in
deleted file mode 100644
index 8fc39f8..0000000
--- a/libFLAC/flac.pc.in
+++ /dev/null
@@ -1,10 +0,0 @@
-prefix=@prefix@
-exec_prefix=@exec_prefix@
-libdir=@libdir@
-includedir=@includedir@
-
-Name: FLAC
-Description: Free Lossless Audio Codec Library
-Version: @VERSION@
-Libs: -L${libdir} -lFLAC -lm
-Cflags: -I${includedir}/FLAC
diff --git a/libFLAC/format.c b/libFLAC/format.c
index 4d0d832..0b1d10b 100644
--- a/libFLAC/format.c
+++ b/libFLAC/format.c
@@ -39,6 +39,7 @@
#include <string.h> /* for memset() */
#include "FLAC/assert.h"
#include "FLAC/format.h"
+#include "share/alloc.h"
#include "share/compat.h"
#include "private/format.h"
#include "private/macros.h"
@@ -274,6 +275,9 @@
FLAC__ASSERT(0 != seek_table);
+ if (seek_table->num_points == 0)
+ return 0;
+
/* sort the seekpoints */
qsort(seek_table->points, seek_table->num_points, sizeof(FLAC__StreamMetadata_SeekPoint), (int (*)(const void *, const void *))seekpoint_compare_);
@@ -573,9 +577,9 @@
FLAC__ASSERT(object->capacity_by_order > 0 || (0 == object->parameters && 0 == object->raw_bits));
if(object->capacity_by_order < max_partition_order) {
- if(0 == (object->parameters = realloc(object->parameters, sizeof(unsigned)*(1 << max_partition_order))))
+ if(0 == (object->parameters = safe_realloc_(object->parameters, sizeof(unsigned)*(1 << max_partition_order))))
return false;
- if(0 == (object->raw_bits = realloc(object->raw_bits, sizeof(unsigned)*(1 << max_partition_order))))
+ if(0 == (object->raw_bits = safe_realloc_(object->raw_bits, sizeof(unsigned)*(1 << max_partition_order))))
return false;
memset(object->raw_bits, 0, sizeof(unsigned)*(1 << max_partition_order));
object->capacity_by_order = max_partition_order;
diff --git a/libFLAC/ia32/Makefile.am b/libFLAC/ia32/Makefile.am
deleted file mode 100644
index 04a5b98..0000000
--- a/libFLAC/ia32/Makefile.am
+++ /dev/null
@@ -1,45 +0,0 @@
-# libFLAC - Free Lossless Audio Codec library
-# Copyright (C) 2001,2002,2003,2004,2005,2006,2007 Josh Coalson
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# - Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
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deleted file mode 100644
index 5d1bbfa..0000000
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-; this software without specific prior written permission.
-;
-; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-; ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
-; CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-%include "nasm.h"
-
- data_section
-
-cextern FLAC__crc16_table ; unsigned FLAC__crc16_table[256];
-cextern bitreader_read_from_client_ ; FLAC__bool bitreader_read_from_client_(FLAC__BitReader *br);
-
-cglobal FLAC__bitreader_read_rice_signed_block_asm_ia32_bswap
-
- code_section
-
-
-; **********************************************************************
-;
-; void FLAC__bool FLAC__bitreader_read_rice_signed_block(FLAC__BitReader *br, int vals[], unsigned nvals, unsigned parameter)
-;
-; Some details like assertions and other checking is performed by the caller.
- ALIGN 16
-cident FLAC__bitreader_read_rice_signed_block_asm_ia32_bswap
-
- ;ASSERT(0 != br);
- ;ASSERT(0 != br->buffer);
- ; WATCHOUT: code only works if sizeof(brword)==32; we can make things much faster with this assertion
- ;ASSERT(FLAC__BITS_PER_WORD == 32);
- ;ASSERT(parameter < 32);
- ; the above two asserts also guarantee that the binary part never straddles more than 2 words, so we don't have to loop to read it
-
- ;; peppered throughout the code at major checkpoints are keys like this as to where things are at that point in time
- ;; [esp + 16] unsigned parameter
- ;; [esp + 12] unsigned nvals
- ;; [esp + 8] int vals[]
- ;; [esp + 4] FLAC__BitReader *br
- mov eax, [esp + 12] ; if(nvals == 0)
- test eax, eax
- ja .nvals_gt_0
- mov eax, 1 ; return true;
- ret
-
-.nvals_gt_0:
- push ebp
- push ebx
- push esi
- push edi
- sub esp, 4
- ;; [esp + 36] unsigned parameter
- ;; [esp + 32] unsigned nvals
- ;; [esp + 28] int vals[]
- ;; [esp + 24] FLAC__BitReader *br
- ;; [esp] ucbits
- mov ebp, [esp + 24] ; ebp <- br == br->buffer
- mov esi, [ebp + 16] ; esi <- br->consumed_words (aka 'cwords' in the C version)
- mov ecx, [ebp + 20] ; ecx <- br->consumed_bits (aka 'cbits' in the C version)
- xor edi, edi ; edi <- 0 'uval'
- ;; ecx cbits
- ;; esi cwords
- ;; edi uval
- ;; ebp br
- ;; [ebp] br->buffer
- ;; [ebp + 8] br->words
- ;; [ebp + 12] br->bytes
- ;; [ebp + 16] br->consumed_words
- ;; [ebp + 20] br->consumed_bits
- ;; [ebp + 24] br->read_crc
- ;; [ebp + 28] br->crc16_align
-
- ; ucbits = (br->words-cwords)*FLAC__BITS_PER_WORD + br->bytes*8 - cbits;
- mov eax, [ebp + 8] ; eax <- br->words
- sub eax, esi ; eax <- br->words-cwords
- shl eax, 2 ; eax <- (br->words-cwords)*FLAC__BYTES_PER_WORD
- add eax, [ebp + 12] ; eax <- (br->words-cwords)*FLAC__BYTES_PER_WORD + br->bytes
- shl eax, 3 ; eax <- (br->words-cwords)*FLAC__BITS_PER_WORD + br->bytes*8
- sub eax, ecx ; eax <- (br->words-cwords)*FLAC__BITS_PER_WORD + br->bytes*8 - cbits
- mov [esp], eax ; ucbits <- eax
-
- ALIGN 16
-.val_loop: ; while(1) {
-
- ;
- ; read unary part
- ;
-.unary_loop: ; while(1) {
- ;; ecx cbits
- ;; esi cwords
- ;; edi uval
- ;; ebp br
- cmp esi, [ebp + 8] ; while(cwords < br->words) /* if we've not consumed up to a partial tail word... */
- jae near .c1_next1
-.c1_loop: ; {
- mov ebx, [ebp]
- mov eax, [ebx + 4*esi] ; b = br->buffer[cwords]
- mov edx, eax ; edx = br->buffer[cwords] (saved for later use)
- shl eax, cl ; b = br->buffer[cwords] << cbits
- test eax, eax ; (still have to test since cbits may be 0, thus ZF not updated for shl eax,0)
- jz near .c1_next2 ; if(b) {
- bsr ebx, eax
- not ebx
- and ebx, 31 ; ebx = 'i' = # of leading 0 bits in 'b' (eax)
- add ecx, ebx ; cbits += i;
- add edi, ebx ; uval += i;
- add ecx, byte 1 ; cbits++; /* skip over stop bit */
- test ecx, ~31
- jz near .break1 ; if(cbits >= FLAC__BITS_PER_WORD) { /* faster way of testing if(cbits == FLAC__BITS_PER_WORD) */
- ; crc16_update_word_(br, br->buffer[cwords]);
- push edi ; [need more registers]
- bswap edx ; edx = br->buffer[cwords] swapped; now we can CRC the bytes from LSByte to MSByte which makes things much easier
- mov ecx, [ebp + 28] ; ecx <- br->crc16_align
- mov eax, [ebp + 24] ; ax <- br->read_crc (a.k.a. crc)
-%ifdef FLAC__PUBLIC_NEEDS_UNDERSCORE
- mov edi, _FLAC__crc16_table
-%else
- mov edi, FLAC__crc16_table
-%endif
- ;; eax (ax) crc a.k.a. br->read_crc
- ;; ebx (bl) intermediate result index into FLAC__crc16_table[]
- ;; ecx br->crc16_align
- ;; edx byteswapped brword to CRC
- ;; esi cwords
- ;; edi unsigned FLAC__crc16_table[]
- ;; ebp br
- test ecx, ecx ; switch(br->crc16_align) ...
- jnz .c0b4 ; [br->crc16_align is 0 the vast majority of the time so we optimize the common case]
-.c0b0: xor dl, ah ; dl <- (crc>>8)^(word>>24)
- movzx ebx, dl
- mov ecx, [ebx*4 + edi] ; cx <- FLAC__crc16_table[(crc>>8)^(word>>24)]
- shl eax, 8 ; ax <- (crc<<8)
- xor eax, ecx ; crc <- ax <- (crc<<8) ^ FLAC__crc16_table[(crc>>8)^(word>>24)]
-.c0b1: xor dh, ah ; dh <- (crc>>8)^((word>>16)&0xff))
- movzx ebx, dh
- mov ecx, [ebx*4 + edi] ; cx <- FLAC__crc16_table[(crc>>8)^((word>>16)&0xff))]
- shl eax, 8 ; ax <- (crc<<8)
- xor eax, ecx ; crc <- ax <- (crc<<8) ^ FLAC__crc16_table[(crc>>8)^((word>>16)&0xff))]
- shr edx, 16
-.c0b2: xor dl, ah ; dl <- (crc>>8)^((word>>8)&0xff))
- movzx ebx, dl
- mov ecx, [ebx*4 + edi] ; cx <- FLAC__crc16_table[(crc>>8)^((word>>8)&0xff))]
- shl eax, 8 ; ax <- (crc<<8)
- xor eax, ecx ; crc <- ax <- (crc<<8) ^ FLAC__crc16_table[(crc>>8)^((word>>8)&0xff))]
-.c0b3: xor dh, ah ; dh <- (crc>>8)^(word&0xff)
- movzx ebx, dh
- mov ecx, [ebx*4 + edi] ; cx <- FLAC__crc16_table[(crc>>8)^(word&0xff)]
- shl eax, 8 ; ax <- (crc<<8)
- xor eax, ecx ; crc <- ax <- (crc<<8) ^ FLAC__crc16_table[(crc>>8)^(word&0xff)]
- movzx eax, ax
- mov [ebp + 24], eax ; br->read_crc <- crc
- pop edi
-
- add esi, byte 1 ; cwords++;
- xor ecx, ecx ; cbits = 0;
- ; }
- jmp near .break1 ; goto break1;
- ;; this section relocated out of the way for performance
-.c0b4:
- mov [ebp + 28], dword 0 ; br->crc16_align <- 0
- cmp ecx, 8
- je .c0b1
- shr edx, 16
- cmp ecx, 16
- je .c0b2
- jmp .c0b3
-
- ;; this section relocated out of the way for performance
-.c1b4:
- mov [ebp + 28], dword 0 ; br->crc16_align <- 0
- cmp ecx, 8
- je .c1b1
- shr edx, 16
- cmp ecx, 16
- je .c1b2
- jmp .c1b3
-
-.c1_next2: ; } else {
- ;; ecx cbits
- ;; edx current brword 'b'
- ;; esi cwords
- ;; edi uval
- ;; ebp br
- add edi, 32
- sub edi, ecx ; uval += FLAC__BITS_PER_WORD - cbits;
- ; crc16_update_word_(br, br->buffer[cwords]);
- push edi ; [need more registers]
- bswap edx ; edx = br->buffer[cwords] swapped; now we can CRC the bytes from LSByte to MSByte which makes things much easier
- mov ecx, [ebp + 28] ; ecx <- br->crc16_align
- mov eax, [ebp + 24] ; ax <- br->read_crc (a.k.a. crc)
-%ifdef FLAC__PUBLIC_NEEDS_UNDERSCORE
- mov edi, _FLAC__crc16_table
-%else
- mov edi, FLAC__crc16_table
-%endif
- ;; eax (ax) crc a.k.a. br->read_crc
- ;; ebx (bl) intermediate result index into FLAC__crc16_table[]
- ;; ecx br->crc16_align
- ;; edx byteswapped brword to CRC
- ;; esi cwords
- ;; edi unsigned FLAC__crc16_table[]
- ;; ebp br
- test ecx, ecx ; switch(br->crc16_align) ...
- jnz .c1b4 ; [br->crc16_align is 0 the vast majority of the time so we optimize the common case]
-.c1b0: xor dl, ah ; dl <- (crc>>8)^(word>>24)
- movzx ebx, dl
- mov ecx, [ebx*4 + edi] ; cx <- FLAC__crc16_table[(crc>>8)^(word>>24)]
- shl eax, 8 ; ax <- (crc<<8)
- xor eax, ecx ; crc <- ax <- (crc<<8) ^ FLAC__crc16_table[(crc>>8)^(word>>24)]
-.c1b1: xor dh, ah ; dh <- (crc>>8)^((word>>16)&0xff))
- movzx ebx, dh
- mov ecx, [ebx*4 + edi] ; cx <- FLAC__crc16_table[(crc>>8)^((word>>16)&0xff))]
- shl eax, 8 ; ax <- (crc<<8)
- xor eax, ecx ; crc <- ax <- (crc<<8) ^ FLAC__crc16_table[(crc>>8)^((word>>16)&0xff))]
- shr edx, 16
-.c1b2: xor dl, ah ; dl <- (crc>>8)^((word>>8)&0xff))
- movzx ebx, dl
- mov ecx, [ebx*4 + edi] ; cx <- FLAC__crc16_table[(crc>>8)^((word>>8)&0xff))]
- shl eax, 8 ; ax <- (crc<<8)
- xor eax, ecx ; crc <- ax <- (crc<<8) ^ FLAC__crc16_table[(crc>>8)^((word>>8)&0xff))]
-.c1b3: xor dh, ah ; dh <- (crc>>8)^(word&0xff)
- movzx ebx, dh
- mov ecx, [ebx*4 + edi] ; cx <- FLAC__crc16_table[(crc>>8)^(word&0xff)]
- shl eax, 8 ; ax <- (crc<<8)
- xor eax, ecx ; crc <- ax <- (crc<<8) ^ FLAC__crc16_table[(crc>>8)^(word&0xff)]
- movzx eax, ax
- mov [ebp + 24], eax ; br->read_crc <- crc
- pop edi
-
- add esi, byte 1 ; cwords++;
- xor ecx, ecx ; cbits = 0;
- ; /* didn't find stop bit yet, have to keep going... */
- ; }
-
- cmp esi, [ebp + 8] ; } while(cwords < br->words) /* if we've not consumed up to a partial tail word... */
- jb near .c1_loop
-
-.c1_next1:
- ; at this point we've eaten up all the whole words; have to try
- ; reading through any tail bytes before calling the read callback.
- ; this is a repeat of the above logic adjusted for the fact we
- ; don't have a whole word. note though if the client is feeding
- ; us data a byte at a time (unlikely), br->consumed_bits may not
- ; be zero.
- ;; ecx cbits
- ;; esi cwords
- ;; edi uval
- ;; ebp br
- mov edx, [ebp + 12] ; edx <- br->bytes
- test edx, edx
- jz .read1 ; if(br->bytes) { [NOTE: this case is rare so it doesn't have to be all that fast ]
- mov ebx, [ebp]
- shl edx, 3 ; edx <- const unsigned end = br->bytes * 8;
- mov eax, [ebx + 4*esi] ; b = br->buffer[cwords]
- xchg edx, ecx ; [edx <- cbits , ecx <- end]
- mov ebx, 0xffffffff ; ebx <- FLAC__WORD_ALL_ONES
- shr ebx, cl ; ebx <- FLAC__WORD_ALL_ONES >> end
- not ebx ; ebx <- ~(FLAC__WORD_ALL_ONES >> end)
- xchg edx, ecx ; [edx <- end , ecx <- cbits]
- and eax, ebx ; b = (br->buffer[cwords] & ~(FLAC__WORD_ALL_ONES >> end));
- shl eax, cl ; b = (br->buffer[cwords] & ~(FLAC__WORD_ALL_ONES >> end)) << cbits;
- test eax, eax ; (still have to test since cbits may be 0, thus ZF not updated for shl eax,0)
- jz .c1_next3 ; if(b) {
- bsr ebx, eax
- not ebx
- and ebx, 31 ; ebx = 'i' = # of leading 0 bits in 'b' (eax)
- add ecx, ebx ; cbits += i;
- add edi, ebx ; uval += i;
- add ecx, byte 1 ; cbits++; /* skip over stop bit */
- jmp short .break1 ; goto break1;
-.c1_next3: ; } else {
- sub edi, ecx
- add edi, edx ; uval += end - cbits;
- add ecx, edx ; cbits += end
- ; /* didn't find stop bit yet, have to keep going... */
- ; }
- ; }
-.read1:
- ; flush registers and read; bitreader_read_from_client_() does
- ; not touch br->consumed_bits at all but we still need to set
- ; it in case it fails and we have to return false.
- ;; ecx cbits
- ;; esi cwords
- ;; edi uval
- ;; ebp br
- mov [ebp + 16], esi ; br->consumed_words = cwords;
- mov [ebp + 20], ecx ; br->consumed_bits = cbits;
- push ecx ; /* save */
- push ebp ; /* push br argument */
-%ifdef FLAC__PUBLIC_NEEDS_UNDERSCORE
- call _bitreader_read_from_client_
-%else
- call bitreader_read_from_client_
-%endif
- pop edx ; /* discard, unused */
- pop ecx ; /* restore */
- mov esi, [ebp + 16] ; cwords = br->consumed_words;
- ; ucbits = (br->words-cwords)*FLAC__BITS_PER_WORD + br->bytes*8 - cbits;
- mov ebx, [ebp + 8] ; ebx <- br->words
- sub ebx, esi ; ebx <- br->words-cwords
- shl ebx, 2 ; ebx <- (br->words-cwords)*FLAC__BYTES_PER_WORD
- add ebx, [ebp + 12] ; ebx <- (br->words-cwords)*FLAC__BYTES_PER_WORD + br->bytes
- shl ebx, 3 ; ebx <- (br->words-cwords)*FLAC__BITS_PER_WORD + br->bytes*8
- sub ebx, ecx ; ebx <- (br->words-cwords)*FLAC__BITS_PER_WORD + br->bytes*8 - cbits
- add ebx, edi ; ebx <- (br->words-cwords)*FLAC__BITS_PER_WORD + br->bytes*8 - cbits + uval
- ; + uval to offset our count by the # of unary bits already
- ; consumed before the read, because we will add these back
- ; in all at once at break1
- mov [esp], ebx ; ucbits <- ebx
- test eax, eax ; if(!bitreader_read_from_client_(br))
- jnz near .unary_loop
- jmp .end ; return false; /* eax (the return value) is already 0 */
- ; } /* end while(1) unary part */
-
- ALIGN 16
-.break1:
- ;; ecx cbits
- ;; esi cwords
- ;; edi uval
- ;; ebp br
- ;; [esp] ucbits
- sub [esp], edi ; ucbits -= uval;
- sub dword [esp], byte 1 ; ucbits--; /* account for stop bit */
-
- ;
- ; read binary part
- ;
- mov ebx, [esp + 36] ; ebx <- parameter
- test ebx, ebx ; if(parameter) {
- jz near .break2
-.read2:
- cmp [esp], ebx ; while(ucbits < parameter) {
- jae .c2_next1
- ; flush registers and read; bitreader_read_from_client_() does
- ; not touch br->consumed_bits at all but we still need to set
- ; it in case it fails and we have to return false.
- mov [ebp + 16], esi ; br->consumed_words = cwords;
- mov [ebp + 20], ecx ; br->consumed_bits = cbits;
- push ecx ; /* save */
- push ebp ; /* push br argument */
-%ifdef FLAC__PUBLIC_NEEDS_UNDERSCORE
- call _bitreader_read_from_client_
-%else
- call bitreader_read_from_client_
-%endif
- pop edx ; /* discard, unused */
- pop ecx ; /* restore */
- mov esi, [ebp + 16] ; cwords = br->consumed_words;
- ; ucbits = (br->words-cwords)*FLAC__BITS_PER_WORD + br->bytes*8 - cbits;
- mov edx, [ebp + 8] ; edx <- br->words
- sub edx, esi ; edx <- br->words-cwords
- shl edx, 2 ; edx <- (br->words-cwords)*FLAC__BYTES_PER_WORD
- add edx, [ebp + 12] ; edx <- (br->words-cwords)*FLAC__BYTES_PER_WORD + br->bytes
- shl edx, 3 ; edx <- (br->words-cwords)*FLAC__BITS_PER_WORD + br->bytes*8
- sub edx, ecx ; edx <- (br->words-cwords)*FLAC__BITS_PER_WORD + br->bytes*8 - cbits
- mov [esp], edx ; ucbits <- edx
- test eax, eax ; if(!bitreader_read_from_client_(br))
- jnz .read2
- jmp .end ; return false; /* eax (the return value) is already 0 */
- ; }
-.c2_next1:
- ;; ebx parameter
- ;; ecx cbits
- ;; esi cwords
- ;; edi uval
- ;; ebp br
- ;; [esp] ucbits
- cmp esi, [ebp + 8] ; if(cwords < br->words) { /* if we've not consumed up to a partial tail word... */
- jae near .c2_next2
- test ecx, ecx ; if(cbits) {
- jz near .c2_next3 ; /* this also works when consumed_bits==0, it's just a little slower than necessary for that case */
- mov eax, 32
- mov edx, [ebp]
- sub eax, ecx ; const unsigned n = FLAC__BITS_PER_WORD - cbits;
- mov edx, [edx + 4*esi] ; const brword word = br->buffer[cwords];
- cmp ebx, eax ; if(parameter < n) {
- jae .c2_next4
- ; uval <<= parameter;
- ; uval |= (word & (FLAC__WORD_ALL_ONES >> cbits)) >> (n-parameter);
- shl edx, cl
- xchg ebx, ecx
- shld edi, edx, cl
- add ebx, ecx ; cbits += parameter;
- xchg ebx, ecx ; ebx <- parameter, ecx <- cbits
- jmp .break2 ; goto break2;
- ; }
-.c2_next4:
- ; uval <<= n;
- ; uval |= word & (FLAC__WORD_ALL_ONES >> cbits);
-%if 1
- rol edx, cl ; @@@@@@OPT: may be faster to use rol to save edx so we can restore it for CRC'ing
- ; @@@@@@OPT: or put parameter in ch instead and free up ebx completely again
-%else
- shl edx, cl
-%endif
- xchg eax, ecx
- shld edi, edx, cl
- xchg eax, ecx
-%if 1
- ror edx, cl ; restored.
-%else
- mov edx, [ebp]
- mov edx, [edx + 4*esi]
-%endif
- ; crc16_update_word_(br, br->buffer[cwords]);
- push edi ; [need more registers]
- push ebx ; [need more registers]
- push eax ; [need more registers]
- bswap edx ; edx = br->buffer[cwords] swapped; now we can CRC the bytes from LSByte to MSByte which makes things much easier
- mov ecx, [ebp + 28] ; ecx <- br->crc16_align
- mov eax, [ebp + 24] ; ax <- br->read_crc (a.k.a. crc)
-%ifdef FLAC__PUBLIC_NEEDS_UNDERSCORE
- mov edi, _FLAC__crc16_table
-%else
- mov edi, FLAC__crc16_table
-%endif
- ;; eax (ax) crc a.k.a. br->read_crc
- ;; ebx (bl) intermediate result index into FLAC__crc16_table[]
- ;; ecx br->crc16_align
- ;; edx byteswapped brword to CRC
- ;; esi cwords
- ;; edi unsigned FLAC__crc16_table[]
- ;; ebp br
- test ecx, ecx ; switch(br->crc16_align) ...
- jnz .c2b4 ; [br->crc16_align is 0 the vast majority of the time so we optimize the common case]
-.c2b0: xor dl, ah ; dl <- (crc>>8)^(word>>24)
- movzx ebx, dl
- mov ecx, [ebx*4 + edi] ; cx <- FLAC__crc16_table[(crc>>8)^(word>>24)]
- shl eax, 8 ; ax <- (crc<<8)
- xor eax, ecx ; crc <- ax <- (crc<<8) ^ FLAC__crc16_table[(crc>>8)^(word>>24)]
-.c2b1: xor dh, ah ; dh <- (crc>>8)^((word>>16)&0xff))
- movzx ebx, dh
- mov ecx, [ebx*4 + edi] ; cx <- FLAC__crc16_table[(crc>>8)^((word>>16)&0xff))]
- shl eax, 8 ; ax <- (crc<<8)
- xor eax, ecx ; crc <- ax <- (crc<<8) ^ FLAC__crc16_table[(crc>>8)^((word>>16)&0xff))]
- shr edx, 16
-.c2b2: xor dl, ah ; dl <- (crc>>8)^((word>>8)&0xff))
- movzx ebx, dl
- mov ecx, [ebx*4 + edi] ; cx <- FLAC__crc16_table[(crc>>8)^((word>>8)&0xff))]
- shl eax, 8 ; ax <- (crc<<8)
- xor eax, ecx ; crc <- ax <- (crc<<8) ^ FLAC__crc16_table[(crc>>8)^((word>>8)&0xff))]
-.c2b3: xor dh, ah ; dh <- (crc>>8)^(word&0xff)
- movzx ebx, dh
- mov ecx, [ebx*4 + edi] ; cx <- FLAC__crc16_table[(crc>>8)^(word&0xff)]
- shl eax, 8 ; ax <- (crc<<8)
- xor eax, ecx ; crc <- ax <- (crc<<8) ^ FLAC__crc16_table[(crc>>8)^(word&0xff)]
- movzx eax, ax
- mov [ebp + 24], eax ; br->read_crc <- crc
- pop eax
- pop ebx
- pop edi
- add esi, byte 1 ; cwords++;
- mov ecx, ebx
- sub ecx, eax ; cbits = parameter - n;
- jz .break2 ; if(cbits) { /* parameter > n, i.e. if there are still bits left to read, there have to be less than 32 so they will all be in the next word */
- ; uval <<= cbits;
- ; uval |= (br->buffer[cwords] >> (FLAC__BITS_PER_WORD-cbits));
- mov eax, [ebp]
- mov eax, [eax + 4*esi]
- shld edi, eax, cl
- ; }
- jmp .break2 ; goto break2;
-
- ;; this section relocated out of the way for performance
-.c2b4:
- mov [ebp + 28], dword 0 ; br->crc16_align <- 0
- cmp ecx, 8
- je .c2b1
- shr edx, 16
- cmp ecx, 16
- je .c2b2
- jmp .c2b3
-
-.c2_next3: ; } else {
- mov ecx, ebx ; cbits = parameter;
- ; uval <<= cbits;
- ; uval |= (br->buffer[cwords] >> (FLAC__BITS_PER_WORD-cbits));
- mov eax, [ebp]
- mov eax, [eax + 4*esi]
- shld edi, eax, cl
- jmp .break2 ; goto break2;
- ; }
-.c2_next2: ; } else {
- ; in this case we're starting our read at a partial tail word;
- ; the reader has guaranteed that we have at least 'parameter'
- ; bits available to read, which makes this case simpler.
- ; uval <<= parameter;
- ; if(cbits) {
- ; /* this also works when consumed_bits==0, it's just a little slower than necessary for that case */
- ; uval |= (br->buffer[cwords] & (FLAC__WORD_ALL_ONES >> cbits)) >> (FLAC__BITS_PER_WORD-cbits-parameter);
- ; cbits += parameter;
- ; goto break2;
- ; } else {
- ; cbits = parameter;
- ; uval |= br->buffer[cwords] >> (FLAC__BITS_PER_WORD-cbits);
- ; goto break2;
- ; }
- ; the above is much shorter in assembly:
- mov eax, [ebp]
- mov eax, [eax + 4*esi] ; eax <- br->buffer[cwords]
- shl eax, cl ; eax <- br->buffer[cwords] << cbits
- add ecx, ebx ; cbits += parameter
- xchg ebx, ecx ; ebx <- cbits, ecx <- parameter
- shld edi, eax, cl ; uval <<= parameter <<< 'parameter' bits of tail word
- xchg ebx, ecx ; ebx <- parameter, ecx <- cbits
- ; }
- ; }
-.break2:
- sub [esp], ebx ; ucbits -= parameter;
-
- ;
- ; compose the value
- ;
- mov ebx, [esp + 28] ; ebx <- vals
- mov edx, edi ; edx <- uval
- and edi, 1 ; edi <- uval & 1
- shr edx, 1 ; edx <- uval >> 1
- neg edi ; edi <- -(int)(uval & 1)
- xor edx, edi ; edx <- (uval >> 1 ^ -(int)(uval & 1))
- mov [ebx], edx ; *vals <- edx
- sub dword [esp + 32], byte 1 ; --nvals;
- jz .finished ; if(nvals == 0) /* jump to finish */
- xor edi, edi ; uval = 0;
- add dword [esp + 28], 4 ; ++vals
- jmp .val_loop ; }
-
-.finished:
- mov [ebp + 16], esi ; br->consumed_words = cwords;
- mov [ebp + 20], ecx ; br->consumed_bits = cbits;
- mov eax, 1
-.end:
- add esp, 4
- pop edi
- pop esi
- pop ebx
- pop ebp
- ret
-
-end
-
-%ifdef OBJ_FORMAT_elf
- section .note.GNU-stack noalloc
-%endif
diff --git a/libFLAC/ia32/cpu_asm.nasm b/libFLAC/ia32/cpu_asm.nasm
deleted file mode 100644
index f5eb110..0000000
--- a/libFLAC/ia32/cpu_asm.nasm
+++ /dev/null
@@ -1,121 +0,0 @@
-; vim:filetype=nasm ts=8
-
-; libFLAC - Free Lossless Audio Codec library
-; Copyright (C) 2001,2002,2003,2004,2005,2006,2007 Josh Coalson
-;
-; Redistribution and use in source and binary forms, with or without
-; modification, are permitted provided that the following conditions
-; are met:
-;
-; - Redistributions of source code must retain the above copyright
-; notice, this list of conditions and the following disclaimer.
-;
-; - Redistributions in binary form must reproduce the above copyright
-; notice, this list of conditions and the following disclaimer in the
-; documentation and/or other materials provided with the distribution.
-;
-; - Neither the name of the Xiph.org Foundation nor the names of its
-; contributors may be used to endorse or promote products derived from
-; this software without specific prior written permission.
-;
-; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-; ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
-; CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-%include "nasm.h"
-
- data_section
-
-cglobal FLAC__cpu_have_cpuid_asm_ia32
-cglobal FLAC__cpu_info_asm_ia32
-cglobal FLAC__cpu_info_extended_amd_asm_ia32
-
- code_section
-
-; **********************************************************************
-;
-; FLAC__uint32 FLAC__cpu_have_cpuid_asm_ia32()
-;
-
-cident FLAC__cpu_have_cpuid_asm_ia32
- push ebx
- pushfd
- pop eax
- mov edx, eax
- xor eax, 0x00200000
- push eax
- popfd
- pushfd
- pop eax
- cmp eax, edx
- jz .no_cpuid
- mov eax, 1
- jmp .end
-.no_cpuid:
- xor eax, eax
-.end:
- pop ebx
- ret
-
-; **********************************************************************
-;
-; void FLAC__cpu_info_asm_ia32(FLAC__uint32 *flags_edx, FLAC__uint32 *flags_ecx)
-;
-
-cident FLAC__cpu_info_asm_ia32
- ;[esp + 8] == flags_edx
- ;[esp + 12] == flags_ecx
-
- push ebx
- call FLAC__cpu_have_cpuid_asm_ia32
- test eax, eax
- jz .no_cpuid
- mov eax, 1
- cpuid
- mov ebx, [esp + 8]
- mov [ebx], edx
- mov ebx, [esp + 12]
- mov [ebx], ecx
- jmp .end
-.no_cpuid
- xor eax, eax
- mov ebx, [esp + 8]
- mov [ebx], eax
- mov ebx, [esp + 12]
- mov [ebx], eax
-.end
- pop ebx
- ret
-
-cident FLAC__cpu_info_extended_amd_asm_ia32
- push ebx
- call FLAC__cpu_have_cpuid_asm_ia32
- test eax, eax
- jz .no_cpuid
- mov eax, 0x80000000
- cpuid
- cmp eax, 0x80000001
- jb .no_cpuid
- mov eax, 0x80000001
- cpuid
- mov eax, edx
- jmp .end
-.no_cpuid
- xor eax, eax
-.end
- pop ebx
- ret
-
-end
-
-%ifdef OBJ_FORMAT_elf
- section .note.GNU-stack noalloc
-%endif
diff --git a/libFLAC/ia32/fixed_asm.nasm b/libFLAC/ia32/fixed_asm.nasm
deleted file mode 100644
index 0185f4d..0000000
--- a/libFLAC/ia32/fixed_asm.nasm
+++ /dev/null
@@ -1,312 +0,0 @@
-; vim:filetype=nasm ts=8
-
-; libFLAC - Free Lossless Audio Codec library
-; Copyright (C) 2001,2002,2003,2004,2005,2006,2007 Josh Coalson
-;
-; Redistribution and use in source and binary forms, with or without
-; modification, are permitted provided that the following conditions
-; are met:
-;
-; - Redistributions of source code must retain the above copyright
-; notice, this list of conditions and the following disclaimer.
-;
-; - Redistributions in binary form must reproduce the above copyright
-; notice, this list of conditions and the following disclaimer in the
-; documentation and/or other materials provided with the distribution.
-;
-; - Neither the name of the Xiph.org Foundation nor the names of its
-; contributors may be used to endorse or promote products derived from
-; this software without specific prior written permission.
-;
-; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-; ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
-; CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-%include "nasm.h"
-
- data_section
-
-cglobal FLAC__fixed_compute_best_predictor_asm_ia32_mmx_cmov
-
- code_section
-
-; **********************************************************************
-;
-; unsigned FLAC__fixed_compute_best_predictor(const FLAC__int32 *data, unsigned data_len, FLAC__float residual_bits_per_sample[FLAC__MAX_FIXED_ORDER+1])
-; {
-; FLAC__int32 last_error_0 = data[-1];
-; FLAC__int32 last_error_1 = data[-1] - data[-2];
-; FLAC__int32 last_error_2 = last_error_1 - (data[-2] - data[-3]);
-; FLAC__int32 last_error_3 = last_error_2 - (data[-2] - 2*data[-3] + data[-4]);
-; FLAC__int32 error, save;
-; FLAC__uint32 total_error_0 = 0, total_error_1 = 0, total_error_2 = 0, total_error_3 = 0, total_error_4 = 0;
-; unsigned i, order;
-;
-; for(i = 0; i < data_len; i++) {
-; error = data[i] ; total_error_0 += local_abs(error); save = error;
-; error -= last_error_0; total_error_1 += local_abs(error); last_error_0 = save; save = error;
-; error -= last_error_1; total_error_2 += local_abs(error); last_error_1 = save; save = error;
-; error -= last_error_2; total_error_3 += local_abs(error); last_error_2 = save; save = error;
-; error -= last_error_3; total_error_4 += local_abs(error); last_error_3 = save;
-; }
-;
-; if(total_error_0 < min(min(min(total_error_1, total_error_2), total_error_3), total_error_4))
-; order = 0;
-; else if(total_error_1 < min(min(total_error_2, total_error_3), total_error_4))
-; order = 1;
-; else if(total_error_2 < min(total_error_3, total_error_4))
-; order = 2;
-; else if(total_error_3 < total_error_4)
-; order = 3;
-; else
-; order = 4;
-;
-; residual_bits_per_sample[0] = (FLAC__float)((data_len > 0 && total_error_0 > 0) ? log(M_LN2 * (FLAC__double)total_error_0 / (FLAC__double)data_len) / M_LN2 : 0.0);
-; residual_bits_per_sample[1] = (FLAC__float)((data_len > 0 && total_error_1 > 0) ? log(M_LN2 * (FLAC__double)total_error_1 / (FLAC__double)data_len) / M_LN2 : 0.0);
-; residual_bits_per_sample[2] = (FLAC__float)((data_len > 0 && total_error_2 > 0) ? log(M_LN2 * (FLAC__double)total_error_2 / (FLAC__double)data_len) / M_LN2 : 0.0);
-; residual_bits_per_sample[3] = (FLAC__float)((data_len > 0 && total_error_3 > 0) ? log(M_LN2 * (FLAC__double)total_error_3 / (FLAC__double)data_len) / M_LN2 : 0.0);
-; residual_bits_per_sample[4] = (FLAC__float)((data_len > 0 && total_error_4 > 0) ? log(M_LN2 * (FLAC__double)total_error_4 / (FLAC__double)data_len) / M_LN2 : 0.0);
-;
-; return order;
-; }
- ALIGN 16
-cident FLAC__fixed_compute_best_predictor_asm_ia32_mmx_cmov
-
- ; esp + 36 == data[]
- ; esp + 40 == data_len
- ; esp + 44 == residual_bits_per_sample[]
-
- push ebp
- push ebx
- push esi
- push edi
- sub esp, byte 16
- ; qword [esp] == temp space for loading FLAC__uint64s to FPU regs
-
- ; ebx == &data[i]
- ; ecx == loop counter (i)
- ; ebp == order
- ; mm0 == total_error_1:total_error_0
- ; mm1 == total_error_2:total_error_3
- ; mm2 == :total_error_4
- ; mm3 == last_error_1:last_error_0
- ; mm4 == last_error_2:last_error_3
-
- mov ecx, [esp + 40] ; ecx = data_len
- test ecx, ecx
- jz near .data_len_is_0
-
- mov ebx, [esp + 36] ; ebx = data[]
- movd mm3, [ebx - 4] ; mm3 = 0:last_error_0
- movd mm2, [ebx - 8] ; mm2 = 0:data[-2]
- movd mm1, [ebx - 12] ; mm1 = 0:data[-3]
- movd mm0, [ebx - 16] ; mm0 = 0:data[-4]
- movq mm5, mm3 ; mm5 = 0:last_error_0
- psubd mm5, mm2 ; mm5 = 0:last_error_1
- punpckldq mm3, mm5 ; mm3 = last_error_1:last_error_0
- psubd mm2, mm1 ; mm2 = 0:data[-2] - data[-3]
- psubd mm5, mm2 ; mm5 = 0:last_error_2
- movq mm4, mm5 ; mm4 = 0:last_error_2
- psubd mm4, mm2 ; mm4 = 0:last_error_2 - (data[-2] - data[-3])
- paddd mm4, mm1 ; mm4 = 0:last_error_2 - (data[-2] - 2 * data[-3])
- psubd mm4, mm0 ; mm4 = 0:last_error_3
- punpckldq mm4, mm5 ; mm4 = last_error_2:last_error_3
- pxor mm0, mm0 ; mm0 = total_error_1:total_error_0
- pxor mm1, mm1 ; mm1 = total_error_2:total_error_3
- pxor mm2, mm2 ; mm2 = 0:total_error_4
-
- ALIGN 16
-.loop:
- movd mm7, [ebx] ; mm7 = 0:error_0
- add ebx, byte 4
- movq mm6, mm7 ; mm6 = 0:error_0
- psubd mm7, mm3 ; mm7 = :error_1
- punpckldq mm6, mm7 ; mm6 = error_1:error_0
- movq mm5, mm6 ; mm5 = error_1:error_0
- movq mm7, mm6 ; mm7 = error_1:error_0
- psubd mm5, mm3 ; mm5 = error_2:
- movq mm3, mm6 ; mm3 = error_1:error_0
- psrad mm6, 31
- pxor mm7, mm6
- psubd mm7, mm6 ; mm7 = abs(error_1):abs(error_0)
- paddd mm0, mm7 ; mm0 = total_error_1:total_error_0
- movq mm6, mm5 ; mm6 = error_2:
- psubd mm5, mm4 ; mm5 = error_3:
- punpckhdq mm5, mm6 ; mm5 = error_2:error_3
- movq mm7, mm5 ; mm7 = error_2:error_3
- movq mm6, mm5 ; mm6 = error_2:error_3
- psubd mm5, mm4 ; mm5 = :error_4
- movq mm4, mm6 ; mm4 = error_2:error_3
- psrad mm6, 31
- pxor mm7, mm6
- psubd mm7, mm6 ; mm7 = abs(error_2):abs(error_3)
- paddd mm1, mm7 ; mm1 = total_error_2:total_error_3
- movq mm6, mm5 ; mm6 = :error_4
- psrad mm5, 31
- pxor mm6, mm5
- psubd mm6, mm5 ; mm6 = :abs(error_4)
- paddd mm2, mm6 ; mm2 = :total_error_4
-
- dec ecx
- jnz short .loop
-
-; if(total_error_0 < min(min(min(total_error_1, total_error_2), total_error_3), total_error_4))
-; order = 0;
-; else if(total_error_1 < min(min(total_error_2, total_error_3), total_error_4))
-; order = 1;
-; else if(total_error_2 < min(total_error_3, total_error_4))
-; order = 2;
-; else if(total_error_3 < total_error_4)
-; order = 3;
-; else
-; order = 4;
- movq mm3, mm0 ; mm3 = total_error_1:total_error_0
- movd edi, mm2 ; edi = total_error_4
- movd esi, mm1 ; esi = total_error_3
- movd eax, mm0 ; eax = total_error_0
- punpckhdq mm1, mm1 ; mm1 = total_error_2:total_error_2
- punpckhdq mm3, mm3 ; mm3 = total_error_1:total_error_1
- movd edx, mm1 ; edx = total_error_2
- movd ecx, mm3 ; ecx = total_error_1
-
- xor ebx, ebx
- xor ebp, ebp
- inc ebx
- cmp ecx, eax
- cmovb eax, ecx ; eax = min(total_error_0, total_error_1)
- cmovbe ebp, ebx
- inc ebx
- cmp edx, eax
- cmovb eax, edx ; eax = min(total_error_0, total_error_1, total_error_2)
- cmovbe ebp, ebx
- inc ebx
- cmp esi, eax
- cmovb eax, esi ; eax = min(total_error_0, total_error_1, total_error_2, total_error_3)
- cmovbe ebp, ebx
- inc ebx
- cmp edi, eax
- cmovb eax, edi ; eax = min(total_error_0, total_error_1, total_error_2, total_error_3, total_error_4)
- cmovbe ebp, ebx
- movd ebx, mm0 ; ebx = total_error_0
- emms
-
- ; residual_bits_per_sample[0] = (FLAC__float)((data_len > 0 && total_error_0 > 0) ? log(M_LN2 * (FLAC__double)total_error_0 / (FLAC__double)data_len) / M_LN2 : 0.0);
- ; residual_bits_per_sample[1] = (FLAC__float)((data_len > 0 && total_error_1 > 0) ? log(M_LN2 * (FLAC__double)total_error_1 / (FLAC__double)data_len) / M_LN2 : 0.0);
- ; residual_bits_per_sample[2] = (FLAC__float)((data_len > 0 && total_error_2 > 0) ? log(M_LN2 * (FLAC__double)total_error_2 / (FLAC__double)data_len) / M_LN2 : 0.0);
- ; residual_bits_per_sample[3] = (FLAC__float)((data_len > 0 && total_error_3 > 0) ? log(M_LN2 * (FLAC__double)total_error_3 / (FLAC__double)data_len) / M_LN2 : 0.0);
- ; residual_bits_per_sample[4] = (FLAC__float)((data_len > 0 && total_error_4 > 0) ? log(M_LN2 * (FLAC__double)total_error_4 / (FLAC__double)data_len) / M_LN2 : 0.0);
- xor eax, eax
- fild dword [esp + 40] ; ST = data_len (NOTE: assumes data_len is <2gigs)
-.rbps_0:
- test ebx, ebx
- jz .total_error_0_is_0
- fld1 ; ST = 1.0 data_len
- mov [esp], ebx
- mov [esp + 4], eax ; [esp] = (FLAC__uint64)total_error_0
- mov ebx, [esp + 44]
- fild qword [esp] ; ST = total_error_0 1.0 data_len
- fdiv st2 ; ST = total_error_0/data_len 1.0 data_len
- fldln2 ; ST = ln2 total_error_0/data_len 1.0 data_len
- fmulp st1 ; ST = ln2*total_error_0/data_len 1.0 data_len
- fyl2x ; ST = log2(ln2*total_error_0/data_len) data_len
- fstp dword [ebx] ; residual_bits_per_sample[0] = log2(ln2*total_error_0/data_len) ST = data_len
- jmp short .rbps_1
-.total_error_0_is_0:
- mov ebx, [esp + 44]
- mov [ebx], eax ; residual_bits_per_sample[0] = 0.0
-.rbps_1:
- test ecx, ecx
- jz .total_error_1_is_0
- fld1 ; ST = 1.0 data_len
- mov [esp], ecx
- mov [esp + 4], eax ; [esp] = (FLAC__uint64)total_error_1
- fild qword [esp] ; ST = total_error_1 1.0 data_len
- fdiv st2 ; ST = total_error_1/data_len 1.0 data_len
- fldln2 ; ST = ln2 total_error_1/data_len 1.0 data_len
- fmulp st1 ; ST = ln2*total_error_1/data_len 1.0 data_len
- fyl2x ; ST = log2(ln2*total_error_1/data_len) data_len
- fstp dword [ebx + 4] ; residual_bits_per_sample[1] = log2(ln2*total_error_1/data_len) ST = data_len
- jmp short .rbps_2
-.total_error_1_is_0:
- mov [ebx + 4], eax ; residual_bits_per_sample[1] = 0.0
-.rbps_2:
- test edx, edx
- jz .total_error_2_is_0
- fld1 ; ST = 1.0 data_len
- mov [esp], edx
- mov [esp + 4], eax ; [esp] = (FLAC__uint64)total_error_2
- fild qword [esp] ; ST = total_error_2 1.0 data_len
- fdiv st2 ; ST = total_error_2/data_len 1.0 data_len
- fldln2 ; ST = ln2 total_error_2/data_len 1.0 data_len
- fmulp st1 ; ST = ln2*total_error_2/data_len 1.0 data_len
- fyl2x ; ST = log2(ln2*total_error_2/data_len) data_len
- fstp dword [ebx + 8] ; residual_bits_per_sample[2] = log2(ln2*total_error_2/data_len) ST = data_len
- jmp short .rbps_3
-.total_error_2_is_0:
- mov [ebx + 8], eax ; residual_bits_per_sample[2] = 0.0
-.rbps_3:
- test esi, esi
- jz .total_error_3_is_0
- fld1 ; ST = 1.0 data_len
- mov [esp], esi
- mov [esp + 4], eax ; [esp] = (FLAC__uint64)total_error_3
- fild qword [esp] ; ST = total_error_3 1.0 data_len
- fdiv st2 ; ST = total_error_3/data_len 1.0 data_len
- fldln2 ; ST = ln2 total_error_3/data_len 1.0 data_len
- fmulp st1 ; ST = ln2*total_error_3/data_len 1.0 data_len
- fyl2x ; ST = log2(ln2*total_error_3/data_len) data_len
- fstp dword [ebx + 12] ; residual_bits_per_sample[3] = log2(ln2*total_error_3/data_len) ST = data_len
- jmp short .rbps_4
-.total_error_3_is_0:
- mov [ebx + 12], eax ; residual_bits_per_sample[3] = 0.0
-.rbps_4:
- test edi, edi
- jz .total_error_4_is_0
- fld1 ; ST = 1.0 data_len
- mov [esp], edi
- mov [esp + 4], eax ; [esp] = (FLAC__uint64)total_error_4
- fild qword [esp] ; ST = total_error_4 1.0 data_len
- fdiv st2 ; ST = total_error_4/data_len 1.0 data_len
- fldln2 ; ST = ln2 total_error_4/data_len 1.0 data_len
- fmulp st1 ; ST = ln2*total_error_4/data_len 1.0 data_len
- fyl2x ; ST = log2(ln2*total_error_4/data_len) data_len
- fstp dword [ebx + 16] ; residual_bits_per_sample[4] = log2(ln2*total_error_4/data_len) ST = data_len
- jmp short .rbps_end
-.total_error_4_is_0:
- mov [ebx + 16], eax ; residual_bits_per_sample[4] = 0.0
-.rbps_end:
- fstp st0 ; ST = [empty]
- jmp short .end
-.data_len_is_0:
- ; data_len == 0, so residual_bits_per_sample[*] = 0.0
- xor ebp, ebp
- mov edi, [esp + 44]
- mov [edi], ebp
- mov [edi + 4], ebp
- mov [edi + 8], ebp
- mov [edi + 12], ebp
- mov [edi + 16], ebp
- add ebp, byte 4 ; order = 4
-
-.end:
- mov eax, ebp ; return order
- add esp, byte 16
- pop edi
- pop esi
- pop ebx
- pop ebp
- ret
-
-end
-
-%ifdef OBJ_FORMAT_elf
- section .note.GNU-stack noalloc
-%endif
diff --git a/libFLAC/ia32/lpc_asm.nasm b/libFLAC/ia32/lpc_asm.nasm
deleted file mode 100644
index 4bc4c91..0000000
--- a/libFLAC/ia32/lpc_asm.nasm
+++ /dev/null
@@ -1,1511 +0,0 @@
-; vim:filetype=nasm ts=8
-
-; libFLAC - Free Lossless Audio Codec library
-; Copyright (C) 2001,2002,2003,2004,2005,2006,2007 Josh Coalson
-;
-; Redistribution and use in source and binary forms, with or without
-; modification, are permitted provided that the following conditions
-; are met:
-;
-; - Redistributions of source code must retain the above copyright
-; notice, this list of conditions and the following disclaimer.
-;
-; - Redistributions in binary form must reproduce the above copyright
-; notice, this list of conditions and the following disclaimer in the
-; documentation and/or other materials provided with the distribution.
-;
-; - Neither the name of the Xiph.org Foundation nor the names of its
-; contributors may be used to endorse or promote products derived from
-; this software without specific prior written permission.
-;
-; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-; ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
-; CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-%include "nasm.h"
-
- data_section
-
-cglobal FLAC__lpc_compute_autocorrelation_asm_ia32
-cglobal FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_4
-cglobal FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_8
-cglobal FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_12
-cglobal FLAC__lpc_compute_autocorrelation_asm_ia32_3dnow
-cglobal FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32
-cglobal FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32_mmx
-cglobal FLAC__lpc_restore_signal_asm_ia32
-cglobal FLAC__lpc_restore_signal_asm_ia32_mmx
-
- code_section
-
-; **********************************************************************
-;
-; void FLAC__lpc_compute_autocorrelation_asm(const FLAC__real data[], unsigned data_len, unsigned lag, FLAC__real autoc[])
-; {
-; FLAC__real d;
-; unsigned sample, coeff;
-; const unsigned limit = data_len - lag;
-;
-; FLAC__ASSERT(lag > 0);
-; FLAC__ASSERT(lag <= data_len);
-;
-; for(coeff = 0; coeff < lag; coeff++)
-; autoc[coeff] = 0.0;
-; for(sample = 0; sample <= limit; sample++) {
-; d = data[sample];
-; for(coeff = 0; coeff < lag; coeff++)
-; autoc[coeff] += d * data[sample+coeff];
-; }
-; for(; sample < data_len; sample++) {
-; d = data[sample];
-; for(coeff = 0; coeff < data_len - sample; coeff++)
-; autoc[coeff] += d * data[sample+coeff];
-; }
-; }
-;
- ALIGN 16
-cident FLAC__lpc_compute_autocorrelation_asm_ia32
- ;[esp + 28] == autoc[]
- ;[esp + 24] == lag
- ;[esp + 20] == data_len
- ;[esp + 16] == data[]
-
- ;ASSERT(lag > 0)
- ;ASSERT(lag <= 33)
- ;ASSERT(lag <= data_len)
-
-.begin:
- push esi
- push edi
- push ebx
-
- ; for(coeff = 0; coeff < lag; coeff++)
- ; autoc[coeff] = 0.0;
- mov edi, [esp + 28] ; edi == autoc
- mov ecx, [esp + 24] ; ecx = # of dwords (=lag) of 0 to write
- xor eax, eax
- rep stosd
-
- ; const unsigned limit = data_len - lag;
- mov eax, [esp + 24] ; eax == lag
- mov ecx, [esp + 20]
- sub ecx, eax ; ecx == limit
-
- mov edi, [esp + 28] ; edi == autoc
- mov esi, [esp + 16] ; esi == data
- inc ecx ; we are looping <= limit so we add one to the counter
-
- ; for(sample = 0; sample <= limit; sample++) {
- ; d = data[sample];
- ; for(coeff = 0; coeff < lag; coeff++)
- ; autoc[coeff] += d * data[sample+coeff];
- ; }
- fld dword [esi] ; ST = d <- data[sample]
- ; each iteration is 11 bytes so we need (-eax)*11, so we do (-12*eax + eax)
- lea edx, [eax + eax*2]
- neg edx
- lea edx, [eax + edx*4 + .jumper1_0 - .get_eip1]
- call .get_eip1
-.get_eip1:
- pop ebx
- add edx, ebx
- inc edx ; compensate for the shorter opcode on the last iteration
- inc edx ; compensate for the shorter opcode on the last iteration
- inc edx ; compensate for the shorter opcode on the last iteration
- cmp eax, 33
- jne .loop1_start
- sub edx, byte 9 ; compensate for the longer opcodes on the first iteration
-.loop1_start:
- jmp edx
-
- fld st0 ; ST = d d
- fmul dword [esi + (32*4)] ; ST = d*data[sample+32] d WATCHOUT: not a byte displacement here!
- fadd dword [edi + (32*4)] ; ST = autoc[32]+d*data[sample+32] d WATCHOUT: not a byte displacement here!
- fstp dword [edi + (32*4)] ; autoc[32]+=d*data[sample+32] ST = d WATCHOUT: not a byte displacement here!
- fld st0 ; ST = d d
- fmul dword [esi + (31*4)] ; ST = d*data[sample+31] d
- fadd dword [edi + (31*4)] ; ST = autoc[31]+d*data[sample+31] d
- fstp dword [edi + (31*4)] ; autoc[31]+=d*data[sample+31] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (30*4)] ; ST = d*data[sample+30] d
- fadd dword [edi + (30*4)] ; ST = autoc[30]+d*data[sample+30] d
- fstp dword [edi + (30*4)] ; autoc[30]+=d*data[sample+30] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (29*4)] ; ST = d*data[sample+29] d
- fadd dword [edi + (29*4)] ; ST = autoc[29]+d*data[sample+29] d
- fstp dword [edi + (29*4)] ; autoc[29]+=d*data[sample+29] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (28*4)] ; ST = d*data[sample+28] d
- fadd dword [edi + (28*4)] ; ST = autoc[28]+d*data[sample+28] d
- fstp dword [edi + (28*4)] ; autoc[28]+=d*data[sample+28] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (27*4)] ; ST = d*data[sample+27] d
- fadd dword [edi + (27*4)] ; ST = autoc[27]+d*data[sample+27] d
- fstp dword [edi + (27*4)] ; autoc[27]+=d*data[sample+27] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (26*4)] ; ST = d*data[sample+26] d
- fadd dword [edi + (26*4)] ; ST = autoc[26]+d*data[sample+26] d
- fstp dword [edi + (26*4)] ; autoc[26]+=d*data[sample+26] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (25*4)] ; ST = d*data[sample+25] d
- fadd dword [edi + (25*4)] ; ST = autoc[25]+d*data[sample+25] d
- fstp dword [edi + (25*4)] ; autoc[25]+=d*data[sample+25] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (24*4)] ; ST = d*data[sample+24] d
- fadd dword [edi + (24*4)] ; ST = autoc[24]+d*data[sample+24] d
- fstp dword [edi + (24*4)] ; autoc[24]+=d*data[sample+24] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (23*4)] ; ST = d*data[sample+23] d
- fadd dword [edi + (23*4)] ; ST = autoc[23]+d*data[sample+23] d
- fstp dword [edi + (23*4)] ; autoc[23]+=d*data[sample+23] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (22*4)] ; ST = d*data[sample+22] d
- fadd dword [edi + (22*4)] ; ST = autoc[22]+d*data[sample+22] d
- fstp dword [edi + (22*4)] ; autoc[22]+=d*data[sample+22] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (21*4)] ; ST = d*data[sample+21] d
- fadd dword [edi + (21*4)] ; ST = autoc[21]+d*data[sample+21] d
- fstp dword [edi + (21*4)] ; autoc[21]+=d*data[sample+21] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (20*4)] ; ST = d*data[sample+20] d
- fadd dword [edi + (20*4)] ; ST = autoc[20]+d*data[sample+20] d
- fstp dword [edi + (20*4)] ; autoc[20]+=d*data[sample+20] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (19*4)] ; ST = d*data[sample+19] d
- fadd dword [edi + (19*4)] ; ST = autoc[19]+d*data[sample+19] d
- fstp dword [edi + (19*4)] ; autoc[19]+=d*data[sample+19] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (18*4)] ; ST = d*data[sample+18] d
- fadd dword [edi + (18*4)] ; ST = autoc[18]+d*data[sample+18] d
- fstp dword [edi + (18*4)] ; autoc[18]+=d*data[sample+18] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (17*4)] ; ST = d*data[sample+17] d
- fadd dword [edi + (17*4)] ; ST = autoc[17]+d*data[sample+17] d
- fstp dword [edi + (17*4)] ; autoc[17]+=d*data[sample+17] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (16*4)] ; ST = d*data[sample+16] d
- fadd dword [edi + (16*4)] ; ST = autoc[16]+d*data[sample+16] d
- fstp dword [edi + (16*4)] ; autoc[16]+=d*data[sample+16] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (15*4)] ; ST = d*data[sample+15] d
- fadd dword [edi + (15*4)] ; ST = autoc[15]+d*data[sample+15] d
- fstp dword [edi + (15*4)] ; autoc[15]+=d*data[sample+15] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (14*4)] ; ST = d*data[sample+14] d
- fadd dword [edi + (14*4)] ; ST = autoc[14]+d*data[sample+14] d
- fstp dword [edi + (14*4)] ; autoc[14]+=d*data[sample+14] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (13*4)] ; ST = d*data[sample+13] d
- fadd dword [edi + (13*4)] ; ST = autoc[13]+d*data[sample+13] d
- fstp dword [edi + (13*4)] ; autoc[13]+=d*data[sample+13] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (12*4)] ; ST = d*data[sample+12] d
- fadd dword [edi + (12*4)] ; ST = autoc[12]+d*data[sample+12] d
- fstp dword [edi + (12*4)] ; autoc[12]+=d*data[sample+12] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (11*4)] ; ST = d*data[sample+11] d
- fadd dword [edi + (11*4)] ; ST = autoc[11]+d*data[sample+11] d
- fstp dword [edi + (11*4)] ; autoc[11]+=d*data[sample+11] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (10*4)] ; ST = d*data[sample+10] d
- fadd dword [edi + (10*4)] ; ST = autoc[10]+d*data[sample+10] d
- fstp dword [edi + (10*4)] ; autoc[10]+=d*data[sample+10] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 9*4)] ; ST = d*data[sample+9] d
- fadd dword [edi + ( 9*4)] ; ST = autoc[9]+d*data[sample+9] d
- fstp dword [edi + ( 9*4)] ; autoc[9]+=d*data[sample+9] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 8*4)] ; ST = d*data[sample+8] d
- fadd dword [edi + ( 8*4)] ; ST = autoc[8]+d*data[sample+8] d
- fstp dword [edi + ( 8*4)] ; autoc[8]+=d*data[sample+8] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 7*4)] ; ST = d*data[sample+7] d
- fadd dword [edi + ( 7*4)] ; ST = autoc[7]+d*data[sample+7] d
- fstp dword [edi + ( 7*4)] ; autoc[7]+=d*data[sample+7] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 6*4)] ; ST = d*data[sample+6] d
- fadd dword [edi + ( 6*4)] ; ST = autoc[6]+d*data[sample+6] d
- fstp dword [edi + ( 6*4)] ; autoc[6]+=d*data[sample+6] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 5*4)] ; ST = d*data[sample+4] d
- fadd dword [edi + ( 5*4)] ; ST = autoc[4]+d*data[sample+4] d
- fstp dword [edi + ( 5*4)] ; autoc[4]+=d*data[sample+4] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 4*4)] ; ST = d*data[sample+4] d
- fadd dword [edi + ( 4*4)] ; ST = autoc[4]+d*data[sample+4] d
- fstp dword [edi + ( 4*4)] ; autoc[4]+=d*data[sample+4] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 3*4)] ; ST = d*data[sample+3] d
- fadd dword [edi + ( 3*4)] ; ST = autoc[3]+d*data[sample+3] d
- fstp dword [edi + ( 3*4)] ; autoc[3]+=d*data[sample+3] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 2*4)] ; ST = d*data[sample+2] d
- fadd dword [edi + ( 2*4)] ; ST = autoc[2]+d*data[sample+2] d
- fstp dword [edi + ( 2*4)] ; autoc[2]+=d*data[sample+2] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 1*4)] ; ST = d*data[sample+1] d
- fadd dword [edi + ( 1*4)] ; ST = autoc[1]+d*data[sample+1] d
- fstp dword [edi + ( 1*4)] ; autoc[1]+=d*data[sample+1] ST = d
- fld st0 ; ST = d d
- fmul dword [esi] ; ST = d*data[sample] d WATCHOUT: no displacement byte here!
- fadd dword [edi] ; ST = autoc[0]+d*data[sample] d WATCHOUT: no displacement byte here!
- fstp dword [edi] ; autoc[0]+=d*data[sample] ST = d WATCHOUT: no displacement byte here!
-.jumper1_0:
-
- fstp st0 ; pop d, ST = empty
- add esi, byte 4 ; sample++
- dec ecx
- jz .loop1_end
- fld dword [esi] ; ST = d <- data[sample]
- jmp edx
-.loop1_end:
-
- ; for(; sample < data_len; sample++) {
- ; d = data[sample];
- ; for(coeff = 0; coeff < data_len - sample; coeff++)
- ; autoc[coeff] += d * data[sample+coeff];
- ; }
- mov ecx, [esp + 24] ; ecx <- lag
- dec ecx ; ecx <- lag - 1
- jz near .end ; skip loop if 0 (i.e. lag == 1)
-
- fld dword [esi] ; ST = d <- data[sample]
- mov eax, ecx ; eax <- lag - 1 == data_len - sample the first time through
- ; each iteration is 11 bytes so we need (-eax)*11, so we do (-12*eax + eax)
- lea edx, [eax + eax*2]
- neg edx
- lea edx, [eax + edx*4 + .jumper2_0 - .get_eip2]
- call .get_eip2
-.get_eip2:
- pop ebx
- add edx, ebx
- inc edx ; compensate for the shorter opcode on the last iteration
- inc edx ; compensate for the shorter opcode on the last iteration
- inc edx ; compensate for the shorter opcode on the last iteration
- jmp edx
-
- fld st0 ; ST = d d
- fmul dword [esi + (31*4)] ; ST = d*data[sample+31] d
- fadd dword [edi + (31*4)] ; ST = autoc[31]+d*data[sample+31] d
- fstp dword [edi + (31*4)] ; autoc[31]+=d*data[sample+31] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (30*4)] ; ST = d*data[sample+30] d
- fadd dword [edi + (30*4)] ; ST = autoc[30]+d*data[sample+30] d
- fstp dword [edi + (30*4)] ; autoc[30]+=d*data[sample+30] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (29*4)] ; ST = d*data[sample+29] d
- fadd dword [edi + (29*4)] ; ST = autoc[29]+d*data[sample+29] d
- fstp dword [edi + (29*4)] ; autoc[29]+=d*data[sample+29] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (28*4)] ; ST = d*data[sample+28] d
- fadd dword [edi + (28*4)] ; ST = autoc[28]+d*data[sample+28] d
- fstp dword [edi + (28*4)] ; autoc[28]+=d*data[sample+28] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (27*4)] ; ST = d*data[sample+27] d
- fadd dword [edi + (27*4)] ; ST = autoc[27]+d*data[sample+27] d
- fstp dword [edi + (27*4)] ; autoc[27]+=d*data[sample+27] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (26*4)] ; ST = d*data[sample+26] d
- fadd dword [edi + (26*4)] ; ST = autoc[26]+d*data[sample+26] d
- fstp dword [edi + (26*4)] ; autoc[26]+=d*data[sample+26] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (25*4)] ; ST = d*data[sample+25] d
- fadd dword [edi + (25*4)] ; ST = autoc[25]+d*data[sample+25] d
- fstp dword [edi + (25*4)] ; autoc[25]+=d*data[sample+25] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (24*4)] ; ST = d*data[sample+24] d
- fadd dword [edi + (24*4)] ; ST = autoc[24]+d*data[sample+24] d
- fstp dword [edi + (24*4)] ; autoc[24]+=d*data[sample+24] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (23*4)] ; ST = d*data[sample+23] d
- fadd dword [edi + (23*4)] ; ST = autoc[23]+d*data[sample+23] d
- fstp dword [edi + (23*4)] ; autoc[23]+=d*data[sample+23] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (22*4)] ; ST = d*data[sample+22] d
- fadd dword [edi + (22*4)] ; ST = autoc[22]+d*data[sample+22] d
- fstp dword [edi + (22*4)] ; autoc[22]+=d*data[sample+22] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (21*4)] ; ST = d*data[sample+21] d
- fadd dword [edi + (21*4)] ; ST = autoc[21]+d*data[sample+21] d
- fstp dword [edi + (21*4)] ; autoc[21]+=d*data[sample+21] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (20*4)] ; ST = d*data[sample+20] d
- fadd dword [edi + (20*4)] ; ST = autoc[20]+d*data[sample+20] d
- fstp dword [edi + (20*4)] ; autoc[20]+=d*data[sample+20] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (19*4)] ; ST = d*data[sample+19] d
- fadd dword [edi + (19*4)] ; ST = autoc[19]+d*data[sample+19] d
- fstp dword [edi + (19*4)] ; autoc[19]+=d*data[sample+19] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (18*4)] ; ST = d*data[sample+18] d
- fadd dword [edi + (18*4)] ; ST = autoc[18]+d*data[sample+18] d
- fstp dword [edi + (18*4)] ; autoc[18]+=d*data[sample+18] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (17*4)] ; ST = d*data[sample+17] d
- fadd dword [edi + (17*4)] ; ST = autoc[17]+d*data[sample+17] d
- fstp dword [edi + (17*4)] ; autoc[17]+=d*data[sample+17] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (16*4)] ; ST = d*data[sample+16] d
- fadd dword [edi + (16*4)] ; ST = autoc[16]+d*data[sample+16] d
- fstp dword [edi + (16*4)] ; autoc[16]+=d*data[sample+16] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (15*4)] ; ST = d*data[sample+15] d
- fadd dword [edi + (15*4)] ; ST = autoc[15]+d*data[sample+15] d
- fstp dword [edi + (15*4)] ; autoc[15]+=d*data[sample+15] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (14*4)] ; ST = d*data[sample+14] d
- fadd dword [edi + (14*4)] ; ST = autoc[14]+d*data[sample+14] d
- fstp dword [edi + (14*4)] ; autoc[14]+=d*data[sample+14] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (13*4)] ; ST = d*data[sample+13] d
- fadd dword [edi + (13*4)] ; ST = autoc[13]+d*data[sample+13] d
- fstp dword [edi + (13*4)] ; autoc[13]+=d*data[sample+13] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (12*4)] ; ST = d*data[sample+12] d
- fadd dword [edi + (12*4)] ; ST = autoc[12]+d*data[sample+12] d
- fstp dword [edi + (12*4)] ; autoc[12]+=d*data[sample+12] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (11*4)] ; ST = d*data[sample+11] d
- fadd dword [edi + (11*4)] ; ST = autoc[11]+d*data[sample+11] d
- fstp dword [edi + (11*4)] ; autoc[11]+=d*data[sample+11] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + (10*4)] ; ST = d*data[sample+10] d
- fadd dword [edi + (10*4)] ; ST = autoc[10]+d*data[sample+10] d
- fstp dword [edi + (10*4)] ; autoc[10]+=d*data[sample+10] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 9*4)] ; ST = d*data[sample+9] d
- fadd dword [edi + ( 9*4)] ; ST = autoc[9]+d*data[sample+9] d
- fstp dword [edi + ( 9*4)] ; autoc[9]+=d*data[sample+9] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 8*4)] ; ST = d*data[sample+8] d
- fadd dword [edi + ( 8*4)] ; ST = autoc[8]+d*data[sample+8] d
- fstp dword [edi + ( 8*4)] ; autoc[8]+=d*data[sample+8] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 7*4)] ; ST = d*data[sample+7] d
- fadd dword [edi + ( 7*4)] ; ST = autoc[7]+d*data[sample+7] d
- fstp dword [edi + ( 7*4)] ; autoc[7]+=d*data[sample+7] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 6*4)] ; ST = d*data[sample+6] d
- fadd dword [edi + ( 6*4)] ; ST = autoc[6]+d*data[sample+6] d
- fstp dword [edi + ( 6*4)] ; autoc[6]+=d*data[sample+6] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 5*4)] ; ST = d*data[sample+4] d
- fadd dword [edi + ( 5*4)] ; ST = autoc[4]+d*data[sample+4] d
- fstp dword [edi + ( 5*4)] ; autoc[4]+=d*data[sample+4] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 4*4)] ; ST = d*data[sample+4] d
- fadd dword [edi + ( 4*4)] ; ST = autoc[4]+d*data[sample+4] d
- fstp dword [edi + ( 4*4)] ; autoc[4]+=d*data[sample+4] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 3*4)] ; ST = d*data[sample+3] d
- fadd dword [edi + ( 3*4)] ; ST = autoc[3]+d*data[sample+3] d
- fstp dword [edi + ( 3*4)] ; autoc[3]+=d*data[sample+3] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 2*4)] ; ST = d*data[sample+2] d
- fadd dword [edi + ( 2*4)] ; ST = autoc[2]+d*data[sample+2] d
- fstp dword [edi + ( 2*4)] ; autoc[2]+=d*data[sample+2] ST = d
- fld st0 ; ST = d d
- fmul dword [esi + ( 1*4)] ; ST = d*data[sample+1] d
- fadd dword [edi + ( 1*4)] ; ST = autoc[1]+d*data[sample+1] d
- fstp dword [edi + ( 1*4)] ; autoc[1]+=d*data[sample+1] ST = d
- fld st0 ; ST = d d
- fmul dword [esi] ; ST = d*data[sample] d WATCHOUT: no displacement byte here!
- fadd dword [edi] ; ST = autoc[0]+d*data[sample] d WATCHOUT: no displacement byte here!
- fstp dword [edi] ; autoc[0]+=d*data[sample] ST = d WATCHOUT: no displacement byte here!
-.jumper2_0:
-
- fstp st0 ; pop d, ST = empty
- add esi, byte 4 ; sample++
- dec ecx
- jz .loop2_end
- add edx, byte 11 ; adjust our inner loop counter by adjusting the jump target
- fld dword [esi] ; ST = d <- data[sample]
- jmp edx
-.loop2_end:
-
-.end:
- pop ebx
- pop edi
- pop esi
- ret
-
- ALIGN 16
-cident FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_4
- ;[esp + 16] == autoc[]
- ;[esp + 12] == lag
- ;[esp + 8] == data_len
- ;[esp + 4] == data[]
-
- ;ASSERT(lag > 0)
- ;ASSERT(lag <= 4)
- ;ASSERT(lag <= data_len)
-
- ; for(coeff = 0; coeff < lag; coeff++)
- ; autoc[coeff] = 0.0;
- xorps xmm5, xmm5
-
- mov edx, [esp + 8] ; edx == data_len
- mov eax, [esp + 4] ; eax == &data[sample] <- &data[0]
-
- movss xmm0, [eax] ; xmm0 = 0,0,0,data[0]
- add eax, 4
- movaps xmm2, xmm0 ; xmm2 = 0,0,0,data[0]
- shufps xmm0, xmm0, 0 ; xmm0 == data[sample],data[sample],data[sample],data[sample] = data[0],data[0],data[0],data[0]
-.warmup: ; xmm2 == data[sample-3],data[sample-2],data[sample-1],data[sample]
- mulps xmm0, xmm2 ; xmm0 = xmm0 * xmm2
- addps xmm5, xmm0 ; xmm5 += xmm0 * xmm2
- dec edx
- jz .loop_end
- ALIGN 16
-.loop_start:
- ; start by reading the next sample
- movss xmm0, [eax] ; xmm0 = 0,0,0,data[sample]
- add eax, 4
- shufps xmm0, xmm0, 0 ; xmm0 = data[sample],data[sample],data[sample],data[sample]
- shufps xmm2, xmm2, 93h ; 93h=2-1-0-3 => xmm2 gets rotated left by one float
- movss xmm2, xmm0
- mulps xmm0, xmm2 ; xmm0 = xmm0 * xmm2
- addps xmm5, xmm0 ; xmm5 += xmm0 * xmm2
- dec edx
- jnz .loop_start
-.loop_end:
- ; store autoc
- mov edx, [esp + 16] ; edx == autoc
- movups [edx], xmm5
-
-.end:
- ret
-
- ALIGN 16
-cident FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_8
- ;[esp + 16] == autoc[]
- ;[esp + 12] == lag
- ;[esp + 8] == data_len
- ;[esp + 4] == data[]
-
- ;ASSERT(lag > 0)
- ;ASSERT(lag <= 8)
- ;ASSERT(lag <= data_len)
-
- ; for(coeff = 0; coeff < lag; coeff++)
- ; autoc[coeff] = 0.0;
- xorps xmm5, xmm5
- xorps xmm6, xmm6
-
- mov edx, [esp + 8] ; edx == data_len
- mov eax, [esp + 4] ; eax == &data[sample] <- &data[0]
-
- movss xmm0, [eax] ; xmm0 = 0,0,0,data[0]
- add eax, 4
- movaps xmm2, xmm0 ; xmm2 = 0,0,0,data[0]
- shufps xmm0, xmm0, 0 ; xmm0 == data[sample],data[sample],data[sample],data[sample] = data[0],data[0],data[0],data[0]
- movaps xmm1, xmm0 ; xmm1 == data[sample],data[sample],data[sample],data[sample] = data[0],data[0],data[0],data[0]
- xorps xmm3, xmm3 ; xmm3 = 0,0,0,0
-.warmup: ; xmm3:xmm2 == data[sample-7],data[sample-6],...,data[sample]
- mulps xmm0, xmm2
- mulps xmm1, xmm3 ; xmm1:xmm0 = xmm1:xmm0 * xmm3:xmm2
- addps xmm5, xmm0
- addps xmm6, xmm1 ; xmm6:xmm5 += xmm1:xmm0 * xmm3:xmm2
- dec edx
- jz .loop_end
- ALIGN 16
-.loop_start:
- ; start by reading the next sample
- movss xmm0, [eax] ; xmm0 = 0,0,0,data[sample]
- ; here we reorder the instructions; see the (#) indexes for a logical order
- shufps xmm2, xmm2, 93h ; (3) 93h=2-1-0-3 => xmm2 gets rotated left by one float
- add eax, 4 ; (0)
- shufps xmm3, xmm3, 93h ; (4) 93h=2-1-0-3 => xmm3 gets rotated left by one float
- shufps xmm0, xmm0, 0 ; (1) xmm0 = data[sample],data[sample],data[sample],data[sample]
- movss xmm3, xmm2 ; (5)
- movaps xmm1, xmm0 ; (2) xmm1 = data[sample],data[sample],data[sample],data[sample]
- movss xmm2, xmm0 ; (6)
- mulps xmm1, xmm3 ; (8)
- mulps xmm0, xmm2 ; (7) xmm1:xmm0 = xmm1:xmm0 * xmm3:xmm2
- addps xmm6, xmm1 ; (10)
- addps xmm5, xmm0 ; (9) xmm6:xmm5 += xmm1:xmm0 * xmm3:xmm2
- dec edx
- jnz .loop_start
-.loop_end:
- ; store autoc
- mov edx, [esp + 16] ; edx == autoc
- movups [edx], xmm5
- movups [edx + 16], xmm6
-
-.end:
- ret
-
- ALIGN 16
-cident FLAC__lpc_compute_autocorrelation_asm_ia32_sse_lag_12
- ;[esp + 16] == autoc[]
- ;[esp + 12] == lag
- ;[esp + 8] == data_len
- ;[esp + 4] == data[]
-
- ;ASSERT(lag > 0)
- ;ASSERT(lag <= 12)
- ;ASSERT(lag <= data_len)
-
- ; for(coeff = 0; coeff < lag; coeff++)
- ; autoc[coeff] = 0.0;
- xorps xmm5, xmm5
- xorps xmm6, xmm6
- xorps xmm7, xmm7
-
- mov edx, [esp + 8] ; edx == data_len
- mov eax, [esp + 4] ; eax == &data[sample] <- &data[0]
-
- movss xmm0, [eax] ; xmm0 = 0,0,0,data[0]
- add eax, 4
- movaps xmm2, xmm0 ; xmm2 = 0,0,0,data[0]
- shufps xmm0, xmm0, 0 ; xmm0 == data[sample],data[sample],data[sample],data[sample] = data[0],data[0],data[0],data[0]
- xorps xmm3, xmm3 ; xmm3 = 0,0,0,0
- xorps xmm4, xmm4 ; xmm4 = 0,0,0,0
-.warmup: ; xmm3:xmm2 == data[sample-7],data[sample-6],...,data[sample]
- movaps xmm1, xmm0
- mulps xmm1, xmm2
- addps xmm5, xmm1
- movaps xmm1, xmm0
- mulps xmm1, xmm3
- addps xmm6, xmm1
- mulps xmm0, xmm4
- addps xmm7, xmm0 ; xmm7:xmm6:xmm5 += xmm0:xmm0:xmm0 * xmm4:xmm3:xmm2
- dec edx
- jz .loop_end
- ALIGN 16
-.loop_start:
- ; start by reading the next sample
- movss xmm0, [eax] ; xmm0 = 0,0,0,data[sample]
- add eax, 4
- shufps xmm0, xmm0, 0 ; xmm0 = data[sample],data[sample],data[sample],data[sample]
-
- ; shift xmm4:xmm3:xmm2 left by one float
- shufps xmm2, xmm2, 93h ; 93h=2-1-0-3 => xmm2 gets rotated left by one float
- shufps xmm3, xmm3, 93h ; 93h=2-1-0-3 => xmm3 gets rotated left by one float
- shufps xmm4, xmm4, 93h ; 93h=2-1-0-3 => xmm4 gets rotated left by one float
- movss xmm4, xmm3
- movss xmm3, xmm2
- movss xmm2, xmm0
-
- ; xmm7:xmm6:xmm5 += xmm0:xmm0:xmm0 * xmm3:xmm3:xmm2
- movaps xmm1, xmm0
- mulps xmm1, xmm2
- addps xmm5, xmm1
- movaps xmm1, xmm0
- mulps xmm1, xmm3
- addps xmm6, xmm1
- mulps xmm0, xmm4
- addps xmm7, xmm0
-
- dec edx
- jnz .loop_start
-.loop_end:
- ; store autoc
- mov edx, [esp + 16] ; edx == autoc
- movups [edx], xmm5
- movups [edx + 16], xmm6
- movups [edx + 32], xmm7
-
-.end:
- ret
-
- ALIGN 16
-cident FLAC__lpc_compute_autocorrelation_asm_ia32_3dnow
- ;[ebp + 32] autoc
- ;[ebp + 28] lag
- ;[ebp + 24] data_len
- ;[ebp + 20] data
-
- push ebp
- push ebx
- push esi
- push edi
- mov ebp, esp
-
- mov esi, [ebp + 20]
- mov edi, [ebp + 24]
- mov edx, [ebp + 28]
- inc edx
- and edx, byte -2
- mov eax, edx
- neg eax
- and esp, byte -8
- lea esp, [esp + 4 * eax]
- mov ecx, edx
- xor eax, eax
-.loop0:
- dec ecx
- mov [esp + 4 * ecx], eax
- jnz short .loop0
-
- mov eax, edi
- sub eax, edx
- mov ebx, edx
- and ebx, byte 1
- sub eax, ebx
- lea ecx, [esi + 4 * eax - 12]
- cmp esi, ecx
- mov eax, esi
- ja short .loop2_pre
- ALIGN 16 ;4 nops
-.loop1_i:
- movd mm0, [eax]
- movd mm2, [eax + 4]
- movd mm4, [eax + 8]
- movd mm6, [eax + 12]
- mov ebx, edx
- punpckldq mm0, mm0
- punpckldq mm2, mm2
- punpckldq mm4, mm4
- punpckldq mm6, mm6
- ALIGN 16 ;3 nops
-.loop1_j:
- sub ebx, byte 2
- movd mm1, [eax + 4 * ebx]
- movd mm3, [eax + 4 * ebx + 4]
- movd mm5, [eax + 4 * ebx + 8]
- movd mm7, [eax + 4 * ebx + 12]
- punpckldq mm1, mm3
- punpckldq mm3, mm5
- pfmul mm1, mm0
- punpckldq mm5, mm7
- pfmul mm3, mm2
- punpckldq mm7, [eax + 4 * ebx + 16]
- pfmul mm5, mm4
- pfmul mm7, mm6
- pfadd mm1, mm3
- movq mm3, [esp + 4 * ebx]
- pfadd mm5, mm7
- pfadd mm1, mm5
- pfadd mm3, mm1
- movq [esp + 4 * ebx], mm3
- jg short .loop1_j
-
- add eax, byte 16
- cmp eax, ecx
- jb short .loop1_i
-
-.loop2_pre:
- mov ebx, eax
- sub eax, esi
- shr eax, 2
- lea ecx, [esi + 4 * edi]
- mov esi, ebx
-.loop2_i:
- movd mm0, [esi]
- mov ebx, edi
- sub ebx, eax
- cmp ebx, edx
- jbe short .loop2_j
- mov ebx, edx
-.loop2_j:
- dec ebx
- movd mm1, [esi + 4 * ebx]
- pfmul mm1, mm0
- movd mm2, [esp + 4 * ebx]
- pfadd mm1, mm2
- movd [esp + 4 * ebx], mm1
-
- jnz short .loop2_j
-
- add esi, byte 4
- inc eax
- cmp esi, ecx
- jnz short .loop2_i
-
- mov edi, [ebp + 32]
- mov edx, [ebp + 28]
-.loop3:
- dec edx
- mov eax, [esp + 4 * edx]
- mov [edi + 4 * edx], eax
- jnz short .loop3
-
- femms
-
- mov esp, ebp
- pop edi
- pop esi
- pop ebx
- pop ebp
- ret
-
-;void FLAC__lpc_compute_residual_from_qlp_coefficients(const FLAC__int32 *data, unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 residual[])
-;
-; for(i = 0; i < data_len; i++) {
-; sum = 0;
-; for(j = 0; j < order; j++)
-; sum += qlp_coeff[j] * data[i-j-1];
-; residual[i] = data[i] - (sum >> lp_quantization);
-; }
-;
- ALIGN 16
-cident FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32
- ;[esp + 40] residual[]
- ;[esp + 36] lp_quantization
- ;[esp + 32] order
- ;[esp + 28] qlp_coeff[]
- ;[esp + 24] data_len
- ;[esp + 20] data[]
-
- ;ASSERT(order > 0)
-
- push ebp
- push ebx
- push esi
- push edi
-
- mov esi, [esp + 20] ; esi = data[]
- mov edi, [esp + 40] ; edi = residual[]
- mov eax, [esp + 32] ; eax = order
- mov ebx, [esp + 24] ; ebx = data_len
-
- test ebx, ebx
- jz near .end ; do nothing if data_len == 0
-.begin:
- cmp eax, byte 1
- jg short .i_1more
-
- mov ecx, [esp + 28]
- mov edx, [ecx] ; edx = qlp_coeff[0]
- mov eax, [esi - 4] ; eax = data[-1]
- mov cl, [esp + 36] ; cl = lp_quantization
- ALIGN 16
-.i_1_loop_i:
- imul eax, edx
- sar eax, cl
- neg eax
- add eax, [esi]
- mov [edi], eax
- mov eax, [esi]
- add edi, byte 4
- add esi, byte 4
- dec ebx
- jnz .i_1_loop_i
-
- jmp .end
-
-.i_1more:
- cmp eax, byte 32 ; for order <= 32 there is a faster routine
- jbe short .i_32
-
- ; This version is here just for completeness, since FLAC__MAX_LPC_ORDER == 32
- ALIGN 16
-.i_32more_loop_i:
- xor ebp, ebp
- mov ecx, [esp + 32]
- mov edx, ecx
- shl edx, 2
- add edx, [esp + 28]
- neg ecx
- ALIGN 16
-.i_32more_loop_j:
- sub edx, byte 4
- mov eax, [edx]
- imul eax, [esi + 4 * ecx]
- add ebp, eax
- inc ecx
- jnz short .i_32more_loop_j
-
- mov cl, [esp + 36]
- sar ebp, cl
- neg ebp
- add ebp, [esi]
- mov [edi], ebp
- add esi, byte 4
- add edi, byte 4
-
- dec ebx
- jnz .i_32more_loop_i
-
- jmp .end
-
-.i_32:
- sub edi, esi
- neg eax
- lea edx, [eax + eax * 8 + .jumper_0 - .get_eip0]
- call .get_eip0
-.get_eip0:
- pop eax
- add edx, eax
- inc edx
- mov eax, [esp + 28] ; eax = qlp_coeff[]
- xor ebp, ebp
- jmp edx
-
- mov ecx, [eax + 124]
- imul ecx, [esi - 128]
- add ebp, ecx
- mov ecx, [eax + 120]
- imul ecx, [esi - 124]
- add ebp, ecx
- mov ecx, [eax + 116]
- imul ecx, [esi - 120]
- add ebp, ecx
- mov ecx, [eax + 112]
- imul ecx, [esi - 116]
- add ebp, ecx
- mov ecx, [eax + 108]
- imul ecx, [esi - 112]
- add ebp, ecx
- mov ecx, [eax + 104]
- imul ecx, [esi - 108]
- add ebp, ecx
- mov ecx, [eax + 100]
- imul ecx, [esi - 104]
- add ebp, ecx
- mov ecx, [eax + 96]
- imul ecx, [esi - 100]
- add ebp, ecx
- mov ecx, [eax + 92]
- imul ecx, [esi - 96]
- add ebp, ecx
- mov ecx, [eax + 88]
- imul ecx, [esi - 92]
- add ebp, ecx
- mov ecx, [eax + 84]
- imul ecx, [esi - 88]
- add ebp, ecx
- mov ecx, [eax + 80]
- imul ecx, [esi - 84]
- add ebp, ecx
- mov ecx, [eax + 76]
- imul ecx, [esi - 80]
- add ebp, ecx
- mov ecx, [eax + 72]
- imul ecx, [esi - 76]
- add ebp, ecx
- mov ecx, [eax + 68]
- imul ecx, [esi - 72]
- add ebp, ecx
- mov ecx, [eax + 64]
- imul ecx, [esi - 68]
- add ebp, ecx
- mov ecx, [eax + 60]
- imul ecx, [esi - 64]
- add ebp, ecx
- mov ecx, [eax + 56]
- imul ecx, [esi - 60]
- add ebp, ecx
- mov ecx, [eax + 52]
- imul ecx, [esi - 56]
- add ebp, ecx
- mov ecx, [eax + 48]
- imul ecx, [esi - 52]
- add ebp, ecx
- mov ecx, [eax + 44]
- imul ecx, [esi - 48]
- add ebp, ecx
- mov ecx, [eax + 40]
- imul ecx, [esi - 44]
- add ebp, ecx
- mov ecx, [eax + 36]
- imul ecx, [esi - 40]
- add ebp, ecx
- mov ecx, [eax + 32]
- imul ecx, [esi - 36]
- add ebp, ecx
- mov ecx, [eax + 28]
- imul ecx, [esi - 32]
- add ebp, ecx
- mov ecx, [eax + 24]
- imul ecx, [esi - 28]
- add ebp, ecx
- mov ecx, [eax + 20]
- imul ecx, [esi - 24]
- add ebp, ecx
- mov ecx, [eax + 16]
- imul ecx, [esi - 20]
- add ebp, ecx
- mov ecx, [eax + 12]
- imul ecx, [esi - 16]
- add ebp, ecx
- mov ecx, [eax + 8]
- imul ecx, [esi - 12]
- add ebp, ecx
- mov ecx, [eax + 4]
- imul ecx, [esi - 8]
- add ebp, ecx
- mov ecx, [eax] ; there is one byte missing
- imul ecx, [esi - 4]
- add ebp, ecx
-.jumper_0:
-
- mov cl, [esp + 36]
- sar ebp, cl
- neg ebp
- add ebp, [esi]
- mov [edi + esi], ebp
- add esi, byte 4
-
- dec ebx
- jz short .end
- xor ebp, ebp
- jmp edx
-
-.end:
- pop edi
- pop esi
- pop ebx
- pop ebp
- ret
-
-; WATCHOUT: this routine works on 16 bit data which means bits-per-sample for
-; the channel and qlp_coeffs must be <= 16. Especially note that this routine
-; cannot be used for side-channel coded 16bps channels since the effective bps
-; is 17.
- ALIGN 16
-cident FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32_mmx
- ;[esp + 40] residual[]
- ;[esp + 36] lp_quantization
- ;[esp + 32] order
- ;[esp + 28] qlp_coeff[]
- ;[esp + 24] data_len
- ;[esp + 20] data[]
-
- ;ASSERT(order > 0)
-
- push ebp
- push ebx
- push esi
- push edi
-
- mov esi, [esp + 20] ; esi = data[]
- mov edi, [esp + 40] ; edi = residual[]
- mov eax, [esp + 32] ; eax = order
- mov ebx, [esp + 24] ; ebx = data_len
-
- test ebx, ebx
- jz near .end ; do nothing if data_len == 0
- dec ebx
- test ebx, ebx
- jz near .last_one
-
- mov edx, [esp + 28] ; edx = qlp_coeff[]
- movd mm6, [esp + 36] ; mm6 = 0:lp_quantization
- mov ebp, esp
-
- and esp, 0xfffffff8
-
- xor ecx, ecx
-.copy_qlp_loop:
- push word [edx + 4 * ecx]
- inc ecx
- cmp ecx, eax
- jnz short .copy_qlp_loop
-
- and ecx, 0x3
- test ecx, ecx
- je short .za_end
- sub ecx, byte 4
-.za_loop:
- push word 0
- inc eax
- inc ecx
- jnz short .za_loop
-.za_end:
-
- movq mm5, [esp + 2 * eax - 8]
- movd mm4, [esi - 16]
- punpckldq mm4, [esi - 12]
- movd mm0, [esi - 8]
- punpckldq mm0, [esi - 4]
- packssdw mm4, mm0
-
- cmp eax, byte 4
- jnbe short .mmx_4more
-
- ALIGN 16
-.mmx_4_loop_i:
- movd mm1, [esi]
- movq mm3, mm4
- punpckldq mm1, [esi + 4]
- psrlq mm4, 16
- movq mm0, mm1
- psllq mm0, 48
- por mm4, mm0
- movq mm2, mm4
- psrlq mm4, 16
- pxor mm0, mm0
- punpckhdq mm0, mm1
- pmaddwd mm3, mm5
- pmaddwd mm2, mm5
- psllq mm0, 16
- por mm4, mm0
- movq mm0, mm3
- punpckldq mm3, mm2
- punpckhdq mm0, mm2
- paddd mm3, mm0
- psrad mm3, mm6
- psubd mm1, mm3
- movd [edi], mm1
- punpckhdq mm1, mm1
- movd [edi + 4], mm1
-
- add edi, byte 8
- add esi, byte 8
-
- sub ebx, 2
- jg .mmx_4_loop_i
- jmp .mmx_end
-
-.mmx_4more:
- shl eax, 2
- neg eax
- add eax, byte 16
-
- ALIGN 16
-.mmx_4more_loop_i:
- movd mm1, [esi]
- punpckldq mm1, [esi + 4]
- movq mm3, mm4
- psrlq mm4, 16
- movq mm0, mm1
- psllq mm0, 48
- por mm4, mm0
- movq mm2, mm4
- psrlq mm4, 16
- pxor mm0, mm0
- punpckhdq mm0, mm1
- pmaddwd mm3, mm5
- pmaddwd mm2, mm5
- psllq mm0, 16
- por mm4, mm0
-
- mov ecx, esi
- add ecx, eax
- mov edx, esp
-
- ALIGN 16
-.mmx_4more_loop_j:
- movd mm0, [ecx - 16]
- movd mm7, [ecx - 8]
- punpckldq mm0, [ecx - 12]
- punpckldq mm7, [ecx - 4]
- packssdw mm0, mm7
- pmaddwd mm0, [edx]
- punpckhdq mm7, mm7
- paddd mm3, mm0
- movd mm0, [ecx - 12]
- punpckldq mm0, [ecx - 8]
- punpckldq mm7, [ecx]
- packssdw mm0, mm7
- pmaddwd mm0, [edx]
- paddd mm2, mm0
-
- add edx, byte 8
- add ecx, byte 16
- cmp ecx, esi
- jnz .mmx_4more_loop_j
-
- movq mm0, mm3
- punpckldq mm3, mm2
- punpckhdq mm0, mm2
- paddd mm3, mm0
- psrad mm3, mm6
- psubd mm1, mm3
- movd [edi], mm1
- punpckhdq mm1, mm1
- movd [edi + 4], mm1
-
- add edi, byte 8
- add esi, byte 8
-
- sub ebx, 2
- jg near .mmx_4more_loop_i
-
-.mmx_end:
- emms
- mov esp, ebp
-.last_one:
- mov eax, [esp + 32]
- inc ebx
- jnz near FLAC__lpc_compute_residual_from_qlp_coefficients_asm_ia32.begin
-
-.end:
- pop edi
- pop esi
- pop ebx
- pop ebp
- ret
-
-; **********************************************************************
-;
-; void FLAC__lpc_restore_signal(const FLAC__int32 residual[], unsigned data_len, const FLAC__int32 qlp_coeff[], unsigned order, int lp_quantization, FLAC__int32 data[])
-; {
-; unsigned i, j;
-; FLAC__int32 sum;
-;
-; FLAC__ASSERT(order > 0);
-;
-; for(i = 0; i < data_len; i++) {
-; sum = 0;
-; for(j = 0; j < order; j++)
-; sum += qlp_coeff[j] * data[i-j-1];
-; data[i] = residual[i] + (sum >> lp_quantization);
-; }
-; }
- ALIGN 16
-cident FLAC__lpc_restore_signal_asm_ia32
- ;[esp + 40] data[]
- ;[esp + 36] lp_quantization
- ;[esp + 32] order
- ;[esp + 28] qlp_coeff[]
- ;[esp + 24] data_len
- ;[esp + 20] residual[]
-
- ;ASSERT(order > 0)
-
- push ebp
- push ebx
- push esi
- push edi
-
- mov esi, [esp + 20] ; esi = residual[]
- mov edi, [esp + 40] ; edi = data[]
- mov eax, [esp + 32] ; eax = order
- mov ebx, [esp + 24] ; ebx = data_len
-
- test ebx, ebx
- jz near .end ; do nothing if data_len == 0
-
-.begin:
- cmp eax, byte 1
- jg short .x87_1more
-
- mov ecx, [esp + 28]
- mov edx, [ecx]
- mov eax, [edi - 4]
- mov cl, [esp + 36]
- ALIGN 16
-.x87_1_loop_i:
- imul eax, edx
- sar eax, cl
- add eax, [esi]
- mov [edi], eax
- add esi, byte 4
- add edi, byte 4
- dec ebx
- jnz .x87_1_loop_i
-
- jmp .end
-
-.x87_1more:
- cmp eax, byte 32 ; for order <= 32 there is a faster routine
- jbe short .x87_32
-
- ; This version is here just for completeness, since FLAC__MAX_LPC_ORDER == 32
- ALIGN 16
-.x87_32more_loop_i:
- xor ebp, ebp
- mov ecx, [esp + 32]
- mov edx, ecx
- shl edx, 2
- add edx, [esp + 28]
- neg ecx
- ALIGN 16
-.x87_32more_loop_j:
- sub edx, byte 4
- mov eax, [edx]
- imul eax, [edi + 4 * ecx]
- add ebp, eax
- inc ecx
- jnz short .x87_32more_loop_j
-
- mov cl, [esp + 36]
- sar ebp, cl
- add ebp, [esi]
- mov [edi], ebp
- add edi, byte 4
- add esi, byte 4
-
- dec ebx
- jnz .x87_32more_loop_i
-
- jmp .end
-
-.x87_32:
- sub esi, edi
- neg eax
- lea edx, [eax + eax * 8 + .jumper_0 - .get_eip0]
- call .get_eip0
-.get_eip0:
- pop eax
- add edx, eax
- inc edx ; compensate for the shorter opcode on the last iteration
- mov eax, [esp + 28] ; eax = qlp_coeff[]
- xor ebp, ebp
- jmp edx
-
- mov ecx, [eax + 124] ; ecx = qlp_coeff[31]
- imul ecx, [edi - 128] ; ecx = qlp_coeff[31] * data[i-32]
- add ebp, ecx ; sum += qlp_coeff[31] * data[i-32]
- mov ecx, [eax + 120] ; ecx = qlp_coeff[30]
- imul ecx, [edi - 124] ; ecx = qlp_coeff[30] * data[i-31]
- add ebp, ecx ; sum += qlp_coeff[30] * data[i-31]
- mov ecx, [eax + 116] ; ecx = qlp_coeff[29]
- imul ecx, [edi - 120] ; ecx = qlp_coeff[29] * data[i-30]
- add ebp, ecx ; sum += qlp_coeff[29] * data[i-30]
- mov ecx, [eax + 112] ; ecx = qlp_coeff[28]
- imul ecx, [edi - 116] ; ecx = qlp_coeff[28] * data[i-29]
- add ebp, ecx ; sum += qlp_coeff[28] * data[i-29]
- mov ecx, [eax + 108] ; ecx = qlp_coeff[27]
- imul ecx, [edi - 112] ; ecx = qlp_coeff[27] * data[i-28]
- add ebp, ecx ; sum += qlp_coeff[27] * data[i-28]
- mov ecx, [eax + 104] ; ecx = qlp_coeff[26]
- imul ecx, [edi - 108] ; ecx = qlp_coeff[26] * data[i-27]
- add ebp, ecx ; sum += qlp_coeff[26] * data[i-27]
- mov ecx, [eax + 100] ; ecx = qlp_coeff[25]
- imul ecx, [edi - 104] ; ecx = qlp_coeff[25] * data[i-26]
- add ebp, ecx ; sum += qlp_coeff[25] * data[i-26]
- mov ecx, [eax + 96] ; ecx = qlp_coeff[24]
- imul ecx, [edi - 100] ; ecx = qlp_coeff[24] * data[i-25]
- add ebp, ecx ; sum += qlp_coeff[24] * data[i-25]
- mov ecx, [eax + 92] ; ecx = qlp_coeff[23]
- imul ecx, [edi - 96] ; ecx = qlp_coeff[23] * data[i-24]
- add ebp, ecx ; sum += qlp_coeff[23] * data[i-24]
- mov ecx, [eax + 88] ; ecx = qlp_coeff[22]
- imul ecx, [edi - 92] ; ecx = qlp_coeff[22] * data[i-23]
- add ebp, ecx ; sum += qlp_coeff[22] * data[i-23]
- mov ecx, [eax + 84] ; ecx = qlp_coeff[21]
- imul ecx, [edi - 88] ; ecx = qlp_coeff[21] * data[i-22]
- add ebp, ecx ; sum += qlp_coeff[21] * data[i-22]
- mov ecx, [eax + 80] ; ecx = qlp_coeff[20]
- imul ecx, [edi - 84] ; ecx = qlp_coeff[20] * data[i-21]
- add ebp, ecx ; sum += qlp_coeff[20] * data[i-21]
- mov ecx, [eax + 76] ; ecx = qlp_coeff[19]
- imul ecx, [edi - 80] ; ecx = qlp_coeff[19] * data[i-20]
- add ebp, ecx ; sum += qlp_coeff[19] * data[i-20]
- mov ecx, [eax + 72] ; ecx = qlp_coeff[18]
- imul ecx, [edi - 76] ; ecx = qlp_coeff[18] * data[i-19]
- add ebp, ecx ; sum += qlp_coeff[18] * data[i-19]
- mov ecx, [eax + 68] ; ecx = qlp_coeff[17]
- imul ecx, [edi - 72] ; ecx = qlp_coeff[17] * data[i-18]
- add ebp, ecx ; sum += qlp_coeff[17] * data[i-18]
- mov ecx, [eax + 64] ; ecx = qlp_coeff[16]
- imul ecx, [edi - 68] ; ecx = qlp_coeff[16] * data[i-17]
- add ebp, ecx ; sum += qlp_coeff[16] * data[i-17]
- mov ecx, [eax + 60] ; ecx = qlp_coeff[15]
- imul ecx, [edi - 64] ; ecx = qlp_coeff[15] * data[i-16]
- add ebp, ecx ; sum += qlp_coeff[15] * data[i-16]
- mov ecx, [eax + 56] ; ecx = qlp_coeff[14]
- imul ecx, [edi - 60] ; ecx = qlp_coeff[14] * data[i-15]
- add ebp, ecx ; sum += qlp_coeff[14] * data[i-15]
- mov ecx, [eax + 52] ; ecx = qlp_coeff[13]
- imul ecx, [edi - 56] ; ecx = qlp_coeff[13] * data[i-14]
- add ebp, ecx ; sum += qlp_coeff[13] * data[i-14]
- mov ecx, [eax + 48] ; ecx = qlp_coeff[12]
- imul ecx, [edi - 52] ; ecx = qlp_coeff[12] * data[i-13]
- add ebp, ecx ; sum += qlp_coeff[12] * data[i-13]
- mov ecx, [eax + 44] ; ecx = qlp_coeff[11]
- imul ecx, [edi - 48] ; ecx = qlp_coeff[11] * data[i-12]
- add ebp, ecx ; sum += qlp_coeff[11] * data[i-12]
- mov ecx, [eax + 40] ; ecx = qlp_coeff[10]
- imul ecx, [edi - 44] ; ecx = qlp_coeff[10] * data[i-11]
- add ebp, ecx ; sum += qlp_coeff[10] * data[i-11]
- mov ecx, [eax + 36] ; ecx = qlp_coeff[ 9]
- imul ecx, [edi - 40] ; ecx = qlp_coeff[ 9] * data[i-10]
- add ebp, ecx ; sum += qlp_coeff[ 9] * data[i-10]
- mov ecx, [eax + 32] ; ecx = qlp_coeff[ 8]
- imul ecx, [edi - 36] ; ecx = qlp_coeff[ 8] * data[i- 9]
- add ebp, ecx ; sum += qlp_coeff[ 8] * data[i- 9]
- mov ecx, [eax + 28] ; ecx = qlp_coeff[ 7]
- imul ecx, [edi - 32] ; ecx = qlp_coeff[ 7] * data[i- 8]
- add ebp, ecx ; sum += qlp_coeff[ 7] * data[i- 8]
- mov ecx, [eax + 24] ; ecx = qlp_coeff[ 6]
- imul ecx, [edi - 28] ; ecx = qlp_coeff[ 6] * data[i- 7]
- add ebp, ecx ; sum += qlp_coeff[ 6] * data[i- 7]
- mov ecx, [eax + 20] ; ecx = qlp_coeff[ 5]
- imul ecx, [edi - 24] ; ecx = qlp_coeff[ 5] * data[i- 6]
- add ebp, ecx ; sum += qlp_coeff[ 5] * data[i- 6]
- mov ecx, [eax + 16] ; ecx = qlp_coeff[ 4]
- imul ecx, [edi - 20] ; ecx = qlp_coeff[ 4] * data[i- 5]
- add ebp, ecx ; sum += qlp_coeff[ 4] * data[i- 5]
- mov ecx, [eax + 12] ; ecx = qlp_coeff[ 3]
- imul ecx, [edi - 16] ; ecx = qlp_coeff[ 3] * data[i- 4]
- add ebp, ecx ; sum += qlp_coeff[ 3] * data[i- 4]
- mov ecx, [eax + 8] ; ecx = qlp_coeff[ 2]
- imul ecx, [edi - 12] ; ecx = qlp_coeff[ 2] * data[i- 3]
- add ebp, ecx ; sum += qlp_coeff[ 2] * data[i- 3]
- mov ecx, [eax + 4] ; ecx = qlp_coeff[ 1]
- imul ecx, [edi - 8] ; ecx = qlp_coeff[ 1] * data[i- 2]
- add ebp, ecx ; sum += qlp_coeff[ 1] * data[i- 2]
- mov ecx, [eax] ; ecx = qlp_coeff[ 0] (NOTE: one byte missing from instruction)
- imul ecx, [edi - 4] ; ecx = qlp_coeff[ 0] * data[i- 1]
- add ebp, ecx ; sum += qlp_coeff[ 0] * data[i- 1]
-.jumper_0:
-
- mov cl, [esp + 36]
- sar ebp, cl ; ebp = (sum >> lp_quantization)
- add ebp, [esi + edi] ; ebp = residual[i] + (sum >> lp_quantization)
- mov [edi], ebp ; data[i] = residual[i] + (sum >> lp_quantization)
- add edi, byte 4
-
- dec ebx
- jz short .end
- xor ebp, ebp
- jmp edx
-
-.end:
- pop edi
- pop esi
- pop ebx
- pop ebp
- ret
-
-; WATCHOUT: this routine works on 16 bit data which means bits-per-sample for
-; the channel and qlp_coeffs must be <= 16. Especially note that this routine
-; cannot be used for side-channel coded 16bps channels since the effective bps
-; is 17.
-; WATCHOUT: this routine requires that each data array have a buffer of up to
-; 3 zeroes in front (at negative indices) for alignment purposes, i.e. for each
-; channel n, data[n][-1] through data[n][-3] should be accessible and zero.
- ALIGN 16
-cident FLAC__lpc_restore_signal_asm_ia32_mmx
- ;[esp + 40] data[]
- ;[esp + 36] lp_quantization
- ;[esp + 32] order
- ;[esp + 28] qlp_coeff[]
- ;[esp + 24] data_len
- ;[esp + 20] residual[]
-
- ;ASSERT(order > 0)
-
- push ebp
- push ebx
- push esi
- push edi
-
- mov esi, [esp + 20]
- mov edi, [esp + 40]
- mov eax, [esp + 32]
- mov ebx, [esp + 24]
-
- test ebx, ebx
- jz near .end ; do nothing if data_len == 0
- cmp eax, byte 4
- jb near FLAC__lpc_restore_signal_asm_ia32.begin
-
- mov edx, [esp + 28]
- movd mm6, [esp + 36]
- mov ebp, esp
-
- and esp, 0xfffffff8
-
- xor ecx, ecx
-.copy_qlp_loop:
- push word [edx + 4 * ecx]
- inc ecx
- cmp ecx, eax
- jnz short .copy_qlp_loop
-
- and ecx, 0x3
- test ecx, ecx
- je short .za_end
- sub ecx, byte 4
-.za_loop:
- push word 0
- inc eax
- inc ecx
- jnz short .za_loop
-.za_end:
-
- movq mm5, [esp + 2 * eax - 8]
- movd mm4, [edi - 16]
- punpckldq mm4, [edi - 12]
- movd mm0, [edi - 8]
- punpckldq mm0, [edi - 4]
- packssdw mm4, mm0
-
- cmp eax, byte 4
- jnbe short .mmx_4more
-
- ALIGN 16
-.mmx_4_loop_i:
- movq mm7, mm4
- pmaddwd mm7, mm5
- movq mm0, mm7
- punpckhdq mm7, mm7
- paddd mm7, mm0
- psrad mm7, mm6
- movd mm1, [esi]
- paddd mm7, mm1
- movd [edi], mm7
- psllq mm7, 48
- psrlq mm4, 16
- por mm4, mm7
-
- add esi, byte 4
- add edi, byte 4
-
- dec ebx
- jnz .mmx_4_loop_i
- jmp .mmx_end
-.mmx_4more:
- shl eax, 2
- neg eax
- add eax, byte 16
- ALIGN 16
-.mmx_4more_loop_i:
- mov ecx, edi
- add ecx, eax
- mov edx, esp
-
- movq mm7, mm4
- pmaddwd mm7, mm5
-
- ALIGN 16
-.mmx_4more_loop_j:
- movd mm0, [ecx - 16]
- punpckldq mm0, [ecx - 12]
- movd mm1, [ecx - 8]
- punpckldq mm1, [ecx - 4]
- packssdw mm0, mm1
- pmaddwd mm0, [edx]
- paddd mm7, mm0
-
- add edx, byte 8
- add ecx, byte 16
- cmp ecx, edi
- jnz .mmx_4more_loop_j
-
- movq mm0, mm7
- punpckhdq mm7, mm7
- paddd mm7, mm0
- psrad mm7, mm6
- movd mm1, [esi]
- paddd mm7, mm1
- movd [edi], mm7
- psllq mm7, 48
- psrlq mm4, 16
- por mm4, mm7
-
- add esi, byte 4
- add edi, byte 4
-
- dec ebx
- jnz short .mmx_4more_loop_i
-.mmx_end:
- emms
- mov esp, ebp
-
-.end:
- pop edi
- pop esi
- pop ebx
- pop ebp
- ret
-
-end
-
-%ifdef OBJ_FORMAT_elf
- section .note.GNU-stack noalloc
-%endif
diff --git a/libFLAC/ia32/nasm.h b/libFLAC/ia32/nasm.h
deleted file mode 100644
index 215498d..0000000
--- a/libFLAC/ia32/nasm.h
+++ /dev/null
@@ -1,75 +0,0 @@
-; libFLAC - Free Lossless Audio Codec library
-; Copyright (C) 2001,2002,2003,2004,2005,2006,2007 Josh Coalson
-;
-; Redistribution and use in source and binary forms, with or without
-; modification, are permitted provided that the following conditions
-; are met:
-;
-; - Redistributions of source code must retain the above copyright
-; notice, this list of conditions and the following disclaimer.
-;
-; - Redistributions in binary form must reproduce the above copyright
-; notice, this list of conditions and the following disclaimer in the
-; documentation and/or other materials provided with the distribution.
-;
-; - Neither the name of the Xiph.org Foundation nor the names of its
-; contributors may be used to endorse or promote products derived from
-; this software without specific prior written permission.
-;
-; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-; ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
-; CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
- bits 32
-
-%ifdef OBJ_FORMAT_win32
- %define FLAC__PUBLIC_NEEDS_UNDERSCORE
- %idefine code_section section .text align=16 class=CODE use32
- %idefine data_section section .data align=32 class=DATA use32
- %idefine bss_section section .bss align=32 class=DATA use32
-%elifdef OBJ_FORMAT_aout
- %define FLAC__PUBLIC_NEEDS_UNDERSCORE
- %idefine code_section section .text
- %idefine data_section section .data
- %idefine bss_section section .bss
-%elifdef OBJ_FORMAT_aoutb
- %define FLAC__PUBLIC_NEEDS_UNDERSCORE
- %idefine code_section section .text
- %idefine data_section section .data
- %idefine bss_section section .bss
-%elifdef OBJ_FORMAT_elf
- %idefine code_section section .text align=16
- %idefine data_section section .data align=32
- %idefine bss_section section .bss align=32
-%else
- %error unsupported object format!
-%endif
-
-%imacro cglobal 1
- %ifdef FLAC__PUBLIC_NEEDS_UNDERSCORE
- global _%1
- %else
- global %1
- %endif
-%endmacro
-
-%imacro cextern 1
- %ifdef FLAC__PUBLIC_NEEDS_UNDERSCORE
- extern _%1
- %else
- extern %1
- %endif
-%endmacro
-
-%imacro cident 1
-_%1:
-%1:
-%endmacro
diff --git a/libFLAC/ia32/stream_encoder_asm.nasm b/libFLAC/ia32/stream_encoder_asm.nasm
deleted file mode 100644
index b7ecef8..0000000
--- a/libFLAC/ia32/stream_encoder_asm.nasm
+++ /dev/null
@@ -1,159 +0,0 @@
-; vim:filetype=nasm ts=8
-
-; libFLAC - Free Lossless Audio Codec library
-; Copyright (C) 2001,2002,2003,2004,2005,2006,2007 Josh Coalson
-;
-; Redistribution and use in source and binary forms, with or without
-; modification, are permitted provided that the following conditions
-; are met:
-;
-; - Redistributions of source code must retain the above copyright
-; notice, this list of conditions and the following disclaimer.
-;
-; - Redistributions in binary form must reproduce the above copyright
-; notice, this list of conditions and the following disclaimer in the
-; documentation and/or other materials provided with the distribution.
-;
-; - Neither the name of the Xiph.org Foundation nor the names of its
-; contributors may be used to endorse or promote products derived from
-; this software without specific prior written permission.
-;
-; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-; ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
-; CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-%include "nasm.h"
-
- data_section
-
-cglobal precompute_partition_info_sums_32bit_asm_ia32_
-
- code_section
-
-
-; **********************************************************************
-;
-; void FLAC__bool FLAC__bitreader_read_rice_signed_block(FLAC__BitReader *br, int vals[], unsigned nvals, unsigned parameter)
-; void precompute_partition_info_sums_32bit_(
-; const FLAC__int32 residual[],
-; FLAC__uint64 abs_residual_partition_sums[],
-; unsigned blocksize,
-; unsigned predictor_order,
-; unsigned min_partition_order,
-; unsigned max_partition_order
-; )
-;
- ALIGN 16
-cident precompute_partition_info_sums_32bit_asm_ia32_
-
- ;; peppered throughout the code at major checkpoints are keys like this as to where things are at that point in time
- ;; [esp + 4] const FLAC__int32 residual[]
- ;; [esp + 8] FLAC__uint64 abs_residual_partition_sums[]
- ;; [esp + 12] unsigned blocksize
- ;; [esp + 16] unsigned predictor_order
- ;; [esp + 20] unsigned min_partition_order
- ;; [esp + 24] unsigned max_partition_order
- push ebp
- push ebx
- push esi
- push edi
- sub esp, 8
- ;; [esp + 28] const FLAC__int32 residual[]
- ;; [esp + 32] FLAC__uint64 abs_residual_partition_sums[]
- ;; [esp + 36] unsigned blocksize
- ;; [esp + 40] unsigned predictor_order
- ;; [esp + 44] unsigned min_partition_order
- ;; [esp + 48] unsigned max_partition_order
- ;; [esp] partitions
- ;; [esp + 4] default_partition_samples
-
- mov ecx, [esp + 48]
- mov eax, 1
- shl eax, cl
- mov [esp], eax ; [esp] <- partitions = 1u << max_partition_order;
- mov eax, [esp + 36]
- shr eax, cl
- mov [esp + 4], eax ; [esp + 4] <- default_partition_samples = blocksize >> max_partition_order;
-
- ;
- ; first do max_partition_order
- ;
- mov edi, [esp + 4]
- sub edi, [esp + 40] ; edi <- end = (unsigned)(-(int)predictor_order) + default_partition_samples
- xor esi, esi ; esi <- residual_sample = 0
- xor ecx, ecx ; ecx <- partition = 0
- mov ebp, [esp + 28] ; ebp <- residual[]
- xor ebx, ebx ; ebx <- abs_residual_partition_sum = 0;
- ; note we put the updates to 'end' and 'abs_residual_partition_sum' at the end of loop0 and in the initialization above so we could align loop0 and loop1
- ALIGN 16
-.loop0: ; for(partition = residual_sample = 0; partition < partitions; partition++) {
-.loop1: ; for( ; residual_sample < end; residual_sample++)
- mov eax, [ebp + esi * 4]
- cdq
- xor eax, edx
- sub eax, edx
- add ebx, eax ; abs_residual_partition_sum += abs(residual[residual_sample]);
- ;@@@@@@ check overflow flag and abort here?
- add esi, byte 1
- cmp esi, edi ; /* since the loop will always run at least once, we can put the loop check down here */
- jb .loop1
-.next1:
- add edi, [esp + 4] ; end += default_partition_samples;
- mov eax, [esp + 32]
- mov [eax + ecx * 8], ebx ; abs_residual_partition_sums[partition] = abs_residual_partition_sum;
- mov [eax + ecx * 8 + 4], dword 0
- xor ebx, ebx ; abs_residual_partition_sum = 0;
- add ecx, byte 1
- cmp ecx, [esp] ; /* since the loop will always run at least once, we can put the loop check down here */
- jb .loop0
-.next0: ; }
- ;
- ; now merge partitions for lower orders
- ;
- mov esi, [esp + 32] ; esi <- abs_residual_partition_sums[from_partition==0];
- mov eax, [esp]
- lea edi, [esi + eax * 8] ; edi <- abs_residual_partition_sums[to_partition==partitions];
- mov ecx, [esp + 48]
- sub ecx, byte 1 ; ecx <- partition_order = (int)max_partition_order - 1;
- ALIGN 16
-.loop2: ; for(; partition_order >= (int)min_partition_order; partition_order--) {
- cmp ecx, [esp + 44]
- jl .next2
- mov edx, 1
- shl edx, cl ; const unsigned partitions = 1u << partition_order;
- ALIGN 16
-.loop3: ; for(i = 0; i < partitions; i++) {
- mov eax, [esi]
- mov ebx, [esi + 4]
- add eax, [esi + 8]
- adc ebx, [esi + 12]
- mov [edi], eax
- mov [edi + 4], ebx ; a_r_p_s[to_partition] = a_r_p_s[from_partition] + a_r_p_s[from_partition+1];
- add esi, byte 16
- add edi, byte 8
- sub edx, byte 1
- jnz .loop3 ; }
- sub ecx, byte 1
- jmp .loop2 ; }
-.next2:
-
- add esp, 8
- pop edi
- pop esi
- pop ebx
- pop ebp
- ret
-
-end
-
-%ifdef OBJ_FORMAT_elf
- section .note.GNU-stack noalloc
-%endif
diff --git a/libFLAC/include/Makefile.am b/libFLAC/include/Makefile.am
deleted file mode 100644
index 866a894..0000000
--- a/libFLAC/include/Makefile.am
+++ /dev/null
@@ -1,31 +0,0 @@
-# libFLAC - Free Lossless Audio Codec library
-# Copyright (C) 2001,2002,2003,2004,2005,2006,2007 Josh Coalson
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# - Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#
-# - Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in the
-# documentation and/or other materials provided with the distribution.
-#
-# - Neither the name of the Xiph.org Foundation nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
-# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-SUBDIRS = private protected
diff --git a/libFLAC/include/Makefile.in b/libFLAC/include/Makefile.in
deleted file mode 100644
index ae91c1e..0000000
--- a/libFLAC/include/Makefile.in
+++ /dev/null
@@ -1,533 +0,0 @@
-# Makefile.in generated by automake 1.7.9 from Makefile.am.
-# @configure_input@
-
-# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
-# Free Software Foundation, Inc.
-# This Makefile.in is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-# PARTICULAR PURPOSE.
-
-@SET_MAKE@
-
-# libFLAC - Free Lossless Audio Codec library
-# Copyright (C) 2001,2002,2003,2004,2005,2006,2007 Josh Coalson
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# - Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#
-# - Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in the
-# documentation and/or other materials provided with the distribution.
-#
-# - Neither the name of the Xiph.org Foundation nor the names of its
-# contributors may be used to endorse or promote products derived from
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-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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-# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-srcdir = @srcdir@
-top_srcdir = @top_srcdir@
-VPATH = @srcdir@
-pkgdatadir = $(datadir)/@PACKAGE@
-pkglibdir = $(libdir)/@PACKAGE@
-pkgincludedir = $(includedir)/@PACKAGE@
-top_builddir = ../../..
-
-am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
-INSTALL = @INSTALL@
-install_sh_DATA = $(install_sh) -c -m 644
-install_sh_PROGRAM = $(install_sh) -c
-install_sh_SCRIPT = $(install_sh) -c
-INSTALL_HEADER = $(INSTALL_DATA)
-transform = $(program_transform_name)
-NORMAL_INSTALL = :
-PRE_INSTALL = :
-POST_INSTALL = :
-NORMAL_UNINSTALL = :
-PRE_UNINSTALL = :
-POST_UNINSTALL = :
-host_triplet = @host@
-ACLOCAL = @ACLOCAL@
-ACLOCAL_AMFLAGS = @ACLOCAL_AMFLAGS@
-AMDEP_FALSE = @AMDEP_FALSE@
-AMDEP_TRUE = @AMDEP_TRUE@
-AMTAR = @AMTAR@
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-AUTOCONF = @AUTOCONF@
-AUTOHEADER = @AUTOHEADER@
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-CXXDEPMODE = @CXXDEPMODE@
-CXXFLAGS = @CXXFLAGS@
-CYGPATH_W = @CYGPATH_W@
-DEBUG_FALSE = @DEBUG_FALSE@
-DEBUG_TRUE = @DEBUG_TRUE@
-DEFS = @DEFS@
-DEPDIR = @DEPDIR@
-DOCBOOK_TO_MAN = @DOCBOOK_TO_MAN@
-DOXYGEN = @DOXYGEN@
-ECHO = @ECHO@
-ECHO_C = @ECHO_C@
-ECHO_N = @ECHO_N@
-ECHO_T = @ECHO_T@
-EGREP = @EGREP@
-EXEEXT = @EXEEXT@
-F77 = @F77@
-FFLAGS = @FFLAGS@
-FLAC__TEST_LEVEL = @FLAC__TEST_LEVEL@
-FLAC__TEST_WITH_VALGRIND = @FLAC__TEST_WITH_VALGRIND@
-FLaC__CPU_IA32_FALSE = @FLaC__CPU_IA32_FALSE@
-FLaC__CPU_IA32_TRUE = @FLaC__CPU_IA32_TRUE@
-FLaC__CPU_PPC_FALSE = @FLaC__CPU_PPC_FALSE@
-FLaC__CPU_PPC_TRUE = @FLaC__CPU_PPC_TRUE@
-FLaC__CPU_SPARC_FALSE = @FLaC__CPU_SPARC_FALSE@
-FLaC__CPU_SPARC_TRUE = @FLaC__CPU_SPARC_TRUE@
-FLaC__HAS_AS_FALSE = @FLaC__HAS_AS_FALSE@
-FLaC__HAS_AS_TRUE = @FLaC__HAS_AS_TRUE@
-FLaC__HAS_AS__TEMPORARILY_DISABLED_FALSE = @FLaC__HAS_AS__TEMPORARILY_DISABLED_FALSE@
-FLaC__HAS_AS__TEMPORARILY_DISABLED_TRUE = @FLaC__HAS_AS__TEMPORARILY_DISABLED_TRUE@
-FLaC__HAS_DOCBOOK_TO_MAN_FALSE = @FLaC__HAS_DOCBOOK_TO_MAN_FALSE@
-FLaC__HAS_DOCBOOK_TO_MAN_TRUE = @FLaC__HAS_DOCBOOK_TO_MAN_TRUE@
-FLaC__HAS_DOXYGEN_FALSE = @FLaC__HAS_DOXYGEN_FALSE@
-FLaC__HAS_DOXYGEN_TRUE = @FLaC__HAS_DOXYGEN_TRUE@
-FLaC__HAS_GAS_FALSE = @FLaC__HAS_GAS_FALSE@
-FLaC__HAS_GAS_TRUE = @FLaC__HAS_GAS_TRUE@
-FLaC__HAS_GAS__TEMPORARILY_DISABLED_FALSE = @FLaC__HAS_GAS__TEMPORARILY_DISABLED_FALSE@
-FLaC__HAS_GAS__TEMPORARILY_DISABLED_TRUE = @FLaC__HAS_GAS__TEMPORARILY_DISABLED_TRUE@
-FLaC__HAS_NASM_FALSE = @FLaC__HAS_NASM_FALSE@
-FLaC__HAS_NASM_TRUE = @FLaC__HAS_NASM_TRUE@
-FLaC__HAS_OGG_FALSE = @FLaC__HAS_OGG_FALSE@
-FLaC__HAS_OGG_TRUE = @FLaC__HAS_OGG_TRUE@
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-FLaC__SYS_DARWIN_TRUE = @FLaC__SYS_DARWIN_TRUE@
-FLaC__SYS_LINUX_FALSE = @FLaC__SYS_LINUX_FALSE@
-FLaC__SYS_LINUX_TRUE = @FLaC__SYS_LINUX_TRUE@
-FLaC__USE_3DNOW_FALSE = @FLaC__USE_3DNOW_FALSE@
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diff --git a/libFLAC/include/private/all.h b/libFLAC/include/private/all.h
deleted file mode 100644
index a4463d2..0000000
--- a/libFLAC/include/private/all.h
+++ /dev/null
@@ -1,50 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2000-2009 Josh Coalson
- * Copyright (C) 2011-2014 Xiph.Org Foundation
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__PRIVATE__ALL_H
-#define FLAC__PRIVATE__ALL_H
-
-#include "bitmath.h"
-#include "bitreader.h"
-#include "bitwriter.h"
-#include "cpu.h"
-#include "crc.h"
-#include "fixed.h"
-#include "float.h"
-#include "format.h"
-#include "lpc.h"
-#include "md5.h"
-#include "memory.h"
-#include "metadata.h"
-#include "stream_encoder_framing.h"
-
-#endif
diff --git a/libFLAC/include/protected/Makefile.am b/libFLAC/include/protected/Makefile.am
deleted file mode 100644
index 66c697c..0000000
--- a/libFLAC/include/protected/Makefile.am
+++ /dev/null
@@ -1,34 +0,0 @@
-# libFLAC - Free Lossless Audio Codec library
-# Copyright (C) 2001,2002,2003,2004,2005,2006,2007 Josh Coalson
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# - Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#
-# - Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in the
-# documentation and/or other materials provided with the distribution.
-#
-# - Neither the name of the Xiph.org Foundation nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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-# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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-# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-noinst_HEADERS = \
- all.h \
- stream_decoder.h \
- stream_encoder.h
diff --git a/libFLAC/include/protected/Makefile.in b/libFLAC/include/protected/Makefile.in
deleted file mode 100644
index 96133a6..0000000
--- a/libFLAC/include/protected/Makefile.in
+++ /dev/null
@@ -1,439 +0,0 @@
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diff --git a/libFLAC/include/protected/all.h b/libFLAC/include/protected/all.h
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- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef FLAC__PROTECTED__ALL_H
-#define FLAC__PROTECTED__ALL_H
-
-#include "stream_decoder.h"
-#include "stream_encoder.h"
-
-#endif
diff --git a/libFLAC/libFLAC.m4 b/libFLAC/libFLAC.m4
deleted file mode 100644
index 24eb0c5..0000000
--- a/libFLAC/libFLAC.m4
+++ /dev/null
@@ -1,114 +0,0 @@
-# Configure paths for libFLAC
-# "Inspired" by ogg.m4
-
-dnl AM_PATH_LIBFLAC([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
-dnl Test for libFLAC, and define LIBFLAC_CFLAGS, LIBFLAC_LIBS, LIBFLAC_LIBDIR
-dnl
-AC_DEFUN([AM_PATH_LIBFLAC],
-[dnl
-dnl Get the cflags and libraries
-dnl
-AC_ARG_WITH(libFLAC,[ --with-libFLAC=PFX Prefix where libFLAC is installed (optional)], libFLAC_prefix="$withval", libFLAC_prefix="")
-AC_ARG_WITH(libFLAC-libraries,[ --with-libFLAC-libraries=DIR Directory where libFLAC library is installed (optional)], libFLAC_libraries="$withval", libFLAC_libraries="")
-AC_ARG_WITH(libFLAC-includes,[ --with-libFLAC-includes=DIR Directory where libFLAC header files are installed (optional)], libFLAC_includes="$withval", libFLAC_includes="")
-AC_ARG_ENABLE(libFLACtest, [ --disable-libFLACtest Do not try to compile and run a test libFLAC program],, enable_libFLACtest=yes)
-
- if test "x$libFLAC_libraries" != "x" ; then
- LIBFLAC_LIBDIR="$libFLAC_libraries"
- elif test "x$libFLAC_prefix" != "x" ; then
- LIBFLAC_LIBDIR="$libFLAC_prefix/lib"
- elif test "x$prefix" != "xNONE" ; then
- LIBFLAC_LIBDIR="$libdir"
- fi
-
- LIBFLAC_LIBS="-L$LIBFLAC_LIBDIR -lFLAC $OGG_LIBS -lm"
-
- if test "x$libFLAC_includes" != "x" ; then
- LIBFLAC_CFLAGS="-I$libFLAC_includes"
- elif test "x$libFLAC_prefix" != "x" ; then
- LIBFLAC_CFLAGS="-I$libFLAC_prefix/include"
- elif test "$prefix" != "xNONE"; then
- LIBFLAC_CFLAGS=""
- fi
-
- AC_MSG_CHECKING(for libFLAC)
- no_libFLAC=""
-
-
- if test "x$enable_libFLACtest" = "xyes" ; then
- ac_save_CFLAGS="$CFLAGS"
- ac_save_CXXFLAGS="$CXXFLAGS"
- ac_save_LIBS="$LIBS"
- ac_save_LD_LIBRARY_PATH="$LD_LIBRARY_PATH"
- CFLAGS="$CFLAGS $LIBFLAC_CFLAGS"
- CXXFLAGS="$CXXFLAGS $LIBFLAC_CFLAGS"
- LIBS="$LIBS $LIBFLAC_LIBS"
- LD_LIBRARY_PATH="$LIBFLAC_LIBDIR:$LD_LIBRARY_PATH"
-dnl
-dnl Now check if the installed libFLAC is sufficiently new.
-dnl
- rm -f conf.libFLACtest
- AC_TRY_RUN([
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <FLAC/format.h>
-
-int main ()
-{
- system("touch conf.libFLACtest");
- return 0;
-}
-
-],, no_libFLAC=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
- CFLAGS="$ac_save_CFLAGS"
- CXXFLAGS="$ac_save_CXXFLAGS"
- LIBS="$ac_save_LIBS"
- LD_LIBRARY_PATH="$ac_save_LD_LIBRARY_PATH"
- fi
-
- if test "x$no_libFLAC" = "x" ; then
- AC_MSG_RESULT(yes)
- ifelse([$1], , :, [$1])
- else
- AC_MSG_RESULT(no)
- if test -f conf.libFLACtest ; then
- :
- else
- echo "*** Could not run libFLAC test program, checking why..."
- CFLAGS="$CFLAGS $LIBFLAC_CFLAGS"
- CXXFLAGS="$CXXFLAGS $LIBFLAC_CFLAGS"
- LIBS="$LIBS $LIBFLAC_LIBS"
- LD_LIBRARY_PATH="$LIBFLAC_LIBDIR:$LD_LIBRARY_PATH"
- AC_TRY_LINK([
-#include <stdio.h>
-#include <FLAC/format.h>
-], [ return 0; ],
- [ echo "*** The test program compiled, but did not run. This usually means"
- echo "*** that the run-time linker is not finding libFLAC or finding the wrong"
- echo "*** version of libFLAC. If it is not finding libFLAC, you'll need to set your"
- echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
- echo "*** to the installed location Also, make sure you have run ldconfig if that"
- echo "*** is required on your system"
- echo "***"
- echo "*** If you have an old version installed, it is best to remove it, although"
- echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
- [ echo "*** The test program failed to compile or link. See the file config.log for the"
- echo "*** exact error that occured. This usually means libFLAC was incorrectly installed"
- echo "*** or that you have moved libFLAC since it was installed. In the latter case, you"
- echo "*** may want to edit the libFLAC-config script: $LIBFLAC_CONFIG" ])
- CFLAGS="$ac_save_CFLAGS"
- CXXFLAGS="$ac_save_CXXFLAGS"
- LIBS="$ac_save_LIBS"
- LD_LIBRARY_PATH="$ac_save_LD_LIBRARY_PATH"
- fi
- LIBFLAC_CFLAGS=""
- LIBFLAC_LIBDIR=""
- LIBFLAC_LIBS=""
- ifelse([$2], , :, [$2])
- fi
- AC_SUBST(LIBFLAC_CFLAGS)
- AC_SUBST(LIBFLAC_LIBDIR)
- AC_SUBST(LIBFLAC_LIBS)
- rm -f conf.libFLACtest
-])
diff --git a/libFLAC/libFLAC_dynamic.dsp b/libFLAC/libFLAC_dynamic.dsp
deleted file mode 100644
index 243f639..0000000
--- a/libFLAC/libFLAC_dynamic.dsp
+++ /dev/null
@@ -1,464 +0,0 @@
-# Microsoft Developer Studio Project File - Name="libFLAC_dynamic" - Package Owner=<4>
-# Microsoft Developer Studio Generated Build File, Format Version 6.00
-# ** DO NOT EDIT **
-
-# TARGTYPE "Win32 (x86) Dynamic-Link Library" 0x0102
-
-CFG=libFLAC_dynamic - Win32 Debug
-!MESSAGE This is not a valid makefile. To build this project using NMAKE,
-!MESSAGE use the Export Makefile command and run
-!MESSAGE
-!MESSAGE NMAKE /f "libFLAC_dynamic.mak".
-!MESSAGE
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-!MESSAGE NMAKE /f "libFLAC_dynamic.mak" CFG="libFLAC_dynamic - Win32 Debug"
-!MESSAGE
-!MESSAGE Possible choices for configuration are:
-!MESSAGE
-!MESSAGE "libFLAC_dynamic - Win32 Release" (based on "Win32 (x86) Dynamic-Link Library")
-!MESSAGE "libFLAC_dynamic - Win32 Debug" (based on "Win32 (x86) Dynamic-Link Library")
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-# PROP Scc_ProjName "libFLAC"
-# PROP Scc_LocalPath "..\.."
-CPP=cl.exe
-MTL=midl.exe
-RSC=rc.exe
-
-!IF "$(CFG)" == "libFLAC_dynamic - Win32 Release"
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-# PROP Use_Debug_Libraries 0
-# PROP Output_Dir "..\..\obj\release\lib"
-# PROP Intermediate_Dir "Release_dynamic"
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-# PROP Target_Dir ""
-# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
-# ADD CPP /nologo /MD /W3 /GR /GX /O2 /I ".\include" /I "..\..\include" /D "NDEBUG" /D "FLAC_API_EXPORTS" /D "FLAC__HAS_OGG" /D VERSION=\"1.2.1\" /D "FLAC__CPU_IA32" /D "FLAC__HAS_NASM" /D "FLAC__USE_3DNOW" /D "_WINDOWS" /D "_WINDLL" /D "WIN32" /D "_USRDLL" /FR /FD /c
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-# ADD LINK32 ..\..\obj\release\lib\ogg_static.lib /nologo /subsystem:windows /dll /machine:I386 /out:"..\..\obj\release\bin/libFLAC.dll"
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-# PROP Use_MFC 0
-# PROP Use_Debug_Libraries 1
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-# PROP Target_Dir ""
-# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c
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-USERDEP__CPU_A="ia32/bitreader_asm.nasm"
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-"ia32/bitreader_asm.obj" : $(SOURCE) "$(INTDIR)" "$(OUTDIR)"
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diff --git a/libFLAC/libFLAC_dynamic.vcproj b/libFLAC/libFLAC_dynamic.vcproj
deleted file mode 100644
index fe2a20c..0000000
--- a/libFLAC/libFLAC_dynamic.vcproj
+++ /dev/null
@@ -1,540 +0,0 @@
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-<VisualStudioProject
- ProjectType="Visual C++"
- Version="8.00"
- Name="libFLAC_dynamic"
- ProjectGUID="{4cefbc83-c215-11db-8314-0800200c9a66}"
- RootNamespace="libFLAC_dynamic"
- Keyword="Win32Proj"
- >
- <Platforms>
- <Platform
- Name="Win32"
- />
- </Platforms>
- <ToolFiles>
- </ToolFiles>
- <Configurations>
- <Configuration
- Name="Debug|Win32"
- OutputDirectory="..\..\obj\debug\lib"
- IntermediateDirectory="Debug_dynamic"
- ConfigurationType="2"
- >
- <Tool
- Name="VCPreBuildEventTool"
- />
- <Tool
- Name="VCCustomBuildTool"
- />
- <Tool
- Name="VCXMLDataGeneratorTool"
- />
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- Name="VCWebServiceProxyGeneratorTool"
- />
- <Tool
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- />
- <Tool
- Name="VCCLCompilerTool"
- Optimization="0"
- AdditionalIncludeDirectories=".\include;..\..\include"
- PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;FLAC_API_EXPORTS;FLAC__HAS_OGG;FLAC__CPU_IA32;FLAC__HAS_NASM;FLAC__USE_3DNOW;VERSION=\"1.2.0\";DEBUG;FLAC__OVERFLOW_DETECT"
- MinimalRebuild="true"
- BasicRuntimeChecks="3"
- RuntimeLibrary="1"
- UsePrecompiledHeader="0"
- WarningLevel="3"
- Detect64BitPortabilityProblems="true"
- DebugInformationFormat="4"
- CompileAs="0"
- DisableSpecificWarnings="4267;4996"
- />
- <Tool
- Name="VCManagedResourceCompilerTool"
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diff --git a/libFLAC/libFLAC_static.vcproj b/libFLAC/libFLAC_static.vcproj
deleted file mode 100644
index fdb1b2f..0000000
--- a/libFLAC/libFLAC_static.vcproj
+++ /dev/null
@@ -1,505 +0,0 @@
-<?xml version="1.0" encoding="Windows-1252"?>
-<VisualStudioProject
- ProjectType="Visual C++"
- Version="8.00"
- Name="libFLAC_static"
- ProjectGUID="{4cefbc84-c215-11db-8314-0800200c9a66}"
- RootNamespace="libFLAC_static"
- Keyword="Win32Proj"
- >
- <Platforms>
- <Platform
- Name="Win32"
- />
- </Platforms>
- <ToolFiles>
- </ToolFiles>
- <Configurations>
- <Configuration
- Name="Debug|Win32"
- OutputDirectory="..\..\obj\debug\lib"
- IntermediateDirectory="Debug_static"
- ConfigurationType="4"
- >
- <Tool
- Name="VCPreBuildEventTool"
- />
- <Tool
- Name="VCCustomBuildTool"
- />
- <Tool
- Name="VCXMLDataGeneratorTool"
- />
- <Tool
- Name="VCWebServiceProxyGeneratorTool"
- />
- <Tool
- Name="VCMIDLTool"
- />
- <Tool
- Name="VCCLCompilerTool"
- Optimization="0"
- AdditionalIncludeDirectories=".\include;..\..\include"
- PreprocessorDefinitions="WIN32;_DEBUG;_LIB;FLAC__HAS_OGG;FLAC__CPU_IA32;FLAC__HAS_NASM;FLAC__USE_3DNOW;VERSION=\"1.2.0\";FLAC__NO_DLL;DEBUG;FLAC__OVERFLOW_DETECT"
- MinimalRebuild="true"
- BasicRuntimeChecks="3"
- RuntimeLibrary="1"
- UsePrecompiledHeader="0"
- WarningLevel="3"
- Detect64BitPortabilityProblems="true"
- DebugInformationFormat="4"
- CompileAs="0"
- DisableSpecificWarnings="4267;4996"
- />
- <Tool
- Name="VCManagedResourceCompilerTool"
- />
- <Tool
- Name="VCResourceCompilerTool"
- />
- <Tool
- Name="VCPreLinkEventTool"
- />
- <Tool
- Name="VCLibrarianTool"
- OutputFile="..\..\obj\debug\lib\$(ProjectName).lib"
- />
- <Tool
- Name="VCALinkTool"
- />
- <Tool
- Name="VCXDCMakeTool"
- />
- <Tool
- Name="VCBscMakeTool"
- />
- <Tool
- Name="VCFxCopTool"
- />
- <Tool
- Name="VCPostBuildEventTool"
- />
- </Configuration>
- <Configuration
- Name="Release|Win32"
- OutputDirectory="..\..\obj\release\lib"
- IntermediateDirectory="Release_static"
- ConfigurationType="4"
- >
- <Tool
- Name="VCPreBuildEventTool"
- />
- <Tool
- Name="VCCustomBuildTool"
- />
- <Tool
- Name="VCXMLDataGeneratorTool"
- />
- <Tool
- Name="VCWebServiceProxyGeneratorTool"
- />
- <Tool
- Name="VCMIDLTool"
- />
- <Tool
- Name="VCCLCompilerTool"
- EnableIntrinsicFunctions="true"
- FavorSizeOrSpeed="1"
- OmitFramePointers="true"
- WholeProgramOptimization="true"
- AdditionalIncludeDirectories=".\include;..\..\include"
- PreprocessorDefinitions="WIN32;NDEBUG;_LIB;FLAC__HAS_OGG;FLAC__CPU_IA32;FLAC__HAS_NASM;FLAC__USE_3DNOW;VERSION=\"1.2.0\";FLAC__NO_DLL"
- RuntimeLibrary="0"
- BufferSecurityCheck="false"
- UsePrecompiledHeader="0"
- WarningLevel="3"
- Detect64BitPortabilityProblems="true"
- DebugInformationFormat="3"
- CompileAs="0"
- DisableSpecificWarnings="4267;4996"
- />
- <Tool
- Name="VCManagedResourceCompilerTool"
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- Name="VCResourceCompilerTool"
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- OutputFile="..\..\obj\release\lib\$(ProjectName).lib"
- />
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- />
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- Name="VCXDCMakeTool"
- />
- <Tool
- Name="VCBscMakeTool"
- />
- <Tool
- Name="VCFxCopTool"
- />
- <Tool
- Name="VCPostBuildEventTool"
- />
- </Configuration>
- </Configurations>
- <References>
- </References>
- <Files>
- <Filter
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- Filter="h;hpp;hxx;hm;inl;inc;xsd"
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- <FileConfiguration
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- >
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- Name="VCCustomBuildTool"
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- </File>
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- >
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- >
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- AdditionalDependencies="ia32/lpc_asm.nasm;ia32/nasm.h"
- Outputs="ia32/lpc_asm.obj"
- />
- </FileConfiguration>
- <FileConfiguration
- Name="Release|Win32"
- >
- <Tool
- Name="VCCustomBuildTool"
- CommandLine="nasmw.exe -f win32 -d OBJ_FORMAT_win32 -i ia32/ ia32/lpc_asm.nasm -o ia32/lpc_asm.obj
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- AdditionalDependencies="ia32/lpc_asm.nasm;ia32/nasm.h"
- Outputs="ia32/lpc_asm.obj"
- />
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- </File>
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- RelativePath=".\ia32\stream_encoder_asm.nasm"
- >
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- Name="Debug|Win32"
- >
- <Tool
- Name="VCCustomBuildTool"
- CommandLine="nasmw.exe -f win32 -d OBJ_FORMAT_win32 -i ia32/ ia32/stream_encoder_asm.nasm -o ia32/stream_encoder_asm.obj
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- AdditionalDependencies="ia32/stream_encoder_asm.nasm;ia32/nasm.h"
- Outputs="ia32/stream_encoder_asm.obj"
- />
- </FileConfiguration>
- <FileConfiguration
- Name="Release|Win32"
- >
- <Tool
- Name="VCCustomBuildTool"
- CommandLine="nasmw.exe -f win32 -d OBJ_FORMAT_win32 -i ia32/ ia32/stream_encoder_asm.nasm -o ia32/stream_encoder_asm.obj
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- AdditionalDependencies="ia32/stream_encoder_asm.nasm;ia32/nasm.h"
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diff --git a/libFLAC/lpc.c b/libFLAC/lpc.c
index f7c643a..5c6e175 100644
--- a/libFLAC/lpc.c
+++ b/libFLAC/lpc.c
@@ -288,6 +288,7 @@
for(j = 0; j < order; j++) {
sum += qlp_coeff[j] * (*(--history));
sumo += (FLAC__int64)qlp_coeff[j] * (FLAC__int64)(*history);
+ if(sumo > 2147483647ll || sumo < -2147483648ll)
fprintf(stderr,"FLAC__lpc_compute_residual_from_qlp_coefficients: OVERFLOW, i=%u, j=%u, c=%d, d=%d, sumo=%" PRId64 "\n",i,j,qlp_coeff[j],*history,sumo);
}
*(residual++) = *(data++) - (sum >> lp_quantization);
diff --git a/libFLAC/md5.c b/libFLAC/md5.c
index e5adc3e..e9013a9 100644
--- a/libFLAC/md5.c
+++ b/libFLAC/md5.c
@@ -224,7 +224,7 @@
ctx->bytes[0] = 0;
ctx->bytes[1] = 0;
- ctx->internal_buf.p8= 0;
+ ctx->internal_buf.p8 = 0;
ctx->capacity = 0;
}
@@ -262,7 +262,7 @@
memcpy(digest, ctx->buf, 16);
if (0 != ctx->internal_buf.p8) {
free(ctx->internal_buf.p8);
- ctx->internal_buf.p8= 0;
+ ctx->internal_buf.p8 = 0;
ctx->capacity = 0;
}
memset(ctx, 0, sizeof(*ctx)); /* In case it's sensitive */
@@ -499,14 +499,12 @@
return false;
if (ctx->capacity < bytes_needed) {
- FLAC__byte *tmp = realloc(ctx->internal_buf.p8, bytes_needed);
- if (0 == tmp) {
- free(ctx->internal_buf.p8);
- if (0 == (ctx->internal_buf.p8= safe_malloc_(bytes_needed)))
+ if (0 == (ctx->internal_buf.p8 = safe_realloc_(ctx->internal_buf.p8, bytes_needed))) {
+ if (0 == (ctx->internal_buf.p8 = safe_malloc_(bytes_needed))) {
+ ctx->capacity = 0;
return false;
+ }
}
- else
- ctx->internal_buf.p8= tmp;
ctx->capacity = bytes_needed;
}
diff --git a/libFLAC/metadata_iterators.c b/libFLAC/metadata_iterators.c
deleted file mode 100644
index 8b9dbec..0000000
--- a/libFLAC/metadata_iterators.c
+++ /dev/null
@@ -1,3364 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2001,2002,2003,2004,2005,2006,2007 Josh Coalson
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#if defined _MSC_VER || defined __BORLANDC__ || defined __MINGW32__
-#if defined __BORLANDC__
-#include <utime.h> /* for utime() */
-#else
-#include <sys/utime.h> /* for utime() */
-#endif
-#include <io.h> /* for chmod() */
-#include <sys/types.h> /* for off_t */
-#if _MSC_VER <= 1600 || defined __BORLANDC__ /* @@@ [2G limit] */
-#define fseeko fseek
-#define ftello ftell
-#endif
-#else
-#include <sys/types.h> /* some flavors of BSD (like OS X) require this to get time_t */
-#include <utime.h> /* for utime() */
-#include <unistd.h> /* for chown(), unlink() */
-#endif
-#include <sys/stat.h> /* for stat(), maybe chmod() */
-
-#include "private/metadata.h"
-
-#include "FLAC/assert.h"
-#include "FLAC/stream_decoder.h"
-#include "share/alloc.h"
-
-#ifdef max
-#undef max
-#endif
-#define max(a,b) ((a)>(b)?(a):(b))
-#ifdef min
-#undef min
-#endif
-#define min(a,b) ((a)<(b)?(a):(b))
-
-
-/****************************************************************************
- *
- * Local function declarations
- *
- ***************************************************************************/
-
-static void pack_uint32_(FLAC__uint32 val, FLAC__byte *b, unsigned bytes);
-static void pack_uint32_little_endian_(FLAC__uint32 val, FLAC__byte *b, unsigned bytes);
-static void pack_uint64_(FLAC__uint64 val, FLAC__byte *b, unsigned bytes);
-static FLAC__uint32 unpack_uint32_(FLAC__byte *b, unsigned bytes);
-static FLAC__uint32 unpack_uint32_little_endian_(FLAC__byte *b, unsigned bytes);
-static FLAC__uint64 unpack_uint64_(FLAC__byte *b, unsigned bytes);
-
-static FLAC__bool read_metadata_block_header_(FLAC__Metadata_SimpleIterator *iterator);
-static FLAC__bool read_metadata_block_data_(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block);
-static FLAC__bool read_metadata_block_header_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__bool *is_last, FLAC__MetadataType *type, unsigned *length);
-static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Seek seek_cb, FLAC__StreamMetadata *block);
-static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_streaminfo_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_StreamInfo *block);
-static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_padding_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Seek seek_cb, FLAC__StreamMetadata_Padding *block, unsigned block_length);
-static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_application_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_Application *block, unsigned block_length);
-static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_seektable_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_SeekTable *block, unsigned block_length);
-static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_vorbis_comment_entry_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_VorbisComment_Entry *entry);
-static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_vorbis_comment_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_VorbisComment *block);
-static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_cuesheet_track_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_CueSheet_Track *track);
-static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_cuesheet_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_CueSheet *block);
-static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_picture_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_Picture *block);
-static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_unknown_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_Unknown *block, unsigned block_length);
-
-static FLAC__bool write_metadata_block_header_(FILE *file, FLAC__Metadata_SimpleIteratorStatus *status, const FLAC__StreamMetadata *block);
-static FLAC__bool write_metadata_block_data_(FILE *file, FLAC__Metadata_SimpleIteratorStatus *status, const FLAC__StreamMetadata *block);
-static FLAC__bool write_metadata_block_header_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata *block);
-static FLAC__bool write_metadata_block_data_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata *block);
-static FLAC__bool write_metadata_block_data_streaminfo_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_StreamInfo *block);
-static FLAC__bool write_metadata_block_data_padding_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_Padding *block, unsigned block_length);
-static FLAC__bool write_metadata_block_data_application_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_Application *block, unsigned block_length);
-static FLAC__bool write_metadata_block_data_seektable_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_SeekTable *block);
-static FLAC__bool write_metadata_block_data_vorbis_comment_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_VorbisComment *block);
-static FLAC__bool write_metadata_block_data_cuesheet_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_CueSheet *block);
-static FLAC__bool write_metadata_block_data_picture_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_Picture *block);
-static FLAC__bool write_metadata_block_data_unknown_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_Unknown *block, unsigned block_length);
-
-static FLAC__bool write_metadata_block_stationary_(FLAC__Metadata_SimpleIterator *iterator, const FLAC__StreamMetadata *block);
-static FLAC__bool write_metadata_block_stationary_with_padding_(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block, unsigned padding_length, FLAC__bool padding_is_last);
-static FLAC__bool rewrite_whole_file_(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block, FLAC__bool append);
-
-static void simple_iterator_push_(FLAC__Metadata_SimpleIterator *iterator);
-static FLAC__bool simple_iterator_pop_(FLAC__Metadata_SimpleIterator *iterator);
-
-static unsigned seek_to_first_metadata_block_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Seek seek_cb);
-static unsigned seek_to_first_metadata_block_(FILE *f);
-
-static FLAC__bool simple_iterator_copy_file_prefix_(FLAC__Metadata_SimpleIterator *iterator, FILE **tempfile, char **tempfilename, FLAC__bool append);
-static FLAC__bool simple_iterator_copy_file_postfix_(FLAC__Metadata_SimpleIterator *iterator, FILE **tempfile, char **tempfilename, int fixup_is_last_code, off_t fixup_is_last_flag_offset, FLAC__bool backup);
-
-static FLAC__bool copy_n_bytes_from_file_(FILE *file, FILE *tempfile, off_t bytes, FLAC__Metadata_SimpleIteratorStatus *status);
-static FLAC__bool copy_n_bytes_from_file_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOHandle temp_handle, FLAC__IOCallback_Write temp_write_cb, off_t bytes, FLAC__Metadata_SimpleIteratorStatus *status);
-static FLAC__bool copy_remaining_bytes_from_file_(FILE *file, FILE *tempfile, FLAC__Metadata_SimpleIteratorStatus *status);
-static FLAC__bool copy_remaining_bytes_from_file_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Eof eof_cb, FLAC__IOHandle temp_handle, FLAC__IOCallback_Write temp_write_cb, FLAC__Metadata_SimpleIteratorStatus *status);
-
-static FLAC__bool open_tempfile_(const char *filename, const char *tempfile_path_prefix, FILE **tempfile, char **tempfilename, FLAC__Metadata_SimpleIteratorStatus *status);
-static FLAC__bool transport_tempfile_(const char *filename, FILE **tempfile, char **tempfilename, FLAC__Metadata_SimpleIteratorStatus *status);
-static void cleanup_tempfile_(FILE **tempfile, char **tempfilename);
-
-static FLAC__bool get_file_stats_(const char *filename, struct stat *stats);
-static void set_file_stats_(const char *filename, struct stat *stats);
-
-static int fseek_wrapper_(FLAC__IOHandle handle, FLAC__int64 offset, int whence);
-static FLAC__int64 ftell_wrapper_(FLAC__IOHandle handle);
-
-static FLAC__Metadata_ChainStatus get_equivalent_status_(FLAC__Metadata_SimpleIteratorStatus status);
-
-
-#ifdef FLAC__VALGRIND_TESTING
-static size_t local__fwrite(const void *ptr, size_t size, size_t nmemb, FILE *stream)
-{
- size_t ret = fwrite(ptr, size, nmemb, stream);
- if(!ferror(stream))
- fflush(stream);
- return ret;
-}
-#else
-#define local__fwrite fwrite
-#endif
-
-/****************************************************************************
- *
- * Level 0 implementation
- *
- ***************************************************************************/
-
-static FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data);
-static void metadata_callback_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data);
-static void error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data);
-
-typedef struct {
- FLAC__bool got_error;
- FLAC__StreamMetadata *object;
-} level0_client_data;
-
-static FLAC__StreamMetadata *get_one_metadata_block_(const char *filename, FLAC__MetadataType type)
-{
- level0_client_data cd;
- FLAC__StreamDecoder *decoder;
-
- FLAC__ASSERT(0 != filename);
-
- cd.got_error = false;
- cd.object = 0;
-
- decoder = FLAC__stream_decoder_new();
-
- if(0 == decoder)
- return 0;
-
- FLAC__stream_decoder_set_md5_checking(decoder, false);
- FLAC__stream_decoder_set_metadata_ignore_all(decoder);
- FLAC__stream_decoder_set_metadata_respond(decoder, type);
-
- if(FLAC__stream_decoder_init_file(decoder, filename, write_callback_, metadata_callback_, error_callback_, &cd) != FLAC__STREAM_DECODER_INIT_STATUS_OK || cd.got_error) {
- (void)FLAC__stream_decoder_finish(decoder);
- FLAC__stream_decoder_delete(decoder);
- return 0;
- }
-
- if(!FLAC__stream_decoder_process_until_end_of_metadata(decoder) || cd.got_error) {
- (void)FLAC__stream_decoder_finish(decoder);
- FLAC__stream_decoder_delete(decoder);
- if(0 != cd.object)
- FLAC__metadata_object_delete(cd.object);
- return 0;
- }
-
- (void)FLAC__stream_decoder_finish(decoder);
- FLAC__stream_decoder_delete(decoder);
-
- return cd.object;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_get_streaminfo(const char *filename, FLAC__StreamMetadata *streaminfo)
-{
- FLAC__StreamMetadata *object;
-
- FLAC__ASSERT(0 != filename);
- FLAC__ASSERT(0 != streaminfo);
-
- object = get_one_metadata_block_(filename, FLAC__METADATA_TYPE_STREAMINFO);
-
- if (object) {
- /* can just copy the contents since STREAMINFO has no internal structure */
- *streaminfo = *object;
- FLAC__metadata_object_delete(object);
- return true;
- }
- else {
- return false;
- }
-}
-
-FLAC_API FLAC__bool FLAC__metadata_get_tags(const char *filename, FLAC__StreamMetadata **tags)
-{
- FLAC__ASSERT(0 != filename);
- FLAC__ASSERT(0 != tags);
-
- *tags = get_one_metadata_block_(filename, FLAC__METADATA_TYPE_VORBIS_COMMENT);
-
- return 0 != *tags;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_get_cuesheet(const char *filename, FLAC__StreamMetadata **cuesheet)
-{
- FLAC__ASSERT(0 != filename);
- FLAC__ASSERT(0 != cuesheet);
-
- *cuesheet = get_one_metadata_block_(filename, FLAC__METADATA_TYPE_CUESHEET);
-
- return 0 != *cuesheet;
-}
-
-FLAC__StreamDecoderWriteStatus write_callback_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
-{
- (void)decoder, (void)frame, (void)buffer, (void)client_data;
-
- return FLAC__STREAM_DECODER_WRITE_STATUS_CONTINUE;
-}
-
-void metadata_callback_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data)
-{
- level0_client_data *cd = (level0_client_data *)client_data;
- (void)decoder;
-
- /*
- * we assume we only get here when the one metadata block we were
- * looking for was passed to us
- */
- if(!cd->got_error && 0 == cd->object) {
- if(0 == (cd->object = FLAC__metadata_object_clone(metadata)))
- cd->got_error = true;
- }
-}
-
-void error_callback_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
-{
- level0_client_data *cd = (level0_client_data *)client_data;
- (void)decoder;
-
- if(status != FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC)
- cd->got_error = true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_get_picture(const char *filename, FLAC__StreamMetadata **picture, FLAC__StreamMetadata_Picture_Type type, const char *mime_type, const FLAC__byte *description, unsigned max_width, unsigned max_height, unsigned max_depth, unsigned max_colors)
-{
- FLAC__Metadata_SimpleIterator *it;
- FLAC__uint64 max_area_seen = 0;
- FLAC__uint64 max_depth_seen = 0;
-
- FLAC__ASSERT(0 != filename);
- FLAC__ASSERT(0 != picture);
-
- *picture = 0;
-
- it = FLAC__metadata_simple_iterator_new();
- if(0 == it)
- return false;
- if(!FLAC__metadata_simple_iterator_init(it, filename, /*read_only=*/true, /*preserve_file_stats=*/true)) {
- FLAC__metadata_simple_iterator_delete(it);
- return false;
- }
- do {
- if(FLAC__metadata_simple_iterator_get_block_type(it) == FLAC__METADATA_TYPE_PICTURE) {
- FLAC__StreamMetadata *obj = FLAC__metadata_simple_iterator_get_block(it);
- FLAC__uint64 area = (FLAC__uint64)obj->data.picture.width * (FLAC__uint64)obj->data.picture.height;
- /* check constraints */
- if(
- (type == (FLAC__StreamMetadata_Picture_Type)(-1) || type == obj->data.picture.type) &&
- (mime_type == 0 || !strcmp(mime_type, obj->data.picture.mime_type)) &&
- (description == 0 || !strcmp((const char *)description, (const char *)obj->data.picture.description)) &&
- obj->data.picture.width <= max_width &&
- obj->data.picture.height <= max_height &&
- obj->data.picture.depth <= max_depth &&
- obj->data.picture.colors <= max_colors &&
- (area > max_area_seen || (area == max_area_seen && obj->data.picture.depth > max_depth_seen))
- ) {
- if(*picture)
- FLAC__metadata_object_delete(*picture);
- *picture = obj;
- max_area_seen = area;
- max_depth_seen = obj->data.picture.depth;
- }
- else {
- FLAC__metadata_object_delete(obj);
- }
- }
- } while(FLAC__metadata_simple_iterator_next(it));
-
- FLAC__metadata_simple_iterator_delete(it);
-
- return (0 != *picture);
-}
-
-
-/****************************************************************************
- *
- * Level 1 implementation
- *
- ***************************************************************************/
-
-#define SIMPLE_ITERATOR_MAX_PUSH_DEPTH (1+4)
-/* 1 for initial offset, +4 for our own personal use */
-
-struct FLAC__Metadata_SimpleIterator {
- FILE *file;
- char *filename, *tempfile_path_prefix;
- struct stat stats;
- FLAC__bool has_stats;
- FLAC__bool is_writable;
- FLAC__Metadata_SimpleIteratorStatus status;
- off_t offset[SIMPLE_ITERATOR_MAX_PUSH_DEPTH];
- off_t first_offset; /* this is the offset to the STREAMINFO block */
- unsigned depth;
- /* this is the metadata block header of the current block we are pointing to: */
- FLAC__bool is_last;
- FLAC__MetadataType type;
- unsigned length;
-};
-
-FLAC_API const char * const FLAC__Metadata_SimpleIteratorStatusString[] = {
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK",
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT",
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ERROR_OPENING_FILE",
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_NOT_A_FLAC_FILE",
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_NOT_WRITABLE",
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_BAD_METADATA",
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR",
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR",
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR",
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_RENAME_ERROR",
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_UNLINK_ERROR",
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR",
- "FLAC__METADATA_SIMPLE_ITERATOR_STATUS_INTERNAL_ERROR"
-};
-
-
-FLAC_API FLAC__Metadata_SimpleIterator *FLAC__metadata_simple_iterator_new(void)
-{
- FLAC__Metadata_SimpleIterator *iterator = (FLAC__Metadata_SimpleIterator*)calloc(1, sizeof(FLAC__Metadata_SimpleIterator));
-
- if(0 != iterator) {
- iterator->file = 0;
- iterator->filename = 0;
- iterator->tempfile_path_prefix = 0;
- iterator->has_stats = false;
- iterator->is_writable = false;
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
- iterator->first_offset = iterator->offset[0] = -1;
- iterator->depth = 0;
- }
-
- return iterator;
-}
-
-static void simple_iterator_free_guts_(FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
-
- if(0 != iterator->file) {
- fclose(iterator->file);
- iterator->file = 0;
- if(iterator->has_stats)
- set_file_stats_(iterator->filename, &iterator->stats);
- }
- if(0 != iterator->filename) {
- free(iterator->filename);
- iterator->filename = 0;
- }
- if(0 != iterator->tempfile_path_prefix) {
- free(iterator->tempfile_path_prefix);
- iterator->tempfile_path_prefix = 0;
- }
-}
-
-FLAC_API void FLAC__metadata_simple_iterator_delete(FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
-
- simple_iterator_free_guts_(iterator);
- free(iterator);
-}
-
-FLAC_API FLAC__Metadata_SimpleIteratorStatus FLAC__metadata_simple_iterator_status(FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__Metadata_SimpleIteratorStatus status;
-
- FLAC__ASSERT(0 != iterator);
-
- status = iterator->status;
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
- return status;
-}
-
-static FLAC__bool simple_iterator_prime_input_(FLAC__Metadata_SimpleIterator *iterator, FLAC__bool read_only)
-{
- unsigned ret;
-
- FLAC__ASSERT(0 != iterator);
-
- if(read_only || 0 == (iterator->file = fopen(iterator->filename, "r+b"))) {
- iterator->is_writable = false;
- if(read_only || errno == EACCES) {
- if(0 == (iterator->file = fopen(iterator->filename, "rb"))) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ERROR_OPENING_FILE;
- return false;
- }
- }
- else {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ERROR_OPENING_FILE;
- return false;
- }
- }
- else {
- iterator->is_writable = true;
- }
-
- ret = seek_to_first_metadata_block_(iterator->file);
- switch(ret) {
- case 0:
- iterator->depth = 0;
- iterator->first_offset = iterator->offset[iterator->depth] = ftello(iterator->file);
- return read_metadata_block_header_(iterator);
- case 1:
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- return false;
- case 2:
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- case 3:
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_NOT_A_FLAC_FILE;
- return false;
- default:
- FLAC__ASSERT(0);
- return false;
- }
-}
-
-#if 0
-@@@ If we decide to finish implementing this, put this comment back in metadata.h
-/*
- * The 'tempfile_path_prefix' allows you to specify a directory where
- * tempfiles should go. Remember that if your metadata edits cause the
- * FLAC file to grow, the entire file will have to be rewritten. If
- * 'tempfile_path_prefix' is NULL, the temp file will be written in the
- * same directory as the original FLAC file. This makes replacing the
- * original with the tempfile fast but requires extra space in the same
- * partition for the tempfile. If space is a problem, you can pass a
- * directory name belonging to a different partition in
- * 'tempfile_path_prefix'. Note that you should use the forward slash
- * '/' as the directory separator. A trailing slash is not needed; it
- * will be added automatically.
- */
-FLAC__bool FLAC__metadata_simple_iterator_init(FLAC__Metadata_SimpleIterator *iterator, const char *filename, FLAC__bool preserve_file_stats, const char *tempfile_path_prefix);
-#endif
-
-FLAC_API FLAC__bool FLAC__metadata_simple_iterator_init(FLAC__Metadata_SimpleIterator *iterator, const char *filename, FLAC__bool read_only, FLAC__bool preserve_file_stats)
-{
- const char *tempfile_path_prefix = 0; /*@@@ search for comments near 'rename(...)' for what it will take to finish implementing this */
-
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != filename);
-
- simple_iterator_free_guts_(iterator);
-
- if(!read_only && preserve_file_stats)
- iterator->has_stats = get_file_stats_(filename, &iterator->stats);
-
- if(0 == (iterator->filename = strdup(filename))) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
- return false;
- }
- if(0 != tempfile_path_prefix && 0 == (iterator->tempfile_path_prefix = strdup(tempfile_path_prefix))) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
- return false;
- }
-
- return simple_iterator_prime_input_(iterator, read_only);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_simple_iterator_is_writable(const FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
-
- return iterator->is_writable;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_simple_iterator_next(FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
-
- if(iterator->is_last)
- return false;
-
- if(0 != fseeko(iterator->file, iterator->length, SEEK_CUR)) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
-
- iterator->offset[iterator->depth] = ftello(iterator->file);
-
- return read_metadata_block_header_(iterator);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_simple_iterator_prev(FLAC__Metadata_SimpleIterator *iterator)
-{
- off_t this_offset;
-
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
-
- if(iterator->offset[iterator->depth] == iterator->first_offset)
- return false;
-
- if(0 != fseeko(iterator->file, iterator->first_offset, SEEK_SET)) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
- this_offset = iterator->first_offset;
- if(!read_metadata_block_header_(iterator))
- return false;
-
- /* we ignore any error from ftello() and catch it in fseeko() */
- while(ftello(iterator->file) + (off_t)iterator->length < iterator->offset[iterator->depth]) {
- if(0 != fseeko(iterator->file, iterator->length, SEEK_CUR)) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
- this_offset = ftello(iterator->file);
- if(!read_metadata_block_header_(iterator))
- return false;
- }
-
- iterator->offset[iterator->depth] = this_offset;
-
- return true;
-}
-
-/*@@@@add to tests*/
-FLAC_API FLAC__bool FLAC__metadata_simple_iterator_is_last(const FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
-
- return iterator->is_last;
-}
-
-/*@@@@add to tests*/
-FLAC_API off_t FLAC__metadata_simple_iterator_get_block_offset(const FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
-
- return iterator->offset[iterator->depth];
-}
-
-FLAC_API FLAC__MetadataType FLAC__metadata_simple_iterator_get_block_type(const FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
-
- return iterator->type;
-}
-
-/*@@@@add to tests*/
-FLAC_API unsigned FLAC__metadata_simple_iterator_get_block_length(const FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
-
- return iterator->length;
-}
-
-/*@@@@add to tests*/
-FLAC_API FLAC__bool FLAC__metadata_simple_iterator_get_application_id(FLAC__Metadata_SimpleIterator *iterator, FLAC__byte *id)
-{
- const unsigned id_bytes = FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8;
-
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
- FLAC__ASSERT(0 != id);
-
- if(iterator->type != FLAC__METADATA_TYPE_APPLICATION) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT;
- return false;
- }
-
- if(fread(id, 1, id_bytes, iterator->file) != id_bytes) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- return false;
- }
-
- /* back up */
- if(0 != fseeko(iterator->file, -((int)id_bytes), SEEK_CUR)) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
-
- return true;
-}
-
-FLAC_API FLAC__StreamMetadata *FLAC__metadata_simple_iterator_get_block(FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__StreamMetadata *block = FLAC__metadata_object_new(iterator->type);
-
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
-
- if(0 != block) {
- block->is_last = iterator->is_last;
- block->length = iterator->length;
-
- if(!read_metadata_block_data_(iterator, block)) {
- FLAC__metadata_object_delete(block);
- return 0;
- }
-
- /* back up to the beginning of the block data to stay consistent */
- if(0 != fseeko(iterator->file, iterator->offset[iterator->depth] + FLAC__STREAM_METADATA_HEADER_LENGTH, SEEK_SET)) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- FLAC__metadata_object_delete(block);
- return 0;
- }
- }
- else
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
-
- return block;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_simple_iterator_set_block(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block, FLAC__bool use_padding)
-{
- FLAC__ASSERT_DECLARATION(off_t debug_target_offset = iterator->offset[iterator->depth];)
- FLAC__bool ret;
-
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
- FLAC__ASSERT(0 != block);
-
- if(!iterator->is_writable) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_NOT_WRITABLE;
- return false;
- }
-
- if(iterator->type == FLAC__METADATA_TYPE_STREAMINFO || block->type == FLAC__METADATA_TYPE_STREAMINFO) {
- if(iterator->type != block->type) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT;
- return false;
- }
- }
-
- block->is_last = iterator->is_last;
-
- if(iterator->length == block->length)
- return write_metadata_block_stationary_(iterator, block);
- else if(iterator->length > block->length) {
- if(use_padding && iterator->length >= FLAC__STREAM_METADATA_HEADER_LENGTH + block->length) {
- ret = write_metadata_block_stationary_with_padding_(iterator, block, iterator->length - FLAC__STREAM_METADATA_HEADER_LENGTH - block->length, block->is_last);
- FLAC__ASSERT(!ret || iterator->offset[iterator->depth] == debug_target_offset);
- FLAC__ASSERT(!ret || ftello(iterator->file) == debug_target_offset + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH);
- return ret;
- }
- else {
- ret = rewrite_whole_file_(iterator, block, /*append=*/false);
- FLAC__ASSERT(!ret || iterator->offset[iterator->depth] == debug_target_offset);
- FLAC__ASSERT(!ret || ftello(iterator->file) == debug_target_offset + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH);
- return ret;
- }
- }
- else /* iterator->length < block->length */ {
- unsigned padding_leftover = 0;
- FLAC__bool padding_is_last = false;
- if(use_padding) {
- /* first see if we can even use padding */
- if(iterator->is_last) {
- use_padding = false;
- }
- else {
- const unsigned extra_padding_bytes_required = block->length - iterator->length;
- simple_iterator_push_(iterator);
- if(!FLAC__metadata_simple_iterator_next(iterator)) {
- (void)simple_iterator_pop_(iterator);
- return false;
- }
- if(iterator->type != FLAC__METADATA_TYPE_PADDING) {
- use_padding = false;
- }
- else {
- if(FLAC__STREAM_METADATA_HEADER_LENGTH + iterator->length == extra_padding_bytes_required) {
- padding_leftover = 0;
- block->is_last = iterator->is_last;
- }
- else if(iterator->length < extra_padding_bytes_required)
- use_padding = false;
- else {
- padding_leftover = FLAC__STREAM_METADATA_HEADER_LENGTH + iterator->length - extra_padding_bytes_required;
- padding_is_last = iterator->is_last;
- block->is_last = false;
- }
- }
- if(!simple_iterator_pop_(iterator))
- return false;
- }
- }
- if(use_padding) {
- if(padding_leftover == 0) {
- ret = write_metadata_block_stationary_(iterator, block);
- FLAC__ASSERT(!ret || iterator->offset[iterator->depth] == debug_target_offset);
- FLAC__ASSERT(!ret || ftello(iterator->file) == debug_target_offset + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH);
- return ret;
- }
- else {
- FLAC__ASSERT(padding_leftover >= FLAC__STREAM_METADATA_HEADER_LENGTH);
- ret = write_metadata_block_stationary_with_padding_(iterator, block, padding_leftover - FLAC__STREAM_METADATA_HEADER_LENGTH, padding_is_last);
- FLAC__ASSERT(!ret || iterator->offset[iterator->depth] == debug_target_offset);
- FLAC__ASSERT(!ret || ftello(iterator->file) == debug_target_offset + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH);
- return ret;
- }
- }
- else {
- ret = rewrite_whole_file_(iterator, block, /*append=*/false);
- FLAC__ASSERT(!ret || iterator->offset[iterator->depth] == debug_target_offset);
- FLAC__ASSERT(!ret || ftello(iterator->file) == debug_target_offset + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH);
- return ret;
- }
- }
-}
-
-FLAC_API FLAC__bool FLAC__metadata_simple_iterator_insert_block_after(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block, FLAC__bool use_padding)
-{
- unsigned padding_leftover = 0;
- FLAC__bool padding_is_last = false;
-
- FLAC__ASSERT_DECLARATION(off_t debug_target_offset = iterator->offset[iterator->depth] + FLAC__STREAM_METADATA_HEADER_LENGTH + iterator->length;)
- FLAC__bool ret;
-
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
- FLAC__ASSERT(0 != block);
-
- if(!iterator->is_writable)
- return false;
-
- if(block->type == FLAC__METADATA_TYPE_STREAMINFO) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT;
- return false;
- }
-
- block->is_last = iterator->is_last;
-
- if(use_padding) {
- /* first see if we can even use padding */
- if(iterator->is_last) {
- use_padding = false;
- }
- else {
- simple_iterator_push_(iterator);
- if(!FLAC__metadata_simple_iterator_next(iterator)) {
- (void)simple_iterator_pop_(iterator);
- return false;
- }
- if(iterator->type != FLAC__METADATA_TYPE_PADDING) {
- use_padding = false;
- }
- else {
- if(iterator->length == block->length) {
- padding_leftover = 0;
- block->is_last = iterator->is_last;
- }
- else if(iterator->length < FLAC__STREAM_METADATA_HEADER_LENGTH + block->length)
- use_padding = false;
- else {
- padding_leftover = iterator->length - block->length;
- padding_is_last = iterator->is_last;
- block->is_last = false;
- }
- }
- if(!simple_iterator_pop_(iterator))
- return false;
- }
- }
- if(use_padding) {
- /* move to the next block, which is suitable padding */
- if(!FLAC__metadata_simple_iterator_next(iterator))
- return false;
- if(padding_leftover == 0) {
- ret = write_metadata_block_stationary_(iterator, block);
- FLAC__ASSERT(iterator->offset[iterator->depth] == debug_target_offset);
- FLAC__ASSERT(ftello(iterator->file) == debug_target_offset + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH);
- return ret;
- }
- else {
- FLAC__ASSERT(padding_leftover >= FLAC__STREAM_METADATA_HEADER_LENGTH);
- ret = write_metadata_block_stationary_with_padding_(iterator, block, padding_leftover - FLAC__STREAM_METADATA_HEADER_LENGTH, padding_is_last);
- FLAC__ASSERT(iterator->offset[iterator->depth] == debug_target_offset);
- FLAC__ASSERT(ftello(iterator->file) == debug_target_offset + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH);
- return ret;
- }
- }
- else {
- ret = rewrite_whole_file_(iterator, block, /*append=*/true);
- FLAC__ASSERT(iterator->offset[iterator->depth] == debug_target_offset);
- FLAC__ASSERT(ftello(iterator->file) == debug_target_offset + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH);
- return ret;
- }
-}
-
-FLAC_API FLAC__bool FLAC__metadata_simple_iterator_delete_block(FLAC__Metadata_SimpleIterator *iterator, FLAC__bool use_padding)
-{
- FLAC__ASSERT_DECLARATION(off_t debug_target_offset = iterator->offset[iterator->depth];)
- FLAC__bool ret;
-
- if(iterator->type == FLAC__METADATA_TYPE_STREAMINFO) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT;
- return false;
- }
-
- if(use_padding) {
- FLAC__StreamMetadata *padding = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING);
- if(0 == padding) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
- return false;
- }
- padding->length = iterator->length;
- if(!FLAC__metadata_simple_iterator_set_block(iterator, padding, false)) {
- FLAC__metadata_object_delete(padding);
- return false;
- }
- FLAC__metadata_object_delete(padding);
- if(!FLAC__metadata_simple_iterator_prev(iterator))
- return false;
- FLAC__ASSERT(iterator->offset[iterator->depth] + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH + (off_t)iterator->length == debug_target_offset);
- FLAC__ASSERT(ftello(iterator->file) + (off_t)iterator->length == debug_target_offset);
- return true;
- }
- else {
- ret = rewrite_whole_file_(iterator, 0, /*append=*/false);
- FLAC__ASSERT(iterator->offset[iterator->depth] + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH + (off_t)iterator->length == debug_target_offset);
- FLAC__ASSERT(ftello(iterator->file) + (off_t)iterator->length == debug_target_offset);
- return ret;
- }
-}
-
-
-
-/****************************************************************************
- *
- * Level 2 implementation
- *
- ***************************************************************************/
-
-
-typedef struct FLAC__Metadata_Node {
- FLAC__StreamMetadata *data;
- struct FLAC__Metadata_Node *prev, *next;
-} FLAC__Metadata_Node;
-
-struct FLAC__Metadata_Chain {
- char *filename; /* will be NULL if using callbacks */
- FLAC__bool is_ogg;
- FLAC__Metadata_Node *head;
- FLAC__Metadata_Node *tail;
- unsigned nodes;
- FLAC__Metadata_ChainStatus status;
- off_t first_offset, last_offset;
- /*
- * This is the length of the chain initially read from the FLAC file.
- * it is used to compare against the current length to decide whether
- * or not the whole file has to be rewritten.
- */
- off_t initial_length;
- /* @@@ hacky, these are currently only needed by ogg reader */
- FLAC__IOHandle handle;
- FLAC__IOCallback_Read read_cb;
-};
-
-struct FLAC__Metadata_Iterator {
- FLAC__Metadata_Chain *chain;
- FLAC__Metadata_Node *current;
-};
-
-FLAC_API const char * const FLAC__Metadata_ChainStatusString[] = {
- "FLAC__METADATA_CHAIN_STATUS_OK",
- "FLAC__METADATA_CHAIN_STATUS_ILLEGAL_INPUT",
- "FLAC__METADATA_CHAIN_STATUS_ERROR_OPENING_FILE",
- "FLAC__METADATA_CHAIN_STATUS_NOT_A_FLAC_FILE",
- "FLAC__METADATA_CHAIN_STATUS_NOT_WRITABLE",
- "FLAC__METADATA_CHAIN_STATUS_BAD_METADATA",
- "FLAC__METADATA_CHAIN_STATUS_READ_ERROR",
- "FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR",
- "FLAC__METADATA_CHAIN_STATUS_WRITE_ERROR",
- "FLAC__METADATA_CHAIN_STATUS_RENAME_ERROR",
- "FLAC__METADATA_CHAIN_STATUS_UNLINK_ERROR",
- "FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR",
- "FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR",
- "FLAC__METADATA_CHAIN_STATUS_INVALID_CALLBACKS",
- "FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH",
- "FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL"
-};
-
-
-static FLAC__Metadata_Node *node_new_(void)
-{
- return (FLAC__Metadata_Node*)calloc(1, sizeof(FLAC__Metadata_Node));
-}
-
-static void node_delete_(FLAC__Metadata_Node *node)
-{
- FLAC__ASSERT(0 != node);
- if(0 != node->data)
- FLAC__metadata_object_delete(node->data);
- free(node);
-}
-
-static void chain_init_(FLAC__Metadata_Chain *chain)
-{
- FLAC__ASSERT(0 != chain);
-
- chain->filename = 0;
- chain->is_ogg = false;
- chain->head = chain->tail = 0;
- chain->nodes = 0;
- chain->status = FLAC__METADATA_CHAIN_STATUS_OK;
- chain->initial_length = 0;
- chain->read_cb = 0;
-}
-
-static void chain_clear_(FLAC__Metadata_Chain *chain)
-{
- FLAC__Metadata_Node *node, *next;
-
- FLAC__ASSERT(0 != chain);
-
- for(node = chain->head; node; ) {
- next = node->next;
- node_delete_(node);
- node = next;
- }
-
- if(0 != chain->filename)
- free(chain->filename);
-
- chain_init_(chain);
-}
-
-static void chain_append_node_(FLAC__Metadata_Chain *chain, FLAC__Metadata_Node *node)
-{
- FLAC__ASSERT(0 != chain);
- FLAC__ASSERT(0 != node);
- FLAC__ASSERT(0 != node->data);
-
- node->next = node->prev = 0;
- node->data->is_last = true;
- if(0 != chain->tail)
- chain->tail->data->is_last = false;
-
- if(0 == chain->head)
- chain->head = node;
- else {
- FLAC__ASSERT(0 != chain->tail);
- chain->tail->next = node;
- node->prev = chain->tail;
- }
- chain->tail = node;
- chain->nodes++;
-}
-
-static void chain_remove_node_(FLAC__Metadata_Chain *chain, FLAC__Metadata_Node *node)
-{
- FLAC__ASSERT(0 != chain);
- FLAC__ASSERT(0 != node);
-
- if(node == chain->head)
- chain->head = node->next;
- else
- node->prev->next = node->next;
-
- if(node == chain->tail)
- chain->tail = node->prev;
- else
- node->next->prev = node->prev;
-
- if(0 != chain->tail)
- chain->tail->data->is_last = true;
-
- chain->nodes--;
-}
-
-static void chain_delete_node_(FLAC__Metadata_Chain *chain, FLAC__Metadata_Node *node)
-{
- chain_remove_node_(chain, node);
- node_delete_(node);
-}
-
-static off_t chain_calculate_length_(FLAC__Metadata_Chain *chain)
-{
- const FLAC__Metadata_Node *node;
- off_t length = 0;
- for(node = chain->head; node; node = node->next)
- length += (FLAC__STREAM_METADATA_HEADER_LENGTH + node->data->length);
- return length;
-}
-
-static void iterator_insert_node_(FLAC__Metadata_Iterator *iterator, FLAC__Metadata_Node *node)
-{
- FLAC__ASSERT(0 != node);
- FLAC__ASSERT(0 != node->data);
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->current);
- FLAC__ASSERT(0 != iterator->chain);
- FLAC__ASSERT(0 != iterator->chain->head);
- FLAC__ASSERT(0 != iterator->chain->tail);
-
- node->data->is_last = false;
-
- node->prev = iterator->current->prev;
- node->next = iterator->current;
-
- if(0 == node->prev)
- iterator->chain->head = node;
- else
- node->prev->next = node;
-
- iterator->current->prev = node;
-
- iterator->chain->nodes++;
-}
-
-static void iterator_insert_node_after_(FLAC__Metadata_Iterator *iterator, FLAC__Metadata_Node *node)
-{
- FLAC__ASSERT(0 != node);
- FLAC__ASSERT(0 != node->data);
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->current);
- FLAC__ASSERT(0 != iterator->chain);
- FLAC__ASSERT(0 != iterator->chain->head);
- FLAC__ASSERT(0 != iterator->chain->tail);
-
- iterator->current->data->is_last = false;
-
- node->prev = iterator->current;
- node->next = iterator->current->next;
-
- if(0 == node->next)
- iterator->chain->tail = node;
- else
- node->next->prev = node;
-
- node->prev->next = node;
-
- iterator->chain->tail->data->is_last = true;
-
- iterator->chain->nodes++;
-}
-
-/* return true iff node and node->next are both padding */
-static FLAC__bool chain_merge_adjacent_padding_(FLAC__Metadata_Chain *chain, FLAC__Metadata_Node *node)
-{
- if(node->data->type == FLAC__METADATA_TYPE_PADDING && 0 != node->next && node->next->data->type == FLAC__METADATA_TYPE_PADDING) {
- const unsigned growth = FLAC__STREAM_METADATA_HEADER_LENGTH + node->next->data->length;
- node->data->length += growth;
-
- chain_delete_node_(chain, node->next);
- return true;
- }
- else
- return false;
-}
-
-/* Returns the new length of the chain, or 0 if there was an error. */
-/* WATCHOUT: This can get called multiple times before a write, so
- * it should still work when this happens.
- */
-/* WATCHOUT: Make sure to also update the logic in
- * FLAC__metadata_chain_check_if_tempfile_needed() if the logic here changes.
- */
-static off_t chain_prepare_for_write_(FLAC__Metadata_Chain *chain, FLAC__bool use_padding)
-{
- off_t current_length = chain_calculate_length_(chain);
-
- if(use_padding) {
- /* if the metadata shrank and the last block is padding, we just extend the last padding block */
- if(current_length < chain->initial_length && chain->tail->data->type == FLAC__METADATA_TYPE_PADDING) {
- const off_t delta = chain->initial_length - current_length;
- chain->tail->data->length += delta;
- current_length += delta;
- FLAC__ASSERT(current_length == chain->initial_length);
- }
- /* if the metadata shrank more than 4 bytes then there's room to add another padding block */
- else if(current_length + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH <= chain->initial_length) {
- FLAC__StreamMetadata *padding;
- FLAC__Metadata_Node *node;
- if(0 == (padding = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING))) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR;
- return 0;
- }
- padding->length = chain->initial_length - (FLAC__STREAM_METADATA_HEADER_LENGTH + current_length);
- if(0 == (node = node_new_())) {
- FLAC__metadata_object_delete(padding);
- chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR;
- return 0;
- }
- node->data = padding;
- chain_append_node_(chain, node);
- current_length = chain_calculate_length_(chain);
- FLAC__ASSERT(current_length == chain->initial_length);
- }
- /* if the metadata grew but the last block is padding, try cutting the padding to restore the original length so we don't have to rewrite the whole file */
- else if(current_length > chain->initial_length) {
- const off_t delta = current_length - chain->initial_length;
- if(chain->tail->data->type == FLAC__METADATA_TYPE_PADDING) {
- /* if the delta is exactly the size of the last padding block, remove the padding block */
- if((off_t)chain->tail->data->length + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH == delta) {
- chain_delete_node_(chain, chain->tail);
- current_length = chain_calculate_length_(chain);
- FLAC__ASSERT(current_length == chain->initial_length);
- }
- /* if there is at least 'delta' bytes of padding, trim the padding down */
- else if((off_t)chain->tail->data->length >= delta) {
- chain->tail->data->length -= delta;
- current_length -= delta;
- FLAC__ASSERT(current_length == chain->initial_length);
- }
- }
- }
- }
-
- return current_length;
-}
-
-static FLAC__bool chain_read_cb_(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Seek seek_cb, FLAC__IOCallback_Tell tell_cb)
-{
- FLAC__Metadata_Node *node;
-
- FLAC__ASSERT(0 != chain);
-
- /* we assume we're already at the beginning of the file */
-
- switch(seek_to_first_metadata_block_cb_(handle, read_cb, seek_cb)) {
- case 0:
- break;
- case 1:
- chain->status = FLAC__METADATA_CHAIN_STATUS_READ_ERROR;
- return false;
- case 2:
- chain->status = FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR;
- return false;
- case 3:
- chain->status = FLAC__METADATA_CHAIN_STATUS_NOT_A_FLAC_FILE;
- return false;
- default:
- FLAC__ASSERT(0);
- return false;
- }
-
- {
- FLAC__int64 pos = tell_cb(handle);
- if(pos < 0) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_READ_ERROR;
- return false;
- }
- chain->first_offset = (off_t)pos;
- }
-
- {
- FLAC__bool is_last;
- FLAC__MetadataType type;
- unsigned length;
-
- do {
- node = node_new_();
- if(0 == node) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR;
- return false;
- }
-
- if(!read_metadata_block_header_cb_(handle, read_cb, &is_last, &type, &length)) {
- node_delete_(node);
- chain->status = FLAC__METADATA_CHAIN_STATUS_READ_ERROR;
- return false;
- }
-
- node->data = FLAC__metadata_object_new(type);
- if(0 == node->data) {
- node_delete_(node);
- chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR;
- return false;
- }
-
- node->data->is_last = is_last;
- node->data->length = length;
-
- chain->status = get_equivalent_status_(read_metadata_block_data_cb_(handle, read_cb, seek_cb, node->data));
- if(chain->status != FLAC__METADATA_CHAIN_STATUS_OK) {
- node_delete_(node);
- return false;
- }
- chain_append_node_(chain, node);
- } while(!is_last);
- }
-
- {
- FLAC__int64 pos = tell_cb(handle);
- if(pos < 0) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_READ_ERROR;
- return false;
- }
- chain->last_offset = (off_t)pos;
- }
-
- chain->initial_length = chain_calculate_length_(chain);
-
- return true;
-}
-
-static FLAC__StreamDecoderReadStatus chain_read_ogg_read_cb_(const FLAC__StreamDecoder *decoder, FLAC__byte buffer[], size_t *bytes, void *client_data)
-{
- FLAC__Metadata_Chain *chain = (FLAC__Metadata_Chain*)client_data;
- (void)decoder;
- if(*bytes > 0 && chain->status == FLAC__METADATA_CHAIN_STATUS_OK) {
- *bytes = chain->read_cb(buffer, sizeof(FLAC__byte), *bytes, chain->handle);
- if(*bytes == 0)
- return FLAC__STREAM_DECODER_READ_STATUS_END_OF_STREAM;
- else
- return FLAC__STREAM_DECODER_READ_STATUS_CONTINUE;
- }
- else
- return FLAC__STREAM_DECODER_READ_STATUS_ABORT;
-}
-
-static FLAC__StreamDecoderWriteStatus chain_read_ogg_write_cb_(const FLAC__StreamDecoder *decoder, const FLAC__Frame *frame, const FLAC__int32 * const buffer[], void *client_data)
-{
- (void)decoder, (void)frame, (void)buffer, (void)client_data;
- return FLAC__STREAM_DECODER_WRITE_STATUS_ABORT;
-}
-
-static void chain_read_ogg_metadata_cb_(const FLAC__StreamDecoder *decoder, const FLAC__StreamMetadata *metadata, void *client_data)
-{
- FLAC__Metadata_Chain *chain = (FLAC__Metadata_Chain*)client_data;
- FLAC__Metadata_Node *node;
-
- (void)decoder;
-
- node = node_new_();
- if(0 == node) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR;
- return;
- }
-
- node->data = FLAC__metadata_object_clone(metadata);
- if(0 == node->data) {
- node_delete_(node);
- chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR;
- return;
- }
-
- chain_append_node_(chain, node);
-}
-
-static void chain_read_ogg_error_cb_(const FLAC__StreamDecoder *decoder, FLAC__StreamDecoderErrorStatus status, void *client_data)
-{
- FLAC__Metadata_Chain *chain = (FLAC__Metadata_Chain*)client_data;
- (void)decoder, (void)status;
- chain->status = FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR; /*@@@ maybe needs better error code */
-}
-
-static FLAC__bool chain_read_ogg_cb_(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb)
-{
- FLAC__StreamDecoder *decoder;
-
- FLAC__ASSERT(0 != chain);
-
- /* we assume we're already at the beginning of the file */
-
- chain->handle = handle;
- chain->read_cb = read_cb;
- if(0 == (decoder = FLAC__stream_decoder_new())) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR;
- return false;
- }
- FLAC__stream_decoder_set_metadata_respond_all(decoder);
- if(FLAC__stream_decoder_init_ogg_stream(decoder, chain_read_ogg_read_cb_, /*seek_callback=*/0, /*tell_callback=*/0, /*length_callback=*/0, /*eof_callback=*/0, chain_read_ogg_write_cb_, chain_read_ogg_metadata_cb_, chain_read_ogg_error_cb_, chain) != FLAC__STREAM_DECODER_INIT_STATUS_OK) {
- FLAC__stream_decoder_delete(decoder);
- chain->status = FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR; /*@@@ maybe needs better error code */
- return false;
- }
-
- chain->first_offset = 0; /*@@@ wrong; will need to be set correctly to implement metadata writing for Ogg FLAC */
-
- if(!FLAC__stream_decoder_process_until_end_of_metadata(decoder))
- chain->status = FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR; /*@@@ maybe needs better error code */
- if(chain->status != FLAC__METADATA_CHAIN_STATUS_OK) {
- FLAC__stream_decoder_delete(decoder);
- return false;
- }
-
- FLAC__stream_decoder_delete(decoder);
-
- chain->last_offset = 0; /*@@@ wrong; will need to be set correctly to implement metadata writing for Ogg FLAC */
-
- chain->initial_length = chain_calculate_length_(chain);
-
- return true;
-}
-
-static FLAC__bool chain_rewrite_metadata_in_place_cb_(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, FLAC__IOCallback_Seek seek_cb)
-{
- FLAC__Metadata_Node *node;
-
- FLAC__ASSERT(0 != chain);
- FLAC__ASSERT(0 != chain->head);
-
- if(0 != seek_cb(handle, chain->first_offset, SEEK_SET)) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR;
- return false;
- }
-
- for(node = chain->head; node; node = node->next) {
- if(!write_metadata_block_header_cb_(handle, write_cb, node->data)) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_WRITE_ERROR;
- return false;
- }
- if(!write_metadata_block_data_cb_(handle, write_cb, node->data)) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_WRITE_ERROR;
- return false;
- }
- }
-
- /*FLAC__ASSERT(fflush(), ftello() == chain->last_offset);*/
-
- chain->status = FLAC__METADATA_CHAIN_STATUS_OK;
- return true;
-}
-
-static FLAC__bool chain_rewrite_metadata_in_place_(FLAC__Metadata_Chain *chain)
-{
- FILE *file;
- FLAC__bool ret;
-
- FLAC__ASSERT(0 != chain->filename);
-
- if(0 == (file = fopen(chain->filename, "r+b"))) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_ERROR_OPENING_FILE;
- return false;
- }
-
- /* chain_rewrite_metadata_in_place_cb_() sets chain->status for us */
- ret = chain_rewrite_metadata_in_place_cb_(chain, (FLAC__IOHandle)file, (FLAC__IOCallback_Write)fwrite, fseek_wrapper_);
-
- fclose(file);
-
- return ret;
-}
-
-static FLAC__bool chain_rewrite_file_(FLAC__Metadata_Chain *chain, const char *tempfile_path_prefix)
-{
- FILE *f, *tempfile;
- char *tempfilename;
- FLAC__Metadata_SimpleIteratorStatus status;
- const FLAC__Metadata_Node *node;
-
- FLAC__ASSERT(0 != chain);
- FLAC__ASSERT(0 != chain->filename);
- FLAC__ASSERT(0 != chain->head);
-
- /* copy the file prefix (data up to first metadata block */
- if(0 == (f = fopen(chain->filename, "rb"))) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_ERROR_OPENING_FILE;
- return false;
- }
- if(!open_tempfile_(chain->filename, tempfile_path_prefix, &tempfile, &tempfilename, &status)) {
- chain->status = get_equivalent_status_(status);
- cleanup_tempfile_(&tempfile, &tempfilename);
- return false;
- }
- if(!copy_n_bytes_from_file_(f, tempfile, chain->first_offset, &status)) {
- chain->status = get_equivalent_status_(status);
- cleanup_tempfile_(&tempfile, &tempfilename);
- return false;
- }
-
- /* write the metadata */
- for(node = chain->head; node; node = node->next) {
- if(!write_metadata_block_header_(tempfile, &status, node->data)) {
- chain->status = get_equivalent_status_(status);
- return false;
- }
- if(!write_metadata_block_data_(tempfile, &status, node->data)) {
- chain->status = get_equivalent_status_(status);
- return false;
- }
- }
- /*FLAC__ASSERT(fflush(), ftello() == chain->last_offset);*/
-
- /* copy the file postfix (everything after the metadata) */
- if(0 != fseeko(f, chain->last_offset, SEEK_SET)) {
- cleanup_tempfile_(&tempfile, &tempfilename);
- chain->status = FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR;
- return false;
- }
- if(!copy_remaining_bytes_from_file_(f, tempfile, &status)) {
- cleanup_tempfile_(&tempfile, &tempfilename);
- chain->status = get_equivalent_status_(status);
- return false;
- }
-
- /* move the tempfile on top of the original */
- (void)fclose(f);
- if(!transport_tempfile_(chain->filename, &tempfile, &tempfilename, &status))
- return false;
-
- return true;
-}
-
-/* assumes 'handle' is already at beginning of file */
-static FLAC__bool chain_rewrite_file_cb_(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Seek seek_cb, FLAC__IOCallback_Eof eof_cb, FLAC__IOHandle temp_handle, FLAC__IOCallback_Write temp_write_cb)
-{
- FLAC__Metadata_SimpleIteratorStatus status;
- const FLAC__Metadata_Node *node;
-
- FLAC__ASSERT(0 != chain);
- FLAC__ASSERT(0 == chain->filename);
- FLAC__ASSERT(0 != chain->head);
-
- /* copy the file prefix (data up to first metadata block */
- if(!copy_n_bytes_from_file_cb_(handle, read_cb, temp_handle, temp_write_cb, chain->first_offset, &status)) {
- chain->status = get_equivalent_status_(status);
- return false;
- }
-
- /* write the metadata */
- for(node = chain->head; node; node = node->next) {
- if(!write_metadata_block_header_cb_(temp_handle, temp_write_cb, node->data)) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_WRITE_ERROR;
- return false;
- }
- if(!write_metadata_block_data_cb_(temp_handle, temp_write_cb, node->data)) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_WRITE_ERROR;
- return false;
- }
- }
- /*FLAC__ASSERT(fflush(), ftello() == chain->last_offset);*/
-
- /* copy the file postfix (everything after the metadata) */
- if(0 != seek_cb(handle, chain->last_offset, SEEK_SET)) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR;
- return false;
- }
- if(!copy_remaining_bytes_from_file_cb_(handle, read_cb, eof_cb, temp_handle, temp_write_cb, &status)) {
- chain->status = get_equivalent_status_(status);
- return false;
- }
-
- return true;
-}
-
-FLAC_API FLAC__Metadata_Chain *FLAC__metadata_chain_new(void)
-{
- FLAC__Metadata_Chain *chain = (FLAC__Metadata_Chain*)calloc(1, sizeof(FLAC__Metadata_Chain));
-
- if(0 != chain)
- chain_init_(chain);
-
- return chain;
-}
-
-FLAC_API void FLAC__metadata_chain_delete(FLAC__Metadata_Chain *chain)
-{
- FLAC__ASSERT(0 != chain);
-
- chain_clear_(chain);
-
- free(chain);
-}
-
-FLAC_API FLAC__Metadata_ChainStatus FLAC__metadata_chain_status(FLAC__Metadata_Chain *chain)
-{
- FLAC__Metadata_ChainStatus status;
-
- FLAC__ASSERT(0 != chain);
-
- status = chain->status;
- chain->status = FLAC__METADATA_CHAIN_STATUS_OK;
- return status;
-}
-
-static FLAC__bool chain_read_(FLAC__Metadata_Chain *chain, const char *filename, FLAC__bool is_ogg)
-{
- FILE *file;
- FLAC__bool ret;
-
- FLAC__ASSERT(0 != chain);
- FLAC__ASSERT(0 != filename);
-
- chain_clear_(chain);
-
- if(0 == (chain->filename = strdup(filename))) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR;
- return false;
- }
-
- chain->is_ogg = is_ogg;
-
- if(0 == (file = fopen(filename, "rb"))) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_ERROR_OPENING_FILE;
- return false;
- }
-
- /* the function also sets chain->status for us */
- ret = is_ogg?
- chain_read_ogg_cb_(chain, file, (FLAC__IOCallback_Read)fread) :
- chain_read_cb_(chain, file, (FLAC__IOCallback_Read)fread, fseek_wrapper_, ftell_wrapper_)
- ;
-
- fclose(file);
-
- return ret;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_chain_read(FLAC__Metadata_Chain *chain, const char *filename)
-{
- return chain_read_(chain, filename, /*is_ogg=*/false);
-}
-
-/*@@@@add to tests*/
-FLAC_API FLAC__bool FLAC__metadata_chain_read_ogg(FLAC__Metadata_Chain *chain, const char *filename)
-{
- return chain_read_(chain, filename, /*is_ogg=*/true);
-}
-
-static FLAC__bool chain_read_with_callbacks_(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallbacks callbacks, FLAC__bool is_ogg)
-{
- FLAC__bool ret;
-
- FLAC__ASSERT(0 != chain);
-
- chain_clear_(chain);
-
- if (0 == callbacks.read || 0 == callbacks.seek || 0 == callbacks.tell) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_INVALID_CALLBACKS;
- return false;
- }
-
- chain->is_ogg = is_ogg;
-
- /* rewind */
- if(0 != callbacks.seek(handle, 0, SEEK_SET)) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR;
- return false;
- }
-
- /* the function also sets chain->status for us */
- ret = is_ogg?
- chain_read_ogg_cb_(chain, handle, callbacks.read) :
- chain_read_cb_(chain, handle, callbacks.read, callbacks.seek, callbacks.tell)
- ;
-
- return ret;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_chain_read_with_callbacks(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallbacks callbacks)
-{
- return chain_read_with_callbacks_(chain, handle, callbacks, /*is_ogg=*/false);
-}
-
-/*@@@@add to tests*/
-FLAC_API FLAC__bool FLAC__metadata_chain_read_ogg_with_callbacks(FLAC__Metadata_Chain *chain, FLAC__IOHandle handle, FLAC__IOCallbacks callbacks)
-{
- return chain_read_with_callbacks_(chain, handle, callbacks, /*is_ogg=*/true);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_chain_check_if_tempfile_needed(FLAC__Metadata_Chain *chain, FLAC__bool use_padding)
-{
- /* This does all the same checks that are in chain_prepare_for_write_()
- * but doesn't actually alter the chain. Make sure to update the logic
- * here if chain_prepare_for_write_() changes.
- */
- const off_t current_length = chain_calculate_length_(chain);
-
- FLAC__ASSERT(0 != chain);
-
- if(use_padding) {
- /* if the metadata shrank and the last block is padding, we just extend the last padding block */
- if(current_length < chain->initial_length && chain->tail->data->type == FLAC__METADATA_TYPE_PADDING)
- return false;
- /* if the metadata shrank more than 4 bytes then there's room to add another padding block */
- else if(current_length + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH <= chain->initial_length)
- return false;
- /* if the metadata grew but the last block is padding, try cutting the padding to restore the original length so we don't have to rewrite the whole file */
- else if(current_length > chain->initial_length) {
- const off_t delta = current_length - chain->initial_length;
- if(chain->tail->data->type == FLAC__METADATA_TYPE_PADDING) {
- /* if the delta is exactly the size of the last padding block, remove the padding block */
- if((off_t)chain->tail->data->length + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH == delta)
- return false;
- /* if there is at least 'delta' bytes of padding, trim the padding down */
- else if((off_t)chain->tail->data->length >= delta)
- return false;
- }
- }
- }
-
- return (current_length != chain->initial_length);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_chain_write(FLAC__Metadata_Chain *chain, FLAC__bool use_padding, FLAC__bool preserve_file_stats)
-{
- struct stat stats;
- const char *tempfile_path_prefix = 0;
- off_t current_length;
-
- FLAC__ASSERT(0 != chain);
-
- if (chain->is_ogg) { /* cannot write back to Ogg FLAC yet */
- chain->status = FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR;
- return false;
- }
-
- if (0 == chain->filename) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH;
- return false;
- }
-
- current_length = chain_prepare_for_write_(chain, use_padding);
-
- /* a return value of 0 means there was an error; chain->status is already set */
- if (0 == current_length)
- return false;
-
- if(preserve_file_stats)
- get_file_stats_(chain->filename, &stats);
-
- if(current_length == chain->initial_length) {
- if(!chain_rewrite_metadata_in_place_(chain))
- return false;
- }
- else {
- if(!chain_rewrite_file_(chain, tempfile_path_prefix))
- return false;
-
- /* recompute lengths and offsets */
- {
- const FLAC__Metadata_Node *node;
- chain->initial_length = current_length;
- chain->last_offset = chain->first_offset;
- for(node = chain->head; node; node = node->next)
- chain->last_offset += (FLAC__STREAM_METADATA_HEADER_LENGTH + node->data->length);
- }
- }
-
- if(preserve_file_stats)
- set_file_stats_(chain->filename, &stats);
-
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_chain_write_with_callbacks(FLAC__Metadata_Chain *chain, FLAC__bool use_padding, FLAC__IOHandle handle, FLAC__IOCallbacks callbacks)
-{
- off_t current_length;
-
- FLAC__ASSERT(0 != chain);
-
- if (chain->is_ogg) { /* cannot write back to Ogg FLAC yet */
- chain->status = FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR;
- return false;
- }
-
- if (0 != chain->filename) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH;
- return false;
- }
-
- if (0 == callbacks.write || 0 == callbacks.seek) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_INVALID_CALLBACKS;
- return false;
- }
-
- if (FLAC__metadata_chain_check_if_tempfile_needed(chain, use_padding)) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL;
- return false;
- }
-
- current_length = chain_prepare_for_write_(chain, use_padding);
-
- /* a return value of 0 means there was an error; chain->status is already set */
- if (0 == current_length)
- return false;
-
- FLAC__ASSERT(current_length == chain->initial_length);
-
- return chain_rewrite_metadata_in_place_cb_(chain, handle, callbacks.write, callbacks.seek);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_chain_write_with_callbacks_and_tempfile(FLAC__Metadata_Chain *chain, FLAC__bool use_padding, FLAC__IOHandle handle, FLAC__IOCallbacks callbacks, FLAC__IOHandle temp_handle, FLAC__IOCallbacks temp_callbacks)
-{
- off_t current_length;
-
- FLAC__ASSERT(0 != chain);
-
- if (chain->is_ogg) { /* cannot write back to Ogg FLAC yet */
- chain->status = FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR;
- return false;
- }
-
- if (0 != chain->filename) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_READ_WRITE_MISMATCH;
- return false;
- }
-
- if (0 == callbacks.read || 0 == callbacks.seek || 0 == callbacks.eof) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_INVALID_CALLBACKS;
- return false;
- }
- if (0 == temp_callbacks.write) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_INVALID_CALLBACKS;
- return false;
- }
-
- if (!FLAC__metadata_chain_check_if_tempfile_needed(chain, use_padding)) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_WRONG_WRITE_CALL;
- return false;
- }
-
- current_length = chain_prepare_for_write_(chain, use_padding);
-
- /* a return value of 0 means there was an error; chain->status is already set */
- if (0 == current_length)
- return false;
-
- FLAC__ASSERT(current_length != chain->initial_length);
-
- /* rewind */
- if(0 != callbacks.seek(handle, 0, SEEK_SET)) {
- chain->status = FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR;
- return false;
- }
-
- if(!chain_rewrite_file_cb_(chain, handle, callbacks.read, callbacks.seek, callbacks.eof, temp_handle, temp_callbacks.write))
- return false;
-
- /* recompute lengths and offsets */
- {
- const FLAC__Metadata_Node *node;
- chain->initial_length = current_length;
- chain->last_offset = chain->first_offset;
- for(node = chain->head; node; node = node->next)
- chain->last_offset += (FLAC__STREAM_METADATA_HEADER_LENGTH + node->data->length);
- }
-
- return true;
-}
-
-FLAC_API void FLAC__metadata_chain_merge_padding(FLAC__Metadata_Chain *chain)
-{
- FLAC__Metadata_Node *node;
-
- FLAC__ASSERT(0 != chain);
-
- for(node = chain->head; node; ) {
- if(!chain_merge_adjacent_padding_(chain, node))
- node = node->next;
- }
-}
-
-FLAC_API void FLAC__metadata_chain_sort_padding(FLAC__Metadata_Chain *chain)
-{
- FLAC__Metadata_Node *node, *save;
- unsigned i;
-
- FLAC__ASSERT(0 != chain);
-
- /*
- * Don't try and be too smart... this simple algo is good enough for
- * the small number of nodes that we deal with.
- */
- for(i = 0, node = chain->head; i < chain->nodes; i++) {
- if(node->data->type == FLAC__METADATA_TYPE_PADDING) {
- save = node->next;
- chain_remove_node_(chain, node);
- chain_append_node_(chain, node);
- node = save;
- }
- else {
- node = node->next;
- }
- }
-
- FLAC__metadata_chain_merge_padding(chain);
-}
-
-
-FLAC_API FLAC__Metadata_Iterator *FLAC__metadata_iterator_new(void)
-{
- FLAC__Metadata_Iterator *iterator = (FLAC__Metadata_Iterator*)calloc(1, sizeof(FLAC__Metadata_Iterator));
-
- /* calloc() implies:
- iterator->current = 0;
- iterator->chain = 0;
- */
-
- return iterator;
-}
-
-FLAC_API void FLAC__metadata_iterator_delete(FLAC__Metadata_Iterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
-
- free(iterator);
-}
-
-FLAC_API void FLAC__metadata_iterator_init(FLAC__Metadata_Iterator *iterator, FLAC__Metadata_Chain *chain)
-{
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != chain);
- FLAC__ASSERT(0 != chain->head);
-
- iterator->chain = chain;
- iterator->current = chain->head;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_iterator_next(FLAC__Metadata_Iterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
-
- if(0 == iterator->current || 0 == iterator->current->next)
- return false;
-
- iterator->current = iterator->current->next;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_iterator_prev(FLAC__Metadata_Iterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
-
- if(0 == iterator->current || 0 == iterator->current->prev)
- return false;
-
- iterator->current = iterator->current->prev;
- return true;
-}
-
-FLAC_API FLAC__MetadataType FLAC__metadata_iterator_get_block_type(const FLAC__Metadata_Iterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->current);
- FLAC__ASSERT(0 != iterator->current->data);
-
- return iterator->current->data->type;
-}
-
-FLAC_API FLAC__StreamMetadata *FLAC__metadata_iterator_get_block(FLAC__Metadata_Iterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->current);
-
- return iterator->current->data;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_iterator_set_block(FLAC__Metadata_Iterator *iterator, FLAC__StreamMetadata *block)
-{
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != block);
- return FLAC__metadata_iterator_delete_block(iterator, false) && FLAC__metadata_iterator_insert_block_after(iterator, block);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_iterator_delete_block(FLAC__Metadata_Iterator *iterator, FLAC__bool replace_with_padding)
-{
- FLAC__Metadata_Node *save;
-
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->current);
-
- if(0 == iterator->current->prev) {
- FLAC__ASSERT(iterator->current->data->type == FLAC__METADATA_TYPE_STREAMINFO);
- return false;
- }
-
- save = iterator->current->prev;
-
- if(replace_with_padding) {
- FLAC__metadata_object_delete_data(iterator->current->data);
- iterator->current->data->type = FLAC__METADATA_TYPE_PADDING;
- }
- else {
- chain_delete_node_(iterator->chain, iterator->current);
- }
-
- iterator->current = save;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_iterator_insert_block_before(FLAC__Metadata_Iterator *iterator, FLAC__StreamMetadata *block)
-{
- FLAC__Metadata_Node *node;
-
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->current);
- FLAC__ASSERT(0 != block);
-
- if(block->type == FLAC__METADATA_TYPE_STREAMINFO)
- return false;
-
- if(0 == iterator->current->prev) {
- FLAC__ASSERT(iterator->current->data->type == FLAC__METADATA_TYPE_STREAMINFO);
- return false;
- }
-
- if(0 == (node = node_new_()))
- return false;
-
- node->data = block;
- iterator_insert_node_(iterator, node);
- iterator->current = node;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_iterator_insert_block_after(FLAC__Metadata_Iterator *iterator, FLAC__StreamMetadata *block)
-{
- FLAC__Metadata_Node *node;
-
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->current);
- FLAC__ASSERT(0 != block);
-
- if(block->type == FLAC__METADATA_TYPE_STREAMINFO)
- return false;
-
- if(0 == (node = node_new_()))
- return false;
-
- node->data = block;
- iterator_insert_node_after_(iterator, node);
- iterator->current = node;
- return true;
-}
-
-
-/****************************************************************************
- *
- * Local function definitions
- *
- ***************************************************************************/
-
-void pack_uint32_(FLAC__uint32 val, FLAC__byte *b, unsigned bytes)
-{
- unsigned i;
-
- b += bytes;
-
- for(i = 0; i < bytes; i++) {
- *(--b) = (FLAC__byte)(val & 0xff);
- val >>= 8;
- }
-}
-
-void pack_uint32_little_endian_(FLAC__uint32 val, FLAC__byte *b, unsigned bytes)
-{
- unsigned i;
-
- for(i = 0; i < bytes; i++) {
- *(b++) = (FLAC__byte)(val & 0xff);
- val >>= 8;
- }
-}
-
-void pack_uint64_(FLAC__uint64 val, FLAC__byte *b, unsigned bytes)
-{
- unsigned i;
-
- b += bytes;
-
- for(i = 0; i < bytes; i++) {
- *(--b) = (FLAC__byte)(val & 0xff);
- val >>= 8;
- }
-}
-
-FLAC__uint32 unpack_uint32_(FLAC__byte *b, unsigned bytes)
-{
- FLAC__uint32 ret = 0;
- unsigned i;
-
- for(i = 0; i < bytes; i++)
- ret = (ret << 8) | (FLAC__uint32)(*b++);
-
- return ret;
-}
-
-FLAC__uint32 unpack_uint32_little_endian_(FLAC__byte *b, unsigned bytes)
-{
- FLAC__uint32 ret = 0;
- unsigned i;
-
- b += bytes;
-
- for(i = 0; i < bytes; i++)
- ret = (ret << 8) | (FLAC__uint32)(*--b);
-
- return ret;
-}
-
-FLAC__uint64 unpack_uint64_(FLAC__byte *b, unsigned bytes)
-{
- FLAC__uint64 ret = 0;
- unsigned i;
-
- for(i = 0; i < bytes; i++)
- ret = (ret << 8) | (FLAC__uint64)(*b++);
-
- return ret;
-}
-
-FLAC__bool read_metadata_block_header_(FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
-
- if(!read_metadata_block_header_cb_((FLAC__IOHandle)iterator->file, (FLAC__IOCallback_Read)fread, &iterator->is_last, &iterator->type, &iterator->length)) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- return false;
- }
-
- return true;
-}
-
-FLAC__bool read_metadata_block_data_(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block)
-{
- FLAC__ASSERT(0 != iterator);
- FLAC__ASSERT(0 != iterator->file);
-
- iterator->status = read_metadata_block_data_cb_((FLAC__IOHandle)iterator->file, (FLAC__IOCallback_Read)fread, fseek_wrapper_, block);
-
- return (iterator->status == FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK);
-}
-
-FLAC__bool read_metadata_block_header_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__bool *is_last, FLAC__MetadataType *type, unsigned *length)
-{
- FLAC__byte raw_header[FLAC__STREAM_METADATA_HEADER_LENGTH];
-
- if(read_cb(raw_header, 1, FLAC__STREAM_METADATA_HEADER_LENGTH, handle) != FLAC__STREAM_METADATA_HEADER_LENGTH)
- return false;
-
- *is_last = raw_header[0] & 0x80? true : false;
- *type = (FLAC__MetadataType)(raw_header[0] & 0x7f);
- *length = unpack_uint32_(raw_header + 1, 3);
-
- /* Note that we don't check:
- * if(iterator->type >= FLAC__METADATA_TYPE_UNDEFINED)
- * we just will read in an opaque block
- */
-
- return true;
-}
-
-FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Seek seek_cb, FLAC__StreamMetadata *block)
-{
- switch(block->type) {
- case FLAC__METADATA_TYPE_STREAMINFO:
- return read_metadata_block_data_streaminfo_cb_(handle, read_cb, &block->data.stream_info);
- case FLAC__METADATA_TYPE_PADDING:
- return read_metadata_block_data_padding_cb_(handle, seek_cb, &block->data.padding, block->length);
- case FLAC__METADATA_TYPE_APPLICATION:
- return read_metadata_block_data_application_cb_(handle, read_cb, &block->data.application, block->length);
- case FLAC__METADATA_TYPE_SEEKTABLE:
- return read_metadata_block_data_seektable_cb_(handle, read_cb, &block->data.seek_table, block->length);
- case FLAC__METADATA_TYPE_VORBIS_COMMENT:
- return read_metadata_block_data_vorbis_comment_cb_(handle, read_cb, &block->data.vorbis_comment);
- case FLAC__METADATA_TYPE_CUESHEET:
- return read_metadata_block_data_cuesheet_cb_(handle, read_cb, &block->data.cue_sheet);
- case FLAC__METADATA_TYPE_PICTURE:
- return read_metadata_block_data_picture_cb_(handle, read_cb, &block->data.picture);
- default:
- return read_metadata_block_data_unknown_cb_(handle, read_cb, &block->data.unknown, block->length);
- }
-}
-
-FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_streaminfo_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_StreamInfo *block)
-{
- FLAC__byte buffer[FLAC__STREAM_METADATA_STREAMINFO_LENGTH], *b;
-
- if(read_cb(buffer, 1, FLAC__STREAM_METADATA_STREAMINFO_LENGTH, handle) != FLAC__STREAM_METADATA_STREAMINFO_LENGTH)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
-
- b = buffer;
-
- /* we are using hardcoded numbers for simplicity but we should
- * probably eventually write a bit-level unpacker and use the
- * _STREAMINFO_ constants.
- */
- block->min_blocksize = unpack_uint32_(b, 2); b += 2;
- block->max_blocksize = unpack_uint32_(b, 2); b += 2;
- block->min_framesize = unpack_uint32_(b, 3); b += 3;
- block->max_framesize = unpack_uint32_(b, 3); b += 3;
- block->sample_rate = (unpack_uint32_(b, 2) << 4) | ((unsigned)(b[2] & 0xf0) >> 4);
- block->channels = (unsigned)((b[2] & 0x0e) >> 1) + 1;
- block->bits_per_sample = ((((unsigned)(b[2] & 0x01)) << 4) | (((unsigned)(b[3] & 0xf0)) >> 4)) + 1;
- block->total_samples = (((FLAC__uint64)(b[3] & 0x0f)) << 32) | unpack_uint64_(b+4, 4);
- memcpy(block->md5sum, b+8, 16);
-
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
-}
-
-FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_padding_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Seek seek_cb, FLAC__StreamMetadata_Padding *block, unsigned block_length)
-{
- (void)block; /* nothing to do; we don't care about reading the padding bytes */
-
- if(0 != seek_cb(handle, block_length, SEEK_CUR))
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
-
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
-}
-
-FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_application_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_Application *block, unsigned block_length)
-{
- const unsigned id_bytes = FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8;
-
- if(read_cb(block->id, 1, id_bytes, handle) != id_bytes)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
-
- if(block_length < id_bytes)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
-
- block_length -= id_bytes;
-
- if(block_length == 0) {
- block->data = 0;
- }
- else {
- if(0 == (block->data = (FLAC__byte*)malloc(block_length)))
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
-
- if(read_cb(block->data, 1, block_length, handle) != block_length)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- }
-
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
-}
-
-FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_seektable_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_SeekTable *block, unsigned block_length)
-{
- unsigned i;
- FLAC__byte buffer[FLAC__STREAM_METADATA_SEEKPOINT_LENGTH];
-
- FLAC__ASSERT(block_length % FLAC__STREAM_METADATA_SEEKPOINT_LENGTH == 0);
-
- block->num_points = block_length / FLAC__STREAM_METADATA_SEEKPOINT_LENGTH;
-
- if(block->num_points == 0)
- block->points = 0;
- else if(0 == (block->points = (FLAC__StreamMetadata_SeekPoint*)safe_malloc_mul_2op_(block->num_points, /*times*/sizeof(FLAC__StreamMetadata_SeekPoint))))
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
-
- for(i = 0; i < block->num_points; i++) {
- if(read_cb(buffer, 1, FLAC__STREAM_METADATA_SEEKPOINT_LENGTH, handle) != FLAC__STREAM_METADATA_SEEKPOINT_LENGTH)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- /* some MAGIC NUMBERs here */
- block->points[i].sample_number = unpack_uint64_(buffer, 8);
- block->points[i].stream_offset = unpack_uint64_(buffer+8, 8);
- block->points[i].frame_samples = unpack_uint32_(buffer+16, 2);
- }
-
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
-}
-
-FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_vorbis_comment_entry_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_VorbisComment_Entry *entry)
-{
- const unsigned entry_length_len = FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN / 8;
- FLAC__byte buffer[4]; /* magic number is asserted below */
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN / 8 == sizeof(buffer));
-
- if(read_cb(buffer, 1, entry_length_len, handle) != entry_length_len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- entry->length = unpack_uint32_little_endian_(buffer, entry_length_len);
-
- if(0 != entry->entry)
- free(entry->entry);
-
- if(entry->length == 0) {
- entry->entry = 0;
- }
- else {
- if(0 == (entry->entry = (FLAC__byte*)safe_malloc_add_2op_(entry->length, /*+*/1)))
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
-
- if(read_cb(entry->entry, 1, entry->length, handle) != entry->length)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
-
- entry->entry[entry->length] = '\0';
- }
-
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
-}
-
-FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_vorbis_comment_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_VorbisComment *block)
-{
- unsigned i;
- FLAC__Metadata_SimpleIteratorStatus status;
- const unsigned num_comments_len = FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN / 8;
- FLAC__byte buffer[4]; /* magic number is asserted below */
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN / 8 == sizeof(buffer));
-
- if(FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK != (status = read_metadata_block_data_vorbis_comment_entry_cb_(handle, read_cb, &(block->vendor_string))))
- return status;
-
- if(read_cb(buffer, 1, num_comments_len, handle) != num_comments_len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- block->num_comments = unpack_uint32_little_endian_(buffer, num_comments_len);
-
- if(block->num_comments == 0) {
- block->comments = 0;
- }
- else if(0 == (block->comments = (FLAC__StreamMetadata_VorbisComment_Entry*)calloc(block->num_comments, sizeof(FLAC__StreamMetadata_VorbisComment_Entry))))
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
-
- for(i = 0; i < block->num_comments; i++) {
- if(FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK != (status = read_metadata_block_data_vorbis_comment_entry_cb_(handle, read_cb, block->comments + i)))
- return status;
- }
-
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
-}
-
-FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_cuesheet_track_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_CueSheet_Track *track)
-{
- unsigned i, len;
- FLAC__byte buffer[32]; /* asserted below that this is big enough */
-
- FLAC__ASSERT(sizeof(buffer) >= sizeof(FLAC__uint64));
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= (FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN) / 8);
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- track->offset = unpack_uint64_(buffer, len);
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- track->number = (FLAC__byte)unpack_uint32_(buffer, len);
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN / 8;
- if(read_cb(track->isrc, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
-
- FLAC__ASSERT((FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN) % 8 == 0);
- len = (FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN) / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN == 1);
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN == 1);
- track->type = buffer[0] >> 7;
- track->pre_emphasis = (buffer[0] >> 6) & 1;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- track->num_indices = (FLAC__byte)unpack_uint32_(buffer, len);
-
- if(track->num_indices == 0) {
- track->indices = 0;
- }
- else if(0 == (track->indices = (FLAC__StreamMetadata_CueSheet_Index*)calloc(track->num_indices, sizeof(FLAC__StreamMetadata_CueSheet_Index))))
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
-
- for(i = 0; i < track->num_indices; i++) {
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- track->indices[i].offset = unpack_uint64_(buffer, len);
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- track->indices[i].number = (FLAC__byte)unpack_uint32_(buffer, len);
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- }
-
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
-}
-
-FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_cuesheet_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_CueSheet *block)
-{
- unsigned i, len;
- FLAC__Metadata_SimpleIteratorStatus status;
- FLAC__byte buffer[1024]; /* MSVC needs a constant expression so we put a magic number and assert */
-
- FLAC__ASSERT((FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN + FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN)/8 <= sizeof(buffer));
- FLAC__ASSERT(sizeof(FLAC__uint64) <= sizeof(buffer));
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN / 8;
- if(read_cb(block->media_catalog_number, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- block->lead_in = unpack_uint64_(buffer, len);
-
- FLAC__ASSERT((FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN + FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN) % 8 == 0);
- len = (FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN + FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN) / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- block->is_cd = buffer[0]&0x80? true : false;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- block->num_tracks = unpack_uint32_(buffer, len);
-
- if(block->num_tracks == 0) {
- block->tracks = 0;
- }
- else if(0 == (block->tracks = (FLAC__StreamMetadata_CueSheet_Track*)calloc(block->num_tracks, sizeof(FLAC__StreamMetadata_CueSheet_Track))))
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
-
- for(i = 0; i < block->num_tracks; i++) {
- if(FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK != (status = read_metadata_block_data_cuesheet_track_cb_(handle, read_cb, block->tracks + i)))
- return status;
- }
-
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
-}
-
-static FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_picture_cstring_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__byte **data, FLAC__uint32 *length, FLAC__uint32 length_len)
-{
- FLAC__byte buffer[sizeof(FLAC__uint32)];
-
- FLAC__ASSERT(0 != data);
- FLAC__ASSERT(length_len%8 == 0);
-
- length_len /= 8; /* convert to bytes */
-
- FLAC__ASSERT(sizeof(buffer) >= length_len);
-
- if(read_cb(buffer, 1, length_len, handle) != length_len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- *length = unpack_uint32_(buffer, length_len);
-
- if(0 != *data)
- free(*data);
-
- if(0 == (*data = (FLAC__byte*)safe_malloc_add_2op_(*length, /*+*/1)))
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
-
- if(*length > 0) {
- if(read_cb(*data, 1, *length, handle) != *length)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- }
-
- (*data)[*length] = '\0';
-
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
-}
-
-FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_picture_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_Picture *block)
-{
- FLAC__Metadata_SimpleIteratorStatus status;
- FLAC__byte buffer[4]; /* asserted below that this is big enough */
- FLAC__uint32 len;
-
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_TYPE_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_COLORS_LEN/8);
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_PICTURE_TYPE_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_PICTURE_TYPE_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- block->type = (FLAC__StreamMetadata_Picture_Type)unpack_uint32_(buffer, len);
-
- if((status = read_metadata_block_data_picture_cstring_cb_(handle, read_cb, (FLAC__byte**)(&(block->mime_type)), &len, FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN)) != FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK)
- return status;
-
- if((status = read_metadata_block_data_picture_cstring_cb_(handle, read_cb, &(block->description), &len, FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN)) != FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK)
- return status;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- block->width = unpack_uint32_(buffer, len);
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- block->height = unpack_uint32_(buffer, len);
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- block->depth = unpack_uint32_(buffer, len);
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_PICTURE_COLORS_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_PICTURE_COLORS_LEN / 8;
- if(read_cb(buffer, 1, len, handle) != len)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- block->colors = unpack_uint32_(buffer, len);
-
- /* for convenience we use read_metadata_block_data_picture_cstring_cb_() even though it adds an extra terminating NUL we don't use */
- if((status = read_metadata_block_data_picture_cstring_cb_(handle, read_cb, &(block->data), &(block->data_length), FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN)) != FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK)
- return status;
-
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
-}
-
-FLAC__Metadata_SimpleIteratorStatus read_metadata_block_data_unknown_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__StreamMetadata_Unknown *block, unsigned block_length)
-{
- if(block_length == 0) {
- block->data = 0;
- }
- else {
- if(0 == (block->data = (FLAC__byte*)malloc(block_length)))
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
-
- if(read_cb(block->data, 1, block_length, handle) != block_length)
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- }
-
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
-}
-
-FLAC__bool write_metadata_block_header_(FILE *file, FLAC__Metadata_SimpleIteratorStatus *status, const FLAC__StreamMetadata *block)
-{
- FLAC__ASSERT(0 != file);
- FLAC__ASSERT(0 != status);
-
- if(!write_metadata_block_header_cb_((FLAC__IOHandle)file, (FLAC__IOCallback_Write)fwrite, block)) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR;
- return false;
- }
-
- return true;
-}
-
-FLAC__bool write_metadata_block_data_(FILE *file, FLAC__Metadata_SimpleIteratorStatus *status, const FLAC__StreamMetadata *block)
-{
- FLAC__ASSERT(0 != file);
- FLAC__ASSERT(0 != status);
-
- if (write_metadata_block_data_cb_((FLAC__IOHandle)file, (FLAC__IOCallback_Write)fwrite, block)) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK;
- return true;
- }
- else {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR;
- return false;
- }
-}
-
-FLAC__bool write_metadata_block_header_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata *block)
-{
- FLAC__byte buffer[FLAC__STREAM_METADATA_HEADER_LENGTH];
-
- FLAC__ASSERT(block->length < (1u << FLAC__STREAM_METADATA_LENGTH_LEN));
-
- buffer[0] = (block->is_last? 0x80 : 0) | (FLAC__byte)block->type;
- pack_uint32_(block->length, buffer + 1, 3);
-
- if(write_cb(buffer, 1, FLAC__STREAM_METADATA_HEADER_LENGTH, handle) != FLAC__STREAM_METADATA_HEADER_LENGTH)
- return false;
-
- return true;
-}
-
-FLAC__bool write_metadata_block_data_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata *block)
-{
- FLAC__ASSERT(0 != block);
-
- switch(block->type) {
- case FLAC__METADATA_TYPE_STREAMINFO:
- return write_metadata_block_data_streaminfo_cb_(handle, write_cb, &block->data.stream_info);
- case FLAC__METADATA_TYPE_PADDING:
- return write_metadata_block_data_padding_cb_(handle, write_cb, &block->data.padding, block->length);
- case FLAC__METADATA_TYPE_APPLICATION:
- return write_metadata_block_data_application_cb_(handle, write_cb, &block->data.application, block->length);
- case FLAC__METADATA_TYPE_SEEKTABLE:
- return write_metadata_block_data_seektable_cb_(handle, write_cb, &block->data.seek_table);
- case FLAC__METADATA_TYPE_VORBIS_COMMENT:
- return write_metadata_block_data_vorbis_comment_cb_(handle, write_cb, &block->data.vorbis_comment);
- case FLAC__METADATA_TYPE_CUESHEET:
- return write_metadata_block_data_cuesheet_cb_(handle, write_cb, &block->data.cue_sheet);
- case FLAC__METADATA_TYPE_PICTURE:
- return write_metadata_block_data_picture_cb_(handle, write_cb, &block->data.picture);
- default:
- return write_metadata_block_data_unknown_cb_(handle, write_cb, &block->data.unknown, block->length);
- }
-}
-
-FLAC__bool write_metadata_block_data_streaminfo_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_StreamInfo *block)
-{
- FLAC__byte buffer[FLAC__STREAM_METADATA_STREAMINFO_LENGTH];
- const unsigned channels1 = block->channels - 1;
- const unsigned bps1 = block->bits_per_sample - 1;
-
- /* we are using hardcoded numbers for simplicity but we should
- * probably eventually write a bit-level packer and use the
- * _STREAMINFO_ constants.
- */
- pack_uint32_(block->min_blocksize, buffer, 2);
- pack_uint32_(block->max_blocksize, buffer+2, 2);
- pack_uint32_(block->min_framesize, buffer+4, 3);
- pack_uint32_(block->max_framesize, buffer+7, 3);
- buffer[10] = (block->sample_rate >> 12) & 0xff;
- buffer[11] = (block->sample_rate >> 4) & 0xff;
- buffer[12] = ((block->sample_rate & 0x0f) << 4) | (channels1 << 1) | (bps1 >> 4);
- buffer[13] = (FLAC__byte)(((bps1 & 0x0f) << 4) | ((block->total_samples >> 32) & 0x0f));
- pack_uint32_((FLAC__uint32)block->total_samples, buffer+14, 4);
- memcpy(buffer+18, block->md5sum, 16);
-
- if(write_cb(buffer, 1, FLAC__STREAM_METADATA_STREAMINFO_LENGTH, handle) != FLAC__STREAM_METADATA_STREAMINFO_LENGTH)
- return false;
-
- return true;
-}
-
-FLAC__bool write_metadata_block_data_padding_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_Padding *block, unsigned block_length)
-{
- unsigned i, n = block_length;
- FLAC__byte buffer[1024];
-
- (void)block;
-
- memset(buffer, 0, 1024);
-
- for(i = 0; i < n/1024; i++)
- if(write_cb(buffer, 1, 1024, handle) != 1024)
- return false;
-
- n %= 1024;
-
- if(write_cb(buffer, 1, n, handle) != n)
- return false;
-
- return true;
-}
-
-FLAC__bool write_metadata_block_data_application_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_Application *block, unsigned block_length)
-{
- const unsigned id_bytes = FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8;
-
- if(write_cb(block->id, 1, id_bytes, handle) != id_bytes)
- return false;
-
- block_length -= id_bytes;
-
- if(write_cb(block->data, 1, block_length, handle) != block_length)
- return false;
-
- return true;
-}
-
-FLAC__bool write_metadata_block_data_seektable_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_SeekTable *block)
-{
- unsigned i;
- FLAC__byte buffer[FLAC__STREAM_METADATA_SEEKPOINT_LENGTH];
-
- for(i = 0; i < block->num_points; i++) {
- /* some MAGIC NUMBERs here */
- pack_uint64_(block->points[i].sample_number, buffer, 8);
- pack_uint64_(block->points[i].stream_offset, buffer+8, 8);
- pack_uint32_(block->points[i].frame_samples, buffer+16, 2);
- if(write_cb(buffer, 1, FLAC__STREAM_METADATA_SEEKPOINT_LENGTH, handle) != FLAC__STREAM_METADATA_SEEKPOINT_LENGTH)
- return false;
- }
-
- return true;
-}
-
-FLAC__bool write_metadata_block_data_vorbis_comment_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_VorbisComment *block)
-{
- unsigned i;
- const unsigned entry_length_len = FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN / 8;
- const unsigned num_comments_len = FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN / 8;
- FLAC__byte buffer[4]; /* magic number is asserted below */
-
- FLAC__ASSERT(max(FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN, FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN) / 8 == sizeof(buffer));
-
- pack_uint32_little_endian_(block->vendor_string.length, buffer, entry_length_len);
- if(write_cb(buffer, 1, entry_length_len, handle) != entry_length_len)
- return false;
- if(write_cb(block->vendor_string.entry, 1, block->vendor_string.length, handle) != block->vendor_string.length)
- return false;
-
- pack_uint32_little_endian_(block->num_comments, buffer, num_comments_len);
- if(write_cb(buffer, 1, num_comments_len, handle) != num_comments_len)
- return false;
-
- for(i = 0; i < block->num_comments; i++) {
- pack_uint32_little_endian_(block->comments[i].length, buffer, entry_length_len);
- if(write_cb(buffer, 1, entry_length_len, handle) != entry_length_len)
- return false;
- if(write_cb(block->comments[i].entry, 1, block->comments[i].length, handle) != block->comments[i].length)
- return false;
- }
-
- return true;
-}
-
-FLAC__bool write_metadata_block_data_cuesheet_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_CueSheet *block)
-{
- unsigned i, j, len;
- FLAC__byte buffer[1024]; /* asserted below that this is big enough */
-
- FLAC__ASSERT(sizeof(buffer) >= sizeof(FLAC__uint64));
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= (FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN + FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN)/8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN/8);
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN / 8;
- if(write_cb(block->media_catalog_number, 1, len, handle) != len)
- return false;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN / 8;
- pack_uint64_(block->lead_in, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- FLAC__ASSERT((FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN + FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN) % 8 == 0);
- len = (FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN + FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN) / 8;
- memset(buffer, 0, len);
- if(block->is_cd)
- buffer[0] |= 0x80;
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN / 8;
- pack_uint32_(block->num_tracks, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- for(i = 0; i < block->num_tracks; i++) {
- FLAC__StreamMetadata_CueSheet_Track *track = block->tracks + i;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN / 8;
- pack_uint64_(track->offset, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN / 8;
- pack_uint32_(track->number, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN / 8;
- if(write_cb(track->isrc, 1, len, handle) != len)
- return false;
-
- FLAC__ASSERT((FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN) % 8 == 0);
- len = (FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN + FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN) / 8;
- memset(buffer, 0, len);
- buffer[0] = (track->type << 7) | (track->pre_emphasis << 6);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN / 8;
- pack_uint32_(track->num_indices, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- for(j = 0; j < track->num_indices; j++) {
- FLAC__StreamMetadata_CueSheet_Index *index = track->indices + j;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN / 8;
- pack_uint64_(index->offset, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN / 8;
- pack_uint32_(index->number, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- FLAC__ASSERT(FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN % 8 == 0);
- len = FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN / 8;
- memset(buffer, 0, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
- }
- }
-
- return true;
-}
-
-FLAC__bool write_metadata_block_data_picture_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_Picture *block)
-{
- unsigned len;
- size_t slen;
- FLAC__byte buffer[4]; /* magic number is asserted below */
-
- FLAC__ASSERT(0 == FLAC__STREAM_METADATA_PICTURE_TYPE_LEN%8);
- FLAC__ASSERT(0 == FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN%8);
- FLAC__ASSERT(0 == FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN%8);
- FLAC__ASSERT(0 == FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN%8);
- FLAC__ASSERT(0 == FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN%8);
- FLAC__ASSERT(0 == FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN%8);
- FLAC__ASSERT(0 == FLAC__STREAM_METADATA_PICTURE_COLORS_LEN%8);
- FLAC__ASSERT(0 == FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN%8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_TYPE_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_COLORS_LEN/8);
- FLAC__ASSERT(sizeof(buffer) >= FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN/8);
-
- len = FLAC__STREAM_METADATA_PICTURE_TYPE_LEN/8;
- pack_uint32_(block->type, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- len = FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN/8;
- slen = strlen(block->mime_type);
- pack_uint32_(slen, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
- if(write_cb(block->mime_type, 1, slen, handle) != slen)
- return false;
-
- len = FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN/8;
- slen = strlen((const char *)block->description);
- pack_uint32_(slen, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
- if(write_cb(block->description, 1, slen, handle) != slen)
- return false;
-
- len = FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN/8;
- pack_uint32_(block->width, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- len = FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN/8;
- pack_uint32_(block->height, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- len = FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN/8;
- pack_uint32_(block->depth, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- len = FLAC__STREAM_METADATA_PICTURE_COLORS_LEN/8;
- pack_uint32_(block->colors, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
-
- len = FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN/8;
- pack_uint32_(block->data_length, buffer, len);
- if(write_cb(buffer, 1, len, handle) != len)
- return false;
- if(write_cb(block->data, 1, block->data_length, handle) != block->data_length)
- return false;
-
- return true;
-}
-
-FLAC__bool write_metadata_block_data_unknown_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Write write_cb, const FLAC__StreamMetadata_Unknown *block, unsigned block_length)
-{
- if(write_cb(block->data, 1, block_length, handle) != block_length)
- return false;
-
- return true;
-}
-
-FLAC__bool write_metadata_block_stationary_(FLAC__Metadata_SimpleIterator *iterator, const FLAC__StreamMetadata *block)
-{
- if(0 != fseeko(iterator->file, iterator->offset[iterator->depth], SEEK_SET)) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
-
- if(!write_metadata_block_header_(iterator->file, &iterator->status, block))
- return false;
-
- if(!write_metadata_block_data_(iterator->file, &iterator->status, block))
- return false;
-
- if(0 != fseeko(iterator->file, iterator->offset[iterator->depth], SEEK_SET)) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
-
- return read_metadata_block_header_(iterator);
-}
-
-FLAC__bool write_metadata_block_stationary_with_padding_(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block, unsigned padding_length, FLAC__bool padding_is_last)
-{
- FLAC__StreamMetadata *padding;
-
- if(0 != fseeko(iterator->file, iterator->offset[iterator->depth], SEEK_SET)) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
-
- block->is_last = false;
-
- if(!write_metadata_block_header_(iterator->file, &iterator->status, block))
- return false;
-
- if(!write_metadata_block_data_(iterator->file, &iterator->status, block))
- return false;
-
- if(0 == (padding = FLAC__metadata_object_new(FLAC__METADATA_TYPE_PADDING)))
- return FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
-
- padding->is_last = padding_is_last;
- padding->length = padding_length;
-
- if(!write_metadata_block_header_(iterator->file, &iterator->status, padding)) {
- FLAC__metadata_object_delete(padding);
- return false;
- }
-
- if(!write_metadata_block_data_(iterator->file, &iterator->status, padding)) {
- FLAC__metadata_object_delete(padding);
- return false;
- }
-
- FLAC__metadata_object_delete(padding);
-
- if(0 != fseeko(iterator->file, iterator->offset[iterator->depth], SEEK_SET)) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
-
- return read_metadata_block_header_(iterator);
-}
-
-FLAC__bool rewrite_whole_file_(FLAC__Metadata_SimpleIterator *iterator, FLAC__StreamMetadata *block, FLAC__bool append)
-{
- FILE *tempfile;
- char *tempfilename;
- int fixup_is_last_code = 0; /* 0 => no need to change any is_last flags */
- off_t fixup_is_last_flag_offset = -1;
-
- FLAC__ASSERT(0 != block || append == false);
-
- if(iterator->is_last) {
- if(append) {
- fixup_is_last_code = 1; /* 1 => clear the is_last flag at the following offset */
- fixup_is_last_flag_offset = iterator->offset[iterator->depth];
- }
- else if(0 == block) {
- simple_iterator_push_(iterator);
- if(!FLAC__metadata_simple_iterator_prev(iterator)) {
- (void)simple_iterator_pop_(iterator);
- return false;
- }
- fixup_is_last_code = -1; /* -1 => set the is_last the flag at the following offset */
- fixup_is_last_flag_offset = iterator->offset[iterator->depth];
- if(!simple_iterator_pop_(iterator))
- return false;
- }
- }
-
- if(!simple_iterator_copy_file_prefix_(iterator, &tempfile, &tempfilename, append))
- return false;
-
- if(0 != block) {
- if(!write_metadata_block_header_(tempfile, &iterator->status, block)) {
- cleanup_tempfile_(&tempfile, &tempfilename);
- return false;
- }
-
- if(!write_metadata_block_data_(tempfile, &iterator->status, block)) {
- cleanup_tempfile_(&tempfile, &tempfilename);
- return false;
- }
- }
-
- if(!simple_iterator_copy_file_postfix_(iterator, &tempfile, &tempfilename, fixup_is_last_code, fixup_is_last_flag_offset, block==0))
- return false;
-
- if(append)
- return FLAC__metadata_simple_iterator_next(iterator);
-
- return true;
-}
-
-void simple_iterator_push_(FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__ASSERT(iterator->depth+1 < SIMPLE_ITERATOR_MAX_PUSH_DEPTH);
- iterator->offset[iterator->depth+1] = iterator->offset[iterator->depth];
- iterator->depth++;
-}
-
-FLAC__bool simple_iterator_pop_(FLAC__Metadata_SimpleIterator *iterator)
-{
- FLAC__ASSERT(iterator->depth > 0);
- iterator->depth--;
- if(0 != fseeko(iterator->file, iterator->offset[iterator->depth], SEEK_SET)) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
-
- return read_metadata_block_header_(iterator);
-}
-
-/* return meanings:
- * 0: ok
- * 1: read error
- * 2: seek error
- * 3: not a FLAC file
- */
-unsigned seek_to_first_metadata_block_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Seek seek_cb)
-{
- FLAC__byte buffer[4];
- size_t n;
- unsigned i;
-
- FLAC__ASSERT(FLAC__STREAM_SYNC_LENGTH == sizeof(buffer));
-
- /* skip any id3v2 tag */
- errno = 0;
- n = read_cb(buffer, 1, 4, handle);
- if(errno)
- return 1;
- else if(n != 4)
- return 3;
- else if(0 == memcmp(buffer, "ID3", 3)) {
- unsigned tag_length = 0;
-
- /* skip to the tag length */
- if(seek_cb(handle, 2, SEEK_CUR) < 0)
- return 2;
-
- /* read the length */
- for(i = 0; i < 4; i++) {
- if(read_cb(buffer, 1, 1, handle) < 1 || buffer[0] & 0x80)
- return 1;
- tag_length <<= 7;
- tag_length |= (buffer[0] & 0x7f);
- }
-
- /* skip the rest of the tag */
- if(seek_cb(handle, tag_length, SEEK_CUR) < 0)
- return 2;
-
- /* read the stream sync code */
- errno = 0;
- n = read_cb(buffer, 1, 4, handle);
- if(errno)
- return 1;
- else if(n != 4)
- return 3;
- }
-
- /* check for the fLaC signature */
- if(0 == memcmp(FLAC__STREAM_SYNC_STRING, buffer, FLAC__STREAM_SYNC_LENGTH))
- return 0;
- else
- return 3;
-}
-
-unsigned seek_to_first_metadata_block_(FILE *f)
-{
- return seek_to_first_metadata_block_cb_((FLAC__IOHandle)f, (FLAC__IOCallback_Read)fread, fseek_wrapper_);
-}
-
-FLAC__bool simple_iterator_copy_file_prefix_(FLAC__Metadata_SimpleIterator *iterator, FILE **tempfile, char **tempfilename, FLAC__bool append)
-{
- const off_t offset_end = append? iterator->offset[iterator->depth] + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH + (off_t)iterator->length : iterator->offset[iterator->depth];
-
- if(0 != fseeko(iterator->file, 0, SEEK_SET)) {
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
- if(!open_tempfile_(iterator->filename, iterator->tempfile_path_prefix, tempfile, tempfilename, &iterator->status)) {
- cleanup_tempfile_(tempfile, tempfilename);
- return false;
- }
- if(!copy_n_bytes_from_file_(iterator->file, *tempfile, offset_end, &iterator->status)) {
- cleanup_tempfile_(tempfile, tempfilename);
- return false;
- }
-
- return true;
-}
-
-FLAC__bool simple_iterator_copy_file_postfix_(FLAC__Metadata_SimpleIterator *iterator, FILE **tempfile, char **tempfilename, int fixup_is_last_code, off_t fixup_is_last_flag_offset, FLAC__bool backup)
-{
- off_t save_offset = iterator->offset[iterator->depth];
- FLAC__ASSERT(0 != *tempfile);
-
- if(0 != fseeko(iterator->file, save_offset + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH + (off_t)iterator->length, SEEK_SET)) {
- cleanup_tempfile_(tempfile, tempfilename);
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
- if(!copy_remaining_bytes_from_file_(iterator->file, *tempfile, &iterator->status)) {
- cleanup_tempfile_(tempfile, tempfilename);
- return false;
- }
-
- if(fixup_is_last_code != 0) {
- /*
- * if code == 1, it means a block was appended to the end so
- * we have to clear the is_last flag of the previous block
- * if code == -1, it means the last block was deleted so
- * we have to set the is_last flag of the previous block
- */
- /* MAGIC NUMBERs here; we know the is_last flag is the high bit of the byte at this location */
- FLAC__byte x;
- if(0 != fseeko(*tempfile, fixup_is_last_flag_offset, SEEK_SET)) {
- cleanup_tempfile_(tempfile, tempfilename);
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
- if(fread(&x, 1, 1, *tempfile) != 1) {
- cleanup_tempfile_(tempfile, tempfilename);
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- return false;
- }
- if(fixup_is_last_code > 0) {
- FLAC__ASSERT(x & 0x80);
- x &= 0x7f;
- }
- else {
- FLAC__ASSERT(!(x & 0x80));
- x |= 0x80;
- }
- if(0 != fseeko(*tempfile, fixup_is_last_flag_offset, SEEK_SET)) {
- cleanup_tempfile_(tempfile, tempfilename);
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR;
- return false;
- }
- if(local__fwrite(&x, 1, 1, *tempfile) != 1) {
- cleanup_tempfile_(tempfile, tempfilename);
- iterator->status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR;
- return false;
- }
- }
-
- (void)fclose(iterator->file);
-
- if(!transport_tempfile_(iterator->filename, tempfile, tempfilename, &iterator->status))
- return false;
-
- if(iterator->has_stats)
- set_file_stats_(iterator->filename, &iterator->stats);
-
- if(!simple_iterator_prime_input_(iterator, !iterator->is_writable))
- return false;
- if(backup) {
- while(iterator->offset[iterator->depth] + (off_t)FLAC__STREAM_METADATA_HEADER_LENGTH + (off_t)iterator->length < save_offset)
- if(!FLAC__metadata_simple_iterator_next(iterator))
- return false;
- return true;
- }
- else {
- /* move the iterator to it's original block faster by faking a push, then doing a pop_ */
- FLAC__ASSERT(iterator->depth == 0);
- iterator->offset[0] = save_offset;
- iterator->depth++;
- return simple_iterator_pop_(iterator);
- }
-}
-
-FLAC__bool copy_n_bytes_from_file_(FILE *file, FILE *tempfile, off_t bytes, FLAC__Metadata_SimpleIteratorStatus *status)
-{
- FLAC__byte buffer[8192];
- size_t n;
-
- FLAC__ASSERT(bytes >= 0);
- while(bytes > 0) {
- n = min(sizeof(buffer), (size_t)bytes);
- if(fread(buffer, 1, n, file) != n) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- return false;
- }
- if(local__fwrite(buffer, 1, n, tempfile) != n) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR;
- return false;
- }
- bytes -= n;
- }
-
- return true;
-}
-
-FLAC__bool copy_n_bytes_from_file_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOHandle temp_handle, FLAC__IOCallback_Write temp_write_cb, off_t bytes, FLAC__Metadata_SimpleIteratorStatus *status)
-{
- FLAC__byte buffer[8192];
- size_t n;
-
- FLAC__ASSERT(bytes >= 0);
- while(bytes > 0) {
- n = min(sizeof(buffer), (size_t)bytes);
- if(read_cb(buffer, 1, n, handle) != n) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- return false;
- }
- if(temp_write_cb(buffer, 1, n, temp_handle) != n) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR;
- return false;
- }
- bytes -= n;
- }
-
- return true;
-}
-
-FLAC__bool copy_remaining_bytes_from_file_(FILE *file, FILE *tempfile, FLAC__Metadata_SimpleIteratorStatus *status)
-{
- FLAC__byte buffer[8192];
- size_t n;
-
- while(!feof(file)) {
- n = fread(buffer, 1, sizeof(buffer), file);
- if(n == 0 && !feof(file)) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- return false;
- }
- if(n > 0 && local__fwrite(buffer, 1, n, tempfile) != n) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR;
- return false;
- }
- }
-
- return true;
-}
-
-FLAC__bool copy_remaining_bytes_from_file_cb_(FLAC__IOHandle handle, FLAC__IOCallback_Read read_cb, FLAC__IOCallback_Eof eof_cb, FLAC__IOHandle temp_handle, FLAC__IOCallback_Write temp_write_cb, FLAC__Metadata_SimpleIteratorStatus *status)
-{
- FLAC__byte buffer[8192];
- size_t n;
-
- while(!eof_cb(handle)) {
- n = read_cb(buffer, 1, sizeof(buffer), handle);
- if(n == 0 && !eof_cb(handle)) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR;
- return false;
- }
- if(n > 0 && temp_write_cb(buffer, 1, n, temp_handle) != n) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR;
- return false;
- }
- }
-
- return true;
-}
-
-FLAC__bool open_tempfile_(const char *filename, const char *tempfile_path_prefix, FILE **tempfile, char **tempfilename, FLAC__Metadata_SimpleIteratorStatus *status)
-{
- static const char *tempfile_suffix = ".metadata_edit";
- if(0 == tempfile_path_prefix) {
- if(0 == (*tempfilename = (char*)safe_malloc_add_3op_(strlen(filename), /*+*/strlen(tempfile_suffix), /*+*/1))) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
- return false;
- }
- strcpy(*tempfilename, filename);
- strcat(*tempfilename, tempfile_suffix);
- }
- else {
- const char *p = strrchr(filename, '/');
- if(0 == p)
- p = filename;
- else
- p++;
-
- if(0 == (*tempfilename = (char*)safe_malloc_add_4op_(strlen(tempfile_path_prefix), /*+*/strlen(p), /*+*/strlen(tempfile_suffix), /*+*/2))) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR;
- return false;
- }
- strcpy(*tempfilename, tempfile_path_prefix);
- strcat(*tempfilename, "/");
- strcat(*tempfilename, p);
- strcat(*tempfilename, tempfile_suffix);
- }
-
- if(0 == (*tempfile = fopen(*tempfilename, "w+b"))) {
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ERROR_OPENING_FILE;
- return false;
- }
-
- return true;
-}
-
-FLAC__bool transport_tempfile_(const char *filename, FILE **tempfile, char **tempfilename, FLAC__Metadata_SimpleIteratorStatus *status)
-{
- FLAC__ASSERT(0 != filename);
- FLAC__ASSERT(0 != tempfile);
- FLAC__ASSERT(0 != *tempfile);
- FLAC__ASSERT(0 != tempfilename);
- FLAC__ASSERT(0 != *tempfilename);
- FLAC__ASSERT(0 != status);
-
- (void)fclose(*tempfile);
- *tempfile = 0;
-
-#if defined _MSC_VER || defined __BORLANDC__ || defined __MINGW32__ || defined __EMX__
- /* on some flavors of windows, rename() will fail if the destination already exists */
- if(unlink(filename) < 0) {
- cleanup_tempfile_(tempfile, tempfilename);
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_UNLINK_ERROR;
- return false;
- }
-#endif
-
- /*@@@ to fully support the tempfile_path_prefix we need to update this piece to actually copy across filesystems instead of just rename(): */
- if(0 != rename(*tempfilename, filename)) {
- cleanup_tempfile_(tempfile, tempfilename);
- *status = FLAC__METADATA_SIMPLE_ITERATOR_STATUS_RENAME_ERROR;
- return false;
- }
-
- cleanup_tempfile_(tempfile, tempfilename);
-
- return true;
-}
-
-void cleanup_tempfile_(FILE **tempfile, char **tempfilename)
-{
- if(0 != *tempfile) {
- (void)fclose(*tempfile);
- *tempfile = 0;
- }
-
- if(0 != *tempfilename) {
- (void)unlink(*tempfilename);
- free(*tempfilename);
- *tempfilename = 0;
- }
-}
-
-FLAC__bool get_file_stats_(const char *filename, struct stat *stats)
-{
- FLAC__ASSERT(0 != filename);
- FLAC__ASSERT(0 != stats);
- return (0 == stat(filename, stats));
-}
-
-void set_file_stats_(const char *filename, struct stat *stats)
-{
- struct utimbuf srctime;
-
- FLAC__ASSERT(0 != filename);
- FLAC__ASSERT(0 != stats);
-
- srctime.actime = stats->st_atime;
- srctime.modtime = stats->st_mtime;
- (void)chmod(filename, stats->st_mode);
- (void)utime(filename, &srctime);
-#if !defined _MSC_VER && !defined __BORLANDC__ && !defined __MINGW32__ && !defined __EMX__
- (void)chown(filename, stats->st_uid, -1);
- (void)chown(filename, -1, stats->st_gid);
-#endif
-}
-
-int fseek_wrapper_(FLAC__IOHandle handle, FLAC__int64 offset, int whence)
-{
- return fseeko((FILE*)handle, (off_t)offset, whence);
-}
-
-FLAC__int64 ftell_wrapper_(FLAC__IOHandle handle)
-{
- return ftello((FILE*)handle);
-}
-
-FLAC__Metadata_ChainStatus get_equivalent_status_(FLAC__Metadata_SimpleIteratorStatus status)
-{
- switch(status) {
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_OK:
- return FLAC__METADATA_CHAIN_STATUS_OK;
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ILLEGAL_INPUT:
- return FLAC__METADATA_CHAIN_STATUS_ILLEGAL_INPUT;
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_ERROR_OPENING_FILE:
- return FLAC__METADATA_CHAIN_STATUS_ERROR_OPENING_FILE;
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_NOT_A_FLAC_FILE:
- return FLAC__METADATA_CHAIN_STATUS_NOT_A_FLAC_FILE;
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_NOT_WRITABLE:
- return FLAC__METADATA_CHAIN_STATUS_NOT_WRITABLE;
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_BAD_METADATA:
- return FLAC__METADATA_CHAIN_STATUS_BAD_METADATA;
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_READ_ERROR:
- return FLAC__METADATA_CHAIN_STATUS_READ_ERROR;
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_SEEK_ERROR:
- return FLAC__METADATA_CHAIN_STATUS_SEEK_ERROR;
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_WRITE_ERROR:
- return FLAC__METADATA_CHAIN_STATUS_WRITE_ERROR;
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_RENAME_ERROR:
- return FLAC__METADATA_CHAIN_STATUS_RENAME_ERROR;
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_UNLINK_ERROR:
- return FLAC__METADATA_CHAIN_STATUS_UNLINK_ERROR;
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_MEMORY_ALLOCATION_ERROR:
- return FLAC__METADATA_CHAIN_STATUS_MEMORY_ALLOCATION_ERROR;
- case FLAC__METADATA_SIMPLE_ITERATOR_STATUS_INTERNAL_ERROR:
- default:
- return FLAC__METADATA_CHAIN_STATUS_INTERNAL_ERROR;
- }
-}
diff --git a/libFLAC/metadata_object.c b/libFLAC/metadata_object.c
deleted file mode 100644
index a1465f5..0000000
--- a/libFLAC/metadata_object.c
+++ /dev/null
@@ -1,1819 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2001,2002,2003,2004,2005,2006,2007 Josh Coalson
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <stdlib.h>
-#include <string.h>
-
-#include "private/metadata.h"
-
-#include "FLAC/assert.h"
-#include "share/alloc.h"
-
-
-/****************************************************************************
- *
- * Local routines
- *
- ***************************************************************************/
-
-/* copy bytes:
- * from = NULL && bytes = 0
- * to <- NULL
- * from != NULL && bytes > 0
- * to <- copy of from
- * else ASSERT
- * malloc error leaves 'to' unchanged
- */
-static FLAC__bool copy_bytes_(FLAC__byte **to, const FLAC__byte *from, unsigned bytes)
-{
- FLAC__ASSERT(0 != to);
- if(bytes > 0 && 0 != from) {
- FLAC__byte *x;
- if(0 == (x = (FLAC__byte*)safe_malloc_(bytes)))
- return false;
- memcpy(x, from, bytes);
- *to = x;
- }
- else {
- FLAC__ASSERT(0 == from);
- FLAC__ASSERT(bytes == 0);
- *to = 0;
- }
- return true;
-}
-
-#if 0 /* UNUSED */
-/* like copy_bytes_(), but free()s the original '*to' if the copy succeeds and the original '*to' is non-NULL */
-static FLAC__bool free_copy_bytes_(FLAC__byte **to, const FLAC__byte *from, unsigned bytes)
-{
- FLAC__byte *copy;
- FLAC__ASSERT(0 != to);
- if(copy_bytes_(©, from, bytes)) {
- if(*to)
- free(*to);
- *to = copy;
- return true;
- }
- else
- return false;
-}
-#endif
-
-/* reallocate entry to 1 byte larger and add a terminating NUL */
-/* realloc() failure leaves entry unchanged */
-static FLAC__bool ensure_null_terminated_(FLAC__byte **entry, unsigned length)
-{
- FLAC__byte *x = (FLAC__byte*)safe_realloc_add_2op_(*entry, length, /*+*/1);
- if(0 != x) {
- x[length] = '\0';
- *entry = x;
- return true;
- }
- else
- return false;
-}
-
-/* copies the NUL-terminated C-string 'from' to '*to', leaving '*to'
- * unchanged if malloc fails, free()ing the original '*to' if it
- * succeeds and the original '*to' was not NULL
- */
-static FLAC__bool copy_cstring_(char **to, const char *from)
-{
- char *copy = strdup(from);
- FLAC__ASSERT(to);
- if(copy) {
- if(*to)
- free(*to);
- *to = copy;
- return true;
- }
- else
- return false;
-}
-
-static FLAC__bool copy_vcentry_(FLAC__StreamMetadata_VorbisComment_Entry *to, const FLAC__StreamMetadata_VorbisComment_Entry *from)
-{
- to->length = from->length;
- if(0 == from->entry) {
- FLAC__ASSERT(from->length == 0);
- to->entry = 0;
- }
- else {
- FLAC__byte *x;
- FLAC__ASSERT(from->length > 0);
- if(0 == (x = (FLAC__byte*)safe_malloc_add_2op_(from->length, /*+*/1)))
- return false;
- memcpy(x, from->entry, from->length);
- x[from->length] = '\0';
- to->entry = x;
- }
- return true;
-}
-
-static FLAC__bool copy_track_(FLAC__StreamMetadata_CueSheet_Track *to, const FLAC__StreamMetadata_CueSheet_Track *from)
-{
- memcpy(to, from, sizeof(FLAC__StreamMetadata_CueSheet_Track));
- if(0 == from->indices) {
- FLAC__ASSERT(from->num_indices == 0);
- }
- else {
- FLAC__StreamMetadata_CueSheet_Index *x;
- FLAC__ASSERT(from->num_indices > 0);
- if(0 == (x = (FLAC__StreamMetadata_CueSheet_Index*)safe_malloc_mul_2op_(from->num_indices, /*times*/sizeof(FLAC__StreamMetadata_CueSheet_Index))))
- return false;
- memcpy(x, from->indices, from->num_indices * sizeof(FLAC__StreamMetadata_CueSheet_Index));
- to->indices = x;
- }
- return true;
-}
-
-static void seektable_calculate_length_(FLAC__StreamMetadata *object)
-{
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
-
- object->length = object->data.seek_table.num_points * FLAC__STREAM_METADATA_SEEKPOINT_LENGTH;
-}
-
-static FLAC__StreamMetadata_SeekPoint *seekpoint_array_new_(unsigned num_points)
-{
- FLAC__StreamMetadata_SeekPoint *object_array;
-
- FLAC__ASSERT(num_points > 0);
-
- object_array = (FLAC__StreamMetadata_SeekPoint*)safe_malloc_mul_2op_(num_points, /*times*/sizeof(FLAC__StreamMetadata_SeekPoint));
-
- if(0 != object_array) {
- unsigned i;
- for(i = 0; i < num_points; i++) {
- object_array[i].sample_number = FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER;
- object_array[i].stream_offset = 0;
- object_array[i].frame_samples = 0;
- }
- }
-
- return object_array;
-}
-
-static void vorbiscomment_calculate_length_(FLAC__StreamMetadata *object)
-{
- unsigned i;
-
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
-
- object->length = (FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN) / 8;
- object->length += object->data.vorbis_comment.vendor_string.length;
- object->length += (FLAC__STREAM_METADATA_VORBIS_COMMENT_NUM_COMMENTS_LEN) / 8;
- for(i = 0; i < object->data.vorbis_comment.num_comments; i++) {
- object->length += (FLAC__STREAM_METADATA_VORBIS_COMMENT_ENTRY_LENGTH_LEN / 8);
- object->length += object->data.vorbis_comment.comments[i].length;
- }
-}
-
-static FLAC__StreamMetadata_VorbisComment_Entry *vorbiscomment_entry_array_new_(unsigned num_comments)
-{
- FLAC__ASSERT(num_comments > 0);
-
- return (FLAC__StreamMetadata_VorbisComment_Entry*)safe_calloc_(num_comments, sizeof(FLAC__StreamMetadata_VorbisComment_Entry));
-}
-
-static void vorbiscomment_entry_array_delete_(FLAC__StreamMetadata_VorbisComment_Entry *object_array, unsigned num_comments)
-{
- unsigned i;
-
- FLAC__ASSERT(0 != object_array && num_comments > 0);
-
- for(i = 0; i < num_comments; i++)
- if(0 != object_array[i].entry)
- free(object_array[i].entry);
-
- if(0 != object_array)
- free(object_array);
-}
-
-static FLAC__StreamMetadata_VorbisComment_Entry *vorbiscomment_entry_array_copy_(const FLAC__StreamMetadata_VorbisComment_Entry *object_array, unsigned num_comments)
-{
- FLAC__StreamMetadata_VorbisComment_Entry *return_array;
-
- FLAC__ASSERT(0 != object_array);
- FLAC__ASSERT(num_comments > 0);
-
- return_array = vorbiscomment_entry_array_new_(num_comments);
-
- if(0 != return_array) {
- unsigned i;
-
- for(i = 0; i < num_comments; i++) {
- if(!copy_vcentry_(return_array+i, object_array+i)) {
- vorbiscomment_entry_array_delete_(return_array, num_comments);
- return 0;
- }
- }
- }
-
- return return_array;
-}
-
-static FLAC__bool vorbiscomment_set_entry_(FLAC__StreamMetadata *object, FLAC__StreamMetadata_VorbisComment_Entry *dest, const FLAC__StreamMetadata_VorbisComment_Entry *src, FLAC__bool copy)
-{
- FLAC__byte *save;
-
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(0 != dest);
- FLAC__ASSERT(0 != src);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
- FLAC__ASSERT((0 != src->entry && src->length > 0) || (0 == src->entry && src->length == 0));
-
- save = dest->entry;
-
- if(0 != src->entry && src->length > 0) {
- if(copy) {
- /* do the copy first so that if we fail we leave the dest object untouched */
- if(!copy_vcentry_(dest, src))
- return false;
- }
- else {
- /* we have to make sure that the string we're taking over is null-terminated */
-
- /*
- * Stripping the const from src->entry is OK since we're taking
- * ownership of the pointer. This is a hack around a deficiency
- * in the API where the same function is used for 'copy' and
- * 'own', but the source entry is a const pointer. If we were
- * precise, the 'own' flavor would be a separate function with a
- * non-const source pointer. But it's not, so we hack away.
- */
- if(!ensure_null_terminated_((FLAC__byte**)(&src->entry), src->length))
- return false;
- *dest = *src;
- }
- }
- else {
- /* the src is null */
- *dest = *src;
- }
-
- if(0 != save)
- free(save);
-
- vorbiscomment_calculate_length_(object);
- return true;
-}
-
-static int vorbiscomment_find_entry_from_(const FLAC__StreamMetadata *object, unsigned offset, const char *field_name, unsigned field_name_length)
-{
- unsigned i;
-
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
- FLAC__ASSERT(0 != field_name);
-
- for(i = offset; i < object->data.vorbis_comment.num_comments; i++) {
- if(FLAC__metadata_object_vorbiscomment_entry_matches(object->data.vorbis_comment.comments[i], field_name, field_name_length))
- return (int)i;
- }
-
- return -1;
-}
-
-static void cuesheet_calculate_length_(FLAC__StreamMetadata *object)
-{
- unsigned i;
-
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
-
- object->length = (
- FLAC__STREAM_METADATA_CUESHEET_MEDIA_CATALOG_NUMBER_LEN +
- FLAC__STREAM_METADATA_CUESHEET_LEAD_IN_LEN +
- FLAC__STREAM_METADATA_CUESHEET_IS_CD_LEN +
- FLAC__STREAM_METADATA_CUESHEET_RESERVED_LEN +
- FLAC__STREAM_METADATA_CUESHEET_NUM_TRACKS_LEN
- ) / 8;
-
- object->length += object->data.cue_sheet.num_tracks * (
- FLAC__STREAM_METADATA_CUESHEET_TRACK_OFFSET_LEN +
- FLAC__STREAM_METADATA_CUESHEET_TRACK_NUMBER_LEN +
- FLAC__STREAM_METADATA_CUESHEET_TRACK_ISRC_LEN +
- FLAC__STREAM_METADATA_CUESHEET_TRACK_TYPE_LEN +
- FLAC__STREAM_METADATA_CUESHEET_TRACK_PRE_EMPHASIS_LEN +
- FLAC__STREAM_METADATA_CUESHEET_TRACK_RESERVED_LEN +
- FLAC__STREAM_METADATA_CUESHEET_TRACK_NUM_INDICES_LEN
- ) / 8;
-
- for(i = 0; i < object->data.cue_sheet.num_tracks; i++) {
- object->length += object->data.cue_sheet.tracks[i].num_indices * (
- FLAC__STREAM_METADATA_CUESHEET_INDEX_OFFSET_LEN +
- FLAC__STREAM_METADATA_CUESHEET_INDEX_NUMBER_LEN +
- FLAC__STREAM_METADATA_CUESHEET_INDEX_RESERVED_LEN
- ) / 8;
- }
-}
-
-static FLAC__StreamMetadata_CueSheet_Index *cuesheet_track_index_array_new_(unsigned num_indices)
-{
- FLAC__ASSERT(num_indices > 0);
-
- return (FLAC__StreamMetadata_CueSheet_Index*)safe_calloc_(num_indices, sizeof(FLAC__StreamMetadata_CueSheet_Index));
-}
-
-static FLAC__StreamMetadata_CueSheet_Track *cuesheet_track_array_new_(unsigned num_tracks)
-{
- FLAC__ASSERT(num_tracks > 0);
-
- return (FLAC__StreamMetadata_CueSheet_Track*)safe_calloc_(num_tracks, sizeof(FLAC__StreamMetadata_CueSheet_Track));
-}
-
-static void cuesheet_track_array_delete_(FLAC__StreamMetadata_CueSheet_Track *object_array, unsigned num_tracks)
-{
- unsigned i;
-
- FLAC__ASSERT(0 != object_array && num_tracks > 0);
-
- for(i = 0; i < num_tracks; i++) {
- if(0 != object_array[i].indices) {
- FLAC__ASSERT(object_array[i].num_indices > 0);
- free(object_array[i].indices);
- }
- }
-
- if(0 != object_array)
- free(object_array);
-}
-
-static FLAC__StreamMetadata_CueSheet_Track *cuesheet_track_array_copy_(const FLAC__StreamMetadata_CueSheet_Track *object_array, unsigned num_tracks)
-{
- FLAC__StreamMetadata_CueSheet_Track *return_array;
-
- FLAC__ASSERT(0 != object_array);
- FLAC__ASSERT(num_tracks > 0);
-
- return_array = cuesheet_track_array_new_(num_tracks);
-
- if(0 != return_array) {
- unsigned i;
-
- for(i = 0; i < num_tracks; i++) {
- if(!copy_track_(return_array+i, object_array+i)) {
- cuesheet_track_array_delete_(return_array, num_tracks);
- return 0;
- }
- }
- }
-
- return return_array;
-}
-
-static FLAC__bool cuesheet_set_track_(FLAC__StreamMetadata *object, FLAC__StreamMetadata_CueSheet_Track *dest, const FLAC__StreamMetadata_CueSheet_Track *src, FLAC__bool copy)
-{
- FLAC__StreamMetadata_CueSheet_Index *save;
-
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(0 != dest);
- FLAC__ASSERT(0 != src);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
- FLAC__ASSERT((0 != src->indices && src->num_indices > 0) || (0 == src->indices && src->num_indices == 0));
-
- save = dest->indices;
-
- /* do the copy first so that if we fail we leave the object untouched */
- if(copy) {
- if(!copy_track_(dest, src))
- return false;
- }
- else {
- *dest = *src;
- }
-
- if(0 != save)
- free(save);
-
- cuesheet_calculate_length_(object);
- return true;
-}
-
-
-/****************************************************************************
- *
- * Metadata object routines
- *
- ***************************************************************************/
-
-FLAC_API FLAC__StreamMetadata *FLAC__metadata_object_new(FLAC__MetadataType type)
-{
- FLAC__StreamMetadata *object;
-
- if(type > FLAC__MAX_METADATA_TYPE_CODE)
- return 0;
-
- object = (FLAC__StreamMetadata*)calloc(1, sizeof(FLAC__StreamMetadata));
- if(0 != object) {
- object->is_last = false;
- object->type = type;
- switch(type) {
- case FLAC__METADATA_TYPE_STREAMINFO:
- object->length = FLAC__STREAM_METADATA_STREAMINFO_LENGTH;
- break;
- case FLAC__METADATA_TYPE_PADDING:
- /* calloc() took care of this for us:
- object->length = 0;
- */
- break;
- case FLAC__METADATA_TYPE_APPLICATION:
- object->length = FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8;
- /* calloc() took care of this for us:
- object->data.application.data = 0;
- */
- break;
- case FLAC__METADATA_TYPE_SEEKTABLE:
- /* calloc() took care of this for us:
- object->length = 0;
- object->data.seek_table.num_points = 0;
- object->data.seek_table.points = 0;
- */
- break;
- case FLAC__METADATA_TYPE_VORBIS_COMMENT:
- object->data.vorbis_comment.vendor_string.length = (unsigned)strlen(FLAC__VENDOR_STRING);
- if(!copy_bytes_(&object->data.vorbis_comment.vendor_string.entry, (const FLAC__byte*)FLAC__VENDOR_STRING, object->data.vorbis_comment.vendor_string.length+1)) {
- free(object);
- return 0;
- }
- vorbiscomment_calculate_length_(object);
- break;
- case FLAC__METADATA_TYPE_CUESHEET:
- cuesheet_calculate_length_(object);
- break;
- case FLAC__METADATA_TYPE_PICTURE:
- object->length = (
- FLAC__STREAM_METADATA_PICTURE_TYPE_LEN +
- FLAC__STREAM_METADATA_PICTURE_MIME_TYPE_LENGTH_LEN + /* empty mime_type string */
- FLAC__STREAM_METADATA_PICTURE_DESCRIPTION_LENGTH_LEN + /* empty description string */
- FLAC__STREAM_METADATA_PICTURE_WIDTH_LEN +
- FLAC__STREAM_METADATA_PICTURE_HEIGHT_LEN +
- FLAC__STREAM_METADATA_PICTURE_DEPTH_LEN +
- FLAC__STREAM_METADATA_PICTURE_COLORS_LEN +
- FLAC__STREAM_METADATA_PICTURE_DATA_LENGTH_LEN +
- 0 /* no data */
- ) / 8;
- object->data.picture.type = FLAC__STREAM_METADATA_PICTURE_TYPE_OTHER;
- object->data.picture.mime_type = 0;
- object->data.picture.description = 0;
- /* calloc() took care of this for us:
- object->data.picture.width = 0;
- object->data.picture.height = 0;
- object->data.picture.depth = 0;
- object->data.picture.colors = 0;
- object->data.picture.data_length = 0;
- object->data.picture.data = 0;
- */
- /* now initialize mime_type and description with empty strings to make things easier on the client */
- if(!copy_cstring_(&object->data.picture.mime_type, "")) {
- free(object);
- return 0;
- }
- if(!copy_cstring_((char**)(&object->data.picture.description), "")) {
- if(object->data.picture.mime_type)
- free(object->data.picture.mime_type);
- free(object);
- return 0;
- }
- break;
- default:
- /* calloc() took care of this for us:
- object->length = 0;
- object->data.unknown.data = 0;
- */
- break;
- }
- }
-
- return object;
-}
-
-FLAC_API FLAC__StreamMetadata *FLAC__metadata_object_clone(const FLAC__StreamMetadata *object)
-{
- FLAC__StreamMetadata *to;
-
- FLAC__ASSERT(0 != object);
-
- if(0 != (to = FLAC__metadata_object_new(object->type))) {
- to->is_last = object->is_last;
- to->type = object->type;
- to->length = object->length;
- switch(to->type) {
- case FLAC__METADATA_TYPE_STREAMINFO:
- memcpy(&to->data.stream_info, &object->data.stream_info, sizeof(FLAC__StreamMetadata_StreamInfo));
- break;
- case FLAC__METADATA_TYPE_PADDING:
- break;
- case FLAC__METADATA_TYPE_APPLICATION:
- if(to->length < FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8) { /* underflow check */
- FLAC__metadata_object_delete(to);
- return 0;
- }
- memcpy(&to->data.application.id, &object->data.application.id, FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8);
- if(!copy_bytes_(&to->data.application.data, object->data.application.data, object->length - FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8)) {
- FLAC__metadata_object_delete(to);
- return 0;
- }
- break;
- case FLAC__METADATA_TYPE_SEEKTABLE:
- to->data.seek_table.num_points = object->data.seek_table.num_points;
- if(to->data.seek_table.num_points > SIZE_MAX / sizeof(FLAC__StreamMetadata_SeekPoint)) { /* overflow check */
- FLAC__metadata_object_delete(to);
- return 0;
- }
- if(!copy_bytes_((FLAC__byte**)&to->data.seek_table.points, (FLAC__byte*)object->data.seek_table.points, object->data.seek_table.num_points * sizeof(FLAC__StreamMetadata_SeekPoint))) {
- FLAC__metadata_object_delete(to);
- return 0;
- }
- break;
- case FLAC__METADATA_TYPE_VORBIS_COMMENT:
- if(0 != to->data.vorbis_comment.vendor_string.entry) {
- free(to->data.vorbis_comment.vendor_string.entry);
- to->data.vorbis_comment.vendor_string.entry = 0;
- }
- if(!copy_vcentry_(&to->data.vorbis_comment.vendor_string, &object->data.vorbis_comment.vendor_string)) {
- FLAC__metadata_object_delete(to);
- return 0;
- }
- if(object->data.vorbis_comment.num_comments == 0) {
- FLAC__ASSERT(0 == object->data.vorbis_comment.comments);
- to->data.vorbis_comment.comments = 0;
- }
- else {
- FLAC__ASSERT(0 != object->data.vorbis_comment.comments);
- to->data.vorbis_comment.comments = vorbiscomment_entry_array_copy_(object->data.vorbis_comment.comments, object->data.vorbis_comment.num_comments);
- if(0 == to->data.vorbis_comment.comments) {
- FLAC__metadata_object_delete(to);
- return 0;
- }
- }
- to->data.vorbis_comment.num_comments = object->data.vorbis_comment.num_comments;
- break;
- case FLAC__METADATA_TYPE_CUESHEET:
- memcpy(&to->data.cue_sheet, &object->data.cue_sheet, sizeof(FLAC__StreamMetadata_CueSheet));
- if(object->data.cue_sheet.num_tracks == 0) {
- FLAC__ASSERT(0 == object->data.cue_sheet.tracks);
- }
- else {
- FLAC__ASSERT(0 != object->data.cue_sheet.tracks);
- to->data.cue_sheet.tracks = cuesheet_track_array_copy_(object->data.cue_sheet.tracks, object->data.cue_sheet.num_tracks);
- if(0 == to->data.cue_sheet.tracks) {
- FLAC__metadata_object_delete(to);
- return 0;
- }
- }
- break;
- case FLAC__METADATA_TYPE_PICTURE:
- to->data.picture.type = object->data.picture.type;
- if(!copy_cstring_(&to->data.picture.mime_type, object->data.picture.mime_type)) {
- FLAC__metadata_object_delete(to);
- return 0;
- }
- if(!copy_cstring_((char**)(&to->data.picture.description), (const char*)object->data.picture.description)) {
- FLAC__metadata_object_delete(to);
- return 0;
- }
- to->data.picture.width = object->data.picture.width;
- to->data.picture.height = object->data.picture.height;
- to->data.picture.depth = object->data.picture.depth;
- to->data.picture.colors = object->data.picture.colors;
- to->data.picture.data_length = object->data.picture.data_length;
- if(!copy_bytes_((&to->data.picture.data), object->data.picture.data, object->data.picture.data_length)) {
- FLAC__metadata_object_delete(to);
- return 0;
- }
- break;
- default:
- if(!copy_bytes_(&to->data.unknown.data, object->data.unknown.data, object->length)) {
- FLAC__metadata_object_delete(to);
- return 0;
- }
- break;
- }
- }
-
- return to;
-}
-
-void FLAC__metadata_object_delete_data(FLAC__StreamMetadata *object)
-{
- FLAC__ASSERT(0 != object);
-
- switch(object->type) {
- case FLAC__METADATA_TYPE_STREAMINFO:
- case FLAC__METADATA_TYPE_PADDING:
- break;
- case FLAC__METADATA_TYPE_APPLICATION:
- if(0 != object->data.application.data) {
- free(object->data.application.data);
- object->data.application.data = 0;
- }
- break;
- case FLAC__METADATA_TYPE_SEEKTABLE:
- if(0 != object->data.seek_table.points) {
- free(object->data.seek_table.points);
- object->data.seek_table.points = 0;
- }
- break;
- case FLAC__METADATA_TYPE_VORBIS_COMMENT:
- if(0 != object->data.vorbis_comment.vendor_string.entry) {
- free(object->data.vorbis_comment.vendor_string.entry);
- object->data.vorbis_comment.vendor_string.entry = 0;
- }
- if(0 != object->data.vorbis_comment.comments) {
- FLAC__ASSERT(object->data.vorbis_comment.num_comments > 0);
- vorbiscomment_entry_array_delete_(object->data.vorbis_comment.comments, object->data.vorbis_comment.num_comments);
- }
- break;
- case FLAC__METADATA_TYPE_CUESHEET:
- if(0 != object->data.cue_sheet.tracks) {
- FLAC__ASSERT(object->data.cue_sheet.num_tracks > 0);
- cuesheet_track_array_delete_(object->data.cue_sheet.tracks, object->data.cue_sheet.num_tracks);
- }
- break;
- case FLAC__METADATA_TYPE_PICTURE:
- if(0 != object->data.picture.mime_type) {
- free(object->data.picture.mime_type);
- object->data.picture.mime_type = 0;
- }
- if(0 != object->data.picture.description) {
- free(object->data.picture.description);
- object->data.picture.description = 0;
- }
- if(0 != object->data.picture.data) {
- free(object->data.picture.data);
- object->data.picture.data = 0;
- }
- break;
- default:
- if(0 != object->data.unknown.data) {
- free(object->data.unknown.data);
- object->data.unknown.data = 0;
- }
- break;
- }
-}
-
-FLAC_API void FLAC__metadata_object_delete(FLAC__StreamMetadata *object)
-{
- FLAC__metadata_object_delete_data(object);
- free(object);
-}
-
-static FLAC__bool compare_block_data_streaminfo_(const FLAC__StreamMetadata_StreamInfo *block1, const FLAC__StreamMetadata_StreamInfo *block2)
-{
- if(block1->min_blocksize != block2->min_blocksize)
- return false;
- if(block1->max_blocksize != block2->max_blocksize)
- return false;
- if(block1->min_framesize != block2->min_framesize)
- return false;
- if(block1->max_framesize != block2->max_framesize)
- return false;
- if(block1->sample_rate != block2->sample_rate)
- return false;
- if(block1->channels != block2->channels)
- return false;
- if(block1->bits_per_sample != block2->bits_per_sample)
- return false;
- if(block1->total_samples != block2->total_samples)
- return false;
- if(0 != memcmp(block1->md5sum, block2->md5sum, 16))
- return false;
- return true;
-}
-
-static FLAC__bool compare_block_data_application_(const FLAC__StreamMetadata_Application *block1, const FLAC__StreamMetadata_Application *block2, unsigned block_length)
-{
- FLAC__ASSERT(0 != block1);
- FLAC__ASSERT(0 != block2);
- FLAC__ASSERT(block_length >= sizeof(block1->id));
-
- if(0 != memcmp(block1->id, block2->id, sizeof(block1->id)))
- return false;
- if(0 != block1->data && 0 != block2->data)
- return 0 == memcmp(block1->data, block2->data, block_length - sizeof(block1->id));
- else
- return block1->data == block2->data;
-}
-
-static FLAC__bool compare_block_data_seektable_(const FLAC__StreamMetadata_SeekTable *block1, const FLAC__StreamMetadata_SeekTable *block2)
-{
- unsigned i;
-
- FLAC__ASSERT(0 != block1);
- FLAC__ASSERT(0 != block2);
-
- if(block1->num_points != block2->num_points)
- return false;
-
- if(0 != block1->points && 0 != block2->points) {
- for(i = 0; i < block1->num_points; i++) {
- if(block1->points[i].sample_number != block2->points[i].sample_number)
- return false;
- if(block1->points[i].stream_offset != block2->points[i].stream_offset)
- return false;
- if(block1->points[i].frame_samples != block2->points[i].frame_samples)
- return false;
- }
- return true;
- }
- else
- return block1->points == block2->points;
-}
-
-static FLAC__bool compare_block_data_vorbiscomment_(const FLAC__StreamMetadata_VorbisComment *block1, const FLAC__StreamMetadata_VorbisComment *block2)
-{
- unsigned i;
-
- if(block1->vendor_string.length != block2->vendor_string.length)
- return false;
-
- if(0 != block1->vendor_string.entry && 0 != block2->vendor_string.entry) {
- if(0 != memcmp(block1->vendor_string.entry, block2->vendor_string.entry, block1->vendor_string.length))
- return false;
- }
- else if(block1->vendor_string.entry != block2->vendor_string.entry)
- return false;
-
- if(block1->num_comments != block2->num_comments)
- return false;
-
- for(i = 0; i < block1->num_comments; i++) {
- if(0 != block1->comments[i].entry && 0 != block2->comments[i].entry) {
- if(0 != memcmp(block1->comments[i].entry, block2->comments[i].entry, block1->comments[i].length))
- return false;
- }
- else if(block1->comments[i].entry != block2->comments[i].entry)
- return false;
- }
- return true;
-}
-
-static FLAC__bool compare_block_data_cuesheet_(const FLAC__StreamMetadata_CueSheet *block1, const FLAC__StreamMetadata_CueSheet *block2)
-{
- unsigned i, j;
-
- if(0 != strcmp(block1->media_catalog_number, block2->media_catalog_number))
- return false;
-
- if(block1->lead_in != block2->lead_in)
- return false;
-
- if(block1->is_cd != block2->is_cd)
- return false;
-
- if(block1->num_tracks != block2->num_tracks)
- return false;
-
- if(0 != block1->tracks && 0 != block2->tracks) {
- FLAC__ASSERT(block1->num_tracks > 0);
- for(i = 0; i < block1->num_tracks; i++) {
- if(block1->tracks[i].offset != block2->tracks[i].offset)
- return false;
- if(block1->tracks[i].number != block2->tracks[i].number)
- return false;
- if(0 != memcmp(block1->tracks[i].isrc, block2->tracks[i].isrc, sizeof(block1->tracks[i].isrc)))
- return false;
- if(block1->tracks[i].type != block2->tracks[i].type)
- return false;
- if(block1->tracks[i].pre_emphasis != block2->tracks[i].pre_emphasis)
- return false;
- if(block1->tracks[i].num_indices != block2->tracks[i].num_indices)
- return false;
- if(0 != block1->tracks[i].indices && 0 != block2->tracks[i].indices) {
- FLAC__ASSERT(block1->tracks[i].num_indices > 0);
- for(j = 0; j < block1->tracks[i].num_indices; j++) {
- if(block1->tracks[i].indices[j].offset != block2->tracks[i].indices[j].offset)
- return false;
- if(block1->tracks[i].indices[j].number != block2->tracks[i].indices[j].number)
- return false;
- }
- }
- else if(block1->tracks[i].indices != block2->tracks[i].indices)
- return false;
- }
- }
- else if(block1->tracks != block2->tracks)
- return false;
- return true;
-}
-
-static FLAC__bool compare_block_data_picture_(const FLAC__StreamMetadata_Picture *block1, const FLAC__StreamMetadata_Picture *block2)
-{
- if(block1->type != block2->type)
- return false;
- if(block1->mime_type != block2->mime_type && (0 == block1->mime_type || 0 == block2->mime_type || strcmp(block1->mime_type, block2->mime_type)))
- return false;
- if(block1->description != block2->description && (0 == block1->description || 0 == block2->description || strcmp((const char *)block1->description, (const char *)block2->description)))
- return false;
- if(block1->width != block2->width)
- return false;
- if(block1->height != block2->height)
- return false;
- if(block1->depth != block2->depth)
- return false;
- if(block1->colors != block2->colors)
- return false;
- if(block1->data_length != block2->data_length)
- return false;
- if(block1->data != block2->data && (0 == block1->data || 0 == block2->data || memcmp(block1->data, block2->data, block1->data_length)))
- return false;
- return true;
-}
-
-static FLAC__bool compare_block_data_unknown_(const FLAC__StreamMetadata_Unknown *block1, const FLAC__StreamMetadata_Unknown *block2, unsigned block_length)
-{
- FLAC__ASSERT(0 != block1);
- FLAC__ASSERT(0 != block2);
-
- if(0 != block1->data && 0 != block2->data)
- return 0 == memcmp(block1->data, block2->data, block_length);
- else
- return block1->data == block2->data;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_is_equal(const FLAC__StreamMetadata *block1, const FLAC__StreamMetadata *block2)
-{
- FLAC__ASSERT(0 != block1);
- FLAC__ASSERT(0 != block2);
-
- if(block1->type != block2->type) {
- return false;
- }
- if(block1->is_last != block2->is_last) {
- return false;
- }
- if(block1->length != block2->length) {
- return false;
- }
- switch(block1->type) {
- case FLAC__METADATA_TYPE_STREAMINFO:
- return compare_block_data_streaminfo_(&block1->data.stream_info, &block2->data.stream_info);
- case FLAC__METADATA_TYPE_PADDING:
- return true; /* we don't compare the padding guts */
- case FLAC__METADATA_TYPE_APPLICATION:
- return compare_block_data_application_(&block1->data.application, &block2->data.application, block1->length);
- case FLAC__METADATA_TYPE_SEEKTABLE:
- return compare_block_data_seektable_(&block1->data.seek_table, &block2->data.seek_table);
- case FLAC__METADATA_TYPE_VORBIS_COMMENT:
- return compare_block_data_vorbiscomment_(&block1->data.vorbis_comment, &block2->data.vorbis_comment);
- case FLAC__METADATA_TYPE_CUESHEET:
- return compare_block_data_cuesheet_(&block1->data.cue_sheet, &block2->data.cue_sheet);
- case FLAC__METADATA_TYPE_PICTURE:
- return compare_block_data_picture_(&block1->data.picture, &block2->data.picture);
- default:
- return compare_block_data_unknown_(&block1->data.unknown, &block2->data.unknown, block1->length);
- }
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_application_set_data(FLAC__StreamMetadata *object, FLAC__byte *data, unsigned length, FLAC__bool copy)
-{
- FLAC__byte *save;
-
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_APPLICATION);
- FLAC__ASSERT((0 != data && length > 0) || (0 == data && length == 0 && copy == false));
-
- save = object->data.application.data;
-
- /* do the copy first so that if we fail we leave the object untouched */
- if(copy) {
- if(!copy_bytes_(&object->data.application.data, data, length))
- return false;
- }
- else {
- object->data.application.data = data;
- }
-
- if(0 != save)
- free(save);
-
- object->length = FLAC__STREAM_METADATA_APPLICATION_ID_LEN / 8 + length;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_resize_points(FLAC__StreamMetadata *object, unsigned new_num_points)
-{
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
-
- if(0 == object->data.seek_table.points) {
- FLAC__ASSERT(object->data.seek_table.num_points == 0);
- if(0 == new_num_points)
- return true;
- else if(0 == (object->data.seek_table.points = seekpoint_array_new_(new_num_points)))
- return false;
- }
- else {
- const size_t old_size = object->data.seek_table.num_points * sizeof(FLAC__StreamMetadata_SeekPoint);
- const size_t new_size = new_num_points * sizeof(FLAC__StreamMetadata_SeekPoint);
-
- /* overflow check */
- if((size_t)new_num_points > SIZE_MAX / sizeof(FLAC__StreamMetadata_SeekPoint))
- return false;
-
- FLAC__ASSERT(object->data.seek_table.num_points > 0);
-
- if(new_size == 0) {
- free(object->data.seek_table.points);
- object->data.seek_table.points = 0;
- }
- else if(0 == (object->data.seek_table.points = (FLAC__StreamMetadata_SeekPoint*)realloc(object->data.seek_table.points, new_size)))
- return false;
-
- /* if growing, set new elements to placeholders */
- if(new_size > old_size) {
- unsigned i;
- for(i = object->data.seek_table.num_points; i < new_num_points; i++) {
- object->data.seek_table.points[i].sample_number = FLAC__STREAM_METADATA_SEEKPOINT_PLACEHOLDER;
- object->data.seek_table.points[i].stream_offset = 0;
- object->data.seek_table.points[i].frame_samples = 0;
- }
- }
- }
-
- object->data.seek_table.num_points = new_num_points;
-
- seektable_calculate_length_(object);
- return true;
-}
-
-FLAC_API void FLAC__metadata_object_seektable_set_point(FLAC__StreamMetadata *object, unsigned point_num, FLAC__StreamMetadata_SeekPoint point)
-{
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
- FLAC__ASSERT(point_num < object->data.seek_table.num_points);
-
- object->data.seek_table.points[point_num] = point;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_insert_point(FLAC__StreamMetadata *object, unsigned point_num, FLAC__StreamMetadata_SeekPoint point)
-{
- int i;
-
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
- FLAC__ASSERT(point_num <= object->data.seek_table.num_points);
-
- if(!FLAC__metadata_object_seektable_resize_points(object, object->data.seek_table.num_points+1))
- return false;
-
- /* move all points >= point_num forward one space */
- for(i = (int)object->data.seek_table.num_points-1; i > (int)point_num; i--)
- object->data.seek_table.points[i] = object->data.seek_table.points[i-1];
-
- FLAC__metadata_object_seektable_set_point(object, point_num, point);
- seektable_calculate_length_(object);
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_delete_point(FLAC__StreamMetadata *object, unsigned point_num)
-{
- unsigned i;
-
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
- FLAC__ASSERT(point_num < object->data.seek_table.num_points);
-
- /* move all points > point_num backward one space */
- for(i = point_num; i < object->data.seek_table.num_points-1; i++)
- object->data.seek_table.points[i] = object->data.seek_table.points[i+1];
-
- return FLAC__metadata_object_seektable_resize_points(object, object->data.seek_table.num_points-1);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_is_legal(const FLAC__StreamMetadata *object)
-{
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
-
- return FLAC__format_seektable_is_legal(&object->data.seek_table);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_template_append_placeholders(FLAC__StreamMetadata *object, unsigned num)
-{
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
-
- if(num > 0)
- /* WATCHOUT: we rely on the fact that growing the array adds PLACEHOLDERS at the end */
- return FLAC__metadata_object_seektable_resize_points(object, object->data.seek_table.num_points + num);
- else
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_template_append_point(FLAC__StreamMetadata *object, FLAC__uint64 sample_number)
-{
- FLAC__StreamMetadata_SeekTable *seek_table;
-
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
-
- seek_table = &object->data.seek_table;
-
- if(!FLAC__metadata_object_seektable_resize_points(object, seek_table->num_points + 1))
- return false;
-
- seek_table->points[seek_table->num_points - 1].sample_number = sample_number;
- seek_table->points[seek_table->num_points - 1].stream_offset = 0;
- seek_table->points[seek_table->num_points - 1].frame_samples = 0;
-
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_template_append_points(FLAC__StreamMetadata *object, FLAC__uint64 sample_numbers[], unsigned num)
-{
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
- FLAC__ASSERT(0 != sample_numbers || num == 0);
-
- if(num > 0) {
- FLAC__StreamMetadata_SeekTable *seek_table = &object->data.seek_table;
- unsigned i, j;
-
- i = seek_table->num_points;
-
- if(!FLAC__metadata_object_seektable_resize_points(object, seek_table->num_points + num))
- return false;
-
- for(j = 0; j < num; i++, j++) {
- seek_table->points[i].sample_number = sample_numbers[j];
- seek_table->points[i].stream_offset = 0;
- seek_table->points[i].frame_samples = 0;
- }
- }
-
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_template_append_spaced_points(FLAC__StreamMetadata *object, unsigned num, FLAC__uint64 total_samples)
-{
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
- FLAC__ASSERT(total_samples > 0);
-
- if(num > 0 && total_samples > 0) {
- FLAC__StreamMetadata_SeekTable *seek_table = &object->data.seek_table;
- unsigned i, j;
-
- i = seek_table->num_points;
-
- if(!FLAC__metadata_object_seektable_resize_points(object, seek_table->num_points + num))
- return false;
-
- for(j = 0; j < num; i++, j++) {
- seek_table->points[i].sample_number = total_samples * (FLAC__uint64)j / (FLAC__uint64)num;
- seek_table->points[i].stream_offset = 0;
- seek_table->points[i].frame_samples = 0;
- }
- }
-
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_template_append_spaced_points_by_samples(FLAC__StreamMetadata *object, unsigned samples, FLAC__uint64 total_samples)
-{
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
- FLAC__ASSERT(samples > 0);
- FLAC__ASSERT(total_samples > 0);
-
- if(samples > 0 && total_samples > 0) {
- FLAC__StreamMetadata_SeekTable *seek_table = &object->data.seek_table;
- unsigned i, j;
- FLAC__uint64 num, sample;
-
- num = 1 + total_samples / samples; /* 1+ for the first sample at 0 */
- /* now account for the fact that we don't place a seekpoint at "total_samples" since samples are number from 0: */
- if(total_samples % samples == 0)
- num--;
-
- i = seek_table->num_points;
-
- if(!FLAC__metadata_object_seektable_resize_points(object, seek_table->num_points + (unsigned)num))
- return false;
-
- sample = 0;
- for(j = 0; j < num; i++, j++, sample += samples) {
- seek_table->points[i].sample_number = sample;
- seek_table->points[i].stream_offset = 0;
- seek_table->points[i].frame_samples = 0;
- }
- }
-
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_seektable_template_sort(FLAC__StreamMetadata *object, FLAC__bool compact)
-{
- unsigned unique;
-
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_SEEKTABLE);
-
- unique = FLAC__format_seektable_sort(&object->data.seek_table);
-
- return !compact || FLAC__metadata_object_seektable_resize_points(object, unique);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_set_vendor_string(FLAC__StreamMetadata *object, FLAC__StreamMetadata_VorbisComment_Entry entry, FLAC__bool copy)
-{
- if(!FLAC__format_vorbiscomment_entry_value_is_legal(entry.entry, entry.length))
- return false;
- return vorbiscomment_set_entry_(object, &object->data.vorbis_comment.vendor_string, &entry, copy);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_resize_comments(FLAC__StreamMetadata *object, unsigned new_num_comments)
-{
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
-
- if(0 == object->data.vorbis_comment.comments) {
- FLAC__ASSERT(object->data.vorbis_comment.num_comments == 0);
- if(0 == new_num_comments)
- return true;
- else if(0 == (object->data.vorbis_comment.comments = vorbiscomment_entry_array_new_(new_num_comments)))
- return false;
- }
- else {
- const size_t old_size = object->data.vorbis_comment.num_comments * sizeof(FLAC__StreamMetadata_VorbisComment_Entry);
- const size_t new_size = new_num_comments * sizeof(FLAC__StreamMetadata_VorbisComment_Entry);
-
- /* overflow check */
- if((size_t)new_num_comments > SIZE_MAX / sizeof(FLAC__StreamMetadata_VorbisComment_Entry))
- return false;
-
- FLAC__ASSERT(object->data.vorbis_comment.num_comments > 0);
-
- /* if shrinking, free the truncated entries */
- if(new_num_comments < object->data.vorbis_comment.num_comments) {
- unsigned i;
- for(i = new_num_comments; i < object->data.vorbis_comment.num_comments; i++)
- if(0 != object->data.vorbis_comment.comments[i].entry)
- free(object->data.vorbis_comment.comments[i].entry);
- }
-
- if(new_size == 0) {
- free(object->data.vorbis_comment.comments);
- object->data.vorbis_comment.comments = 0;
- }
- else if(0 == (object->data.vorbis_comment.comments = (FLAC__StreamMetadata_VorbisComment_Entry*)realloc(object->data.vorbis_comment.comments, new_size)))
- return false;
-
- /* if growing, zero all the length/pointers of new elements */
- if(new_size > old_size)
- memset(object->data.vorbis_comment.comments + object->data.vorbis_comment.num_comments, 0, new_size - old_size);
- }
-
- object->data.vorbis_comment.num_comments = new_num_comments;
-
- vorbiscomment_calculate_length_(object);
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_set_comment(FLAC__StreamMetadata *object, unsigned comment_num, FLAC__StreamMetadata_VorbisComment_Entry entry, FLAC__bool copy)
-{
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(comment_num < object->data.vorbis_comment.num_comments);
-
- if(!FLAC__format_vorbiscomment_entry_is_legal(entry.entry, entry.length))
- return false;
- return vorbiscomment_set_entry_(object, &object->data.vorbis_comment.comments[comment_num], &entry, copy);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_insert_comment(FLAC__StreamMetadata *object, unsigned comment_num, FLAC__StreamMetadata_VorbisComment_Entry entry, FLAC__bool copy)
-{
- FLAC__StreamMetadata_VorbisComment *vc;
-
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
- FLAC__ASSERT(comment_num <= object->data.vorbis_comment.num_comments);
-
- if(!FLAC__format_vorbiscomment_entry_is_legal(entry.entry, entry.length))
- return false;
-
- vc = &object->data.vorbis_comment;
-
- if(!FLAC__metadata_object_vorbiscomment_resize_comments(object, vc->num_comments+1))
- return false;
-
- /* move all comments >= comment_num forward one space */
- memmove(&vc->comments[comment_num+1], &vc->comments[comment_num], sizeof(FLAC__StreamMetadata_VorbisComment_Entry)*(vc->num_comments-1-comment_num));
- vc->comments[comment_num].length = 0;
- vc->comments[comment_num].entry = 0;
-
- return FLAC__metadata_object_vorbiscomment_set_comment(object, comment_num, entry, copy);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_append_comment(FLAC__StreamMetadata *object, FLAC__StreamMetadata_VorbisComment_Entry entry, FLAC__bool copy)
-{
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
- return FLAC__metadata_object_vorbiscomment_insert_comment(object, object->data.vorbis_comment.num_comments, entry, copy);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_replace_comment(FLAC__StreamMetadata *object, FLAC__StreamMetadata_VorbisComment_Entry entry, FLAC__bool all, FLAC__bool copy)
-{
- FLAC__ASSERT(0 != entry.entry && entry.length > 0);
-
- if(!FLAC__format_vorbiscomment_entry_is_legal(entry.entry, entry.length))
- return false;
-
- {
- int i;
- size_t field_name_length;
- const FLAC__byte *eq = (FLAC__byte*)memchr(entry.entry, '=', entry.length);
-
- FLAC__ASSERT(0 != eq);
-
- if(0 == eq)
- return false; /* double protection */
-
- field_name_length = eq-entry.entry;
-
- if((i = vorbiscomment_find_entry_from_(object, 0, (const char *)entry.entry, field_name_length)) >= 0) {
- unsigned index = (unsigned)i;
- if(!FLAC__metadata_object_vorbiscomment_set_comment(object, index, entry, copy))
- return false;
- if(all && (index+1 < object->data.vorbis_comment.num_comments)) {
- for(i = vorbiscomment_find_entry_from_(object, index+1, (const char *)entry.entry, field_name_length); i >= 0; ) {
- if(!FLAC__metadata_object_vorbiscomment_delete_comment(object, (unsigned)i))
- return false;
- if((unsigned)i < object->data.vorbis_comment.num_comments)
- i = vorbiscomment_find_entry_from_(object, (unsigned)i, (const char *)entry.entry, field_name_length);
- else
- i = -1;
- }
- }
- return true;
- }
- else
- return FLAC__metadata_object_vorbiscomment_append_comment(object, entry, copy);
- }
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_delete_comment(FLAC__StreamMetadata *object, unsigned comment_num)
-{
- FLAC__StreamMetadata_VorbisComment *vc;
-
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
- FLAC__ASSERT(comment_num < object->data.vorbis_comment.num_comments);
-
- vc = &object->data.vorbis_comment;
-
- /* free the comment at comment_num */
- if(0 != vc->comments[comment_num].entry)
- free(vc->comments[comment_num].entry);
-
- /* move all comments > comment_num backward one space */
- memmove(&vc->comments[comment_num], &vc->comments[comment_num+1], sizeof(FLAC__StreamMetadata_VorbisComment_Entry)*(vc->num_comments-comment_num-1));
- vc->comments[vc->num_comments-1].length = 0;
- vc->comments[vc->num_comments-1].entry = 0;
-
- return FLAC__metadata_object_vorbiscomment_resize_comments(object, vc->num_comments-1);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_entry_from_name_value_pair(FLAC__StreamMetadata_VorbisComment_Entry *entry, const char *field_name, const char *field_value)
-{
- FLAC__ASSERT(0 != entry);
- FLAC__ASSERT(0 != field_name);
- FLAC__ASSERT(0 != field_value);
-
- if(!FLAC__format_vorbiscomment_entry_name_is_legal(field_name))
- return false;
- if(!FLAC__format_vorbiscomment_entry_value_is_legal((const FLAC__byte *)field_value, (unsigned)(-1)))
- return false;
-
- {
- const size_t nn = strlen(field_name);
- const size_t nv = strlen(field_value);
- entry->length = nn + 1 /*=*/ + nv;
- if(0 == (entry->entry = (FLAC__byte*)safe_malloc_add_4op_(nn, /*+*/1, /*+*/nv, /*+*/1)))
- return false;
- memcpy(entry->entry, field_name, nn);
- entry->entry[nn] = '=';
- memcpy(entry->entry+nn+1, field_value, nv);
- entry->entry[entry->length] = '\0';
- }
-
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_entry_to_name_value_pair(const FLAC__StreamMetadata_VorbisComment_Entry entry, char **field_name, char **field_value)
-{
- FLAC__ASSERT(0 != entry.entry && entry.length > 0);
- FLAC__ASSERT(0 != field_name);
- FLAC__ASSERT(0 != field_value);
-
- if(!FLAC__format_vorbiscomment_entry_is_legal(entry.entry, entry.length))
- return false;
-
- {
- const FLAC__byte *eq = (FLAC__byte*)memchr(entry.entry, '=', entry.length);
- const size_t nn = eq-entry.entry;
- const size_t nv = entry.length-nn-1; /* -1 for the '=' */
- FLAC__ASSERT(0 != eq);
- if(0 == eq)
- return false; /* double protection */
- if(0 == (*field_name = (char*)safe_malloc_add_2op_(nn, /*+*/1)))
- return false;
- if(0 == (*field_value = (char*)safe_malloc_add_2op_(nv, /*+*/1))) {
- free(*field_name);
- return false;
- }
- memcpy(*field_name, entry.entry, nn);
- memcpy(*field_value, entry.entry+nn+1, nv);
- (*field_name)[nn] = '\0';
- (*field_value)[nv] = '\0';
- }
-
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_vorbiscomment_entry_matches(const FLAC__StreamMetadata_VorbisComment_Entry entry, const char *field_name, unsigned field_name_length)
-{
- FLAC__ASSERT(0 != entry.entry && entry.length > 0);
- {
- const FLAC__byte *eq = (FLAC__byte*)memchr(entry.entry, '=', entry.length);
-#if defined _MSC_VER || defined __BORLANDC__ || defined __MINGW32__ || defined __EMX__
-#define FLAC__STRNCASECMP strnicmp
-#else
-#define FLAC__STRNCASECMP strncasecmp
-#endif
- return (0 != eq && (unsigned)(eq-entry.entry) == field_name_length && 0 == FLAC__STRNCASECMP(field_name, (const char *)entry.entry, field_name_length));
-#undef FLAC__STRNCASECMP
- }
-}
-
-FLAC_API int FLAC__metadata_object_vorbiscomment_find_entry_from(const FLAC__StreamMetadata *object, unsigned offset, const char *field_name)
-{
- FLAC__ASSERT(0 != field_name);
-
- return vorbiscomment_find_entry_from_(object, offset, field_name, strlen(field_name));
-}
-
-FLAC_API int FLAC__metadata_object_vorbiscomment_remove_entry_matching(FLAC__StreamMetadata *object, const char *field_name)
-{
- const unsigned field_name_length = strlen(field_name);
- unsigned i;
-
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
-
- for(i = 0; i < object->data.vorbis_comment.num_comments; i++) {
- if(FLAC__metadata_object_vorbiscomment_entry_matches(object->data.vorbis_comment.comments[i], field_name, field_name_length)) {
- if(!FLAC__metadata_object_vorbiscomment_delete_comment(object, i))
- return -1;
- else
- return 1;
- }
- }
-
- return 0;
-}
-
-FLAC_API int FLAC__metadata_object_vorbiscomment_remove_entries_matching(FLAC__StreamMetadata *object, const char *field_name)
-{
- FLAC__bool ok = true;
- unsigned matching = 0;
- const unsigned field_name_length = strlen(field_name);
- int i;
-
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_VORBIS_COMMENT);
-
- /* must delete from end to start otherwise it will interfere with our iteration */
- for(i = (int)object->data.vorbis_comment.num_comments - 1; ok && i >= 0; i--) {
- if(FLAC__metadata_object_vorbiscomment_entry_matches(object->data.vorbis_comment.comments[i], field_name, field_name_length)) {
- matching++;
- ok &= FLAC__metadata_object_vorbiscomment_delete_comment(object, (unsigned)i);
- }
- }
-
- return ok? (int)matching : -1;
-}
-
-FLAC_API FLAC__StreamMetadata_CueSheet_Track *FLAC__metadata_object_cuesheet_track_new(void)
-{
- return (FLAC__StreamMetadata_CueSheet_Track*)calloc(1, sizeof(FLAC__StreamMetadata_CueSheet_Track));
-}
-
-FLAC_API FLAC__StreamMetadata_CueSheet_Track *FLAC__metadata_object_cuesheet_track_clone(const FLAC__StreamMetadata_CueSheet_Track *object)
-{
- FLAC__StreamMetadata_CueSheet_Track *to;
-
- FLAC__ASSERT(0 != object);
-
- if(0 != (to = FLAC__metadata_object_cuesheet_track_new())) {
- if(!copy_track_(to, object)) {
- FLAC__metadata_object_cuesheet_track_delete(to);
- return 0;
- }
- }
-
- return to;
-}
-
-void FLAC__metadata_object_cuesheet_track_delete_data(FLAC__StreamMetadata_CueSheet_Track *object)
-{
- FLAC__ASSERT(0 != object);
-
- if(0 != object->indices) {
- FLAC__ASSERT(object->num_indices > 0);
- free(object->indices);
- }
-}
-
-FLAC_API void FLAC__metadata_object_cuesheet_track_delete(FLAC__StreamMetadata_CueSheet_Track *object)
-{
- FLAC__metadata_object_cuesheet_track_delete_data(object);
- free(object);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_track_resize_indices(FLAC__StreamMetadata *object, unsigned track_num, unsigned new_num_indices)
-{
- FLAC__StreamMetadata_CueSheet_Track *track;
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
- FLAC__ASSERT(track_num < object->data.cue_sheet.num_tracks);
-
- track = &object->data.cue_sheet.tracks[track_num];
-
- if(0 == track->indices) {
- FLAC__ASSERT(track->num_indices == 0);
- if(0 == new_num_indices)
- return true;
- else if(0 == (track->indices = cuesheet_track_index_array_new_(new_num_indices)))
- return false;
- }
- else {
- const size_t old_size = track->num_indices * sizeof(FLAC__StreamMetadata_CueSheet_Index);
- const size_t new_size = new_num_indices * sizeof(FLAC__StreamMetadata_CueSheet_Index);
-
- /* overflow check */
- if((size_t)new_num_indices > SIZE_MAX / sizeof(FLAC__StreamMetadata_CueSheet_Index))
- return false;
-
- FLAC__ASSERT(track->num_indices > 0);
-
- if(new_size == 0) {
- free(track->indices);
- track->indices = 0;
- }
- else if(0 == (track->indices = (FLAC__StreamMetadata_CueSheet_Index*)realloc(track->indices, new_size)))
- return false;
-
- /* if growing, zero all the lengths/pointers of new elements */
- if(new_size > old_size)
- memset(track->indices + track->num_indices, 0, new_size - old_size);
- }
-
- track->num_indices = new_num_indices;
-
- cuesheet_calculate_length_(object);
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_track_insert_index(FLAC__StreamMetadata *object, unsigned track_num, unsigned index_num, FLAC__StreamMetadata_CueSheet_Index index)
-{
- FLAC__StreamMetadata_CueSheet_Track *track;
-
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
- FLAC__ASSERT(track_num < object->data.cue_sheet.num_tracks);
- FLAC__ASSERT(index_num <= object->data.cue_sheet.tracks[track_num].num_indices);
-
- track = &object->data.cue_sheet.tracks[track_num];
-
- if(!FLAC__metadata_object_cuesheet_track_resize_indices(object, track_num, track->num_indices+1))
- return false;
-
- /* move all indices >= index_num forward one space */
- memmove(&track->indices[index_num+1], &track->indices[index_num], sizeof(FLAC__StreamMetadata_CueSheet_Index)*(track->num_indices-1-index_num));
-
- track->indices[index_num] = index;
- cuesheet_calculate_length_(object);
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_track_insert_blank_index(FLAC__StreamMetadata *object, unsigned track_num, unsigned index_num)
-{
- FLAC__StreamMetadata_CueSheet_Index index;
- memset(&index, 0, sizeof(index));
- return FLAC__metadata_object_cuesheet_track_insert_index(object, track_num, index_num, index);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_track_delete_index(FLAC__StreamMetadata *object, unsigned track_num, unsigned index_num)
-{
- FLAC__StreamMetadata_CueSheet_Track *track;
-
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
- FLAC__ASSERT(track_num < object->data.cue_sheet.num_tracks);
- FLAC__ASSERT(index_num < object->data.cue_sheet.tracks[track_num].num_indices);
-
- track = &object->data.cue_sheet.tracks[track_num];
-
- /* move all indices > index_num backward one space */
- memmove(&track->indices[index_num], &track->indices[index_num+1], sizeof(FLAC__StreamMetadata_CueSheet_Index)*(track->num_indices-index_num-1));
-
- FLAC__metadata_object_cuesheet_track_resize_indices(object, track_num, track->num_indices-1);
- cuesheet_calculate_length_(object);
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_resize_tracks(FLAC__StreamMetadata *object, unsigned new_num_tracks)
-{
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
-
- if(0 == object->data.cue_sheet.tracks) {
- FLAC__ASSERT(object->data.cue_sheet.num_tracks == 0);
- if(0 == new_num_tracks)
- return true;
- else if(0 == (object->data.cue_sheet.tracks = cuesheet_track_array_new_(new_num_tracks)))
- return false;
- }
- else {
- const size_t old_size = object->data.cue_sheet.num_tracks * sizeof(FLAC__StreamMetadata_CueSheet_Track);
- const size_t new_size = new_num_tracks * sizeof(FLAC__StreamMetadata_CueSheet_Track);
-
- /* overflow check */
- if((size_t)new_num_tracks > SIZE_MAX / sizeof(FLAC__StreamMetadata_CueSheet_Track))
- return false;
-
- FLAC__ASSERT(object->data.cue_sheet.num_tracks > 0);
-
- /* if shrinking, free the truncated entries */
- if(new_num_tracks < object->data.cue_sheet.num_tracks) {
- unsigned i;
- for(i = new_num_tracks; i < object->data.cue_sheet.num_tracks; i++)
- if(0 != object->data.cue_sheet.tracks[i].indices)
- free(object->data.cue_sheet.tracks[i].indices);
- }
-
- if(new_size == 0) {
- free(object->data.cue_sheet.tracks);
- object->data.cue_sheet.tracks = 0;
- }
- else if(0 == (object->data.cue_sheet.tracks = (FLAC__StreamMetadata_CueSheet_Track*)realloc(object->data.cue_sheet.tracks, new_size)))
- return false;
-
- /* if growing, zero all the lengths/pointers of new elements */
- if(new_size > old_size)
- memset(object->data.cue_sheet.tracks + object->data.cue_sheet.num_tracks, 0, new_size - old_size);
- }
-
- object->data.cue_sheet.num_tracks = new_num_tracks;
-
- cuesheet_calculate_length_(object);
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_set_track(FLAC__StreamMetadata *object, unsigned track_num, FLAC__StreamMetadata_CueSheet_Track *track, FLAC__bool copy)
-{
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(track_num < object->data.cue_sheet.num_tracks);
-
- return cuesheet_set_track_(object, object->data.cue_sheet.tracks + track_num, track, copy);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_insert_track(FLAC__StreamMetadata *object, unsigned track_num, FLAC__StreamMetadata_CueSheet_Track *track, FLAC__bool copy)
-{
- FLAC__StreamMetadata_CueSheet *cs;
-
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
- FLAC__ASSERT(track_num <= object->data.cue_sheet.num_tracks);
-
- cs = &object->data.cue_sheet;
-
- if(!FLAC__metadata_object_cuesheet_resize_tracks(object, cs->num_tracks+1))
- return false;
-
- /* move all tracks >= track_num forward one space */
- memmove(&cs->tracks[track_num+1], &cs->tracks[track_num], sizeof(FLAC__StreamMetadata_CueSheet_Track)*(cs->num_tracks-1-track_num));
- cs->tracks[track_num].num_indices = 0;
- cs->tracks[track_num].indices = 0;
-
- return FLAC__metadata_object_cuesheet_set_track(object, track_num, track, copy);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_insert_blank_track(FLAC__StreamMetadata *object, unsigned track_num)
-{
- FLAC__StreamMetadata_CueSheet_Track track;
- memset(&track, 0, sizeof(track));
- return FLAC__metadata_object_cuesheet_insert_track(object, track_num, &track, /*copy=*/false);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_delete_track(FLAC__StreamMetadata *object, unsigned track_num)
-{
- FLAC__StreamMetadata_CueSheet *cs;
-
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
- FLAC__ASSERT(track_num < object->data.cue_sheet.num_tracks);
-
- cs = &object->data.cue_sheet;
-
- /* free the track at track_num */
- if(0 != cs->tracks[track_num].indices)
- free(cs->tracks[track_num].indices);
-
- /* move all tracks > track_num backward one space */
- memmove(&cs->tracks[track_num], &cs->tracks[track_num+1], sizeof(FLAC__StreamMetadata_CueSheet_Track)*(cs->num_tracks-track_num-1));
- cs->tracks[cs->num_tracks-1].num_indices = 0;
- cs->tracks[cs->num_tracks-1].indices = 0;
-
- return FLAC__metadata_object_cuesheet_resize_tracks(object, cs->num_tracks-1);
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_cuesheet_is_legal(const FLAC__StreamMetadata *object, FLAC__bool check_cd_da_subset, const char **violation)
-{
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
-
- return FLAC__format_cuesheet_is_legal(&object->data.cue_sheet, check_cd_da_subset, violation);
-}
-
-static FLAC__uint64 get_index_01_offset_(const FLAC__StreamMetadata_CueSheet *cs, unsigned track)
-{
- if (track >= (cs->num_tracks-1) || cs->tracks[track].num_indices < 1)
- return 0;
- else if (cs->tracks[track].indices[0].number == 1)
- return cs->tracks[track].indices[0].offset + cs->tracks[track].offset + cs->lead_in;
- else if (cs->tracks[track].num_indices < 2)
- return 0;
- else if (cs->tracks[track].indices[1].number == 1)
- return cs->tracks[track].indices[1].offset + cs->tracks[track].offset + cs->lead_in;
- else
- return 0;
-}
-
-static FLAC__uint32 cddb_add_digits_(FLAC__uint32 x)
-{
- FLAC__uint32 n = 0;
- while (x) {
- n += (x%10);
- x /= 10;
- }
- return n;
-}
-
-/*@@@@add to tests*/
-FLAC_API FLAC__uint32 FLAC__metadata_object_cuesheet_calculate_cddb_id(const FLAC__StreamMetadata *object)
-{
- const FLAC__StreamMetadata_CueSheet *cs;
-
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_CUESHEET);
-
- cs = &object->data.cue_sheet;
-
- if (cs->num_tracks < 2) /* need at least one real track and the lead-out track */
- return 0;
-
- {
- FLAC__uint32 i, length, sum = 0;
- for (i = 0; i < (cs->num_tracks-1); i++) /* -1 to avoid counting the lead-out */
- sum += cddb_add_digits_((FLAC__uint32)(get_index_01_offset_(cs, i) / 44100));
- length = (FLAC__uint32)((cs->tracks[cs->num_tracks-1].offset+cs->lead_in) / 44100) - (FLAC__uint32)(get_index_01_offset_(cs, 0) / 44100);
-
- return (sum % 0xFF) << 24 | length << 8 | (FLAC__uint32)(cs->num_tracks-1);
- }
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_picture_set_mime_type(FLAC__StreamMetadata *object, char *mime_type, FLAC__bool copy)
-{
- char *old;
- size_t old_length, new_length;
-
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_PICTURE);
- FLAC__ASSERT(0 != mime_type);
-
- old = object->data.picture.mime_type;
- old_length = old? strlen(old) : 0;
- new_length = strlen(mime_type);
-
- /* do the copy first so that if we fail we leave the object untouched */
- if(copy) {
- if(new_length >= SIZE_MAX) /* overflow check */
- return false;
- if(!copy_bytes_((FLAC__byte**)(&object->data.picture.mime_type), (FLAC__byte*)mime_type, new_length+1))
- return false;
- }
- else {
- object->data.picture.mime_type = mime_type;
- }
-
- if(0 != old)
- free(old);
-
- object->length -= old_length;
- object->length += new_length;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_picture_set_description(FLAC__StreamMetadata *object, FLAC__byte *description, FLAC__bool copy)
-{
- FLAC__byte *old;
- size_t old_length, new_length;
-
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_PICTURE);
- FLAC__ASSERT(0 != description);
-
- old = object->data.picture.description;
- old_length = old? strlen((const char *)old) : 0;
- new_length = strlen((const char *)description);
-
- /* do the copy first so that if we fail we leave the object untouched */
- if(copy) {
- if(new_length >= SIZE_MAX) /* overflow check */
- return false;
- if(!copy_bytes_(&object->data.picture.description, description, new_length+1))
- return false;
- }
- else {
- object->data.picture.description = description;
- }
-
- if(0 != old)
- free(old);
-
- object->length -= old_length;
- object->length += new_length;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_picture_set_data(FLAC__StreamMetadata *object, FLAC__byte *data, FLAC__uint32 length, FLAC__bool copy)
-{
- FLAC__byte *old;
-
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_PICTURE);
- FLAC__ASSERT((0 != data && length > 0) || (0 == data && length == 0 && copy == false));
-
- old = object->data.picture.data;
-
- /* do the copy first so that if we fail we leave the object untouched */
- if(copy) {
- if(!copy_bytes_(&object->data.picture.data, data, length))
- return false;
- }
- else {
- object->data.picture.data = data;
- }
-
- if(0 != old)
- free(old);
-
- object->length -= object->data.picture.data_length;
- object->data.picture.data_length = length;
- object->length += length;
- return true;
-}
-
-FLAC_API FLAC__bool FLAC__metadata_object_picture_is_legal(const FLAC__StreamMetadata *object, const char **violation)
-{
- FLAC__ASSERT(0 != object);
- FLAC__ASSERT(object->type == FLAC__METADATA_TYPE_PICTURE);
-
- return FLAC__format_picture_is_legal(&object->data.picture, violation);
-}
diff --git a/libFLAC/ogg_decoder_aspect.c b/libFLAC/ogg_decoder_aspect.c
deleted file mode 100644
index 6974de3..0000000
--- a/libFLAC/ogg_decoder_aspect.c
+++ /dev/null
@@ -1,253 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec
- * Copyright (C) 2002,2003,2004,2005,2006,2007 Josh Coalson
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <string.h> /* for memcpy() */
-#include "FLAC/assert.h"
-#include "private/ogg_decoder_aspect.h"
-#include "private/ogg_mapping.h"
-
-#ifdef max
-#undef max
-#endif
-#define max(x,y) ((x)>(y)?(x):(y))
-
-/***********************************************************************
- *
- * Public class methods
- *
- ***********************************************************************/
-
-FLAC__bool FLAC__ogg_decoder_aspect_init(FLAC__OggDecoderAspect *aspect)
-{
- /* we will determine the serial number later if necessary */
- if(ogg_stream_init(&aspect->stream_state, aspect->serial_number) != 0)
- return false;
-
- if(ogg_sync_init(&aspect->sync_state) != 0)
- return false;
-
- aspect->version_major = ~(0u);
- aspect->version_minor = ~(0u);
-
- aspect->need_serial_number = aspect->use_first_serial_number;
-
- aspect->end_of_stream = false;
- aspect->have_working_page = false;
-
- return true;
-}
-
-void FLAC__ogg_decoder_aspect_finish(FLAC__OggDecoderAspect *aspect)
-{
- (void)ogg_sync_clear(&aspect->sync_state);
- (void)ogg_stream_clear(&aspect->stream_state);
-}
-
-void FLAC__ogg_decoder_aspect_set_serial_number(FLAC__OggDecoderAspect *aspect, long value)
-{
- aspect->use_first_serial_number = false;
- aspect->serial_number = value;
-}
-
-void FLAC__ogg_decoder_aspect_set_defaults(FLAC__OggDecoderAspect *aspect)
-{
- aspect->use_first_serial_number = true;
-}
-
-void FLAC__ogg_decoder_aspect_flush(FLAC__OggDecoderAspect *aspect)
-{
- (void)ogg_stream_reset(&aspect->stream_state);
- (void)ogg_sync_reset(&aspect->sync_state);
- aspect->end_of_stream = false;
- aspect->have_working_page = false;
-}
-
-void FLAC__ogg_decoder_aspect_reset(FLAC__OggDecoderAspect *aspect)
-{
- FLAC__ogg_decoder_aspect_flush(aspect);
-
- if(aspect->use_first_serial_number)
- aspect->need_serial_number = true;
-}
-
-FLAC__OggDecoderAspectReadStatus FLAC__ogg_decoder_aspect_read_callback_wrapper(FLAC__OggDecoderAspect *aspect, FLAC__byte buffer[], size_t *bytes, FLAC__OggDecoderAspectReadCallbackProxy read_callback, const FLAC__StreamDecoder *decoder, void *client_data)
-{
- static const size_t OGG_BYTES_CHUNK = 8192;
- const size_t bytes_requested = *bytes;
-
- /*
- * The FLAC decoding API uses pull-based reads, whereas Ogg decoding
- * is push-based. In libFLAC, when you ask to decode a frame, the
- * decoder will eventually call the read callback to supply some data,
- * but how much it asks for depends on how much free space it has in
- * its internal buffer. It does not try to grow its internal buffer
- * to accomodate a whole frame because then the internal buffer size
- * could not be limited, which is necessary in embedded applications.
- *
- * Ogg however grows its internal buffer until a whole page is present;
- * only then can you get decoded data out. So we can't just ask for
- * the same number of bytes from Ogg, then pass what's decoded down to
- * libFLAC. If what libFLAC is asking for will not contain a whole
- * page, then we will get no data from ogg_sync_pageout(), and at the
- * same time cannot just read more data from the client for the purpose
- * of getting a whole decoded page because the decoded size might be
- * larger than libFLAC's internal buffer.
- *
- * Instead, whenever this read callback wrapper is called, we will
- * continually request data from the client until we have at least one
- * page, and manage pages internally so that we can send pieces of
- * pages down to libFLAC in such a way that we obey its size
- * requirement. To limit the amount of callbacks, we will always try
- * to read in enough pages to return the full number of bytes
- * requested.
- */
- *bytes = 0;
- while (*bytes < bytes_requested && !aspect->end_of_stream) {
- if (aspect->have_working_page) {
- if (aspect->have_working_packet) {
- size_t n = bytes_requested - *bytes;
- if ((size_t)aspect->working_packet.bytes <= n) {
- /* the rest of the packet will fit in the buffer */
- n = aspect->working_packet.bytes;
- memcpy(buffer, aspect->working_packet.packet, n);
- *bytes += n;
- buffer += n;
- aspect->have_working_packet = false;
- }
- else {
- /* only n bytes of the packet will fit in the buffer */
- memcpy(buffer, aspect->working_packet.packet, n);
- *bytes += n;
- buffer += n;
- aspect->working_packet.packet += n;
- aspect->working_packet.bytes -= n;
- }
- }
- else {
- /* try and get another packet */
- const int ret = ogg_stream_packetout(&aspect->stream_state, &aspect->working_packet);
- if (ret > 0) {
- aspect->have_working_packet = true;
- /* if it is the first header packet, check for magic and a supported Ogg FLAC mapping version */
- if (aspect->working_packet.bytes > 0 && aspect->working_packet.packet[0] == FLAC__OGG_MAPPING_FIRST_HEADER_PACKET_TYPE) {
- const FLAC__byte *b = aspect->working_packet.packet;
- const unsigned header_length =
- FLAC__OGG_MAPPING_PACKET_TYPE_LENGTH +
- FLAC__OGG_MAPPING_MAGIC_LENGTH +
- FLAC__OGG_MAPPING_VERSION_MAJOR_LENGTH +
- FLAC__OGG_MAPPING_VERSION_MINOR_LENGTH +
- FLAC__OGG_MAPPING_NUM_HEADERS_LENGTH;
- if (aspect->working_packet.bytes < (long)header_length)
- return FLAC__OGG_DECODER_ASPECT_READ_STATUS_NOT_FLAC;
- b += FLAC__OGG_MAPPING_PACKET_TYPE_LENGTH;
- if (memcmp(b, FLAC__OGG_MAPPING_MAGIC, FLAC__OGG_MAPPING_MAGIC_LENGTH))
- return FLAC__OGG_DECODER_ASPECT_READ_STATUS_NOT_FLAC;
- b += FLAC__OGG_MAPPING_MAGIC_LENGTH;
- aspect->version_major = (unsigned)(*b);
- b += FLAC__OGG_MAPPING_VERSION_MAJOR_LENGTH;
- aspect->version_minor = (unsigned)(*b);
- if (aspect->version_major != 1)
- return FLAC__OGG_DECODER_ASPECT_READ_STATUS_UNSUPPORTED_MAPPING_VERSION;
- aspect->working_packet.packet += header_length;
- aspect->working_packet.bytes -= header_length;
- }
- }
- else if (ret == 0) {
- aspect->have_working_page = false;
- }
- else { /* ret < 0 */
- /* lost sync, we'll leave the working page for the next call */
- return FLAC__OGG_DECODER_ASPECT_READ_STATUS_LOST_SYNC;
- }
- }
- }
- else {
- /* try and get another page */
- const int ret = ogg_sync_pageout(&aspect->sync_state, &aspect->working_page);
- if (ret > 0) {
- /* got a page, grab the serial number if necessary */
- if(aspect->need_serial_number) {
- aspect->stream_state.serialno = aspect->serial_number = ogg_page_serialno(&aspect->working_page);
- aspect->need_serial_number = false;
- }
- if(ogg_stream_pagein(&aspect->stream_state, &aspect->working_page) == 0) {
- aspect->have_working_page = true;
- aspect->have_working_packet = false;
- }
- /* else do nothing, could be a page from another stream */
- }
- else if (ret == 0) {
- /* need more data */
- const size_t ogg_bytes_to_read = max(bytes_requested - *bytes, OGG_BYTES_CHUNK);
- char *oggbuf = ogg_sync_buffer(&aspect->sync_state, ogg_bytes_to_read);
-
- if(0 == oggbuf) {
- return FLAC__OGG_DECODER_ASPECT_READ_STATUS_MEMORY_ALLOCATION_ERROR;
- }
- else {
- size_t ogg_bytes_read = ogg_bytes_to_read;
-
- switch(read_callback(decoder, (FLAC__byte*)oggbuf, &ogg_bytes_read, client_data)) {
- case FLAC__OGG_DECODER_ASPECT_READ_STATUS_OK:
- break;
- case FLAC__OGG_DECODER_ASPECT_READ_STATUS_END_OF_STREAM:
- aspect->end_of_stream = true;
- break;
- case FLAC__OGG_DECODER_ASPECT_READ_STATUS_ABORT:
- return FLAC__OGG_DECODER_ASPECT_READ_STATUS_ABORT;
- default:
- FLAC__ASSERT(0);
- }
-
- if(ogg_sync_wrote(&aspect->sync_state, ogg_bytes_read) < 0) {
- /* double protection; this will happen if the read callback returns more bytes than the max requested, which would overflow Ogg's internal buffer */
- FLAC__ASSERT(0);
- return FLAC__OGG_DECODER_ASPECT_READ_STATUS_ERROR;
- }
- }
- }
- else { /* ret < 0 */
- /* lost sync, bail out */
- return FLAC__OGG_DECODER_ASPECT_READ_STATUS_LOST_SYNC;
- }
- }
- }
-
- if (aspect->end_of_stream && *bytes == 0) {
- return FLAC__OGG_DECODER_ASPECT_READ_STATUS_END_OF_STREAM;
- }
-
- return FLAC__OGG_DECODER_ASPECT_READ_STATUS_OK;
-}
diff --git a/libFLAC/ogg_encoder_aspect.c b/libFLAC/ogg_encoder_aspect.c
deleted file mode 100644
index 37df089..0000000
--- a/libFLAC/ogg_encoder_aspect.c
+++ /dev/null
@@ -1,227 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec
- * Copyright (C) 2002,2003,2004,2005,2006,2007 Josh Coalson
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <string.h> /* for memset() */
-#include "FLAC/assert.h"
-#include "private/ogg_encoder_aspect.h"
-#include "private/ogg_mapping.h"
-
-static const FLAC__byte FLAC__OGG_MAPPING_VERSION_MAJOR = 1;
-static const FLAC__byte FLAC__OGG_MAPPING_VERSION_MINOR = 0;
-
-/***********************************************************************
- *
- * Public class methods
- *
- ***********************************************************************/
-
-FLAC__bool FLAC__ogg_encoder_aspect_init(FLAC__OggEncoderAspect *aspect)
-{
- /* we will determine the serial number later if necessary */
- if(ogg_stream_init(&aspect->stream_state, aspect->serial_number) != 0)
- return false;
-
- aspect->seen_magic = false;
- aspect->is_first_packet = true;
- aspect->samples_written = 0;
-
- return true;
-}
-
-void FLAC__ogg_encoder_aspect_finish(FLAC__OggEncoderAspect *aspect)
-{
- (void)ogg_stream_clear(&aspect->stream_state);
- /*@@@ what about the page? */
-}
-
-void FLAC__ogg_encoder_aspect_set_serial_number(FLAC__OggEncoderAspect *aspect, long value)
-{
- aspect->serial_number = value;
-}
-
-FLAC__bool FLAC__ogg_encoder_aspect_set_num_metadata(FLAC__OggEncoderAspect *aspect, unsigned value)
-{
- if(value < (1u << FLAC__OGG_MAPPING_NUM_HEADERS_LEN)) {
- aspect->num_metadata = value;
- return true;
- }
- else
- return false;
-}
-
-void FLAC__ogg_encoder_aspect_set_defaults(FLAC__OggEncoderAspect *aspect)
-{
- aspect->serial_number = 0;
- aspect->num_metadata = 0;
-}
-
-/*
- * The basic FLAC -> Ogg mapping goes like this:
- *
- * - 'fLaC' magic and STREAMINFO block get combined into the first
- * packet. The packet is prefixed with
- * + the one-byte packet type 0x7F
- * + 'FLAC' magic
- * + the 2 byte Ogg FLAC mapping version number
- * + tne 2 byte big-endian # of header packets
- * - The first packet is flushed to the first page.
- * - Each subsequent metadata block goes into its own packet.
- * - Each metadata packet is flushed to page (this is not required,
- * the mapping only requires that a flush must occur after all
- * metadata is written).
- * - Each subsequent FLAC audio frame goes into its own packet.
- *
- * WATCHOUT:
- * This depends on the behavior of FLAC__StreamEncoder that we get a
- * separate write callback for the fLaC magic, and then separate write
- * callbacks for each metadata block and audio frame.
- */
-FLAC__StreamEncoderWriteStatus FLAC__ogg_encoder_aspect_write_callback_wrapper(FLAC__OggEncoderAspect *aspect, const FLAC__byte buffer[], size_t bytes, unsigned samples, unsigned current_frame, FLAC__bool is_last_block, FLAC__OggEncoderAspectWriteCallbackProxy write_callback, void *encoder, void *client_data)
-{
- /* WATCHOUT:
- * This depends on the behavior of FLAC__StreamEncoder that 'samples'
- * will be 0 for metadata writes.
- */
- const FLAC__bool is_metadata = (samples == 0);
-
- /*
- * Treat fLaC magic packet specially. We will note when we see it, then
- * wait until we get the STREAMINFO and prepend it in that packet
- */
- if(aspect->seen_magic) {
- ogg_packet packet;
- FLAC__byte synthetic_first_packet_body[
- FLAC__OGG_MAPPING_PACKET_TYPE_LENGTH +
- FLAC__OGG_MAPPING_MAGIC_LENGTH +
- FLAC__OGG_MAPPING_VERSION_MAJOR_LENGTH +
- FLAC__OGG_MAPPING_VERSION_MINOR_LENGTH +
- FLAC__OGG_MAPPING_NUM_HEADERS_LENGTH +
- FLAC__STREAM_SYNC_LENGTH +
- FLAC__STREAM_METADATA_HEADER_LENGTH +
- FLAC__STREAM_METADATA_STREAMINFO_LENGTH
- ];
-
- memset(&packet, 0, sizeof(packet));
- packet.granulepos = aspect->samples_written + samples;
-
- if(aspect->is_first_packet) {
- FLAC__byte *b = synthetic_first_packet_body;
- if(bytes != FLAC__STREAM_METADATA_HEADER_LENGTH + FLAC__STREAM_METADATA_STREAMINFO_LENGTH) {
- /*
- * If we get here, our assumption about the way write callbacks happen
- * (explained above) is wrong
- */
- FLAC__ASSERT(0);
- return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
- }
- /* add first header packet type */
- *b = FLAC__OGG_MAPPING_FIRST_HEADER_PACKET_TYPE;
- b += FLAC__OGG_MAPPING_PACKET_TYPE_LENGTH;
- /* add 'FLAC' mapping magic */
- memcpy(b, FLAC__OGG_MAPPING_MAGIC, FLAC__OGG_MAPPING_MAGIC_LENGTH);
- b += FLAC__OGG_MAPPING_MAGIC_LENGTH;
- /* add Ogg FLAC mapping major version number */
- memcpy(b, &FLAC__OGG_MAPPING_VERSION_MAJOR, FLAC__OGG_MAPPING_VERSION_MAJOR_LENGTH);
- b += FLAC__OGG_MAPPING_VERSION_MAJOR_LENGTH;
- /* add Ogg FLAC mapping minor version number */
- memcpy(b, &FLAC__OGG_MAPPING_VERSION_MINOR, FLAC__OGG_MAPPING_VERSION_MINOR_LENGTH);
- b += FLAC__OGG_MAPPING_VERSION_MINOR_LENGTH;
- /* add number of header packets */
- *b = (FLAC__byte)(aspect->num_metadata >> 8);
- b++;
- *b = (FLAC__byte)(aspect->num_metadata);
- b++;
- /* add native FLAC 'fLaC' magic */
- memcpy(b, FLAC__STREAM_SYNC_STRING, FLAC__STREAM_SYNC_LENGTH);
- b += FLAC__STREAM_SYNC_LENGTH;
- /* add STREAMINFO */
- memcpy(b, buffer, bytes);
- FLAC__ASSERT(b + bytes - synthetic_first_packet_body == sizeof(synthetic_first_packet_body));
- packet.packet = (unsigned char *)synthetic_first_packet_body;
- packet.bytes = sizeof(synthetic_first_packet_body);
-
- packet.b_o_s = 1;
- aspect->is_first_packet = false;
- }
- else {
- packet.packet = (unsigned char *)buffer;
- packet.bytes = bytes;
- }
-
- if(is_last_block) {
- /* we used to check:
- * FLAC__ASSERT(total_samples_estimate == 0 || total_samples_estimate == aspect->samples_written + samples);
- * but it's really not useful since total_samples_estimate is an estimate and can be inexact
- */
- packet.e_o_s = 1;
- }
-
- if(ogg_stream_packetin(&aspect->stream_state, &packet) != 0)
- return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
-
- /*@@@ can't figure out a way to pass a useful number for 'samples' to the write_callback, so we'll just pass 0 */
- if(is_metadata) {
- while(ogg_stream_flush(&aspect->stream_state, &aspect->page) != 0) {
- if(write_callback(encoder, aspect->page.header, aspect->page.header_len, 0, current_frame, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK)
- return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
- if(write_callback(encoder, aspect->page.body, aspect->page.body_len, 0, current_frame, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK)
- return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
- }
- }
- else {
- while(ogg_stream_pageout(&aspect->stream_state, &aspect->page) != 0) {
- if(write_callback(encoder, aspect->page.header, aspect->page.header_len, 0, current_frame, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK)
- return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
- if(write_callback(encoder, aspect->page.body, aspect->page.body_len, 0, current_frame, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK)
- return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
- }
- }
- }
- else if(is_metadata && current_frame == 0 && samples == 0 && bytes == 4 && 0 == memcmp(buffer, FLAC__STREAM_SYNC_STRING, sizeof(FLAC__STREAM_SYNC_STRING))) {
- aspect->seen_magic = true;
- }
- else {
- /*
- * If we get here, our assumption about the way write callbacks happen
- * explained above is wrong
- */
- FLAC__ASSERT(0);
- return FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
- }
-
- aspect->samples_written += samples;
-
- return FLAC__STREAM_ENCODER_WRITE_STATUS_OK;
-}
diff --git a/libFLAC/ogg_helper.c b/libFLAC/ogg_helper.c
deleted file mode 100644
index 73f9f0b..0000000
--- a/libFLAC/ogg_helper.c
+++ /dev/null
@@ -1,209 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec
- * Copyright (C) 2004,2005,2006,2007 Josh Coalson
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include <stdlib.h> /* for malloc() */
-#include <string.h> /* for memcmp(), memcpy() */
-#include "FLAC/assert.h"
-#include "share/alloc.h"
-#include "private/ogg_helper.h"
-#include "protected/stream_encoder.h"
-
-
-static FLAC__bool full_read_(FLAC__StreamEncoder *encoder, FLAC__byte *buffer, size_t bytes, FLAC__StreamEncoderReadCallback read_callback, void *client_data)
-{
- while(bytes > 0) {
- size_t bytes_read = bytes;
- switch(read_callback(encoder, buffer, &bytes_read, client_data)) {
- case FLAC__STREAM_ENCODER_READ_STATUS_CONTINUE:
- bytes -= bytes_read;
- buffer += bytes_read;
- break;
- case FLAC__STREAM_ENCODER_READ_STATUS_END_OF_STREAM:
- if(bytes_read == 0) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR;
- return false;
- }
- bytes -= bytes_read;
- buffer += bytes_read;
- break;
- case FLAC__STREAM_ENCODER_READ_STATUS_ABORT:
- encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
- return false;
- case FLAC__STREAM_ENCODER_READ_STATUS_UNSUPPORTED:
- return false;
- default:
- /* double protection: */
- FLAC__ASSERT(0);
- encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
- return false;
- }
- }
-
- return true;
-}
-
-void simple_ogg_page__init(ogg_page *page)
-{
- page->header = 0;
- page->header_len = 0;
- page->body = 0;
- page->body_len = 0;
-}
-
-void simple_ogg_page__clear(ogg_page *page)
-{
- if(page->header)
- free(page->header);
- if(page->body)
- free(page->body);
- simple_ogg_page__init(page);
-}
-
-FLAC__bool simple_ogg_page__get_at(FLAC__StreamEncoder *encoder, FLAC__uint64 position, ogg_page *page, FLAC__StreamEncoderSeekCallback seek_callback, FLAC__StreamEncoderReadCallback read_callback, void *client_data)
-{
- static const unsigned OGG_HEADER_FIXED_PORTION_LEN = 27;
- static const unsigned OGG_MAX_HEADER_LEN = 27/*OGG_HEADER_FIXED_PORTION_LEN*/ + 255;
- FLAC__byte crc[4];
- FLAC__StreamEncoderSeekStatus seek_status;
-
- FLAC__ASSERT(page->header == 0);
- FLAC__ASSERT(page->header_len == 0);
- FLAC__ASSERT(page->body == 0);
- FLAC__ASSERT(page->body_len == 0);
-
- /* move the stream pointer to the supposed beginning of the page */
- if(0 == seek_callback)
- return false;
- if((seek_status = seek_callback((FLAC__StreamEncoder*)encoder, position, client_data)) != FLAC__STREAM_ENCODER_SEEK_STATUS_OK) {
- if(seek_status == FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR)
- encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
- return false;
- }
-
- /* allocate space for the page header */
- if(0 == (page->header = (unsigned char *)safe_malloc_(OGG_MAX_HEADER_LEN))) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR;
- return false;
- }
-
- /* read in the fixed part of the page header (up to but not including
- * the segment table */
- if(!full_read_(encoder, page->header, OGG_HEADER_FIXED_PORTION_LEN, read_callback, client_data))
- return false;
-
- page->header_len = OGG_HEADER_FIXED_PORTION_LEN + page->header[26];
-
- /* check to see if it's a correct, "simple" page (one packet only) */
- if(
- memcmp(page->header, "OggS", 4) || /* doesn't start with OggS */
- (page->header[5] & 0x01) || /* continued packet */
- memcmp(page->header+6, "\0\0\0\0\0\0\0\0", 8) || /* granulepos is non-zero */
- page->header[26] == 0 /* packet is 0-size */
- ) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR;
- return false;
- }
-
- /* read in the segment table */
- if(!full_read_(encoder, page->header + OGG_HEADER_FIXED_PORTION_LEN, page->header[26], read_callback, client_data))
- return false;
-
- {
- unsigned i;
-
- /* check to see that it specifies a single packet */
- for(i = 0; i < (unsigned)page->header[26] - 1; i++) {
- if(page->header[i + OGG_HEADER_FIXED_PORTION_LEN] != 255) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR;
- return false;
- }
- }
-
- page->body_len = 255 * i + page->header[i + OGG_HEADER_FIXED_PORTION_LEN];
- }
-
- /* allocate space for the page body */
- if(0 == (page->body = (unsigned char *)safe_malloc_(page->body_len))) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_MEMORY_ALLOCATION_ERROR;
- return false;
- }
-
- /* read in the page body */
- if(!full_read_(encoder, page->body, page->body_len, read_callback, client_data))
- return false;
-
- /* check the CRC */
- memcpy(crc, page->header+22, 4);
- ogg_page_checksum_set(page);
- if(memcmp(crc, page->header+22, 4)) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_OGG_ERROR;
- return false;
- }
-
- return true;
-}
-
-FLAC__bool simple_ogg_page__set_at(FLAC__StreamEncoder *encoder, FLAC__uint64 position, ogg_page *page, FLAC__StreamEncoderSeekCallback seek_callback, FLAC__StreamEncoderWriteCallback write_callback, void *client_data)
-{
- FLAC__StreamEncoderSeekStatus seek_status;
-
- FLAC__ASSERT(page->header != 0);
- FLAC__ASSERT(page->header_len != 0);
- FLAC__ASSERT(page->body != 0);
- FLAC__ASSERT(page->body_len != 0);
-
- /* move the stream pointer to the supposed beginning of the page */
- if(0 == seek_callback)
- return false;
- if((seek_status = seek_callback((FLAC__StreamEncoder*)encoder, position, client_data)) != FLAC__STREAM_ENCODER_SEEK_STATUS_OK) {
- if(seek_status == FLAC__STREAM_ENCODER_SEEK_STATUS_ERROR)
- encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
- return false;
- }
-
- ogg_page_checksum_set(page);
-
- /* re-write the page */
- if(write_callback((FLAC__StreamEncoder*)encoder, page->header, page->header_len, 0, 0, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
- return false;
- }
- if(write_callback((FLAC__StreamEncoder*)encoder, page->body, page->body_len, 0, 0, client_data) != FLAC__STREAM_ENCODER_WRITE_STATUS_OK) {
- encoder->protected_->state = FLAC__STREAM_ENCODER_CLIENT_ERROR;
- return false;
- }
-
- return true;
-}
diff --git a/libFLAC/ogg_mapping.c b/libFLAC/ogg_mapping.c
deleted file mode 100644
index a518892..0000000
--- a/libFLAC/ogg_mapping.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/* libFLAC - Free Lossless Audio Codec
- * Copyright (C) 2004,2005,2006,2007 Josh Coalson
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * - Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * - Neither the name of the Xiph.org Foundation nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
-
-#include "private/ogg_mapping.h"
-
-const unsigned FLAC__OGG_MAPPING_PACKET_TYPE_LEN = 8; /* bits */
-
-const FLAC__byte FLAC__OGG_MAPPING_FIRST_HEADER_PACKET_TYPE = 0x7f;
-
-const FLAC__byte * const FLAC__OGG_MAPPING_MAGIC = (const FLAC__byte * const)"FLAC";
-
-const unsigned FLAC__OGG_MAPPING_VERSION_MAJOR_LEN = 8; /* bits */
-const unsigned FLAC__OGG_MAPPING_VERSION_MINOR_LEN = 8; /* bits */
-
-const unsigned FLAC__OGG_MAPPING_NUM_HEADERS_LEN = 16; /* bits */
diff --git a/libFLAC/ppc/Makefile.am b/libFLAC/ppc/Makefile.am
deleted file mode 100644
index 87cd95c..0000000
--- a/libFLAC/ppc/Makefile.am
+++ /dev/null
@@ -1,31 +0,0 @@
-# libFLAC - Free Lossless Audio Codec library
-# Copyright (C) 2004,2005,2006,2007 Josh Coalson
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# - Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#
-# - Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in the
-# documentation and/or other materials provided with the distribution.
-#
-# - Neither the name of the Xiph.org Foundation nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
-# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-SUBDIRS = as gas
diff --git a/libFLAC/ppc/Makefile.in b/libFLAC/ppc/Makefile.in
deleted file mode 100644
index 308a21b..0000000
--- a/libFLAC/ppc/Makefile.in
+++ /dev/null
@@ -1,533 +0,0 @@
-# Makefile.in generated by automake 1.7.9 from Makefile.am.
-# @configure_input@
-
-# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
-# Free Software Foundation, Inc.
-# This Makefile.in is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-# PARTICULAR PURPOSE.
-
-@SET_MAKE@
-
-# libFLAC - Free Lossless Audio Codec library
-# Copyright (C) 2004,2005,2006,2007 Josh Coalson
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# - Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#
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diff --git a/libFLAC/ppc/as/lpc_asm.s b/libFLAC/ppc/as/lpc_asm.s
deleted file mode 100644
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-; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
-; CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-; LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-; NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-.text
- .align 2
-.globl _FLAC__lpc_restore_signal_asm_ppc_altivec_16
-
-.globl _FLAC__lpc_restore_signal_asm_ppc_altivec_16_order8
-
-_FLAC__lpc_restore_signal_asm_ppc_altivec_16:
-; r3: residual[]
-; r4: data_len
-; r5: qlp_coeff[]
-; r6: order
-; r7: lp_quantization
-; r8: data[]
-
-; see src/libFLAC/lpc.c:FLAC__lpc_restore_signal()
-; these is a PowerPC/Altivec assembly version which requires bps<=16 (or actual
-; bps<=15 for mid-side coding, since that uses an extra bit)
-
-; these should be fast; the inner loop is unrolled (it takes no more than
-; 3*(order%4) instructions, all of which are arithmetic), and all of the
-; coefficients and all relevant history stay in registers, so the outer loop
-; has only one load from memory (the residual)
-
-; I have not yet run this through simg4, so there may be some avoidable stalls,
-; and there may be a somewhat more clever way to do the outer loop
-
-; the branch mechanism may prevent dynamic loading; I still need to examine
-; this issue, and there may be a more elegant method
-
- stmw r31,-4(r1)
-
- addi r9,r1,-28
- li r31,0xf
- andc r9,r9,r31 ; for quadword-aligned stack data
-
- slwi r6,r6,2 ; adjust for word size
- slwi r4,r4,2
- add r4,r4,r8 ; r4 = data+data_len
-
- mfspr r0,256 ; cache old vrsave
- addis r31,0,hi16(0xfffffc00)
- ori r31,r31,lo16(0xfffffc00)
- mtspr 256,r31 ; declare VRs in vrsave
-
- cmplw cr0,r8,r4 ; i<data_len
- bc 4,0,L1400
-
- ; load coefficients into v0-v7 and initial history into v8-v15
- li r31,0xf
- and r31,r8,r31 ; r31: data%4
- li r11,16
- subf r31,r31,r11 ; r31: 4-(data%4)
- slwi r31,r31,3 ; convert to bits for vsro
- li r10,-4
- stw r31,-4(r9)
- lvewx v0,r10,r9
- vspltisb v18,-1
- vsro v18,v18,v0 ; v18: mask vector
-
- li r31,0x8
- lvsl v0,0,r31
- vsldoi v0,v0,v0,12
- li r31,0xc
- lvsl v1,0,r31
- vspltisb v2,0
- vspltisb v3,-1
- vmrglw v2,v2,v3
- vsel v0,v1,v0,v2 ; v0: reversal permutation vector
-
- add r10,r5,r6
- lvsl v17,0,r5 ; v17: coefficient alignment permutation vector
- vperm v17,v17,v17,v0 ; v17: reversal coefficient alignment permutation vector
-
- mr r11,r8
- lvsl v16,0,r11 ; v16: history alignment permutation vector
-
- lvx v0,0,r5
- addi r5,r5,16
- lvx v1,0,r5
- vperm v0,v0,v1,v17
- lvx v8,0,r11
- addi r11,r11,-16
- lvx v9,0,r11
- vperm v8,v9,v8,v16
- cmplw cr0,r5,r10
- bc 12,0,L1101
- vand v0,v0,v18
- addis r31,0,hi16(L1307)
- ori r31,r31,lo16(L1307)
- b L1199
-
-L1101:
- addi r5,r5,16
- lvx v2,0,r5
- vperm v1,v1,v2,v17
- addi r11,r11,-16
- lvx v10,0,r11
- vperm v9,v10,v9,v16
- cmplw cr0,r5,r10
- bc 12,0,L1102
- vand v1,v1,v18
- addis r31,0,hi16(L1306)
- ori r31,r31,lo16(L1306)
- b L1199
-
-L1102:
- addi r5,r5,16
- lvx v3,0,r5
- vperm v2,v2,v3,v17
- addi r11,r11,-16
- lvx v11,0,r11
- vperm v10,v11,v10,v16
- cmplw cr0,r5,r10
- bc 12,0,L1103
- vand v2,v2,v18
- addis r31,0,hi16(L1305)
- ori r31,r31,lo16(L1305)
- b L1199
-
-L1103:
- addi r5,r5,16
- lvx v4,0,r5
- vperm v3,v3,v4,v17
- addi r11,r11,-16
- lvx v12,0,r11
- vperm v11,v12,v11,v16
- cmplw cr0,r5,r10
- bc 12,0,L1104
- vand v3,v3,v18
- addis r31,0,hi16(L1304)
- ori r31,r31,lo16(L1304)
- b L1199
-
-L1104:
- addi r5,r5,16
- lvx v5,0,r5
- vperm v4,v4,v5,v17
- addi r11,r11,-16
- lvx v13,0,r11
- vperm v12,v13,v12,v16
- cmplw cr0,r5,r10
- bc 12,0,L1105
- vand v4,v4,v18
- addis r31,0,hi16(L1303)
- ori r31,r31,lo16(L1303)
- b L1199
-
-L1105:
- addi r5,r5,16
- lvx v6,0,r5
- vperm v5,v5,v6,v17
- addi r11,r11,-16
- lvx v14,0,r11
- vperm v13,v14,v13,v16
- cmplw cr0,r5,r10
- bc 12,0,L1106
- vand v5,v5,v18
- addis r31,0,hi16(L1302)
- ori r31,r31,lo16(L1302)
- b L1199
-
-L1106:
- addi r5,r5,16
- lvx v7,0,r5
- vperm v6,v6,v7,v17
- addi r11,r11,-16
- lvx v15,0,r11
- vperm v14,v15,v14,v16
- cmplw cr0,r5,r10
- bc 12,0,L1107
- vand v6,v6,v18
- addis r31,0,hi16(L1301)
- ori r31,r31,lo16(L1301)
- b L1199
-
-L1107:
- addi r5,r5,16
- lvx v19,0,r5
- vperm v7,v7,v19,v17
- addi r11,r11,-16
- lvx v19,0,r11
- vperm v15,v19,v15,v16
- vand v7,v7,v18
- addis r31,0,hi16(L1300)
- ori r31,r31,lo16(L1300)
-
-L1199:
- mtctr r31
-
- ; set up invariant vectors
- vspltish v16,0 ; v16: zero vector
-
- li r10,-12
- lvsr v17,r10,r8 ; v17: result shift vector
- lvsl v18,r10,r3 ; v18: residual shift back vector
-
- li r10,-4
- stw r7,-4(r9)
- lvewx v19,r10,r9 ; v19: lp_quantization vector
-
-L1200:
- vmulosh v20,v0,v8 ; v20: sum vector
- bcctr 20,0
-
-L1300:
- vmulosh v21,v7,v15
- vsldoi v15,v15,v14,4 ; increment history
- vaddsws v20,v20,v21
-
-L1301:
- vmulosh v21,v6,v14
- vsldoi v14,v14,v13,4
- vaddsws v20,v20,v21
-
-L1302:
- vmulosh v21,v5,v13
- vsldoi v13,v13,v12,4
- vaddsws v20,v20,v21
-
-L1303:
- vmulosh v21,v4,v12
- vsldoi v12,v12,v11,4
- vaddsws v20,v20,v21
-
-L1304:
- vmulosh v21,v3,v11
- vsldoi v11,v11,v10,4
- vaddsws v20,v20,v21
-
-L1305:
- vmulosh v21,v2,v10
- vsldoi v10,v10,v9,4
- vaddsws v20,v20,v21
-
-L1306:
- vmulosh v21,v1,v9
- vsldoi v9,v9,v8,4
- vaddsws v20,v20,v21
-
-L1307:
- vsumsws v20,v20,v16 ; v20[3]: sum
- vsraw v20,v20,v19 ; v20[3]: sum >> lp_quantization
-
- lvewx v21,0,r3 ; v21[n]: *residual
- vperm v21,v21,v21,v18 ; v21[3]: *residual
- vaddsws v20,v21,v20 ; v20[3]: *residual + (sum >> lp_quantization)
- vsldoi v18,v18,v18,4 ; increment shift vector
-
- vperm v21,v20,v20,v17 ; v21[n]: shift for storage
- vsldoi v17,v17,v17,12 ; increment shift vector
- stvewx v21,0,r8
-
- vsldoi v20,v20,v20,12
- vsldoi v8,v8,v20,4 ; insert value onto history
-
- addi r3,r3,4
- addi r8,r8,4
- cmplw cr0,r8,r4 ; i<data_len
- bc 12,0,L1200
-
-L1400:
- mtspr 256,r0 ; restore old vrsave
- lmw r31,-4(r1)
- blr
-
-_FLAC__lpc_restore_signal_asm_ppc_altivec_16_order8:
-; r3: residual[]
-; r4: data_len
-; r5: qlp_coeff[]
-; r6: order
-; r7: lp_quantization
-; r8: data[]
-
-; see _FLAC__lpc_restore_signal_asm_ppc_altivec_16() above
-; this version assumes order<=8; it uses fewer vector registers, which should
-; save time in context switches, and has less code, which may improve
-; instruction caching
-
- stmw r31,-4(r1)
-
- addi r9,r1,-28
- li r31,0xf
- andc r9,r9,r31 ; for quadword-aligned stack data
-
- slwi r6,r6,2 ; adjust for word size
- slwi r4,r4,2
- add r4,r4,r8 ; r4 = data+data_len
-
- mfspr r0,256 ; cache old vrsave
- addis r31,0,hi16(0xffc00000)
- ori r31,r31,lo16(0xffc00000)
- mtspr 256,r31 ; declare VRs in vrsave
-
- cmplw cr0,r8,r4 ; i<data_len
- bc 4,0,L2400
-
- ; load coefficients into v0-v1 and initial history into v2-v3
- li r31,0xf
- and r31,r8,r31 ; r31: data%4
- li r11,16
- subf r31,r31,r11 ; r31: 4-(data%4)
- slwi r31,r31,3 ; convert to bits for vsro
- li r10,-4
- stw r31,-4(r9)
- lvewx v0,r10,r9
- vspltisb v6,-1
- vsro v6,v6,v0 ; v6: mask vector
-
- li r31,0x8
- lvsl v0,0,r31
- vsldoi v0,v0,v0,12
- li r31,0xc
- lvsl v1,0,r31
- vspltisb v2,0
- vspltisb v3,-1
- vmrglw v2,v2,v3
- vsel v0,v1,v0,v2 ; v0: reversal permutation vector
-
- add r10,r5,r6
- lvsl v5,0,r5 ; v5: coefficient alignment permutation vector
- vperm v5,v5,v5,v0 ; v5: reversal coefficient alignment permutation vector
-
- mr r11,r8
- lvsl v4,0,r11 ; v4: history alignment permutation vector
-
- lvx v0,0,r5
- addi r5,r5,16
- lvx v1,0,r5
- vperm v0,v0,v1,v5
- lvx v2,0,r11
- addi r11,r11,-16
- lvx v3,0,r11
- vperm v2,v3,v2,v4
- cmplw cr0,r5,r10
- bc 12,0,L2101
- vand v0,v0,v6
- addis r31,0,hi16(L2301)
- ori r31,r31,lo16(L2301)
- b L2199
-
-L2101:
- addi r5,r5,16
- lvx v7,0,r5
- vperm v1,v1,v7,v5
- addi r11,r11,-16
- lvx v7,0,r11
- vperm v3,v7,v3,v4
- vand v1,v1,v6
- addis r31,0,hi16(L2300)
- ori r31,r31,lo16(L2300)
-
-L2199:
- mtctr r31
-
- ; set up invariant vectors
- vspltish v4,0 ; v4: zero vector
-
- li r10,-12
- lvsr v5,r10,r8 ; v5: result shift vector
- lvsl v6,r10,r3 ; v6: residual shift back vector
-
- li r10,-4
- stw r7,-4(r9)
- lvewx v7,r10,r9 ; v7: lp_quantization vector
-
-L2200:
- vmulosh v8,v0,v2 ; v8: sum vector
- bcctr 20,0
-
-L2300:
- vmulosh v9,v1,v3
- vsldoi v3,v3,v2,4
- vaddsws v8,v8,v9
-
-L2301:
- vsumsws v8,v8,v4 ; v8[3]: sum
- vsraw v8,v8,v7 ; v8[3]: sum >> lp_quantization
-
- lvewx v9,0,r3 ; v9[n]: *residual
- vperm v9,v9,v9,v6 ; v9[3]: *residual
- vaddsws v8,v9,v8 ; v8[3]: *residual + (sum >> lp_quantization)
- vsldoi v6,v6,v6,4 ; increment shift vector
-
- vperm v9,v8,v8,v5 ; v9[n]: shift for storage
- vsldoi v5,v5,v5,12 ; increment shift vector
- stvewx v9,0,r8
-
- vsldoi v8,v8,v8,12
- vsldoi v2,v2,v8,4 ; insert value onto history
-
- addi r3,r3,4
- addi r8,r8,4
- cmplw cr0,r8,r4 ; i<data_len
- bc 12,0,L2200
-
-L2400:
- mtspr 256,r0 ; restore old vrsave
- lmw r31,-4(r1)
- blr
diff --git a/libFLAC/ppc/gas/Makefile.am b/libFLAC/ppc/gas/Makefile.am
deleted file mode 100644
index 3a66c27..0000000
--- a/libFLAC/ppc/gas/Makefile.am
+++ /dev/null
@@ -1,52 +0,0 @@
-# libFLAC - Free Lossless Audio Codec library
-# Copyright (C) 2004,2005,2006,2007 Josh Coalson
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# - Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#
-# - Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in the
-# documentation and/or other materials provided with the distribution.
-#
-# - Neither the name of the Xiph.org Foundation nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
-# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-#@@@
-if FLaC__HAS_GAS__TEMPORARILY_DISABLED
-
-SUFFIXES = .s .lo
-
-STRIP_NON_ASM = sh $(top_srcdir)/strip_non_asm_libtool_args.sh
-
-# For some unknown reason libtool can't figure out the tag for 'gas', so
-# we fake it with --tag=CC and strip out unwanted options.
-.s.lo:
- $(LIBTOOL) --tag=CC --mode=compile $(STRIP_NON_ASM) gas -force_cpusubtype_ALL -o $@ $<
-
-noinst_LTLIBRARIES = libFLAC-asm.la
-libFLAC_asm_la_SOURCES = \
- lpc_asm.s
-
-else
-
-EXTRA_DIST = \
- lpc_asm.s
-
-endif
diff --git a/libFLAC/ppc/gas/Makefile.in b/libFLAC/ppc/gas/Makefile.in
deleted file mode 100644
index f4c97bc..0000000
--- a/libFLAC/ppc/gas/Makefile.in
+++ /dev/null
@@ -1,503 +0,0 @@
-# Makefile.in generated by automake 1.7.9 from Makefile.am.
-# @configure_input@
-
-# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
-# Free Software Foundation, Inc.
-# This Makefile.in is free software; the Free Software Foundation
-# gives unlimited permission to copy and/or distribute it,
-# with or without modifications, as long as this notice is preserved.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
-# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
-# PARTICULAR PURPOSE.
-
-@SET_MAKE@
-
-# libFLAC - Free Lossless Audio Codec library
-# Copyright (C) 2004,2005,2006,2007 Josh Coalson
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# - Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#
-# - Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in the
-# documentation and/or other materials provided with the distribution.
-#
-# - Neither the name of the Xiph.org Foundation nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
-# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-srcdir = @srcdir@
-top_srcdir = @top_srcdir@
-VPATH = @srcdir@
-pkgdatadir = $(datadir)/@PACKAGE@
-pkglibdir = $(libdir)/@PACKAGE@
-pkgincludedir = $(includedir)/@PACKAGE@
-top_builddir = ../../../..
-
-am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
-INSTALL = @INSTALL@
-install_sh_DATA = $(install_sh) -c -m 644
-install_sh_PROGRAM = $(install_sh) -c
-install_sh_SCRIPT = $(install_sh) -c
-INSTALL_HEADER = $(INSTALL_DATA)
-transform = $(program_transform_name)
-NORMAL_INSTALL = :
-PRE_INSTALL = :
-POST_INSTALL = :
-NORMAL_UNINSTALL = :
-PRE_UNINSTALL = :
-POST_UNINSTALL = :
-host_triplet = @host@
-ACLOCAL = @ACLOCAL@
-ACLOCAL_AMFLAGS = @ACLOCAL_AMFLAGS@
-AMDEP_FALSE = @AMDEP_FALSE@
-AMDEP_TRUE = @AMDEP_TRUE@
-AMTAR = @AMTAR@
-AR = @AR@
-AS = @AS@
-AUTOCONF = @AUTOCONF@
-AUTOHEADER = @AUTOHEADER@
-AUTOMAKE = @AUTOMAKE@
-AWK = @AWK@
-CC = @CC@
-CCAS = @CCAS@
-CCASFLAGS = @CCASFLAGS@
-CCDEPMODE = @CCDEPMODE@
-CFLAGS = @CFLAGS@
-CPP = @CPP@
-CPPFLAGS = @CPPFLAGS@
-CXX = @CXX@
-CXXCPP = @CXXCPP@
-CXXDEPMODE = @CXXDEPMODE@
-CXXFLAGS = @CXXFLAGS@
-CYGPATH_W = @CYGPATH_W@
-DEBUG_FALSE = @DEBUG_FALSE@
-DEBUG_TRUE = @DEBUG_TRUE@
-DEFS = @DEFS@
-DEPDIR = @DEPDIR@
-DOCBOOK_TO_MAN = @DOCBOOK_TO_MAN@
-DOXYGEN = @DOXYGEN@
-ECHO = @ECHO@
-ECHO_C = @ECHO_C@
-ECHO_N = @ECHO_N@
-ECHO_T = @ECHO_T@
-EGREP = @EGREP@
-EXEEXT = @EXEEXT@
-F77 = @F77@
-FFLAGS = @FFLAGS@
-FLAC__TEST_LEVEL = @FLAC__TEST_LEVEL@
-FLAC__TEST_WITH_VALGRIND = @FLAC__TEST_WITH_VALGRIND@
-FLaC__CPU_IA32_FALSE = @FLaC__CPU_IA32_FALSE@
-FLaC__CPU_IA32_TRUE = @FLaC__CPU_IA32_TRUE@
-FLaC__CPU_PPC_FALSE = @FLaC__CPU_PPC_FALSE@
-FLaC__CPU_PPC_TRUE = @FLaC__CPU_PPC_TRUE@
-FLaC__CPU_SPARC_FALSE = @FLaC__CPU_SPARC_FALSE@
-FLaC__CPU_SPARC_TRUE = @FLaC__CPU_SPARC_TRUE@
-FLaC__HAS_AS_FALSE = @FLaC__HAS_AS_FALSE@
-FLaC__HAS_AS_TRUE = @FLaC__HAS_AS_TRUE@
-FLaC__HAS_AS__TEMPORARILY_DISABLED_FALSE = @FLaC__HAS_AS__TEMPORARILY_DISABLED_FALSE@
-FLaC__HAS_AS__TEMPORARILY_DISABLED_TRUE = @FLaC__HAS_AS__TEMPORARILY_DISABLED_TRUE@
-FLaC__HAS_DOCBOOK_TO_MAN_FALSE = @FLaC__HAS_DOCBOOK_TO_MAN_FALSE@
-FLaC__HAS_DOCBOOK_TO_MAN_TRUE = @FLaC__HAS_DOCBOOK_TO_MAN_TRUE@
-FLaC__HAS_DOXYGEN_FALSE = @FLaC__HAS_DOXYGEN_FALSE@
-FLaC__HAS_DOXYGEN_TRUE = @FLaC__HAS_DOXYGEN_TRUE@
-FLaC__HAS_GAS_FALSE = @FLaC__HAS_GAS_FALSE@
-FLaC__HAS_GAS_TRUE = @FLaC__HAS_GAS_TRUE@
-FLaC__HAS_GAS__TEMPORARILY_DISABLED_FALSE = @FLaC__HAS_GAS__TEMPORARILY_DISABLED_FALSE@
-FLaC__HAS_GAS__TEMPORARILY_DISABLED_TRUE = @FLaC__HAS_GAS__TEMPORARILY_DISABLED_TRUE@
-FLaC__HAS_NASM_FALSE = @FLaC__HAS_NASM_FALSE@
-FLaC__HAS_NASM_TRUE = @FLaC__HAS_NASM_TRUE@
-FLaC__HAS_OGG_FALSE = @FLaC__HAS_OGG_FALSE@
-FLaC__HAS_OGG_TRUE = @FLaC__HAS_OGG_TRUE@
-FLaC__HAS_XMMS_FALSE = @FLaC__HAS_XMMS_FALSE@
-FLaC__HAS_XMMS_TRUE = @FLaC__HAS_XMMS_TRUE@
-FLaC__INSTALL_XMMS_PLUGIN_LOCALLY_FALSE = @FLaC__INSTALL_XMMS_PLUGIN_LOCALLY_FALSE@
-FLaC__INSTALL_XMMS_PLUGIN_LOCALLY_TRUE = @FLaC__INSTALL_XMMS_PLUGIN_LOCALLY_TRUE@
-FLaC__NO_ASM_FALSE = @FLaC__NO_ASM_FALSE@
-FLaC__NO_ASM_TRUE = @FLaC__NO_ASM_TRUE@
-FLaC__SSE_OS_FALSE = @FLaC__SSE_OS_FALSE@
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-
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-@FLaC__HAS_GAS__TEMPORARILY_DISABLED_FALSE@EXTRA_DIST = \
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-subdir = src/libFLAC/ppc/gas
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- echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
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-# For some unknown reason libtool can't figure out the tag for 'gas', so
-# we fake it with --tag=CC and strip out unwanted options.
-@FLaC__HAS_GAS__TEMPORARILY_DISABLED_TRUE@.s.lo:
-@FLaC__HAS_GAS__TEMPORARILY_DISABLED_TRUE@ $(LIBTOOL) --tag=CC --mode=compile $(STRIP_NON_ASM) gas -force_cpusubtype_ALL -o $@ $<
-# Tell versions [3.59,3.63) of GNU make to not export all variables.
-# Otherwise a system limit (for SysV at least) may be exceeded.
-.NOEXPORT:
diff --git a/libFLAC/ppc/gas/lpc_asm.s b/libFLAC/ppc/gas/lpc_asm.s
deleted file mode 100644
index 2203570..0000000
--- a/libFLAC/ppc/gas/lpc_asm.s
+++ /dev/null
@@ -1,431 +0,0 @@
-# libFLAC - Free Lossless Audio Codec library
-# Copyright (C) 2004,2005,2006,2007 Josh Coalson
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions
-# are met:
-#
-# - Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-#
-# - Redistributions in binary form must reproduce the above copyright
-# notice, this list of conditions and the following disclaimer in the
-# documentation and/or other materials provided with the distribution.
-#
-# - Neither the name of the Xiph.org Foundation nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
-# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-.text
- .align 2
-.globl _FLAC__lpc_restore_signal_asm_ppc_altivec_16
-.type _FLAC__lpc_restore_signal_asm_ppc_altivec_16, @function
-
-.globl _FLAC__lpc_restore_signal_asm_ppc_altivec_16_order8
-.type _FLAC__lpc_restore_signal_asm_ppc_altivec_16_order8, @function
-
-_FLAC__lpc_restore_signal_asm_ppc_altivec_16:
-# r3: residual[]
-# r4: data_len
-# r5: qlp_coeff[]
-# r6: order
-# r7: lp_quantization
-# r8: data[]
-
-# see src/libFLAC/lpc.c:FLAC__lpc_restore_signal()
-# these is a PowerPC/Altivec assembly version which requires bps<=16 (or actual
-# bps<=15 for mid-side coding, since that uses an extra bit)
-
-# these should be fast; the inner loop is unrolled (it takes no more than
-# 3*(order%4) instructions, all of which are arithmetic), and all of the
-# coefficients and all relevant history stay in registers, so the outer loop
-# has only one load from memory (the residual)
-
-# I have not yet run this through simg4, so there may be some avoidable stalls,
-# and there may be a somewhat more clever way to do the outer loop
-
-# the branch mechanism may prevent dynamic loading; I still need to examine
-# this issue, and there may be a more elegant method
-
- stmw r31,-4(r1)
-
- addi r9,r1,-28
- li r31,0xf
- andc r9,r9,r31 # for quadword-aligned stack data
-
- slwi r6,r6,2 # adjust for word size
- slwi r4,r4,2
- add r4,r4,r8 # r4 = data+data_len
-
- mfspr r0,256 # cache old vrsave
- addis r31,0,0xffff
- ori r31,r31,0xfc00
- mtspr 256,r31 # declare VRs in vrsave
-
- cmplw cr0,r8,r4 # i<data_len
- bc 4,0,L1400
-
- # load coefficients into v0-v7 and initial history into v8-v15
- li r31,0xf
- and r31,r8,r31 # r31: data%4
- li r11,16
- subf r31,r31,r11 # r31: 4-(data%4)
- slwi r31,r31,3 # convert to bits for vsro
- li r10,-4
- stw r31,-4(r9)
- lvewx v0,r10,r9
- vspltisb v18,-1
- vsro v18,v18,v0 # v18: mask vector
-
- li r31,0x8
- lvsl v0,0,r31
- vsldoi v0,v0,v0,12
- li r31,0xc
- lvsl v1,0,r31
- vspltisb v2,0
- vspltisb v3,-1
- vmrglw v2,v2,v3
- vsel v0,v1,v0,v2 # v0: reversal permutation vector
-
- add r10,r5,r6
- lvsl v17,0,r5 # v17: coefficient alignment permutation vector
- vperm v17,v17,v17,v0 # v17: reversal coefficient alignment permutation vector
-
- mr r11,r8
- lvsl v16,0,r11 # v16: history alignment permutation vector
-
- lvx v0,0,r5
- addi r5,r5,16
- lvx v1,0,r5
- vperm v0,v0,v1,v17
- lvx v8,0,r11
- addi r11,r11,-16
- lvx v9,0,r11
- vperm v8,v9,v8,v16
- cmplw cr0,r5,r10
- bc 12,0,L1101
- vand v0,v0,v18
- addis r31,0,L1307@ha
- ori r31,r31,L1307@l
- b L1199
-
-L1101:
- addi r5,r5,16
- lvx v2,0,r5
- vperm v1,v1,v2,v17
- addi r11,r11,-16
- lvx v10,0,r11
- vperm v9,v10,v9,v16
- cmplw cr0,r5,r10
- bc 12,0,L1102
- vand v1,v1,v18
- addis r31,0,L1306@ha
- ori r31,r31,L1306@l
- b L1199
-
-L1102:
- addi r5,r5,16
- lvx v3,0,r5
- vperm v2,v2,v3,v17
- addi r11,r11,-16
- lvx v11,0,r11
- vperm v10,v11,v10,v16
- cmplw cr0,r5,r10
- bc 12,0,L1103
- vand v2,v2,v18
- lis r31,L1305@ha
- la r31,L1305@l(r31)
- b L1199
-
-L1103:
- addi r5,r5,16
- lvx v4,0,r5
- vperm v3,v3,v4,v17
- addi r11,r11,-16
- lvx v12,0,r11
- vperm v11,v12,v11,v16
- cmplw cr0,r5,r10
- bc 12,0,L1104
- vand v3,v3,v18
- lis r31,L1304@ha
- la r31,L1304@l(r31)
- b L1199
-
-L1104:
- addi r5,r5,16
- lvx v5,0,r5
- vperm v4,v4,v5,v17
- addi r11,r11,-16
- lvx v13,0,r11
- vperm v12,v13,v12,v16
- cmplw cr0,r5,r10
- bc 12,0,L1105
- vand v4,v4,v18
- lis r31,L1303@ha
- la r31,L1303@l(r31)
- b L1199
-
-L1105:
- addi r5,r5,16
- lvx v6,0,r5
- vperm v5,v5,v6,v17
- addi r11,r11,-16
- lvx v14,0,r11
- vperm v13,v14,v13,v16
- cmplw cr0,r5,r10
- bc 12,0,L1106
- vand v5,v5,v18
- lis r31,L1302@ha
- la r31,L1302@l(r31)
- b L1199
-
-L1106:
- addi r5,r5,16
- lvx v7,0,r5
- vperm v6,v6,v7,v17
- addi r11,r11,-16
- lvx v15,0,r11
- vperm v14,v15,v14,v16
- cmplw cr0,r5,r10
- bc 12,0,L1107
- vand v6,v6,v18
- lis r31,L1301@ha
- la r31,L1301@l(r31)
- b L1199
-
-L1107:
- addi r5,r5,16
- lvx v19,0,r5
- vperm v7,v7,v19,v17
- addi r11,r11,-16
- lvx v19,0,r11
- vperm v15,v19,v15,v16
- vand v7,v7,v18
- lis r31,L1300@ha
- la r31,L1300@l(r31)
-
-L1199:
- mtctr r31
-
- # set up invariant vectors
- vspltish v16,0 # v16: zero vector
-
- li r10,-12
- lvsr v17,r10,r8 # v17: result shift vector
- lvsl v18,r10,r3 # v18: residual shift back vector
-
- li r10,-4
- stw r7,-4(r9)
- lvewx v19,r10,r9 # v19: lp_quantization vector
-
-L1200:
- vmulosh v20,v0,v8 # v20: sum vector
- bcctr 20,0
-
-L1300:
- vmulosh v21,v7,v15
- vsldoi v15,v15,v14,4 # increment history
- vaddsws v20,v20,v21
-
-L1301:
- vmulosh v21,v6,v14
- vsldoi v14,v14,v13,4
- vaddsws v20,v20,v21
-
-L1302:
- vmulosh v21,v5,v13
- vsldoi v13,v13,v12,4
- vaddsws v20,v20,v21
-
-L1303:
- vmulosh v21,v4,v12
- vsldoi v12,v12,v11,4
- vaddsws v20,v20,v21
-
-L1304:
- vmulosh v21,v3,v11
- vsldoi v11,v11,v10,4
- vaddsws v20,v20,v21
-
-L1305:
- vmulosh v21,v2,v10
- vsldoi v10,v10,v9,4
- vaddsws v20,v20,v21
-
-L1306:
- vmulosh v21,v1,v9
- vsldoi v9,v9,v8,4
- vaddsws v20,v20,v21
-
-L1307:
- vsumsws v20,v20,v16 # v20[3]: sum
- vsraw v20,v20,v19 # v20[3]: sum >> lp_quantization
-
- lvewx v21,0,r3 # v21[n]: *residual
- vperm v21,v21,v21,v18 # v21[3]: *residual
- vaddsws v20,v21,v20 # v20[3]: *residual + (sum >> lp_quantization)
- vsldoi v18,v18,v18,4 # increment shift vector
-
- vperm v21,v20,v20,v17 # v21[n]: shift for storage
- vsldoi v17,v17,v17,12 # increment shift vector
- stvewx v21,0,r8
-
- vsldoi v20,v20,v20,12
- vsldoi v8,v8,v20,4 # insert value onto history
-
- addi r3,r3,4
- addi r8,r8,4
- cmplw cr0,r8,r4 # i<data_len
- bc 12,0,L1200
-
-L1400:
- mtspr 256,r0 # restore old vrsave
- lmw r31,-4(r1)
- blr
-
-_FLAC__lpc_restore_signal_asm_ppc_altivec_16_order8:
-# r3: residual[]
-# r4: data_len
-# r5: qlp_coeff[]
-# r6: order
-# r7: lp_quantization
-# r8: data[]
-
-# see _FLAC__lpc_restore_signal_asm_ppc_altivec_16() above
-# this version assumes order<=8; it uses fewer vector registers, which should
-# save time in context switches, and has less code, which may improve
-# instruction caching
-
- stmw r31,-4(r1)
-
- addi r9,r1,-28
- li r31,0xf
- andc r9,r9,r31 # for quadword-aligned stack data
-
- slwi r6,r6,2 # adjust for word size
- slwi r4,r4,2
- add r4,r4,r8 # r4 = data+data_len
-
- mfspr r0,256 # cache old vrsave
- addis r31,0,0xffc0
- ori r31,r31,0x0000
- mtspr 256,r31 # declare VRs in vrsave
-
- cmplw cr0,r8,r4 # i<data_len
- bc 4,0,L2400
-
- # load coefficients into v0-v1 and initial history into v2-v3
- li r31,0xf
- and r31,r8,r31 # r31: data%4
- li r11,16
- subf r31,r31,r11 # r31: 4-(data%4)
- slwi r31,r31,3 # convert to bits for vsro
- li r10,-4
- stw r31,-4(r9)
- lvewx v0,r10,r9
- vspltisb v6,-1
- vsro v6,v6,v0 # v6: mask vector
-
- li r31,0x8
- lvsl v0,0,r31
- vsldoi v0,v0,v0,12
- li r31,0xc
- lvsl v1,0,r31
- vspltisb v2,0
- vspltisb v3,-1
- vmrglw v2,v2,v3
- vsel v0,v1,v0,v2 # v0: reversal permutation vector
-
- add r10,r5,r6
- lvsl v5,0,r5 # v5: coefficient alignment permutation vector
- vperm v5,v5,v5,v0 # v5: reversal coefficient alignment permutation vector
-
- mr r11,r8
- lvsl v4,0,r11 # v4: history alignment permutation vector
-
- lvx v0,0,r5
- addi r5,r5,16
- lvx v1,0,r5
- vperm v0,v0,v1,v5
- lvx v2,0,r11
- addi r11,r11,-16
- lvx v3,0,r11
- vperm v2,v3,v2,v4
- cmplw cr0,r5,r10
- bc 12,0,L2101
- vand v0,v0,v6
- lis r31,L2301@ha
- la r31,L2301@l(r31)
- b L2199
-
-L2101:
- addi r5,r5,16
- lvx v7,0,r5
- vperm v1,v1,v7,v5
- addi r11,r11,-16
- lvx v7,0,r11
- vperm v3,v7,v3,v4
- vand v1,v1,v6
- lis r31,L2300@ha
- la r31,L2300@l(r31)
-
-L2199:
- mtctr r31
-
- # set up invariant vectors
- vspltish v4,0 # v4: zero vector
-
- li r10,-12
- lvsr v5,r10,r8 # v5: result shift vector
- lvsl v6,r10,r3 # v6: residual shift back vector
-
- li r10,-4
- stw r7,-4(r9)
- lvewx v7,r10,r9 # v7: lp_quantization vector
-
-L2200:
- vmulosh v8,v0,v2 # v8: sum vector
- bcctr 20,0
-
-L2300:
- vmulosh v9,v1,v3
- vsldoi v3,v3,v2,4
- vaddsws v8,v8,v9
-
-L2301:
- vsumsws v8,v8,v4 # v8[3]: sum
- vsraw v8,v8,v7 # v8[3]: sum >> lp_quantization
-
- lvewx v9,0,r3 # v9[n]: *residual
- vperm v9,v9,v9,v6 # v9[3]: *residual
- vaddsws v8,v9,v8 # v8[3]: *residual + (sum >> lp_quantization)
- vsldoi v6,v6,v6,4 # increment shift vector
-
- vperm v9,v8,v8,v5 # v9[n]: shift for storage
- vsldoi v5,v5,v5,12 # increment shift vector
- stvewx v9,0,r8
-
- vsldoi v8,v8,v8,12
- vsldoi v2,v2,v8,4 # insert value onto history
-
- addi r3,r3,4
- addi r8,r8,4
- cmplw cr0,r8,r4 # i<data_len
- bc 12,0,L2200
-
-L2400:
- mtspr 256,r0 # restore old vrsave
- lmw r31,-4(r1)
- blr
diff --git a/libFLAC/stream_decoder.c b/libFLAC/stream_decoder.c
index 7dff737..27bac3e 100644
--- a/libFLAC/stream_decoder.c
+++ b/libFLAC/stream_decoder.c
@@ -936,6 +936,9 @@
FLAC__ASSERT(0 != decoder->private_);
FLAC__ASSERT(0 != decoder->protected_);
+ if(!decoder->private_->internal_reset_hack && decoder->protected_->state == FLAC__STREAM_DECODER_UNINITIALIZED)
+ return false;
+
decoder->private_->samples_decoded = 0;
decoder->private_->do_md5_checking = false;
@@ -1281,9 +1284,6 @@
unsigned i;
FLAC__int32 *tmp;
- /* Make sure size is some sensible minimum value. Plumb through predictor_order maybe? */
- size = size < FLAC__MAX_LPC_ORDER ? FLAC__MAX_LPC_ORDER : size ;
-
if(size <= decoder->private_->output_capacity && channels <= decoder->private_->output_channels)
return true;
@@ -1738,6 +1738,7 @@
}
if (obj->num_comments > 0) {
if (0 == (obj->comments = safe_malloc_mul_2op_p(obj->num_comments, /*times*/sizeof(FLAC__StreamMetadata_VorbisComment_Entry)))) {
+ obj->num_comments = 0;
decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR;
obj->num_comments = 0;
return false;
@@ -1754,8 +1755,10 @@
}
else
length -= 4;
- if (!FLAC__bitreader_read_uint32_little_endian(decoder->private_->input, &obj->comments[i].length))
+ if (!FLAC__bitreader_read_uint32_little_endian(decoder->private_->input, &obj->comments[i].length)) {
+ obj->num_comments = i;
return false; /* read_callback_ sets the state for us */
+ }
if (obj->comments[i].length > 0) {
if (length < obj->comments[i].length) {
obj->num_comments = i;
@@ -1778,13 +1781,15 @@
obj->comments[i].entry = 0;
}
}
- else
- obj->comments = 0;
}
skip:
if (length > 0) {
- /* This will only happen on files with invalid data in comments */
+ /* length > 0 can only happen on files with invalid data in comments */
+ if(obj->num_comments < 1) {
+ free(obj->comments);
+ obj->comments = NULL;
+ }
if(!FLAC__bitreader_skip_byte_block_aligned_no_crc(decoder->private_->input, length))
return false; /* read_callback_ sets the state for us */
}
@@ -2111,7 +2116,7 @@
#if 1
mid = decoder->private_->output[0][i];
side = decoder->private_->output[1][i];
- mid <<= 1;
+ mid = ((uint32_t) mid) << 1;
mid |= (side & 1); /* i.e. if 'side' is odd... */
decoder->private_->output[0][i] = (mid + side) >> 1;
decoder->private_->output[1][i] = (mid - side) >> 1;
@@ -2537,8 +2542,10 @@
if(wasted_bits && do_full_decode) {
x = decoder->private_->frame.subframes[channel].wasted_bits;
- for(i = 0; i < decoder->private_->frame.header.blocksize; i++)
- decoder->private_->output[channel][i] <<= x;
+ for(i = 0; i < decoder->private_->frame.header.blocksize; i++) {
+ uint32_t val = decoder->private_->output[channel][i];
+ decoder->private_->output[channel][i] = (val << x);
+ }
}
return true;
@@ -2595,6 +2602,11 @@
case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2:
if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &u32, FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN))
return false; /* read_callback_ sets the state for us */
+ if(decoder->private_->frame.header.blocksize >> u32 < order) {
+ send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC);
+ decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC;
+ return true;
+ }
subframe->entropy_coding_method.data.partitioned_rice.order = u32;
subframe->entropy_coding_method.data.partitioned_rice.contents = &decoder->private_->partitioned_rice_contents[channel];
break;
@@ -2656,6 +2668,11 @@
/* read qlp shift */
if(!FLAC__bitreader_read_raw_int32(decoder->private_->input, &i32, FLAC__SUBFRAME_LPC_QLP_SHIFT_LEN))
return false; /* read_callback_ sets the state for us */
+ if(i32 < 0) {
+ send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC);
+ decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC;
+ return true;
+ }
subframe->quantization_level = i32;
/* read quantized lp coefficiencts */
@@ -2674,6 +2691,11 @@
case FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2:
if(!FLAC__bitreader_read_raw_uint32(decoder->private_->input, &u32, FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ORDER_LEN))
return false; /* read_callback_ sets the state for us */
+ if(decoder->private_->frame.header.blocksize >> u32 < order) {
+ send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC);
+ decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC;
+ return true;
+ }
subframe->entropy_coding_method.data.partitioned_rice.order = u32;
subframe->entropy_coding_method.data.partitioned_rice.contents = &decoder->private_->partitioned_rice_contents[channel];
break;
@@ -2697,9 +2719,6 @@
/* decode the subframe */
if(do_full_decode) {
memcpy(decoder->private_->output[channel], subframe->warmup, sizeof(FLAC__int32) * order);
- /*@@@@@@ technically not pessimistic enough, should be more like
- if( (FLAC__uint64)order * ((((FLAC__uint64)1)<<bps)-1) * ((1<<subframe->qlp_coeff_precision)-1) < (((FLAC__uint64)-1) << 32) )
- */
if(bps + subframe->qlp_coeff_precision + FLAC__bitmath_ilog2(order) <= 32)
if(bps <= 16 && subframe->qlp_coeff_precision <= 16)
decoder->private_->local_lpc_restore_signal_16bit(decoder->private_->residual[channel], decoder->private_->frame.header.blocksize-order, subframe->qlp_coeff, order, subframe->quantization_level, decoder->private_->output[channel]+order);
@@ -2745,21 +2764,8 @@
const unsigned plen = is_extended? FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_PARAMETER_LEN : FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_PARAMETER_LEN;
const unsigned pesc = is_extended? FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE2_ESCAPE_PARAMETER : FLAC__ENTROPY_CODING_METHOD_PARTITIONED_RICE_ESCAPE_PARAMETER;
- /* sanity checks */
- if(partition_order == 0) {
- if(decoder->private_->frame.header.blocksize < predictor_order) {
- send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC);
- decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC;
- return true;
- }
- }
- else {
- if(partition_samples < predictor_order) {
- send_error_to_client_(decoder, FLAC__STREAM_DECODER_ERROR_STATUS_LOST_SYNC);
- decoder->protected_->state = FLAC__STREAM_DECODER_SEARCH_FOR_FRAME_SYNC;
- return true;
- }
- }
+ /* invalid predictor and partition orders mush be handled in the callers */
+ FLAC__ASSERT(partition_order > 0? partition_samples >= predictor_order : decoder->private_->frame.header.blocksize >= predictor_order);
if(!FLAC__format_entropy_coding_method_partitioned_rice_contents_ensure_size(partitioned_rice_contents, flac_max(6u, partition_order))) {
decoder->protected_->state = FLAC__STREAM_DECODER_MEMORY_ALLOCATION_ERROR;
diff --git a/libFLAC/stream_encoder.c b/libFLAC/stream_encoder.c
index 3aa90fb..6380ce6 100644
--- a/libFLAC/stream_encoder.c
+++ b/libFLAC/stream_encoder.c
@@ -2159,14 +2159,21 @@
FLAC__ASSERT(0 != encoder->protected_);
FLAC__ASSERT(encoder->protected_->state == FLAC__STREAM_ENCODER_OK);
+// FLAC__ASSERT(samples <= blocksize);
+
do {
const unsigned n = flac_min(blocksize+OVERREAD_-encoder->private_->current_sample_number, samples-j);
if(encoder->protected_->verify)
append_to_verify_fifo_(&encoder->private_->verify.input_fifo, buffer, j, channels, n);
- for(channel = 0; channel < channels; channel++)
+ for(channel = 0; channel < channels; channel++) {
+ if (buffer[channel] == NULL) {
+ encoder->protected_->state = FLAC__STREAM_ENCODER_WRITE_STATUS_FATAL_ERROR;
+ return false;
+ }
memcpy(&encoder->private_->integer_signal[channel][encoder->private_->current_sample_number], &buffer[channel][j], sizeof(buffer[channel][0]) * n);
+ }
if(encoder->protected_->do_mid_side_stereo) {
FLAC__ASSERT(channels == 2);
