| /* |
| * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.media.sound; |
| |
| import java.io.File; |
| import java.io.InputStream; |
| import java.io.OutputStream; |
| import java.io.IOException; |
| |
| import java.io.BufferedOutputStream; |
| import java.io.DataOutputStream; |
| import java.io.FileOutputStream; |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| import java.io.RandomAccessFile; |
| import java.io.SequenceInputStream; |
| |
| import javax.sound.sampled.AudioFileFormat; |
| import javax.sound.sampled.AudioInputStream; |
| import javax.sound.sampled.AudioFormat; |
| import javax.sound.sampled.AudioSystem; |
| |
| //$$fb this class is buggy. Should be replaced in future. |
| |
| /** |
| * WAVE file writer. |
| * |
| * @author Jan Borgersen |
| */ |
| public final class WaveFileWriter extends SunFileWriter { |
| |
| // magic numbers |
| static final int RIFF_MAGIC = 1380533830; |
| static final int WAVE_MAGIC = 1463899717; |
| static final int FMT_MAGIC = 0x666d7420; // "fmt " |
| static final int DATA_MAGIC = 0x64617461; // "data" |
| |
| // encodings |
| static final int WAVE_FORMAT_UNKNOWN = 0x0000; |
| static final int WAVE_FORMAT_PCM = 0x0001; |
| static final int WAVE_FORMAT_ADPCM = 0x0002; |
| static final int WAVE_FORMAT_ALAW = 0x0006; |
| static final int WAVE_FORMAT_MULAW = 0x0007; |
| static final int WAVE_FORMAT_OKI_ADPCM = 0x0010; |
| static final int WAVE_FORMAT_DIGISTD = 0x0015; |
| static final int WAVE_FORMAT_DIGIFIX = 0x0016; |
| static final int WAVE_IBM_FORMAT_MULAW = 0x0101; |
| static final int WAVE_IBM_FORMAT_ALAW = 0x0102; |
| static final int WAVE_IBM_FORMAT_ADPCM = 0x0103; |
| static final int WAVE_FORMAT_DVI_ADPCM = 0x0011; |
| static final int WAVE_FORMAT_SX7383 = 0x1C07; |
| |
| /** |
| * Constructs a new WaveFileWriter object. |
| */ |
| public WaveFileWriter() { |
| super(new AudioFileFormat.Type[]{AudioFileFormat.Type.WAVE}); |
| } |
| |
| |
| // METHODS TO IMPLEMENT AudioFileWriter |
| |
| |
| public AudioFileFormat.Type[] getAudioFileTypes(AudioInputStream stream) { |
| |
| AudioFileFormat.Type[] filetypes = new AudioFileFormat.Type[types.length]; |
| System.arraycopy(types, 0, filetypes, 0, types.length); |
| |
| // make sure we can write this stream |
| AudioFormat format = stream.getFormat(); |
| AudioFormat.Encoding encoding = format.getEncoding(); |
| |
| if( AudioFormat.Encoding.ALAW.equals(encoding) || |
| AudioFormat.Encoding.ULAW.equals(encoding) || |
| AudioFormat.Encoding.PCM_SIGNED.equals(encoding) || |
| AudioFormat.Encoding.PCM_UNSIGNED.equals(encoding) ) { |
| |
| return filetypes; |
| } |
| |
| return new AudioFileFormat.Type[0]; |
| } |
| |
| |
| public int write(AudioInputStream stream, AudioFileFormat.Type fileType, OutputStream out) throws IOException { |
| |
| //$$fb the following check must come first ! Otherwise |
| // the next frame length check may throw an IOException and |
| // interrupt iterating File Writers. (see bug 4351296) |
| |
| // throws IllegalArgumentException if not supported |
| WaveFileFormat waveFileFormat = (WaveFileFormat)getAudioFileFormat(fileType, stream); |
| |
| //$$fb when we got this far, we are committed to write this file |
| |
| // we must know the total data length to calculate the file length |
| if( stream.getFrameLength() == AudioSystem.NOT_SPECIFIED ) { |
| throw new IOException("stream length not specified"); |
| } |
| |
| int bytesWritten = writeWaveFile(stream, waveFileFormat, out); |
| return bytesWritten; |
| } |
| |
| |
| public int write(AudioInputStream stream, AudioFileFormat.Type fileType, File out) throws IOException { |
| |
| // throws IllegalArgumentException if not supported |
| WaveFileFormat waveFileFormat = (WaveFileFormat)getAudioFileFormat(fileType, stream); |
| |
| // first write the file without worrying about length fields |
| FileOutputStream fos = new FileOutputStream( out ); // throws IOException |
| BufferedOutputStream bos = new BufferedOutputStream( fos, bisBufferSize ); |
| int bytesWritten = writeWaveFile(stream, waveFileFormat, bos ); |
| bos.close(); |
| |
| // now, if length fields were not specified, calculate them, |
| // open as a random access file, write the appropriate fields, |
| // close again.... |
| if( waveFileFormat.getByteLength()== AudioSystem.NOT_SPECIFIED ) { |
| |
| int dataLength=bytesWritten-waveFileFormat.getHeaderSize(); |
| int riffLength=dataLength + waveFileFormat.getHeaderSize() - 8; |
| |
| RandomAccessFile raf=new RandomAccessFile(out, "rw"); |
| // skip RIFF magic |
| raf.skipBytes(4); |
| raf.writeInt(big2little( riffLength )); |
| // skip WAVE magic, fmt_ magic, fmt_ length, fmt_ chunk, data magic |
| raf.skipBytes(4+4+4+WaveFileFormat.getFmtChunkSize(waveFileFormat.getWaveType())+4); |
| raf.writeInt(big2little( dataLength )); |
| // that's all |
| raf.close(); |
| } |
| |
| return bytesWritten; |
| } |
| |
| //-------------------------------------------------------------------- |
| |
| /** |
| * Returns the AudioFileFormat describing the file that will be written from this AudioInputStream. |
| * Throws IllegalArgumentException if not supported. |
| */ |
| private AudioFileFormat getAudioFileFormat(AudioFileFormat.Type type, AudioInputStream stream) { |
| AudioFormat format = null; |
| WaveFileFormat fileFormat = null; |
| AudioFormat.Encoding encoding = AudioFormat.Encoding.PCM_SIGNED; |
| |
| AudioFormat streamFormat = stream.getFormat(); |
| AudioFormat.Encoding streamEncoding = streamFormat.getEncoding(); |
| |
| float sampleRate; |
| int sampleSizeInBits; |
| int channels; |
| int frameSize; |
| float frameRate; |
| int fileSize; |
| |
| if (!types[0].equals(type)) { |
| throw new IllegalArgumentException("File type " + type + " not supported."); |
| } |
| int waveType = WaveFileFormat.WAVE_FORMAT_PCM; |
| |
| if( AudioFormat.Encoding.ALAW.equals(streamEncoding) || |
| AudioFormat.Encoding.ULAW.equals(streamEncoding) ) { |
| |
| encoding = streamEncoding; |
| sampleSizeInBits = streamFormat.getSampleSizeInBits(); |
| if (streamEncoding.equals(AudioFormat.Encoding.ALAW)) { |
| waveType = WAVE_FORMAT_ALAW; |
| } else { |
| waveType = WAVE_FORMAT_MULAW; |
| } |
| } else if ( streamFormat.getSampleSizeInBits()==8 ) { |
| encoding = AudioFormat.Encoding.PCM_UNSIGNED; |
| sampleSizeInBits=8; |
| } else { |
| encoding = AudioFormat.Encoding.PCM_SIGNED; |
| sampleSizeInBits=streamFormat.getSampleSizeInBits(); |
| } |
| |
| |
| format = new AudioFormat( encoding, |
| streamFormat.getSampleRate(), |
| sampleSizeInBits, |
| streamFormat.getChannels(), |
| streamFormat.getFrameSize(), |
| streamFormat.getFrameRate(), |
| false); // WAVE is little endian |
| |
| if( stream.getFrameLength()!=AudioSystem.NOT_SPECIFIED ) { |
| fileSize = (int)stream.getFrameLength()*streamFormat.getFrameSize() |
| + WaveFileFormat.getHeaderSize(waveType); |
| } else { |
| fileSize = AudioSystem.NOT_SPECIFIED; |
| } |
| |
| fileFormat = new WaveFileFormat( AudioFileFormat.Type.WAVE, |
| fileSize, |
| format, |
| (int)stream.getFrameLength() ); |
| |
| return fileFormat; |
| } |
| |
| |
| private int writeWaveFile(InputStream in, WaveFileFormat waveFileFormat, OutputStream out) throws IOException { |
| |
| int bytesRead = 0; |
| int bytesWritten = 0; |
| InputStream fileStream = getFileStream(waveFileFormat, in); |
| byte buffer[] = new byte[bisBufferSize]; |
| int maxLength = waveFileFormat.getByteLength(); |
| |
| while( (bytesRead = fileStream.read( buffer )) >= 0 ) { |
| |
| if (maxLength>0) { |
| if( bytesRead < maxLength ) { |
| out.write( buffer, 0, (int)bytesRead ); |
| bytesWritten += bytesRead; |
| maxLength -= bytesRead; |
| } else { |
| out.write( buffer, 0, (int)maxLength ); |
| bytesWritten += maxLength; |
| maxLength = 0; |
| break; |
| } |
| } else { |
| out.write( buffer, 0, (int)bytesRead ); |
| bytesWritten += bytesRead; |
| } |
| } |
| |
| return bytesWritten; |
| } |
| |
| private InputStream getFileStream(WaveFileFormat waveFileFormat, InputStream audioStream) throws IOException { |
| // private method ... assumes audioFileFormat is a supported file type |
| |
| // WAVE header fields |
| AudioFormat audioFormat = waveFileFormat.getFormat(); |
| int headerLength = waveFileFormat.getHeaderSize(); |
| int riffMagic = WaveFileFormat.RIFF_MAGIC; |
| int waveMagic = WaveFileFormat.WAVE_MAGIC; |
| int fmtMagic = WaveFileFormat.FMT_MAGIC; |
| int fmtLength = WaveFileFormat.getFmtChunkSize(waveFileFormat.getWaveType()); |
| short wav_type = (short) waveFileFormat.getWaveType(); |
| short channels = (short) audioFormat.getChannels(); |
| short sampleSizeInBits = (short) audioFormat.getSampleSizeInBits(); |
| int sampleRate = (int) audioFormat.getSampleRate(); |
| int frameSizeInBytes = (int) audioFormat.getFrameSize(); |
| int frameRate = (int) audioFormat.getFrameRate(); |
| int avgBytesPerSec = channels * sampleSizeInBits * sampleRate / 8;; |
| short blockAlign = (short) ((sampleSizeInBits / 8) * channels); |
| int dataMagic = WaveFileFormat.DATA_MAGIC; |
| int dataLength = waveFileFormat.getFrameLength() * frameSizeInBytes; |
| int length = waveFileFormat.getByteLength(); |
| int riffLength = dataLength + headerLength - 8; |
| |
| byte header[] = null; |
| ByteArrayInputStream headerStream = null; |
| ByteArrayOutputStream baos = null; |
| DataOutputStream dos = null; |
| SequenceInputStream waveStream = null; |
| |
| AudioFormat audioStreamFormat = null; |
| AudioFormat.Encoding encoding = null; |
| InputStream codedAudioStream = audioStream; |
| |
| // if audioStream is an AudioInputStream and we need to convert, do it here... |
| if(audioStream instanceof AudioInputStream) { |
| audioStreamFormat = ((AudioInputStream)audioStream).getFormat(); |
| |
| encoding = audioStreamFormat.getEncoding(); |
| |
| if(AudioFormat.Encoding.PCM_SIGNED.equals(encoding)) { |
| if( sampleSizeInBits==8 ) { |
| wav_type = WaveFileFormat.WAVE_FORMAT_PCM; |
| // plug in the transcoder to convert from PCM_SIGNED to PCM_UNSIGNED |
| codedAudioStream = AudioSystem.getAudioInputStream( new AudioFormat( |
| AudioFormat.Encoding.PCM_UNSIGNED, |
| audioStreamFormat.getSampleRate(), |
| audioStreamFormat.getSampleSizeInBits(), |
| audioStreamFormat.getChannels(), |
| audioStreamFormat.getFrameSize(), |
| audioStreamFormat.getFrameRate(), |
| false), |
| (AudioInputStream)audioStream); |
| } |
| } |
| if( (AudioFormat.Encoding.PCM_SIGNED.equals(encoding) && audioStreamFormat.isBigEndian()) || |
| (AudioFormat.Encoding.PCM_UNSIGNED.equals(encoding) && !audioStreamFormat.isBigEndian()) || |
| (AudioFormat.Encoding.PCM_UNSIGNED.equals(encoding) && audioStreamFormat.isBigEndian()) ) { |
| if( sampleSizeInBits!=8) { |
| wav_type = WaveFileFormat.WAVE_FORMAT_PCM; |
| // plug in the transcoder to convert to PCM_SIGNED_LITTLE_ENDIAN |
| codedAudioStream = AudioSystem.getAudioInputStream( new AudioFormat( |
| AudioFormat.Encoding.PCM_SIGNED, |
| audioStreamFormat.getSampleRate(), |
| audioStreamFormat.getSampleSizeInBits(), |
| audioStreamFormat.getChannels(), |
| audioStreamFormat.getFrameSize(), |
| audioStreamFormat.getFrameRate(), |
| false), |
| (AudioInputStream)audioStream); |
| } |
| } |
| } |
| |
| |
| // Now push the header into a stream, concat, and return the new SequenceInputStream |
| |
| baos = new ByteArrayOutputStream(); |
| dos = new DataOutputStream(baos); |
| |
| // we write in littleendian... |
| dos.writeInt(riffMagic); |
| dos.writeInt(big2little( riffLength )); |
| dos.writeInt(waveMagic); |
| dos.writeInt(fmtMagic); |
| dos.writeInt(big2little(fmtLength)); |
| dos.writeShort(big2littleShort(wav_type)); |
| dos.writeShort(big2littleShort(channels)); |
| dos.writeInt(big2little(sampleRate)); |
| dos.writeInt(big2little(avgBytesPerSec)); |
| dos.writeShort(big2littleShort(blockAlign)); |
| dos.writeShort(big2littleShort(sampleSizeInBits)); |
| //$$fb 2002-04-16: Fix for 4636355: RIFF audio headers could be _more_ spec compliant |
| if (wav_type != WaveFileFormat.WAVE_FORMAT_PCM) { |
| // add length 0 for "codec specific data length" |
| dos.writeShort(0); |
| } |
| |
| dos.writeInt(dataMagic); |
| dos.writeInt(big2little(dataLength)); |
| |
| dos.close(); |
| header = baos.toByteArray(); |
| headerStream = new ByteArrayInputStream( header ); |
| waveStream = new SequenceInputStream(headerStream, |
| new NoCloseInputStream(codedAudioStream)); |
| |
| return (InputStream)waveStream; |
| } |
| } |
