| /* |
| * Copyright (c) 2005, Hervé Drolon, FreeImage Team |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * |
| * 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 COPYRIGHT OWNER 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. |
| */ |
| |
| #ifdef WIN32 |
| #include <windows.h> |
| #endif /* WIN32 */ |
| |
| #include "opj_includes.h" |
| |
| /* ---------------------------------------------------------------------- */ |
| #ifdef WIN32 |
| #ifndef OPJ_STATIC |
| BOOL APIENTRY |
| DllMain(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) { |
| switch (ul_reason_for_call) { |
| case DLL_PROCESS_ATTACH : |
| break; |
| case DLL_PROCESS_DETACH : |
| break; |
| case DLL_THREAD_ATTACH : |
| case DLL_THREAD_DETACH : |
| break; |
| } |
| |
| return TRUE; |
| } |
| #endif /* OPJ_STATIC */ |
| #endif /* WIN32 */ |
| |
| /* ---------------------------------------------------------------------- */ |
| |
| |
| const char* OPJ_CALLCONV opj_version(void) { |
| return OPENJPEG_VERSION; |
| } |
| |
| opj_dinfo_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT format) { |
| opj_dinfo_t *dinfo = (opj_dinfo_t*)opj_calloc(1, sizeof(opj_dinfo_t)); |
| if(!dinfo) return NULL; |
| dinfo->is_decompressor = true; |
| switch(format) { |
| case CODEC_J2K: |
| case CODEC_JPT: |
| /* get a J2K decoder handle */ |
| dinfo->j2k_handle = (void*)j2k_create_decompress((opj_common_ptr)dinfo); |
| if(!dinfo->j2k_handle) { |
| opj_free(dinfo); |
| return NULL; |
| } |
| break; |
| case CODEC_JP2: |
| /* get a JP2 decoder handle */ |
| dinfo->jp2_handle = (void*)jp2_create_decompress((opj_common_ptr)dinfo); |
| if(!dinfo->jp2_handle) { |
| opj_free(dinfo); |
| return NULL; |
| } |
| break; |
| case CODEC_UNKNOWN: |
| default: |
| opj_free(dinfo); |
| return NULL; |
| } |
| |
| dinfo->codec_format = format; |
| |
| return dinfo; |
| } |
| |
| void OPJ_CALLCONV opj_destroy_decompress(opj_dinfo_t *dinfo) { |
| if(dinfo) { |
| /* destroy the codec */ |
| switch(dinfo->codec_format) { |
| case CODEC_J2K: |
| case CODEC_JPT: |
| j2k_destroy_decompress((opj_j2k_t*)dinfo->j2k_handle); |
| break; |
| case CODEC_JP2: |
| jp2_destroy_decompress((opj_jp2_t*)dinfo->jp2_handle); |
| break; |
| case CODEC_UNKNOWN: |
| default: |
| break; |
| } |
| /* destroy the decompressor */ |
| opj_free(dinfo); |
| } |
| } |
| |
| void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t *parameters) { |
| if(parameters) { |
| memset(parameters, 0, sizeof(opj_dparameters_t)); |
| /* default decoding parameters */ |
| parameters->cp_layer = 0; |
| parameters->cp_reduce = 0; |
| parameters->cp_limit_decoding = NO_LIMITATION; |
| |
| parameters->decod_format = -1; |
| parameters->cod_format = -1; |
| /* UniPG>> */ |
| #ifdef USE_JPWL |
| parameters->jpwl_correct = false; |
| parameters->jpwl_exp_comps = JPWL_EXPECTED_COMPONENTS; |
| parameters->jpwl_max_tiles = JPWL_MAXIMUM_TILES; |
| #endif /* USE_JPWL */ |
| /* <<UniPG */ |
| } |
| } |
| |
| void OPJ_CALLCONV opj_setup_decoder(opj_dinfo_t *dinfo, opj_dparameters_t *parameters) { |
| if(dinfo && parameters) { |
| switch(dinfo->codec_format) { |
| case CODEC_J2K: |
| case CODEC_JPT: |
| j2k_setup_decoder((opj_j2k_t*)dinfo->j2k_handle, parameters); |
| break; |
| case CODEC_JP2: |
| jp2_setup_decoder((opj_jp2_t*)dinfo->jp2_handle, parameters); |
| break; |
| case CODEC_UNKNOWN: |
| default: |
| break; |
| } |
| } |
| } |
| |
| opj_image_t* OPJ_CALLCONV opj_decode(opj_dinfo_t *dinfo, opj_cio_t *cio) { |
| return opj_decode_with_info(dinfo, cio, NULL); |
| } |
| |
| opj_image_t* OPJ_CALLCONV opj_decode_with_info(opj_dinfo_t *dinfo, opj_cio_t *cio, opj_codestream_info_t *cstr_info) { |
| if(dinfo && cio) { |
| switch(dinfo->codec_format) { |
| case CODEC_J2K: |
| return j2k_decode((opj_j2k_t*)dinfo->j2k_handle, cio, cstr_info); |
| case CODEC_JPT: |
| return j2k_decode_jpt_stream((opj_j2k_t*)dinfo->j2k_handle, cio, cstr_info); |
| case CODEC_JP2: |
| return jp2_decode((opj_jp2_t*)dinfo->jp2_handle, cio, cstr_info); |
| case CODEC_UNKNOWN: |
| default: |
| break; |
| } |
| } |
| return NULL; |
| } |
| |
| opj_cinfo_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT format) { |
| opj_cinfo_t *cinfo = (opj_cinfo_t*)opj_calloc(1, sizeof(opj_cinfo_t)); |
| if(!cinfo) return NULL; |
| cinfo->is_decompressor = false; |
| switch(format) { |
| case CODEC_J2K: |
| /* get a J2K coder handle */ |
| cinfo->j2k_handle = (void*)j2k_create_compress((opj_common_ptr)cinfo); |
| if(!cinfo->j2k_handle) { |
| opj_free(cinfo); |
| return NULL; |
| } |
| break; |
| case CODEC_JP2: |
| /* get a JP2 coder handle */ |
| cinfo->jp2_handle = (void*)jp2_create_compress((opj_common_ptr)cinfo); |
| if(!cinfo->jp2_handle) { |
| opj_free(cinfo); |
| return NULL; |
| } |
| break; |
| case CODEC_JPT: |
| case CODEC_UNKNOWN: |
| default: |
| opj_free(cinfo); |
| return NULL; |
| } |
| |
| cinfo->codec_format = format; |
| |
| return cinfo; |
| } |
| |
| void OPJ_CALLCONV opj_destroy_compress(opj_cinfo_t *cinfo) { |
| if(cinfo) { |
| /* destroy the codec */ |
| switch(cinfo->codec_format) { |
| case CODEC_J2K: |
| j2k_destroy_compress((opj_j2k_t*)cinfo->j2k_handle); |
| break; |
| case CODEC_JP2: |
| jp2_destroy_compress((opj_jp2_t*)cinfo->jp2_handle); |
| break; |
| case CODEC_JPT: |
| case CODEC_UNKNOWN: |
| default: |
| break; |
| } |
| /* destroy the decompressor */ |
| opj_free(cinfo); |
| } |
| } |
| |
| void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t *parameters) { |
| if(parameters) { |
| memset(parameters, 0, sizeof(opj_cparameters_t)); |
| /* default coding parameters */ |
| parameters->cp_cinema = OFF; |
| parameters->max_comp_size = 0; |
| parameters->numresolution = 6; |
| parameters->cp_rsiz = STD_RSIZ; |
| parameters->cblockw_init = 64; |
| parameters->cblockh_init = 64; |
| parameters->prog_order = LRCP; |
| parameters->roi_compno = -1; /* no ROI */ |
| parameters->subsampling_dx = 1; |
| parameters->subsampling_dy = 1; |
| parameters->tp_on = 0; |
| parameters->decod_format = -1; |
| parameters->cod_format = -1; |
| parameters->tcp_rates[0] = 0; |
| parameters->tcp_numlayers = 1; |
| parameters->cp_disto_alloc = 1; |
| |
| /* UniPG>> */ |
| #ifdef USE_JPWL |
| parameters->jpwl_epc_on = false; |
| parameters->jpwl_hprot_MH = -1; /* -1 means unassigned */ |
| { |
| int i; |
| for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) { |
| parameters->jpwl_hprot_TPH_tileno[i] = -1; /* unassigned */ |
| parameters->jpwl_hprot_TPH[i] = 0; /* absent */ |
| } |
| }; |
| { |
| int i; |
| for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) { |
| parameters->jpwl_pprot_tileno[i] = -1; /* unassigned */ |
| parameters->jpwl_pprot_packno[i] = -1; /* unassigned */ |
| parameters->jpwl_pprot[i] = 0; /* absent */ |
| } |
| }; |
| parameters->jpwl_sens_size = 0; /* 0 means no ESD */ |
| parameters->jpwl_sens_addr = 0; /* 0 means auto */ |
| parameters->jpwl_sens_range = 0; /* 0 means packet */ |
| parameters->jpwl_sens_MH = -1; /* -1 means unassigned */ |
| { |
| int i; |
| for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) { |
| parameters->jpwl_sens_TPH_tileno[i] = -1; /* unassigned */ |
| parameters->jpwl_sens_TPH[i] = -1; /* absent */ |
| } |
| }; |
| #endif /* USE_JPWL */ |
| /* <<UniPG */ |
| } |
| } |
| |
| void OPJ_CALLCONV opj_setup_encoder(opj_cinfo_t *cinfo, opj_cparameters_t *parameters, opj_image_t *image) { |
| if(cinfo && parameters && image) { |
| switch(cinfo->codec_format) { |
| case CODEC_J2K: |
| j2k_setup_encoder((opj_j2k_t*)cinfo->j2k_handle, parameters, image); |
| break; |
| case CODEC_JP2: |
| jp2_setup_encoder((opj_jp2_t*)cinfo->jp2_handle, parameters, image); |
| break; |
| case CODEC_JPT: |
| case CODEC_UNKNOWN: |
| default: |
| break; |
| } |
| } |
| } |
| |
| bool OPJ_CALLCONV opj_encode(opj_cinfo_t *cinfo, opj_cio_t *cio, opj_image_t *image, char *index) { |
| if (index != NULL) |
| opj_event_msg((opj_common_ptr)cinfo, EVT_WARNING, "Set index to NULL when calling the opj_encode function.\n" |
| "To extract the index, use the opj_encode_with_info() function.\n" |
| "No index will be generated during this encoding\n"); |
| return opj_encode_with_info(cinfo, cio, image, NULL); |
| } |
| |
| bool OPJ_CALLCONV opj_encode_with_info(opj_cinfo_t *cinfo, opj_cio_t *cio, opj_image_t *image, opj_codestream_info_t *cstr_info) { |
| if(cinfo && cio && image) { |
| switch(cinfo->codec_format) { |
| case CODEC_J2K: |
| return j2k_encode((opj_j2k_t*)cinfo->j2k_handle, cio, image, cstr_info); |
| case CODEC_JP2: |
| return jp2_encode((opj_jp2_t*)cinfo->jp2_handle, cio, image, cstr_info); |
| case CODEC_JPT: |
| case CODEC_UNKNOWN: |
| default: |
| break; |
| } |
| } |
| return false; |
| } |
| |
| void OPJ_CALLCONV opj_destroy_cstr_info(opj_codestream_info_t *cstr_info) { |
| if (cstr_info) { |
| int tileno; |
| for (tileno = 0; tileno < cstr_info->tw * cstr_info->th; tileno++) { |
| opj_tile_info_t *tile_info = &cstr_info->tile[tileno]; |
| opj_free(tile_info->thresh); |
| opj_free(tile_info->packet); |
| opj_free(tile_info->tp); |
| } |
| opj_free(cstr_info->tile); |
| opj_free(cstr_info->marker); |
| opj_free(cstr_info->numdecompos); |
| } |
| } |