343 lines
9.7 KiB
C
343 lines
9.7 KiB
C
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/*
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* Copyright (c) 2005, Herve Drolon, FreeImage Team
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef _WIN32
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#include <windows.h>
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#endif /* _WIN32 */
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#include "opj_config.h"
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#include "opj_includes.h"
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/* ---------------------------------------------------------------------- */
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#ifdef _WIN32
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#ifndef OPJ_STATIC
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BOOL APIENTRY
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DllMain(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) {
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OPJ_ARG_NOT_USED(lpReserved);
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OPJ_ARG_NOT_USED(hModule);
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switch (ul_reason_for_call) {
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case DLL_PROCESS_ATTACH :
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break;
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case DLL_PROCESS_DETACH :
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break;
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case DLL_THREAD_ATTACH :
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case DLL_THREAD_DETACH :
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break;
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}
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return TRUE;
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}
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#endif /* OPJ_STATIC */
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#endif /* _WIN32 */
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/* ---------------------------------------------------------------------- */
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const char* OPJ_CALLCONV opj_version(void) {
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return OPJ_PACKAGE_VERSION;
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}
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opj_dinfo_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT format) {
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opj_dinfo_t *dinfo = (opj_dinfo_t*)opj_calloc(1, sizeof(opj_dinfo_t));
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if(!dinfo) return NULL;
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dinfo->is_decompressor = OPJ_TRUE;
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switch(format) {
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case CODEC_J2K:
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case CODEC_JPT:
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/* get a J2K decoder handle */
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dinfo->j2k_handle = (void*)j2k_create_decompress((opj_common_ptr)dinfo);
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if(!dinfo->j2k_handle) {
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opj_free(dinfo);
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return NULL;
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}
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break;
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case CODEC_JP2:
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/* get a JP2 decoder handle */
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dinfo->jp2_handle = (void*)jp2_create_decompress((opj_common_ptr)dinfo);
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if(!dinfo->jp2_handle) {
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opj_free(dinfo);
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return NULL;
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}
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break;
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case CODEC_UNKNOWN:
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default:
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opj_free(dinfo);
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return NULL;
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}
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dinfo->codec_format = format;
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return dinfo;
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}
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void OPJ_CALLCONV opj_destroy_decompress(opj_dinfo_t *dinfo) {
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if(dinfo) {
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/* destroy the codec */
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switch(dinfo->codec_format) {
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case CODEC_J2K:
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case CODEC_JPT:
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j2k_destroy_decompress((opj_j2k_t*)dinfo->j2k_handle);
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break;
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case CODEC_JP2:
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jp2_destroy_decompress((opj_jp2_t*)dinfo->jp2_handle);
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break;
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case CODEC_UNKNOWN:
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default:
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break;
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}
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/* destroy the decompressor */
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opj_free(dinfo);
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}
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}
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void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t *parameters) {
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if(parameters) {
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memset(parameters, 0, sizeof(opj_dparameters_t));
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/* default decoding parameters */
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parameters->cp_layer = 0;
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parameters->cp_reduce = 0;
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parameters->cp_limit_decoding = NO_LIMITATION;
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parameters->decod_format = -1;
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parameters->cod_format = -1;
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parameters->flags = 0;
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/* UniPG>> */
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#ifdef USE_JPWL
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parameters->jpwl_correct = OPJ_FALSE;
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parameters->jpwl_exp_comps = JPWL_EXPECTED_COMPONENTS;
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parameters->jpwl_max_tiles = JPWL_MAXIMUM_TILES;
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#endif /* USE_JPWL */
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/* <<UniPG */
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}
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}
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void OPJ_CALLCONV opj_setup_decoder(opj_dinfo_t *dinfo, opj_dparameters_t *parameters) {
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if(dinfo && parameters) {
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switch(dinfo->codec_format) {
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case CODEC_J2K:
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case CODEC_JPT:
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j2k_setup_decoder((opj_j2k_t*)dinfo->j2k_handle, parameters);
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break;
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case CODEC_JP2:
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jp2_setup_decoder((opj_jp2_t*)dinfo->jp2_handle, parameters);
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break;
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case CODEC_UNKNOWN:
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default:
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break;
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}
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}
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}
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opj_image_t* OPJ_CALLCONV opj_decode(opj_dinfo_t *dinfo, opj_cio_t *cio) {
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return opj_decode_with_info(dinfo, cio, NULL);
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}
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opj_image_t* OPJ_CALLCONV opj_decode_with_info(opj_dinfo_t *dinfo, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
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if(dinfo && cio) {
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switch(dinfo->codec_format) {
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case CODEC_J2K:
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return j2k_decode((opj_j2k_t*)dinfo->j2k_handle, cio, cstr_info);
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case CODEC_JPT:
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return j2k_decode_jpt_stream((opj_j2k_t*)dinfo->j2k_handle, cio, cstr_info);
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case CODEC_JP2:
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return opj_jp2_decode((opj_jp2_t*)dinfo->jp2_handle, cio, cstr_info);
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case CODEC_UNKNOWN:
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default:
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break;
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}
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}
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return NULL;
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}
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opj_cinfo_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT format) {
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opj_cinfo_t *cinfo = (opj_cinfo_t*)opj_calloc(1, sizeof(opj_cinfo_t));
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if(!cinfo) return NULL;
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cinfo->is_decompressor = OPJ_FALSE;
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switch(format) {
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case CODEC_J2K:
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/* get a J2K coder handle */
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cinfo->j2k_handle = (void*)j2k_create_compress((opj_common_ptr)cinfo);
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if(!cinfo->j2k_handle) {
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opj_free(cinfo);
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return NULL;
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}
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break;
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case CODEC_JP2:
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/* get a JP2 coder handle */
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cinfo->jp2_handle = (void*)jp2_create_compress((opj_common_ptr)cinfo);
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if(!cinfo->jp2_handle) {
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opj_free(cinfo);
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return NULL;
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}
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break;
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case CODEC_JPT:
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case CODEC_UNKNOWN:
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default:
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opj_free(cinfo);
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return NULL;
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}
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cinfo->codec_format = format;
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return cinfo;
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}
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void OPJ_CALLCONV opj_destroy_compress(opj_cinfo_t *cinfo) {
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if(cinfo) {
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/* destroy the codec */
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switch(cinfo->codec_format) {
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case CODEC_J2K:
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j2k_destroy_compress((opj_j2k_t*)cinfo->j2k_handle);
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break;
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case CODEC_JP2:
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jp2_destroy_compress((opj_jp2_t*)cinfo->jp2_handle);
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break;
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case CODEC_JPT:
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case CODEC_UNKNOWN:
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default:
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break;
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}
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/* destroy the decompressor */
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opj_free(cinfo);
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}
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}
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void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t *parameters) {
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if(parameters) {
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memset(parameters, 0, sizeof(opj_cparameters_t));
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/* default coding parameters */
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parameters->cp_cinema = OFF;
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parameters->max_comp_size = 0;
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parameters->numresolution = 6;
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parameters->cp_rsiz = STD_RSIZ;
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parameters->cblockw_init = 64;
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parameters->cblockh_init = 64;
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parameters->prog_order = LRCP;
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parameters->roi_compno = -1; /* no ROI */
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parameters->subsampling_dx = 1;
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parameters->subsampling_dy = 1;
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parameters->tp_on = 0;
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parameters->decod_format = -1;
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parameters->cod_format = -1;
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parameters->tcp_rates[0] = 0;
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parameters->tcp_numlayers = 0;
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parameters->cp_disto_alloc = 0;
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parameters->cp_fixed_alloc = 0;
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parameters->cp_fixed_quality = 0;
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/* UniPG>> */
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#ifdef USE_JPWL
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parameters->jpwl_epc_on = OPJ_FALSE;
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parameters->jpwl_hprot_MH = -1; /* -1 means unassigned */
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{
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int i;
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for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
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parameters->jpwl_hprot_TPH_tileno[i] = -1; /* unassigned */
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parameters->jpwl_hprot_TPH[i] = 0; /* absent */
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}
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};
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{
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int i;
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for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
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parameters->jpwl_pprot_tileno[i] = -1; /* unassigned */
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parameters->jpwl_pprot_packno[i] = -1; /* unassigned */
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parameters->jpwl_pprot[i] = 0; /* absent */
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}
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};
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parameters->jpwl_sens_size = 0; /* 0 means no ESD */
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parameters->jpwl_sens_addr = 0; /* 0 means auto */
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parameters->jpwl_sens_range = 0; /* 0 means packet */
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parameters->jpwl_sens_MH = -1; /* -1 means unassigned */
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{
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int i;
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for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
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parameters->jpwl_sens_TPH_tileno[i] = -1; /* unassigned */
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parameters->jpwl_sens_TPH[i] = -1; /* absent */
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}
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};
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#endif /* USE_JPWL */
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/* <<UniPG */
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}
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}
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void OPJ_CALLCONV opj_setup_encoder(opj_cinfo_t *cinfo, opj_cparameters_t *parameters, opj_image_t *image) {
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if(cinfo && parameters && image) {
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switch(cinfo->codec_format) {
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case CODEC_J2K:
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j2k_setup_encoder((opj_j2k_t*)cinfo->j2k_handle, parameters, image);
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break;
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case CODEC_JP2:
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jp2_setup_encoder((opj_jp2_t*)cinfo->jp2_handle, parameters, image);
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break;
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case CODEC_JPT:
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case CODEC_UNKNOWN:
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default:
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break;
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}
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}
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}
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opj_bool OPJ_CALLCONV opj_encode(opj_cinfo_t *cinfo, opj_cio_t *cio, opj_image_t *image, char *index) {
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if (index != NULL)
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opj_event_msg((opj_common_ptr)cinfo, EVT_WARNING, "Set index to NULL when calling the opj_encode function.\n"
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"To extract the index, use the opj_encode_with_info() function.\n"
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"No index will be generated during this encoding\n");
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return opj_encode_with_info(cinfo, cio, image, NULL);
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}
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opj_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) {
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if(cinfo && cio && image) {
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switch(cinfo->codec_format) {
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case CODEC_J2K:
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return j2k_encode((opj_j2k_t*)cinfo->j2k_handle, cio, image, cstr_info);
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case CODEC_JP2:
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return opj_jp2_encode((opj_jp2_t*)cinfo->jp2_handle, cio, image, cstr_info);
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case CODEC_JPT:
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case CODEC_UNKNOWN:
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default:
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break;
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}
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}
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return OPJ_FALSE;
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}
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void OPJ_CALLCONV opj_destroy_cstr_info(opj_codestream_info_t *cstr_info) {
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if (cstr_info) {
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int tileno;
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for (tileno = 0; tileno < cstr_info->tw * cstr_info->th; tileno++) {
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opj_tile_info_t *tile_info = &cstr_info->tile[tileno];
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opj_free(tile_info->thresh);
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opj_free(tile_info->packet);
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opj_free(tile_info->tp);
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opj_free(tile_info->marker);
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}
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opj_free(cstr_info->tile);
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opj_free(cstr_info->marker);
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opj_free(cstr_info->numdecompos);
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}
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}
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