1 #include <opj_config.h>
3 * Copyright (c) 2005, Herv� Drolon, FreeImage Team
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
25 * POSSIBILITY OF SUCH DAMAGE.
32 #include "opj_includes.h"
34 /* ---------------------------------------------------------------------- */
38 DllMain(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) {
39 switch (ul_reason_for_call) {
40 case DLL_PROCESS_ATTACH :
42 case DLL_PROCESS_DETACH :
44 case DLL_THREAD_ATTACH :
45 case DLL_THREAD_DETACH :
51 #endif /* OPJ_STATIC */
54 /* ---------------------------------------------------------------------- */
57 const char* OPJ_CALLCONV opj_version(void) {
58 return PACKAGE_VERSION;
61 opj_dinfo_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT format) {
62 opj_dinfo_t *dinfo = (opj_dinfo_t*)opj_calloc(1, sizeof(opj_dinfo_t));
63 if(!dinfo) return NULL;
64 dinfo->is_decompressor = true;
68 /* get a J2K decoder handle */
69 dinfo->j2k_handle = (void*)j2k_create_decompress((opj_common_ptr)dinfo);
70 if(!dinfo->j2k_handle) {
76 /* get a JP2 decoder handle */
77 dinfo->jp2_handle = (void*)jp2_create_decompress((opj_common_ptr)dinfo);
78 if(!dinfo->jp2_handle) {
89 dinfo->codec_format = format;
94 void OPJ_CALLCONV opj_destroy_decompress(opj_dinfo_t *dinfo) {
96 /* destroy the codec */
97 switch(dinfo->codec_format) {
100 j2k_destroy_decompress((opj_j2k_t*)dinfo->j2k_handle);
103 jp2_destroy_decompress((opj_jp2_t*)dinfo->jp2_handle);
109 /* destroy the decompressor */
114 void OPJ_CALLCONV opj_set_default_decoder_parameters(opj_dparameters_t *parameters) {
116 memset(parameters, 0, sizeof(opj_dparameters_t));
117 /* default decoding parameters */
118 parameters->cp_layer = 0;
119 parameters->cp_reduce = 0;
120 parameters->cp_limit_decoding = NO_LIMITATION;
122 parameters->decod_format = -1;
123 parameters->cod_format = -1;
126 parameters->jpwl_correct = false;
127 parameters->jpwl_exp_comps = JPWL_EXPECTED_COMPONENTS;
128 parameters->jpwl_max_tiles = JPWL_MAXIMUM_TILES;
129 #endif /* USE_JPWL */
134 void OPJ_CALLCONV opj_setup_decoder(opj_dinfo_t *dinfo, opj_dparameters_t *parameters) {
135 if(dinfo && parameters) {
136 switch(dinfo->codec_format) {
139 j2k_setup_decoder((opj_j2k_t*)dinfo->j2k_handle, parameters);
142 jp2_setup_decoder((opj_jp2_t*)dinfo->jp2_handle, parameters);
151 opj_image_t* OPJ_CALLCONV opj_decode(opj_dinfo_t *dinfo, opj_cio_t *cio) {
152 return opj_decode_with_info(dinfo, cio, NULL);
155 opj_image_t* OPJ_CALLCONV opj_decode_with_info(opj_dinfo_t *dinfo, opj_cio_t *cio, opj_codestream_info_t *cstr_info) {
157 switch(dinfo->codec_format) {
159 return j2k_decode((opj_j2k_t*)dinfo->j2k_handle, cio, cstr_info);
161 return j2k_decode_jpt_stream((opj_j2k_t*)dinfo->j2k_handle, cio, cstr_info);
163 return jp2_decode((opj_jp2_t*)dinfo->jp2_handle, cio, cstr_info);
172 opj_cinfo_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT format) {
173 opj_cinfo_t *cinfo = (opj_cinfo_t*)opj_calloc(1, sizeof(opj_cinfo_t));
174 if(!cinfo) return NULL;
175 cinfo->is_decompressor = false;
178 /* get a J2K coder handle */
179 cinfo->j2k_handle = (void*)j2k_create_compress((opj_common_ptr)cinfo);
180 if(!cinfo->j2k_handle) {
186 /* get a JP2 coder handle */
187 cinfo->jp2_handle = (void*)jp2_create_compress((opj_common_ptr)cinfo);
188 if(!cinfo->jp2_handle) {
200 cinfo->codec_format = format;
205 void OPJ_CALLCONV opj_destroy_compress(opj_cinfo_t *cinfo) {
207 /* destroy the codec */
208 switch(cinfo->codec_format) {
210 j2k_destroy_compress((opj_j2k_t*)cinfo->j2k_handle);
213 jp2_destroy_compress((opj_jp2_t*)cinfo->jp2_handle);
220 /* destroy the decompressor */
225 void OPJ_CALLCONV opj_set_default_encoder_parameters(opj_cparameters_t *parameters) {
227 memset(parameters, 0, sizeof(opj_cparameters_t));
228 /* default coding parameters */
229 parameters->cp_cinema = OFF;
230 parameters->max_comp_size = 0;
231 parameters->numresolution = 6;
232 parameters->cp_rsiz = STD_RSIZ;
233 parameters->cblockw_init = 64;
234 parameters->cblockh_init = 64;
235 parameters->prog_order = LRCP;
236 parameters->roi_compno = -1; /* no ROI */
237 parameters->subsampling_dx = 1;
238 parameters->subsampling_dy = 1;
239 parameters->tp_on = 0;
240 parameters->decod_format = -1;
241 parameters->cod_format = -1;
242 parameters->tcp_rates[0] = 0;
243 parameters->tcp_numlayers = 0;
244 parameters->cp_disto_alloc = 0;
245 parameters->cp_fixed_alloc = 0;
246 parameters->cp_fixed_quality = 0;
250 parameters->jpwl_epc_on = false;
251 parameters->jpwl_hprot_MH = -1; /* -1 means unassigned */
254 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
255 parameters->jpwl_hprot_TPH_tileno[i] = -1; /* unassigned */
256 parameters->jpwl_hprot_TPH[i] = 0; /* absent */
261 for (i = 0; i < JPWL_MAX_NO_PACKSPECS; i++) {
262 parameters->jpwl_pprot_tileno[i] = -1; /* unassigned */
263 parameters->jpwl_pprot_packno[i] = -1; /* unassigned */
264 parameters->jpwl_pprot[i] = 0; /* absent */
267 parameters->jpwl_sens_size = 0; /* 0 means no ESD */
268 parameters->jpwl_sens_addr = 0; /* 0 means auto */
269 parameters->jpwl_sens_range = 0; /* 0 means packet */
270 parameters->jpwl_sens_MH = -1; /* -1 means unassigned */
273 for (i = 0; i < JPWL_MAX_NO_TILESPECS; i++) {
274 parameters->jpwl_sens_TPH_tileno[i] = -1; /* unassigned */
275 parameters->jpwl_sens_TPH[i] = -1; /* absent */
278 #endif /* USE_JPWL */
283 void OPJ_CALLCONV opj_setup_encoder(opj_cinfo_t *cinfo, opj_cparameters_t *parameters, opj_image_t *image) {
284 if(cinfo && parameters && image) {
285 switch(cinfo->codec_format) {
287 j2k_setup_encoder((opj_j2k_t*)cinfo->j2k_handle, parameters, image);
290 jp2_setup_encoder((opj_jp2_t*)cinfo->jp2_handle, parameters, image);
300 bool OPJ_CALLCONV opj_encode(opj_cinfo_t *cinfo, opj_cio_t *cio, opj_image_t *image, char *index) {
302 opj_event_msg((opj_common_ptr)cinfo, EVT_WARNING, "Set index to NULL when calling the opj_encode function.\n"
303 "To extract the index, use the opj_encode_with_info() function.\n"
304 "No index will be generated during this encoding\n");
305 return opj_encode_with_info(cinfo, cio, image, NULL);
308 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) {
309 if(cinfo && cio && image) {
310 switch(cinfo->codec_format) {
312 return j2k_encode((opj_j2k_t*)cinfo->j2k_handle, cio, image, cstr_info);
314 return jp2_encode((opj_jp2_t*)cinfo->jp2_handle, cio, image, cstr_info);
324 void OPJ_CALLCONV opj_destroy_cstr_info(opj_codestream_info_t *cstr_info) {
327 for (tileno = 0; tileno < cstr_info->tw * cstr_info->th; tileno++) {
328 opj_tile_info_t *tile_info = &cstr_info->tile[tileno];
329 opj_free(tile_info->thresh);
330 opj_free(tile_info->packet);
331 opj_free(tile_info->tp);
333 opj_free(cstr_info->tile);
334 opj_free(cstr_info->marker);
335 opj_free(cstr_info->numdecompos);