/*
- * Copyright (c) 2005, Herv� Drolon, FreeImage Team
+ * Copyright (c) 2005, Herve Drolon, FreeImage Team
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* POSSIBILITY OF SUCH DAMAGE.
*/
-#ifdef WIN32
+#ifdef _WIN32
#include <windows.h>
-#endif /* WIN32 */
+#endif /* _WIN32 */
+#include "opj_config.h"
#include "opj_includes.h"
+
+/**
+ * Decompression handler.
+ */
+typedef struct opj_decompression
+{
+ /** Main header reading function handler*/
+ opj_bool (*opj_read_header) ( struct opj_stream_private * cio,
+ void * p_codec,
+ opj_image_t **p_image,
+ struct opj_event_mgr * p_manager);
+ /** Decoding function */
+ opj_bool (*opj_decode) ( void * p_codec,
+ struct opj_stream_private *p_cio,
+ opj_image_t *p_image,
+ struct opj_event_mgr * p_manager);
+ /** FIXME DOC */
+ opj_bool (*opj_read_tile_header)( void * p_codec,
+ OPJ_UINT32 * p_tile_index,
+ OPJ_UINT32* p_data_size,
+ OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
+ OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
+ OPJ_UINT32 * p_nb_comps,
+ opj_bool * p_should_go_on,
+ struct opj_stream_private *p_cio,
+ struct opj_event_mgr * p_manager);
+ /** FIXME DOC */
+ opj_bool (*opj_decode_tile_data)( void * p_codec,
+ OPJ_UINT32 p_tile_index,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 p_data_size,
+ struct opj_stream_private *p_cio,
+ struct opj_event_mgr * p_manager);
+ /** Reading function used after codestream if necessary */
+ opj_bool (* opj_end_decompress) ( void *p_codec,
+ struct opj_stream_private *cio,
+ struct opj_event_mgr * p_manager);
+ /** Codec destroy function handler*/
+ void (*opj_destroy) (void * p_codec);
+ /** Setup decoder function handler */
+ void (*opj_setup_decoder) (void * p_codec, opj_dparameters_t * p_param);
+ /** Set decode area function handler */
+ opj_bool (*opj_set_decode_area) ( void * p_codec,
+ opj_image_t* p_image,
+ OPJ_INT32 p_start_x, OPJ_INT32 p_end_x,
+ OPJ_INT32 p_start_y, OPJ_INT32 p_end_y,
+ struct opj_event_mgr * p_manager);
+
+ /** Get tile function */
+ opj_bool (*opj_get_decoded_tile) ( void *p_codec,
+ opj_stream_private_t *p_cio,
+ opj_image_t *p_image,
+ struct opj_event_mgr * p_manager,
+ OPJ_UINT32 tile_index);
+
+ /** Set the decoded resolution factor */
+ opj_bool (*opj_set_decoded_resolution_factor) (void * p_codec, OPJ_UINT32 res_factor, struct opj_event_mgr * p_manager);
+
+}opj_decompression_t;
+
+/**
+ * Compression handler. FIXME DOC
+ */
+typedef struct opj_compression
+{
+ opj_bool (* opj_start_compress) (void *p_codec,struct opj_stream_private *cio,struct opj_image * p_image, struct opj_event_mgr * p_manager);
+ opj_bool (* opj_encode) (void * p_codec, struct opj_stream_private *p_cio, struct opj_event_mgr * p_manager);
+ opj_bool (* opj_write_tile) (void * p_codec,OPJ_UINT32 p_tile_index,OPJ_BYTE * p_data,OPJ_UINT32 p_data_size,struct opj_stream_private * p_cio,struct opj_event_mgr * p_manager);
+ opj_bool (* opj_end_compress) (void * p_codec, struct opj_stream_private *p_cio, struct opj_event_mgr * p_manager);
+ void (* opj_destroy) (void * p_codec);
+ void (*opj_setup_encoder) (void * p_codec,opj_cparameters_t * p_param,struct opj_image * p_image, struct opj_event_mgr * p_manager);
+
+}opj_compression_t;
+
+/**
+ * Main codec handler used for compression or decompression.
+ */
+typedef struct opj_codec_private
+{
+ /** FIXME DOC */
+ union {
+ opj_decompression_t m_decompression;
+ opj_compression_t m_compression;
+ } m_codec_data;
+ /** FIXME DOC*/
+ void * m_codec;
+ /** Event handler */
+ opj_event_mgr_t* m_event_mgr;
+ /** Flag to indicate if the codec is used to decode or encode*/
+ opj_bool is_decompressor;
+ void (*opj_dump_codec) (void * p_codec, OPJ_INT32 info_flag, FILE* output_stream);
+ opj_codestream_info_v2_t* (*opj_get_codec_info)(void* p_codec);
+ opj_codestream_index_t* (*opj_get_codec_index)(void* p_codec);
+}
+opj_codec_private_t;
+
+
+
/* ---------------------------------------------------------------------- */
-#ifdef WIN32
+
+
+OPJ_SIZE_T opj_read_from_file (void * p_buffer, OPJ_SIZE_T p_nb_bytes, FILE * p_file)
+{
+ OPJ_SIZE_T l_nb_read = fread(p_buffer,1,p_nb_bytes,p_file);
+ return l_nb_read ? l_nb_read : -1;
+}
+
+OPJ_UINT64 opj_get_data_length_from_file (FILE * p_file)
+{
+ OPJ_OFF_T file_length = 0;
+
+ OPJ_FSEEK(p_file, 0, SEEK_END);
+ file_length = (OPJ_UINT64)OPJ_FTELL(p_file);
+ OPJ_FSEEK(p_file, 0, SEEK_SET);
+
+ return file_length;
+}
+
+OPJ_SIZE_T opj_write_from_file (void * p_buffer, OPJ_SIZE_T p_nb_bytes, FILE * p_file)
+{
+ return fwrite(p_buffer,1,p_nb_bytes,p_file);
+}
+
+OPJ_OFF_T opj_skip_from_file (OPJ_OFF_T p_nb_bytes, FILE * p_user_data)
+{
+ if (OPJ_FSEEK(p_user_data,p_nb_bytes,SEEK_CUR)) {
+ return -1;
+ }
+
+ return p_nb_bytes;
+}
+
+opj_bool opj_seek_from_file (OPJ_OFF_T p_nb_bytes, FILE * p_user_data)
+{
+ if (OPJ_FSEEK(p_user_data,p_nb_bytes,SEEK_SET)) {
+ return EXIT_FAILURE;
+ }
+
+ return EXIT_SUCCESS;
+}
+
+/* ---------------------------------------------------------------------- */
+#ifdef _WIN32
#ifndef OPJ_STATIC
BOOL APIENTRY
DllMain(HANDLE hModule, DWORD ul_reason_for_call, LPVOID lpReserved) {
+
+ OPJ_ARG_NOT_USED(lpReserved);
+ OPJ_ARG_NOT_USED(hModule);
+
switch (ul_reason_for_call) {
case DLL_PROCESS_ATTACH :
break;
return TRUE;
}
#endif /* OPJ_STATIC */
-#endif /* WIN32 */
+#endif /* _WIN32 */
/* ---------------------------------------------------------------------- */
const char* OPJ_CALLCONV opj_version(void) {
- return OPENJPEG_VERSION;
+ return PACKAGE_VERSION;
}
+
+/* DEPRECATED */
opj_dinfo_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT format) {
- opj_dinfo_t *dinfo = (opj_dinfo_t*)opj_malloc(sizeof(opj_dinfo_t));
+ opj_dinfo_t *dinfo = (opj_dinfo_t*)opj_calloc(1, sizeof(opj_dinfo_t));
if(!dinfo) return NULL;
- dinfo->is_decompressor = true;
+ dinfo->is_decompressor = OPJ_TRUE;
switch(format) {
case CODEC_J2K:
case CODEC_JPT:
return dinfo;
}
+opj_codec_t* OPJ_CALLCONV opj_create_decompress_v2(OPJ_CODEC_FORMAT p_format)
+{
+ opj_codec_private_t *l_info = 00;
+
+ l_info = (opj_codec_private_t*) opj_calloc(1, sizeof(opj_codec_private_t));
+ if (!l_info){
+ return 00;
+ }
+ memset(l_info, 0, sizeof(opj_codec_private_t));
+
+ l_info->is_decompressor = 1;
+
+ switch (p_format) {
+ case CODEC_J2K:
+ l_info->opj_dump_codec = (void (*) (void*, OPJ_INT32, FILE*)) j2k_dump;
+
+ l_info->opj_get_codec_info = (opj_codestream_info_v2_t* (*) (void*) ) j2k_get_cstr_info;
+
+ l_info->opj_get_codec_index = (opj_codestream_index_t* (*) (void*) ) j2k_get_cstr_index;
+
+ l_info->m_codec_data.m_decompression.opj_decode =
+ (opj_bool (*) ( void *,
+ struct opj_stream_private *,
+ opj_image_t*, struct opj_event_mgr * )) j2k_decode_v2;
+
+ l_info->m_codec_data.m_decompression.opj_end_decompress =
+ (opj_bool (*) ( void *,
+ struct opj_stream_private *,
+ struct opj_event_mgr *)) j2k_end_decompress;
+
+ l_info->m_codec_data.m_decompression.opj_read_header =
+ (opj_bool (*) ( struct opj_stream_private *,
+ void *,
+ opj_image_t **,
+ struct opj_event_mgr * )) j2k_read_header;
+
+ l_info->m_codec_data.m_decompression.opj_destroy =
+ (void (*) (void *))j2k_destroy;
+
+ l_info->m_codec_data.m_decompression.opj_setup_decoder =
+ (void (*) (void * , opj_dparameters_t * )) j2k_setup_decoder_v2;
+
+ l_info->m_codec_data.m_decompression.opj_read_tile_header =
+ (opj_bool (*) ( void *,
+ OPJ_UINT32*,
+ OPJ_UINT32*,
+ OPJ_INT32*, OPJ_INT32*,
+ OPJ_INT32*, OPJ_INT32*,
+ OPJ_UINT32*,
+ opj_bool*,
+ struct opj_stream_private *,
+ struct opj_event_mgr * )) j2k_read_tile_header;
+
+ l_info->m_codec_data.m_decompression.opj_decode_tile_data =
+ (opj_bool (*) (void *, OPJ_UINT32, OPJ_BYTE*, OPJ_UINT32, struct opj_stream_private *, struct opj_event_mgr *)) j2k_decode_tile;
+
+ l_info->m_codec_data.m_decompression.opj_set_decode_area =
+ (opj_bool (*) (void *, opj_image_t*, OPJ_INT32, OPJ_INT32, OPJ_INT32, OPJ_INT32, struct opj_event_mgr *)) j2k_set_decode_area;
+
+ l_info->m_codec_data.m_decompression.opj_get_decoded_tile = (opj_bool (*) ( void *p_codec,
+ opj_stream_private_t *p_cio,
+ opj_image_t *p_image,
+ struct opj_event_mgr * p_manager,
+ OPJ_UINT32 tile_index)) j2k_get_tile;
+
+ l_info->m_codec_data.m_decompression.opj_set_decoded_resolution_factor = (opj_bool (*) (void * p_codec,
+ OPJ_UINT32 res_factor,
+ struct opj_event_mgr * p_manager)) j2k_set_decoded_resolution_factor;
+
+ l_info->m_codec = j2k_create_decompress_v2();
+
+ if (! l_info->m_codec) {
+ opj_free(l_info);
+ return NULL;
+ }
+
+ break;
+
+ case CODEC_JP2:
+ /* get a JP2 decoder handle */
+ l_info->opj_dump_codec = (void (*) (void*, OPJ_INT32, FILE*)) jp2_dump;
+
+ l_info->opj_get_codec_info = (opj_codestream_info_v2_t* (*) (void*) ) jp2_get_cstr_info;
+
+ l_info->opj_get_codec_index = (opj_codestream_index_t* (*) (void*) ) jp2_get_cstr_index;
+
+ l_info->m_codec_data.m_decompression.opj_decode =
+ (opj_bool (*) ( void *,
+ struct opj_stream_private *,
+ opj_image_t*,
+ struct opj_event_mgr * )) jp2_decode_v2;
+
+ l_info->m_codec_data.m_decompression.opj_end_decompress = (opj_bool (*) (void *,struct opj_stream_private *,struct opj_event_mgr *)) jp2_end_decompress;
+
+ l_info->m_codec_data.m_decompression.opj_read_header = (opj_bool (*) (
+ struct opj_stream_private *,
+ void *,
+ opj_image_t **,
+ struct opj_event_mgr * )) jp2_read_header;
+
+ l_info->m_codec_data.m_decompression.opj_read_tile_header = ( opj_bool (*) (
+ void *,
+ OPJ_UINT32*,
+ OPJ_UINT32*,
+ OPJ_INT32*,
+ OPJ_INT32*,
+ OPJ_INT32 * ,
+ OPJ_INT32 * ,
+ OPJ_UINT32 * ,
+ opj_bool *,
+ struct opj_stream_private *,
+ struct opj_event_mgr * )) jp2_read_tile_header;
+
+ l_info->m_codec_data.m_decompression.opj_decode_tile_data = (opj_bool (*) (void *,OPJ_UINT32,OPJ_BYTE*,OPJ_UINT32,struct opj_stream_private *, struct opj_event_mgr * )) jp2_decode_tile;
+
+ l_info->m_codec_data.m_decompression.opj_destroy = (void (*) (void *))jp2_destroy;
+
+ l_info->m_codec_data.m_decompression.opj_setup_decoder = (void (*) (void * ,opj_dparameters_t * )) jp2_setup_decoder_v2;
+
+ l_info->m_codec_data.m_decompression.opj_set_decode_area = (opj_bool (*) (void *,opj_image_t*, OPJ_INT32,OPJ_INT32,OPJ_INT32,OPJ_INT32, struct opj_event_mgr * )) jp2_set_decode_area;
+
+ l_info->m_codec_data.m_decompression.opj_get_decoded_tile = (opj_bool (*) ( void *p_codec,
+ opj_stream_private_t *p_cio,
+ opj_image_t *p_image,
+ struct opj_event_mgr * p_manager,
+ OPJ_UINT32 tile_index)) jp2_get_tile;
+
+ l_info->m_codec_data.m_decompression.opj_set_decoded_resolution_factor = (opj_bool (*) (void * p_codec,
+ OPJ_UINT32 res_factor,
+ opj_event_mgr_t * p_manager)) jp2_set_decoded_resolution_factor;
+
+ l_info->m_codec = jp2_create(OPJ_TRUE);
+
+ if (! l_info->m_codec) {
+ opj_free(l_info);
+ return 00;
+ }
+
+ break;
+ case CODEC_UNKNOWN:
+ case CODEC_JPT:
+ default:
+ opj_free(l_info);
+ return 00;
+ }
+
+ return (opj_codec_t*) l_info;
+}
+
+/* DEPRECATED */
void OPJ_CALLCONV opj_destroy_decompress(opj_dinfo_t *dinfo) {
if(dinfo) {
/* destroy the codec */
parameters->cod_format = -1;
/* UniPG>> */
#ifdef USE_JPWL
- parameters->jpwl_correct = false;
+ parameters->jpwl_correct = OPJ_FALSE;
parameters->jpwl_exp_comps = JPWL_EXPECTED_COMPONENTS;
parameters->jpwl_max_tiles = JPWL_MAXIMUM_TILES;
#endif /* USE_JPWL */
}
}
+/* DEPRECATED */
void OPJ_CALLCONV opj_setup_decoder(opj_dinfo_t *dinfo, opj_dparameters_t *parameters) {
if(dinfo && parameters) {
switch(dinfo->codec_format) {
}
}
+opj_bool OPJ_CALLCONV opj_setup_decoder_v2(opj_codec_t *p_info, opj_dparameters_t *parameters, opj_event_mgr_t* event_mgr)
+{
+ opj_codec_private_t * l_info = (opj_codec_private_t *) p_info;
+
+ if ( !p_info || !parameters || !event_mgr ){
+ fprintf(stderr, "[ERROR] Input parameters of the setup_decoder function are incorrect.\n");
+ return OPJ_FALSE;
+ }
+
+ if ( !event_mgr->error_handler || !event_mgr->warning_handler || !event_mgr->error_handler){
+ fprintf(stderr, "[ERROR] Event handler provided to the setup_decoder function is not valid.\n");
+ return OPJ_FALSE;
+ }
+
+ if (! l_info->is_decompressor) {
+ opj_event_msg_v2(event_mgr, EVT_ERROR, "Codec provided to the setup_decoder function is not a decompressor handler.\n");
+ return OPJ_FALSE;
+ }
+
+ l_info->m_codec_data.m_decompression.opj_setup_decoder(l_info->m_codec, parameters);
+
+ l_info->m_event_mgr = event_mgr;
+
+ return OPJ_TRUE;
+}
+
+/* DEPRECATED */
opj_image_t* OPJ_CALLCONV opj_decode(opj_dinfo_t *dinfo, opj_cio_t *cio) {
+ return opj_decode_with_info(dinfo, cio, NULL);
+}
+
+/* DEPRECATED */
+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);
+ 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);
+ 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);
+ return opj_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_malloc(sizeof(opj_cinfo_t));
+ opj_cinfo_t *cinfo = (opj_cinfo_t*)opj_calloc(1, sizeof(opj_cinfo_t));
if(!cinfo) return NULL;
- cinfo->is_decompressor = false;
+ cinfo->is_decompressor = OPJ_FALSE;
switch(format) {
case CODEC_J2K:
/* get a J2K coder handle */
parameters->tp_on = 0;
parameters->decod_format = -1;
parameters->cod_format = -1;
+ parameters->tcp_rates[0] = 0;
+ parameters->tcp_numlayers = 0;
+ parameters->cp_disto_alloc = 0;
+ parameters->cp_fixed_alloc = 0;
+ parameters->cp_fixed_quality = 0;
+ parameters->jpip_on = OPJ_FALSE;
/* UniPG>> */
#ifdef USE_JPWL
- parameters->jpwl_epc_on = false;
+ parameters->jpwl_epc_on = OPJ_FALSE;
parameters->jpwl_hprot_MH = -1; /* -1 means unassigned */
{
int i;
}
}
+/**
+ * Helper function.
+ * Sets the stream to be a file stream. The FILE must have been open previously.
+ * @param p_stream the stream to modify
+ * @param p_file handler to an already open file.
+*/
+opj_stream_t* OPJ_CALLCONV opj_stream_create_default_file_stream (FILE * p_file, opj_bool p_is_read_stream)
+{
+ return opj_stream_create_file_stream(p_file,J2K_STREAM_CHUNK_SIZE,p_is_read_stream);
+}
+
+opj_stream_t* OPJ_CALLCONV opj_stream_create_file_stream (FILE * p_file, OPJ_SIZE_T p_size, opj_bool p_is_read_stream)
+{
+ opj_stream_t* l_stream = 00;
+
+ if (! p_file) {
+ return NULL;
+ }
+
+ l_stream = opj_stream_create(p_size,p_is_read_stream);
+ if (! l_stream) {
+ return NULL;
+ }
+
+ opj_stream_set_user_data(l_stream, p_file);
+ opj_stream_set_user_data_length(l_stream, opj_get_data_length_from_file(p_file));
+ opj_stream_set_read_function(l_stream, (opj_stream_read_fn) opj_read_from_file);
+ opj_stream_set_write_function(l_stream, (opj_stream_write_fn) opj_write_from_file);
+ opj_stream_set_skip_function(l_stream, (opj_stream_skip_fn) opj_skip_from_file);
+ opj_stream_set_seek_function(l_stream, (opj_stream_seek_fn) opj_seek_from_file);
+
+ return l_stream;
+}
+
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) {
}
}
-bool OPJ_CALLCONV opj_encode(opj_cinfo_t *cinfo, opj_cio_t *cio, opj_image_t *image, char *index) {
+opj_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);
+}
+
+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) {
if(cinfo && cio && image) {
switch(cinfo->codec_format) {
case CODEC_J2K:
- return j2k_encode((opj_j2k_t*)cinfo->j2k_handle, cio, image, index);
+ 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, index);
+ return opj_jp2_encode((opj_jp2_t*)cinfo->jp2_handle, cio, image, cstr_info);
case CODEC_JPT:
case CODEC_UNKNOWN:
default:
break;
}
}
+ return OPJ_FALSE;
+}
- 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(tile_info->marker);
+ }
+ opj_free(cstr_info->tile);
+ opj_free(cstr_info->marker);
+ opj_free(cstr_info->numdecompos);
+ }
}
+opj_bool OPJ_CALLCONV opj_read_header ( opj_stream_t *p_cio,
+ opj_codec_t *p_codec,
+ opj_image_t **p_image )
+{
+ if (p_codec && p_cio) {
+ opj_codec_private_t* l_info = (opj_codec_private_t*) p_codec;
+ opj_stream_private_t* l_cio = (opj_stream_private_t*) p_cio;
+
+ if(! l_info->is_decompressor) {
+ opj_event_msg_v2(l_info->m_event_mgr, EVT_ERROR, "Codec provided to the read_header function is not a decompressor handler.\n");
+ return OPJ_FALSE;
+ }
+
+ return l_info->m_codec_data.m_decompression.opj_read_header(
+ l_cio,
+ l_info->m_codec,
+ p_image,
+ l_info->m_event_mgr);
+ }
+
+ fprintf(stderr, "[ERROR] Input parameters of the read_header function are incorrect.\n");
+ return OPJ_FALSE;
+}
+
+
+void OPJ_CALLCONV opj_destroy_codec(opj_codec_t *p_info)
+{
+ if (p_info) {
+ opj_codec_private_t * l_info = (opj_codec_private_t *) p_info;
+
+ if (l_info->is_decompressor) {
+ l_info->m_codec_data.m_decompression.opj_destroy(l_info->m_codec);
+ }
+ else {
+ l_info->m_codec_data.m_compression.opj_destroy(l_info->m_codec);
+ }
+
+ l_info->m_codec = 00;
+ opj_free(l_info);
+ }
+}
+
+/**
+ * Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading.
+ *
+ * @param p_codec the jpeg2000 codec.
+ * @param p_start_x the left position of the rectangle to decode (in image coordinates).
+ * @param p_end_x the right position of the rectangle to decode (in image coordinates).
+ * @param p_start_y the up position of the rectangle to decode (in image coordinates).
+ * @param p_end_y the bottom position of the rectangle to decode (in image coordinates).
+ *
+ * @return true if the area could be set.
+ */
+opj_bool OPJ_CALLCONV opj_set_decode_area( opj_codec_t *p_codec,
+ opj_image_t* p_image,
+ OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
+ OPJ_INT32 p_end_x, OPJ_INT32 p_end_y
+ )
+{
+ if (p_codec) {
+ opj_codec_private_t * l_info = (opj_codec_private_t *) p_codec;
+ if (! l_info->is_decompressor) {
+ return OPJ_FALSE;
+ }
+
+ return l_info->m_codec_data.m_decompression.opj_set_decode_area( l_info->m_codec,
+ p_image,
+ p_start_x, p_start_y,
+ p_end_x, p_end_y,
+ l_info->m_event_mgr);
+
+ }
+ return OPJ_FALSE;
+}
+
+/**
+ * Reads a tile header. This function is compulsory and allows one to know the size of the tile thta will be decoded.
+ * The user may need to refer to the image got by opj_read_header to understand the size being taken by the tile.
+ *
+ * @param p_codec the jpeg2000 codec.
+ * @param p_tile_index pointer to a value that will hold the index of the tile being decoded, in case of success.
+ * @param p_data_size pointer to a value that will hold the maximum size of the decoded data, in case of success. In case
+ * of truncated codestreams, the actual number of bytes decoded may be lower. The computation of the size is the same
+ * as depicted in opj_write_tile.
+ * @param p_tile_x0 pointer to a value that will hold the x0 pos of the tile (in the image).
+ * @param p_tile_y0 pointer to a value that will hold the y0 pos of the tile (in the image).
+ * @param p_tile_x1 pointer to a value that will hold the x1 pos of the tile (in the image).
+ * @param p_tile_y1 pointer to a value that will hold the y1 pos of the tile (in the image).
+ * @param p_nb_comps pointer to a value that will hold the number of components in the tile.
+ * @param p_should_go_on pointer to a boolean that will hold the fact that the decoding should go on. In case the
+ * codestream is over at the time of the call, the value will be set to false. The user should then stop
+ * the decoding.
+ * @param p_stream the stream to decode.
+ * @return true if the tile header could be decoded. In case the decoding should end, the returned value is still true.
+ * returning false may be the result of a shortage of memory or an internal error.
+ */
+opj_bool OPJ_CALLCONV opj_read_tile_header(
+ opj_codec_t *p_codec,
+ opj_stream_t * p_stream,
+ OPJ_UINT32 * p_tile_index,
+ OPJ_UINT32 * p_data_size,
+ OPJ_INT32 * p_tile_x0, OPJ_INT32 * p_tile_y0,
+ OPJ_INT32 * p_tile_x1, OPJ_INT32 * p_tile_y1,
+ OPJ_UINT32 * p_nb_comps,
+ opj_bool * p_should_go_on)
+{
+ if (p_codec && p_stream && p_data_size && p_tile_index) {
+ opj_codec_private_t * l_info = (opj_codec_private_t *) p_codec;
+ opj_stream_private_t * l_cio = (opj_stream_private_t *) p_stream;
+
+ if (! l_info->is_decompressor) {
+ return OPJ_FALSE;
+ }
+
+ return l_info->m_codec_data.m_decompression.opj_read_tile_header(
+ l_info->m_codec,
+ p_tile_index,
+ p_data_size,
+ p_tile_x0, p_tile_y0,
+ p_tile_x1, p_tile_y1,
+ p_nb_comps,
+ p_should_go_on,
+ l_cio,
+ l_info->m_event_mgr);
+ }
+ return OPJ_FALSE;
+}
+
+/**
+ * Reads a tile data. This function is compulsory and allows one to decode tile data. opj_read_tile_header should be called before.
+ * The user may need to refer to the image got by opj_read_header to understand the size being taken by the tile.
+ *
+ * @param p_codec the jpeg2000 codec.
+ * @param p_tile_index the index of the tile being decoded, this should be the value set by opj_read_tile_header.
+ * @param p_data pointer to a memory block that will hold the decoded data.
+ * @param p_data_size size of p_data. p_data_size should be bigger or equal to the value set by opj_read_tile_header.
+ * @param p_stream the stream to decode.
+ *
+ * @return true if the data could be decoded.
+ */
+opj_bool OPJ_CALLCONV opj_decode_tile_data(
+ opj_codec_t *p_codec,
+ OPJ_UINT32 p_tile_index,
+ OPJ_BYTE * p_data,
+ OPJ_UINT32 p_data_size,
+ opj_stream_t *p_stream
+ )
+{
+ if (p_codec && p_data && p_stream) {
+ opj_codec_private_t * l_info = (opj_codec_private_t *) p_codec;
+ opj_stream_private_t * l_cio = (opj_stream_private_t *) p_stream;
+
+ if (! l_info->is_decompressor) {
+ return OPJ_FALSE;
+ }
+
+ return l_info->m_codec_data.m_decompression.opj_decode_tile_data( l_info->m_codec,
+ p_tile_index,
+ p_data,
+ p_data_size,
+ l_cio,
+ l_info->m_event_mgr);
+ }
+ return OPJ_FALSE;
+}
+
+/*
+ *
+ *
+ */
+void OPJ_CALLCONV opj_dump_codec( opj_codec_t *p_codec,
+ OPJ_INT32 info_flag,
+ FILE* output_stream)
+{
+ if (p_codec) {
+ opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
+
+ l_codec->opj_dump_codec(l_codec->m_codec, info_flag, output_stream);
+ return;
+ }
+
+ fprintf(stderr, "[ERROR] Input parameter of the dump_codec function are incorrect.\n");
+ return;
+}
+
+/*
+ *
+ *
+ */
+opj_codestream_info_v2_t* OPJ_CALLCONV opj_get_cstr_info(opj_codec_t *p_codec)
+{
+ if (p_codec) {
+ opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
+
+ return l_codec->opj_get_codec_info(l_codec->m_codec);
+ }
+
+ return NULL;
+}
+
+/*
+ *
+ *
+ */
+void OPJ_CALLCONV opj_destroy_cstr_info_v2(opj_codestream_info_v2_t **cstr_info) {
+ if (cstr_info) {
+
+ if ((*cstr_info)->m_default_tile_info.tccp_info){
+ opj_free((*cstr_info)->m_default_tile_info.tccp_info);
+ }
+
+ if ((*cstr_info)->tile_info){
+ /* FIXME not used for the moment*/
+ }
+
+ opj_free((*cstr_info));
+ (*cstr_info) = NULL;
+ }
+}
+
+/*
+ *
+ *
+ */
+opj_codestream_index_t * OPJ_CALLCONV opj_get_cstr_index(opj_codec_t *p_codec)
+{
+ if (p_codec) {
+ opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
+
+ return l_codec->opj_get_codec_index(l_codec->m_codec);
+ }
+
+ return NULL;
+}
+
+/*
+ *
+ *
+ */
+void OPJ_CALLCONV opj_destroy_cstr_index(opj_codestream_index_t **p_cstr_index)
+{
+ if (*p_cstr_index){
+
+ j2k_destroy_cstr_index(*p_cstr_index);
+ (*p_cstr_index) = NULL;
+ }
+}
+
+
+opj_bool OPJ_CALLCONV opj_decode_v2(opj_codec_t *p_info,
+ opj_stream_t *cio,
+ opj_image_t* p_image)
+{
+ if (p_info && cio) {
+ opj_codec_private_t * l_info = (opj_codec_private_t *) p_info;
+ opj_stream_private_t * l_cio = (opj_stream_private_t *) cio;
+
+ if (! l_info->is_decompressor) {
+ return OPJ_FALSE;
+ }
+
+ return l_info->m_codec_data.m_decompression.opj_decode( l_info->m_codec,
+ l_cio,
+ p_image,
+ l_info->m_event_mgr);
+ }
+
+ return OPJ_FALSE;
+}
+
+/*
+ *
+ *
+ */
+opj_bool OPJ_CALLCONV opj_end_decompress (opj_codec_t *p_codec,opj_stream_t *p_cio)
+{
+ if (p_codec && p_cio) {
+ opj_codec_private_t * l_info = (opj_codec_private_t *) p_codec;
+ opj_stream_private_t * l_cio = (opj_stream_private_t *) p_cio;
+
+ if (! l_info->is_decompressor) {
+ return OPJ_FALSE;
+ }
+ return l_info->m_codec_data.m_decompression.opj_end_decompress( l_info->m_codec,
+ l_cio,
+ l_info->m_event_mgr);
+ }
+
+ return OPJ_FALSE;
+}
+
+/*
+ *
+ *
+ */
+opj_bool OPJ_CALLCONV opj_get_decoded_tile( opj_codec_t *p_codec,
+ opj_stream_t *p_cio,
+ opj_image_t *p_image,
+ OPJ_UINT32 tile_index)
+{
+ if (p_codec && p_cio) {
+ opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+ opj_stream_private_t * l_stream = (opj_stream_private_t *) p_cio;
+
+ if (! l_codec->is_decompressor) {
+ return OPJ_FALSE;
+ }
+ return l_codec->m_codec_data.m_decompression.opj_get_decoded_tile( l_codec->m_codec,
+ l_stream,
+ p_image,
+ l_codec->m_event_mgr,
+ tile_index);
+ }
+
+ return OPJ_FALSE;
+}
+
+/*
+ *
+ *
+ */
+opj_bool OPJ_CALLCONV opj_set_decoded_resolution_factor(opj_codec_t *p_codec, OPJ_UINT32 res_factor)
+{
+ opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
+
+ if ( !l_codec ){
+ fprintf(stderr, "[ERROR] Input parameters of the setup_decoder function are incorrect.\n");
+ return OPJ_FALSE;
+ }
+
+
+ l_codec->m_codec_data.m_decompression.opj_set_decoded_resolution_factor(l_codec->m_codec, res_factor, l_codec->m_event_mgr);
+
+ return OPJ_TRUE;
+}