/src/freeimage-svn/FreeImage/trunk/Source/LibOpenJPEG/openjpeg.c

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/*
 * Copyright (c) 2005, Herve Drolon, FreeImage Team
 * Copyright (c) 2008;2011-2012, Centre National d'Etudes Spatiales (CNES), France 
 * Copyright (c) 2012, CS Systemes d'Information, France
 * 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"


/* ---------------------------------------------------------------------- */
/* Functions to set the message handlers */

OPJ_BOOL OPJ_CALLCONV opj_set_info_handler( opj_codec_t * p_codec, 
                      opj_msg_callback p_callback,
                      void * p_user_data)
{
  opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
  if(! l_codec){
    return OPJ_FALSE;
  }
  
  l_codec->m_event_mgr.info_handler = p_callback;
  l_codec->m_event_mgr.m_info_data = p_user_data;
  
  return OPJ_TRUE;
}

OPJ_BOOL OPJ_CALLCONV opj_set_warning_handler(  opj_codec_t * p_codec, 
                        opj_msg_callback p_callback,
                        void * p_user_data)
{
  opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
  if (! l_codec) {
    return OPJ_FALSE;
  }
  
  l_codec->m_event_mgr.warning_handler = p_callback;
  l_codec->m_event_mgr.m_warning_data = p_user_data;
  
  return OPJ_TRUE;
}

OPJ_BOOL OPJ_CALLCONV opj_set_error_handler(opj_codec_t * p_codec, 
                      opj_msg_callback p_callback,
                      void * p_user_data)
{
  opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
  if (! l_codec) {
    return OPJ_FALSE;
  }
  
  l_codec->m_event_mgr.error_handler = p_callback;
  l_codec->m_event_mgr.m_error_data = p_user_data;
  
  return OPJ_TRUE;
}

/* ---------------------------------------------------------------------- */

static 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 : (OPJ_SIZE_T)-1;
}

static 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_OFF_T)OPJ_FTELL(p_file);
  OPJ_FSEEK(p_file, 0, SEEK_SET);

  return (OPJ_UINT64)file_length;
}

static 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);
}

static 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;
}

static 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 OPJ_FALSE;
  }

  return OPJ_TRUE;
}

/* ---------------------------------------------------------------------- */
#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;
    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 OPJ_PACKAGE_VERSION;
}

/* ---------------------------------------------------------------------- */
/* DECOMPRESSION FUNCTIONS*/

opj_codec_t* OPJ_CALLCONV opj_create_decompress(OPJ_CODEC_FORMAT p_format)
{
  opj_codec_private_t *l_codec = 00;

  l_codec = (opj_codec_private_t*) opj_calloc(1, sizeof(opj_codec_private_t));
  if (!l_codec){
    return 00;
  }
  memset(l_codec, 0, sizeof(opj_codec_private_t));

  l_codec->is_decompressor = 1;

  switch (p_format) {
    case OPJ_CODEC_J2K:
      l_codec->opj_dump_codec = (void (*) (void*, OPJ_INT32, FILE*)) j2k_dump;

      l_codec->opj_get_codec_info = (opj_codestream_info_v2_t* (*) (void*) ) j2k_get_cstr_info;

      l_codec->opj_get_codec_index = (opj_codestream_index_t* (*) (void*) ) j2k_get_cstr_index;

      l_codec->m_codec_data.m_decompression.opj_decode =
          (OPJ_BOOL (*) ( void *,
                  struct opj_stream_private *,
                  opj_image_t*, struct opj_event_mgr * )) opj_j2k_decode;

      l_codec->m_codec_data.m_decompression.opj_end_decompress =
          (OPJ_BOOL (*) ( void *,
                  struct opj_stream_private *,
                  struct opj_event_mgr *)) opj_j2k_end_decompress;

      l_codec->m_codec_data.m_decompression.opj_read_header =
          (OPJ_BOOL (*) ( struct opj_stream_private *,
                  void *,
                  opj_image_t **,
                  struct opj_event_mgr * )) opj_j2k_read_header;

      l_codec->m_codec_data.m_decompression.opj_destroy =
          (void (*) (void *))opj_j2k_destroy;

      l_codec->m_codec_data.m_decompression.opj_setup_decoder =
          (void (*) (void * , opj_dparameters_t * )) opj_j2k_setup_decoder;

      l_codec->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 * )) opj_j2k_read_tile_header;

      l_codec->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 *)) opj_j2k_decode_tile;

      l_codec->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 *)) opj_j2k_set_decode_area;

      l_codec->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)) opj_j2k_get_tile;

      l_codec->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)) opj_j2k_set_decoded_resolution_factor;

      l_codec->m_codec = opj_j2k_create_decompress();

      if (! l_codec->m_codec) {
        opj_free(l_codec);
        return NULL;
      }

      break;

    case OPJ_CODEC_JP2:
      /* get a JP2 decoder handle */
      l_codec->opj_dump_codec = (void (*) (void*, OPJ_INT32, FILE*)) jp2_dump;

      l_codec->opj_get_codec_info = (opj_codestream_info_v2_t* (*) (void*) ) jp2_get_cstr_info;

      l_codec->opj_get_codec_index = (opj_codestream_index_t* (*) (void*) ) jp2_get_cstr_index;

      l_codec->m_codec_data.m_decompression.opj_decode =
          (OPJ_BOOL (*) ( void *,
                  struct opj_stream_private *,
                  opj_image_t*,
                  struct opj_event_mgr * )) opj_jp2_decode;

      l_codec->m_codec_data.m_decompression.opj_end_decompress =  
                    (OPJ_BOOL (*) ( void *,
                                    struct opj_stream_private *,
                                    struct opj_event_mgr *)) opj_jp2_end_decompress;

      l_codec->m_codec_data.m_decompression.opj_read_header =  
                    (OPJ_BOOL (*) ( struct opj_stream_private *,
                          void *,
                          opj_image_t **,
                          struct opj_event_mgr * )) opj_jp2_read_header;

      l_codec->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 * )) opj_jp2_read_tile_header;

      l_codec->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 * )) opj_jp2_decode_tile;

      l_codec->m_codec_data.m_decompression.opj_destroy = (void (*) (void *))opj_jp2_destroy;

      l_codec->m_codec_data.m_decompression.opj_setup_decoder = 
                    (void (*) (void * ,opj_dparameters_t * )) opj_jp2_setup_decoder;

      l_codec->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 * )) opj_jp2_set_decode_area;

      l_codec->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)) opj_jp2_get_tile;

      l_codec->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)) opj_jp2_set_decoded_resolution_factor;

      l_codec->m_codec = opj_jp2_create(OPJ_TRUE);

      if (! l_codec->m_codec) {
        opj_free(l_codec);
        return 00;
      }

      break;
    case OPJ_CODEC_UNKNOWN:
    case OPJ_CODEC_JPT:
    default:
      opj_free(l_codec);
      return 00;
  }

  opj_set_default_event_handler(&(l_codec->m_event_mgr));
  return (opj_codec_t*) l_codec;
}

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->decod_format = -1;
    parameters->cod_format = -1;
    parameters->flags = 0;    
/* UniPG>> */
#ifdef USE_JPWL
    parameters->jpwl_correct = OPJ_FALSE;
    parameters->jpwl_exp_comps = JPWL_EXPECTED_COMPONENTS;
    parameters->jpwl_max_tiles = JPWL_MAXIMUM_TILES;
#endif /* USE_JPWL */
/* <<UniPG */
  }
}

OPJ_BOOL OPJ_CALLCONV opj_setup_decoder(opj_codec_t *p_codec,
                                        opj_dparameters_t *parameters 
                    )
{
  if (p_codec && parameters) { 
    opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;

    if (! l_codec->is_decompressor) {
      opj_event_msg(&(l_codec->m_event_mgr), EVT_ERROR, 
                "Codec provided to the opj_setup_decoder function is not a decompressor handler.\n");
      return OPJ_FALSE;
    }

    l_codec->m_codec_data.m_decompression.opj_setup_decoder(l_codec->m_codec,
                                parameters);
    return OPJ_TRUE;
  }
  return OPJ_FALSE;
}

OPJ_BOOL OPJ_CALLCONV opj_read_header ( opj_stream_t *p_stream,
                    opj_codec_t *p_codec,
                    opj_image_t **p_image )
{
  if (p_codec && p_stream) {
    opj_codec_private_t* l_codec = (opj_codec_private_t*) p_codec;
    opj_stream_private_t* l_stream = (opj_stream_private_t*) p_stream;

    if(! l_codec->is_decompressor) {
      opj_event_msg(&(l_codec->m_event_mgr), EVT_ERROR, 
                "Codec provided to the opj_read_header function is not a decompressor handler.\n");
      return OPJ_FALSE;
    }

    return l_codec->m_codec_data.m_decompression.opj_read_header( l_stream,
                                    l_codec->m_codec,
                                    p_image,
                                    &(l_codec->m_event_mgr) );
  }

  return OPJ_FALSE;
}

OPJ_BOOL OPJ_CALLCONV opj_decode(   opj_codec_t *p_codec,
                                    opj_stream_t *p_stream,
                                    opj_image_t* p_image)
{
  if (p_codec && p_stream) {
    opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
    opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;

    if (! l_codec->is_decompressor) {
      return OPJ_FALSE;
    }

    return l_codec->m_codec_data.m_decompression.opj_decode(l_codec->m_codec,
                                l_stream,
                                p_image,
                                &(l_codec->m_event_mgr) );
  }

  return OPJ_FALSE;
}

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_codec = (opj_codec_private_t *) p_codec;
    
    if (! l_codec->is_decompressor) {
      return OPJ_FALSE;
    }

    return  l_codec->m_codec_data.m_decompression.opj_set_decode_area(  l_codec->m_codec,
                                      p_image,
                                      p_start_x, p_start_y,
                                      p_end_x, p_end_y,
                                      &(l_codec->m_event_mgr) );
  }
  return OPJ_FALSE;
}

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_codec = (opj_codec_private_t *) p_codec;
    opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;

    if (! l_codec->is_decompressor) {
      return OPJ_FALSE;
    }

    return l_codec->m_codec_data.m_decompression.opj_read_tile_header(  l_codec->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_stream,
                                      &(l_codec->m_event_mgr));
  }
  return OPJ_FALSE;
}

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_codec = (opj_codec_private_t *) p_codec;
    opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;

    if (! l_codec->is_decompressor) {
      return OPJ_FALSE;
    }

    return l_codec->m_codec_data.m_decompression.opj_decode_tile_data(  l_codec->m_codec,
                                      p_tile_index,
                                      p_data,
                                      p_data_size,
                                      l_stream,
                                      &(l_codec->m_event_mgr) );
  }
  return OPJ_FALSE;
}

OPJ_BOOL OPJ_CALLCONV opj_get_decoded_tile( opj_codec_t *p_codec,
                      opj_stream_t *p_stream,
                      opj_image_t *p_image,
                      OPJ_UINT32 tile_index)
{
  if (p_codec && p_stream) {
    opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
    opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;

    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;
}

/* ---------------------------------------------------------------------- */
/* COMPRESSION FUNCTIONS*/

opj_codec_t* OPJ_CALLCONV opj_create_compress(OPJ_CODEC_FORMAT p_format)
{
  opj_codec_private_t *l_codec = 00;

  l_codec = (opj_codec_private_t*)opj_calloc(1, sizeof(opj_codec_private_t));
  if (!l_codec) {
    return 00;
  }
  memset(l_codec, 0, sizeof(opj_codec_private_t));
  
  l_codec->is_decompressor = 0;

  switch(p_format) {
    case OPJ_CODEC_J2K:
      l_codec->m_codec_data.m_compression.opj_encode = (OPJ_BOOL (*) (void *,
                                      struct opj_stream_private *,
                                      struct opj_event_mgr * )) opj_j2k_encode;

      l_codec->m_codec_data.m_compression.opj_end_compress = (OPJ_BOOL (*) (  void *,
                                          struct opj_stream_private *,
                                          struct opj_event_mgr *)) opj_j2k_end_compress;

      l_codec->m_codec_data.m_compression.opj_start_compress = (OPJ_BOOL (*) (void *,
                                          struct opj_stream_private *,
                                          struct opj_image * ,
                                          struct opj_event_mgr *)) opj_j2k_start_compress;

      l_codec->m_codec_data.m_compression.opj_write_tile = (OPJ_BOOL (*) (void *,
                                        OPJ_UINT32,
                                        OPJ_BYTE*,
                                        OPJ_UINT32,
                                        struct opj_stream_private *,
                                        struct opj_event_mgr *) ) opj_j2k_write_tile;

      l_codec->m_codec_data.m_compression.opj_destroy = (void (*) (void *)) opj_j2k_destroy;

      l_codec->m_codec_data.m_compression.opj_setup_encoder = (void (*) ( void *,
                                        opj_cparameters_t *,
                                        struct opj_image *,
                                        struct opj_event_mgr * )) opj_j2k_setup_encoder;

      l_codec->m_codec = opj_j2k_create_compress();
      if (! l_codec->m_codec) {
        opj_free(l_codec);
        return 00;
      }

      break;

    case OPJ_CODEC_JP2:
      /* get a JP2 decoder handle */
      l_codec->m_codec_data.m_compression.opj_encode = (OPJ_BOOL (*) (void *,
                                      struct opj_stream_private *,
                                      struct opj_event_mgr * )) opj_jp2_encode;

      l_codec->m_codec_data.m_compression.opj_end_compress = (OPJ_BOOL (*) (  void *,
                                          struct opj_stream_private *,
                                          struct opj_event_mgr *)) opj_jp2_end_compress;

      l_codec->m_codec_data.m_compression.opj_start_compress = (OPJ_BOOL (*) (void *,
                                          struct opj_stream_private *,
                                          struct opj_image * ,
                                          struct opj_event_mgr *))  opj_jp2_start_compress;

      l_codec->m_codec_data.m_compression.opj_write_tile = (OPJ_BOOL (*) (void *,
                                        OPJ_UINT32,
                                        OPJ_BYTE*,
                                        OPJ_UINT32,
                                        struct opj_stream_private *,
                                        struct opj_event_mgr *)) opj_jp2_write_tile;

      l_codec->m_codec_data.m_compression.opj_destroy = (void (*) (void *)) opj_jp2_destroy;

      l_codec->m_codec_data.m_compression.opj_setup_encoder = (void (*) ( void *,
                                        opj_cparameters_t *,
                                        struct opj_image *,
                                        struct opj_event_mgr * )) opj_jp2_setup_encoder;

      l_codec->m_codec = opj_jp2_create(OPJ_FALSE);
      if (! l_codec->m_codec) {
        opj_free(l_codec);
        return 00;
      }

      break;

    case OPJ_CODEC_UNKNOWN:
    case OPJ_CODEC_JPT:
    default:
      opj_free(l_codec);
      return 00;
  }

  opj_set_default_event_handler(&(l_codec->m_event_mgr));
  return (opj_codec_t*) l_codec;
}

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 = OPJ_OFF; 
    parameters->max_comp_size = 0;
    parameters->numresolution = 6;
    parameters->cp_rsiz = OPJ_STD_RSIZ;
    parameters->cblockw_init = 64;
    parameters->cblockh_init = 64;
    parameters->prog_order = OPJ_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 = 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 = OPJ_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 */
  }
}

OPJ_BOOL OPJ_CALLCONV opj_setup_encoder(opj_codec_t *p_codec, 
                    opj_cparameters_t *parameters, 
                    opj_image_t *p_image)
{
  if (p_codec && parameters && p_image) {
    opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;

    if (! l_codec->is_decompressor) {
      l_codec->m_codec_data.m_compression.opj_setup_encoder(  l_codec->m_codec,
                                  parameters,
                                  p_image,
                                  &(l_codec->m_event_mgr) );
      return OPJ_TRUE;
    }
  }

  return OPJ_FALSE;
}

OPJ_BOOL OPJ_CALLCONV opj_start_compress (  opj_codec_t *p_codec,
                      opj_image_t * p_image,
                      opj_stream_t *p_stream)
{
  if (p_codec && p_stream) {
    opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
    opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;

    if (! l_codec->is_decompressor) {
      return l_codec->m_codec_data.m_compression.opj_start_compress(  l_codec->m_codec,
                                      l_stream,
                                      p_image,
                                      &(l_codec->m_event_mgr));
    }
  }

  return OPJ_FALSE;
}

OPJ_BOOL OPJ_CALLCONV opj_encode(opj_codec_t *p_info, opj_stream_t *p_stream)
{
  if (p_info && p_stream) {
    opj_codec_private_t * l_codec = (opj_codec_private_t *) p_info;
    opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;

    if (! l_codec->is_decompressor) {
      return l_codec->m_codec_data.m_compression.opj_encode(  l_codec->m_codec,
                              l_stream,
                              &(l_codec->m_event_mgr));
    }
  }

  return OPJ_FALSE;

}

OPJ_BOOL OPJ_CALLCONV opj_end_compress (opj_codec_t *p_codec,
                    opj_stream_t *p_stream)
{
  if (p_codec && p_stream) {
    opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
    opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;

    if (! l_codec->is_decompressor) {
      return l_codec->m_codec_data.m_compression.opj_end_compress(l_codec->m_codec,
                                    l_stream,
                                    &(l_codec->m_event_mgr));
    }
  }
  return OPJ_FALSE;

}

OPJ_BOOL OPJ_CALLCONV opj_end_decompress (  opj_codec_t *p_codec,
                      opj_stream_t *p_stream)
{
  if (p_codec && p_stream) {
    opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
    opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;

    if (! l_codec->is_decompressor) {
      return OPJ_FALSE;
    }
    
    return l_codec->m_codec_data.m_decompression.opj_end_decompress(l_codec->m_codec,
                                    l_stream,
                                    &(l_codec->m_event_mgr) );
  }

  return OPJ_FALSE;
}

OPJ_BOOL OPJ_CALLCONV opj_set_MCT(opj_cparameters_t *parameters,
                                  OPJ_FLOAT32 * pEncodingMatrix,
                                  OPJ_INT32 * p_dc_shift,OPJ_UINT32 pNbComp)
{
  OPJ_UINT32 l_matrix_size = pNbComp * pNbComp * (OPJ_UINT32)sizeof(OPJ_FLOAT32);
  OPJ_UINT32 l_dc_shift_size = pNbComp * (OPJ_UINT32)sizeof(OPJ_INT32);
  OPJ_UINT32 l_mct_total_size = l_matrix_size + l_dc_shift_size;

  /* add MCT capability */
  OPJ_INT32 rsiz = (OPJ_INT32)parameters->cp_rsiz | (OPJ_INT32)OPJ_MCT;
  parameters->cp_rsiz = (OPJ_RSIZ_CAPABILITIES)rsiz;
  parameters->irreversible = 1;

  /* use array based MCT */
  parameters->tcp_mct = 2;
  parameters->mct_data = opj_malloc(l_mct_total_size);
  if (! parameters->mct_data) {
    return OPJ_FALSE;
  }

  memcpy(parameters->mct_data,pEncodingMatrix,l_matrix_size);
  memcpy(((OPJ_BYTE *) parameters->mct_data) +  l_matrix_size,p_dc_shift,l_dc_shift_size);

  return OPJ_TRUE;
}

OPJ_BOOL OPJ_CALLCONV opj_write_tile (  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_stream && p_data) {
    opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;
    opj_stream_private_t * l_stream = (opj_stream_private_t *) p_stream;

    if (l_codec->is_decompressor) {
      return OPJ_FALSE;
    }

    return l_codec->m_codec_data.m_compression.opj_write_tile(  l_codec->m_codec,
                                  p_tile_index,
                                  p_data,
                                  p_data_size,
                                  l_stream,
                                  &(l_codec->m_event_mgr) );
  }

  return OPJ_FALSE;
}

/* ---------------------------------------------------------------------- */

void OPJ_CALLCONV opj_destroy_codec(opj_codec_t *p_codec)
{
  if (p_codec) {
    opj_codec_private_t * l_codec = (opj_codec_private_t *) p_codec;

    if (l_codec->is_decompressor) {
      l_codec->m_codec_data.m_decompression.opj_destroy(l_codec->m_codec);
    }
    else {
      l_codec->m_codec_data.m_compression.opj_destroy(l_codec->m_codec);
    }

    l_codec->m_codec = 00;
    opj_free(l_codec);
  }
}

/* ---------------------------------------------------------------------- */

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(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_stream_t* OPJ_CALLCONV opj_stream_create_default_file_stream_v3 (const char *fname, OPJ_BOOL p_is_read_stream)
{
    return opj_stream_create_file_stream_v3(fname, OPJ_J2K_STREAM_CHUNK_SIZE, p_is_read_stream);
}

opj_stream_t* OPJ_CALLCONV opj_stream_create_file_stream_v3 (
        const char *fname, 
    OPJ_SIZE_T p_size, 
        OPJ_BOOL p_is_read_stream)
{
    opj_stream_t* l_stream = 00;
    FILE *p_file;
    const char *mode;

    if (! fname) {
        return NULL;
    }
    
    if(p_is_read_stream) mode = "rb"; else mode = "wb";

    p_file = fopen(fname, mode);

    if (! p_file) {
      return NULL;
    }

    l_stream = opj_stream_create(p_size,p_is_read_stream);
    if (! l_stream) {
        fclose(p_file);
        return NULL;
    }

    opj_stream_set_user_data(l_stream, p_file, (opj_stream_free_user_data_fn) fclose);
    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;
}

Coverage Report

Created: 2023-12-08 06:53