opj_codec_t* OPJ_CALLCONV opj_create_compress(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 = 0;
switch
(p_format)
{
case CODEC_J2K:
l_info->m_codec_data.m_compression.opj_encode = (bool (*) (void *, struct opj_stream_private *, struct opj_event_mgr * )) j2k_encode;
l_info->m_codec_data.m_compression.opj_end_compress = (bool (*) (void *, struct opj_stream_private *, struct opj_event_mgr *)) j2k_end_compress;
l_info->m_codec_data.m_compression.opj_start_compress = (bool (*) (void *,struct opj_stream_private *,struct opj_image * , struct opj_event_mgr *)) j2k_start_compress;
l_info->m_codec_data.m_compression.opj_write_tile = (bool (*) (void *,OPJ_UINT32,OPJ_BYTE*,OPJ_UINT32,struct opj_stream_private *, struct opj_event_mgr *)) j2k_write_tile;
l_info->m_codec_data.m_compression.opj_destroy = (void (*) (void *)) j2k_destroy;
l_info->m_codec_data.m_compression.opj_setup_encoder = (void (*) (void *,opj_cparameters_t *,struct opj_image *, struct opj_event_mgr * )) j2k_setup_encoder;
l_info->m_codec = j2k_create_compress();
if
(! l_info->m_codec)
{
opj_free(l_info);
return 00;
}
break;
case CODEC_JP2:
/* get a JP2 decoder handle */
l_info->m_codec_data.m_compression.opj_encode = (bool (*) (void *, struct opj_stream_private *, struct opj_event_mgr * )) jp2_encode;
l_info->m_codec_data.m_compression.opj_end_compress = (bool (*) (void *, struct opj_stream_private *, struct opj_event_mgr *)) jp2_end_compress;
l_info->m_codec_data.m_compression.opj_start_compress = (bool (*) (void *,struct opj_stream_private *,struct opj_image * , struct opj_event_mgr *)) jp2_start_compress;
l_info->m_codec_data.m_compression.opj_write_tile = (bool (*) (void *,OPJ_UINT32,OPJ_BYTE*,OPJ_UINT32,struct opj_stream_private *, struct opj_event_mgr *)) jp2_write_tile;
l_info->m_codec_data.m_compression.opj_destroy = (void (*) (void *)) jp2_destroy;
l_info->m_codec_data.m_compression.opj_setup_encoder = (void (*) (void *,opj_cparameters_t *,struct opj_image *, struct opj_event_mgr * )) jp2_setup_encoder;
l_info->m_codec = jp2_create(false);
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;
}
set_default_event_handler(&(l_info->m_event_mgr));
return (opj_codec_t*) l_info;
}
opj_codec_t* OPJ_CALLCONV opj_create_decompress_v2(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 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 * )) j2k_decode_v2;
l_codec->m_codec_data.m_decompression.opj_end_decompress =
(opj_bool (*) ( void *,
struct opj_stream_private *,
struct opj_event_mgr *)) 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 * )) j2k_read_header;
l_codec->m_codec_data.m_decompression.opj_destroy =
(void (*) (void *))j2k_destroy;
l_codec->m_codec_data.m_decompression.opj_setup_decoder =
(void (*) (void * , opj_dparameters_t * )) j2k_setup_decoder_v2;
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 * )) 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 *)) 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 *)) 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)) 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)) j2k_set_decoded_resolution_factor;
l_codec->m_codec = j2k_create_decompress_v2();
if (! l_codec->m_codec) {
opj_free(l_codec);
return NULL;
}
break;
case 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 * )) jp2_decode_v2;
l_codec->m_codec_data.m_decompression.opj_end_decompress = (opj_bool (*) (void *,struct opj_stream_private *,struct opj_event_mgr *)) 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 * )) 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 * )) 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 * )) jp2_decode_tile;
l_codec->m_codec_data.m_decompression.opj_destroy = (void (*) (void *))jp2_destroy;
l_codec->m_codec_data.m_decompression.opj_setup_decoder = (void (*) (void * ,opj_dparameters_t * )) jp2_setup_decoder_v2;
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 * )) 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)) 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)) jp2_set_decoded_resolution_factor;
l_codec->m_codec = jp2_create(OPJ_TRUE);
if (! l_codec->m_codec) {
opj_free(l_codec);
return 00;
}
break;
case CODEC_UNKNOWN:
case CODEC_JPT:
default:
opj_free(l_codec);
return 00;
}
set_default_event_handler(&(l_codec->m_event_mgr));
return (opj_codec_t*) l_codec;
}