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[trunk] WIP: add get_decoded_tile functionality

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This commit is contained in:
Mickael Savinaud
2011-11-08 13:21:17 +00:00
parent 9110aa09a4
commit bd8bca87b2
9 changed files with 427 additions and 134 deletions
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49
libopenjpeg/openjpeg.c
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@@ -78,6 +78,13 @@ typedef struct opj_decompression
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);
}opj_decompression_t;
/**
@@ -286,6 +293,12 @@ opj_codec_t* OPJ_CALLCONV opj_create_decompress_v2(OPJ_CODEC_FORMAT p_format)
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 = j2k_create_decompress_v2();
if (! l_info->m_codec) {
@@ -338,6 +351,12 @@ opj_codec_t* OPJ_CALLCONV opj_create_decompress_v2(OPJ_CODEC_FORMAT p_format)
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 = jp2_create(OPJ_TRUE);
if (! l_info->m_codec) {
@@ -937,6 +956,10 @@ opj_bool OPJ_CALLCONV opj_decode_v2(opj_codec_t *p_info,
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) {
@@ -953,3 +976,29 @@ opj_bool OPJ_CALLCONV opj_end_decompress (opj_codec_t *p_codec,opj_stream_t *p_c
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;
}