int num_threads;
/* Quiet */
int quiet;
+ /** number of components to decode */
+ OPJ_UINT32 numcomps;
+ /** indices of components to decode */
+ OPJ_UINT32* comps_indices;
} opj_decompress_parameters;
/* -------------------------------------------------------------------------- */
" If 'C' is specified (default), values are clipped.\n"
" If 'S' is specified, values are scaled.\n"
" A 0 value can be specified (meaning original bit depth).\n");
+ fprintf(stdout, " -c first_comp_index[,second_comp_index][,...]\n"
+ " OPTIONAL\n"
+ " To limit the number of components to decoded.\n"
+ " Component indices are numbered starting at 0.\n");
fprintf(stdout, " -force-rgb\n"
" Force output image colorspace to RGB\n"
" -upsample\n"
{"quiet", NO_ARG, NULL, 1},
};
- const char optlist[] = "i:o:r:l:x:d:t:p:"
+ const char optlist[] = "i:o:r:l:x:d:t:p:c:"
/* UniPG>> */
#ifdef USE_JPWL
return 1;
}
}
+ break;
+
+ /* ----------------------------------------------------- */
+ case 'c': { /* Componenets */
+ const char* iter = opj_optarg;
+ while (1) {
+ parameters->numcomps ++;
+ parameters->comps_indices = (OPJ_UINT32*) realloc(
+ parameters->comps_indices,
+ parameters->numcomps * sizeof(OPJ_UINT32));
+ parameters->comps_indices[parameters->numcomps - 1] =
+ (OPJ_UINT32) atoi(iter);
+ iter = strchr(iter, ',');
+ if (iter == NULL) {
+ break;
+ }
+ iter ++;
+ }
+ }
break;
/* ----------------------------------------------------- */
free(parameters->precision);
parameters->precision = NULL;
}
+
+ free(parameters->comps_indices);
+ parameters->comps_indices = NULL;
}
}
goto fin;
}
+ if (parameters.numcomps) {
+ if (! opj_set_decoded_components(l_codec,
+ parameters.numcomps,
+ parameters.comps_indices)) {
+ fprintf(stderr,
+ "ERROR -> opj_decompress: failed to set the component indices!\n");
+ opj_destroy_codec(l_codec);
+ opj_stream_destroy(l_stream);
+ opj_image_destroy(image);
+ failed = 1;
+ goto fin;
+ }
+ }
+
if (getenv("USE_OPJ_SET_DECODED_RESOLUTION_FACTOR") != NULL) {
/* For debugging/testing purposes, and also an illustration on how to */
/* use the alternative API opj_set_decoded_resolution_factor() instead */
p_j2k->m_specific_param.m_decoder.m_header_data = 00;
p_j2k->m_specific_param.m_decoder.m_header_data_size = 0;
}
+
+ opj_free(p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode);
+ p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode = 00;
+ p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode = 0;
+
} else {
if (p_j2k->m_specific_param.m_encoder.m_encoded_tile_data) {
l_image_for_bounds->y0,
l_image_for_bounds->x1,
l_image_for_bounds->y1,
+ p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode,
+ p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode,
l_tcp->m_data,
l_tcp->m_data_size,
p_tile_index,
p_src_data = l_tilec->data_win;
}
+ if (p_src_data == NULL) {
+ /* Happens for partial component decoding */
+ continue;
+ }
+
l_width_src = (OPJ_UINT32)(res_x1 - res_x0);
l_height_src = (OPJ_UINT32)(res_y1 - res_y0);
return OPJ_TRUE;
}
+OPJ_BOOL opj_j2k_set_decoded_components(opj_j2k_t *p_j2k,
+ OPJ_UINT32 numcomps,
+ const OPJ_UINT32* comps_indices,
+ opj_event_mgr_t * p_manager)
+{
+ OPJ_UINT32 i;
+ OPJ_BOOL* already_mapped;
+
+ if (p_j2k->m_private_image == NULL) {
+ opj_event_msg(p_manager, EVT_ERROR,
+ "opj_read_header() should be called before "
+ "opj_set_decoded_components().\n");
+ return OPJ_FALSE;
+ }
+
+ already_mapped = (OPJ_BOOL*) opj_calloc(sizeof(OPJ_BOOL),
+ p_j2k->m_private_image->numcomps);
+ if (already_mapped == NULL) {
+ return OPJ_FALSE;
+ }
+
+ for (i = 0; i < numcomps; i++) {
+ if (comps_indices[i] >= p_j2k->m_private_image->numcomps) {
+ opj_event_msg(p_manager, EVT_ERROR,
+ "Invalid component index: %u\n",
+ comps_indices[i]);
+ opj_free(already_mapped);
+ return OPJ_FALSE;
+ }
+ if (already_mapped[comps_indices[i]]) {
+ opj_event_msg(p_manager, EVT_ERROR,
+ "Component index %u used several times\n",
+ comps_indices[i]);
+ opj_free(already_mapped);
+ return OPJ_FALSE;
+ }
+ already_mapped[comps_indices[i]] = OPJ_TRUE;
+ }
+ opj_free(already_mapped);
+
+ opj_free(p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode);
+ if (numcomps) {
+ p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode =
+ (OPJ_UINT32*) opj_malloc(numcomps * sizeof(OPJ_UINT32));
+ if (p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode == NULL) {
+ p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode = 0;
+ return OPJ_FALSE;
+ }
+ memcpy(p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode,
+ comps_indices,
+ numcomps * sizeof(OPJ_UINT32));
+ } else {
+ p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode = NULL;
+ }
+ p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode = numcomps;
+
+ return OPJ_TRUE;
+}
+
OPJ_BOOL opj_j2k_set_decode_area(opj_j2k_t *p_j2k,
opj_image_t* p_image,
return OPJ_TRUE;
}
+static OPJ_BOOL opj_j2k_move_data_from_codec_to_output_image(opj_j2k_t * p_j2k,
+ opj_image_t * p_image)
+{
+ OPJ_UINT32 compno;
+
+ /* Move data and copy one information from codec to output image*/
+ if (p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode > 0) {
+ opj_image_comp_t* newcomps =
+ (opj_image_comp_t*) opj_malloc(
+ p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode *
+ sizeof(opj_image_comp_t));
+ if (newcomps == NULL) {
+ opj_image_destroy(p_j2k->m_private_image);
+ p_j2k->m_private_image = NULL;
+ return OPJ_FALSE;
+ }
+ for (compno = 0; compno < p_image->numcomps; compno++) {
+ opj_image_data_free(p_image->comps[compno].data);
+ p_image->comps[compno].data = NULL;
+ }
+ for (compno = 0;
+ compno < p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode; compno++) {
+ OPJ_UINT32 src_compno =
+ p_j2k->m_specific_param.m_decoder.m_comps_indices_to_decode[compno];
+ memcpy(&(newcomps[compno]),
+ &(p_j2k->m_output_image->comps[src_compno]),
+ sizeof(opj_image_comp_t));
+ newcomps[compno].resno_decoded =
+ p_j2k->m_output_image->comps[src_compno].resno_decoded;
+ newcomps[compno].data = p_j2k->m_output_image->comps[src_compno].data;
+ p_j2k->m_output_image->comps[src_compno].data = NULL;
+ }
+ for (compno = 0; compno < p_image->numcomps; compno++) {
+ assert(p_j2k->m_output_image->comps[compno].data == NULL);
+ opj_image_data_free(p_j2k->m_output_image->comps[compno].data);
+ p_j2k->m_output_image->comps[compno].data = NULL;
+ }
+ p_image->numcomps = p_j2k->m_specific_param.m_decoder.m_numcomps_to_decode;
+ opj_free(p_image->comps);
+ p_image->comps = newcomps;
+ } else {
+ for (compno = 0; compno < p_image->numcomps; compno++) {
+ p_image->comps[compno].resno_decoded =
+ p_j2k->m_output_image->comps[compno].resno_decoded;
+ opj_image_data_free(p_image->comps[compno].data);
+ p_image->comps[compno].data = p_j2k->m_output_image->comps[compno].data;
+#if 0
+ char fn[256];
+ sprintf(fn, "/tmp/%d.raw", compno);
+ FILE *debug = fopen(fn, "wb");
+ fwrite(p_image->comps[compno].data, sizeof(OPJ_INT32),
+ p_image->comps[compno].w * p_image->comps[compno].h, debug);
+ fclose(debug);
+#endif
+ p_j2k->m_output_image->comps[compno].data = NULL;
+ }
+ }
+ return OPJ_TRUE;
+}
+
OPJ_BOOL opj_j2k_decode(opj_j2k_t * p_j2k,
opj_stream_private_t * p_stream,
opj_image_t * p_image,
opj_event_mgr_t * p_manager)
{
- OPJ_UINT32 compno;
-
if (!p_image) {
return OPJ_FALSE;
}
}
/* Move data and copy one information from codec to output image*/
- for (compno = 0; compno < p_image->numcomps; compno++) {
- p_image->comps[compno].resno_decoded =
- p_j2k->m_output_image->comps[compno].resno_decoded;
- opj_image_data_free(p_image->comps[compno].data);
- p_image->comps[compno].data = p_j2k->m_output_image->comps[compno].data;
-#if 0
- char fn[256];
- sprintf(fn, "/tmp/%d.raw", compno);
- FILE *debug = fopen(fn, "wb");
- fwrite(p_image->comps[compno].data, sizeof(OPJ_INT32),
- p_image->comps[compno].w * p_image->comps[compno].h, debug);
- fclose(debug);
-#endif
- p_j2k->m_output_image->comps[compno].data = NULL;
- }
-
- return OPJ_TRUE;
+ return opj_j2k_move_data_from_codec_to_output_image(p_j2k, p_image);
}
OPJ_BOOL opj_j2k_get_tile(opj_j2k_t *p_j2k,
}
/* Move data and copy one information from codec to output image*/
- for (compno = 0; compno < p_image->numcomps; compno++) {
- p_image->comps[compno].resno_decoded =
- p_j2k->m_output_image->comps[compno].resno_decoded;
-
- if (p_image->comps[compno].data) {
- opj_image_data_free(p_image->comps[compno].data);
- }
-
- p_image->comps[compno].data = p_j2k->m_output_image->comps[compno].data;
-
- p_j2k->m_output_image->comps[compno].data = NULL;
- }
-
- return OPJ_TRUE;
+ return opj_j2k_move_data_from_codec_to_output_image(p_j2k, p_image);
}
OPJ_BOOL opj_j2k_set_decoded_resolution_factor(opj_j2k_t *p_j2k,
* SOD reader function. FIXME NOT USED for the moment
*/
OPJ_BOOL m_last_tile_part;
+
+ OPJ_UINT32 m_numcomps_to_decode;
+ OPJ_UINT32 *m_comps_indices_to_decode;
+
/** to tell that a tile can be decoded. */
OPJ_BITFIELD m_can_decode : 1;
OPJ_BITFIELD m_discard_tiles : 1;
opj_event_mgr_t * p_manager);
+/** Sets the indices of the components to decode.
+ *
+ * @param p_j2k the jpeg2000 codec.
+ * @param numcomps Number of components to decode.
+ * @param comps_indices Array of num_compts indices (numbering starting at 0)
+ * corresponding to the components to decode.
+ * @param p_manager Event manager
+ *
+ * @return OPJ_TRUE in case of success.
+ */
+OPJ_BOOL opj_j2k_set_decoded_components(opj_j2k_t *p_j2k,
+ OPJ_UINT32 numcomps,
+ const OPJ_UINT32* comps_indices,
+ opj_event_mgr_t * p_manager);
+
/**
* Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading.
*
return OPJ_FALSE;
}
+ if (jp2->j2k->m_specific_param.m_decoder.m_numcomps_to_decode) {
+ /* Bypass all JP2 component transforms */
+ return OPJ_TRUE;
+ }
+
if (!jp2->ignore_pclr_cmap_cdef) {
if (!opj_jp2_check_color(p_image, &(jp2->color), p_manager)) {
return OPJ_FALSE;
}
}
+OPJ_BOOL opj_jp2_set_decoded_components(opj_jp2_t *p_jp2,
+ OPJ_UINT32 numcomps,
+ const OPJ_UINT32* comps_indices,
+ opj_event_mgr_t * p_manager)
+{
+ return opj_j2k_set_decoded_components(p_jp2->j2k,
+ numcomps, comps_indices,
+ p_manager);
+}
+
OPJ_BOOL opj_jp2_set_decode_area(opj_jp2_t *p_jp2,
opj_image_t* p_image,
OPJ_INT32 p_start_x, OPJ_INT32 p_start_y,
return OPJ_FALSE;
}
+ if (p_jp2->j2k->m_specific_param.m_decoder.m_numcomps_to_decode) {
+ /* Bypass all JP2 component transforms */
+ return OPJ_TRUE;
+ }
+
if (!opj_jp2_check_color(p_image, &(p_jp2->color), p_manager)) {
return OPJ_FALSE;
}
*/
void opj_jp2_setup_decoder(opj_jp2_t *jp2, opj_dparameters_t *parameters);
+/** Allocates worker threads for the compressor/decompressor.
+ *
+ * @param jp2 JP2 decompressor handle
+ * @param num_threads Number of threads.
+ * @return OPJ_TRUE in case of success.
+ */
OPJ_BOOL opj_jp2_set_threads(opj_jp2_t *jp2, OPJ_UINT32 num_threads);
/**
opj_image_t ** p_image,
opj_event_mgr_t * p_manager);
+/** Sets the indices of the components to decode.
+ *
+ * @param jp2 JP2 decompressor handle
+ * @param numcomps Number of components to decode.
+ * @param comps_indices Array of num_compts indices (numbering starting at 0)
+ * corresponding to the components to decode.
+ * @param p_manager Event manager;
+ *
+ * @return OPJ_TRUE in case of success.
+ */
+OPJ_BOOL opj_jp2_set_decoded_components(opj_jp2_t *jp2,
+ OPJ_UINT32 numcomps,
+ const OPJ_UINT32* comps_indices,
+ opj_event_mgr_t * p_manager);
+
/**
* Reads a tile header.
* @param p_jp2 the jpeg2000 codec.
OPJ_UINT32 res_factor,
struct opj_event_mgr * p_manager)) opj_j2k_set_decoded_resolution_factor;
+ l_codec->m_codec_data.m_decompression.opj_set_decoded_components =
+ (OPJ_BOOL(*)(void * p_codec,
+ OPJ_UINT32 numcomps,
+ const OPJ_UINT32 * comps_indices,
+ struct opj_event_mgr * p_manager)) opj_j2k_set_decoded_components;
+
l_codec->opj_set_threads =
(OPJ_BOOL(*)(void * p_codec, OPJ_UINT32 num_threads)) opj_j2k_set_threads;
OPJ_UINT32 res_factor,
opj_event_mgr_t * p_manager)) opj_jp2_set_decoded_resolution_factor;
+ l_codec->m_codec_data.m_decompression.opj_set_decoded_components =
+ (OPJ_BOOL(*)(void * p_codec,
+ OPJ_UINT32 numcomps,
+ const OPJ_UINT32 * comps_indices,
+ struct opj_event_mgr * p_manager)) opj_jp2_set_decoded_components;
+
l_codec->opj_set_threads =
(OPJ_BOOL(*)(void * p_codec, OPJ_UINT32 num_threads)) opj_jp2_set_threads;
return OPJ_FALSE;
}
+
+OPJ_BOOL OPJ_CALLCONV opj_set_decoded_components(opj_codec_t *p_codec,
+ OPJ_UINT32 numcomps,
+ const OPJ_UINT32* comps_indices)
+{
+ 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_decoded_components(
+ l_codec->m_codec,
+ numcomps,
+ comps_indices,
+ &(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)
opj_codec_t *p_codec,
opj_image_t **p_image);
+
+/** Restrict the number of components to decode.
+ *
+ * This function should be called after opj_read_header().
+ *
+ * Normally all the components are decoded. This call enables to restrict
+ * the set of decoded components to the specified indices.
+ * Note that neither the MCT transform nor JP2 channel transformatios will be applied.
+ *
+ * Note: opj_decode_tile_data() should not be used together with opj_set_decoded_components().
+ *
+ * @param p_codec the jpeg2000 codec to read.
+ * @param numcomps Size of the comps_indices array.
+ * @param comps_indices Array of numcomps values representing the indices
+ * of the components to decode (relative to the
+ * codestream, starting at 0)
+ *
+ * @return OPJ_TRUE in case of success.
+ */
+OPJ_API OPJ_BOOL OPJ_CALLCONV opj_set_decoded_components(opj_codec_t *p_codec,
+ OPJ_UINT32 numcomps,
+ const OPJ_UINT32* comps_indices);
+
/**
* Sets the given area to be decoded. This function should be called right after opj_read_header and before any tile header reading.
*
* 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.
*
+ * Note: opj_decode_tile_data() should not be used together with opj_set_decoded_components().
+ *
* @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.
OPJ_UINT32 res_factor,
opj_event_mgr_t * p_manager);
+ /** Set the decoded components */
+ OPJ_BOOL(*opj_set_decoded_components)(void * p_codec,
+ OPJ_UINT32 num_comps,
+ const OPJ_UINT32* comps_indices,
+ opj_event_mgr_t * p_manager);
} m_decompression;
/**
opj_free(tcd->tcd_image);
tcd->tcd_image = 00;
}
+
+ opj_free(tcd->used_component);
+
opj_free(tcd);
}
}
OPJ_UINT32 win_y0,
OPJ_UINT32 win_x1,
OPJ_UINT32 win_y1,
+ OPJ_UINT32 numcomps_to_decode,
+ const OPJ_UINT32 *comps_indices,
OPJ_BYTE *p_src,
OPJ_UINT32 p_max_length,
OPJ_UINT32 p_tile_no,
p_tcd->win_y1 = win_y1;
p_tcd->whole_tile_decoding = OPJ_TRUE;
+ opj_free(p_tcd->used_component);
+ p_tcd->used_component = NULL;
+
+ if (numcomps_to_decode) {
+ OPJ_BOOL* used_component = (OPJ_BOOL*) opj_calloc(sizeof(OPJ_BOOL),
+ p_tcd->image->numcomps);
+ if (used_component == NULL) {
+ return OPJ_FALSE;
+ }
+ for (compno = 0; compno < numcomps_to_decode; compno++) {
+ used_component[ comps_indices[compno] ] = OPJ_TRUE;
+ }
+
+ p_tcd->used_component = used_component;
+ }
+
for (compno = 0; compno < p_tcd->image->numcomps; compno++) {
+ if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
+ continue;
+ }
+
if (!opj_tcd_is_whole_tilecomp_decoding(p_tcd, compno)) {
p_tcd->whole_tile_decoding = OPJ_FALSE;
break;
OPJ_SIZE_T res_w = (OPJ_SIZE_T)(l_res->x1 - l_res->x0);
OPJ_SIZE_T res_h = (OPJ_SIZE_T)(l_res->y1 - l_res->y0);
+ if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
+ continue;
+ }
+
/* issue 733, l_data_size == 0U, probably something wrong should be checked before getting here */
if (res_h > 0 && res_w > SIZE_MAX / res_h) {
opj_event_msg(p_manager, EVT_ERROR,
OPJ_UINT32 resno;
opj_tcd_tilecomp_t* tilec = &(p_tcd->tcd_image->tiles->comps[compno]);
opj_image_comp_t* image_comp = &(p_tcd->image->comps[compno]);
+
+ if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
+ continue;
+ }
+
/* Compute the intersection of the area of interest, expressed in tile coordinates */
/* with the tile coordinates */
tilec->win_x0 = opj_uint_max(
opj_image_data_free(tilec->data_win);
tilec->data_win = NULL;
+ if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
+ continue;
+ }
+
if (w > 0 && h > 0) {
if (w > SIZE_MAX / h) {
opj_event_msg(p_manager, EVT_ERROR,
check_pterm = OPJ_TRUE;
}
- for (compno = 0; compno < l_tile->numcomps; ++compno) {
+ for (compno = 0; compno < l_tile->numcomps;
+ ++compno, ++l_tile_comp, ++l_tccp) {
+ if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
+ continue;
+ }
+
opj_t1_decode_cblks(p_tcd, &ret, l_tile_comp, l_tccp,
p_manager, p_manager_mutex, check_pterm);
if (!ret) {
break;
}
- ++l_tile_comp;
- ++l_tccp;
}
opj_thread_pool_wait_completion(p_tcd->thread_pool, 0);
opj_tccp_t * l_tccp = p_tcd->tcp->tccps;
opj_image_comp_t * l_img_comp = p_tcd->image->comps;
- for (compno = 0; compno < l_tile->numcomps; compno++) {
+ for (compno = 0; compno < l_tile->numcomps;
+ compno++, ++l_tile_comp, ++l_img_comp, ++l_tccp) {
+ if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
+ continue;
+ }
if (l_tccp->qmfbid == 1) {
if (! opj_dwt_decode(p_tcd, l_tile_comp,
}
}
- ++l_tile_comp;
- ++l_img_comp;
- ++l_tccp;
}
return OPJ_TRUE;
opj_tcd_tilecomp_t * l_tile_comp = l_tile->comps;
OPJ_UINT32 l_samples, i;
- if (! l_tcp->mct) {
+ if (l_tcp->mct == 0 || p_tcd->used_component != NULL) {
return OPJ_TRUE;
}
l_tccp = p_tcd->tcp->tccps;
l_img_comp = p_tcd->image->comps;
- for (compno = 0; compno < l_tile->numcomps; compno++) {
+ for (compno = 0; compno < l_tile->numcomps;
+ compno++, ++l_img_comp, ++l_tccp, ++l_tile_comp) {
+
+ if (p_tcd->used_component != NULL && !p_tcd->used_component[compno]) {
+ continue;
+ }
+
l_res = l_tile_comp->resolutions + l_img_comp->resno_decoded;
if (!p_tcd->whole_tile_decoding) {
l_current_ptr += l_stride;
}
}
-
- ++l_img_comp;
- ++l_tccp;
- ++l_tile_comp;
}
return OPJ_TRUE;
OPJ_UINT32 win_y1;
/** Only valid for decoding. Whether the whole tile is decoded, or just the region in win_x0/win_y0/win_x1/win_y1 */
OPJ_BOOL whole_tile_decoding;
+ /* Array of size image->numcomps indicating if a component must be decoded. NULL if all components must be decoded */
+ OPJ_BOOL* used_component;
} opj_tcd_t;
/** @name Exported functions */
@param win_y0 Upper left y of region to decode (in grid coordinates)
@param win_x1 Lower right x of region to decode (in grid coordinates)
@param win_y1 Lower right y of region to decode (in grid coordinates)
+@param numcomps_to_decode Size of the comps_indices array, or 0 if decoding all components.
+@param comps_indices Array of numcomps values representing the indices
+ of the components to decode (relative to the
+ codestream, starting at 0). Or NULL if decoding all components.
@param src Source buffer
@param len Length of source buffer
@param tileno Number that identifies one of the tiles to be decoded
OPJ_UINT32 win_y0,
OPJ_UINT32 win_x1,
OPJ_UINT32 win_y1,
+ OPJ_UINT32 numcomps_to_decode,
+ const OPJ_UINT32 *comps_indices,
OPJ_BYTE *src,
OPJ_UINT32 len,
OPJ_UINT32 tileno,
b704ad4c0cfefffd78c20a54f5541265 dwt_interleave_h.gsr105.jp2_d_1_1_33_33_0.pgx
9d7fe43cd7a50b7bbaf712926ee11980 dwt_interleave_h.gsr105.jp2_d_1_1_33_33_1.pgx
0960b580f991ff10f693b24aa41ad58b dwt_interleave_h.gsr105.jp2_d_1_1_33_33_2.pgx
+fa7382fd8b2e788b28b807e200dd95b9 file1.jp2-c0.tif
+ed79b7fe443955cdefba2b039ddc846a file1.jp2-c0_1_2.tif
+ac8f6ab3acc9c692ed7c41bd62a0e1e8 file1.jp2-c0-r1.tif
+fbfcf662b6f7549574b2885490fbcf12 file1.jp2-c0-d10_20_30_40.tif
+fa7382fd8b2e788b28b807e200dd95b9 file1.jp2-c0-t0.tif
+ac8f6ab3acc9c692ed7c41bd62a0e1e8 file1.jp2-c0-t0-r1.tif
# https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3115
opj_decompress -i @INPUT_NR_PATH@/dwt_interleave_h.gsr105.jp2 -o @TEMP_PATH@/dwt_interleave_h.gsr105.jp2_d_1_1_33_33.pgx -d 1,1,33,33
+
+# partial component decoding with opj_decode(): one component
+opj_decompress -i @INPUT_CONF_PATH@/file1.jp2 -o @TEMP_PATH@/file1.jp2-c0.tif -c 0
+# partial component decoding with opj_decode(): 3 components without MCT
+opj_decompress -i @INPUT_CONF_PATH@/file1.jp2 -o @TEMP_PATH@/file1.jp2-c0_1_2.tif -c 0,1,2
+# partial component decoding with opj_decode() and opj_set_decode_area()
+opj_decompress -i @INPUT_CONF_PATH@/file1.jp2 -o @TEMP_PATH@/file1.jp2-c0-d10_20_30_40.tif -c 0 -d 10,20,30,40
+# partial component decoding with opj_decode() and reduced resolution
+opj_decompress -i @INPUT_CONF_PATH@/file1.jp2 -o @TEMP_PATH@/file1.jp2-c0-r1.tif -c 0 -r 1
+# partial component decoding with opj_get_decoded_tile()
+opj_decompress -i @INPUT_CONF_PATH@/file1.jp2 -o @TEMP_PATH@/file1.jp2-c0-t0.tif -c 0 -t 0
+# partial component decoding with opj_get_decoded_tile() and reduced resolution
+opj_decompress -i @INPUT_CONF_PATH@/file1.jp2 -o @TEMP_PATH@/file1.jp2-c0-t0-r1.tif -c 0 -t 0 -r 1
+
+# try to map the same component several times
+!opj_decompress -i @INPUT_CONF_PATH@/file1.jp2 -o @TEMP_PATH@/file1.jp2-c0_0.tif -c 0,0
+# try to map an invalid component
+!opj_decompress -i @INPUT_CONF_PATH@/file1.jp2 -o @TEMP_PATH@/file1.jp2-c10.tif -c 10
projects / openjpeg.git / commitdiff