/*fprintf(stdout, "[INFO] %s", msg);*/
}
-opj_image_t* decode(
- OPJ_BOOL quiet,
- const char* input_file,
- OPJ_INT32 x0,
- OPJ_INT32 y0,
- OPJ_INT32 x1,
- OPJ_INT32 y1,
- OPJ_UINT32* ptilew,
- OPJ_UINT32* ptileh,
- OPJ_UINT32* pcblkw,
- OPJ_UINT32* pcblkh)
+static opj_codec_t* create_codec_and_stream(const char* input_file,
+ opj_stream_t** pOutStream)
{
opj_dparameters_t l_param;
opj_codec_t * l_codec = NULL;
- opj_image_t * l_image = NULL;
opj_stream_t * l_stream = NULL;
- if (!quiet) {
- if (x0 != 0 || x1 != 0 || y0 != 0 || y1 != 0) {
- printf("Decoding %d,%d,%d,%d\n", x0, y0, x1, y1);
- } else {
- printf("Decoding full image\n");
- }
- }
-
l_stream = opj_stream_create_default_file_stream(input_file, OPJ_TRUE);
if (!l_stream) {
fprintf(stderr, "ERROR -> failed to create the stream from the file\n");
return NULL;
}
+ *pOutStream = l_stream;
+ return l_codec;
+}
+
+
+opj_image_t* decode(
+ OPJ_BOOL quiet,
+ const char* input_file,
+ OPJ_INT32 x0,
+ OPJ_INT32 y0,
+ OPJ_INT32 x1,
+ OPJ_INT32 y1,
+ OPJ_UINT32* ptilew,
+ OPJ_UINT32* ptileh,
+ OPJ_UINT32* pcblkw,
+ OPJ_UINT32* pcblkh)
+{
+ opj_codec_t * l_codec = NULL;
+ opj_image_t * l_image = NULL;
+ opj_stream_t * l_stream = NULL;
+
+ if (!quiet) {
+ if (x0 != 0 || x1 != 0 || y0 != 0 || y1 != 0) {
+ printf("Decoding %d,%d,%d,%d\n", x0, y0, x1, y1);
+ } else {
+ printf("Decoding full image\n");
+ }
+ }
+
+ l_codec = create_codec_and_stream(input_file, &l_stream);
+ if (l_codec == NULL) {
+ return NULL;
+ }
+
/* Read the main header of the codestream and if necessary the JP2 boxes*/
if (! opj_read_header(l_stream, l_codec, &l_image)) {
fprintf(stderr, "ERROR -> failed to read the header\n");
*ptilew = pCodeStreamInfo->tdx;
}
if (ptileh) {
- *ptilew = pCodeStreamInfo->tdy;
+ *ptileh = pCodeStreamInfo->tdy;
}
//int numResolutions = pCodeStreamInfo->m_default_tile_info.tccp_info[0].numresolutions;
if (pcblkw) {
return l_image;
}
+int decode_by_strip(OPJ_BOOL quiet,
+ const char* input_file,
+ OPJ_UINT32 strip_height,
+ OPJ_INT32 da_x0,
+ OPJ_INT32 da_y0,
+ OPJ_INT32 da_x1,
+ OPJ_INT32 da_y1,
+ opj_image_t* full_image)
+{
+ /* OPJ_UINT32 tilew, tileh; */
+ opj_codec_t * l_codec = NULL;
+ opj_image_t * l_image = NULL;
+ opj_stream_t * l_stream = NULL;
+ OPJ_UINT32 x0, y0, x1, y1, y;
+ OPJ_UINT32 full_x0, full_y0, full_x1, full_y1;
+
+ l_codec = create_codec_and_stream(input_file, &l_stream);
+ if (l_codec == NULL) {
+ return 1;
+ }
+
+ /* Read the main header of the codestream and if necessary the JP2 boxes*/
+ if (! opj_read_header(l_stream, l_codec, &l_image)) {
+ fprintf(stderr, "ERROR -> failed to read the header\n");
+ opj_stream_destroy(l_stream);
+ opj_destroy_codec(l_codec);
+ return 1;
+ }
+
+ full_x0 = l_image->x0;
+ full_y0 = l_image->y0;
+ full_x1 = l_image->x1;
+ full_y1 = l_image->y1;
+
+ if (da_x0 != 0 || da_y0 != 0 || da_x1 != 0 || da_y1 != 0) {
+ x0 = (OPJ_UINT32)da_x0;
+ y0 = (OPJ_UINT32)da_y0;
+ x1 = (OPJ_UINT32)da_x1;
+ y1 = (OPJ_UINT32)da_y1;
+ } else {
+ x0 = l_image->x0;
+ y0 = l_image->y0;
+ x1 = l_image->x1;
+ y1 = l_image->y1;
+ }
+ for (y = y0; y < y1; y += strip_height) {
+ OPJ_UINT32 h_req = strip_height;
+ if (y + h_req > y1) {
+ h_req = y1 - y;
+ }
+ if (!quiet) {
+ printf("Decoding %u...%u\n", y, y + h_req);
+ }
+ if (!opj_set_decode_area(l_codec, l_image, (OPJ_INT32)x0, (OPJ_INT32)y,
+ (OPJ_INT32)x1, (OPJ_INT32)(y + h_req))) {
+ fprintf(stderr, "ERROR -> failed to set the decoded area\n");
+ opj_stream_destroy(l_stream);
+ opj_destroy_codec(l_codec);
+ opj_image_destroy(l_image);
+ return 1;
+ }
+
+ /* Get the decoded image */
+ if (!(opj_decode(l_codec, l_stream, l_image))) {
+ fprintf(stderr, "ERROR -> failed to decode image!\n");
+ opj_stream_destroy(l_stream);
+ opj_destroy_codec(l_codec);
+ opj_image_destroy(l_image);
+ return 1;
+ }
+
+ if (full_image) {
+ OPJ_UINT32 y_check, x;
+ OPJ_UINT32 compno;
+ for (compno = 0; compno < l_image->numcomps; compno ++) {
+ for (y_check = 0; y_check < h_req; y_check++) {
+ for (x = x0; x < x1; x++) {
+ OPJ_INT32 sub_image_val =
+ l_image->comps[compno].data[y_check * (x1 - x0) + (x - x0)];
+ OPJ_INT32 image_val =
+ full_image->comps[compno].data[(y + y_check) * (x1 - x0) + (x - x0)];
+ if (sub_image_val != image_val) {
+ fprintf(stderr,
+ "Difference found at subimage pixel (%u,%u) "
+ "of compno=%u: got %d, expected %d\n",
+ x, y_check + y, compno, sub_image_val, image_val);
+ return 1;
+ }
+ }
+ }
+ }
+ }
+
+ }
+
+ /* If image is small enough, try a final whole image read */
+ if (full_x1 - full_x0 < 10000 && full_y1 - full_y0 < 10000) {
+ if (!quiet) {
+ printf("Decoding full image\n");
+ }
+ if (!opj_set_decode_area(l_codec, l_image,
+ (OPJ_INT32)full_x0, (OPJ_INT32)full_y0,
+ (OPJ_INT32)full_x1, (OPJ_INT32)full_y1)) {
+ fprintf(stderr, "ERROR -> failed to set the decoded area\n");
+ opj_stream_destroy(l_stream);
+ opj_destroy_codec(l_codec);
+ opj_image_destroy(l_image);
+ return 1;
+ }
+
+ /* Get the decoded image */
+ if (!(opj_decode(l_codec, l_stream, l_image))) {
+ fprintf(stderr, "ERROR -> failed to decode image!\n");
+ opj_stream_destroy(l_stream);
+ opj_destroy_codec(l_codec);
+ opj_image_destroy(l_image);
+ return 1;
+ }
+ }
+
+ if (! opj_end_decompress(l_codec, l_stream)) {
+ opj_stream_destroy(l_stream);
+ opj_destroy_codec(l_codec);
+ opj_image_destroy(l_image);
+ return 1;
+ }
+
+
+ opj_stream_destroy(l_stream);
+ opj_destroy_codec(l_codec);
+ opj_image_destroy(l_image);
+ return 0;
+}
+
OPJ_BOOL check_consistency(opj_image_t* p_image, opj_image_t* p_sub_image)
{
OPJ_UINT32 compno;
OPJ_UINT32 step_x, step_y;
OPJ_BOOL quiet = OPJ_FALSE;
OPJ_UINT32 nsteps = 100;
+ OPJ_UINT32 strip_height = 0;
+ OPJ_BOOL strip_check = OPJ_FALSE;
if (argc < 2) {
fprintf(stderr,
- "Usage: test_decode_area [-q] [-steps n] input_file_jp2_or_jk2 [x0 y0 x1 y1]\n");
+ "Usage: test_decode_area [-q] [-steps n] input_file_jp2_or_jk2 [x0 y0 x1 y1]\n"
+ "or : test_decode_area [-q] [-strip_height h] [-strip_check] input_file_jp2_or_jk2 [x0 y0 x1 y1]\n");
return 1;
}
} else if (strcmp(argv[iarg], "-steps") == 0 && iarg + 1 < argc) {
nsteps = (OPJ_UINT32)atoi(argv[iarg + 1]);
iarg ++;
+ } else if (strcmp(argv[iarg], "-strip_height") == 0 && iarg + 1 < argc) {
+ strip_height = (OPJ_UINT32)atoi(argv[iarg + 1]);
+ iarg ++;
+ } else if (strcmp(argv[iarg], "-strip_check") == 0) {
+ strip_check = OPJ_TRUE;
} else if (input_file == NULL) {
input_file = argv[iarg];
} else if (iarg + 3 < argc) {
da_y0 = atoi(argv[iarg + 1]);
da_x1 = atoi(argv[iarg + 2]);
da_y1 = atoi(argv[iarg + 3]);
+ if (da_x0 < 0 || da_y0 < 0 || da_x1 < 0 || da_y1 < 0) {
+ fprintf(stderr, "Wrong bounds\n");
+ return 1;
+ }
iarg += 3;
}
}
}
- l_image = decode(quiet, input_file, 0, 0, 0, 0,
- &tilew, &tileh, &cblkw, &cblkh);
- if (!l_image) {
- return 1;
+ if (!strip_height || strip_check) {
+ l_image = decode(quiet, input_file, 0, 0, 0, 0,
+ &tilew, &tileh, &cblkw, &cblkh);
+ if (!l_image) {
+ return 1;
+ }
+ }
+
+ if (strip_height) {
+ int ret = decode_by_strip(quiet, input_file, strip_height, da_x0, da_y0, da_x1,
+ da_y1, l_image);
+ if (l_image) {
+ opj_image_destroy(l_image);
+ }
+ return ret;
}
if (da_x0 != 0 || da_x1 != 0 || da_y0 != 0 || da_y1 != 0) {
da_y0 = (OPJ_INT32)opj_uint_min(l_image->y1, (OPJ_UINT32)da_y0 + 1);
da_y1 = (OPJ_INT32)opj_uint_min(l_image->y1, (OPJ_UINT32)da_y1 + 1);
}
- l_sub_image = decode(quiet, input_file, da_x0, da_y0, da_x1, da_y1,
- NULL, NULL, NULL, NULL);
- if (!l_sub_image) {
- fprintf(stderr, "decode failed for %d,%d,%d,%d\n",
- da_x0, da_y0, da_x1, da_y1);
- opj_image_destroy(l_sub_image);
- opj_image_destroy(l_image);
- return 1;
- }
-
- if (!check_consistency(l_image, l_sub_image)) {
- fprintf(stderr, "Consistency checked failed for %d,%d,%d,%d\n",
- da_x0, da_y0, da_x1, da_y1);
+ if (da_x0 < (OPJ_INT32)l_image->x1 && da_y0 < (OPJ_INT32)l_image->y1) {
+ l_sub_image = decode(quiet, input_file, da_x0, da_y0, da_x1, da_y1,
+ NULL, NULL, NULL, NULL);
+ if (!l_sub_image) {
+ fprintf(stderr, "decode failed for %d,%d,%d,%d\n",
+ da_x0, da_y0, da_x1, da_y1);
+ opj_image_destroy(l_sub_image);
+ opj_image_destroy(l_image);
+ return 1;
+ }
+
+ if (!check_consistency(l_image, l_sub_image)) {
+ fprintf(stderr, "Consistency checked failed for %d,%d,%d,%d\n",
+ da_x0, da_y0, da_x1, da_y1);
+ opj_image_destroy(l_sub_image);
+ opj_image_destroy(l_image);
+ return 1;
+ }
opj_image_destroy(l_sub_image);
- opj_image_destroy(l_image);
- return 1;
}
- opj_image_destroy(l_sub_image);
}
}
}
projects / openjpeg.git / blobdiff