walkero
/
openjpeg
1
0
Fork 0
Code Issues Pull Requests Projects Releases 1 Wiki Activity

test_decode_area: accept user bounds in -strip_height mode

This commit is contained in:
Even Rouault 2017-09-01 16:30:56 +02:00
parent 82a43d8035
commit 18635df518
1 changed files with 34 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
tests/test_decode_area.c
View File

@ -245,6 +245,10 @@ opj_image_t* decode(
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; */
@ -252,6 +256,7 @@ int decode_by_strip(OPJ_BOOL quiet,
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) {
@ -266,10 +271,22 @@ int decode_by_strip(OPJ_BOOL quiet,
return 1;
}
x0 = l_image->x0;
y0 = l_image->y0;
x1 = l_image->x1;
y1 = l_image->y1;
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) {
@ -303,9 +320,9 @@ int decode_by_strip(OPJ_BOOL quiet,
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];
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];
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) "
@ -321,12 +338,13 @@ int decode_by_strip(OPJ_BOOL quiet,
}
/* If image is small enough, try a final whole image read */
if (x1 - x0 < 10000 && y1 - y0 < 10000) {
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)x0, (OPJ_INT32)y0,
(OPJ_INT32)x1, (OPJ_INT32)y1)) {
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);
@ -411,7 +429,7 @@ int main(int argc, char** argv)
if (argc < 2) {
fprintf(stderr,
"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\n");
"or : test_decode_area [-q] [-strip_height h] [-strip_check] input_file_jp2_or_jk2 [x0 y0 x1 y1]\n");
return 1;
}
@ -435,6 +453,10 @@ int main(int argc, char** argv)
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;
}
}
@ -449,7 +471,8 @@ int main(int argc, char** argv)
}
if (strip_height) {
int ret = decode_by_strip(quiet, input_file, strip_height, l_image);
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);
}