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bench_dwt.c: add a -I switch to test irreversible FWDT/IDWT

This commit is contained in:
Even Rouault 2020-05-20 23:20:48 +02:00
parent adccbc8336
commit 0c09062464
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GPG Key ID: 33EBBFC47B3DD87D
1 changed files with 74 additions and 34 deletions
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56
src/lib/openjp2/bench_dwt.c
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@ -49,7 +49,8 @@ void init_tilec(opj_tcd_tilecomp_t * l_tilec,
OPJ_INT32 y0,
OPJ_INT32 x1,
OPJ_INT32 y1,
OPJ_UINT32 numresolutions)
OPJ_UINT32 numresolutions,
OPJ_BOOL irreversible)
{
opj_tcd_resolution_t* l_res;
OPJ_UINT32 resno, l_level_no;
@ -64,7 +65,13 @@ void init_tilec(opj_tcd_tilecomp_t * l_tilec,
(size_t)(l_tilec->y1 - l_tilec->y0);
l_tilec->data = (OPJ_INT32*) opj_malloc(sizeof(OPJ_INT32) * nValues);
for (i = 0; i < nValues; i++) {
l_tilec->data[i] = getValue((OPJ_UINT32)i);
OPJ_INT32 val = getValue((OPJ_UINT32)i);
if (irreversible) {
OPJ_FLOAT32 fVal = (OPJ_FLOAT32)val;
memcpy(&l_tilec->data[i], &fVal, sizeof(OPJ_FLOAT32));
} else {
l_tilec->data[i] = val;
}
}
l_tilec->numresolutions = numresolutions;
l_tilec->minimum_num_resolutions = numresolutions;
@ -99,7 +106,7 @@ void free_tilec(opj_tcd_tilecomp_t * l_tilec)
void usage(void)
{
printf(
"bench_dwt [-decode|encode] [-size value] [-check] [-display]\n");
"bench_dwt [-decode|encode] [-I] [-size value] [-check] [-display]\n");
printf(
" [-num_resolutions val] [-offset x y] [-num_threads val]\n");
exit(1);
@ -163,6 +170,7 @@ int main(int argc, char** argv)
OPJ_UINT32 offset_y = ((OPJ_UINT32)size + 1) / 2 - 1;
OPJ_UINT32 num_resolutions = 6;
OPJ_BOOL bench_decode = OPJ_TRUE;
OPJ_BOOL irreversible = OPJ_FALSE;
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "-encode") == 0) {
@ -171,9 +179,10 @@ int main(int argc, char** argv)
bench_decode = OPJ_TRUE;
} else if (strcmp(argv[i], "-display") == 0) {
display = OPJ_TRUE;
check = OPJ_TRUE;
} else if (strcmp(argv[i], "-check") == 0) {
check = OPJ_TRUE;
} else if (strcmp(argv[i], "-I") == 0) {
irreversible = OPJ_TRUE;
} else if (strcmp(argv[i], "-size") == 0 && i + 1 < argc) {
size = atoi(argv[i + 1]);
i ++;
@ -197,18 +206,29 @@ int main(int argc, char** argv)
}
}
if (irreversible && check) {
/* Due to irreversible inverse DWT not being symetric of forward */
/* See BUG_WEIRD_TWO_INVK in dwt.c */
printf("-I and -check aren't compatible\n");
exit(1);
}
tp = opj_thread_pool_create(num_threads);
init_tilec(&tilec, (OPJ_INT32)offset_x, (OPJ_INT32)offset_y,
(OPJ_INT32)offset_x + size, (OPJ_INT32)offset_y + size,
num_resolutions);
num_resolutions, irreversible);
if (display) {
printf("Before\n");
k = 0;
for (j = 0; j < tilec.y1 - tilec.y0; j++) {
for (i = 0; i < tilec.x1 - tilec.x0; i++) {
if (irreversible) {
printf("%f ", ((OPJ_FLOAT32*)tilec.data)[k]);
} else {
printf("%d ", tilec.data[k]);
}
k ++;
}
printf("\n");
@ -243,10 +263,18 @@ int main(int argc, char** argv)
start = opj_clock();
start_wc = opj_wallclock();
if (bench_decode) {
if (irreversible) {
opj_dwt_decode_real(&tcd, &tilec, tilec.numresolutions);
} else {
opj_dwt_decode(&tcd, &tilec, tilec.numresolutions);
}
} else {
if (irreversible) {
opj_dwt_encode_real(&tcd, &tilec);
} else {
opj_dwt_encode(&tcd, &tilec);
}
}
stop = opj_clock();
stop_wc = opj_wallclock();
printf("time for %s: total = %.03f s, wallclock = %.03f s\n",
@ -254,7 +282,6 @@ int main(int argc, char** argv)
stop - start,
stop_wc - start_wc);
if (display || check) {
if (display) {
if (bench_decode) {
printf("After IDWT\n");
@ -264,20 +291,27 @@ int main(int argc, char** argv)
k = 0;
for (j = 0; j < tilec.y1 - tilec.y0; j++) {
for (i = 0; i < tilec.x1 - tilec.x0; i++) {
if (irreversible) {
printf("%f ", ((OPJ_FLOAT32*)tilec.data)[k]);
} else {
printf("%d ", tilec.data[k]);
}
k ++;
}
printf("\n");
}
}
if ((display || check) && !irreversible) {
if (bench_decode) {
opj_dwt_encode(&tcd, &tilec);
} else {
opj_dwt_decode(&tcd, &tilec, tilec.numresolutions);
}
if (display) {
if (display && !irreversible) {
if (bench_decode) {
printf("After FDWT\n");
} else {
@ -286,14 +320,21 @@ int main(int argc, char** argv)
k = 0;
for (j = 0; j < tilec.y1 - tilec.y0; j++) {
for (i = 0; i < tilec.x1 - tilec.x0; i++) {
if (irreversible) {
printf("%f ", ((OPJ_FLOAT32*)tilec.data)[k]);
} else {
printf("%d ", tilec.data[k]);
}
k ++;
}
printf("\n");
}
}
}
if (check) {
size_t idx;
size_t nValues = (size_t)(tilec.x1 - tilec.x0) *
(size_t)(tilec.y1 - tilec.y0);
@ -304,7 +345,6 @@ int main(int argc, char** argv)
}
}
}
}
free_tilec(&tilec);