generic-library/openjpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Ajout de la possibilit� de taille de precincts diff�rente pour chaque r�solution

Browse Source
This commit is contained in:
Antonin Descampe
2004-04-29 15:32:38 +00:00
parent 64c34e0d52
commit eb2f910daa
1 changed files with 39 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

52
codec/image_to_j2k.c
View File

@@ -253,7 +253,9 @@ int main(int argc, char **argv)
int Prog_order; /* progression order (default LRCP) */ int Prog_order; /* progression order (default LRCP) */
char progression[4]; char progression[4];
int numpocs, numpocs_tile; /* Number of progression order change (POC) default 0 */ int numpocs, numpocs_tile; /* Number of progression order change (POC) default 0 */
int prcw_init, prch_init; /* Initialisation precincts' size */ int prcw_init[J2K_MAXRLVLS]; /* Initialisation Precinct width */
int prch_init[J2K_MAXRLVLS]; /* Initialisation Precinct height */
//int prcw_init, prch_init; /* Initialisation precincts' size */
int cblockw_init, cblockh_init; /* Initialisation codeblocks' size */ int cblockw_init, cblockh_init; /* Initialisation codeblocks' size */
int mode, value; /* Mode switch (cblk_style) */ int mode, value; /* Mode switch (cblk_style) */
int subsampling_dx, subsampling_dy; /* subsampling value for dx and dy */ int subsampling_dx, subsampling_dy; /* subsampling value for dx and dy */
@@ -272,6 +274,8 @@ int main(int argc, char **argv)
char *index = 0; char *index = 0;
char *s, S1, S2, S3; char *s, S1, S2, S3;
int ir = 0; int ir = 0;
int res_spec = 0; /* For various precinct sizes specification */
char sep;
/* default value */ /* default value */
/* ------------- */ /* ------------- */
@@ -418,8 +422,15 @@ int main(int argc, char **argv)
break; break;
/* ----------------------------------------------------- */ /* ----------------------------------------------------- */
case 'c': /* precinct dimension */ case 'c': /* precinct dimension */
sscanf(optarg, "%d,%d", &prcw_init, &prch_init); s = optarg;
do {
sep = 0;
sscanf(s, "[%d,%d]%c", &prcw_init[res_spec],
&prch_init[res_spec], &sep);
CSty |= 0x01; CSty |= 0x01;
res_spec++;
s = strpbrk(s, "]") + 2;
} while (sep == ',');
break; break;
/* ----------------------------------------------------- */ /* ----------------------------------------------------- */
case 'b': /* code-block dimension */ case 'b': /* code-block dimension */
@@ -692,23 +703,34 @@ int main(int argc, char **argv)
else else
tccp->roishift = 0; tccp->roishift = 0;
if (CSty & J2K_CCP_CSTY_PRT) { if (CSty & J2K_CCP_CSTY_PRT) {
int p = 0;
for (j = 0; j < tccp->numresolutions; j++) { for (j = tccp->numresolutions - 1; j >= 0; j--) {
int size_prcw, size_prch; if (p < res_spec) {
size_prcw = prcw_init >> (tccp->numresolutions - j - 1); if (prcw_init[p] < 1)
size_prch = prch_init >> (tccp->numresolutions - j - 1);
if (size_prcw < 1) {
tccp->prcw[j] = 1; tccp->prcw[j] = 1;
} else { else
tccp->prcw[j] = tccp->prcw[j] = int_floorlog2(prcw_init[p]);
int_floorlog2(prcw_init >> (tccp->numresolutions - j - 1));
} if (prch_init[p] < 1)
if (size_prch < 1) {
tccp->prch[j] = 1; tccp->prch[j] = 1;
else
tccp->prch[j] = int_floorlog2(prch_init[p]);
} else { } else {
tccp->prch[j] = int size_prcw, size_prch;
int_floorlog2(prch_init >> (tccp->numresolutions - j - 1)); size_prcw = prcw_init[res_spec - 1] >> (p - (res_spec - 1));
size_prch = prch_init[res_spec - 1] >> (p - (res_spec - 1));
if (size_prcw < 1)
tccp->prcw[j] = 1;
else
tccp->prcw[j] = int_floorlog2(size_prcw);
if (size_prch < 1)
tccp->prch[j] = 1;
else
tccp->prch[j] = int_floorlog2(size_prch);
} }
p++;
/*printf("\nsize precinct pour level %d : %d,%d\n", j,
tccp->prcw[j], tccp->prch[j]);*/
} }
} else { } else {
for (j = 0; j < tccp->numresolutions; j++) { for (j = 0; j < tccp->numresolutions; j++) {