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Change opj_j2k_check_poc_val() to take into account tile number

This commit is contained in:
Even Rouault 2019-04-25 14:07:46 +02:00
parent bdec5ae272
commit a94cfbd533
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GPG Key ID: 33EBBFC47B3DD87D
2 changed files with 35 additions and 33 deletions
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66
src/lib/openjp2/j2k.c
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@ -1219,6 +1219,7 @@ static OPJ_BOOL opj_j2k_write_epc(opj_j2k_t *p_j2k,
* A nice message is outputted at errors.
*
* @param p_pocs the progression order changes.
* @param tileno the tile number of interest
* @param p_nb_pocs the number of progression order changes.
* @param p_nb_resolutions the number of resolutions.
* @param numcomps the number of components
@ -1228,6 +1229,7 @@ static OPJ_BOOL opj_j2k_write_epc(opj_j2k_t *p_j2k,
* @return true if the pocs are valid.
*/
static OPJ_BOOL opj_j2k_check_poc_val(const opj_poc_t *p_pocs,
OPJ_UINT32 tileno,
OPJ_UINT32 p_nb_pocs,
OPJ_UINT32 p_nb_resolutions,
OPJ_UINT32 numcomps,
@ -1615,6 +1617,7 @@ const char *opj_j2k_convert_progression_order(OPJ_PROG_ORDER prg_order)
}
static OPJ_BOOL opj_j2k_check_poc_val(const opj_poc_t *p_pocs,
OPJ_UINT32 tileno,
OPJ_UINT32 p_nb_pocs,
OPJ_UINT32 p_nb_resolutions,
OPJ_UINT32 p_num_comps,
@ -1629,9 +1632,7 @@ static OPJ_BOOL opj_j2k_check_poc_val(const opj_poc_t *p_pocs,
OPJ_UINT32 step_l = p_nb_resolutions * step_r;
OPJ_BOOL loss = OPJ_FALSE;
if (p_nb_pocs == 0) {
return OPJ_TRUE;
}
assert(p_nb_pocs > 0);
packet_array = (OPJ_UINT32*) opj_calloc(step_l * p_num_layers,
sizeof(OPJ_UINT32));
@ -1641,35 +1642,37 @@ static OPJ_BOOL opj_j2k_check_poc_val(const opj_poc_t *p_pocs,
return OPJ_FALSE;
}
/* iterate through all the pocs */
for (i = 0; i < p_nb_pocs ; ++i) {
index = step_r * p_pocs->resno0;
/* iterate through all the pocs that match our tile of interest. */
for (i = 0; i < p_nb_pocs; ++i) {
const opj_poc_t *poc = &p_pocs[i];
if (tileno + 1 == poc->tile) {
index = step_r * poc->resno0;
/* take each resolution for each poc */
for (resno = p_pocs->resno0 ;
resno < opj_uint_min(p_pocs->resno1, p_nb_resolutions); ++resno) {
OPJ_UINT32 res_index = index + p_pocs->compno0 * step_c;
/* take each resolution for each poc */
for (resno = poc->resno0 ;
resno < opj_uint_min(poc->resno1, p_nb_resolutions); ++resno) {
OPJ_UINT32 res_index = index + poc->compno0 * step_c;
/* take each comp of each resolution for each poc */
for (compno = p_pocs->compno0 ;
compno < opj_uint_min(p_pocs->compno1, p_num_comps); ++compno) {
/* The layer index always starts at zero for every progression. */
const OPJ_UINT32 layno0 = 0;
OPJ_UINT32 comp_index = res_index + layno0 * step_l;
/* take each comp of each resolution for each poc */
for (compno = poc->compno0 ;
compno < opj_uint_min(poc->compno1, p_num_comps); ++compno) {
/* The layer index always starts at zero for every progression. */
const OPJ_UINT32 layno0 = 0;
OPJ_UINT32 comp_index = res_index + layno0 * step_l;
/* and finally take each layer of each res of ... */
for (layno = layno0; layno < opj_uint_min(p_pocs->layno1, p_num_layers);
++layno) {
packet_array[comp_index] = 1;
comp_index += step_l;
/* and finally take each layer of each res of ... */
for (layno = layno0; layno < opj_uint_min(poc->layno1, p_num_layers);
++layno) {
packet_array[comp_index] = 1;
comp_index += step_l;
}
res_index += step_c;
}
res_index += step_c;
index += step_r;
}
index += step_r;
}
++p_pocs;
}
index = 0;
@ -7138,13 +7141,6 @@ OPJ_BOOL opj_j2k_setup_encoder(opj_j2k_t *p_j2k,
"Not enough memory to allocate tile coding parameters\n");
return OPJ_FALSE;
}
if (parameters->numpocs) {
/* initialisation of POC */
opj_j2k_check_poc_val(parameters->POC, parameters->numpocs,
(OPJ_UINT32)parameters->numresolution, image->numcomps,
(OPJ_UINT32)parameters->tcp_numlayers, p_manager);
/* TODO MSD use the return value*/
}
for (tileno = 0; tileno < cp->tw * cp->th; tileno++) {
opj_tcp_t *tcp = &cp->tcps[tileno];
@ -7195,6 +7191,12 @@ OPJ_BOOL opj_j2k_setup_encoder(opj_j2k_t *p_j2k,
}
if (numpocs_tile) {
/* TODO MSD use the return value*/
opj_j2k_check_poc_val(parameters->POC, tileno, parameters->numpocs,
(OPJ_UINT32)parameters->numresolution, image->numcomps,
(OPJ_UINT32)parameters->tcp_numlayers, p_manager);
tcp->POC = 1;
tcp->numpocs = numpocs_tile - 1 ;
}

2
src/lib/openjp2/openjpeg.h
View File

@ -333,7 +333,7 @@ typedef struct opj_poc {
OPJ_PROG_ORDER prg1, prg;
/** Progression order string*/
OPJ_CHAR progorder[5];
/** Tile number */
/** Tile number (starting at 1) */
OPJ_UINT32 tile;
/** Start and end values for Tile width and height*/
OPJ_INT32 tx0, tx1, ty0, ty1;