int t2_encode_packets(opj_t2_t* t2, int tileno, opj_tcd_tile_t *tile, int maxlayers, unsigned char *dest, int len, opj_volume_info_t *volume_info) {
unsigned char *c = dest;
int e = 0;
opj_pi_iterator_t *pi = NULL;
int pino;
opj_volume_t *volume = t2->volume;
opj_cp_t *cp = t2->cp;
/* create a packet iterator */
pi = pi_create(volume, cp, tileno);
if(!pi) {
fprintf(stdout,"[ERROR] Failed to create a pi structure\n");
return -999;
}
if(volume_info) {
volume_info->num = 0;
}
for (pino = 0; pino <= cp->tcps[tileno].numpocs; pino++) {
while (pi_next(&pi[pino])) {
if (pi[pino].layno < maxlayers) {
e = t2_encode_packet(tile, &cp->tcps[tileno], &pi[pino], c, dest + len - c, volume_info, tileno, cp);
/*opj_event_msg(t2->cinfo, EVT_INFO, " t2_encode_packet: %d bytes coded\n",e);*/
if (e == -999) {
break;
} else {
c += e;
}
/* INDEX >> */
if(volume_info && volume_info->index_on) {
if(volume_info->index_write) {
opj_tile_info_t *info_TL = &volume_info->tile[tileno];
opj_packet_info_t *info_PK = &info_TL->packet[volume_info->num];
if (!volume_info->num) {
info_PK->start_pos = info_TL->end_header + 1;
} else {
info_PK->start_pos = info_TL->packet[volume_info->num - 1].end_pos + 1;
}
info_PK->end_pos = info_PK->start_pos + e - 1;
}
volume_info->num++;
}
/* << INDEX */
}
}
}
/* don't forget to release pi */
pi_destroy(pi, cp, tileno);
if (e == -999) {
return e;
}
return (c - dest);
}
int t2_encode_packets(opj_t2_t* t2, int tileno, opj_tcd_tile_t *tile, int maxlayers, unsigned char *dest, int len, opj_image_info_t *image_info) {
unsigned char *c = dest;
int e = 0;
opj_pi_iterator_t *pi = NULL;
int pino;
opj_image_t *image = t2->image;
opj_cp_t *cp = t2->cp;
/* create a packet iterator */
pi = pi_create(image, cp, tileno);
if(!pi) {
/* TODO: throw an error */
return -999;
}
if(image_info) {
image_info->num = 0;
}
for (pino = 0; pino <= cp->tcps[tileno].numpocs; pino++) {
while (pi_next(&pi[pino])) {
if (pi[pino].layno < maxlayers) {
e = t2_encode_packet(tile, &cp->tcps[tileno], &pi[pino], c, dest + len - c, image_info, tileno);
if (e == -999) {
break;
} else {
c += e;
}
/* INDEX >> */
if(image_info && image_info->index_on) {
if(image_info->index_write) {
opj_tile_info_t *info_TL = &image_info->tile[tileno];
opj_packet_info_t *info_PK = &info_TL->packet[image_info->num];
if (!image_info->num) {
info_PK->start_pos = info_TL->end_header + 1;
} else {
info_PK->start_pos = info_TL->packet[image_info->num - 1].end_pos + 1;
}
info_PK->end_pos = info_PK->start_pos + e - 1;
}
image_info->num++;
}
/* << INDEX */
}
}
}
/* don't forget to release pi */
pi_destroy(pi, cp, tileno);
if (e == -999) {
return e;
}
return (c - dest);
}
int t2_decode_packets(unsigned char *src, int len, j2k_image_t *img, j2k_cp_t *cp, int tileno, tcd_tile_t *tile) {
unsigned char *c=src;
pi_iterator_t *pi;
pi=pi_create(img, cp, tileno);
while (pi_next(pi)) {
//fprintf(stderr, "compno=%d, resno=%d, precno=%d, layno=%d\n", pi->compno, pi->resno, pi->precno, pi->layno);
c+=t2_decode_packet(c, src+len-c, tile, &cp->tcps[tileno], pi->compno, pi->resno, pi->precno, pi->layno);
}
pi_destroy(pi);
return c-src;
}
int t2_encode_packets(j2k_image_t *img, j2k_cp_t *cp, int tileno, tcd_tile_t *tile, int maxlayers, unsigned char *dest, int len) {
unsigned char *c=dest;
pi_iterator_t *pi;
pi=pi_create(img, cp, tileno);
while (pi_next(pi)) {
if (pi->layno<maxlayers) {
//fprintf(stderr, "compno=%d, resno=%d, precno=%d, layno=%d\n", pi->compno, pi->resno, pi->precno, pi->layno);
c+=t2_encode_packet(tile, &cp->tcps[tileno], pi->compno, pi->resno, pi->precno, pi->layno, c, dest+len-c);
}
}
pi_destroy(pi);
return c-dest;
}
int t2_decode_packets(opj_t2_t *t2, unsigned char *src, int len, int tileno, opj_tcd_tile_t *tile) {
unsigned char *c = src;
opj_pi_iterator_t *pi;
int pino, e = 0;
int n = 0;
opj_image_t *image = t2->image;
opj_cp_t *cp = t2->cp;
/* create a packet iterator */
pi = pi_create(image, cp, tileno);
if(!pi) {
/* TODO: throw an error */
return -999;
}
for (pino = 0; pino <= cp->tcps[tileno].numpocs; pino++) {
while (pi_next(&pi[pino])) {
if ((cp->layer==0) || (cp->layer>=((pi[pino].layno)+1))) {
e = t2_decode_packet(t2, c, src + len - c, tile, &cp->tcps[tileno], &pi[pino]);
} else {
e = 0;
}
/* progression in resolution */
image->comps[pi[pino].compno].resno_decoded =
(e > 0) ?
int_max(pi[pino].resno, image->comps[pi[pino].compno].resno_decoded)
: image->comps[pi[pino].compno].resno_decoded;
n++;
if (e == -999) { /* ADD */
break;
} else {
c += e;
}
}
}
/* don't forget to release pi */
pi_destroy(pi, cp, tileno);
if (e == -999) {
return e;
}
return (c - src);
}
int t2_decode_packets(opj_t2_t *t2, unsigned char *src, int len, int tileno, opj_tcd_tile_t *tile) {
unsigned char *c = src;
opj_pi_iterator_t *pi;
int pino, e = 0;
int n = 0,i;
opj_volume_t *volume = t2->volume;
opj_cp_t *cp = t2->cp;
/* create a packet iterator */
pi = pi_create(volume, cp, tileno);
if(!pi) {
/* TODO: throw an error */
return -999;
}
for (pino = 0; pino <= cp->tcps[tileno].numpocs; pino++) {
while (pi_next(&pi[pino])) {
if ((cp->layer==0) || (cp->layer>=((pi[pino].layno)+1))) {
e = t2_decode_packet(t2, c, src + len - c, tile, &cp->tcps[tileno], &pi[pino]);
} else {
e = 0;
}
/* progression in resolution */
for (i = 0; i < 3; i++){
volume->comps[pi[pino].compno].resno_decoded[i] = (e > 0) ? int_max(pi[pino].resno, volume->comps[pi[pino].compno].resno_decoded[i]) : volume->comps[pi[pino].compno].resno_decoded[i];
}
n++;
if (e == -999) { /* ADD */
break;
} else {
opj_event_msg(t2->cinfo, EVT_INFO, " t2_decode_packet: %d bytes decoded\n",e);
c += e;
}
}
}
/* don't forget to release pi */
pi_destroy(pi, cp, tileno);
if (e == -999) {
return e;
}
return (c - src);
}
