OpenJPEG 1.5.2

This commit is contained in:
Siana Gearz
2012-12-09 01:23:56 +01:00
parent cbb27a5661
commit d2a966f363
38 changed files with 2469 additions and 581 deletions

View File

@@ -59,11 +59,12 @@ Encode a packet of a tile to a destination buffer
*/
static int t2_encode_packet(opj_tcd_tile_t *tile, opj_tcp_t *tcp, opj_pi_iterator_t *pi, unsigned char *dest, int len, opj_codestream_info_t *cstr_info, int tileno);
/**
@param seg
@param cblk
@param index
@param cblksty
@param first
*/
static void t2_init_seg(opj_tcd_cblk_dec_t* cblk, int index, int cblksty, int first);
static opj_bool t2_init_seg(opj_tcd_cblk_dec_t* cblk, int index, int cblksty, int first);
/**
Decode a packet of a tile from a source buffer
@param t2 T2 handle
@@ -72,6 +73,7 @@ Decode a packet of a tile from a source buffer
@param tile Tile for which to write the packets
@param tcp Tile coding parameters
@param pi Packet identity
@param pack_info Packet information
@return
*/
static int t2_decode_packet(opj_t2_t* t2, unsigned char *src, int len, opj_tcd_tile_t *tile,
@@ -147,8 +149,8 @@ static int t2_encode_packet(opj_tcd_tile_t * tile, opj_tcp_t * tcp, opj_pi_itera
c[1] = 145;
c[2] = 0;
c[3] = 4;
c[4] = (tile->packno % 65536) / 256;
c[5] = (tile->packno % 65536) % 256;
c[4] = (unsigned char)((tile->packno % 65536) / 256);
c[5] = (unsigned char)((tile->packno % 65536) % 256);
c += 6;
}
/* </SOP> */
@@ -253,8 +255,8 @@ static int t2_encode_packet(opj_tcd_tile_t * tile, opj_tcp_t * tcp, opj_pi_itera
/* </EPH> */
/* << INDEX */
// End of packet header position. Currently only represents the distance to start of packet
// Will be updated later by incrementing with packet start value
/* End of packet header position. Currently only represents the distance to start of packet
// Will be updated later by incrementing with packet start value */
if(cstr_info && cstr_info->index_write) {
opj_packet_info_t *info_PK = &cstr_info->tile[tileno].packet[cstr_info->packno];
info_PK->end_ph_pos = (int)(c - dest);
@@ -294,9 +296,17 @@ static int t2_encode_packet(opj_tcd_tile_t * tile, opj_tcp_t * tcp, opj_pi_itera
return (c - dest);
}
static void t2_init_seg(opj_tcd_cblk_dec_t* cblk, int index, int cblksty, int first) {
static opj_bool t2_init_seg(opj_tcd_cblk_dec_t* cblk, int index, int cblksty, int first) {
opj_tcd_seg_t* seg;
cblk->segs = (opj_tcd_seg_t*) opj_realloc(cblk->segs, (index + 1) * sizeof(opj_tcd_seg_t));
opj_tcd_seg_t* segs;
segs = (opj_tcd_seg_t*) opj_realloc(cblk->segs, (index + 1) * sizeof(opj_tcd_seg_t));
if (segs == NULL)
{
return OPJ_FALSE;
}
cblk->segs = segs;
seg = &cblk->segs[index];
seg->data = NULL;
seg->dataindex = 0;
@@ -314,6 +324,8 @@ static void t2_init_seg(opj_tcd_cblk_dec_t* cblk, int index, int cblksty, int fi
} else {
seg->maxpasses = 109;
}
return OPJ_TRUE;
}
static int t2_decode_packet(opj_t2_t* t2, unsigned char *src, int len, opj_tcd_tile_t *tile,
@@ -401,8 +413,8 @@ static int t2_decode_packet(opj_t2_t* t2, unsigned char *src, int len, opj_tcd_t
}
/* << INDEX */
// End of packet header position. Currently only represents the distance to start of packet
// Will be updated later by incrementing with packet start value
/* End of packet header position. Currently only represents the distance to start of packet
// Will be updated later by incrementing with packet start value*/
if(pack_info) {
pack_info->end_ph_pos = (int)(c - src);
}
@@ -460,12 +472,22 @@ static int t2_decode_packet(opj_t2_t* t2, unsigned char *src, int len, opj_tcd_t
cblk->numlenbits += increment;
segno = 0;
if (!cblk->numsegs) {
t2_init_seg(cblk, segno, tcp->tccps[compno].cblksty, 1);
if (!t2_init_seg(cblk, segno, tcp->tccps[compno].cblksty, 1))
{
opj_event_msg(t2->cinfo, EVT_ERROR, "Out of memory\n");
bio_destroy(bio);
return -999;
}
} else {
segno = cblk->numsegs - 1;
if (cblk->segs[segno].numpasses == cblk->segs[segno].maxpasses) {
++segno;
t2_init_seg(cblk, segno, tcp->tccps[compno].cblksty, 0);
if (!t2_init_seg(cblk, segno, tcp->tccps[compno].cblksty, 0))
{
opj_event_msg(t2->cinfo, EVT_ERROR, "Out of memory\n");
bio_destroy(bio);
return -999;
}
}
}
n = cblk->numnewpasses;
@@ -476,7 +498,12 @@ static int t2_decode_packet(opj_t2_t* t2, unsigned char *src, int len, opj_tcd_t
n -= cblk->segs[segno].numnewpasses;
if (n > 0) {
++segno;
t2_init_seg(cblk, segno, tcp->tccps[compno].cblksty, 0);
if (!t2_init_seg(cblk, segno, tcp->tccps[compno].cblksty, 0))
{
opj_event_msg(t2->cinfo, EVT_ERROR, "Out of memory\n");
bio_destroy(bio);
return -999;
}
}
} while (n > 0);
}
@@ -494,14 +521,15 @@ static int t2_decode_packet(opj_t2_t* t2, unsigned char *src, int len, opj_tcd_t
if (tcp->csty & J2K_CP_CSTY_EPH) {
if ((*hd) != 0xff || (*(hd + 1) != 0x92)) {
opj_event_msg(t2->cinfo, EVT_ERROR, "Expected EPH marker\n");
return -999;
} else {
hd += 2;
}
}
/* << INDEX */
// End of packet header position. Currently only represents the distance to start of packet
// Will be updated later by incrementing with packet start value
/* End of packet header position. Currently only represents the distance to start of packet
// Will be updated later by incrementing with packet start value*/
if(pack_info) {
pack_info->end_ph_pos = (int)(hd - src);
}
@@ -565,7 +593,7 @@ static int t2_decode_packet(opj_t2_t* t2, unsigned char *src, int len, opj_tcd_t
#endif /* USE_JPWL */
cblk->data = (unsigned char*) opj_realloc(cblk->data, (cblk->len + seg->newlen) * sizeof(unsigned char*));
cblk->data = (unsigned char*) opj_realloc(cblk->data, (cblk->len + seg->newlen) * sizeof(unsigned char));
memcpy(cblk->data + cblk->len, c, seg->newlen);
if (seg->numpasses == 0) {
seg->data = &cblk->data;
@@ -659,8 +687,8 @@ int t2_encode_packets(opj_t2_t* t2,int tileno, opj_tcd_tile_t *tile, int maxlaye
info_PK->start_pos = ((cp->tp_on | tcp->POC)&& info_PK->start_pos) ? info_PK->start_pos : info_TL->packet[cstr_info->packno - 1].end_pos + 1;
}
info_PK->end_pos = info_PK->start_pos + e - 1;
info_PK->end_ph_pos += info_PK->start_pos - 1; // End of packet header which now only represents the distance
// to start of packet is incremented by value of start of packet
info_PK->end_ph_pos += info_PK->start_pos - 1; /* End of packet header which now only represents the distance
// to start of packet is incremented by value of start of packet*/
}
cstr_info->packno++;
@@ -711,7 +739,11 @@ int t2_decode_packets(opj_t2_t *t2, unsigned char *src, int len, int tileno, opj
} else {
e = 0;
}
if(e == -999)
{
pi_destroy(pi, cp, tileno);
return -999;
}
/* progression in resolution */
image->comps[pi[pino].compno].resno_decoded =
(e > 0) ?
@@ -725,8 +757,9 @@ int t2_decode_packets(opj_t2_t *t2, unsigned char *src, int len, int tileno, opj
opj_packet_info_t *info_PK = &info_TL->packet[cstr_info->packno];
if (!cstr_info->packno) {
info_PK->start_pos = info_TL->end_header + 1;
} else if (info_TL->packet[cstr_info->packno-1].end_pos >= (int)cstr_info->tile[tileno].tp[curtp].tp_end_pos){ // New tile part
info_TL->tp[curtp].tp_numpacks = cstr_info->packno - tp_start_packno; // Number of packets in previous tile-part
} else if (info_TL->packet[cstr_info->packno-1].end_pos >= (int)cstr_info->tile[tileno].tp[curtp].tp_end_pos){ /* New tile part*/
info_TL->tp[curtp].tp_numpacks = cstr_info->packno - tp_start_packno; /* Number of packets in previous tile-part*/
info_TL->tp[curtp].tp_start_pack = tp_start_packno;
tp_start_packno = cstr_info->packno;
curtp++;
info_PK->start_pos = cstr_info->tile[tileno].tp[curtp].tp_end_header+1;
@@ -734,8 +767,8 @@ int t2_decode_packets(opj_t2_t *t2, unsigned char *src, int len, int tileno, opj
info_PK->start_pos = (cp->tp_on && info_PK->start_pos) ? info_PK->start_pos : info_TL->packet[cstr_info->packno - 1].end_pos + 1;
}
info_PK->end_pos = info_PK->start_pos + e - 1;
info_PK->end_ph_pos += info_PK->start_pos - 1; // End of packet header which now only represents the distance
// to start of packet is incremented by value of start of packet
info_PK->end_ph_pos += info_PK->start_pos - 1; /* End of packet header which now only represents the distance
// to start of packet is incremented by value of start of packet*/
cstr_info->packno++;
}
/* << INDEX */
@@ -749,7 +782,8 @@ int t2_decode_packets(opj_t2_t *t2, unsigned char *src, int len, int tileno, opj
}
/* INDEX >> */
if(cstr_info) {
cstr_info->tile[tileno].tp[curtp].tp_numpacks = cstr_info->packno - tp_start_packno; // Number of packets in last tile-part
cstr_info->tile[tileno].tp[curtp].tp_numpacks = cstr_info->packno - tp_start_packno; /* Number of packets in last tile-part*/
cstr_info->tile[tileno].tp[curtp].tp_start_pack = tp_start_packno;
}
/* << INDEX */