OpenJPEG 1.5.2
This commit is contained in:
@@ -59,11 +59,12 @@ Encode a packet of a tile to a destination buffer
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*/
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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);
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/**
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@param seg
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@param cblk
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@param index
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@param cblksty
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@param first
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*/
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static void t2_init_seg(opj_tcd_cblk_dec_t* cblk, int index, int cblksty, int first);
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static opj_bool t2_init_seg(opj_tcd_cblk_dec_t* cblk, int index, int cblksty, int first);
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/**
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Decode a packet of a tile from a source buffer
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@param t2 T2 handle
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@@ -72,6 +73,7 @@ Decode a packet of a tile from a source buffer
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@param tile Tile for which to write the packets
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@param tcp Tile coding parameters
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@param pi Packet identity
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@param pack_info Packet information
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@return
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*/
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static int t2_decode_packet(opj_t2_t* t2, unsigned char *src, int len, opj_tcd_tile_t *tile,
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@@ -147,8 +149,8 @@ static int t2_encode_packet(opj_tcd_tile_t * tile, opj_tcp_t * tcp, opj_pi_itera
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c[1] = 145;
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c[2] = 0;
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c[3] = 4;
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c[4] = (tile->packno % 65536) / 256;
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c[5] = (tile->packno % 65536) % 256;
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c[4] = (unsigned char)((tile->packno % 65536) / 256);
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c[5] = (unsigned char)((tile->packno % 65536) % 256);
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c += 6;
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}
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/* </SOP> */
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@@ -253,8 +255,8 @@ static int t2_encode_packet(opj_tcd_tile_t * tile, opj_tcp_t * tcp, opj_pi_itera
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/* </EPH> */
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/* << INDEX */
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// End of packet header position. Currently only represents the distance to start of packet
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// Will be updated later by incrementing with packet start value
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/* End of packet header position. Currently only represents the distance to start of packet
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// Will be updated later by incrementing with packet start value */
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if(cstr_info && cstr_info->index_write) {
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opj_packet_info_t *info_PK = &cstr_info->tile[tileno].packet[cstr_info->packno];
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info_PK->end_ph_pos = (int)(c - dest);
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@@ -294,9 +296,17 @@ static int t2_encode_packet(opj_tcd_tile_t * tile, opj_tcp_t * tcp, opj_pi_itera
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return (c - dest);
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}
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static void t2_init_seg(opj_tcd_cblk_dec_t* cblk, int index, int cblksty, int first) {
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static opj_bool t2_init_seg(opj_tcd_cblk_dec_t* cblk, int index, int cblksty, int first) {
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opj_tcd_seg_t* seg;
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cblk->segs = (opj_tcd_seg_t*) opj_realloc(cblk->segs, (index + 1) * sizeof(opj_tcd_seg_t));
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opj_tcd_seg_t* segs;
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segs = (opj_tcd_seg_t*) opj_realloc(cblk->segs, (index + 1) * sizeof(opj_tcd_seg_t));
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if (segs == NULL)
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{
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return OPJ_FALSE;
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}
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cblk->segs = segs;
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seg = &cblk->segs[index];
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seg->data = NULL;
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seg->dataindex = 0;
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@@ -314,6 +324,8 @@ static void t2_init_seg(opj_tcd_cblk_dec_t* cblk, int index, int cblksty, int fi
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} else {
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seg->maxpasses = 109;
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}
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return OPJ_TRUE;
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}
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static int t2_decode_packet(opj_t2_t* t2, unsigned char *src, int len, opj_tcd_tile_t *tile,
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@@ -401,8 +413,8 @@ static int t2_decode_packet(opj_t2_t* t2, unsigned char *src, int len, opj_tcd_t
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}
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/* << INDEX */
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// End of packet header position. Currently only represents the distance to start of packet
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// Will be updated later by incrementing with packet start value
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/* End of packet header position. Currently only represents the distance to start of packet
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// Will be updated later by incrementing with packet start value*/
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if(pack_info) {
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pack_info->end_ph_pos = (int)(c - src);
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}
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@@ -460,12 +472,22 @@ static int t2_decode_packet(opj_t2_t* t2, unsigned char *src, int len, opj_tcd_t
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cblk->numlenbits += increment;
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segno = 0;
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if (!cblk->numsegs) {
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t2_init_seg(cblk, segno, tcp->tccps[compno].cblksty, 1);
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if (!t2_init_seg(cblk, segno, tcp->tccps[compno].cblksty, 1))
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{
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opj_event_msg(t2->cinfo, EVT_ERROR, "Out of memory\n");
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bio_destroy(bio);
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return -999;
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}
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} else {
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segno = cblk->numsegs - 1;
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if (cblk->segs[segno].numpasses == cblk->segs[segno].maxpasses) {
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++segno;
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t2_init_seg(cblk, segno, tcp->tccps[compno].cblksty, 0);
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if (!t2_init_seg(cblk, segno, tcp->tccps[compno].cblksty, 0))
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{
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opj_event_msg(t2->cinfo, EVT_ERROR, "Out of memory\n");
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bio_destroy(bio);
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return -999;
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}
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}
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}
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n = cblk->numnewpasses;
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@@ -476,7 +498,12 @@ static int t2_decode_packet(opj_t2_t* t2, unsigned char *src, int len, opj_tcd_t
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n -= cblk->segs[segno].numnewpasses;
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if (n > 0) {
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++segno;
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t2_init_seg(cblk, segno, tcp->tccps[compno].cblksty, 0);
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if (!t2_init_seg(cblk, segno, tcp->tccps[compno].cblksty, 0))
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{
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opj_event_msg(t2->cinfo, EVT_ERROR, "Out of memory\n");
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bio_destroy(bio);
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return -999;
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}
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}
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} while (n > 0);
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}
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@@ -494,14 +521,15 @@ static int t2_decode_packet(opj_t2_t* t2, unsigned char *src, int len, opj_tcd_t
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if (tcp->csty & J2K_CP_CSTY_EPH) {
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if ((*hd) != 0xff || (*(hd + 1) != 0x92)) {
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opj_event_msg(t2->cinfo, EVT_ERROR, "Expected EPH marker\n");
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return -999;
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} else {
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hd += 2;
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}
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}
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/* << INDEX */
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// End of packet header position. Currently only represents the distance to start of packet
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// Will be updated later by incrementing with packet start value
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/* End of packet header position. Currently only represents the distance to start of packet
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// Will be updated later by incrementing with packet start value*/
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if(pack_info) {
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pack_info->end_ph_pos = (int)(hd - src);
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}
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@@ -565,7 +593,7 @@ static int t2_decode_packet(opj_t2_t* t2, unsigned char *src, int len, opj_tcd_t
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#endif /* USE_JPWL */
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cblk->data = (unsigned char*) opj_realloc(cblk->data, (cblk->len + seg->newlen) * sizeof(unsigned char*));
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cblk->data = (unsigned char*) opj_realloc(cblk->data, (cblk->len + seg->newlen) * sizeof(unsigned char));
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memcpy(cblk->data + cblk->len, c, seg->newlen);
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if (seg->numpasses == 0) {
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seg->data = &cblk->data;
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@@ -659,8 +687,8 @@ int t2_encode_packets(opj_t2_t* t2,int tileno, opj_tcd_tile_t *tile, int maxlaye
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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;
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}
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info_PK->end_pos = info_PK->start_pos + e - 1;
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info_PK->end_ph_pos += info_PK->start_pos - 1; // End of packet header which now only represents the distance
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// to start of packet is incremented by value of start of packet
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info_PK->end_ph_pos += info_PK->start_pos - 1; /* End of packet header which now only represents the distance
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// to start of packet is incremented by value of start of packet*/
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}
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cstr_info->packno++;
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@@ -711,7 +739,11 @@ int t2_decode_packets(opj_t2_t *t2, unsigned char *src, int len, int tileno, opj
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} else {
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e = 0;
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}
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if(e == -999)
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{
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pi_destroy(pi, cp, tileno);
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return -999;
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}
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/* progression in resolution */
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image->comps[pi[pino].compno].resno_decoded =
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(e > 0) ?
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@@ -725,8 +757,9 @@ int t2_decode_packets(opj_t2_t *t2, unsigned char *src, int len, int tileno, opj
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opj_packet_info_t *info_PK = &info_TL->packet[cstr_info->packno];
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if (!cstr_info->packno) {
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info_PK->start_pos = info_TL->end_header + 1;
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} else if (info_TL->packet[cstr_info->packno-1].end_pos >= (int)cstr_info->tile[tileno].tp[curtp].tp_end_pos){ // New tile part
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info_TL->tp[curtp].tp_numpacks = cstr_info->packno - tp_start_packno; // Number of packets in previous tile-part
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} else if (info_TL->packet[cstr_info->packno-1].end_pos >= (int)cstr_info->tile[tileno].tp[curtp].tp_end_pos){ /* New tile part*/
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info_TL->tp[curtp].tp_numpacks = cstr_info->packno - tp_start_packno; /* Number of packets in previous tile-part*/
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info_TL->tp[curtp].tp_start_pack = tp_start_packno;
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tp_start_packno = cstr_info->packno;
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curtp++;
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info_PK->start_pos = cstr_info->tile[tileno].tp[curtp].tp_end_header+1;
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@@ -734,8 +767,8 @@ int t2_decode_packets(opj_t2_t *t2, unsigned char *src, int len, int tileno, opj
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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;
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}
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info_PK->end_pos = info_PK->start_pos + e - 1;
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info_PK->end_ph_pos += info_PK->start_pos - 1; // End of packet header which now only represents the distance
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// to start of packet is incremented by value of start of packet
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info_PK->end_ph_pos += info_PK->start_pos - 1; /* End of packet header which now only represents the distance
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// to start of packet is incremented by value of start of packet*/
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cstr_info->packno++;
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}
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/* << INDEX */
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@@ -749,7 +782,8 @@ int t2_decode_packets(opj_t2_t *t2, unsigned char *src, int len, int tileno, opj
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}
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/* INDEX >> */
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if(cstr_info) {
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cstr_info->tile[tileno].tp[curtp].tp_numpacks = cstr_info->packno - tp_start_packno; // Number of packets in last tile-part
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cstr_info->tile[tileno].tp[curtp].tp_numpacks = cstr_info->packno - tp_start_packno; /* Number of packets in last tile-part*/
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cstr_info->tile[tileno].tp[curtp].tp_start_pack = tp_start_packno;
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}
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/* << INDEX */
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