* Copyright (c) 2005, Herve Drolon, FreeImage Team
* Copyright (c) 2008, 2011-2012, Centre National d'Etudes Spatiales (CNES), FR
* Copyright (c) 2012, CS Systemes d'Information, France
+ * Copyright (c) 2017, IntoPIX SA <support@intopix.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@param p_data_written FIXME DOC
@param len Length of the destination buffer
@param cstr_info Codestream information structure
+@param p_t2_mode If == THRESH_CALC In Threshold calculation ,If == FINAL_PASS Final pass
+@param p_manager the user event manager
@return
*/
static OPJ_BOOL opj_t2_encode_packet(OPJ_UINT32 tileno,
OPJ_BYTE *dest,
OPJ_UINT32 * p_data_written,
OPJ_UINT32 len,
- opj_codestream_info_t *cstr_info);
+ opj_codestream_info_t *cstr_info,
+ J2K_T2_MODE p_t2_mode,
+ opj_event_mgr_t *p_manager);
/**
Decode a packet of a tile from a source buffer
OPJ_UINT32 p_tp_num,
OPJ_INT32 p_tp_pos,
OPJ_UINT32 p_pino,
- J2K_T2_MODE p_t2_mode)
+ J2K_T2_MODE p_t2_mode,
+ opj_event_mgr_t *p_manager)
{
OPJ_BYTE *l_current_data = p_dest;
OPJ_UINT32 l_nb_bytes = 0;
l_nb_bytes = 0;
if (! opj_t2_encode_packet(p_tile_no, p_tile, l_tcp, l_current_pi,
- l_current_data, &l_nb_bytes, p_max_len, cstr_info)) {
+ l_current_data, &l_nb_bytes,
+ p_max_len, cstr_info,
+ p_t2_mode,
+ p_manager)) {
opj_pi_destroy(l_pi, l_nb_pocs);
return OPJ_FALSE;
}
l_nb_bytes = 0;
if (! opj_t2_encode_packet(p_tile_no, p_tile, l_tcp, l_current_pi,
- l_current_data, &l_nb_bytes, p_max_len, cstr_info)) {
+ l_current_data, &l_nb_bytes, p_max_len,
+ cstr_info, p_t2_mode, p_manager)) {
opj_pi_destroy(l_pi, l_nb_pocs);
return OPJ_FALSE;
}
#define JAS_FPRINTF opj_null_jas_fprintf
#endif
-OPJ_BOOL opj_t2_decode_packets(opj_t2_t *p_t2,
+OPJ_BOOL opj_t2_decode_packets(opj_tcd_t* tcd,
+ opj_t2_t *p_t2,
OPJ_UINT32 p_tile_no,
opj_tcd_tile_t *p_tile,
OPJ_BYTE *p_src,
memset(first_pass_failed, OPJ_TRUE, l_image->numcomps * sizeof(OPJ_BOOL));
while (opj_pi_next(l_current_pi)) {
+ OPJ_BOOL skip_packet = OPJ_FALSE;
JAS_FPRINTF(stderr,
"packet offset=00000166 prg=%d cmptno=%02d rlvlno=%02d prcno=%03d lyrno=%02d\n\n",
l_current_pi->poc.prg1, l_current_pi->compno, l_current_pi->resno,
l_current_pi->precno, l_current_pi->layno);
- if (l_tcp->num_layers_to_decode > l_current_pi->layno
- && l_current_pi->resno <
- p_tile->comps[l_current_pi->compno].minimum_num_resolutions) {
+ /* If the packet layer is greater or equal than the maximum */
+ /* number of layers, skip the packet */
+ if (l_current_pi->layno >= l_tcp->num_layers_to_decode) {
+ skip_packet = OPJ_TRUE;
+ }
+ /* If the packet resolution number is greater than the minimum */
+ /* number of resolution allowed, skip the packet */
+ else if (l_current_pi->resno >=
+ p_tile->comps[l_current_pi->compno].minimum_num_resolutions) {
+ skip_packet = OPJ_TRUE;
+ } else {
+ /* If no precincts of any band intersects the area of interest, */
+ /* skip the packet */
+ OPJ_UINT32 bandno;
+ opj_tcd_tilecomp_t *tilec = &p_tile->comps[l_current_pi->compno];
+ opj_tcd_resolution_t *res = &tilec->resolutions[l_current_pi->resno];
+
+ skip_packet = OPJ_TRUE;
+ for (bandno = 0; bandno < res->numbands; ++bandno) {
+ opj_tcd_band_t* band = &res->bands[bandno];
+ opj_tcd_precinct_t* prec = &band->precincts[l_current_pi->precno];
+
+ if (opj_tcd_is_subband_area_of_interest(tcd,
+ l_current_pi->compno,
+ l_current_pi->resno,
+ band->bandno,
+ (OPJ_UINT32)prec->x0,
+ (OPJ_UINT32)prec->y0,
+ (OPJ_UINT32)prec->x1,
+ (OPJ_UINT32)prec->y1)) {
+ skip_packet = OPJ_FALSE;
+ break;
+ }
+ }
+ /*
+ printf("packet cmptno=%02d rlvlno=%02d prcno=%03d lyrno=%02d -> %s\n",
+ l_current_pi->compno, l_current_pi->resno,
+ l_current_pi->precno, l_current_pi->layno, skip_packet ? "skipped" : "kept");
+ */
+ }
+
+ if (!skip_packet) {
l_nb_bytes_read = 0;
first_pass_failed[l_current_pi->compno] = OPJ_FALSE;
OPJ_BYTE *dest,
OPJ_UINT32 * p_data_written,
OPJ_UINT32 length,
- opj_codestream_info_t *cstr_info)
+ opj_codestream_info_t *cstr_info,
+ J2K_T2_MODE p_t2_mode,
+ opj_event_mgr_t *p_manager)
{
OPJ_UINT32 bandno, cblkno;
OPJ_BYTE* c = dest;
opj_tcd_resolution_t *res = &tilec->resolutions[resno];
opj_bio_t *bio = 00; /* BIO component */
+#ifdef ENABLE_EMPTY_PACKET_OPTIMIZATION
OPJ_BOOL packet_empty = OPJ_TRUE;
+#else
+ OPJ_BOOL packet_empty = OPJ_FALSE;
+#endif
+
+#ifdef DEBUG_VERBOSE
+ if (p_t2_mode == FINAL_PASS) {
+ fprintf(stderr,
+ "encode packet compono=%d, resno=%d, precno=%d, layno=%d\n",
+ compno, resno, precno, layno);
+ }
+#endif
/* <SOP 0xff91> */
if (tcp->csty & J2K_CP_CSTY_SOP) {
+ if (length < 6) {
+ if (p_t2_mode == FINAL_PASS) {
+ opj_event_msg(p_manager, EVT_ERROR,
+ "opj_t2_encode_packet(): only %u bytes remaining in "
+ "output buffer. %u needed.\n",
+ length, 6);
+ }
+ return OPJ_FALSE;
+ }
c[0] = 255;
c[1] = 145;
c[2] = 0;
}
opj_bio_init_enc(bio, c, length);
+#ifdef ENABLE_EMPTY_PACKET_OPTIMIZATION
+ /* WARNING: this code branch is disabled, since it has been reported that */
+ /* such packets cause decoding issues with cinema J2K hardware */
+ /* decoders: https://groups.google.com/forum/#!topic/openjpeg/M7M_fLX_Bco */
+
/* Check if the packet is empty */
/* Note: we could also skip that step and always write a packet header */
band = res->bands;
break;
}
}
-
+#endif
opj_bio_write(bio, packet_empty ? 0 : 1, 1); /* Empty header bit */
-
/* Writing Packet header */
band = res->bands;
for (bandno = 0; !packet_empty &&
/* <EPH 0xff92> */
if (tcp->csty & J2K_CP_CSTY_EPH) {
+ if (length < 2) {
+ if (p_t2_mode == FINAL_PASS) {
+ opj_event_msg(p_manager, EVT_ERROR,
+ "opj_t2_encode_packet(): only %u bytes remaining in "
+ "output buffer. %u needed.\n",
+ length, 2);
+ }
+ return OPJ_FALSE;
+ }
c[0] = 255;
c[1] = 146;
c += 2;
}
if (layer->len > length) {
+ if (p_t2_mode == FINAL_PASS) {
+ opj_event_msg(p_manager, EVT_ERROR,
+ "opj_t2_encode_packet(): only %u bytes remaining in "
+ "output buffer. %u needed.\n",
+ length, layer->len);
+ }
return OPJ_FALSE;
}
#endif /* USE_JPWL */
- if (l_seg->numchunks == l_seg->numchunksalloc) {
- OPJ_UINT32 l_numchunksalloc = l_seg->numchunksalloc * 2 + 1;
+ if (l_cblk->numchunks == l_cblk->numchunksalloc) {
+ OPJ_UINT32 l_numchunksalloc = l_cblk->numchunksalloc * 2 + 1;
opj_tcd_seg_data_chunk_t* l_chunks =
- (opj_tcd_seg_data_chunk_t*)opj_realloc(l_seg->chunks,
+ (opj_tcd_seg_data_chunk_t*)opj_realloc(l_cblk->chunks,
l_numchunksalloc * sizeof(opj_tcd_seg_data_chunk_t));
if (l_chunks == NULL) {
opj_event_msg(p_manager, EVT_ERROR,
"cannot allocate opj_tcd_seg_data_chunk_t* array");
return OPJ_FALSE;
}
- l_seg->chunks = l_chunks;
- l_seg->numchunksalloc = l_numchunksalloc;
+ l_cblk->chunks = l_chunks;
+ l_cblk->numchunksalloc = l_numchunksalloc;
}
- l_seg->chunks[l_seg->numchunks].data = l_current_data;
- l_seg->chunks[l_seg->numchunks].len = l_seg->newlen;
- l_seg->numchunks ++;
+ l_cblk->chunks[l_cblk->numchunks].data = l_current_data;
+ l_cblk->chunks[l_cblk->numchunks].len = l_seg->newlen;
+ l_cblk->numchunks ++;
l_current_data += l_seg->newlen;
+ l_seg->len += l_seg->newlen;
l_seg->numpasses += l_seg->numnewpasses;
l_cblk->numnewpasses -= l_seg->numnewpasses;
projects / openjpeg.git / blobdiff