static int t2_encode_packet(opj_tcd_tile_t * tile, opj_tcp_t * tcp, opj_pi_iterator_t *pi, unsigned char *dest, int length, opj_codestream_info_t *cstr_info, int tileno) { int bandno, cblkno; unsigned char *c = dest; int compno = pi->compno; /* component value */ int resno = pi->resno; /* resolution level value */ int precno = pi->precno; /* precinct value */ int layno = pi->layno; /* quality layer value */ opj_tcd_tilecomp_t *tilec = &tile->comps[compno]; opj_tcd_resolution_t *res = &tilec->resolutions[resno]; opj_bio_t *bio = NULL; /* BIO component */ /* <SOP 0xff91> */ if (tcp->csty & J2K_CP_CSTY_SOP) { c[0] = 255; c[1] = 145; c[2] = 0; c[3] = 4; c[4] = (unsigned char)((tile->packno % 65536) / 256); c[5] = (unsigned char)((tile->packno % 65536) % 256); c += 6; } /* </SOP> */ if (!layno) { for (bandno = 0; bandno < res->numbands; bandno++) { opj_tcd_band_t *band = &res->bands[bandno]; opj_tcd_precinct_t *prc = &band->precincts[precno]; tgt_reset(prc->incltree); tgt_reset(prc->imsbtree); for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) { opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno]; cblk->numpasses = 0; tgt_setvalue(prc->imsbtree, cblkno, band->numbps - cblk->numbps); } } } bio = bio_create(); bio_init_enc(bio, c, length); bio_write(bio, 1, 1); /* Empty header bit */ /* Writing Packet header */ for (bandno = 0; bandno < res->numbands; bandno++) { opj_tcd_band_t *band = &res->bands[bandno]; opj_tcd_precinct_t *prc = &band->precincts[precno]; for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) { opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno]; opj_tcd_layer_t *layer = &cblk->layers[layno]; if (!cblk->numpasses && layer->numpasses) { tgt_setvalue(prc->incltree, cblkno, layno); } } for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) { opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno]; opj_tcd_layer_t *layer = &cblk->layers[layno]; int increment = 0; int nump = 0; int len = 0, passno; /* cblk inclusion bits */ if (!cblk->numpasses) { tgt_encode(bio, prc->incltree, cblkno, layno + 1); } else { bio_write(bio, layer->numpasses != 0, 1); } /* if cblk not included, go to the next cblk */ if (!layer->numpasses) { continue; } /* if first instance of cblk --> zero bit-planes information */ if (!cblk->numpasses) { cblk->numlenbits = 3; tgt_encode(bio, prc->imsbtree, cblkno, 999); } /* number of coding passes included */ t2_putnumpasses(bio, layer->numpasses); /* computation of the increase of the length indicator and insertion in the header */ for (passno = cblk->numpasses; passno < cblk->numpasses + layer->numpasses; passno++) { opj_tcd_pass_t *pass = &cblk->passes[passno]; nump++; len += pass->len; if (pass->term || passno == (cblk->numpasses + layer->numpasses) - 1) { increment = int_max(increment, int_floorlog2(len) + 1 - (cblk->numlenbits + int_floorlog2(nump))); len = 0; nump = 0; } } t2_putcommacode(bio, increment); /* computation of the new Length indicator */ cblk->numlenbits += increment; /* insertion of the codeword segment length */ for (passno = cblk->numpasses; passno < cblk->numpasses + layer->numpasses; passno++) { opj_tcd_pass_t *pass = &cblk->passes[passno]; nump++; len += pass->len; if (pass->term || passno == (cblk->numpasses + layer->numpasses) - 1) { bio_write(bio, len, cblk->numlenbits + int_floorlog2(nump)); len = 0; nump = 0; } } } } if (bio_flush(bio)) { bio_destroy(bio); return -999; /* modified to eliminate longjmp !! */ } c += bio_numbytes(bio); bio_destroy(bio); /* <EPH 0xff92> */ if (tcp->csty & J2K_CP_CSTY_EPH) { c[0] = 255; c[1] = 146; c += 2; } /* </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 */ 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); } /* INDEX >> */ /* Writing the packet body */ for (bandno = 0; bandno < res->numbands; bandno++) { opj_tcd_band_t *band = &res->bands[bandno]; opj_tcd_precinct_t *prc = &band->precincts[precno]; for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) { opj_tcd_cblk_enc_t* cblk = &prc->cblks.enc[cblkno]; opj_tcd_layer_t *layer = &cblk->layers[layno]; if (!layer->numpasses) { continue; } if (c + layer->len > dest + length) { return -999; } memcpy(c, layer->data, layer->len); cblk->numpasses += layer->numpasses; c += layer->len; /* << INDEX */ if(cstr_info && cstr_info->index_write) { opj_packet_info_t *info_PK = &cstr_info->tile[tileno].packet[cstr_info->packno]; info_PK->disto += layer->disto; if (cstr_info->D_max < info_PK->disto) { cstr_info->D_max = info_PK->disto; } } /* INDEX >> */ } } return (c - dest); }
static int t2_encode_packet(opj_tcd_tile_t * tile, opj_tcp_t * tcp, opj_pi_iterator_t *pi, unsigned char *dest, int length, opj_image_info_t * image_info, int tileno) { int bandno, cblkno; unsigned char *sop = 0, *eph = 0; unsigned char *c = dest; int compno = pi->compno; /* component value */ int resno = pi->resno; /* resolution level value */ int precno = pi->precno; /* precinct value */ int layno = pi->layno; /* quality layer value */ opj_tcd_tilecomp_t *tilec = &tile->comps[compno]; opj_tcd_resolution_t *res = &tilec->resolutions[resno]; opj_bio_t *bio = NULL; /* BIO component */ /* <SOP 0xff91> */ if (tcp->csty & J2K_CP_CSTY_SOP) { sop = (unsigned char *) opj_malloc(6 * sizeof(unsigned char)); sop[0] = 255; sop[1] = 145; sop[2] = 0; sop[3] = 4; sop[4] = (image_info->num % 65536) / 256; sop[5] = (image_info->num % 65536) % 256; memcpy(c, sop, 6); opj_free(sop); c += 6; } /* </SOP> */ if (!layno) { for (bandno = 0; bandno < res->numbands; bandno++) { opj_tcd_band_t *band = &res->bands[bandno]; opj_tcd_precinct_t *prc = &band->precincts[precno]; tgt_reset(prc->incltree); tgt_reset(prc->imsbtree); for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) { opj_tcd_cblk_t *cblk = &prc->cblks[cblkno]; cblk->numpasses = 0; tgt_setvalue(prc->imsbtree, cblkno, band->numbps - cblk->numbps); } } } bio = bio_create(); bio_init_enc(bio, c, length); bio_write(bio, 1, 1); /* Empty header bit */ /* Writing Packet header */ for (bandno = 0; bandno < res->numbands; bandno++) { opj_tcd_band_t *band = &res->bands[bandno]; opj_tcd_precinct_t *prc = &band->precincts[precno]; for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) { opj_tcd_cblk_t *cblk = &prc->cblks[cblkno]; opj_tcd_layer_t *layer = &cblk->layers[layno]; if (!cblk->numpasses && layer->numpasses) { tgt_setvalue(prc->incltree, cblkno, layno); } } for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) { opj_tcd_cblk_t *cblk = &prc->cblks[cblkno]; opj_tcd_layer_t *layer = &cblk->layers[layno]; int increment = 0; int nump = 0; int len = 0, passno; /* cblk inclusion bits */ if (!cblk->numpasses) { tgt_encode(bio, prc->incltree, cblkno, layno + 1); } else { bio_write(bio, layer->numpasses != 0, 1); } /* if cblk not included, go to the next cblk */ if (!layer->numpasses) { continue; } /* if first instance of cblk --> zero bit-planes information */ if (!cblk->numpasses) { cblk->numlenbits = 3; tgt_encode(bio, prc->imsbtree, cblkno, 999); } /* number of coding passes included */ t2_putnumpasses(bio, layer->numpasses); /* computation of the increase of the length indicator and insertion in the header */ for (passno = cblk->numpasses; passno < cblk->numpasses + layer->numpasses; passno++) { opj_tcd_pass_t *pass = &cblk->passes[passno]; nump++; len += pass->len; if (pass->term || passno == (cblk->numpasses + layer->numpasses) - 1) { increment = int_max(increment, int_floorlog2(len) + 1 - (cblk->numlenbits + int_floorlog2(nump))); len = 0; nump = 0; } } t2_putcommacode(bio, increment); /* computation of the new Length indicator */ cblk->numlenbits += increment; /* insertion of the codeword segment length */ for (passno = cblk->numpasses; passno < cblk->numpasses + layer->numpasses; passno++) { opj_tcd_pass_t *pass = &cblk->passes[passno]; nump++; len += pass->len; if (pass->term || passno == (cblk->numpasses + layer->numpasses) - 1) { bio_write(bio, len, cblk->numlenbits + int_floorlog2(nump)); len = 0; nump = 0; } } } } if (bio_flush(bio)) { return -999; /* modified to eliminate longjmp !! */ } c += bio_numbytes(bio); bio_destroy(bio); /* <EPH 0xff92> */ if (tcp->csty & J2K_CP_CSTY_EPH) { eph = (unsigned char *) opj_malloc(2 * sizeof(unsigned char)); eph[0] = 255; eph[1] = 146; memcpy(c, eph, 2); opj_free(eph); c += 2; } /* </EPH> */ /* Writing the packet body */ for (bandno = 0; bandno < res->numbands; bandno++) { opj_tcd_band_t *band = &res->bands[bandno]; opj_tcd_precinct_t *prc = &band->precincts[precno]; for (cblkno = 0; cblkno < prc->cw * prc->ch; cblkno++) { opj_tcd_cblk_t *cblk = &prc->cblks[cblkno]; opj_tcd_layer_t *layer = &cblk->layers[layno]; if (!layer->numpasses) { continue; } if (c + layer->len > dest + length) { return -999; } memcpy(c, layer->data, layer->len); cblk->numpasses += layer->numpasses; c += layer->len; /* ADD for index Cfr. Marcela --> delta disto by packet */ if(image_info && image_info->index_write && image_info->index_on) { opj_tile_info_t *info_TL = &image_info->tile[tileno]; opj_packet_info_t *info_PK = &info_TL->packet[image_info->num]; info_PK->disto += layer->disto; if (image_info->D_max < info_PK->disto) { image_info->D_max = info_PK->disto; } } /* </ADD> */ } } return (c - dest); }
static bool t2_encode_packet( OPJ_UINT32 tileno, opj_tcd_tile_t * tile, opj_tcp_t * tcp, opj_pi_iterator_t *pi, OPJ_BYTE *dest, OPJ_UINT32 * p_data_written, OPJ_UINT32 length, opj_codestream_info_t *cstr_info) { OPJ_UINT32 bandno, cblkno; OPJ_BYTE *c = dest; OPJ_UINT32 l_nb_bytes; OPJ_UINT32 compno = pi->compno; /* component value */ OPJ_UINT32 resno = pi->resno; /* resolution level value */ OPJ_UINT32 precno = pi->precno; /* precinct value */ OPJ_UINT32 layno = pi->layno; /* quality layer value */ OPJ_UINT32 l_nb_blocks; opj_tcd_band_t *band = 00; opj_tcd_cblk_enc_t* cblk = 00; opj_tcd_pass_t *pass = 00; opj_tcd_tilecomp_t *tilec = &tile->comps[compno]; opj_tcd_resolution_t *res = &tilec->resolutions[resno]; opj_bio_t *bio = 00; /* BIO component */ /* <SOP 0xff91> */ if (tcp->csty & J2K_CP_CSTY_SOP) { c[0] = 255; c[1] = 145; c[2] = 0; c[3] = 4; c[4] = (tile->packno % 65536) / 256; c[5] = (tile->packno % 65536) % 256; c += 6; length -= 6; } /* </SOP> */ if (!layno) { band = res->bands; for (bandno = 0; bandno < res->numbands; ++bandno) { opj_tcd_precinct_t *prc = &band->precincts[precno]; tgt_reset(prc->incltree); tgt_reset(prc->imsbtree); l_nb_blocks = prc->cw * prc->ch; for (cblkno = 0; cblkno < l_nb_blocks; ++cblkno) { opj_tcd_cblk_enc_t* cblk_v = &prc->cblks.enc[cblkno]; cblk_v->numpasses = 0; tgt_setvalue(prc->imsbtree, cblkno, band->numbps - cblk_v->numbps); } ++band; } } bio = bio_create(); bio_init_enc(bio, c, length); bio_write(bio, 1, 1); /* Empty header bit */ /* Writing Packet header */ band = res->bands; for (bandno = 0; bandno < res->numbands; ++bandno) { opj_tcd_precinct_t *prc = &band->precincts[precno]; l_nb_blocks = prc->cw * prc->ch; cblk = prc->cblks.enc; for (cblkno = 0; cblkno < l_nb_blocks; ++cblkno) { opj_tcd_layer_t *layer = &cblk->layers[layno]; if (!cblk->numpasses && layer->numpasses) { tgt_setvalue(prc->incltree, cblkno, layno); } ++cblk; } cblk = prc->cblks.enc; for (cblkno = 0; cblkno < l_nb_blocks; cblkno++) { opj_tcd_layer_t *layer = &cblk->layers[layno]; OPJ_UINT32 increment = 0; OPJ_UINT32 nump = 0; OPJ_UINT32 len = 0, passno; OPJ_UINT32 l_nb_passes; /* cblk inclusion bits */ if (!cblk->numpasses) { tgt_encode(bio, prc->incltree, cblkno, layno + 1); } else { bio_write(bio, layer->numpasses != 0, 1); } /* if cblk not included, go to the next cblk */ if (!layer->numpasses) { ++cblk; continue; } /* if first instance of cblk --> zero bit-planes information */ if (!cblk->numpasses) { cblk->numlenbits = 3; tgt_encode(bio, prc->imsbtree, cblkno, 999); } /* number of coding passes included */ t2_putnumpasses(bio, layer->numpasses); l_nb_passes = cblk->numpasses + layer->numpasses; pass = cblk->passes + cblk->numpasses; /* computation of the increase of the length indicator and insertion in the header */ for (passno = cblk->numpasses; passno < l_nb_passes; ++passno) { ++nump; len += pass->len; if (pass->term || passno == (cblk->numpasses + layer->numpasses) - 1) { increment = int_max(increment, int_floorlog2(len) + 1 - (cblk->numlenbits + int_floorlog2(nump))); len = 0; nump = 0; } ++pass; } t2_putcommacode(bio, increment); /* computation of the new Length indicator */ cblk->numlenbits += increment; pass = cblk->passes + cblk->numpasses; /* insertion of the codeword segment length */ for (passno = cblk->numpasses; passno < l_nb_passes; ++passno) { nump++; len += pass->len; if (pass->term || passno == (cblk->numpasses + layer->numpasses) - 1) { bio_write(bio, len, cblk->numlenbits + int_floorlog2(nump)); len = 0; nump = 0; } ++pass; } ++cblk; } ++band; } if (bio_flush(bio)) { bio_destroy(bio); return false; /* modified to eliminate longjmp !! */ } l_nb_bytes = bio_numbytes(bio); c += l_nb_bytes; length -= l_nb_bytes; bio_destroy(bio); /* <EPH 0xff92> */ if (tcp->csty & J2K_CP_CSTY_EPH) { c[0] = 255; c[1] = 146; c += 2; length -= 2; } /* </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 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 = (OPJ_INT32)(c - dest); } /* INDEX >> */ /* Writing the packet body */ band = res->bands; for (bandno = 0; bandno < res->numbands; bandno++) { opj_tcd_precinct_t *prc = &band->precincts[precno]; l_nb_blocks = prc->cw * prc->ch; cblk = prc->cblks.enc; for (cblkno = 0; cblkno < l_nb_blocks; ++cblkno) { opj_tcd_layer_t *layer = &cblk->layers[layno]; if (!layer->numpasses) { ++cblk; continue; } if (layer->len > length) { return false; } memcpy(c, layer->data, layer->len); cblk->numpasses += layer->numpasses; c += layer->len; length -= layer->len; /* << INDEX */ if(cstr_info && cstr_info->index_write) { opj_packet_info_t *info_PK = &cstr_info->tile[tileno].packet[cstr_info->packno]; info_PK->disto += layer->disto; if (cstr_info->D_max < info_PK->disto) { cstr_info->D_max = info_PK->disto; } } ++cblk; /* INDEX >> */ } ++band; } * p_data_written += (c - dest); return true; }
int t2_encode_packet(tcd_tile_t *tile, j2k_tcp_t *tcp, int compno, int resno, int precno, int layno, unsigned char *dest, int len) { int bandno, cblkno; tcd_tilecomp_t *tilec=&tile->comps[compno]; tcd_resolution_t *res=&tilec->resolutions[resno]; unsigned char *c=dest; if (!layno) { for (bandno=0; bandno<res->numbands; bandno++) { tcd_band_t *band=&res->bands[bandno]; tcd_precinct_t *prc=&band->precincts[precno]; tgt_reset(prc->incltree); tgt_reset(prc->imsbtree); for (cblkno=0; cblkno<prc->cw*prc->ch; cblkno++) { tcd_cblk_t *cblk=&prc->cblks[cblkno]; cblk->numpasses=0; tgt_setvalue(prc->imsbtree, cblkno, band->numbps-cblk->numbps); } } } bio_init_enc(c, len); bio_write(1, 1); for (bandno=0; bandno<res->numbands; bandno++) { tcd_band_t *band=&res->bands[bandno]; tcd_precinct_t *prc=&band->precincts[precno]; for (cblkno=0; cblkno<prc->cw*prc->ch; cblkno++) { tcd_cblk_t *cblk=&prc->cblks[cblkno]; tcd_layer_t *layer=&cblk->layers[layno]; if (!cblk->numpasses && layer->numpasses) { tgt_setvalue(prc->incltree, cblkno, layno); } } for (cblkno=0; cblkno<prc->cw*prc->ch; cblkno++) { tcd_cblk_t *cblk=&prc->cblks[cblkno]; tcd_layer_t *layer=&cblk->layers[layno]; int increment; if (!cblk->numpasses) { tgt_encode(prc->incltree, cblkno, layno+1); } else { bio_write(layer->numpasses!=0, 1); } if (!layer->numpasses) { continue; } if (!cblk->numpasses) { cblk->numlenbits=3; tgt_encode(prc->imsbtree, cblkno, 999); } t2_putnumpasses(layer->numpasses); increment=int_max(0, int_floorlog2(layer->len)+1-(cblk->numlenbits+int_floorlog2(layer->numpasses))); t2_putcommacode(increment); cblk->numlenbits+=increment; bio_write(layer->len, cblk->numlenbits+int_floorlog2(layer->numpasses)); } } bio_flush(); c+=bio_numbytes(); for (bandno=0; bandno<res->numbands; bandno++) { tcd_band_t *band=&res->bands[bandno]; tcd_precinct_t *prc=&band->precincts[precno]; for (cblkno=0; cblkno<prc->cw*prc->ch; cblkno++) { tcd_cblk_t *cblk=&prc->cblks[cblkno]; tcd_layer_t *layer=&cblk->layers[layno]; if (!layer->numpasses) continue; if (c+layer->len>dest+len) { longjmp(j2k_error, 1); } memcpy(c, layer->data, layer->len); cblk->numpasses+=layer->numpasses; c+=layer->len; } } return c-dest; }