/* Encode all of the code blocks associated with the current tile. */ int jpc_enc_enccblks(jpc_enc_t *enc) { jpc_enc_tcmpt_t *tcmpt; jpc_enc_tcmpt_t *endcomps; jpc_enc_rlvl_t *lvl; jpc_enc_rlvl_t *endlvls; jpc_enc_band_t *band; jpc_enc_band_t *endbands; jpc_enc_cblk_t *endcblks; int k; int bmx; jpc_enc_tile_t *tile; uint_fast32_t prcno; jpc_enc_prc_t *prc; tile = enc->curtile; endcomps = &tile->tcmpts[tile->numtcmpts]; for (tcmpt = tile->tcmpts; tcmpt != endcomps; ++tcmpt) { endlvls = &tcmpt->rlvls[tcmpt->numrlvls]; for (lvl = tcmpt->rlvls; lvl != endlvls; ++lvl) { if (!lvl->bands) { continue; } endbands = &lvl->bands[lvl->numbands]; for (band = lvl->bands; band != endbands; ++band) { if (!band->data) { continue; } for (prcno = 0, prc = band->prcs; prcno < lvl->numprcs; ++prcno, ++prc) { int error = 0; if (!prc->cblks) { continue; } bmx = 0; endcblks = &prc->cblks[prc->numcblks]; #pragma omp parallel for reduction(|:error) for (k=0; k<prc->numcblks; ++k) { //OMP: for (cblk = prc->cblks; cblk != endcblks; ++cblk) { int v, mx, i, j; jpc_enc_cblk_t *cblk = &(prc->cblks[k]); //printf("Thread %d working on k %d (numcblks = %d)\n", omp_get_thread_num(), k, prc->numcblks); mx = 0; for (i = 0; i < jas_matrix_numrows(cblk->data); ++i) { for (j = 0; j < jas_matrix_numcols(cblk->data); ++j) { v = abs(jas_matrix_get(cblk->data, i, j)); if (v > mx) { mx = v; } } } /* if (mx > bmx) { bmx = mx; } */ cblk->numbps = JAS_MAX(jpc_firstone(mx) + 1 - JPC_NUMEXTRABITS, 0); //OMP: } //OMP: for (cblk = prc->cblks; cblk != endcblks; ++cblk) { cblk->numimsbs = band->numbps - cblk->numbps; assert(cblk->numimsbs >= 0); //OMP: } //OMP: for (cblk = prc->cblks; cblk != endcblks; ++cblk) { if (jpc_enc_enccblk(enc, cblk->stream, tcmpt, band, cblk)) { error |= 1; //OMP: return -1; } } //printf("Exiting\n"); if(error) return -1; } } } } return 0; }
/* Encode all of the code blocks associated with the current tile. */ int jpc_enc_enccblks(jpc_enc_t *enc) { jpc_enc_tcmpt_t *tcmpt; jpc_enc_tcmpt_t *endcomps; jpc_enc_rlvl_t *lvl; jpc_enc_rlvl_t *endlvls; jpc_enc_band_t *band; jpc_enc_band_t *endbands; jpc_enc_cblk_t *cblk; jpc_enc_cblk_t *endcblks; int i; int j; int mx; int bmx; int v; jpc_enc_tile_t *tile; uint_fast32_t prcno; jpc_enc_prc_t *prc; tile = enc->curtile; endcomps = &tile->tcmpts[tile->numtcmpts]; for (tcmpt = tile->tcmpts; tcmpt != endcomps; ++tcmpt) { endlvls = &tcmpt->rlvls[tcmpt->numrlvls]; for (lvl = tcmpt->rlvls; lvl != endlvls; ++lvl) { if (!lvl->bands) { continue; } endbands = &lvl->bands[lvl->numbands]; for (band = lvl->bands; band != endbands; ++band) { if (!band->data) { continue; } for (prcno = 0, prc = band->prcs; prcno < lvl->numprcs; ++prcno, ++prc) { if (!prc->cblks) { continue; } bmx = 0; endcblks = &prc->cblks[prc->numcblks]; for (cblk = prc->cblks; cblk != endcblks; ++cblk) { mx = 0; for (i = 0; i < jas_matrix_numrows(cblk->data); ++i) { for (j = 0; j < jas_matrix_numcols(cblk->data); ++j) { v = abs(jas_matrix_get(cblk->data, i, j)); if (v > mx) { mx = v; } } } if (mx > bmx) { bmx = mx; } cblk->numbps = JAS_MAX(jpc_firstone(mx) + 1 - JPC_NUMEXTRABITS, 0); } for (cblk = prc->cblks; cblk != endcblks; ++cblk) { cblk->numimsbs = band->numbps - cblk->numbps; assert(cblk->numimsbs >= 0); } for (cblk = prc->cblks; cblk != endcblks; ++cblk) { if (jpc_enc_enccblk(enc, cblk->stream, tcmpt, band, cblk)) { return -1; } } } } } } return 0; }
int jpc_enc_encpkt(jpc_enc_t *enc, jas_stream_t *out, int compno, int lvlno, int prcno, int lyrno) { jpc_enc_tcmpt_t *comp; jpc_enc_rlvl_t *lvl; jpc_enc_band_t *band; jpc_enc_band_t *endbands; jpc_enc_cblk_t *cblk; jpc_enc_cblk_t *endcblks; jpc_bitstream_t *outb; jpc_enc_pass_t *pass; jpc_enc_pass_t *startpass; jpc_enc_pass_t *lastpass; jpc_enc_pass_t *endpass; jpc_enc_pass_t *endpasses; int i; int included; int ret; jpc_tagtreenode_t *leaf; int n; int t1; int t2; int adjust; int maxadjust; int datalen; int numnewpasses; int passcount; jpc_enc_tile_t *tile; jpc_enc_prc_t *prc; jpc_enc_cp_t *cp; jpc_ms_t *ms; tile = enc->curtile; cp = enc->cp; if (cp->tcp.csty & JPC_COD_SOP) { if (!(ms = jpc_ms_create(JPC_MS_SOP))) { return -1; } ms->parms.sop.seqno = jpc_pi_getind(tile->pi); if (jpc_putms(out, enc->cstate, ms)) { return -1; } jpc_ms_destroy(ms); } outb = jpc_bitstream_sopen(out, "w+"); assert(outb); if (jpc_bitstream_putbit(outb, 1) == EOF) { return -1; } JAS_DBGLOG(10, ("\n")); JAS_DBGLOG(10, ("present. ")); comp = &tile->tcmpts[compno]; lvl = &comp->rlvls[lvlno]; endbands = &lvl->bands[lvl->numbands]; for (band = lvl->bands; band != endbands; ++band) { if (!band->data) { continue; } prc = &band->prcs[prcno]; if (!prc->cblks) { continue; } endcblks = &prc->cblks[prc->numcblks]; for (cblk = prc->cblks; cblk != endcblks; ++cblk) { if (!lyrno) { leaf = jpc_tagtree_getleaf(prc->nlibtree, cblk - prc->cblks); jpc_tagtree_setvalue(prc->nlibtree, leaf, cblk->numimsbs); } pass = cblk->curpass; included = (pass && pass->lyrno == lyrno); if (included && (!cblk->numencpasses)) { assert(pass->lyrno == lyrno); leaf = jpc_tagtree_getleaf(prc->incltree, cblk - prc->cblks); jpc_tagtree_setvalue(prc->incltree, leaf, pass->lyrno); } } endcblks = &prc->cblks[prc->numcblks]; for (cblk = prc->cblks; cblk != endcblks; ++cblk) { pass = cblk->curpass; included = (pass && pass->lyrno == lyrno); if (!cblk->numencpasses) { leaf = jpc_tagtree_getleaf(prc->incltree, cblk - prc->cblks); if (jpc_tagtree_encode(prc->incltree, leaf, lyrno + 1, outb) < 0) { return -1; } } else { if (jpc_bitstream_putbit(outb, included) == EOF) { return -1; } } JAS_DBGLOG(10, ("included=%d ", included)); if (!included) { continue; } if (!cblk->numencpasses) { i = 1; leaf = jpc_tagtree_getleaf(prc->nlibtree, cblk - prc->cblks); for (;;) { if ((ret = jpc_tagtree_encode(prc->nlibtree, leaf, i, outb)) < 0) { return -1; } if (ret) { break; } ++i; } assert(leaf->known_ && i == leaf->value_ + 1); } endpasses = &cblk->passes[cblk->numpasses]; startpass = pass; endpass = startpass; while (endpass != endpasses && endpass->lyrno == lyrno){ ++endpass; } numnewpasses = endpass - startpass; if (jpc_putnumnewpasses(outb, numnewpasses)) { return -1; } JAS_DBGLOG(10, ("numnewpasses=%d ", numnewpasses)); lastpass = endpass - 1; n = startpass->start; passcount = 1; maxadjust = 0; for (pass = startpass; pass != endpass; ++pass) { if (pass->term || pass == lastpass) { datalen = pass->end - n; t1 = jpc_firstone(datalen) + 1; t2 = cblk->numlenbits + jpc_floorlog2(passcount); adjust = JAS_MAX(t1 - t2, 0); maxadjust = JAS_MAX(adjust, maxadjust); n += datalen; passcount = 1; } else { ++passcount; } } if (jpc_putcommacode(outb, maxadjust)) { return -1; } cblk->numlenbits += maxadjust; lastpass = endpass - 1; n = startpass->start; passcount = 1; for (pass = startpass; pass != endpass; ++pass) { if (pass->term || pass == lastpass) { datalen = pass->end - n; assert(jpc_firstone(datalen) < cblk->numlenbits + jpc_floorlog2(passcount)); if (jpc_bitstream_putbits(outb, cblk->numlenbits + jpc_floorlog2(passcount), datalen) == EOF) { return -1; } n += datalen; passcount = 1; } else { ++passcount; } } } } jpc_bitstream_outalign(outb, 0); jpc_bitstream_close(outb); if (cp->tcp.csty & JPC_COD_EPH) { if (!(ms = jpc_ms_create(JPC_MS_EPH))) { return -1; } jpc_putms(out, enc->cstate, ms); jpc_ms_destroy(ms); } comp = &tile->tcmpts[compno]; lvl = &comp->rlvls[lvlno]; endbands = &lvl->bands[lvl->numbands]; for (band = lvl->bands; band != endbands; ++band) { if (!band->data) { continue; } prc = &band->prcs[prcno]; if (!prc->cblks) { continue; } endcblks = &prc->cblks[prc->numcblks]; for (cblk = prc->cblks; cblk != endcblks; ++cblk) { pass = cblk->curpass; if (!pass) { continue; } if (pass->lyrno != lyrno) { assert(pass->lyrno < 0 || pass->lyrno > lyrno); continue; } endpasses = &cblk->passes[cblk->numpasses]; startpass = pass; endpass = startpass; while (endpass != endpasses && endpass->lyrno == lyrno){ ++endpass; } lastpass = endpass - 1; numnewpasses = endpass - startpass; jas_stream_seek(cblk->stream, startpass->start, SEEK_SET); assert(jas_stream_tell(cblk->stream) == startpass->start); if (jas_stream_copy(out, cblk->stream, lastpass->end - startpass->start)) { return -1; } cblk->curpass = (endpass != endpasses) ? endpass : 0; cblk->numencpasses += numnewpasses; } } return 0; }