ICCProfile JP2Instance::ReadICCProfile() { CheckOpenStream( !m_path.IsEmpty() && s_jasperInitialized, "ReadICCProfile" ); if ( jas_image_cmprof( m_jp2Image ) == nullptr ) return ICCProfile(); jas_stream_t* iccStream = nullptr; try { // Create a growable memory stream for output iccStream = jas_stream_memopen( 0, 0 ); if ( iccStream == nullptr ) JP2KERROR( "Extracting ICC profile from JPEG2000 image: Unable to create JasPer stream" ); if ( jas_iccprof_save( jas_image_cmprof( m_jp2Image )->iccprof, iccStream ) < 0 ) JP2KERROR( "Extracting ICC profile from JPEG2000 image: Error saving profile to JasPer stream" ); long iccSize = jas_stream_tell( iccStream ); if ( iccSize <= 0 ) JP2KERROR( "Extracting ICC profile from JPEG2000 image: Invalid JasPer stream position" ); ByteArray iccData( iccSize ); jas_stream_rewind( iccStream ); if ( jas_stream_read( iccStream, iccData.Begin(), iccSize ) != iccSize ) JP2KERROR( "Extracting ICC profile from JPEG2000 image: Error reading JasPer stream" ); jas_stream_close( iccStream ), iccStream = nullptr; ICCProfile icc( iccData ); if ( icc.IsProfile() ) Console().WriteLn( "<end><cbr>ICC profile extracted: \'" + icc.Description() + "\', " + String( icc.ProfileSize() ) + " bytes." ); return icc; } catch ( ... ) { if ( iccStream != nullptr ) jas_stream_close( iccStream ); Close(); throw; } }
int jp2_write_header(jas_image_t *image, jas_stream_t *out) { jp2_box_t *box; jp2_ftyp_t *ftyp; jp2_ihdr_t *ihdr; jas_stream_t *tmpstream; int allcmptssame; jp2_bpcc_t *bpcc; long len; uint_fast16_t cmptno; jp2_colr_t *colr; jp2_cdefchan_t *cdefchanent; jp2_cdef_t *cdef; int i; uint_fast32_t typeasoc; jas_iccprof_t *iccprof; jas_stream_t *iccstream; int pos; int needcdef; int prec; int sgnd; box = 0; tmpstream = 0; allcmptssame = 1; sgnd = jas_image_cmptsgnd(image, 0); prec = jas_image_cmptprec(image, 0); for (i = 1; i < jas_image_numcmpts(image); ++i) { if (jas_image_cmptsgnd(image, i) != sgnd || jas_image_cmptprec(image, i) != prec) { allcmptssame = 0; break; } } /* Output the signature box. */ if (!(box = jp2_box_create(JP2_BOX_JP))) { goto error; } box->data.jp.magic = JP2_JP_MAGIC; if (jp2_box_put(box, out)) { goto error; } jp2_box_destroy(box); box = 0; /* Output the file type box. */ if (!(box = jp2_box_create(JP2_BOX_FTYP))) { goto error; } ftyp = &box->data.ftyp; ftyp->majver = JP2_FTYP_MAJVER; ftyp->minver = JP2_FTYP_MINVER; ftyp->numcompatcodes = 1; ftyp->compatcodes[0] = JP2_FTYP_COMPATCODE; if (jp2_box_put(box, out)) { goto error; } jp2_box_destroy(box); box = 0; /* * Generate the data portion of the JP2 header box. * We cannot simply output the header for this box * since we do not yet know the correct value for the length * field. */ if (!(tmpstream = jas_stream_memopen(0, 0))) { goto error; } /* Generate image header box. */ if (!(box = jp2_box_create(JP2_BOX_IHDR))) { goto error; } ihdr = &box->data.ihdr; ihdr->width = jas_image_width(image); ihdr->height = jas_image_height(image); ihdr->numcmpts = jas_image_numcmpts(image); ihdr->bpc = allcmptssame ? JP2_SPTOBPC(jas_image_cmptsgnd(image, 0), jas_image_cmptprec(image, 0)) : JP2_IHDR_BPCNULL; ihdr->comptype = JP2_IHDR_COMPTYPE; ihdr->csunk = 0; ihdr->ipr = 0; if (jp2_box_put(box, tmpstream)) { goto error; } jp2_box_destroy(box); box = 0; /* Generate bits per component box. */ if (!allcmptssame) { if (!(box = jp2_box_create(JP2_BOX_BPCC))) { goto error; } bpcc = &box->data.bpcc; bpcc->numcmpts = jas_image_numcmpts(image); if (!(bpcc->bpcs = jas_malloc(bpcc->numcmpts * sizeof(uint_fast8_t)))) { goto error; } for (cmptno = 0; cmptno < bpcc->numcmpts; ++cmptno) { bpcc->bpcs[cmptno] = JP2_SPTOBPC(jas_image_cmptsgnd(image, cmptno), jas_image_cmptprec(image, cmptno)); } if (jp2_box_put(box, tmpstream)) { goto error; } jp2_box_destroy(box); box = 0; } /* Generate color specification box. */ if (!(box = jp2_box_create(JP2_BOX_COLR))) { goto error; } colr = &box->data.colr; switch (jas_image_clrspc(image)) { case JAS_CLRSPC_SRGB: case JAS_CLRSPC_SYCBCR: case JAS_CLRSPC_SGRAY: colr->method = JP2_COLR_ENUM; colr->csid = clrspctojp2(jas_image_clrspc(image)); colr->pri = JP2_COLR_PRI; colr->approx = 0; break; default: colr->method = JP2_COLR_ICC; colr->pri = JP2_COLR_PRI; colr->approx = 0; iccprof = jas_iccprof_createfromcmprof(jas_image_cmprof(image)); assert(iccprof); iccstream = jas_stream_memopen(0, 0); assert(iccstream); if (jas_iccprof_save(iccprof, iccstream)) abort(); if ((pos = jas_stream_tell(iccstream)) < 0) abort(); colr->iccplen = pos; colr->iccp = jas_malloc(pos); assert(colr->iccp); jas_stream_rewind(iccstream); if (jas_stream_read(iccstream, colr->iccp, colr->iccplen) != colr->iccplen) abort(); jas_stream_close(iccstream); jas_iccprof_destroy(iccprof); break; } if (jp2_box_put(box, tmpstream)) { goto error; } jp2_box_destroy(box); box = 0; needcdef = 1; switch (jas_clrspc_fam(jas_image_clrspc(image))) { case JAS_CLRSPC_FAM_RGB: if (jas_image_cmpttype(image, 0) == JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_R) && jas_image_cmpttype(image, 1) == JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_G) && jas_image_cmpttype(image, 2) == JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_RGB_B)) needcdef = 0; break; case JAS_CLRSPC_FAM_YCBCR: if (jas_image_cmpttype(image, 0) == JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_YCBCR_Y) && jas_image_cmpttype(image, 1) == JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_YCBCR_CB) && jas_image_cmpttype(image, 2) == JAS_IMAGE_CT_COLOR(JAS_CLRSPC_CHANIND_YCBCR_CR)) needcdef = 0; break; case JAS_CLRSPC_FAM_GRAY: if (jas_image_cmpttype(image, 0) == JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_GRAY_Y)) needcdef = 0; break; default: abort(); break; } if (needcdef) { if (!(box = jp2_box_create(JP2_BOX_CDEF))) { goto error; } cdef = &box->data.cdef; cdef->numchans = jas_image_numcmpts(image); cdef->ents = jas_malloc(cdef->numchans * sizeof(jp2_cdefchan_t)); for (i = 0; i < jas_image_numcmpts(image); ++i) { cdefchanent = &cdef->ents[i]; cdefchanent->channo = i; typeasoc = jp2_gettypeasoc(jas_image_clrspc(image), jas_image_cmpttype(image, i)); cdefchanent->type = typeasoc >> 16; cdefchanent->assoc = typeasoc & 0x7fff; } if (jp2_box_put(box, tmpstream)) { goto error; } jp2_box_destroy(box); box = 0; } /* Determine the total length of the JP2 header box. */ len = jas_stream_tell(tmpstream); jas_stream_rewind(tmpstream); /* * Output the JP2 header box and all of the boxes which it contains. */ if (!(box = jp2_box_create(JP2_BOX_JP2H))) { goto error; } box->len = len + JP2_BOX_HDRLEN; if (jp2_box_put(box, out)) { goto error; } jp2_box_destroy(box); box = 0; if (jas_stream_copy(out, tmpstream, len)) { goto error; } jas_stream_close(tmpstream); tmpstream = 0; return 0; abort(); error: if (box) { jp2_box_destroy(box); } if (tmpstream) { jas_stream_close(tmpstream); } return -1; }
static int jpc_dec_decodecblk(jpc_dec_t *dec, jpc_dec_tile_t *tile, jpc_dec_tcomp_t *tcomp, jpc_dec_band_t *band, jpc_dec_cblk_t *cblk, int dopartial, int maxlyrs) { jpc_dec_seg_t *seg; int i; int bpno; int passtype; int ret; int compno; int filldata; int fillmask; jpc_dec_ccp_t *ccp; compno = tcomp - tile->tcomps; if (!cblk->flags) { /* Note: matrix is assumed to be zeroed */ if (!(cblk->flags = jas_matrix_create(jas_matrix_numrows(cblk->data) + 2, jas_matrix_numcols(cblk->data) + 2))) { return -1; } } seg = cblk->segs.head; while (seg && (seg != cblk->curseg || dopartial) && (maxlyrs < 0 || seg->lyrno < maxlyrs)) { assert(seg->numpasses >= seg->maxpasses || dopartial); assert(seg->stream); jas_stream_rewind(seg->stream); jas_stream_setrwcount(seg->stream, 0); if (seg->type == JPC_SEG_MQ) { if (!cblk->mqdec) { if (!(cblk->mqdec = jpc_mqdec_create(JPC_NUMCTXS, 0))) { return -1; } jpc_mqdec_setctxs(cblk->mqdec, JPC_NUMCTXS, jpc_mqctxs); } jpc_mqdec_setinput(cblk->mqdec, seg->stream); jpc_mqdec_init(cblk->mqdec); } else { assert(seg->type == JPC_SEG_RAW); if (!cblk->nulldec) { if (!(cblk->nulldec = jpc_bitstream_sopen(seg->stream, "r"))) { assert(0); } } } for (i = 0; i < seg->numpasses; ++i) { if (cblk->numimsbs > band->numbps) { ccp = &tile->cp->ccps[compno]; if (ccp->roishift <= 0) { jas_eprintf("warning: corrupt code stream\n"); } else { if (cblk->numimsbs < ccp->roishift - band->numbps) { jas_eprintf("warning: corrupt code stream\n"); } } } bpno = band->roishift + band->numbps - 1 - (cblk->numimsbs + (seg->passno + i - cblk->firstpassno + 2) / 3); if (bpno < 0) { goto premature_exit; } #if 1 passtype = (seg->passno + i + 2) % 3; #else passtype = JPC_PASSTYPE(seg->passno + i + 2); #endif assert(bpno >= 0 && bpno < 31); switch (passtype) { case JPC_SIGPASS: ret = (seg->type == JPC_SEG_MQ) ? dec_sigpass(dec, cblk->mqdec, bpno, band->orient, (tile->cp->ccps[compno].cblkctx & JPC_COX_VSC) != 0, cblk->flags, cblk->data) : dec_rawsigpass(dec, cblk->nulldec, bpno, (tile->cp->ccps[compno].cblkctx & JPC_COX_VSC) != 0, cblk->flags, cblk->data); break; case JPC_REFPASS: ret = (seg->type == JPC_SEG_MQ) ? dec_refpass(dec, cblk->mqdec, bpno, (tile->cp->ccps[compno].cblkctx & JPC_COX_VSC) != 0, cblk->flags, cblk->data) : dec_rawrefpass(dec, cblk->nulldec, bpno, (tile->cp->ccps[compno].cblkctx & JPC_COX_VSC) != 0, cblk->flags, cblk->data); break; case JPC_CLNPASS: assert(seg->type == JPC_SEG_MQ); ret = dec_clnpass(dec, cblk->mqdec, bpno, band->orient, (tile->cp->ccps[compno].cblkctx & JPC_COX_VSC) != 0, (tile->cp->ccps[compno].cblkctx & JPC_COX_SEGSYM) != 0, cblk->flags, cblk->data); break; default: ret = -1; break; } /* Do we need to reset after each coding pass? */ if (tile->cp->ccps[compno].cblkctx & JPC_COX_RESET) { jpc_mqdec_setctxs(cblk->mqdec, JPC_NUMCTXS, jpc_mqctxs); } if (ret) { jas_eprintf("coding pass failed passtype=%d segtype=%d\n", passtype, seg->type); return -1; } } if (seg->type == JPC_SEG_MQ) { /* Note: dont destroy mq decoder because context info will be lost */ } else { assert(seg->type == JPC_SEG_RAW); if (tile->cp->ccps[compno].cblkctx & JPC_COX_PTERM) { fillmask = 0x7f; filldata = 0x2a; } else { fillmask = 0; filldata = 0; } if ((ret = jpc_bitstream_inalign(cblk->nulldec, fillmask, filldata)) < 0) { return -1; } else if (ret > 0) { jas_eprintf("warning: bad termination pattern detected\n"); } jpc_bitstream_close(cblk->nulldec); cblk->nulldec = 0; } cblk->curseg = seg->next; jpc_seglist_remove(&cblk->segs, seg); jpc_seg_destroy(seg); seg = cblk->curseg; } assert(dopartial ? (!cblk->curseg) : 1); premature_exit: return 0; }
static GstFlowReturn gst_jasper_enc_get_data (GstJasperEnc * enc, guint8 * data, GstBuffer ** outbuf) { GstFlowReturn ret = GST_FLOW_OK; jas_stream_t *stream = NULL; gint i; guint size, boxsize; g_return_val_if_fail (outbuf != NULL, GST_FLOW_ERROR); *outbuf = NULL; boxsize = (enc->mode == GST_JP2ENC_MODE_J2C) ? 8 : 0; if (!(stream = jas_stream_memopen (NULL, 0))) goto fail_stream; for (i = 0; i < enc->channels; ++i) { gint x, y, cwidth, cheight, inc, stride, cmpt; guint8 *row_pix, *in_pix; glong *tb; cmpt = i; inc = enc->inc[i]; stride = enc->stride[i]; cheight = enc->cheight[cmpt]; cwidth = enc->cwidth[cmpt]; GST_LOG_OBJECT (enc, "write component %d<=%d, size %dx%d, offset %d, inc %d, stride %d", i, cmpt, cwidth, cheight, enc->offset[i], inc, stride); row_pix = data + enc->offset[i]; for (y = 0; y < cheight; y++) { in_pix = row_pix; tb = enc->buf; for (x = 0; x < cwidth; x++) { *tb = *in_pix; in_pix += inc; tb++; } if (jas_image_writecmpt2 (enc->image, cmpt, 0, y, cwidth, 1, enc->buf)) goto fail_image; row_pix += stride; } } GST_LOG_OBJECT (enc, "all components written"); if (jas_image_encode (enc->image, stream, enc->fmt, (char *) "sop")) goto fail_encode; GST_LOG_OBJECT (enc, "image encoded"); size = jas_stream_length (stream); ret = gst_pad_alloc_buffer_and_set_caps (enc->srcpad, GST_BUFFER_OFFSET_NONE, size + boxsize, GST_PAD_CAPS (enc->srcpad), outbuf); if (ret != GST_FLOW_OK) goto no_buffer; data = GST_BUFFER_DATA (*outbuf); if (jas_stream_flush (stream) || jas_stream_rewind (stream) < 0 || jas_stream_read (stream, data + boxsize, size) < size) goto fail_image_out; if (boxsize) { /* write atom prefix */ GST_WRITE_UINT32_BE (data, size + 8); GST_WRITE_UINT32_LE (data + 4, GST_MAKE_FOURCC ('j', 'p', '2', 'c')); } done: if (stream) jas_stream_close (stream); return ret; /* ERRORS */ fail_stream: { GST_DEBUG_OBJECT (enc, "Failed to create inputstream."); goto fail; } fail_encode: { GST_DEBUG_OBJECT (enc, "Failed to encode image."); goto fail; } fail_image: { GST_DEBUG_OBJECT (enc, "Failed to process input image."); goto fail; } fail_image_out: { GST_DEBUG_OBJECT (enc, "Failed to process encoded image."); goto fail; } fail: { if (*outbuf) gst_buffer_unref (*outbuf); *outbuf = NULL; GST_ELEMENT_ERROR (enc, STREAM, ENCODE, (NULL), (NULL)); ret = GST_FLOW_ERROR; goto done; } no_buffer: { GST_DEBUG_OBJECT (enc, "Failed to create outbuffer - %s", gst_flow_get_name (ret)); goto done; } }
void jpc_init_t2state(jpc_enc_t *enc, int raflag) { /* It is assumed that band->numbps and cblk->numbps precomputed */ jpc_enc_tcmpt_t *comp; 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; jpc_enc_pass_t *pass; jpc_enc_pass_t *endpasses; jpc_tagtreenode_t *leaf; jpc_enc_tile_t *tile; int prcno; jpc_enc_prc_t *prc; tile = enc->curtile; endcomps = &tile->tcmpts[tile->numtcmpts]; for (comp = tile->tcmpts; comp != endcomps; ++comp) { endlvls = &comp->rlvls[comp->numrlvls]; for (lvl = comp->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; } jpc_tagtree_reset(prc->incltree); jpc_tagtree_reset(prc->nlibtree); endcblks = &prc->cblks[prc->numcblks]; for (cblk = prc->cblks; cblk != endcblks; ++cblk) { if (jas_stream_rewind(cblk->stream)) { assert(0); } cblk->curpass = (cblk->numpasses > 0) ? cblk->passes : 0; cblk->numencpasses = 0; cblk->numlenbits = 3; cblk->numimsbs = band->numbps - cblk->numbps; assert(cblk->numimsbs >= 0); leaf = jpc_tagtree_getleaf(prc->nlibtree, cblk - prc->cblks); jpc_tagtree_setvalue(prc->nlibtree, leaf, cblk->numimsbs); if (raflag) { endpasses = &cblk->passes[cblk->numpasses]; for (pass = cblk->passes; pass != endpasses; ++pass) { pass->lyrno = -1; pass->lyrno = 0; } } } } } } } }
int jp2_encode(jas_image_t *image, jas_stream_t *out, char *optstr) { jp2_box_t *box; jp2_ftyp_t *ftyp; jp2_ihdr_t *ihdr; jas_stream_t *tmpstream; int allcmptssame; jp2_bpcc_t *bpcc; long len; uint_fast16_t cmptno; jp2_colr_t *colr; char buf[4096]; uint_fast32_t overhead; jp2_cdefchan_t *cdefchanent; jp2_cdef_t *cdef; int i; uint_fast32_t typeasoc; box = 0; tmpstream = 0; /* Output the signature box. */ if (!(box = jp2_box_create(JP2_BOX_JP))) { goto error; } box->data.jp.magic = JP2_JP_MAGIC; if (jp2_box_put(box, out)) { goto error; } jp2_box_destroy(box); box = 0; /* Output the file type box. */ if (!(box = jp2_box_create(JP2_BOX_FTYP))) { goto error; } ftyp = &box->data.ftyp; ftyp->majver = JP2_FTYP_MAJVER; ftyp->minver = JP2_FTYP_MINVER; ftyp->numcompatcodes = 1; ftyp->compatcodes[0] = JP2_FTYP_COMPATCODE; if (jp2_box_put(box, out)) { goto error; } jp2_box_destroy(box); box = 0; /* * Generate the data portion of the JP2 header box. * We cannot simply output the header for this box * since we do not yet know the correct value for the length * field. */ if (!(tmpstream = jas_stream_memopen(0, 0))) { goto error; } /* Generate image header box. */ if (!(box = jp2_box_create(JP2_BOX_IHDR))) { goto error; } ihdr = &box->data.ihdr; ihdr->width = jas_image_width(image); ihdr->height = jas_image_height(image); ihdr->numcmpts = jas_image_numcmpts(image); allcmptssame = 0; ihdr->bpc = allcmptssame ? JP2_SPTOBPC(jas_image_cmptsgnd(image, 0), jas_image_cmptprec(image, 0)) : JP2_IHDR_BPCNULL; ihdr->comptype = JP2_IHDR_COMPTYPE; ihdr->csunk = 0; ihdr->ipr = 0; if (jp2_box_put(box, tmpstream)) { goto error; } jp2_box_destroy(box); box = 0; /* Generate bits per component box. */ if (!allcmptssame) { if (!(box = jp2_box_create(JP2_BOX_BPCC))) { goto error; } bpcc = &box->data.bpcc; bpcc->numcmpts = jas_image_numcmpts(image); if (!(bpcc->bpcs = jas_malloc(bpcc->numcmpts * sizeof(uint_fast8_t)))) { goto error; } for (cmptno = 0; cmptno < bpcc->numcmpts; ++cmptno) { bpcc->bpcs[cmptno] = JP2_SPTOBPC(jas_image_cmptsgnd(image, cmptno), jas_image_cmptprec(image, cmptno)); } if (jp2_box_put(box, tmpstream)) { goto error; } jp2_box_destroy(box); box = 0; } /* Generate color specification box. */ if (!(box = jp2_box_create(JP2_BOX_COLR))) { goto error; } colr = &box->data.colr; colr->method = JP2_COLR_ENUM; colr->pri = JP2_COLR_PRI; colr->approx = 0; colr->csid = (jas_image_colorspace(image) == JAS_IMAGE_CS_RGB) ? JP2_COLR_SRGB : JP2_COLR_SGRAY; if (jp2_box_put(box, tmpstream)) { goto error; } jp2_box_destroy(box); box = 0; if (!(jas_image_colorspace(image) == JAS_IMAGE_CS_RGB && jas_image_numcmpts(image) == 3 && jas_image_getcmptbytype(image, 0) == JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_RGB_R) && jas_image_getcmptbytype(image, 1) == JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_RGB_G) && jas_image_getcmptbytype(image, 2) == JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_RGB_B)) && !(jas_image_colorspace(image) == JAS_IMAGE_CS_YCBCR && jas_image_numcmpts(image) != 3 && jas_image_getcmptbytype(image, 0) == JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_YCBCR_Y) && jas_image_getcmptbytype(image, 1) == JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_YCBCR_CB) && jas_image_getcmptbytype(image, 2) == JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_YCBCR_CR)) && !(jas_image_colorspace(image) == JAS_IMAGE_CS_GRAY && jas_image_numcmpts(image) == 1 && jas_image_getcmptbytype(image, 0) == JAS_IMAGE_CT_COLOR(JAS_IMAGE_CT_GRAY_Y))) { if (!(box = jp2_box_create(JP2_BOX_CDEF))) { goto error; } cdef = &box->data.cdef; cdef->numchans = jas_image_numcmpts(image); cdef->ents = jas_malloc(cdef->numchans * sizeof(jp2_cdefchan_t)); for (i = 0; i < jas_image_numcmpts(image); ++i) { cdefchanent = &cdef->ents[i]; cdefchanent->channo = i; typeasoc = jp2_gettypeasoc(jas_image_colorspace(image), jas_image_cmpttype(image, i)); cdefchanent->type = typeasoc >> 16; cdefchanent->assoc = typeasoc & 0x7fff; } jp2_box_destroy(box); box = 0; } /* Determine the total length of the JP2 header box. */ len = jas_stream_tell(tmpstream); jas_stream_rewind(tmpstream); /* * Output the JP2 header box and all of the boxes which it contains. */ if (!(box = jp2_box_create(JP2_BOX_JP2H))) { goto error; } box->len = len + JP2_BOX_HDRLEN; if (jp2_box_put(box, out)) { goto error; } jp2_box_destroy(box); box = 0; if (jas_stream_copy(out, tmpstream, len)) { goto error; } jas_stream_close(tmpstream); tmpstream = 0; /* * Output the contiguous code stream box. */ if (!(box = jp2_box_create(JP2_BOX_JP2C))) { goto error; } box->len = 0; if (jp2_box_put(box, out)) { goto error; } jp2_box_destroy(box); box = 0; /* Output the JPEG-2000 code stream. */ overhead = jas_stream_getrwcount(out); sprintf(buf, "%s\n_jp2overhead=%lu\n", (optstr ? optstr : ""), (unsigned long) overhead); if (jpc_encode(image, out, buf)) { goto error; } return 0; abort(); error: if (box) { jp2_box_destroy(box); } if (tmpstream) { jas_stream_close(tmpstream); } return -1; }
int img_dat_generate(IMG_DAT **oimg_dat, jas_image_t *image) { IMG_DAT *img_dat; int i; int cmptscnt; int rwcnt; int max_hor, max_vrt; /* Allocate memory for image data structure. */ img_dat = (IMG_DAT *)calloc(1, sizeof(IMG_DAT)); if(img_dat == NULL){ fprintf(stderr, "ERROR : img_dat_generate : " "calloc : img_dat (%lu bytes)\n", (unsigned long)sizeof(IMG_DAT)); return(-2); } /* Get component count. */ cmptscnt = jas_image_numcmpts(image); /* Initialize img_dat info */ img_dat->max_width = jas_image_brx(image); img_dat->max_height = jas_image_bry(image); img_dat->ppi = -1; img_dat->intrlv = 0; img_dat->n_cmpnts = cmptscnt; img_dat->cmpnt_depth = jas_image_cmptprec(image, 0); max_hor = -1; max_vrt = -1; img_dat->pix_depth = 0; for(i = 0; i < cmptscnt; i++){ int cdepth; img_dat->hor_sampfctr[i] = 1; img_dat->vrt_sampfctr[i] = 1; cdepth = jas_image_cmptprec(image, i); img_dat->pix_depth += cdepth; if (cdepth != img_dat->cmpnt_depth) { fprintf(stderr, "WARNING : img_dat_generate: " "unequal component depths, 0: %d and %d: %d\n", i, cdepth, jas_image_cmptprec(image, i)); } if(max_hor < img_dat->hor_sampfctr[i]) max_hor = img_dat->hor_sampfctr[i]; if(max_vrt < img_dat->vrt_sampfctr[i]) max_vrt = img_dat->vrt_sampfctr[i]; } for(i = 0; i < img_dat->n_cmpnts; i++){ img_dat->samp_width[i] = (int)ceil(img_dat->max_width * (img_dat->hor_sampfctr[i]/(double)max_hor)); img_dat->samp_height[i] = (int)ceil(img_dat->max_height * (img_dat->vrt_sampfctr[i]/(double)max_vrt)); } /* Put the image raw pixels to image data sturcture component plains. */ cmptscnt = jas_image_numcmpts(image); for (i = 0; i < cmptscnt; i++){ jas_stream_rewind(image->cmpts_[i]->stream_); rwcnt = jas_stream_getrwcount(image->cmpts_[i]->stream_) - 1; img_dat->image[i] = (unsigned char *)malloc(rwcnt * sizeof(unsigned char)); if(img_dat->image[i] == NULL){ fprintf(stderr, "ERROR : get_raw_image: " "calloc : img_dat->image[%d] (%lu bytes)\n", i, (unsigned long)(rwcnt * sizeof(unsigned char))); return(-3); } jas_stream_read(image->cmpts_[i]->stream_, img_dat->image[i], rwcnt); } *oimg_dat = img_dat; return(0); }