int jp2_write_codestream(jas_image_t *image, jas_stream_t *out, char *optstr) { jp2_box_t *box; char buf[4096]; uint_fast32_t overhead; /* * 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); } return -1; }
static void jp2_dec_destroy(jp2_dec_t *dec) { if (dec->ihdr) { jp2_box_destroy(dec->ihdr); } if (dec->bpcc) { jp2_box_destroy(dec->bpcc); } if (dec->cdef) { jp2_box_destroy(dec->cdef); } if (dec->pclr) { jp2_box_destroy(dec->pclr); } if (dec->image) { jas_image_destroy(dec->image); } if (dec->cmap) { jp2_box_destroy(dec->cmap); } if (dec->colr) { jp2_box_destroy(dec->colr); } if (dec->chantocmptlut) { jas_free(dec->chantocmptlut); } jas_free(dec); }
static void jp2_dec_destroy(jp2_dec_t *dec) { if (dec->ihdr) { jp2_box_destroy(dec->ihdr); } if (dec->bpcc) { jp2_box_destroy(dec->bpcc); } if (dec->cdef) { jp2_box_destroy(dec->cdef); } if (dec->pclr) { jp2_box_destroy(dec->pclr); } #ifdef ENABLE_JASPER_IMAGE if (dec->image) { jas_image_destroy(dec->image); } #endif /* ENABLE_JASPER_IMAGE */ if (dec->cmap) { jp2_box_destroy(dec->cmap); } if (dec->colr) { jp2_box_destroy(dec->colr); } if (dec->chantocmptlut) { jas_free(dec->chantocmptlut); } jas_free(dec); }
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; }
jas_image_t *jp2_decode(jas_stream_t *in, char *optstr) { jp2_box_t *box; int found; jas_image_t *image; jp2_dec_t *dec; bool samedtype; int dtype; unsigned int i; jp2_cmap_t *cmapd; jp2_pclr_t *pclrd; jp2_cdef_t *cdefd; unsigned int channo; int newcmptno; int_fast32_t *lutents; #if 0 jp2_cdefchan_t *cdefent; int cmptno; #endif jp2_cmapent_t *cmapent; jas_icchdr_t icchdr; jas_iccprof_t *iccprof; dec = 0; box = 0; image = 0; if (!(dec = jp2_dec_create())) { goto error; } /* Get the first box. This should be a JP box. */ if (!(box = jp2_box_get(in))) { jas_eprintf("error: cannot get box\n"); goto error; } if (box->type != JP2_BOX_JP) { jas_eprintf("error: expecting signature box\n"); goto error; } if (box->data.jp.magic != JP2_JP_MAGIC) { jas_eprintf("incorrect magic number\n"); goto error; } jp2_box_destroy(box); box = 0; /* Get the second box. This should be a FTYP box. */ if (!(box = jp2_box_get(in))) { goto error; } if (box->type != JP2_BOX_FTYP) { jas_eprintf("expecting file type box\n"); goto error; } jp2_box_destroy(box); box = 0; /* Get more boxes... */ found = 0; while ((box = jp2_box_get(in))) { if (jas_getdbglevel() >= 1) { jas_eprintf("box type %s\n", box->info->name); } switch (box->type) { case JP2_BOX_JP2C: found = 1; break; case JP2_BOX_IHDR: if (!dec->ihdr) { dec->ihdr = box; box = 0; } break; case JP2_BOX_BPCC: if (!dec->bpcc) { dec->bpcc = box; box = 0; } break; case JP2_BOX_CDEF: if (!dec->cdef) { dec->cdef = box; box = 0; } break; case JP2_BOX_PCLR: if (!dec->pclr) { dec->pclr = box; box = 0; } break; case JP2_BOX_CMAP: if (!dec->cmap) { dec->cmap = box; box = 0; } break; case JP2_BOX_COLR: if (!dec->colr) { dec->colr = box; box = 0; } break; } if (box) { jp2_box_destroy(box); box = 0; } if (found) { break; } } if (!found) { jas_eprintf("error: no code stream found\n"); goto error; } if (!(dec->image = jpc_decode(in, optstr))) { jas_eprintf("error: cannot decode code stream\n"); goto error; } /* An IHDR box must be present. */ if (!dec->ihdr) { jas_eprintf("error: missing IHDR box\n"); goto error; } /* Does the number of components indicated in the IHDR box match the value specified in the code stream? */ if (dec->ihdr->data.ihdr.numcmpts != JAS_CAST(uint, jas_image_numcmpts(dec->image))) { jas_eprintf("warning: number of components mismatch\n"); } /* At least one component must be present. */ if (!jas_image_numcmpts(dec->image)) { jas_eprintf("error: no components\n"); goto error; } /* Determine if all components have the same data type. */ samedtype = true; dtype = jas_image_cmptdtype(dec->image, 0); for (i = 1; i < JAS_CAST(uint, jas_image_numcmpts(dec->image)); ++i) { if (jas_image_cmptdtype(dec->image, i) != dtype) { samedtype = false; break; } } /* Is the component data type indicated in the IHDR box consistent with the data in the code stream? */ if ((samedtype && dec->ihdr->data.ihdr.bpc != JP2_DTYPETOBPC(dtype)) || (!samedtype && dec->ihdr->data.ihdr.bpc != JP2_IHDR_BPCNULL)) { jas_eprintf("warning: component data type mismatch\n"); } /* Is the compression type supported? */ if (dec->ihdr->data.ihdr.comptype != JP2_IHDR_COMPTYPE) { jas_eprintf("error: unsupported compression type\n"); goto error; } if (dec->bpcc) { /* Is the number of components indicated in the BPCC box consistent with the code stream data? */ if (dec->bpcc->data.bpcc.numcmpts != JAS_CAST(uint, jas_image_numcmpts( dec->image))) { jas_eprintf("warning: number of components mismatch\n"); } /* Is the component data type information indicated in the BPCC box consistent with the code stream data? */ if (!samedtype) { for (i = 0; i < JAS_CAST(uint, jas_image_numcmpts(dec->image)); ++i) { if (jas_image_cmptdtype(dec->image, i) != JP2_BPCTODTYPE(dec->bpcc->data.bpcc.bpcs[i])) { jas_eprintf("warning: component data type mismatch\n"); } } } else { jas_eprintf("warning: superfluous BPCC box\n"); } } /* A COLR box must be present. */ if (!dec->colr) { jas_eprintf("error: no COLR box\n"); goto error; } switch (dec->colr->data.colr.method) { case JP2_COLR_ENUM: jas_image_setclrspc(dec->image, jp2_getcs(&dec->colr->data.colr)); break; case JP2_COLR_ICC: iccprof = jas_iccprof_createfrombuf(dec->colr->data.colr.iccp, dec->colr->data.colr.iccplen); assert(iccprof); jas_iccprof_gethdr(iccprof, &icchdr); jas_eprintf("ICC Profile CS %08x\n", icchdr.colorspc); jas_image_setclrspc(dec->image, fromiccpcs(icchdr.colorspc)); dec->image->cmprof_ = jas_cmprof_createfromiccprof(iccprof); assert(dec->image->cmprof_); jas_iccprof_destroy(iccprof); break; } /* If a CMAP box is present, a PCLR box must also be present. */ if (dec->cmap && !dec->pclr) { jas_eprintf("warning: missing PCLR box or superfluous CMAP box\n"); jp2_box_destroy(dec->cmap); dec->cmap = 0; } /* If a CMAP box is not present, a PCLR box must not be present. */ if (!dec->cmap && dec->pclr) { jas_eprintf("warning: missing CMAP box or superfluous PCLR box\n"); jp2_box_destroy(dec->pclr); dec->pclr = 0; } /* Determine the number of channels (which is essentially the number of components after any palette mappings have been applied). */ dec->numchans = dec->cmap ? dec->cmap->data.cmap.numchans : JAS_CAST(uint, jas_image_numcmpts(dec->image)); /* Perform a basic sanity check on the CMAP box if present. */ if (dec->cmap) { for (i = 0; i < dec->numchans; ++i) { /* Is the component number reasonable? */ if (dec->cmap->data.cmap.ents[i].cmptno >= JAS_CAST(uint, jas_image_numcmpts(dec->image))) { jas_eprintf("error: invalid component number in CMAP box\n"); goto error; } /* Is the LUT index reasonable? */ if (dec->cmap->data.cmap.ents[i].pcol >= dec->pclr->data.pclr.numchans) { jas_eprintf("error: invalid CMAP LUT index\n"); goto error; } } } /* Allocate space for the channel-number to component-number LUT. */ if (!(dec->chantocmptlut = jas_malloc(dec->numchans * sizeof(uint_fast16_t)))) { jas_eprintf("error: no memory\n"); goto error; } if (!dec->cmap) { for (i = 0; i < dec->numchans; ++i) { dec->chantocmptlut[i] = i; } } else { cmapd = &dec->cmap->data.cmap; pclrd = &dec->pclr->data.pclr; cdefd = &dec->cdef->data.cdef; for (channo = 0; channo < cmapd->numchans; ++channo) { cmapent = &cmapd->ents[channo]; if (cmapent->map == JP2_CMAP_DIRECT) { dec->chantocmptlut[channo] = channo; } else if (cmapent->map == JP2_CMAP_PALETTE) { lutents = jas_malloc(pclrd->numlutents * sizeof(int_fast32_t)); for (i = 0; i < pclrd->numlutents; ++i) { lutents[i] = pclrd->lutdata[cmapent->pcol + i * pclrd->numchans]; } newcmptno = jas_image_numcmpts(dec->image); jas_image_depalettize(dec->image, cmapent->cmptno, pclrd->numlutents, lutents, JP2_BPCTODTYPE(pclrd->bpc[cmapent->pcol]), newcmptno); dec->chantocmptlut[channo] = newcmptno; jas_free(lutents); #if 0 if (dec->cdef) { cdefent = jp2_cdef_lookup(cdefd, channo); if (!cdefent) { abort(); } jas_image_setcmpttype(dec->image, newcmptno, jp2_getct(jas_image_clrspc(dec->image), cdefent->type, cdefent->assoc)); } else { jas_image_setcmpttype(dec->image, newcmptno, jp2_getct(jas_image_clrspc(dec->image), 0, channo + 1)); } #endif } } } /* Mark all components as being of unknown type. */ for (i = 0; i < JAS_CAST(uint, jas_image_numcmpts(dec->image)); ++i) { jas_image_setcmpttype(dec->image, i, JAS_IMAGE_CT_UNKNOWN); } /* Determine the type of each component. */ if (dec->cdef) { for (i = 0; i < dec->numchans; ++i) { jas_image_setcmpttype(dec->image, dec->chantocmptlut[dec->cdef->data.cdef.ents[i].channo], jp2_getct(jas_image_clrspc(dec->image), dec->cdef->data.cdef.ents[i].type, dec->cdef->data.cdef.ents[i].assoc)); } } else { for (i = 0; i < dec->numchans; ++i) { jas_image_setcmpttype(dec->image, dec->chantocmptlut[i], jp2_getct(jas_image_clrspc(dec->image), 0, i + 1)); } } /* Delete any components that are not of interest. */ for (i = jas_image_numcmpts(dec->image); i > 0; --i) { if (jas_image_cmpttype(dec->image, i - 1) == JAS_IMAGE_CT_UNKNOWN) { jas_image_delcmpt(dec->image, i - 1); } } /* Ensure that some components survived. */ if (!jas_image_numcmpts(dec->image)) { jas_eprintf("error: no components\n"); goto error; } #if 0 jas_eprintf("no of components is %d\n", jas_image_numcmpts(dec->image)); #endif /* Prevent the image from being destroyed later. */ image = dec->image; dec->image = 0; jp2_dec_destroy(dec); return image; error: if (box) { jp2_box_destroy(box); } if (dec) { jp2_dec_destroy(dec); } return 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; }