1054 lines
31 KiB
C
1054 lines
31 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* Contributor(s): Campbell Barton
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file blender/imbuf/intern/jp2.c
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* \ingroup imbuf
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*/
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#include "MEM_guardedalloc.h"
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#include "BLI_math.h"
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#include "BLI_fileops.h"
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#include "IMB_imbuf_types.h"
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#include "IMB_imbuf.h"
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#include "IMB_filetype.h"
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#include "IMB_colormanagement.h"
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#include "IMB_colormanagement_intern.h"
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#include "openjpeg.h"
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// #define JP2_FILEHEADER_SIZE 14 /* UNUSED */
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static const char JP2_HEAD[] = {0x0, 0x0, 0x0, 0x0C, 0x6A, 0x50, 0x20, 0x20, 0x0D, 0x0A, 0x87, 0x0A};
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static const char J2K_HEAD[] = {0xFF, 0x4F, 0xFF, 0x51, 0x00};
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/* We only need this because of how the presets are set */
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/* this typedef is copied from 'openjpeg-1.5.0/applications/codec/image_to_j2k.c' */
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typedef struct img_folder {
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/** The directory path of the folder containing input images*/
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char *imgdirpath;
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/** Output format*/
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char *out_format;
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/** Enable option*/
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char set_imgdir;
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/** Enable Cod Format for output*/
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char set_out_format;
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/** User specified rate stored in case of cinema option*/
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float *rates;
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} img_fol_t;
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enum {
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DCP_CINEMA2K = 3,
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DCP_CINEMA4K = 4,
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};
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static int check_jp2(const unsigned char *mem) /* J2K_CFMT */
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{
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return memcmp(JP2_HEAD, mem, sizeof(JP2_HEAD)) ? 0 : 1;
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}
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static int check_j2k(const unsigned char *mem) /* J2K_CFMT */
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{
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return memcmp(J2K_HEAD, mem, sizeof(J2K_HEAD)) ? 0 : 1;
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}
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int imb_is_a_jp2(const unsigned char *buf)
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{
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return check_jp2(buf);
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}
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/**
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* sample error callback expecting a FILE* client object
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*/
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static void error_callback(const char *msg, void *client_data)
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{
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FILE *stream = (FILE *)client_data;
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fprintf(stream, "[ERROR] %s", msg);
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}
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/**
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* sample warning callback expecting a FILE* client object
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*/
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static void warning_callback(const char *msg, void *client_data)
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{
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FILE *stream = (FILE *)client_data;
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fprintf(stream, "[WARNING] %s", msg);
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}
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/**
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* sample debug callback expecting no client object
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*/
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static void info_callback(const char *msg, void *client_data)
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{
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(void)client_data;
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fprintf(stdout, "[INFO] %s", msg);
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}
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# define PIXEL_LOOPER_BEGIN(_rect) \
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for (y = h - 1; y != (unsigned int)(-1); y--) { \
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for (i = y * w, i_next = (y + 1) * w; \
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i < i_next; \
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i++, _rect += 4) \
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{ \
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# define PIXEL_LOOPER_BEGIN_CHANNELS(_rect, _channels) \
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for (y = h - 1; y != (unsigned int)(-1); y--) { \
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for (i = y * w, i_next = (y + 1) * w; \
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i < i_next; \
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i++, _rect += _channels) \
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{ \
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# define PIXEL_LOOPER_END \
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} \
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} (void)0 \
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struct ImBuf *imb_jp2_decode(const unsigned char *mem, size_t size, int flags, char colorspace[IM_MAX_SPACE])
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{
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struct ImBuf *ibuf = NULL;
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bool use_float = false; /* for precision higher then 8 use float */
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bool use_alpha = false;
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long signed_offsets[4] = {0, 0, 0, 0};
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int float_divs[4] = {1, 1, 1, 1};
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unsigned int i, i_next, w, h, planes;
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unsigned int y;
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int *r, *g, *b, *a; /* matching 'opj_image_comp.data' type */
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int is_jp2, is_j2k;
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opj_dparameters_t parameters; /* decompression parameters */
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opj_event_mgr_t event_mgr; /* event manager */
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opj_image_t *image = NULL;
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opj_dinfo_t *dinfo = NULL; /* handle to a decompressor */
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opj_cio_t *cio = NULL;
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is_jp2 = check_jp2(mem);
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is_j2k = check_j2k(mem);
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if (!is_jp2 && !is_j2k)
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return(NULL);
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/* both 8, 12 and 16 bit JP2Ks are default to standard byte colorspace */
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colorspace_set_default_role(colorspace, IM_MAX_SPACE, COLOR_ROLE_DEFAULT_BYTE);
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/* configure the event callbacks (not required) */
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memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
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event_mgr.error_handler = error_callback;
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event_mgr.warning_handler = warning_callback;
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event_mgr.info_handler = info_callback;
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/* set decoding parameters to default values */
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opj_set_default_decoder_parameters(¶meters);
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/* JPEG 2000 compressed image data */
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/* get a decoder handle */
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dinfo = opj_create_decompress(is_jp2 ? CODEC_JP2 : CODEC_J2K);
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/* catch events using our callbacks and give a local context */
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opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
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/* setup the decoder decoding parameters using the current image and user parameters */
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opj_setup_decoder(dinfo, ¶meters);
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/* open a byte stream */
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/* note, we can't avoid removing 'const' cast here */
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cio = opj_cio_open((opj_common_ptr)dinfo, (unsigned char *)mem, size);
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/* decode the stream and fill the image structure */
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image = opj_decode(dinfo, cio);
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if (!image) {
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fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n");
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opj_destroy_decompress(dinfo);
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opj_cio_close(cio);
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return NULL;
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}
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/* close the byte stream */
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opj_cio_close(cio);
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if ((image->numcomps * image->x1 * image->y1) == 0) {
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fprintf(stderr, "\nError: invalid raw image parameters\n");
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return NULL;
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}
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w = image->comps[0].w;
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h = image->comps[0].h;
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switch (image->numcomps) {
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case 1: /* Grayscale */
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case 3: /* Color */
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planes = 24;
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use_alpha = false;
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break;
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default: /* 2 or 4 - Grayscale or Color + alpha */
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planes = 32; /* grayscale + alpha */
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use_alpha = true;
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break;
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}
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i = image->numcomps;
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if (i > 4) i = 4;
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while (i) {
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i--;
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if (image->comps[i].prec > 8)
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use_float = true;
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if (image->comps[i].sgnd)
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signed_offsets[i] = 1 << (image->comps[i].prec - 1);
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/* only needed for float images but dosnt hurt to calc this */
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float_divs[i] = (1 << image->comps[i].prec) - 1;
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}
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ibuf = IMB_allocImBuf(w, h, planes, use_float ? IB_rectfloat : IB_rect);
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if (ibuf == NULL) {
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if (dinfo)
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opj_destroy_decompress(dinfo);
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return NULL;
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}
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ibuf->ftype = IMB_FTYPE_JP2;
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if (is_jp2)
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ibuf->foptions.flag |= JP2_JP2;
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else
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ibuf->foptions.flag |= JP2_J2K;
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if (use_float) {
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float *rect_float = ibuf->rect_float;
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if (image->numcomps < 3) {
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r = image->comps[0].data;
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a = (use_alpha) ? image->comps[1].data : NULL;
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/* grayscale 12bits+ */
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if (use_alpha) {
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a = image->comps[1].data;
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PIXEL_LOOPER_BEGIN(rect_float) {
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rect_float[0] = rect_float[1] = rect_float[2] = (float)(r[i] + signed_offsets[0]) / float_divs[0];
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rect_float[3] = (a[i] + signed_offsets[1]) / float_divs[1];
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}
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PIXEL_LOOPER_END;
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}
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else {
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PIXEL_LOOPER_BEGIN(rect_float) {
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rect_float[0] = rect_float[1] = rect_float[2] = (float)(r[i] + signed_offsets[0]) / float_divs[0];
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rect_float[3] = 1.0f;
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}
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PIXEL_LOOPER_END;
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}
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}
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else {
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r = image->comps[0].data;
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g = image->comps[1].data;
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b = image->comps[2].data;
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/* rgb or rgba 12bits+ */
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if (use_alpha) {
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a = image->comps[3].data;
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PIXEL_LOOPER_BEGIN(rect_float) {
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rect_float[0] = (float)(r[i] + signed_offsets[0]) / float_divs[0];
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rect_float[1] = (float)(g[i] + signed_offsets[1]) / float_divs[1];
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rect_float[2] = (float)(b[i] + signed_offsets[2]) / float_divs[2];
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rect_float[3] = (float)(a[i] + signed_offsets[3]) / float_divs[3];
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}
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PIXEL_LOOPER_END;
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}
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else {
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PIXEL_LOOPER_BEGIN(rect_float) {
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rect_float[0] = (float)(r[i] + signed_offsets[0]) / float_divs[0];
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rect_float[1] = (float)(g[i] + signed_offsets[1]) / float_divs[1];
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rect_float[2] = (float)(b[i] + signed_offsets[2]) / float_divs[2];
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rect_float[3] = 1.0f;
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}
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PIXEL_LOOPER_END;
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}
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}
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}
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else {
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unsigned char *rect_uchar = (unsigned char *)ibuf->rect;
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if (image->numcomps < 3) {
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r = image->comps[0].data;
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a = (use_alpha) ? image->comps[1].data : NULL;
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/* grayscale */
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if (use_alpha) {
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a = image->comps[3].data;
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PIXEL_LOOPER_BEGIN(rect_uchar) {
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rect_uchar[0] = rect_uchar[1] = rect_uchar[2] = (r[i] + signed_offsets[0]);
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rect_uchar[3] = a[i] + signed_offsets[1];
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}
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PIXEL_LOOPER_END;
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}
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else {
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PIXEL_LOOPER_BEGIN(rect_uchar) {
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rect_uchar[0] = rect_uchar[1] = rect_uchar[2] = (r[i] + signed_offsets[0]);
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rect_uchar[3] = 255;
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}
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PIXEL_LOOPER_END;
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}
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}
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else {
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r = image->comps[0].data;
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g = image->comps[1].data;
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b = image->comps[2].data;
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/* 8bit rgb or rgba */
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if (use_alpha) {
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a = image->comps[3].data;
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PIXEL_LOOPER_BEGIN(rect_uchar) {
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rect_uchar[0] = r[i] + signed_offsets[0];
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rect_uchar[1] = g[i] + signed_offsets[1];
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rect_uchar[2] = b[i] + signed_offsets[2];
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rect_uchar[3] = a[i] + signed_offsets[3];
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}
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PIXEL_LOOPER_END;
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}
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else {
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PIXEL_LOOPER_BEGIN(rect_uchar) {
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rect_uchar[0] = r[i] + signed_offsets[0];
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rect_uchar[1] = g[i] + signed_offsets[1];
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rect_uchar[2] = b[i] + signed_offsets[2];
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rect_uchar[3] = 255;
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}
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PIXEL_LOOPER_END;
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}
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}
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}
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/* free remaining structures */
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if (dinfo) {
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opj_destroy_decompress(dinfo);
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}
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/* free image data structure */
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opj_image_destroy(image);
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if (flags & IB_rect) {
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IMB_rect_from_float(ibuf);
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}
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return(ibuf);
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}
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//static opj_image_t* rawtoimage(const char *filename, opj_cparameters_t *parameters, raw_cparameters_t *raw_cp)
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/* prec can be 8, 12, 16 */
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/* use inline because the float passed can be a function call that would end up being called many times */
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#if 0
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#define UPSAMPLE_8_TO_12(_val) ((_val << 4) | (_val & ((1 << 4) - 1)))
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#define UPSAMPLE_8_TO_16(_val) ((_val << 8) + _val)
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#define DOWNSAMPLE_FLOAT_TO_8BIT(_val) (_val) <= 0.0f ? 0 : ((_val) >= 1.0f ? 255 : (int)(255.0f * (_val)))
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#define DOWNSAMPLE_FLOAT_TO_12BIT(_val) (_val) <= 0.0f ? 0 : ((_val) >= 1.0f ? 4095 : (int)(4095.0f * (_val)))
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#define DOWNSAMPLE_FLOAT_TO_16BIT(_val) (_val) <= 0.0f ? 0 : ((_val) >= 1.0f ? 65535 : (int)(65535.0f * (_val)))
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#else
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BLI_INLINE int UPSAMPLE_8_TO_12(const unsigned char _val)
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{
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return (_val << 4) | (_val & ((1 << 4) - 1));
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}
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BLI_INLINE int UPSAMPLE_8_TO_16(const unsigned char _val)
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{
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return (_val << 8) + _val;
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}
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BLI_INLINE int DOWNSAMPLE_FLOAT_TO_8BIT(const float _val)
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{
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return (_val) <= 0.0f ? 0 : ((_val) >= 1.0f ? 255 : (int)(255.0f * (_val)));
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}
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BLI_INLINE int DOWNSAMPLE_FLOAT_TO_12BIT(const float _val)
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{
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return (_val) <= 0.0f ? 0 : ((_val) >= 1.0f ? 4095 : (int)(4095.0f * (_val)));
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}
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BLI_INLINE int DOWNSAMPLE_FLOAT_TO_16BIT(const float _val)
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{
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return (_val) <= 0.0f ? 0 : ((_val) >= 1.0f ? 65535 : (int)(65535.0f * (_val)));
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}
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#endif
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/*
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* 2048x1080 (2K) at 24 fps or 48 fps, or 4096x2160 (4K) at 24 fps; 3x12 bits per pixel, XYZ color space
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*
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* - In 2K, for Scope (2.39:1) presentation 2048x858 pixels of the image is used
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* - In 2K, for Flat (1.85:1) presentation 1998x1080 pixels of the image is used
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*/
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/* ****************************** COPIED FROM image_to_j2k.c */
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/* ----------------------------------------------------------------------- */
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#define CINEMA_24_CS 1302083 /*Codestream length for 24fps*/
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#define CINEMA_48_CS 651041 /*Codestream length for 48fps*/
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#define COMP_24_CS 1041666 /*Maximum size per color component for 2K & 4K @ 24fps*/
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#define COMP_48_CS 520833 /*Maximum size per color component for 2K @ 48fps*/
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static int initialise_4K_poc(opj_poc_t *POC, int numres)
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{
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POC[0].tile = 1;
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POC[0].resno0 = 0;
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POC[0].compno0 = 0;
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POC[0].layno1 = 1;
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POC[0].resno1 = numres - 1;
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POC[0].compno1 = 3;
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POC[0].prg1 = CPRL;
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POC[1].tile = 1;
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POC[1].resno0 = numres - 1;
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POC[1].compno0 = 0;
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POC[1].layno1 = 1;
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POC[1].resno1 = numres;
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POC[1].compno1 = 3;
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POC[1].prg1 = CPRL;
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return 2;
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}
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static void cinema_parameters(opj_cparameters_t *parameters)
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{
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parameters->tile_size_on = 0; /* false */
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parameters->cp_tdx = 1;
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parameters->cp_tdy = 1;
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/*Tile part*/
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parameters->tp_flag = 'C';
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parameters->tp_on = 1;
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/*Tile and Image shall be at (0, 0)*/
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parameters->cp_tx0 = 0;
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parameters->cp_ty0 = 0;
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parameters->image_offset_x0 = 0;
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parameters->image_offset_y0 = 0;
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/*Codeblock size = 32 * 32*/
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parameters->cblockw_init = 32;
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parameters->cblockh_init = 32;
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parameters->csty |= 0x01;
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/*The progression order shall be CPRL*/
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parameters->prog_order = CPRL;
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/* No ROI */
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parameters->roi_compno = -1;
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parameters->subsampling_dx = 1; parameters->subsampling_dy = 1;
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/* 9-7 transform */
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parameters->irreversible = 1;
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}
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static void cinema_setup_encoder(opj_cparameters_t *parameters, opj_image_t *image, img_fol_t *img_fol)
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{
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int i;
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float temp_rate;
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switch (parameters->cp_cinema) {
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case CINEMA2K_24:
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case CINEMA2K_48:
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if (parameters->numresolution > 6) {
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parameters->numresolution = 6;
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}
|
|
if (!((image->comps[0].w == 2048) || (image->comps[0].h == 1080))) {
|
|
fprintf(stdout, "Image coordinates %d x %d is not 2K compliant.\nJPEG Digital Cinema Profile-3 "
|
|
"(2K profile) compliance requires that at least one of coordinates match 2048 x 1080\n",
|
|
image->comps[0].w, image->comps[0].h);
|
|
parameters->cp_rsiz = STD_RSIZ;
|
|
}
|
|
else {
|
|
parameters->cp_rsiz = DCP_CINEMA2K;
|
|
}
|
|
break;
|
|
|
|
case CINEMA4K_24:
|
|
if (parameters->numresolution < 1) {
|
|
parameters->numresolution = 1;
|
|
}
|
|
else if (parameters->numresolution > 7) {
|
|
parameters->numresolution = 7;
|
|
}
|
|
if (!((image->comps[0].w == 4096) || (image->comps[0].h == 2160))) {
|
|
fprintf(stdout, "Image coordinates %d x %d is not 4K compliant.\nJPEG Digital Cinema Profile-4"
|
|
"(4K profile) compliance requires that at least one of coordinates match 4096 x 2160\n",
|
|
image->comps[0].w, image->comps[0].h);
|
|
parameters->cp_rsiz = STD_RSIZ;
|
|
}
|
|
else {
|
|
parameters->cp_rsiz = DCP_CINEMA2K;
|
|
}
|
|
parameters->numpocs = initialise_4K_poc(parameters->POC, parameters->numresolution);
|
|
break;
|
|
case OFF:
|
|
/* do nothing */
|
|
break;
|
|
}
|
|
|
|
switch (parameters->cp_cinema) {
|
|
case CINEMA2K_24:
|
|
case CINEMA4K_24:
|
|
for (i = 0; i < parameters->tcp_numlayers; i++) {
|
|
temp_rate = 0;
|
|
if (img_fol->rates[i] == 0) {
|
|
parameters->tcp_rates[0] = ((float) (image->numcomps * image->comps[0].w * image->comps[0].h * image->comps[0].prec)) /
|
|
(CINEMA_24_CS * 8 * image->comps[0].dx * image->comps[0].dy);
|
|
}
|
|
else {
|
|
temp_rate = ((float) (image->numcomps * image->comps[0].w * image->comps[0].h * image->comps[0].prec)) /
|
|
(img_fol->rates[i] * 8 * image->comps[0].dx * image->comps[0].dy);
|
|
if (temp_rate > CINEMA_24_CS) {
|
|
parameters->tcp_rates[i] = ((float) (image->numcomps * image->comps[0].w * image->comps[0].h * image->comps[0].prec)) /
|
|
(CINEMA_24_CS * 8 * image->comps[0].dx * image->comps[0].dy);
|
|
}
|
|
else {
|
|
parameters->tcp_rates[i] = img_fol->rates[i];
|
|
}
|
|
}
|
|
}
|
|
parameters->max_comp_size = COMP_24_CS;
|
|
break;
|
|
|
|
case CINEMA2K_48:
|
|
for (i = 0; i < parameters->tcp_numlayers; i++) {
|
|
temp_rate = 0;
|
|
if (img_fol->rates[i] == 0) {
|
|
parameters->tcp_rates[0] = ((float) (image->numcomps * image->comps[0].w * image->comps[0].h * image->comps[0].prec)) /
|
|
(CINEMA_48_CS * 8 * image->comps[0].dx * image->comps[0].dy);
|
|
}
|
|
else {
|
|
temp_rate = ((float) (image->numcomps * image->comps[0].w * image->comps[0].h * image->comps[0].prec)) /
|
|
(img_fol->rates[i] * 8 * image->comps[0].dx * image->comps[0].dy);
|
|
if (temp_rate > CINEMA_48_CS) {
|
|
parameters->tcp_rates[0] = ((float) (image->numcomps * image->comps[0].w * image->comps[0].h * image->comps[0].prec)) /
|
|
(CINEMA_48_CS * 8 * image->comps[0].dx * image->comps[0].dy);
|
|
}
|
|
else {
|
|
parameters->tcp_rates[i] = img_fol->rates[i];
|
|
}
|
|
}
|
|
}
|
|
parameters->max_comp_size = COMP_48_CS;
|
|
break;
|
|
case OFF:
|
|
/* do nothing */
|
|
break;
|
|
}
|
|
parameters->cp_disto_alloc = 1;
|
|
}
|
|
|
|
static float channel_colormanage_noop(float value)
|
|
{
|
|
return value;
|
|
}
|
|
|
|
static opj_image_t *ibuftoimage(ImBuf *ibuf, opj_cparameters_t *parameters)
|
|
{
|
|
unsigned char *rect_uchar;
|
|
float *rect_float, from_straight[4];
|
|
|
|
unsigned int subsampling_dx = parameters->subsampling_dx;
|
|
unsigned int subsampling_dy = parameters->subsampling_dy;
|
|
|
|
unsigned int i, i_next, numcomps, w, h, prec;
|
|
unsigned int y;
|
|
int *r, *g, *b, *a; /* matching 'opj_image_comp.data' type */
|
|
OPJ_COLOR_SPACE color_space;
|
|
opj_image_cmptparm_t cmptparm[4]; /* maximum of 4 components */
|
|
opj_image_t *image = NULL;
|
|
|
|
float (*chanel_colormanage_cb)(float);
|
|
|
|
img_fol_t img_fol; /* only needed for cinema presets */
|
|
memset(&img_fol, 0, sizeof(img_fol_t));
|
|
|
|
if (ibuf->float_colorspace) {
|
|
/* float buffer was managed already, no need in color space conversion */
|
|
chanel_colormanage_cb = channel_colormanage_noop;
|
|
}
|
|
else {
|
|
/* standard linear-to-srgb conversion if float buffer wasn't managed */
|
|
chanel_colormanage_cb = linearrgb_to_srgb;
|
|
}
|
|
|
|
if (ibuf->foptions.flag & JP2_CINE) {
|
|
|
|
if (ibuf->x == 4096 || ibuf->y == 2160)
|
|
parameters->cp_cinema = CINEMA4K_24;
|
|
else {
|
|
if (ibuf->foptions.flag & JP2_CINE_48FPS) {
|
|
parameters->cp_cinema = CINEMA2K_48;
|
|
}
|
|
else {
|
|
parameters->cp_cinema = CINEMA2K_24;
|
|
}
|
|
}
|
|
if (parameters->cp_cinema) {
|
|
img_fol.rates = (float *)MEM_mallocN(parameters->tcp_numlayers * sizeof(float), "jp2_rates");
|
|
for (i = 0; i < parameters->tcp_numlayers; i++) {
|
|
img_fol.rates[i] = parameters->tcp_rates[i];
|
|
}
|
|
cinema_parameters(parameters);
|
|
}
|
|
|
|
color_space = (ibuf->foptions.flag & JP2_YCC) ? CLRSPC_SYCC : CLRSPC_SRGB;
|
|
prec = 12;
|
|
numcomps = 3;
|
|
}
|
|
else {
|
|
/* Get settings from the imbuf */
|
|
color_space = (ibuf->foptions.flag & JP2_YCC) ? CLRSPC_SYCC : CLRSPC_SRGB;
|
|
|
|
if (ibuf->foptions.flag & JP2_16BIT) prec = 16;
|
|
else if (ibuf->foptions.flag & JP2_12BIT) prec = 12;
|
|
else prec = 8;
|
|
|
|
/* 32bit images == alpha channel */
|
|
/* grayscale not supported yet */
|
|
numcomps = (ibuf->planes == 32) ? 4 : 3;
|
|
}
|
|
|
|
w = ibuf->x;
|
|
h = ibuf->y;
|
|
|
|
|
|
/* initialize image components */
|
|
memset(&cmptparm, 0, 4 * sizeof(opj_image_cmptparm_t));
|
|
for (i = 0; i < numcomps; i++) {
|
|
cmptparm[i].prec = prec;
|
|
cmptparm[i].bpp = prec;
|
|
cmptparm[i].sgnd = 0;
|
|
cmptparm[i].dx = subsampling_dx;
|
|
cmptparm[i].dy = subsampling_dy;
|
|
cmptparm[i].w = w;
|
|
cmptparm[i].h = h;
|
|
}
|
|
/* create the image */
|
|
image = opj_image_create(numcomps, &cmptparm[0], color_space);
|
|
if (!image) {
|
|
printf("Error: opj_image_create() failed\n");
|
|
return NULL;
|
|
}
|
|
|
|
/* set image offset and reference grid */
|
|
image->x0 = parameters->image_offset_x0;
|
|
image->y0 = parameters->image_offset_y0;
|
|
image->x1 = image->x0 + (w - 1) * subsampling_dx + 1 + image->x0;
|
|
image->y1 = image->y0 + (h - 1) * subsampling_dy + 1 + image->y0;
|
|
|
|
/* set image data */
|
|
rect_uchar = (unsigned char *) ibuf->rect;
|
|
rect_float = ibuf->rect_float;
|
|
|
|
/* set the destination channels */
|
|
r = image->comps[0].data;
|
|
g = image->comps[1].data;
|
|
b = image->comps[2].data;
|
|
a = (numcomps == 4) ? image->comps[3].data : NULL;
|
|
|
|
if (rect_float && rect_uchar && prec == 8) {
|
|
/* No need to use the floating point buffer, just write the 8 bits from the char buffer */
|
|
rect_float = NULL;
|
|
}
|
|
|
|
if (rect_float) {
|
|
int channels_in_float = ibuf->channels ? ibuf->channels : 4;
|
|
|
|
switch (prec) {
|
|
case 8: /* Convert blenders float color channels to 8, 12 or 16bit ints */
|
|
if (numcomps == 4) {
|
|
if (channels_in_float == 4) {
|
|
PIXEL_LOOPER_BEGIN(rect_float)
|
|
{
|
|
premul_to_straight_v4_v4(from_straight, rect_float);
|
|
r[i] = DOWNSAMPLE_FLOAT_TO_8BIT(chanel_colormanage_cb(from_straight[0]));
|
|
g[i] = DOWNSAMPLE_FLOAT_TO_8BIT(chanel_colormanage_cb(from_straight[1]));
|
|
b[i] = DOWNSAMPLE_FLOAT_TO_8BIT(chanel_colormanage_cb(from_straight[2]));
|
|
a[i] = DOWNSAMPLE_FLOAT_TO_8BIT(from_straight[3]);
|
|
}
|
|
PIXEL_LOOPER_END;
|
|
}
|
|
else if (channels_in_float == 3) {
|
|
PIXEL_LOOPER_BEGIN_CHANNELS(rect_float, 3)
|
|
{
|
|
r[i] = DOWNSAMPLE_FLOAT_TO_8BIT(chanel_colormanage_cb(rect_float[0]));
|
|
g[i] = DOWNSAMPLE_FLOAT_TO_8BIT(chanel_colormanage_cb(rect_float[1]));
|
|
b[i] = DOWNSAMPLE_FLOAT_TO_8BIT(chanel_colormanage_cb(rect_float[2]));
|
|
a[i] = 255;
|
|
}
|
|
PIXEL_LOOPER_END;
|
|
}
|
|
else {
|
|
PIXEL_LOOPER_BEGIN_CHANNELS(rect_float, 1)
|
|
{
|
|
r[i] = DOWNSAMPLE_FLOAT_TO_8BIT(chanel_colormanage_cb(rect_float[0]));
|
|
g[i] = b[i] = r[i];
|
|
a[i] = 255;
|
|
}
|
|
PIXEL_LOOPER_END;
|
|
}
|
|
}
|
|
else {
|
|
if (channels_in_float == 4) {
|
|
PIXEL_LOOPER_BEGIN(rect_float)
|
|
{
|
|
premul_to_straight_v4_v4(from_straight, rect_float);
|
|
r[i] = DOWNSAMPLE_FLOAT_TO_8BIT(chanel_colormanage_cb(from_straight[0]));
|
|
g[i] = DOWNSAMPLE_FLOAT_TO_8BIT(chanel_colormanage_cb(from_straight[1]));
|
|
b[i] = DOWNSAMPLE_FLOAT_TO_8BIT(chanel_colormanage_cb(from_straight[2]));
|
|
}
|
|
PIXEL_LOOPER_END;
|
|
}
|
|
else if (channels_in_float == 3) {
|
|
PIXEL_LOOPER_BEGIN_CHANNELS(rect_float, 3)
|
|
{
|
|
r[i] = DOWNSAMPLE_FLOAT_TO_8BIT(chanel_colormanage_cb(rect_float[0]));
|
|
g[i] = DOWNSAMPLE_FLOAT_TO_8BIT(chanel_colormanage_cb(rect_float[1]));
|
|
b[i] = DOWNSAMPLE_FLOAT_TO_8BIT(chanel_colormanage_cb(rect_float[2]));
|
|
}
|
|
PIXEL_LOOPER_END;
|
|
}
|
|
else {
|
|
PIXEL_LOOPER_BEGIN_CHANNELS(rect_float, 1)
|
|
{
|
|
r[i] = DOWNSAMPLE_FLOAT_TO_8BIT(chanel_colormanage_cb(rect_float[0]));
|
|
g[i] = b[i] = r[i];
|
|
}
|
|
PIXEL_LOOPER_END;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 12:
|
|
if (numcomps == 4) {
|
|
if (channels_in_float == 4) {
|
|
PIXEL_LOOPER_BEGIN(rect_float)
|
|
{
|
|
premul_to_straight_v4_v4(from_straight, rect_float);
|
|
r[i] = DOWNSAMPLE_FLOAT_TO_12BIT(chanel_colormanage_cb(from_straight[0]));
|
|
g[i] = DOWNSAMPLE_FLOAT_TO_12BIT(chanel_colormanage_cb(from_straight[1]));
|
|
b[i] = DOWNSAMPLE_FLOAT_TO_12BIT(chanel_colormanage_cb(from_straight[2]));
|
|
a[i] = DOWNSAMPLE_FLOAT_TO_12BIT(from_straight[3]);
|
|
}
|
|
PIXEL_LOOPER_END;
|
|
}
|
|
else if (channels_in_float == 3) {
|
|
PIXEL_LOOPER_BEGIN_CHANNELS(rect_float, 3)
|
|
{
|
|
r[i] = DOWNSAMPLE_FLOAT_TO_12BIT(chanel_colormanage_cb(rect_float[0]));
|
|
g[i] = DOWNSAMPLE_FLOAT_TO_12BIT(chanel_colormanage_cb(rect_float[1]));
|
|
b[i] = DOWNSAMPLE_FLOAT_TO_12BIT(chanel_colormanage_cb(rect_float[2]));
|
|
a[i] = 4095;
|
|
}
|
|
PIXEL_LOOPER_END;
|
|
}
|
|
else {
|
|
PIXEL_LOOPER_BEGIN_CHANNELS(rect_float, 1)
|
|
{
|
|
r[i] = DOWNSAMPLE_FLOAT_TO_12BIT(chanel_colormanage_cb(rect_float[0]));
|
|
g[i] = b[i] = r[i];
|
|
a[i] = 4095;
|
|
}
|
|
PIXEL_LOOPER_END;
|
|
}
|
|
}
|
|
else {
|
|
if (channels_in_float == 4) {
|
|
PIXEL_LOOPER_BEGIN(rect_float)
|
|
{
|
|
premul_to_straight_v4_v4(from_straight, rect_float);
|
|
r[i] = DOWNSAMPLE_FLOAT_TO_12BIT(chanel_colormanage_cb(from_straight[0]));
|
|
g[i] = DOWNSAMPLE_FLOAT_TO_12BIT(chanel_colormanage_cb(from_straight[1]));
|
|
b[i] = DOWNSAMPLE_FLOAT_TO_12BIT(chanel_colormanage_cb(from_straight[2]));
|
|
}
|
|
PIXEL_LOOPER_END;
|
|
}
|
|
else if (channels_in_float == 3) {
|
|
PIXEL_LOOPER_BEGIN_CHANNELS(rect_float, 3)
|
|
{
|
|
r[i] = DOWNSAMPLE_FLOAT_TO_12BIT(chanel_colormanage_cb(rect_float[0]));
|
|
g[i] = DOWNSAMPLE_FLOAT_TO_12BIT(chanel_colormanage_cb(rect_float[1]));
|
|
b[i] = DOWNSAMPLE_FLOAT_TO_12BIT(chanel_colormanage_cb(rect_float[2]));
|
|
}
|
|
PIXEL_LOOPER_END;
|
|
}
|
|
else {
|
|
PIXEL_LOOPER_BEGIN_CHANNELS(rect_float, 1)
|
|
{
|
|
r[i] = DOWNSAMPLE_FLOAT_TO_12BIT(chanel_colormanage_cb(rect_float[0]));
|
|
g[i] = b[i] = r[i];
|
|
}
|
|
PIXEL_LOOPER_END;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case 16:
|
|
if (numcomps == 4) {
|
|
if (channels_in_float == 4) {
|
|
PIXEL_LOOPER_BEGIN(rect_float)
|
|
{
|
|
premul_to_straight_v4_v4(from_straight, rect_float);
|
|
r[i] = DOWNSAMPLE_FLOAT_TO_16BIT(chanel_colormanage_cb(from_straight[0]));
|
|
g[i] = DOWNSAMPLE_FLOAT_TO_16BIT(chanel_colormanage_cb(from_straight[1]));
|
|
b[i] = DOWNSAMPLE_FLOAT_TO_16BIT(chanel_colormanage_cb(from_straight[2]));
|
|
a[i] = DOWNSAMPLE_FLOAT_TO_16BIT(from_straight[3]);
|
|
}
|
|
PIXEL_LOOPER_END;
|
|
}
|
|
else if (channels_in_float == 3) {
|
|
PIXEL_LOOPER_BEGIN_CHANNELS(rect_float, 3)
|
|
{
|
|
r[i] = DOWNSAMPLE_FLOAT_TO_16BIT(chanel_colormanage_cb(rect_float[0]));
|
|
g[i] = DOWNSAMPLE_FLOAT_TO_16BIT(chanel_colormanage_cb(rect_float[1]));
|
|
b[i] = DOWNSAMPLE_FLOAT_TO_16BIT(chanel_colormanage_cb(rect_float[2]));
|
|
a[i] = 65535;
|
|
}
|
|
PIXEL_LOOPER_END;
|
|
}
|
|
else {
|
|
PIXEL_LOOPER_BEGIN_CHANNELS(rect_float, 1)
|
|
{
|
|
r[i] = DOWNSAMPLE_FLOAT_TO_16BIT(chanel_colormanage_cb(rect_float[0]));
|
|
g[i] = b[i] = r[i];
|
|
a[i] = 65535;
|
|
}
|
|
PIXEL_LOOPER_END;
|
|
}
|
|
}
|
|
else {
|
|
if (channels_in_float == 4) {
|
|
PIXEL_LOOPER_BEGIN(rect_float)
|
|
{
|
|
premul_to_straight_v4_v4(from_straight, rect_float);
|
|
r[i] = DOWNSAMPLE_FLOAT_TO_16BIT(chanel_colormanage_cb(from_straight[0]));
|
|
g[i] = DOWNSAMPLE_FLOAT_TO_16BIT(chanel_colormanage_cb(from_straight[1]));
|
|
b[i] = DOWNSAMPLE_FLOAT_TO_16BIT(chanel_colormanage_cb(from_straight[2]));
|
|
}
|
|
PIXEL_LOOPER_END;
|
|
}
|
|
else if (channels_in_float == 3) {
|
|
PIXEL_LOOPER_BEGIN_CHANNELS(rect_float, 3)
|
|
{
|
|
r[i] = DOWNSAMPLE_FLOAT_TO_16BIT(chanel_colormanage_cb(rect_float[0]));
|
|
g[i] = DOWNSAMPLE_FLOAT_TO_16BIT(chanel_colormanage_cb(rect_float[1]));
|
|
b[i] = DOWNSAMPLE_FLOAT_TO_16BIT(chanel_colormanage_cb(rect_float[2]));
|
|
}
|
|
PIXEL_LOOPER_END;
|
|
}
|
|
else {
|
|
PIXEL_LOOPER_BEGIN_CHANNELS(rect_float, 1)
|
|
{
|
|
r[i] = DOWNSAMPLE_FLOAT_TO_16BIT(chanel_colormanage_cb(rect_float[0]));
|
|
g[i] = b[i] = r[i];
|
|
}
|
|
PIXEL_LOOPER_END;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
else {
|
|
/* just use rect*/
|
|
switch (prec) {
|
|
case 8:
|
|
if (numcomps == 4) {
|
|
PIXEL_LOOPER_BEGIN(rect_uchar)
|
|
{
|
|
r[i] = rect_uchar[0];
|
|
g[i] = rect_uchar[1];
|
|
b[i] = rect_uchar[2];
|
|
a[i] = rect_uchar[3];
|
|
}
|
|
PIXEL_LOOPER_END;
|
|
}
|
|
else {
|
|
PIXEL_LOOPER_BEGIN(rect_uchar)
|
|
{
|
|
r[i] = rect_uchar[0];
|
|
g[i] = rect_uchar[1];
|
|
b[i] = rect_uchar[2];
|
|
}
|
|
PIXEL_LOOPER_END;
|
|
}
|
|
break;
|
|
|
|
case 12: /* Up Sampling, a bit pointless but best write the bit depth requested */
|
|
if (numcomps == 4) {
|
|
PIXEL_LOOPER_BEGIN(rect_uchar)
|
|
{
|
|
r[i] = UPSAMPLE_8_TO_12(rect_uchar[0]);
|
|
g[i] = UPSAMPLE_8_TO_12(rect_uchar[1]);
|
|
b[i] = UPSAMPLE_8_TO_12(rect_uchar[2]);
|
|
a[i] = UPSAMPLE_8_TO_12(rect_uchar[3]);
|
|
}
|
|
PIXEL_LOOPER_END;
|
|
}
|
|
else {
|
|
PIXEL_LOOPER_BEGIN(rect_uchar)
|
|
{
|
|
r[i] = UPSAMPLE_8_TO_12(rect_uchar[0]);
|
|
g[i] = UPSAMPLE_8_TO_12(rect_uchar[1]);
|
|
b[i] = UPSAMPLE_8_TO_12(rect_uchar[2]);
|
|
}
|
|
PIXEL_LOOPER_END;
|
|
}
|
|
break;
|
|
|
|
case 16:
|
|
if (numcomps == 4) {
|
|
PIXEL_LOOPER_BEGIN(rect_uchar)
|
|
{
|
|
r[i] = UPSAMPLE_8_TO_16(rect_uchar[0]);
|
|
g[i] = UPSAMPLE_8_TO_16(rect_uchar[1]);
|
|
b[i] = UPSAMPLE_8_TO_16(rect_uchar[2]);
|
|
a[i] = UPSAMPLE_8_TO_16(rect_uchar[3]);
|
|
}
|
|
PIXEL_LOOPER_END;
|
|
}
|
|
else {
|
|
PIXEL_LOOPER_BEGIN(rect_uchar)
|
|
{
|
|
r[i] = UPSAMPLE_8_TO_16(rect_uchar[0]);
|
|
g[i] = UPSAMPLE_8_TO_16(rect_uchar[1]);
|
|
b[i] = UPSAMPLE_8_TO_16(rect_uchar[2]);
|
|
}
|
|
PIXEL_LOOPER_END;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Decide if MCT should be used */
|
|
parameters->tcp_mct = image->numcomps == 3 ? 1 : 0;
|
|
|
|
if (parameters->cp_cinema) {
|
|
cinema_setup_encoder(parameters, image, &img_fol);
|
|
}
|
|
|
|
if (img_fol.rates)
|
|
MEM_freeN(img_fol.rates);
|
|
|
|
return image;
|
|
}
|
|
|
|
|
|
/* Found write info at http://users.ece.gatech.edu/~slabaugh/personal/c/bitmapUnix.c */
|
|
int imb_savejp2(struct ImBuf *ibuf, const char *name, int flags)
|
|
{
|
|
int quality = ibuf->foptions.quality;
|
|
|
|
int bSuccess;
|
|
opj_cparameters_t parameters; /* compression parameters */
|
|
opj_event_mgr_t event_mgr; /* event manager */
|
|
opj_image_t *image = NULL;
|
|
|
|
(void)flags; /* unused */
|
|
|
|
/*
|
|
* configure the event callbacks (not required)
|
|
* setting of each callback is optional
|
|
*/
|
|
memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
|
|
event_mgr.error_handler = error_callback;
|
|
event_mgr.warning_handler = warning_callback;
|
|
event_mgr.info_handler = info_callback;
|
|
|
|
/* set encoding parameters to default values */
|
|
opj_set_default_encoder_parameters(¶meters);
|
|
|
|
/* compression ratio */
|
|
/* invert range, from 10-100, 100-1
|
|
* where jpeg see's 1 and highest quality (lossless) and 100 is very low quality*/
|
|
parameters.tcp_rates[0] = ((100 - quality) / 90.0f * 99.0f) + 1;
|
|
|
|
|
|
parameters.tcp_numlayers = 1; /* only one resolution */
|
|
parameters.cp_disto_alloc = 1;
|
|
|
|
image = ibuftoimage(ibuf, ¶meters);
|
|
|
|
|
|
{ /* JP2 format output */
|
|
int codestream_length;
|
|
opj_cio_t *cio = NULL;
|
|
FILE *f = NULL;
|
|
opj_cinfo_t *cinfo = NULL;
|
|
|
|
/* get a JP2 compressor handle */
|
|
if (ibuf->foptions.flag & JP2_JP2)
|
|
cinfo = opj_create_compress(CODEC_JP2);
|
|
else if (ibuf->foptions.flag & JP2_J2K)
|
|
cinfo = opj_create_compress(CODEC_J2K);
|
|
else
|
|
BLI_assert(!"Unsupported codec was specified in save settings");
|
|
|
|
/* catch events using our callbacks and give a local context */
|
|
opj_set_event_mgr((opj_common_ptr)cinfo, &event_mgr, stderr);
|
|
|
|
/* setup the encoder parameters using the current image and using user parameters */
|
|
opj_setup_encoder(cinfo, ¶meters, image);
|
|
|
|
/* open a byte stream for writing */
|
|
/* allocate memory for all tiles */
|
|
cio = opj_cio_open((opj_common_ptr)cinfo, NULL, 0);
|
|
|
|
/* encode the image */
|
|
bSuccess = opj_encode(cinfo, cio, image, NULL); /* last arg used to be parameters.index but this deprecated */
|
|
|
|
if (!bSuccess) {
|
|
opj_cio_close(cio);
|
|
fprintf(stderr, "failed to encode image\n");
|
|
return 0;
|
|
}
|
|
codestream_length = cio_tell(cio);
|
|
|
|
/* write the buffer to disk */
|
|
f = BLI_fopen(name, "wb");
|
|
|
|
if (!f) {
|
|
fprintf(stderr, "failed to open %s for writing\n", name);
|
|
return 1;
|
|
}
|
|
fwrite(cio->buffer, 1, codestream_length, f);
|
|
fclose(f);
|
|
fprintf(stderr, "Generated outfile %s\n", name);
|
|
/* close and free the byte stream */
|
|
opj_cio_close(cio);
|
|
|
|
/* free remaining compression structures */
|
|
opj_destroy_compress(cinfo);
|
|
}
|
|
|
|
/* free image data */
|
|
opj_image_destroy(image);
|
|
|
|
return 1;
|
|
}
|