332 lines
10 KiB
C
332 lines
10 KiB
C
/*
|
|
* Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
|
|
* Copyright (c) 2002-2007, Professor Benoit Macq
|
|
* Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "opj_includes.h"
|
|
#include "mj2.h"
|
|
|
|
/* ----------------------- */
|
|
/* */
|
|
/* */
|
|
/* Count the number of frames */
|
|
/* in a YUV file */
|
|
/* */
|
|
/* ----------------------- */
|
|
|
|
int yuv_num_frames(mj2_tk_t * tk, char *infile)
|
|
{
|
|
int numimages, frame_size;
|
|
long end_of_f;
|
|
FILE *f;
|
|
|
|
f = fopen(infile,"rb");
|
|
if (!f) {
|
|
fprintf(stderr, "failed to open %s for reading\n",infile);
|
|
return -1;
|
|
}
|
|
|
|
frame_size = (int) (tk->w * tk->h * (1.0 + (double) 2 / (double) (tk->CbCr_subsampling_dx * tk->CbCr_subsampling_dy))); /* Calculate frame size */
|
|
|
|
fseek(f, 0, SEEK_END);
|
|
end_of_f = ftell(f); /* Calculate file size */
|
|
|
|
if (end_of_f < frame_size) {
|
|
fprintf(stderr,
|
|
"YUV does not contains any frame of %d x %d size\n", tk->w,
|
|
tk->h);
|
|
return -1;
|
|
}
|
|
|
|
numimages = end_of_f / frame_size; /* Calculate number of images */
|
|
fclose(f);
|
|
|
|
return numimages;
|
|
}
|
|
|
|
// -----------------------
|
|
//
|
|
//
|
|
// YUV to IMAGE
|
|
//
|
|
// -----------------------
|
|
|
|
opj_image_t *mj2_image_create(mj2_tk_t * tk, opj_cparameters_t *parameters)
|
|
{
|
|
opj_image_cmptparm_t cmptparm[3];
|
|
opj_image_t * img;
|
|
int i;
|
|
int numcomps = 3;
|
|
int subsampling_dx = parameters->subsampling_dx;
|
|
int subsampling_dy = parameters->subsampling_dy;
|
|
|
|
/* initialize image components */
|
|
memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
|
|
for(i = 0; i < numcomps; i++) {
|
|
cmptparm[i].prec = 8;
|
|
cmptparm[i].bpp = 8;
|
|
cmptparm[i].sgnd = 0;
|
|
cmptparm[i].dx = i ? subsampling_dx * tk->CbCr_subsampling_dx : subsampling_dx;
|
|
cmptparm[i].dy = i ? subsampling_dy * tk->CbCr_subsampling_dy : subsampling_dy;
|
|
cmptparm[i].w = tk->w;
|
|
cmptparm[i].h = tk->h;
|
|
}
|
|
/* create the image */
|
|
img = opj_image_create(numcomps, cmptparm, CLRSPC_SRGB);
|
|
return img;
|
|
}
|
|
|
|
char yuvtoimage(mj2_tk_t * tk, opj_image_t * img, int frame_num, opj_cparameters_t *parameters, char* infile)
|
|
{
|
|
int i, compno;
|
|
int offset;
|
|
long end_of_f, position;
|
|
int numcomps = 3;
|
|
int subsampling_dx = parameters->subsampling_dx;
|
|
int subsampling_dy = parameters->subsampling_dy;
|
|
FILE *yuvfile;
|
|
|
|
yuvfile = fopen(infile,"rb");
|
|
if (!yuvfile) {
|
|
fprintf(stderr, "failed to open %s for readings\n",parameters->infile);
|
|
return 1;
|
|
}
|
|
|
|
offset = (int) ((double) (frame_num * tk->w * tk->h) * (1.0 +
|
|
1.0 * (double) 2 / (double) (tk->CbCr_subsampling_dx * tk->CbCr_subsampling_dy)));
|
|
fseek(yuvfile, 0, SEEK_END);
|
|
end_of_f = ftell(yuvfile);
|
|
fseek(yuvfile, sizeof(unsigned char) * offset, SEEK_SET);
|
|
position = ftell(yuvfile);
|
|
if (position >= end_of_f) {
|
|
fprintf(stderr, "Cannot reach frame number %d in yuv file !!\n",
|
|
frame_num);
|
|
fclose(yuvfile);
|
|
return 1;
|
|
}
|
|
|
|
img->x0 = tk->Dim[0];
|
|
img->y0 = tk->Dim[1];
|
|
img->x1 = !tk->Dim[0] ? (tk->w - 1) * subsampling_dx + 1 : tk->Dim[0] +
|
|
(tk->w - 1) * subsampling_dx + 1;
|
|
img->y1 = !tk->Dim[1] ? (tk->h - 1) * subsampling_dy + 1 : tk->Dim[1] +
|
|
(tk->h - 1) * subsampling_dy + 1;
|
|
|
|
for(compno = 0; compno < numcomps; compno++) {
|
|
for (i = 0; i < (tk->w * tk->h / (img->comps[compno].dx * img->comps[compno].dy))
|
|
&& !feof(yuvfile); i++) {
|
|
if (!fread(&img->comps[compno].data[i], 1, 1, yuvfile)) {
|
|
fprintf(stderr, "Error reading %s file !!\n", infile);
|
|
return 1;
|
|
}
|
|
}
|
|
}
|
|
fclose(yuvfile);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
// -----------------------
|
|
//
|
|
//
|
|
// IMAGE to YUV
|
|
//
|
|
// -----------------------
|
|
|
|
|
|
bool imagetoyuv(opj_image_t * img, char *outfile)
|
|
{
|
|
FILE *f;
|
|
int i;
|
|
|
|
if (img->numcomps == 3) {
|
|
if (img->comps[0].dx != img->comps[1].dx / 2
|
|
|| img->comps[1].dx != img->comps[2].dx) {
|
|
fprintf(stderr,
|
|
"Error with the input image components size: cannot create yuv file)\n");
|
|
return false;
|
|
}
|
|
} else if (!(img->numcomps == 1)) {
|
|
fprintf(stderr,
|
|
"Error with the number of image components(must be one or three)\n");
|
|
return false;
|
|
}
|
|
|
|
f = fopen(outfile, "a+b");
|
|
if (!f) {
|
|
fprintf(stderr, "failed to open %s for writing\n", outfile);
|
|
return false;
|
|
}
|
|
|
|
|
|
for (i = 0; i < (img->comps[0].w * img->comps[0].h); i++) {
|
|
unsigned char y;
|
|
y = img->comps[0].data[i];
|
|
fwrite(&y, 1, 1, f);
|
|
}
|
|
|
|
|
|
if (img->numcomps == 3) {
|
|
for (i = 0; i < (img->comps[1].w * img->comps[1].h); i++) {
|
|
unsigned char cb;
|
|
cb = img->comps[1].data[i];
|
|
fwrite(&cb, 1, 1, f);
|
|
}
|
|
|
|
|
|
for (i = 0; i < (img->comps[2].w * img->comps[2].h); i++) {
|
|
unsigned char cr;
|
|
cr = img->comps[2].data[i];
|
|
fwrite(&cr, 1, 1, f);
|
|
}
|
|
} else if (img->numcomps == 1) {
|
|
for (i = 0; i < (img->comps[0].w * img->comps[0].h * 0.25); i++) {
|
|
unsigned char cb = 125;
|
|
fwrite(&cb, 1, 1, f);
|
|
}
|
|
|
|
|
|
for (i = 0; i < (img->comps[0].w * img->comps[0].h * 0.25); i++) {
|
|
unsigned char cr = 125;
|
|
fwrite(&cr, 1, 1, f);
|
|
}
|
|
}
|
|
fclose(f);
|
|
return true;
|
|
}
|
|
|
|
// -----------------------
|
|
//
|
|
//
|
|
// IMAGE to BMP
|
|
//
|
|
// -----------------------
|
|
|
|
int imagetobmp(opj_image_t * img, char *outfile) {
|
|
int w,wr,h,hr,i,pad;
|
|
FILE *f;
|
|
|
|
if (img->numcomps == 3 && img->comps[0].dx == img->comps[1].dx
|
|
&& img->comps[1].dx == img->comps[2].dx
|
|
&& img->comps[0].dy == img->comps[1].dy
|
|
&& img->comps[1].dy == img->comps[2].dy
|
|
&& img->comps[0].prec == img->comps[1].prec
|
|
&& img->comps[1].prec == img->comps[2].prec) {
|
|
/* -->> -->> -->> -->>
|
|
|
|
24 bits color
|
|
|
|
<<-- <<-- <<-- <<-- */
|
|
|
|
f = fopen(outfile, "wb");
|
|
if (!f) {
|
|
fprintf(stderr, "failed to open %s for writing\n", outfile);
|
|
return 1;
|
|
}
|
|
|
|
w = img->comps[0].w;
|
|
wr = int_ceildivpow2(img->comps[0].w, img->comps[0].factor);
|
|
|
|
h = img->comps[0].h;
|
|
hr = int_ceildivpow2(img->comps[0].h, img->comps[0].factor);
|
|
|
|
fprintf(f, "BM");
|
|
|
|
/* FILE HEADER */
|
|
/* ------------- */
|
|
fprintf(f, "%c%c%c%c",
|
|
(unsigned char) (hr * wr * 3 + 3 * hr * (wr % 2) +
|
|
54) & 0xff,
|
|
(unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2) + 54)
|
|
>> 8) & 0xff,
|
|
(unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2) + 54)
|
|
>> 16) & 0xff,
|
|
(unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2) + 54)
|
|
>> 24) & 0xff);
|
|
fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
|
|
((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
|
|
fprintf(f, "%c%c%c%c", (54) & 0xff, ((54) >> 8) & 0xff,
|
|
((54) >> 16) & 0xff, ((54) >> 24) & 0xff);
|
|
|
|
/* INFO HEADER */
|
|
/* ------------- */
|
|
fprintf(f, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff,
|
|
((40) >> 16) & 0xff, ((40) >> 24) & 0xff);
|
|
fprintf(f, "%c%c%c%c", (unsigned char) ((wr) & 0xff),
|
|
(unsigned char) ((wr) >> 8) & 0xff,
|
|
(unsigned char) ((wr) >> 16) & 0xff,
|
|
(unsigned char) ((wr) >> 24) & 0xff);
|
|
fprintf(f, "%c%c%c%c", (unsigned char) ((hr) & 0xff),
|
|
(unsigned char) ((hr) >> 8) & 0xff,
|
|
(unsigned char) ((hr) >> 16) & 0xff,
|
|
(unsigned char) ((hr) >> 24) & 0xff);
|
|
fprintf(f, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
|
|
fprintf(f, "%c%c", (24) & 0xff, ((24) >> 8) & 0xff);
|
|
fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
|
|
((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
|
|
fprintf(f, "%c%c%c%c",
|
|
(unsigned char) (3 * hr * wr +
|
|
3 * hr * (wr % 2)) & 0xff,
|
|
(unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2)) >>
|
|
8) & 0xff,
|
|
(unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2)) >>
|
|
16) & 0xff,
|
|
(unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2)) >>
|
|
24) & 0xff);
|
|
fprintf(f, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,
|
|
((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
|
|
fprintf(f, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,
|
|
((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
|
|
fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
|
|
((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
|
|
fprintf(f, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff,
|
|
((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
|
|
|
|
for (i = 0; i < wr * hr; i++) {
|
|
unsigned char R, G, B;
|
|
/* a modifier */
|
|
// R = img->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
|
|
R = img->comps[0].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
|
|
// G = img->comps[1].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
|
|
G = img->comps[1].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
|
|
// B = img->comps[2].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
|
|
B = img->comps[2].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
|
|
fprintf(f, "%c%c%c", B, G, R);
|
|
|
|
if ((i + 1) % wr == 0) {
|
|
for (pad = (3 * wr) % 4 ? 4 - (3 * wr) % 4 : 0; pad > 0; pad--) /* ADD */
|
|
fprintf(f, "%c", 0);
|
|
}
|
|
}
|
|
fclose(f);
|
|
opj_free(img->comps[1].data);
|
|
opj_free(img->comps[2].data);
|
|
}
|
|
return 0;
|
|
}
|