/*
* 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
* 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"
/**
Size of memory first allocated for MOOV box
*/
#define TEMP_BUF 10000
/* -------------------------------------------------------------------------- */
/**
sample error callback expecting a FILE* client object
*/
void error_callback(const char *msg, void *client_data) {
FILE *stream = (FILE*)client_data;
fprintf(stream, "[ERROR] %s", msg);
}
/**
sample warning callback expecting a FILE* client object
*/
void warning_callback(const char *msg, void *client_data) {
FILE *stream = (FILE*)client_data;
fprintf(stream, "[WARNING] %s", msg);
}
/**
sample debug callback expecting a FILE* client object
*/
void info_callback(const char *msg, void *client_data) {
FILE *stream = (FILE*)client_data;
fprintf(stream, "[INFO] %s", msg);
}
/* -------------------------------------------------------------------------- */
static void read_siz_marker(FILE *file, opj_image_t *image)
{
int len,i;
char buf, buf2[2];
char *siz_buffer;
opj_cio_t *cio;
fseek(file, 0, SEEK_SET);
do {
fread(&buf,1,1, file);
if (buf==(char)0xff)
fread(&buf,1,1, file);
}
while (!(buf==(char)0x51));
fread(buf2,2,1,file); /* Lsiz */
len = ((buf2[0])<<8) + buf2[1];
siz_buffer = (char*) malloc(len * sizeof(char));
fread(siz_buffer,len, 1, file);
cio = opj_cio_open(NULL, siz_buffer, len);
cio_read(cio, 2); /* Rsiz (capabilities) */
image->x1 = cio_read(cio, 4); /* Xsiz */
image->y1 = cio_read(cio, 4); /* Ysiz */
image->x0 = cio_read(cio, 4); /* X0siz */
image->y0 = cio_read(cio, 4); /* Y0siz */
cio_skip(cio, 16); /* XTsiz, YTsiz, XT0siz, YT0siz */
image->numcomps = cio_read(cio,2); /* Csiz */
image->comps =
(opj_image_comp_t *) malloc(image->numcomps * sizeof(opj_image_comp_t));
for (i = 0; i < image->numcomps; i++) {
int tmp;
tmp = cio_read(cio,1); /* Ssiz_i */
image->comps[i].prec = (tmp & 0x7f) + 1;
image->comps[i].sgnd = tmp >> 7;
image->comps[i].dx = cio_read(cio,1); /* XRsiz_i */
image->comps[i].dy = cio_read(cio,1); /* YRsiz_i */
image->comps[i].resno_decoded = 0; /* number of resolution decoded */
image->comps[i].factor = 0; /* reducing factor by component */
}
fseek(file, 0, SEEK_SET);
opj_cio_close(cio);
}
static void setparams(opj_mj2_t *movie, opj_image_t *image) {
int i, depth_0, depth, sign;
movie->tk[0].sample_rate = 25;
movie->tk[0].w = int_ceildiv(image->x1 - image->x0, image->comps[0].dx);
movie->tk[0].h = int_ceildiv(image->y1 - image->y0, image->comps[0].dy);
mj2_init_stdmovie(movie);
movie->tk[0].depth = image->comps[0].prec;
if (image->numcomps==3) {
if ((image->comps[0].dx == 1) && (image->comps[1].dx == 1) && (image->comps[1].dx == 1))
movie->tk[0].CbCr_subsampling_dx = 1;
else if ((image->comps[0].dx == 1) && (image->comps[1].dx == 2) && (image->comps[1].dx == 2))
movie->tk[0].CbCr_subsampling_dx = 2;
else
fprintf(stderr,"Image component sizes are incoherent\n");
if ((image->comps[0].dy == 1) && (image->comps[1].dy == 1) && (image->comps[1].dy == 1))
movie->tk[0].CbCr_subsampling_dy = 1;
else if ((image->comps[0].dy == 1) && (image->comps[1].dy == 2) && (image->comps[1].dy == 2))
movie->tk[0].CbCr_subsampling_dy = 2;
else
fprintf(stderr,"Image component sizes are incoherent\n");
}
movie->tk[0].sample_rate = 25;
movie->tk[0].jp2_struct.numcomps = image->numcomps; // NC
/* Init Standard jp2 structure */
movie->tk[0].jp2_struct.comps =
(opj_jp2_comps_t *) malloc(movie->tk[0].jp2_struct.numcomps * sizeof(opj_jp2_comps_t));
movie->tk[0].jp2_struct.precedence = 0; /* PRECEDENCE*/
movie->tk[0].jp2_struct.approx = 0; /* APPROX*/
movie->tk[0].jp2_struct.brand = JP2_JP2; /* BR */
movie->tk[0].jp2_struct.minversion = 0; /* MinV */
movie->tk[0].jp2_struct.numcl = 1;
movie->tk[0].jp2_struct.cl = (unsigned int *) malloc(movie->tk[0].jp2_struct.numcl * sizeof(int));
movie->tk[0].jp2_struct.cl[0] = JP2_JP2; /* CL0 : JP2 */
movie->tk[0].jp2_struct.C = 7; /* C : Always 7*/
movie->tk[0].jp2_struct.UnkC = 0; /* UnkC, colorspace specified in colr box*/
movie->tk[0].jp2_struct.IPR = 0; /* IPR, no intellectual property*/
movie->tk[0].jp2_struct.w = int_ceildiv(image->x1 - image->x0, image->comps[0].dx);
movie->tk[0].jp2_struct.h = int_ceildiv(image->y1 - image->y0, image->comps[0].dy);
depth_0 = image->comps[0].prec - 1;
sign = image->comps[0].sgnd;
movie->tk[0].jp2_struct.bpc = depth_0 + (sign << 7);
for (i = 1; i < image->numcomps; i++) {
depth = image->comps[i].prec - 1;
sign = image->comps[i].sgnd;
if (depth_0 != depth)
movie->tk[0].jp2_struct.bpc = 255;
}
for (i = 0; i < image->numcomps; i++)
movie->tk[0].jp2_struct.comps[i].bpcc =
image->comps[i].prec - 1 + (image->comps[i].sgnd << 7);
if ((image->numcomps == 1 || image->numcomps == 3)
&& (movie->tk[0].jp2_struct.bpc != 255))
movie->tk[0].jp2_struct.meth = 1;
else
movie->tk[0].jp2_struct.meth = 2;
if (image->numcomps == 1)
movie->tk[0].jp2_struct.enumcs = 17; // Grayscale
else if ((image->comps[0].dx == 1) && (image->comps[1].dx == 1) && (image->comps[1].dx == 1) &&
(image->comps[0].dy == 1) && (image->comps[1].dy == 1) && (image->comps[1].dy == 1))
movie->tk[0].jp2_struct.enumcs = 16; // RGB
else if ((image->comps[0].dx == 1) && (image->comps[1].dx == 2) && (image->comps[1].dx == 2) &&
(image->comps[0].dy == 1) && (image->comps[1].dy == 2) && (image->comps[1].dy == 2))
movie->tk[0].jp2_struct.enumcs = 18; // YUV
else
movie->tk[0].jp2_struct.enumcs = 0; // Unkown profile */
}
int main(int argc, char *argv[]) {
opj_cinfo_t* cinfo;
opj_event_mgr_t event_mgr; /* event manager */
unsigned int snum;
opj_mj2_t *movie;
mj2_sample_t *sample;
unsigned char* frame_codestream;
FILE *mj2file, *j2kfile;
char j2kfilename[50];
char *buf;
int offset, mdat_initpos;
opj_image_t img;
opj_cio_t *cio;
mj2_cparameters_t parameters;
if (argc != 3) {
printf("Bad syntax: Usage: MJ2_Wrapper source_location mj2_filename\n");
printf("Example: MJ2_Wrapper input/input output.mj2\n");
return 1;
}
mj2file = fopen(argv[2], "wb");
if (!mj2file) {
fprintf(stderr, "failed to open %s for writing\n", argv[2]);
return 1;
}
/*
configure the event callbacks (not required)
setting of each callback is optionnal
*/
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;
/* get a MJ2 decompressor handle */
cinfo = mj2_create_compress();
/* catch events using our callbacks and give a local context */
opj_set_event_mgr((opj_common_ptr)cinfo, &event_mgr, stderr);
/* setup the decoder encoding parameters using user parameters */
movie = (opj_mj2_t*) cinfo->mj2_handle;
mj2_setup_encoder(cinfo->mj2_handle, ¶meters);
/* Writing JP, FTYP and MDAT boxes
Assuming that the JP and FTYP boxes won't be longer than 300 bytes */
buf = (char*) malloc (300 * sizeof(char));
cio = opj_cio_open(movie->cinfo, buf, 300);
mj2_write_jp(cio);
mj2_write_ftyp(movie, cio);
mdat_initpos = cio_tell(cio);
cio_skip(cio, 4);
cio_write(cio,MJ2_MDAT, 4);
fwrite(buf,cio_tell(cio),1,mj2file);
free(buf);
// Insert each j2k codestream in a JP2C box
snum=0;
offset = 0;
while(1)
{
sample = &movie->tk[0].sample[snum];
sprintf(j2kfilename,"%s_%05d.j2k",argv[1],snum);
j2kfile = fopen(j2kfilename, "rb");
if (!j2kfile) {
if (snum==0) { // Could not open a single codestream
fprintf(stderr, "failed to open %s for reading\n",j2kfilename);
return 1;
}
else { // Tried to open a inexistant codestream
fprintf(stdout,"%d frames are being added to the MJ2 file\n",snum);
break;
}
}
// Calculating offset for samples and chunks
offset += cio_tell(cio);
sample->offset = offset;
movie->tk[0].chunk[snum].offset = offset; // There will be one sample per chunk
// Calculating sample size
fseek(j2kfile,0,SEEK_END);
sample->sample_size = ftell(j2kfile) + 8; // Sample size is codestream + JP2C box header
fseek(j2kfile,0,SEEK_SET);
// Reading siz marker of j2k image for the first codestream
if (snum==0)
read_siz_marker(j2kfile, &img);
// Writing JP2C box header
frame_codestream = (unsigned char*) malloc (sample->sample_size+8);
cio = opj_cio_open(movie->cinfo, frame_codestream, sample->sample_size);
cio_write(cio,sample->sample_size, 4); // Sample size
cio_write(cio,JP2_JP2C, 4); // JP2C
// Writing codestream from J2K file to MJ2 file
fread(frame_codestream+8,sample->sample_size-8,1,j2kfile);
fwrite(frame_codestream,sample->sample_size,1,mj2file);
cio_skip(cio, sample->sample_size-8);
// Ending loop
fclose(j2kfile);
snum++;
movie->tk[0].sample = realloc(movie->tk[0].sample, (snum+1) * sizeof(mj2_sample_t));
movie->tk[0].chunk = realloc(movie->tk[0].chunk, (snum+1) * sizeof(mj2_chunk_t));
free(frame_codestream);
}
// Writing the MDAT box length in header
offset += cio_tell(cio);
buf = (char*) malloc (4 * sizeof(char));
cio = opj_cio_open(movie->cinfo, buf, 4);
cio_write(cio,offset-mdat_initpos,4);
fseek(mj2file,(long)mdat_initpos,SEEK_SET);
fwrite(buf,4,1,mj2file);
fseek(mj2file,0,SEEK_END);
free(buf);
// Setting movie parameters
movie->tk[0].num_samples=snum;
movie->tk[0].num_chunks=snum;
setparams(movie, &img);
// Writing MOOV box
buf = (char*) malloc ((TEMP_BUF+snum*20) * sizeof(char));
cio = opj_cio_open(movie->cinfo, buf, (TEMP_BUF+snum*20));
mj2_write_moov(movie, cio);
fwrite(buf,cio_tell(cio),1,mj2file);
// Ending program
fclose(mj2file);
free(img.comps);
opj_cio_close(cio);
mj2_destroy_compress(movie);
return 0;
}