int main(int argc, char **argv)
{
mj2_cparameters_t mj2_parameters; /* MJ2 compression parameters */
opj_cparameters_t *j2k_parameters; /* J2K compression parameters */
opj_event_mgr_t event_mgr; /* event manager */
opj_cio_t *cio;
int value;
opj_mj2_t *movie;
opj_image_t *img;
int i, j;
char *s, S1, S2, S3;
unsigned char *buf;
int x1, y1, len;
long mdat_initpos, offset;
FILE *mj2file;
int sampleno;
opj_cinfo_t* cinfo;
opj_bool bSuccess;
int numframes;
int prec = 8;/* DEFAULT */
double total_time = 0;
memset(&mj2_parameters, 0, sizeof(mj2_cparameters_t));
/* default value */
/* ------------- */
mj2_parameters.w = 352; /* CIF default value*/
mj2_parameters.h = 288; /* CIF default value*/
mj2_parameters.CbCr_subsampling_dx = 2; /* CIF default value*/
mj2_parameters.CbCr_subsampling_dy = 2; /* CIF default value*/
mj2_parameters.frame_rate = 25;
mj2_parameters.prec = 8; /* DEFAULT */
mj2_parameters.enumcs = ENUMCS_SYCC; /* FIXME: ENUMCS_YUV420 */
mj2_parameters.meth = 1; /* enumerated color space */
/*
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 = NULL;
/* set J2K encoding parameters to default values */
opj_set_default_encoder_parameters(&mj2_parameters.j2k_parameters);
j2k_parameters = &mj2_parameters.j2k_parameters;
/* Create comment for codestream */
if(j2k_parameters->cp_comment == NULL) {
const char comment[] = "Created by OpenJPEG version ";
const size_t clen = strlen(comment);
const char *version = opj_version();
j2k_parameters->cp_comment = (char*)malloc(clen+strlen(version)+1);
sprintf(j2k_parameters->cp_comment,"%s%s", comment, version);
}
while (1) {
int c = opj_getopt(argc, argv,
"i:o:r:q:f:t:n:c:b:p:s:d:P:S:E:M:R:T:C:I:W:F:D:h");
if (c == -1)
break;
switch (c) {
case 'i': /* IN fill */
{
char *infile = opj_optarg;
s = opj_optarg;
while (*s) {
s++;
}
s--;
S3 = *s;
s--;
S2 = *s;
s--;
S1 = *s;
if ((S1 == 'y' && S2 == 'u' && S3 == 'v')
|| (S1 == 'Y' && S2 == 'U' && S3 == 'V')) {
mj2_parameters.decod_format = YUV_DFMT;
}
else {
fprintf(stderr,
"!! Unrecognized format for infile : %c%c%c [accept only *.yuv] !!\n\n",
S1, S2, S3);
return 1;
}
strncpy(mj2_parameters.infile, infile, sizeof(mj2_parameters.infile)-1);
}
break;
/* ----------------------------------------------------- */
case 'o': /* OUT fill */
{
char *outfile = opj_optarg;
while (*outfile) {
outfile++;
}
outfile--;
S3 = *outfile;
outfile--;
S2 = *outfile;
outfile--;
S1 = *outfile;
outfile = opj_optarg;
if ((S1 == 'm' && S2 == 'j' && S3 == '2')
|| (S1 == 'M' && S2 == 'J' && S3 == '2'))
mj2_parameters.cod_format = MJ2_CFMT;
else {
fprintf(stderr,
"Unknown output format image *.%c%c%c [only *.mj2]!! \n",
S1, S2, S3);
return 1;
}
strncpy(mj2_parameters.outfile, outfile, sizeof(mj2_parameters.outfile)-1);
}
break;
/* ----------------------------------------------------- */
case 'r': /* rates rates/distorsion */
{
float rate;
s = opj_optarg;
while (sscanf(s, "%f", &rate) == 1) {
j2k_parameters->tcp_rates[j2k_parameters->tcp_numlayers] = rate * 2;
j2k_parameters->tcp_numlayers++;
while (*s && *s != ',') {
s++;
}
if (!*s)
break;
s++;
}
j2k_parameters->cp_disto_alloc = 1;
}
break;
/* ----------------------------------------------------- */
case 'q': /* add fixed_quality */
s = opj_optarg;
while (sscanf(s, "%f", &j2k_parameters->tcp_distoratio[j2k_parameters->tcp_numlayers]) == 1) {
j2k_parameters->tcp_numlayers++;
while (*s && *s != ',') {
s++;
}
if (!*s)
break;
s++;
}
j2k_parameters->cp_fixed_quality = 1;
break;
/* dda */
/* ----------------------------------------------------- */
case 'f': /* mod fixed_quality (before : -q) */
{
int *row = NULL, *col = NULL;
int numlayers = 0, numresolution = 0, matrix_width = 0;
s = opj_optarg;
sscanf(s, "%d", &numlayers);
s++;
if (numlayers > 9)
s++;
j2k_parameters->tcp_numlayers = numlayers;
numresolution = j2k_parameters->numresolution;
matrix_width = numresolution * 3;
j2k_parameters->cp_matrice = (int *) malloc(numlayers * matrix_width * sizeof(int));
s = s + 2;
for (i = 0; i < numlayers; i++) {
row = &j2k_parameters->cp_matrice[i * matrix_width];
col = row;
j2k_parameters->tcp_rates[i] = 1;
sscanf(s, "%d,", &col[0]);
s += 2;
if (col[0] > 9)
s++;
col[1] = 0;
col[2] = 0;
for (j = 1; j < numresolution; j++) {
col += 3;
sscanf(s, "%d,%d,%d", &col[0], &col[1], &col[2]);
s += 6;
if (col[0] > 9)
s++;
if (col[1] > 9)
s++;
if (col[2] > 9)
s++;
}
if (i < numlayers - 1)
s++;
}
j2k_parameters->cp_fixed_alloc = 1;
}
break;
/* ----------------------------------------------------- */
case 't': /* tiles */
sscanf(opj_optarg, "%d,%d", &j2k_parameters->cp_tdx, &j2k_parameters->cp_tdy);
j2k_parameters->tile_size_on = OPJ_TRUE;
break;
/* ----------------------------------------------------- */
case 'n': /* resolution */
sscanf(opj_optarg, "%d", &j2k_parameters->numresolution);
break;
/* ----------------------------------------------------- */
case 'c': /* precinct dimension */
{
char sep;
int res_spec = 0;
char *s = opj_optarg;
do {
sep = 0;
sscanf(s, "[%d,%d]%c", &j2k_parameters->prcw_init[res_spec],
&j2k_parameters->prch_init[res_spec], &sep);
j2k_parameters->csty |= 0x01;
res_spec++;
s = strpbrk(s, "]") + 2;
}
while (sep == ',');
j2k_parameters->res_spec = res_spec;
}
break;
/* ----------------------------------------------------- */
case 'b': /* code-block dimension */
{
int cblockw_init = 0, cblockh_init = 0;
sscanf(opj_optarg, "%d,%d", &cblockw_init, &cblockh_init);
if (cblockw_init * cblockh_init > 4096 || cblockw_init > 1024
|| cblockw_init < 4 || cblockh_init > 1024 || cblockh_init < 4) {
fprintf(stderr,
"!! Size of code_block error (option -b) !!\n\nRestriction :\n"
" * width*height<=4096\n * 4<=width,height<= 1024\n\n");
return 1;
}
j2k_parameters->cblockw_init = cblockw_init;
j2k_parameters->cblockh_init = cblockh_init;
}
break;
/* ----------------------------------------------------- */
case 'p': /* progression order */
{
char progression[5];
strncpy(progression, opj_optarg, 5);
j2k_parameters->prog_order = give_progression(progression);
if (j2k_parameters->prog_order == -1) {
fprintf(stderr, "Unrecognized progression order "
"[LRCP, RLCP, RPCL, PCRL, CPRL] !!\n");
return 1;
}
}
break;
/* ----------------------------------------------------- */
case 's': /* subsampling factor */
{
if (sscanf(opj_optarg, "%d,%d", &j2k_parameters->subsampling_dx,
&j2k_parameters->subsampling_dy) != 2) {
fprintf(stderr, "'-s' sub-sampling argument error ! [-s dx,dy]\n");
return 1;
}
}
break;
/* ----------------------------------------------------- */
case 'd': /* coordonnate of the reference grid */
{
if (sscanf(opj_optarg, "%d,%d", &j2k_parameters->image_offset_x0,
&j2k_parameters->image_offset_y0) != 2) {
fprintf(stderr, "-d 'coordonnate of the reference grid' argument "
"error !! [-d x0,y0]\n");
return 1;
}
}
break;
/* ----------------------------------------------------- */
case 'h': /* Display an help description */
help_display();
return 0;
break;
/* ----------------------------------------------------- */
case 'P': /* POC */
{
int numpocs = 0; /* number of progression order change (POC) default 0 */
opj_poc_t *POC = NULL; /* POC : used in case of Progression order change */
char *s = opj_optarg;
POC = j2k_parameters->POC;
while (sscanf(s, "T%d=%d,%d,%d,%d,%d,%4s", &POC[numpocs].tile,
&POC[numpocs].resno0, &POC[numpocs].compno0,
&POC[numpocs].layno1, &POC[numpocs].resno1,
&POC[numpocs].compno1, POC[numpocs].progorder) == 7) {
POC[numpocs].prg1 = give_progression(POC[numpocs].progorder);
numpocs++;
while (*s && *s != '/') {
s++;
}
if (!*s) {
break;
}
s++;
}
j2k_parameters->numpocs = numpocs;
}
break;
/* ------------------------------------------------------ */
case 'S': /* SOP marker */
j2k_parameters->csty |= 0x02;
break;
/* ------------------------------------------------------ */
case 'E': /* EPH marker */
j2k_parameters->csty |= 0x04;
break;
/* ------------------------------------------------------ */
case 'M': /* Mode switch pas tous au point !! */
if (sscanf(opj_optarg, "%d", &value) == 1) {
for (i = 0; i <= 5; i++) {
int cache = value & (1 << i);
if (cache)
j2k_parameters->mode |= (1 << i);
}
}
break;
/* ------------------------------------------------------ */
case 'R': /* ROI */
{
if (sscanf(opj_optarg, "OI:c=%d,U=%d", &j2k_parameters->roi_compno,
&j2k_parameters->roi_shift) != 2) {
fprintf(stderr, "ROI error !! [-ROI:c='compno',U='shift']\n");
return 1;
}
}
break;
/* ------------------------------------------------------ */
case 'T': /* Tile offset */
{
if (sscanf(opj_optarg, "%d,%d", &j2k_parameters->cp_tx0, &j2k_parameters->cp_ty0) != 2) {
fprintf(stderr, "-T 'tile offset' argument error !! [-T X0,Y0]");
return 1;
}
}
break;
/* ------------------------------------------------------ */
case 'C': /* Add a comment */
{
j2k_parameters->cp_comment = (char*)malloc(strlen(opj_optarg) + 1);
if(j2k_parameters->cp_comment) {
strcpy(j2k_parameters->cp_comment, opj_optarg);
}
}
break;
/* ------------------------------------------------------ */
case 'I': /* reversible or not */
{
j2k_parameters->irreversible = 1;
}
break;
/* ------------------------------------------------------ */
case 'W': /* Width and Height and Cb and Cr subsampling in case of YUV format files */
if (sscanf
(opj_optarg, "%d,%d,%d,%d", &mj2_parameters.w, &mj2_parameters.h, &mj2_parameters.CbCr_subsampling_dx,
&mj2_parameters.CbCr_subsampling_dy) != 4) {
fprintf(stderr, "-W argument error");
return 1;
}
break;
/* ------------------------------------------------------ */
case 'F': /* Video frame rate */
if (sscanf(opj_optarg, "%d", &mj2_parameters.frame_rate) != 1) {
fprintf(stderr, "-F argument error");
return 1;
}
break;
/* ------------------------------------------------------ */
case 'D': /* Depth: the precision */
if(sscanf(opj_optarg, "%d", &prec) != 1) prec = 0;
break;
default:
return 1;
}
}
/* Error messages */
/* -------------- */
if (!mj2_parameters.cod_format || !mj2_parameters.decod_format) {
fprintf(stderr,
"Usage: %s -i yuv-file -o mj2-file (+ options)\n",argv[0]);
return 1;
}
if(prec < 1 || prec > 16)
{
fprintf(stderr, "Error: Depth %d must be in the range 8 .. 16\n",prec);
return 1;
}
if ((j2k_parameters->cp_disto_alloc || j2k_parameters->cp_fixed_alloc || j2k_parameters->cp_fixed_quality)
&& (!(j2k_parameters->cp_disto_alloc ^ j2k_parameters->cp_fixed_alloc ^ j2k_parameters->cp_fixed_quality))) {
fprintf(stderr, "Error: options -r -q and -f cannot be used together !!\n");
return 1;
} /* mod fixed_quality */
/* if no rate entered, lossless by default */
if (j2k_parameters->tcp_numlayers == 0) {
j2k_parameters->tcp_rates[0] = 0; /* MOD antonin : losslessbug */
j2k_parameters->tcp_numlayers++;
j2k_parameters->cp_disto_alloc = 1;
}
if((j2k_parameters->cp_tx0 > j2k_parameters->image_offset_x0) || (j2k_parameters->cp_ty0 > j2k_parameters->image_offset_y0)) {
fprintf(stderr,
"Error: Tile offset dimension is unnappropriate --> TX0(%d)<=IMG_X0(%d) TYO(%d)<=IMG_Y0(%d) \n",
j2k_parameters->cp_tx0, j2k_parameters->image_offset_x0, j2k_parameters->cp_ty0, j2k_parameters->image_offset_y0);
return 1;
}
for (i = 0; i < j2k_parameters->numpocs; i++) {
if (j2k_parameters->POC[i].prg == -1) {
fprintf(stderr,
"Unrecognized progression order in option -P (POC n %d) [LRCP, RLCP, RPCL, PCRL, CPRL] !!\n",
i + 1);
}
}
if (j2k_parameters->cp_tdx > mj2_parameters.Dim[0] || j2k_parameters->cp_tdy > mj2_parameters.Dim[1]) {
fprintf(stderr,
"Error: Tile offset dimension is unnappropriate --> TX0(%d)<=IMG_X0(%d) TYO(%d)<=IMG_Y0(%d) \n",
j2k_parameters->cp_tdx, mj2_parameters.Dim[0], j2k_parameters->cp_tdy, mj2_parameters.Dim[1]);
return 1;
}
/* to respect profile - 0 */
/* ---------------------- */
x1 = !mj2_parameters.Dim[0] ? (mj2_parameters.w - 1) * j2k_parameters->subsampling_dx
+ 1 : mj2_parameters.Dim[0] + (mj2_parameters.w - 1) * j2k_parameters->subsampling_dx + 1;
y1 = !mj2_parameters.Dim[1] ? (mj2_parameters.h - 1) * j2k_parameters->subsampling_dy
+ 1 : mj2_parameters.Dim[1] + (mj2_parameters.h - 1) * j2k_parameters->subsampling_dy + 1;
mj2_parameters.numcomps = 3; /* YUV files only have 3 components */
mj2_parameters.prec = prec;
j2k_parameters->tcp_mct = 0;
mj2file = fopen(mj2_parameters.outfile, "wb");
if (!mj2file) {
fprintf(stderr, "failed to open %s for writing\n", argv[2]);
return 1;
}
/* get a MJ2 decompressor handle */
cinfo = mj2_create_compress();
movie = (opj_mj2_t*)cinfo->mj2_handle;
/* catch events using our callbacks and give a local context */
opj_set_event_mgr((opj_common_ptr)cinfo, &event_mgr, stderr);
/* setup encoder parameters */
mj2_setup_encoder(movie, &mj2_parameters);
movie->tk[0].num_samples =
yuv_num_frames(&movie->tk[0],mj2_parameters.infile);
if (movie->tk[0].num_samples == 0) {
return 1;
}
/* One sample per chunk*/
movie->tk[0].chunk = (mj2_chunk_t*)
malloc(movie->tk[0].num_samples * sizeof(mj2_chunk_t));
movie->tk[0].sample = (mj2_sample_t*)
malloc(movie->tk[0].num_samples * sizeof(mj2_sample_t));
if (mj2_init_stdmovie(movie)) {
fprintf(stderr, "Error with movie initialization");
return 1;
}
/* Writing JP, FTYP and MDAT boxes */
/* Assuming that the JP and FTYP boxes won't be longer than 300 bytes:*/
buf = (unsigned char*)
malloc (300 * sizeof(unsigned char));
cio = opj_cio_open((opj_common_ptr)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);
offset = cio_tell(cio);
opj_cio_close(cio);
free(buf);
for(i = 0; i < movie->num_stk + movie->num_htk + movie->num_vtk; i++)
{
if(movie->tk[i].track_type != 0)
{
fprintf(stderr, "Unable to write sound or hint tracks\n");
}
else
{
mj2_tk_t *tk;
int buflen = 0;
tk = &movie->tk[i];
tk->num_chunks = tk->num_samples;
numframes = tk->num_samples;
tk->depth = prec;
fprintf(stderr, "Video Track number %d\n", i);
img = mj2_image_create(tk, j2k_parameters);
buflen = 2 * (tk->w * tk->h * 8);
buf = (unsigned char *) malloc(buflen*sizeof(unsigned char));
for(sampleno = 0; sampleno < numframes; sampleno++)
{
double init_time = opj_clock();
double elapsed_time;
if(yuvtoimage(tk, img, sampleno, j2k_parameters,
mj2_parameters.infile))
{
fprintf(stderr, "Error with frame number %d in YUV file\n", sampleno);
return 1;
}
/* setup the encoder parameters using the current image and user parameters */
opj_setup_encoder(cinfo, j2k_parameters, img);
cio = opj_cio_open((opj_common_ptr)movie->cinfo, buf, buflen);
cio_skip(cio, 4);
cio_write(cio, JP2_JP2C, 4); /* JP2C*/
/* encode the image */
bSuccess = opj_encode(cinfo, cio, img, NULL);
if (!bSuccess) {
opj_cio_close(cio);
fprintf(stderr, "failed to encode image\n");
return 1;
}
len = cio_tell(cio) - 8;
cio_seek(cio, 0);
cio_write(cio, len+8,4);
opj_cio_close(cio);
tk->sample[sampleno].sample_size = len+8;
tk->sample[sampleno].offset = offset;
tk->chunk[sampleno].offset = offset; /* There is one sample per chunk */
fwrite(buf, 1, len+8, mj2file);
offset += len+8;
elapsed_time = opj_clock()-init_time;
fprintf(stderr, "Frame number %d/%d encoded in %.2f mseconds\n",
sampleno + 1, numframes, elapsed_time*1000);
total_time += elapsed_time;
} /* for(sampleno */
free(buf);
opj_image_destroy(img);
}
}/* for(i */
fseek(mj2file, mdat_initpos, SEEK_SET);
buf = (unsigned char*) malloc(4*sizeof(unsigned char));
/* Init a cio to write box length variable in a little endian way */
cio = opj_cio_open(NULL, buf, 4);
cio_write(cio, offset - mdat_initpos, 4);
fwrite(buf, 4, 1, mj2file);
fseek(mj2file,0,SEEK_END);
free(buf);
/* Writing MOOV box */
buf = (unsigned char*)
malloc ((TEMP_BUF+numframes*20) * sizeof(unsigned char));
cio = opj_cio_open(movie->cinfo, buf, (TEMP_BUF+numframes*20));
mj2_write_moov(movie, cio);
fwrite(buf,cio_tell(cio),1,mj2file);
free(buf);
fprintf(stdout,"Total encoding time: %.2f s for %d frames (%.1f fps)\n",
total_time, numframes, (float)numframes/total_time);
/* Ending program */
fclose(mj2file);
/* free remaining compression structures */
mj2_destroy_compress(movie);
free(cinfo);
if(j2k_parameters->cp_comment) free(j2k_parameters->cp_comment);
if(j2k_parameters->cp_matrice) free(j2k_parameters->cp_matrice);
opj_cio_close(cio);
return 0;
}
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];
unsigned char *buf;
int offset, mdat_initpos;
opj_image_t img;
opj_cio_t *cio;
mj2_cparameters_t parameters;
if (argc != 3) {
printf("Usage: %s source_location mj2_filename\n",argv[0]);
printf("Example: %s input/input output.mj2\n",argv[0]);
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((opj_mj2_t*)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 = (unsigned char*) malloc (300 * sizeof(unsigned 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 = (mj2_sample_t*)
realloc(movie->tk[0].sample, (snum+1) * sizeof(mj2_sample_t));
movie->tk[0].chunk = (mj2_chunk_t*)
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 = (unsigned char*) malloc (4 * sizeof(unsigned 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 = (unsigned char*) malloc ((TEMP_BUF+snum*20) * sizeof(unsigned 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;
}