--- /dev/null
+#include <stdio.h>
+#include <malloc.h>
+#include <setjmp.h>
+#include <string.h>
+
+#include "mj2.h"
+#include <cio.h>
+#include <j2k.h>
+#include <int.h>
+
+#define MJ2_MJ2 0x6d6a7032
+#define MJ2_MJ2S 0x6d6a3273
+#define JP2_JP2C 0x6a703263
+#define MJ2_MDAT 0x6d646174
+
+//MEMORY LEAK
+#ifdef _DEBUG
+#define _CRTDBG_MAP_ALLOC
+#include <stdlib.h> // Must be included first
+#include <crtdbg.h>
+#endif
+//MEM
+
+jmp_buf j2k_error;
+
+void j2k_read_siz_marker(FILE *file, j2k_image_t *j2k_img)
+{
+ int len,i;
+ char buf, buf2[2];
+ char *siz_buffer;
+
+ 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_init(siz_buffer,len);
+
+ cio_read(2); /* Rsiz (capabilities) */
+ j2k_img->x1 = cio_read(4); /* Xsiz */
+ j2k_img->y1 = cio_read(4); /* Ysiz */
+ j2k_img->x0 = cio_read(4); /* X0siz */
+ j2k_img->y0 = cio_read(4); /* Y0siz */
+ cio_skip(16); /* XTsiz, YTsiz, XT0siz, YT0siz */
+
+ j2k_img->numcomps = cio_read(2); /* Csiz */
+ j2k_img->comps =
+ (j2k_comp_t *) malloc(j2k_img->numcomps * sizeof(j2k_comp_t));
+ for (i = 0; i < j2k_img->numcomps; i++) {
+ int tmp;
+ tmp = cio_read(1); /* Ssiz_i */
+ j2k_img->comps[i].prec = (tmp & 0x7f) + 1;
+ j2k_img->comps[i].sgnd = tmp >> 7;
+ j2k_img->comps[i].dx = cio_read(1); /* XRsiz_i */
+ j2k_img->comps[i].dy = cio_read(1); /* YRsiz_i */
+ j2k_img->comps[i].resno_decoded = 0; /* number of resolution decoded */
+ j2k_img->comps[i].factor = 0; /* reducing factor by component */
+ }
+ free(siz_buffer);
+ fseek(file, 0, SEEK_SET);
+}
+
+void setparams(mj2_movie_t *movie, j2k_image_t *img) {
+ int i, depth_0, depth, sign;
+
+ movie->tk[0].sample_rate = 25;
+ movie->tk[0].w = int_ceildiv(img->x1 - img->x0, img->comps[0].dx);
+ movie->tk[0].h = int_ceildiv(img->y1 - img->y0, img->comps[0].dy);
+ mj2_init_stdmovie(movie);
+
+ movie->tk[0].depth = img->comps[0].prec;
+
+ if (img->numcomps==3) {
+ if ((img->comps[0].dx == 1) && (img->comps[1].dx == 1) && (img->comps[1].dx == 1))
+ movie->tk[0].CbCr_subsampling_dx = 1;
+ else if ((img->comps[0].dx == 1) && (img->comps[1].dx == 2) && (img->comps[1].dx == 2))
+ movie->tk[0].CbCr_subsampling_dx = 2;
+ else
+ fprintf(stderr,"Image component sizes are incoherent\n");
+
+ if ((img->comps[0].dy == 1) && (img->comps[1].dy == 1) && (img->comps[1].dy == 1))
+ movie->tk[0].CbCr_subsampling_dy = 1;
+ else if ((img->comps[0].dy == 1) && (img->comps[1].dy == 2) && (img->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 = img->numcomps; // NC
+ jp2_init_stdjp2(&movie->tk[0].jp2_struct);
+
+ movie->tk[0].jp2_struct.w = int_ceildiv(img->x1 - img->x0, img->comps[0].dx);
+ movie->tk[0].jp2_struct.h = int_ceildiv(img->y1 - img->y0, img->comps[0].dy);
+
+ depth_0 = img->comps[0].prec - 1;
+ sign = img->comps[0].sgnd;
+ movie->tk[0].jp2_struct.bpc = depth_0 + (sign << 7);
+
+ for (i = 1; i < img->numcomps; i++) {
+ depth = img->comps[i].prec - 1;
+ sign = img->comps[i].sgnd;
+ if (depth_0 != depth)
+ movie->tk[0].jp2_struct.bpc = 255;
+ }
+
+ for (i = 0; i < img->numcomps; i++)
+ movie->tk[0].jp2_struct.comps[i].bpcc =
+ img->comps[i].prec - 1 + (img->comps[i].sgnd << 7);
+
+ if ((img->numcomps == 1 || img->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 (img->numcomps == 1)
+ movie->tk[0].jp2_struct.enumcs = 17; // Grayscale
+
+ else if ((img->comps[0].dx == 1) && (img->comps[1].dx == 1) && (img->comps[1].dx == 1) &&
+ (img->comps[0].dy == 1) && (img->comps[1].dy == 1) && (img->comps[1].dy == 1))
+ movie->tk[0].jp2_struct.enumcs = 16; // RGB
+
+ else if ((img->comps[0].dx == 1) && (img->comps[1].dx == 2) && (img->comps[1].dx == 2) &&
+ (img->comps[0].dy == 1) && (img->comps[1].dy == 2) && (img->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[]) {
+
+ unsigned int snum;
+ mj2_movie_t movie;
+ mj2_sample_t *sample;
+ unsigned char* frame_codestream;
+ FILE *mj2file, *j2kfile;
+ char j2kfilename[50];
+ char *buf;
+ int offset, mdat_initpos;
+ j2k_image_t img;
+ int pos, i;
+
+ 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;
+ }
+
+ // Initialing the movie (parameters used in the JP and FTYP boxes
+ movie.num_htk = 0; // No hint tracks
+ movie.num_stk = 0; // No sound tracks
+ movie.num_vtk = 1; // One video track
+ movie.tk = (mj2_tk_t*) malloc (sizeof(mj2_tk_t)); //Memory allocation for the video track
+ movie.tk[0].sample = (mj2_sample_t*) malloc (sizeof(mj2_sample_t));
+ movie.tk[0].chunk = (mj2_chunk_t *) malloc(sizeof(mj2_chunk_t));
+ movie.tk[0].track_type = 0; // Video track
+ movie.tk[0].track_ID = 1; // Track ID = 1
+ movie.brand = MJ2_MJ2; // One brand: MJ2
+ movie.num_cl = 2; // Two compatible brands: MJ2 and MJ2S
+ movie.cl = (unsigned int *) malloc(movie.num_cl * sizeof(unsigned int));
+ movie.cl[0] = MJ2_MJ2;
+ movie.cl[1] = MJ2_MJ2S;
+ movie.minversion = 0; // Minimum version: 0
+
+ // Writing JP, FTYP and MDAT boxes
+ buf = (char*) malloc (300 * sizeof(char)); // Assuming that the JP and FTYP
+ // boxes won't be longer than 300 bytes
+ cio_init(buf , 300);
+ mj2_write_jp();
+ mj2_write_ftyp(&movie);
+ mdat_initpos = cio_tell();
+ cio_skip(4);
+ cio_write(MJ2_MDAT, 4);
+ fwrite(buf,cio_tell(),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_%d.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 created\n",snum);
+ break;
+ }
+ }
+ // Calculating offset for samples and chunks
+ offset += cio_tell();
+ 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)
+ j2k_read_siz_marker(j2kfile, &img);
+
+ // Writing JP2C box header
+ frame_codestream = (unsigned char*) malloc (sample->sample_size+8);
+ cio_init(frame_codestream, sample->sample_size);
+ cio_write(sample->sample_size, 4); // Sample size
+ cio_write(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(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();
+ buf = (char*) malloc (4 * sizeof(char));
+ cio_init(buf,4);
+ cio_write(offset-mdat_initpos,4); // Write MDAT length in MDAT box header
+ 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
+ i=1;
+ buf = (char*) malloc (10000 * sizeof(char));
+ cio_init(buf , i*10000);
+ if (setjmp(j2k_error)) {
+ i++;
+ realloc(buf,i*10000* sizeof(char));
+ pos = cio_tell();
+ cio_init(buf , i*10000);
+ cio_seek(pos);
+ }
+ mj2_write_moov(&movie);
+ fwrite(buf,cio_tell(),1,mj2file);
+
+ // Ending program
+ fclose(mj2file);
+ free(img.comps);
+ free(buf);
+ mj2_memory_free(&movie);
+
+
+ //MEMORY LEAK
+ #ifdef _DEBUG
+ _CrtDumpMemoryLeaks();
+ #endif
+ //MEM
+
+ return 0;
+}
\ No newline at end of file
projects / openjpeg.git / commitdiff