-/* Copyright (c) 2003-2004, Fran�ois-Olivier Devaux
-* Copyright (c) 2003-2004, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+/*
+* Copyright (c) 2003-2004, Fran�ois-Olivier Devaux
+* Copyright (c) 2002-2004, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
* All rights reserved.
*
-* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* POSSIBILITY OF SUCH DAMAGE.
*/
-#include <openjpeg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
+#include "opj_includes.h"
#include "mj2.h"
#include "mj2_convert.h"
-int ceildiv(int a, int b)
-{
- return (a + b - 1) / b;
-}
-
-int main(int argc, char **argv)
-{
- FILE *f;
- char *src, *src_name;
- char *dest, S1, S2, S3;
- int len;
- j2k_cp_t cp;
- mj2_movie_t mj2_movie;
+/* -------------------------------------------------------------------------- */
+/**
+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);
+}
- if (argc < 3) {
- fprintf(stderr,
- "usage: %s j2k-file image-file -reduce n (<- optional)\n",
- argv[0]);
+/* -------------------------------------------------------------------------- */
+
+
+int main(int argc, char *argv[]) {
+ mj2_dparameters_t mj2_parameters; /* decompression parameters */
+ opj_dinfo_t* dinfo;
+ opj_event_mgr_t event_mgr; /* event manager */
+ opj_cio_t *cio = NULL;
+ unsigned int tnum, snum;
+ opj_mj2_t *movie;
+ mj2_tk_t *track;
+ mj2_sample_t *sample;
+ unsigned char* frame_codestream;
+ FILE *file, *outfile;
+ char outfilename[50];
+ opj_image_t *img = NULL;
+ unsigned int max_codstrm_size = 0;
+ double total_time = 0;
+ unsigned int numframes = 0;
+
+ if (argc != 3) {
+ printf("Bad syntax: Usage: mj2_to_frames inputfile.mj2 outputfile.yuv\n");
+ printf("Example: MJ2_decoder foreman.mj2 foreman.yuv\n");
return 1;
}
-
- f = fopen(argv[1], "rb");
- if (!f) {
+
+ file = fopen(argv[1], "rb");
+
+ if (!file) {
fprintf(stderr, "failed to open %s for reading\n", argv[1]);
return 1;
}
-
- dest = argv[2];
-
- cp.reduce_on = 0;
- cp.reduce_value = 0;
-
- /* OPTION REDUCE IS ACTIVE */
- if (argc == 5) {
- if (strcmp(argv[3], "-reduce")) {
- fprintf(stderr,
- "usage: options " "-reduce n"
- " where n is the factor of reduction [%s]\n", argv[3]);
- return 1;
- }
- cp.reduce_on = 1;
- sscanf(argv[4], "%d", &cp.reduce_value);
- }
-
- while (*dest) {
- dest++;
- }
- dest--;
- S3 = *dest;
- dest--;
- S2 = *dest;
- dest--;
- S1 = *dest;
-
- if (!((S1 == 'y' && S2 == 'u' && S3 == 'v')
- || (S1 == 'Y' && S2 == 'U' && S3 == 'V'))) {
- fprintf(stderr,
- "!! Unrecognized format for infile : %c%c%c [accept only *.yuv] !!\n\n",
- S1, S2, S3);
+
+ // Checking output file
+ outfile = fopen(argv[2], "w");
+ if (!file) {
+ fprintf(stderr, "failed to open %s for writing\n", argv[2]);
return 1;
}
-
- fseek(f, 0, SEEK_END);
- len = ftell(f);
- fseek(f, 0, SEEK_SET);
- src = (char *) malloc(len);
- fread(src, 1, len, f);
- fclose(f);
-
- src_name = argv[1];
- while (*src_name) {
- src_name++;
- }
- src_name--;
- S3 = *src_name;
- src_name--;
- S2 = *src_name;
- src_name--;
- S1 = *src_name;
-
- /* MJ2 format */
- if ((S1 == 'm' && S2 == 'j' && S3 == '2')
- || (S1 == 'M' && S2 == 'J' && S3 == '2')) {
- mj2_movie.num_stk = 0;
- mj2_movie.num_htk = 0;
- mj2_movie.num_vtk = 0;
- mj2_movie.mj2file = argv[1];
- if (mj2_decode(src, len, &mj2_movie, &cp, argv[2])) {
- fprintf(stderr, "mj2_to_frames: failed to decode image!\n");
- return 1;
+ fclose(outfile);
+
+ /*
+ 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;
+
+ /* get a MJ2 decompressor handle */
+ dinfo = mj2_create_decompress();
+ movie = dinfo->mj2_handle;
+
+ /* catch events using our callbacks and give a local context */
+ opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
+
+ /* set J2K decoding parameters to default values */
+ opj_set_default_decoder_parameters(&mj2_parameters.j2k_parameters);
+
+ /* setup the decoder decoding parameters using user parameters */
+ mj2_setup_decoder(dinfo->mj2_handle, &mj2_parameters);
+
+ if (mj2_read_struct(file, movie)) // Creating the movie structure
+ return 1;
+
+ // Decode first video track
+ for (tnum=0; tnum < (unsigned int)(movie->num_htk + movie->num_stk + movie->num_vtk); tnum++) {
+ if (movie->tk[tnum].track_type == 0)
+ break;
+ }
+
+ if (movie->tk[tnum].track_type != 0) {
+ printf("Error. Movie does not contain any video track\n");
+ return 1;
+ }
+
+ track = &movie->tk[tnum];
+
+ // Output info on first video tracl
+ fprintf(stdout,"The first video track contains %d frames.\nWidth: %d, Height: %d \n\n",
+ track->num_samples, track->w, track->h);
+
+ max_codstrm_size = track->sample[0].sample_size-8;
+ frame_codestream = (unsigned char*) malloc(max_codstrm_size * sizeof(unsigned char));
+
+ numframes = track->num_samples;
+
+ for (snum=0; snum < numframes; snum++)
+ {
+ double init_time = opj_clock();
+ double elapsed_time;
+ sample = &track->sample[snum];
+ if (sample->sample_size-8 > max_codstrm_size) {
+ max_codstrm_size = sample->sample_size-8;
+ if ((frame_codestream = realloc(frame_codestream, max_codstrm_size)) == NULL) {
+ printf("Error reallocation memory\n");
+ return 1;
+ };
+ }
+ fseek(file,sample->offset+8,SEEK_SET);
+ fread(frame_codestream, sample->sample_size-8, 1, file); // Assuming that jp and ftyp markers size do
+
+ /* open a byte stream */
+ cio = opj_cio_open((opj_common_ptr)dinfo, frame_codestream, sample->sample_size-8);
+
+ img = opj_decode(dinfo, cio); // Decode J2K to image
+
+ if (((img->numcomps == 3) && (img->comps[0].dx == img->comps[1].dx / 2)
+ && (img->comps[0].dx == img->comps[2].dx / 2 ) && (img->comps[0].dx == 1))
+ || (img->numcomps == 1)) {
+
+ if (!imagetoyuv(img, argv[2])) // Convert image to YUV
+ return 1;
}
- mj2_memory_free(&mj2_movie);
- } else {
- fprintf(stderr,
- "mj2_to_frames : Unknown format image *.%c%c%c [only *.mj2]!! \n",
- S1, S2, S3);
- return 1;
- }
-
- free(src);
+ else if ((img->numcomps == 3) &&
+ (img->comps[0].dx == 1) && (img->comps[1].dx == 1)&&
+ (img->comps[2].dx == 1))// If YUV 4:4:4 input --> to bmp
+ {
+ fprintf(stdout,"The frames will be output in a bmp format (output_1.bmp, ...)\n");
+ sprintf(outfilename,"output_%d.bmp",snum);
+ if (imagetobmp(img, outfilename)) // Convert image to YUV
+ return 1;
+
+ }
+ else {
+ fprintf(stdout,"Image component dimensions are unknown. Unable to output image\n");
+ fprintf(stdout,"The frames will be output in a j2k file (output_1.j2k, ...)\n");
+
+ sprintf(outfilename,"output_%d.j2k",snum);
+ outfile = fopen(outfilename, "wb");
+ if (!outfile) {
+ fprintf(stderr, "failed to open %s for writing\n",outfilename);
+ return 1;
+ }
+ fwrite(frame_codestream,sample->sample_size-8,1,outfile);
+ fclose(outfile);
+ }
+ /* close the byte stream */
+ opj_cio_close(cio);
+ /* free image data structure */
+ opj_image_destroy(img);
+ elapsed_time = opj_clock()-init_time;
+ fprintf(stderr, "Frame number %d/%d decoded in %.2f mseconds\n", snum + 1, numframes, elapsed_time*1000);
+ total_time += elapsed_time;
+ }
+
+ free(frame_codestream);
+ fclose(file);
+ /* free remaining structures */
+ if(dinfo) {
+ mj2_destroy_decompress((opj_mj2_t*)dinfo->mj2_handle);
+ }
+ free(dinfo);
+
+ fprintf(stdout, "%d frame(s) correctly decompressed\n", snum);
+ fprintf(stdout,"Total decoding time: %.2f seconds (%.1f fps)\n", total_time, (float)numframes/total_time);
+
return 0;
}
projects / openjpeg.git / blobdiff