--- /dev/null
+/*
+* 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.
+*
+* 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"
+#include "mj2_convert.h"
+
+/* -------------------------------------------------------------------------- */
+
+/**
+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);
+}
+
+/* -------------------------------------------------------------------------- */
+
+
+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;
+ }
+
+ file = fopen(argv[1], "rb");
+
+ if (!file) {
+ fprintf(stderr, "failed to open %s for reading\n", argv[1]);
+ return 1;
+ }
+
+ // Checking output file
+ outfile = fopen(argv[2], "w");
+ if (!file) {
+ fprintf(stderr, "failed to open %s for writing\n", argv[2]);
+ 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;
+ }
+ 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