226 lines
7.3 KiB
C
226 lines
7.3 KiB
C
/*
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* Copyright (c) 2003-2004, François-Olivier Devaux
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* Copyright (c) 2002-2004, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "openjpeg.h"
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#include "j2k_lib.h"
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#include "j2k.h"
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#include "jp2.h"
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#include "mj2.h"
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#include "mj2_convert.h"
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/* -------------------------------------------------------------------------- */
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/**
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sample error callback expecting a FILE* client object
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*/
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void error_callback(const char *msg, void *client_data) {
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FILE *stream = (FILE*)client_data;
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fprintf(stream, "[ERROR] %s", msg);
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}
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/**
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sample warning callback expecting a FILE* client object
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*/
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void warning_callback(const char *msg, void *client_data) {
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FILE *stream = (FILE*)client_data;
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fprintf(stream, "[WARNING] %s", msg);
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}
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/**
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sample debug callback expecting a FILE* client object
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*/
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void info_callback(const char *msg, void *client_data) {
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FILE *stream = (FILE*)client_data;
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fprintf(stream, "[INFO] %s", msg);
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}
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/* -------------------------------------------------------------------------- */
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int main(int argc, char *argv[]) {
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mj2_dparameters_t mj2_parameters; /* decompression parameters */
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opj_dinfo_t* dinfo;
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opj_event_mgr_t event_mgr; /* event manager */
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opj_cio_t *cio = NULL;
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unsigned int tnum, snum;
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opj_mj2_t *movie;
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mj2_tk_t *track;
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mj2_sample_t *sample;
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unsigned char* frame_codestream;
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FILE *file, *outfile;
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char outfilename[50];
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opj_image_t *img = NULL;
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unsigned int max_codstrm_size = 0;
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double total_time = 0;
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unsigned int numframes = 0;
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if (argc != 3) {
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printf("Bad syntax: Usage: mj2_to_frames inputfile.mj2 outputfile.yuv\n");
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printf("Example: MJ2_decoder foreman.mj2 foreman.yuv\n");
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return 1;
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}
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file = fopen(argv[1], "rb");
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if (!file) {
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fprintf(stderr, "failed to open %s for reading\n", argv[1]);
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return 1;
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}
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// Checking output file
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outfile = fopen(argv[2], "w");
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if (!file) {
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fprintf(stderr, "failed to open %s for writing\n", argv[2]);
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return 1;
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}
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fclose(outfile);
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/*
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configure the event callbacks (not required)
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setting of each callback is optionnal
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*/
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memset(&event_mgr, 0, sizeof(opj_event_mgr_t));
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event_mgr.error_handler = error_callback;
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event_mgr.warning_handler = warning_callback;
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event_mgr.info_handler = NULL;
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/* get a MJ2 decompressor handle */
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dinfo = mj2_create_decompress();
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movie = dinfo->mj2_handle;
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/* catch events using our callbacks and give a local context */
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opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr);
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/* set J2K decoding parameters to default values */
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opj_set_default_decoder_parameters(&mj2_parameters.j2k_parameters);
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/* setup the decoder decoding parameters using user parameters */
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mj2_setup_decoder(dinfo->mj2_handle, &mj2_parameters);
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if (mj2_read_struct(file, movie)) // Creating the movie structure
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return 1;
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// Decode first video track
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for (tnum=0; tnum < (unsigned int)(movie->num_htk + movie->num_stk + movie->num_vtk); tnum++) {
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if (movie->tk[tnum].track_type == 0)
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break;
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}
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if (movie->tk[tnum].track_type != 0) {
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printf("Error. Movie does not contain any video track\n");
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return 1;
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}
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track = &movie->tk[tnum];
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// Output info on first video tracl
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fprintf(stdout,"The first video track contains %d frames.\nWidth: %d, Height: %d \n\n",
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track->num_samples, track->w, track->h);
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max_codstrm_size = track->sample[0].sample_size-8;
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frame_codestream = (unsigned char*) malloc(max_codstrm_size * sizeof(unsigned char));
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numframes = track->num_samples;
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for (snum=0; snum < numframes; snum++)
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{
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double init_time = opj_clock();
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double elapsed_time;
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sample = &track->sample[snum];
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if (sample->sample_size-8 > max_codstrm_size) {
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max_codstrm_size = sample->sample_size-8;
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if ((frame_codestream = realloc(frame_codestream, max_codstrm_size)) == NULL) {
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printf("Error reallocation memory\n");
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return 1;
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};
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}
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fseek(file,sample->offset+8,SEEK_SET);
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fread(frame_codestream, sample->sample_size-8, 1, file); // Assuming that jp and ftyp markers size do
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/* open a byte stream */
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cio = opj_cio_open((opj_common_ptr)dinfo, frame_codestream, sample->sample_size-8);
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img = opj_decode(dinfo, cio); // Decode J2K to image
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if (((img->numcomps == 3) && (img->comps[0].dx == img->comps[1].dx / 2)
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&& (img->comps[0].dx == img->comps[2].dx / 2 ) && (img->comps[0].dx == 1))
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|| (img->numcomps == 1)) {
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if (!imagetoyuv(img, argv[2])) // Convert image to YUV
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return 1;
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}
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else if ((img->numcomps == 3) &&
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(img->comps[0].dx == 1) && (img->comps[1].dx == 1)&&
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(img->comps[2].dx == 1))// If YUV 4:4:4 input --> to bmp
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{
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fprintf(stdout,"The frames will be output in a bmp format (output_1.bmp, ...)\n");
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sprintf(outfilename,"output_%d.bmp",snum);
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if (imagetobmp(img, outfilename)) // Convert image to YUV
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return 1;
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}
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else {
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fprintf(stdout,"Image component dimensions are unknown. Unable to output image\n");
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fprintf(stdout,"The frames will be output in a j2k file (output_1.j2k, ...)\n");
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sprintf(outfilename,"output_%d.j2k",snum);
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outfile = fopen(outfilename, "wb");
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if (!outfile) {
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fprintf(stderr, "failed to open %s for writing\n",outfilename);
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return 1;
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}
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fwrite(frame_codestream,sample->sample_size-8,1,outfile);
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fclose(outfile);
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}
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/* close the byte stream */
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opj_cio_close(cio);
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/* free image data structure */
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opj_image_destroy(img);
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elapsed_time = opj_clock()-init_time;
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fprintf(stderr, "Frame number %d/%d decoded in %.2f mseconds\n", snum + 1, numframes, elapsed_time*1000);
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total_time += elapsed_time;
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}
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free(frame_codestream);
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fclose(file);
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/* free remaining structures */
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if(dinfo) {
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mj2_destroy_decompress((opj_mj2_t*)dinfo->mj2_handle);
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}
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free(dinfo);
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fprintf(stdout, "%d frame(s) correctly decompressed\n", snum);
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fprintf(stdout,"Total decoding time: %.2f seconds (%.1f fps)\n", total_time, (float)numframes/total_time);
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return 0;
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}
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