/* * Copyright (c) 2003-2004, Francois-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 #include #include #include "opj_apps_config.h" #include "openjpeg.h" #include "j2k_lib.h" #include "cio.h" #include "j2k.h" #include "jp2.h" #include "mj2.h" #include "mj2_convert.h" #ifdef OPJ_HAVE_LIBLCMS2 #include #endif #ifdef OPJ_HAVE_LIBLCMS1 #include #endif #include "color.h" /* -------------------------------------------------------------------------- */ /** sample error callback expecting a FILE* client object */ static 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 */ static void warning_callback(const char *msg, void *client_data) { FILE *stream = (FILE*)client_data; fprintf(stream, "[WARNING] %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("Usage: %s inputfile.mj2 outputfile.yuv\n", argv[0]); 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 (!outfile) { fprintf(stderr, "failed to open %s for writing\n", argv[2]); fclose(file); return 1; } fclose(outfile); /* configure the event callbacks (not required) setting of each callback is optional */ 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 = (opj_mj2_t*)dinfo->mj2_handle; /* catch events using our callbacks and give a local context */ opj_set_event_mgr((opj_common_ptr)dinfo, &event_mgr, stderr); memset(&mj2_parameters, 0, sizeof(mj2_dparameters_t)); /* 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(movie, &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 = (unsigned char*) realloc(frame_codestream, max_codstrm_size)) == NULL) { printf("Error reallocation memory\n"); free(frame_codestream); 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 */ #ifdef WANT_SYCC_TO_RGB if (img->color_space == CLRSPC_SYCC) { color_sycc_to_rgb(img); } #endif if (img->icc_profile_buf) { #if defined(OPJ_HAVE_LIBLCMS1) || defined(OPJ_HAVE_LIBLCMS2) color_apply_icc_profile(img); #endif free(img->icc_profile_buf); img->icc_profile_buf = NULL; img->icc_profile_len = 0; } 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 BMP */ 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; }