/* * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium * Copyright (c) 2002-2007, Professor Benoit Macq * Copyright (c) 2003-2007, Francois-Olivier Devaux * 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 "openjpeg.h" #include "j2k.h" #include "jp2.h" #include "cio.h" #include "mj2.h" static int int_ceildiv(int a, int b) { return (a + b - 1) / b; } /** Size of memory first allocated for MOOV box */ #define TEMP_BUF 10000 /* -------------------------------------------------------------------------- */ /** 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); } /* -------------------------------------------------------------------------- */ static void read_siz_marker(FILE *file, opj_image_t *image) { int len,i; char buf, buf2[2]; char *siz_buffer; opj_cio_t *cio; 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 = opj_cio_open(NULL, siz_buffer, len); cio_read(cio, 2); /* Rsiz (capabilities) */ image->x1 = cio_read(cio, 4); /* Xsiz */ image->y1 = cio_read(cio, 4); /* Ysiz */ image->x0 = cio_read(cio, 4); /* X0siz */ image->y0 = cio_read(cio, 4); /* Y0siz */ cio_skip(cio, 16); /* XTsiz, YTsiz, XT0siz, YT0siz */ image->numcomps = cio_read(cio,2); /* Csiz */ image->comps = (opj_image_comp_t *) malloc(image->numcomps * sizeof(opj_image_comp_t)); for (i = 0; i < image->numcomps; i++) { int tmp; tmp = cio_read(cio,1); /* Ssiz_i */ image->comps[i].prec = (tmp & 0x7f) + 1; image->comps[i].sgnd = tmp >> 7; image->comps[i].dx = cio_read(cio,1); /* XRsiz_i */ image->comps[i].dy = cio_read(cio,1); /* YRsiz_i */ image->comps[i].resno_decoded = 0; /* number of resolution decoded */ image->comps[i].factor = 0; /* reducing factor by component */ } fseek(file, 0, SEEK_SET); opj_cio_close(cio); } static void setparams(opj_mj2_t *movie, opj_image_t *image) { int i, depth_0, depth, sign; movie->tk[0].sample_rate = 25; movie->tk[0].w = int_ceildiv(image->x1 - image->x0, image->comps[0].dx); movie->tk[0].h = int_ceildiv(image->y1 - image->y0, image->comps[0].dy); mj2_init_stdmovie(movie); movie->tk[0].depth = image->comps[0].prec; if (image->numcomps==3) { if ((image->comps[0].dx == 1) && (image->comps[1].dx == 1) && (image->comps[1].dx == 1)) movie->tk[0].CbCr_subsampling_dx = 1; else if ((image->comps[0].dx == 1) && (image->comps[1].dx == 2) && (image->comps[1].dx == 2)) movie->tk[0].CbCr_subsampling_dx = 2; else fprintf(stderr,"Image component sizes are incoherent\n"); if ((image->comps[0].dy == 1) && (image->comps[1].dy == 1) && (image->comps[1].dy == 1)) movie->tk[0].CbCr_subsampling_dy = 1; else if ((image->comps[0].dy == 1) && (image->comps[1].dy == 2) && (image->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 = image->numcomps; // NC /* Init Standard jp2 structure */ movie->tk[0].jp2_struct.comps = (opj_jp2_comps_t *) malloc(movie->tk[0].jp2_struct.numcomps * sizeof(opj_jp2_comps_t)); movie->tk[0].jp2_struct.precedence = 0; /* PRECEDENCE*/ movie->tk[0].jp2_struct.approx = 0; /* APPROX*/ movie->tk[0].jp2_struct.brand = JP2_JP2; /* BR */ movie->tk[0].jp2_struct.minversion = 0; /* MinV */ movie->tk[0].jp2_struct.numcl = 1; movie->tk[0].jp2_struct.cl = (unsigned int *) malloc(movie->tk[0].jp2_struct.numcl * sizeof(int)); movie->tk[0].jp2_struct.cl[0] = JP2_JP2; /* CL0 : JP2 */ movie->tk[0].jp2_struct.C = 7; /* C : Always 7*/ movie->tk[0].jp2_struct.UnkC = 0; /* UnkC, colorspace specified in colr box*/ movie->tk[0].jp2_struct.IPR = 0; /* IPR, no intellectual property*/ movie->tk[0].jp2_struct.w = int_ceildiv(image->x1 - image->x0, image->comps[0].dx); movie->tk[0].jp2_struct.h = int_ceildiv(image->y1 - image->y0, image->comps[0].dy); depth_0 = image->comps[0].prec - 1; sign = image->comps[0].sgnd; movie->tk[0].jp2_struct.bpc = depth_0 + (sign << 7); for (i = 1; i < image->numcomps; i++) { depth = image->comps[i].prec - 1; sign = image->comps[i].sgnd; if (depth_0 != depth) movie->tk[0].jp2_struct.bpc = 255; } for (i = 0; i < image->numcomps; i++) movie->tk[0].jp2_struct.comps[i].bpcc = image->comps[i].prec - 1 + (image->comps[i].sgnd << 7); if ((image->numcomps == 1 || image->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 (image->numcomps == 1) movie->tk[0].jp2_struct.enumcs = 17; // Grayscale else if ((image->comps[0].dx == 1) && (image->comps[1].dx == 1) && (image->comps[1].dx == 1) && (image->comps[0].dy == 1) && (image->comps[1].dy == 1) && (image->comps[1].dy == 1)) movie->tk[0].jp2_struct.enumcs = 16; // RGB else if ((image->comps[0].dx == 1) && (image->comps[1].dx == 2) && (image->comps[1].dx == 2) && (image->comps[0].dy == 1) && (image->comps[1].dy == 2) && (image->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[]) { opj_cinfo_t* cinfo; opj_event_mgr_t event_mgr; /* event manager */ unsigned int snum; opj_mj2_t *movie; mj2_sample_t *sample; unsigned char* frame_codestream; FILE *mj2file, *j2kfile; char j2kfilename[50]; char *buf; int offset, mdat_initpos; opj_image_t img; opj_cio_t *cio; mj2_cparameters_t parameters; 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; } /* 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 = info_callback; /* get a MJ2 decompressor handle */ cinfo = mj2_create_compress(); /* catch events using our callbacks and give a local context */ opj_set_event_mgr((opj_common_ptr)cinfo, &event_mgr, stderr); /* setup the decoder encoding parameters using user parameters */ movie = (opj_mj2_t*) cinfo->mj2_handle; mj2_setup_encoder(cinfo->mj2_handle, ¶meters); /* Writing JP, FTYP and MDAT boxes Assuming that the JP and FTYP boxes won't be longer than 300 bytes */ buf = (char*) malloc (300 * sizeof(char)); cio = opj_cio_open(movie->cinfo, buf, 300); mj2_write_jp(cio); mj2_write_ftyp(movie, cio); mdat_initpos = cio_tell(cio); cio_skip(cio, 4); cio_write(cio,MJ2_MDAT, 4); fwrite(buf,cio_tell(cio),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_%05d.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 are being added to the MJ2 file\n",snum); break; } } // Calculating offset for samples and chunks offset += cio_tell(cio); 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) read_siz_marker(j2kfile, &img); // Writing JP2C box header frame_codestream = (unsigned char*) malloc (sample->sample_size+8); cio = opj_cio_open(movie->cinfo, frame_codestream, sample->sample_size); cio_write(cio,sample->sample_size, 4); // Sample size cio_write(cio,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(cio, 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(cio); buf = (char*) malloc (4 * sizeof(char)); cio = opj_cio_open(movie->cinfo, buf, 4); cio_write(cio,offset-mdat_initpos,4); 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 buf = (char*) malloc ((TEMP_BUF+snum*20) * sizeof(char)); cio = opj_cio_open(movie->cinfo, buf, (TEMP_BUF+snum*20)); mj2_write_moov(movie, cio); fwrite(buf,cio_tell(cio),1,mj2file); // Ending program fclose(mj2file); free(img.comps); opj_cio_close(cio); mj2_destroy_compress(movie); return 0; }