338 lines
12 KiB
C
338 lines
12 KiB
C
/*
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* Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
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* Copyright (c) 2002-2007, Professor Benoit Macq
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* Copyright (c) 2003-2007, Francois-Olivier Devaux
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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 "opj_includes.h"
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#include "mj2.h"
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/**
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Size of memory first allocated for MOOV box
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*/
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#define TEMP_BUF 10000
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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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static void read_siz_marker(FILE *file, opj_image_t *image)
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{
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int len,i;
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char buf, buf2[2];
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char *siz_buffer;
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opj_cio_t *cio;
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fseek(file, 0, SEEK_SET);
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do {
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fread(&buf,1,1, file);
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if (buf==(char)0xff)
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fread(&buf,1,1, file);
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}
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while (!(buf==(char)0x51));
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fread(buf2,2,1,file); /* Lsiz */
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len = ((buf2[0])<<8) + buf2[1];
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siz_buffer = (char*) malloc(len * sizeof(char));
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fread(siz_buffer,len, 1, file);
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cio = opj_cio_open(NULL, siz_buffer, len);
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cio_read(cio, 2); /* Rsiz (capabilities) */
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image->x1 = cio_read(cio, 4); /* Xsiz */
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image->y1 = cio_read(cio, 4); /* Ysiz */
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image->x0 = cio_read(cio, 4); /* X0siz */
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image->y0 = cio_read(cio, 4); /* Y0siz */
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cio_skip(cio, 16); /* XTsiz, YTsiz, XT0siz, YT0siz */
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image->numcomps = cio_read(cio,2); /* Csiz */
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image->comps =
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(opj_image_comp_t *) malloc(image->numcomps * sizeof(opj_image_comp_t));
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for (i = 0; i < image->numcomps; i++) {
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int tmp;
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tmp = cio_read(cio,1); /* Ssiz_i */
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image->comps[i].prec = (tmp & 0x7f) + 1;
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image->comps[i].sgnd = tmp >> 7;
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image->comps[i].dx = cio_read(cio,1); /* XRsiz_i */
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image->comps[i].dy = cio_read(cio,1); /* YRsiz_i */
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image->comps[i].resno_decoded = 0; /* number of resolution decoded */
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image->comps[i].factor = 0; /* reducing factor by component */
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}
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fseek(file, 0, SEEK_SET);
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opj_cio_close(cio);
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}
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static void setparams(opj_mj2_t *movie, opj_image_t *image) {
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int i, depth_0, depth, sign;
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movie->tk[0].sample_rate = 25;
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movie->tk[0].w = int_ceildiv(image->x1 - image->x0, image->comps[0].dx);
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movie->tk[0].h = int_ceildiv(image->y1 - image->y0, image->comps[0].dy);
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mj2_init_stdmovie(movie);
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movie->tk[0].depth = image->comps[0].prec;
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if (image->numcomps==3) {
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if ((image->comps[0].dx == 1) && (image->comps[1].dx == 1) && (image->comps[1].dx == 1))
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movie->tk[0].CbCr_subsampling_dx = 1;
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else if ((image->comps[0].dx == 1) && (image->comps[1].dx == 2) && (image->comps[1].dx == 2))
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movie->tk[0].CbCr_subsampling_dx = 2;
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else
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fprintf(stderr,"Image component sizes are incoherent\n");
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if ((image->comps[0].dy == 1) && (image->comps[1].dy == 1) && (image->comps[1].dy == 1))
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movie->tk[0].CbCr_subsampling_dy = 1;
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else if ((image->comps[0].dy == 1) && (image->comps[1].dy == 2) && (image->comps[1].dy == 2))
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movie->tk[0].CbCr_subsampling_dy = 2;
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else
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fprintf(stderr,"Image component sizes are incoherent\n");
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}
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movie->tk[0].sample_rate = 25;
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movie->tk[0].jp2_struct.numcomps = image->numcomps; // NC
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/* Init Standard jp2 structure */
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movie->tk[0].jp2_struct.comps =
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(opj_jp2_comps_t *) malloc(movie->tk[0].jp2_struct.numcomps * sizeof(opj_jp2_comps_t));
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movie->tk[0].jp2_struct.precedence = 0; /* PRECEDENCE*/
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movie->tk[0].jp2_struct.approx = 0; /* APPROX*/
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movie->tk[0].jp2_struct.brand = JP2_JP2; /* BR */
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movie->tk[0].jp2_struct.minversion = 0; /* MinV */
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movie->tk[0].jp2_struct.numcl = 1;
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movie->tk[0].jp2_struct.cl = (unsigned int *) malloc(movie->tk[0].jp2_struct.numcl * sizeof(int));
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movie->tk[0].jp2_struct.cl[0] = JP2_JP2; /* CL0 : JP2 */
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movie->tk[0].jp2_struct.C = 7; /* C : Always 7*/
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movie->tk[0].jp2_struct.UnkC = 0; /* UnkC, colorspace specified in colr box*/
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movie->tk[0].jp2_struct.IPR = 0; /* IPR, no intellectual property*/
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movie->tk[0].jp2_struct.w = int_ceildiv(image->x1 - image->x0, image->comps[0].dx);
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movie->tk[0].jp2_struct.h = int_ceildiv(image->y1 - image->y0, image->comps[0].dy);
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depth_0 = image->comps[0].prec - 1;
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sign = image->comps[0].sgnd;
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movie->tk[0].jp2_struct.bpc = depth_0 + (sign << 7);
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for (i = 1; i < image->numcomps; i++) {
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depth = image->comps[i].prec - 1;
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sign = image->comps[i].sgnd;
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if (depth_0 != depth)
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movie->tk[0].jp2_struct.bpc = 255;
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}
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for (i = 0; i < image->numcomps; i++)
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movie->tk[0].jp2_struct.comps[i].bpcc =
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image->comps[i].prec - 1 + (image->comps[i].sgnd << 7);
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if ((image->numcomps == 1 || image->numcomps == 3)
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&& (movie->tk[0].jp2_struct.bpc != 255))
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movie->tk[0].jp2_struct.meth = 1;
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else
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movie->tk[0].jp2_struct.meth = 2;
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if (image->numcomps == 1)
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movie->tk[0].jp2_struct.enumcs = 17; // Grayscale
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else if ((image->comps[0].dx == 1) && (image->comps[1].dx == 1) && (image->comps[1].dx == 1) &&
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(image->comps[0].dy == 1) && (image->comps[1].dy == 1) && (image->comps[1].dy == 1))
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movie->tk[0].jp2_struct.enumcs = 16; // RGB
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else if ((image->comps[0].dx == 1) && (image->comps[1].dx == 2) && (image->comps[1].dx == 2) &&
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(image->comps[0].dy == 1) && (image->comps[1].dy == 2) && (image->comps[1].dy == 2))
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movie->tk[0].jp2_struct.enumcs = 18; // YUV
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else
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movie->tk[0].jp2_struct.enumcs = 0; // Unkown profile */
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}
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int main(int argc, char *argv[]) {
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opj_cinfo_t* cinfo;
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opj_event_mgr_t event_mgr; /* event manager */
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unsigned int snum;
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opj_mj2_t *movie;
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mj2_sample_t *sample;
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unsigned char* frame_codestream;
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FILE *mj2file, *j2kfile;
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char j2kfilename[50];
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char *buf;
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int offset, mdat_initpos;
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opj_image_t img;
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opj_cio_t *cio;
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mj2_cparameters_t parameters;
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if (argc != 3) {
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printf("Bad syntax: Usage: MJ2_Wrapper source_location mj2_filename\n");
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printf("Example: MJ2_Wrapper input/input output.mj2\n");
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return 1;
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}
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mj2file = fopen(argv[2], "wb");
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if (!mj2file) {
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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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/*
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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 = info_callback;
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/* get a MJ2 decompressor handle */
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cinfo = mj2_create_compress();
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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)cinfo, &event_mgr, stderr);
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/* setup the decoder encoding parameters using user parameters */
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movie = (opj_mj2_t*) cinfo->mj2_handle;
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mj2_setup_encoder(cinfo->mj2_handle, ¶meters);
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/* Writing JP, FTYP and MDAT boxes
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Assuming that the JP and FTYP boxes won't be longer than 300 bytes */
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buf = (char*) malloc (300 * sizeof(char));
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cio = opj_cio_open(movie->cinfo, buf, 300);
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mj2_write_jp(cio);
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mj2_write_ftyp(movie, cio);
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mdat_initpos = cio_tell(cio);
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cio_skip(cio, 4);
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cio_write(cio,MJ2_MDAT, 4);
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fwrite(buf,cio_tell(cio),1,mj2file);
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free(buf);
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// Insert each j2k codestream in a JP2C box
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snum=0;
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offset = 0;
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while(1)
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{
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sample = &movie->tk[0].sample[snum];
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sprintf(j2kfilename,"%s_%05d.j2k",argv[1],snum);
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j2kfile = fopen(j2kfilename, "rb");
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if (!j2kfile) {
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if (snum==0) { // Could not open a single codestream
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fprintf(stderr, "failed to open %s for reading\n",j2kfilename);
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return 1;
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}
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else { // Tried to open a inexistant codestream
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fprintf(stdout,"%d frames are being added to the MJ2 file\n",snum);
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break;
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}
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}
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// Calculating offset for samples and chunks
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offset += cio_tell(cio);
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sample->offset = offset;
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movie->tk[0].chunk[snum].offset = offset; // There will be one sample per chunk
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// Calculating sample size
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fseek(j2kfile,0,SEEK_END);
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sample->sample_size = ftell(j2kfile) + 8; // Sample size is codestream + JP2C box header
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fseek(j2kfile,0,SEEK_SET);
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// Reading siz marker of j2k image for the first codestream
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if (snum==0)
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read_siz_marker(j2kfile, &img);
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// Writing JP2C box header
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frame_codestream = (unsigned char*) malloc (sample->sample_size+8);
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cio = opj_cio_open(movie->cinfo, frame_codestream, sample->sample_size);
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cio_write(cio,sample->sample_size, 4); // Sample size
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cio_write(cio,JP2_JP2C, 4); // JP2C
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// Writing codestream from J2K file to MJ2 file
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fread(frame_codestream+8,sample->sample_size-8,1,j2kfile);
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fwrite(frame_codestream,sample->sample_size,1,mj2file);
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cio_skip(cio, sample->sample_size-8);
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// Ending loop
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fclose(j2kfile);
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snum++;
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movie->tk[0].sample = realloc(movie->tk[0].sample, (snum+1) * sizeof(mj2_sample_t));
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movie->tk[0].chunk = realloc(movie->tk[0].chunk, (snum+1) * sizeof(mj2_chunk_t));
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free(frame_codestream);
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}
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// Writing the MDAT box length in header
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offset += cio_tell(cio);
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buf = (char*) malloc (4 * sizeof(char));
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cio = opj_cio_open(movie->cinfo, buf, 4);
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cio_write(cio,offset-mdat_initpos,4);
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fseek(mj2file,(long)mdat_initpos,SEEK_SET);
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fwrite(buf,4,1,mj2file);
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fseek(mj2file,0,SEEK_END);
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free(buf);
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// Setting movie parameters
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movie->tk[0].num_samples=snum;
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movie->tk[0].num_chunks=snum;
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setparams(movie, &img);
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// Writing MOOV box
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buf = (char*) malloc ((TEMP_BUF+snum*20) * sizeof(char));
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cio = opj_cio_open(movie->cinfo, buf, (TEMP_BUF+snum*20));
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mj2_write_moov(movie, cio);
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fwrite(buf,cio_tell(cio),1,mj2file);
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// Ending program
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fclose(mj2file);
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free(img.comps);
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opj_cio_close(cio);
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mj2_destroy_compress(movie);
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return 0;
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}
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