137 lines
3.9 KiB
C
137 lines
3.9 KiB
C
/*
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* Copyright (c) 2012, Mathieu Malaterre
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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 <assert.h>
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#include <string.h>
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#include <stdio.h>
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#include "opj_config.h"
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#include "openjpeg.h"
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#define J2K_CFMT 0
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void error_callback(const char *msg, void *v);
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void warning_callback(const char *msg, void *v);
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void info_callback(const char *msg, void *v);
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void error_callback(const char *msg, void *v) {
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(void)msg;
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(void)v;
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assert(0);
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}
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void warning_callback(const char *msg, void *v) {
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(void)msg;
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(void)v;
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puts(msg);
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}
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void info_callback(const char *msg, void *v) {
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(void)msg;
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(void)v;
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puts(msg);
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}
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int main(int argc, char *argv[])
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{
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const char * v = opj_version();
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const OPJ_COLOR_SPACE color_space = OPJ_CLRSPC_GRAY;
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int numcomps = 1;
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int i;
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int image_width = 256;
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int image_height = 256;
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opj_cparameters_t parameters;
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int subsampling_dx = 0;
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int subsampling_dy = 0;
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opj_image_cmptparm_t cmptparm;
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opj_image_t *image;
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opj_codec_t* l_codec = 00;
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OPJ_BOOL bSuccess;
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FILE *f;
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opj_stream_t *l_stream = 00;
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(void)argc;
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(void)argv;
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opj_set_default_encoder_parameters(¶meters);
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parameters.cod_format = J2K_CFMT;
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puts(v);
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cmptparm.prec = 8;
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cmptparm.bpp = 8;
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cmptparm.sgnd = 0;
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cmptparm.dx = subsampling_dx;
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cmptparm.dy = subsampling_dy;
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cmptparm.w = image_width;
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cmptparm.h = image_height;
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image = opj_image_create(numcomps, &cmptparm, color_space);
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assert( image );
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for (i = 0; i < image_width * image_height; i++)
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{
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int compno;
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for(compno = 0; compno < numcomps; compno++)
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{
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image->comps[compno].data[i] = 0;
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}
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}
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/* catch events using our callbacks and give a local context */
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opj_set_info_handler(l_codec, info_callback,00);
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opj_set_warning_handler(l_codec, warning_callback,00);
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opj_set_error_handler(l_codec, error_callback,00);
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l_codec = opj_create_compress(OPJ_CODEC_J2K);
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opj_set_info_handler(l_codec, info_callback,00);
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opj_set_warning_handler(l_codec, warning_callback,00);
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opj_set_error_handler(l_codec, error_callback,00);
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opj_setup_encoder(l_codec, ¶meters, image);
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strcpy(parameters.outfile, "testempty1.j2k");
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f = fopen(parameters.outfile, "wb");
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assert( f );
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l_stream = opj_stream_create_default_file_stream(f,OPJ_FALSE);
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assert(l_stream);
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bSuccess = opj_start_compress(l_codec,image,l_stream);
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assert( bSuccess );
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bSuccess = opj_encode(l_codec, l_stream);
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assert( bSuccess );
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bSuccess = opj_end_compress(l_codec, l_stream);
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assert( bSuccess );
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opj_stream_destroy(l_stream);
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fclose(f);
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opj_destroy_codec(l_codec);
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opj_image_destroy(image);
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puts( "end" );
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return 0;
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}
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