openjpeg/tests/unit/testempty2.c

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/*
* Copyright (c) 2012, Mathieu Malaterre
* 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 <assert.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include "opj_config.h"
#include "openjpeg.h"
#define J2K_CFMT 0
void error_callback(const char *msg, void *v);
void warning_callback(const char *msg, void *v);
void info_callback(const char *msg, void *v);
void error_callback(const char *msg, void *v) {
(void)msg;
(void)v;
puts(msg);
}
void warning_callback(const char *msg, void *v) {
(void)msg;
(void)v;
puts(msg);
}
void info_callback(const char *msg, void *v) {
(void)msg;
(void)v;
puts(msg);
}
int main(int argc, char *argv[])
{
const char * v = opj_version();
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const OPJ_COLOR_SPACE color_space = OPJ_CLRSPC_GRAY;
unsigned int numcomps = 1;
unsigned int i;
unsigned int image_width = 256;
unsigned int image_height = 256;
opj_cparameters_t parameters;
unsigned int subsampling_dx;
unsigned int subsampling_dy;
const char outputfile[] = "testempty2.j2k";
opj_image_cmptparm_t cmptparm;
opj_image_t *image;
opj_codec_t* l_codec = 00;
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OPJ_BOOL bSuccess;
opj_stream_t *l_stream = 00;
(void)argc;
(void)argv;
opj_set_default_encoder_parameters(&parameters);
parameters.cod_format = J2K_CFMT;
puts(v);
subsampling_dx = (unsigned int)parameters.subsampling_dx;
subsampling_dy = (unsigned int)parameters.subsampling_dy;
cmptparm.prec = 8;
cmptparm.bpp = 8;
cmptparm.sgnd = 0;
cmptparm.dx = subsampling_dx;
cmptparm.dy = subsampling_dy;
cmptparm.w = image_width;
cmptparm.h = image_height;
strncpy(parameters.outfile, outputfile, sizeof(parameters.outfile)-1);
image = opj_image_create(numcomps, &cmptparm, color_space);
assert( image );
for (i = 0; i < image_width * image_height; i++)
{
unsigned int compno;
for(compno = 0; compno < numcomps; compno++)
{
image->comps[compno].data[i] = 0;
}
}
/* catch events using our callbacks and give a local context */
opj_set_info_handler(l_codec, info_callback,00);
opj_set_warning_handler(l_codec, warning_callback,00);
opj_set_error_handler(l_codec, error_callback,00);
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l_codec = opj_create_compress(OPJ_CODEC_J2K);
opj_set_info_handler(l_codec, info_callback,00);
opj_set_warning_handler(l_codec, warning_callback,00);
opj_set_error_handler(l_codec, error_callback,00);
opj_setup_encoder(l_codec, &parameters, image);
l_stream = opj_stream_create_default_file_stream_v3(parameters.outfile,OPJ_FALSE);
if( !l_stream )
{
fprintf( stderr, "Something went wrong during creation of stream\n" );
opj_destroy_codec(l_codec);
opj_image_destroy(image);
opj_stream_destroy_v3(l_stream);
return 1;
}
assert(l_stream);
bSuccess = opj_start_compress(l_codec,image,l_stream);
if( !bSuccess )
{
opj_stream_destroy_v3(l_stream);
opj_destroy_codec(l_codec);
opj_image_destroy(image);
return 0;
}
assert( bSuccess );
bSuccess = opj_encode(l_codec, l_stream);
assert( bSuccess );
bSuccess = opj_end_compress(l_codec, l_stream);
assert( bSuccess );
opj_stream_destroy_v3(l_stream);
opj_destroy_codec(l_codec);
opj_image_destroy(image);
/* read back the generated file */
{
opj_codec_t* d_codec = 00;
opj_dparameters_t dparameters;
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d_codec = opj_create_decompress(OPJ_CODEC_J2K);
opj_set_info_handler(d_codec, info_callback,00);
opj_set_warning_handler(d_codec, warning_callback,00);
opj_set_error_handler(d_codec, error_callback,00);
bSuccess = opj_setup_decoder(d_codec, &dparameters);
assert( bSuccess );
l_stream = opj_stream_create_default_file_stream_v3(outputfile,1);
assert( l_stream );
bSuccess = opj_read_header(l_stream, d_codec, &image);
assert( bSuccess );
bSuccess = opj_decode(l_codec, l_stream, image);
assert( bSuccess );
bSuccess = opj_end_decompress(l_codec, l_stream);
assert( bSuccess );
opj_stream_destroy_v3(l_stream);
opj_destroy_codec(d_codec);
opj_image_destroy(image);
}
puts( "end" );
return 0;
}