/* * 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 #include #include #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; assert(0); } 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(); const OPJ_COLOR_SPACE color_space = CLRSPC_GRAY; int numcomps = 1; int i; int image_width = 256; int image_height = 256; opj_cparameters_t parameters; int subsampling_dx = 0; int subsampling_dy = 0; opj_image_cmptparm_t cmptparm; opj_image_t *image; opj_codec_t* l_codec = 00; opj_bool bSuccess; FILE *f; opj_stream_t *l_stream = 00; (void)argc; (void)argv; opj_set_default_encoder_parameters(¶meters); parameters.cod_format = J2K_CFMT; puts(v); 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; image = opj_image_create(numcomps, &cmptparm, color_space); assert( image ); for (i = 0; i < image_width * image_height; i++) { 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); l_codec = opj_create_compress(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, ¶meters, image); strcpy(parameters.outfile, "testempty1.j2k"); f = fopen(parameters.outfile, "wb"); assert( f ); l_stream = opj_stream_create_default_file_stream(f,OPJ_FALSE); assert(l_stream); bSuccess = opj_start_compress(l_codec,image,l_stream); assert( bSuccess ); bSuccess = opj_encode(l_codec, l_stream); assert( bSuccess ); bSuccess = opj_end_compress(l_codec, l_stream); assert( bSuccess ); opj_stream_destroy(l_stream); fclose(f); opj_destroy_codec(l_codec); opj_image_destroy(image); puts( "end" ); return 0; }