357 lines
12 KiB
C
357 lines
12 KiB
C
/*
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* Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr>
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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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#define USE_OPJ_DEPRECATED
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/* set this macro to enable profiling for the given test */
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/* warning : in order to be effective, openjpeg must have been built with profiling enabled !! */
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/*#define _PROFILE*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <math.h>
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#ifdef _WIN32
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#include <malloc.h>
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#else
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#include <stdlib.h>
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#endif
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#include "opj_config.h"
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#include <stdlib.h>
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#ifdef _WIN32
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#include <windows.h>
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#define strcasecmp _stricmp
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#define strncasecmp _strnicmp
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#else
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#include <strings.h>
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#endif /* _WIN32 */
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#include "openjpeg.h"
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#include "format_defs.h"
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/* -------------------------------------------------------------------------- */
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/* Declarations */
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int get_file_format(const char *filename);
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static int infile_format(const char *fname);
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/* -------------------------------------------------------------------------- */
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int get_file_format(const char *filename) {
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unsigned int i;
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static const char *extension[] = {"pgx", "pnm", "pgm", "ppm", "bmp","tif", "raw", "rawl", "tga", "png", "j2k", "jp2", "jpt", "j2c", "jpc" };
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static const int format[] = { PGX_DFMT, PXM_DFMT, PXM_DFMT, PXM_DFMT, BMP_DFMT, TIF_DFMT, RAW_DFMT, RAWL_DFMT, TGA_DFMT, PNG_DFMT, J2K_CFMT, JP2_CFMT, JPT_CFMT, J2K_CFMT, J2K_CFMT };
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char * ext = strrchr(filename, '.');
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if (ext == NULL)
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return -1;
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ext++;
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if(ext) {
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for(i = 0; i < sizeof(format)/sizeof(*format); i++) {
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if(strcasecmp(ext, extension[i]) == 0) {
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return format[i];
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}
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}
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}
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return -1;
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}
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/* -------------------------------------------------------------------------- */
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#define JP2_RFC3745_MAGIC "\x00\x00\x00\x0c\x6a\x50\x20\x20\x0d\x0a\x87\x0a"
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#define JP2_MAGIC "\x0d\x0a\x87\x0a"
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/* position 45: "\xff\x52" */
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#define J2K_CODESTREAM_MAGIC "\xff\x4f\xff\x51"
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static int infile_format(const char *fname)
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{
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FILE *reader;
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const char *s, *magic_s;
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int ext_format, magic_format;
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unsigned char buf[12];
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unsigned int l_nb_read;
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reader = fopen(fname, "rb");
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if (reader == NULL)
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return -1;
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memset(buf, 0, 12);
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l_nb_read = (unsigned int)fread(buf, 1, 12, reader);
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fclose(reader);
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if (l_nb_read != 12)
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return -1;
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ext_format = get_file_format(fname);
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if (ext_format == JPT_CFMT)
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return JPT_CFMT;
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if (memcmp(buf, JP2_RFC3745_MAGIC, 12) == 0 || memcmp(buf, JP2_MAGIC, 4) == 0) {
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magic_format = JP2_CFMT;
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magic_s = ".jp2";
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}
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else if (memcmp(buf, J2K_CODESTREAM_MAGIC, 4) == 0) {
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magic_format = J2K_CFMT;
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magic_s = ".j2k or .jpc or .j2c";
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}
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else
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return -1;
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if (magic_format == ext_format)
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return ext_format;
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s = fname + strlen(fname) - 4;
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fputs("\n===========================================\n", stderr);
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fprintf(stderr, "The extension of this file is incorrect.\n"
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"FOUND %s. SHOULD BE %s\n", s, magic_s);
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fputs("===========================================\n", stderr);
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return magic_format;
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}
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/* -------------------------------------------------------------------------- */
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/**
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sample error debug callback expecting no client object
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*/
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static void error_callback(const char *msg, void *client_data) {
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(void)client_data;
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fprintf(stdout, "[ERROR] %s", msg);
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}
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/**
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sample warning debug callback expecting no client object
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*/
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static void warning_callback(const char *msg, void *client_data) {
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(void)client_data;
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fprintf(stdout, "[WARNING] %s", msg);
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}
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/**
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sample debug callback expecting no client object
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*/
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static void info_callback(const char *msg, void *client_data) {
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(void)client_data;
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fprintf(stdout, "[INFO] %s", msg);
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}
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/* -------------------------------------------------------------------------- */
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int main (int argc, char *argv[])
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{
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opj_dparameters_t l_param;
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opj_codec_t * l_codec;
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opj_image_t * l_image;
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opj_stream_t * l_stream;
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OPJ_UINT32 l_data_size;
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OPJ_UINT32 l_max_data_size = 1000;
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OPJ_UINT32 l_tile_index;
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OPJ_BYTE * l_data = (OPJ_BYTE *) malloc(1000);
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OPJ_BOOL l_go_on = OPJ_TRUE;
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OPJ_UINT32 l_nb_comps=0 ;
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OPJ_INT32 l_current_tile_x0,l_current_tile_y0,l_current_tile_x1,l_current_tile_y1;
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int da_x0=0;
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int da_y0=0;
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int da_x1=1000;
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int da_y1=1000;
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const char *input_file;
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/* should be test_tile_decoder 0 0 1000 1000 tte1.j2k */
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if( argc == 6 )
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{
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da_x0=atoi(argv[1]);
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da_y0=atoi(argv[2]);
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da_x1=atoi(argv[3]);
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da_y1=atoi(argv[4]);
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input_file = argv[5];
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}
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else
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{
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da_x0=0;
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da_y0=0;
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da_x1=1000;
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da_y1=1000;
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input_file = "test.j2k";
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}
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if (! l_data) {
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return EXIT_FAILURE;
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}
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l_stream = opj_stream_create_default_file_stream(input_file,OPJ_TRUE);
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if (!l_stream){
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free(l_data);
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fprintf(stderr, "ERROR -> failed to create the stream from the file\n");
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return EXIT_FAILURE;
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}
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/* Set the default decoding parameters */
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opj_set_default_decoder_parameters(&l_param);
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/* */
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l_param.decod_format = infile_format(input_file);
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/** you may here add custom decoding parameters */
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/* do not use layer decoding limitations */
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l_param.cp_layer = 0;
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/* do not use resolutions reductions */
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l_param.cp_reduce = 0;
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/* to decode only a part of the image data */
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/*opj_restrict_decoding(&l_param,0,0,1000,1000);*/
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switch(l_param.decod_format) {
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case J2K_CFMT: /* JPEG-2000 codestream */
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{
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/* Get a decoder handle */
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l_codec = opj_create_decompress(OPJ_CODEC_J2K);
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break;
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}
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case JP2_CFMT: /* JPEG 2000 compressed image data */
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{
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/* Get a decoder handle */
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l_codec = opj_create_decompress(OPJ_CODEC_JP2);
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break;
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}
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default:
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{
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fprintf(stderr, "ERROR -> Not a valid JPEG2000 file!\n");
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free(l_data);
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opj_stream_destroy(l_stream);
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return EXIT_FAILURE;
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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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/* Setup the decoder decoding parameters using user parameters */
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if (! opj_setup_decoder(l_codec, &l_param))
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{
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fprintf(stderr, "ERROR -> j2k_dump: failed to setup the decoder\n");
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free(l_data);
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opj_stream_destroy(l_stream);
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opj_destroy_codec(l_codec);
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return EXIT_FAILURE;
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}
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/* Read the main header of the codestream and if necessary the JP2 boxes*/
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if (! opj_read_header(l_stream, l_codec, &l_image))
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{
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fprintf(stderr, "ERROR -> j2k_to_image: failed to read the header\n");
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free(l_data);
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opj_stream_destroy(l_stream);
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opj_destroy_codec(l_codec);
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return EXIT_FAILURE;
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}
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if (!opj_set_decode_area(l_codec, l_image, da_x0, da_y0,da_x1, da_y1)){
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fprintf(stderr, "ERROR -> j2k_to_image: failed to set the decoded area\n");
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free(l_data);
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opj_stream_destroy(l_stream);
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opj_destroy_codec(l_codec);
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opj_image_destroy(l_image);
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return EXIT_FAILURE;
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}
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while (l_go_on)
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{
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if (! opj_read_tile_header( l_codec,
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l_stream,
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&l_tile_index,
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&l_data_size,
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&l_current_tile_x0,
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&l_current_tile_y0,
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&l_current_tile_x1,
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&l_current_tile_y1,
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&l_nb_comps,
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&l_go_on))
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{
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free(l_data);
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opj_stream_destroy(l_stream);
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opj_destroy_codec(l_codec);
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opj_image_destroy(l_image);
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return EXIT_FAILURE;
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}
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if (l_go_on)
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{
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if (l_data_size > l_max_data_size)
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{
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OPJ_BYTE *l_new_data = (OPJ_BYTE *) realloc(l_data, l_data_size);
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if (! l_new_data)
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{
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free(l_new_data);
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opj_stream_destroy(l_stream);
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opj_destroy_codec(l_codec);
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opj_image_destroy(l_image);
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return EXIT_FAILURE;
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}
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l_data = l_new_data;
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l_max_data_size = l_data_size;
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}
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if (! opj_decode_tile_data(l_codec,l_tile_index,l_data,l_data_size,l_stream))
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{
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free(l_data);
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opj_stream_destroy(l_stream);
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opj_destroy_codec(l_codec);
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opj_image_destroy(l_image);
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return EXIT_FAILURE;
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}
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/** now should inspect image to know the reduction factor and then how to behave with data */
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}
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}
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if (! opj_end_decompress(l_codec,l_stream))
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{
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free(l_data);
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opj_stream_destroy(l_stream);
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opj_destroy_codec(l_codec);
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opj_image_destroy(l_image);
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return EXIT_FAILURE;
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}
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/* Free memory */
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free(l_data);
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opj_stream_destroy(l_stream);
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opj_destroy_codec(l_codec);
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opj_image_destroy(l_image);
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/* Print profiling*/
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/*PROFPRINT();*/
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return EXIT_SUCCESS;
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}
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