openjpeg/test_V2_tile_handling/test_encoder.c

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/*
* Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr>
* 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.
*/
#define USE_OPJ_DEPRECATED
#include "openjpeg.h"
#include "stdlib.h"
/* set this macro to enable profiling for the given test */
/* warning : in order to be effective, openjpeg must have been built with profiling enabled !! */
//#define _PROFILE
#ifdef WIN32
#include "windows.h" // needed for rand() function
#else
#include <stdlib.h>
#endif
#define NUM_COMPS 3
#define IMAGE_WIDTH 2000
#define IMAGE_HEIGHT 2000
#define TILE_WIDTH 1000
#define TILE_HEIGHT 1000
#define COMP_PREC 8
#define OUTPUT_FILE "test.j2k"
/* -------------------------------------------------------------------------- */
/**
sample error callback expecting a FILE* client object
*/
void error_callback_file(const char *msg, void *client_data) {
FILE *stream = (FILE*)client_data;
fprintf(stream, "[ERROR] %s", msg);
}
/**
sample warning callback expecting a FILE* client object
*/
void warning_callback_file(const char *msg, void *client_data) {
FILE *stream = (FILE*)client_data;
fprintf(stream, "[WARNING] %s", msg);
}
/**
sample error debug callback expecting no client object
*/
void error_callback(const char *msg, void *client_data) {
(void)client_data;
fprintf(stdout, "[ERROR] %s", msg);
}
/**
sample warning debug callback expecting no client object
*/
void warning_callback(const char *msg, void *client_data) {
(void)client_data;
fprintf(stdout, "[WARNING] %s", msg);
}
/**
sample debug callback expecting no client object
*/
void info_callback(const char *msg, void *client_data) {
(void)client_data;
fprintf(stdout, "[INFO] %s", msg);
}
/* -------------------------------------------------------------------------- */
int main ()
{
opj_cparameters_t l_param;
opj_codec_t * l_codec;
opj_image_t * l_image;
opj_image_cmptparm_t l_params [NUM_COMPS];
FILE * l_file;
opj_stream_t * l_stream;
OPJ_UINT32 l_nb_tiles = (IMAGE_WIDTH/TILE_WIDTH) * (IMAGE_HEIGHT/TILE_HEIGHT);
OPJ_UINT32 l_data_size = TILE_WIDTH * TILE_HEIGHT * NUM_COMPS * (COMP_PREC/8);
#ifdef USING_MCT
const OPJ_FLOAT32 l_mct [] =
{
1 , 0 , 0 ,
0 , 1 , 0 ,
0 , 0 , 1
};
const OPJ_INT32 l_offsets [] =
{
128 , 128 , 128
};
#endif
opj_image_cmptparm_t * l_current_param_ptr;
OPJ_UINT32 i;
OPJ_BYTE *l_data;
PROFINIT();
l_data = (OPJ_BYTE*) malloc(TILE_WIDTH * TILE_HEIGHT * NUM_COMPS * (COMP_PREC/8) * sizeof(OPJ_BYTE));
fprintf(stdout, "Encoding random values -> keep in mind that this is very hard to compress\n");
for
(i=0;i<l_data_size;++i)
{
l_data[i] = rand();
}
opj_set_default_encoder_parameters(&l_param);
/** you may here add custom encoding parameters */
/* rate specifications */
/** number of quality layers in the stream */
l_param.tcp_numlayers = 1;
l_param.cp_fixed_quality = 1;
l_param.tcp_distoratio[0] = 20;
/* is using others way of calculation */
/* l_param.cp_disto_alloc = 1 or l_param.cp_fixed_alloc = 1 */
/* l_param.tcp_rates[0] = ... */
/* tile definitions parameters */
/* position of the tile grid aligned with the image */
l_param.cp_tx0 = 0;
l_param.cp_ty0 = 0;
/* tile size, we are using tile based encoding */
l_param.tile_size_on = true;
l_param.cp_tdx = TILE_WIDTH;
l_param.cp_tdy = TILE_HEIGHT;
/* use irreversible encoding ?*/
l_param.irreversible = 1;
/* do not bother with mct, the rsiz is set when calling opj_set_MCT*/
/*l_param.cp_rsiz = STD_RSIZ;*/
/* no cinema */
/*l_param.cp_cinema = 0;*/
/* no not bother using SOP or EPH markers, do not use custom size precinct */
/* number of precincts to specify */
/* l_param.csty = 0;*/
/* l_param.res_spec = ... */
/* l_param.prch_init[i] = .. */
/* l_param.prcw_init[i] = .. */
/* do not use progression order changes */
/*l_param.numpocs = 0;*/
/* l_param.POC[i].... */
/* do not restrain the size for a component.*/
/* l_param.max_comp_size = 0; */
/** block encoding style for each component, do not use at the moment */
/** J2K_CCP_CBLKSTY_TERMALL, J2K_CCP_CBLKSTY_LAZY, J2K_CCP_CBLKSTY_VSC, J2K_CCP_CBLKSTY_SEGSYM, J2K_CCP_CBLKSTY_RESET */
/* l_param.mode = 0;*/
/** number of resolutions */
l_param.numresolution = 6;
/** progression order to use*/
/** LRCP, RLCP, RPCL, PCRL, CPRL */
l_param.prog_order = LRCP;
/** no "region" of interest, more precisally component */
/* l_param.roi_compno = -1; */
/* l_param.roi_shift = 0; */
/* we are not using multiple tile parts for a tile. */
/* l_param.tp_on = 0; */
/* l_param.tp_flag = 0; */
/* if we are using mct */
#ifdef USING_MCT
opj_set_MCT(&l_param,l_mct,l_offsets,NUM_COMPS);
#endif
/* image definition */
l_current_param_ptr = l_params;
for
(i=0;i<NUM_COMPS;++i)
{
/* do not bother bpp useless */
/*l_current_param_ptr->bpp = COMP_PREC;*/
l_current_param_ptr->dx = 1;
l_current_param_ptr->dy = 1;
l_current_param_ptr->h = IMAGE_HEIGHT;
l_current_param_ptr->sgnd = 0;
l_current_param_ptr->prec = COMP_PREC;
l_current_param_ptr->w = IMAGE_WIDTH;
l_current_param_ptr->x0 = 0;
l_current_param_ptr->y0 = 0;
++l_current_param_ptr;
}
l_codec = opj_create_compress(CODEC_J2K);
if
(! l_codec)
{
return 1;
}
/* 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_image = opj_image_tile_create(NUM_COMPS,l_params,CLRSPC_SRGB);
if
(! l_image)
{
opj_destroy_codec(l_codec);
return 1;
}
l_image->x0 = 0;
l_image->y0 = 0;
l_image->x1 = IMAGE_WIDTH;
l_image->y1 = IMAGE_HEIGHT;
l_image->color_space = CLRSPC_SRGB;
if
(! opj_setup_encoder(l_codec,&l_param,l_image))
{
opj_destroy_codec(l_codec);
opj_image_destroy(l_image);
return 1;
}
l_file = fopen(OUTPUT_FILE,"wb");
if
(! l_file)
{
opj_destroy_codec(l_codec);
opj_image_destroy(l_image);
return 1;
}
l_stream = opj_stream_create_default_file_stream(l_file,false);
if
(! opj_start_compress(l_codec,l_image,l_stream))
{
opj_stream_destroy(l_stream);
fclose(l_file);
opj_destroy_codec(l_codec);
opj_image_destroy(l_image);
return 1;
}
for
(i=0;i<l_nb_tiles;++i)
{
if
(! opj_write_tile(l_codec,i,l_data,l_data_size,l_stream))
{
opj_stream_destroy(l_stream);
fclose(l_file);
opj_destroy_codec(l_codec);
opj_image_destroy(l_image);
return 1;
}
}
if
(! opj_end_compress(l_codec,l_stream))
{
opj_stream_destroy(l_stream);
fclose(l_file);
opj_destroy_codec(l_codec);
opj_image_destroy(l_image);
return 1;
}
opj_stream_destroy(l_stream);
fclose(l_file);
opj_destroy_codec(l_codec);
opj_image_destroy(l_image);
// Print profiling
PROFPRINT();
return 0;
}