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/*
Copyright (C) 2015 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "data.h"
#include "test.h"
#include "util.h"
#include "version.h"
#include "j2k.h"
#include "openjpeg_image.h"
#include <openjpeg.h>
#include <sys/time.h>
#include <iostream>
using std::cout;
using std::cerr;
using boost::shared_ptr;
class Timer
{
public:
Timer ()
: _total (0)
{
}
void start ()
{
gettimeofday (&_start, 0);
}
void stop ()
{
struct timeval stop;
gettimeofday (&stop, 0);
_total += (stop.tv_sec + stop.tv_usec / 1e6) - (_start.tv_sec + _start.tv_usec / 1e6);
}
double get ()
{
return _total;
}
private:
double _total;
struct timeval _start;
};
/** Run some basic benchmarks of JPEG2000 encoding / decoding */
int
main (int argc, char* argv[])
{
if (argc < 2) {
cerr << "Syntax: " << argv[0] << " private-test-path\n";
exit (EXIT_FAILURE);
}
int const count = 100;
int const j2k_bandwidth = 100000000;
dcp::Data j2k (boost::filesystem::path (argv[1]) / "thx.j2c");
Timer decompress;
Timer compress;
dcp::Data recomp;
for (int i = 0; i < count; ++i) {
decompress.start ();
shared_ptr<dcp::OpenJPEGImage> xyz = dcp::decompress_j2k (j2k, 0);
decompress.stop ();
compress.start ();
recomp = dcp::compress_j2k (xyz, j2k_bandwidth, 24, false, false);
compress.stop ();
cout << (i + 1) << " ";
cout.flush ();
}
cout << "\n";
cout << "Decompress: " << count / decompress.get() << " fps.\n";
cout << "Compress: " << count / compress.get() << " fps.\n";
FILE* f = fopen ("check.j2c", "wb");
fwrite (recomp.data().get(), 1, recomp.size(), f);
fclose (f);
}
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