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/*
Copyright (C) 2012-2014 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 <iostream>
#include <boost/filesystem.hpp>
#include <getopt.h>
#include "dcp.h"
#include "exceptions.h"
using namespace std;
using namespace boost;
using namespace libdcp;
static bool verbose = false;
static void
help (string n)
{
cerr << "Syntax: " << n << " [OPTION] <DCP> <DCP>\n"
<< " -V, --version show libdcp version\n"
<< " -h, --help show this help\n"
<< " -v, --verbose be verbose\n"
<< " -n, --mxf-names allow differing MXF names\n"
<< " --cpl-names allow differing CPL names\n"
<< " -m, --mean-pixel maximum allowed mean pixel error (default 5)\n"
<< " -s, --std-dev-pixel maximum allowed standard deviation of pixel error (default 5)\n"
<< "\n"
<< "The <DCP>s are the DCP directories to compare.\n"
<< "Comparison is of metadata and content, ignoring timestamps\n"
<< "and differing UUIDs.\n";
}
void
note (NoteType t, string n)
{
if (t == ERROR || verbose) {
cout << " " << n << "\n";
}
}
int
main (int argc, char* argv[])
{
EqualityOptions options;
options.max_mean_pixel_error = 5;
options.max_std_dev_pixel_error = 5;
int option_index = 0;
while (1) {
static struct option long_options[] = {
{ "version", no_argument, 0, 'V'},
{ "help", no_argument, 0, 'h'},
{ "verbose", no_argument, 0, 'v'},
{ "mxf-names", no_argument, 0, 'n'},
{ "mean-pixel", required_argument, 0, 'm'},
{ "std-dev-pixel", required_argument, 0, 's'},
/* From here we're using random capital letters for the short option */
{ "cpl-names", no_argument, 0, 'A'},
{ 0, 0, 0, 0 }
};
int c = getopt_long (argc, argv, "Vhvnm:s:A", long_options, &option_index);
if (c == -1) {
break;
}
switch (c) {
case 'V':
cout << "dcpdiff version " << LIBDCP_VERSION << "\n";
exit (EXIT_SUCCESS);
case 'h':
help (argv[0]);
exit (EXIT_SUCCESS);
case 'v':
verbose = true;
break;
case 'n':
options.mxf_names_can_differ = true;
break;
case 'm':
options.max_mean_pixel_error = atof (optarg);
break;
case 's':
options.max_std_dev_pixel_error = atof (optarg);
break;
case 'A':
options.cpl_names_can_differ = true;
break;
}
}
if (argc <= optind || argc > (optind + 2)) {
help (argv[0]);
exit (EXIT_FAILURE);
}
if (!filesystem::exists (argv[optind])) {
cerr << argv[0] << ": DCP " << argv[optind] << " not found.\n";
exit (EXIT_FAILURE);
}
if (!filesystem::exists (argv[optind + 1])) {
cerr << argv[0] << ": DCP " << argv[optind + 1] << " not found.\n";
exit (EXIT_FAILURE);
}
DCP* a = 0;
try {
a = new DCP (argv[optind]);
a->read ();
} catch (FileError& e) {
cerr << "Could not read DCP " << argv[optind] << "; " << e.what() << " " << e.filename() << "\n";
exit (EXIT_FAILURE);
}
DCP* b = 0;
try {
b = new DCP (argv[optind + 1]);
b->read ();
} catch (FileError& e) {
cerr << "Could not read DCP " << argv[optind + 1] << "; " << e.what() << " " << e.filename() << "\n";
exit (EXIT_FAILURE);
}
/* I think this is just below the LSB at 16-bits (ie the 8th most significant bit at 24-bit) */
options.max_audio_sample_error = 255;
bool const equals = a->equals (*b, options, boost::bind (note, _1, _2));
if (equals) {
exit (EXIT_SUCCESS);
}
exit (EXIT_FAILURE);
}
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