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/*
Copyright (C) 2012-2014 Carl Hetherington <cth@carlh.net>
This file is part of libdcp.
libdcp 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.
libdcp 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 libdcp. If not, see <http://www.gnu.org/licenses/>.
In addition, as a special exception, the copyright holders give
permission to link the code of portions of this program with the
OpenSSL library under certain conditions as described in each
individual source file, and distribute linked combinations
including the two.
You must obey the GNU General Public License in all respects
for all of the code used other than OpenSSL. If you modify
file(s) with this exception, you may extend this exception to your
version of the file(s), but you are not obligated to do so. If you
do not wish to do so, delete this exception statement from your
version. If you delete this exception statement from all source
files in the program, then also delete it here.
*/
#include "dcp.h"
#include "exceptions.h"
#include "common.h"
#include "mxf.h"
#include <getopt.h>
#include <boost/optional.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/filesystem.hpp>
#include <iostream>
#include <list>
using std::list;
using std::cerr;
using std::cout;
using std::string;
using boost::shared_ptr;
using boost::optional;
using boost::dynamic_pointer_cast;
using namespace dcp;
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"
<< " --cpl-annotation-texts allow differing CPL annotation texts\n"
<< " --reel-annotation-texts allow differing reel annotation texts\n"
<< " -a, --annotation-texts allow different CPL and reel annotation texts\n"
<< " -d, --issue-dates allow different issue dates\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"
<< " --key hexadecimal key to use to decrypt MXFs\n"
<< " -k, --keep-going carry on in the event of errors, if possible\n"
<< " --ignore-missing-assets ignore missing asset files\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 == DCP_ERROR || verbose) {
cout << " " << n << "\n";
cout.flush ();
}
}
DCP *
load_dcp (boost::filesystem::path path, bool keep_going, bool ignore_missing_assets, optional<string> key)
{
DCP* dcp = 0;
try {
dcp = new DCP (path);
DCP::ReadErrors errors;
dcp->read (keep_going, &errors);
filter_errors (errors, ignore_missing_assets);
for (DCP::ReadErrors::const_iterator i = errors.begin(); i != errors.end(); ++i) {
cerr << (*i)->what() << "\n";
}
if (key) {
list<shared_ptr<Asset> > assets = dcp->assets ();
for (list<shared_ptr<Asset> >::const_iterator i = assets.begin(); i != assets.end(); ++i) {
shared_ptr<MXF> mxf = dynamic_pointer_cast<MXF> (*i);
if (mxf) {
mxf->set_key (Key (key.get ()));
}
}
}
} catch (FileError& e) {
cerr << "Could not read DCP " << path.string() << "; " << e.what() << " " << e.filename() << "\n";
exit (EXIT_FAILURE);
}
return dcp;
}
int
main (int argc, char* argv[])
{
EqualityOptions options;
options.max_mean_pixel_error = 5;
options.max_std_dev_pixel_error = 5;
options.reel_hashes_can_differ = true;
options.reel_annotation_texts_can_differ = false;
options.keep_going = false;
bool ignore_missing_assets = false;
optional<string> key;
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'},
{ "mean-pixel", required_argument, 0, 'm'},
{ "std-dev-pixel", required_argument, 0, 's'},
{ "keep-going", no_argument, 0, 'k'},
{ "annotation-texts", no_argument, 0, 'a'},
{ "issue-dates", no_argument, 0, 'd'},
/* From here we're using random capital letters for the short option */
{ "ignore-missing-assets", no_argument, 0, 'A'},
{ "cpl-annotation-texts", no_argument, 0, 'C'},
{ "key", required_argument, 0, 'D'},
{ "reel-annotation-texts", no_argument, 0, 'E'},
{ 0, 0, 0, 0 }
};
int c = getopt_long (argc, argv, "Vhvm:s:kadACD:E", 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 'm':
options.max_mean_pixel_error = atof (optarg);
break;
case 's':
options.max_std_dev_pixel_error = atof (optarg);
break;
case 'k':
options.keep_going = true;
break;
case 'a':
options.cpl_annotation_texts_can_differ = options.reel_annotation_texts_can_differ = true;
break;
case 'd':
options.issue_dates_can_differ = true;
break;
case 'A':
ignore_missing_assets = true;
break;
case 'B':
case 'C':
options.cpl_annotation_texts_can_differ = true;
break;
case 'D':
key = string (optarg);
break;
case 'E':
options.reel_annotation_texts_can_differ = true;
break;
}
}
if (argc <= (optind + 1) || argc > (optind + 2)) {
help (argv[0]);
exit (EXIT_FAILURE);
}
if (!boost::filesystem::exists (argv[optind])) {
cerr << argv[0] << ": DCP " << argv[optind] << " not found.\n";
exit (EXIT_FAILURE);
}
if (!boost::filesystem::exists (argv[optind + 1])) {
cerr << argv[0] << ": DCP " << argv[optind + 1] << " not found.\n";
exit (EXIT_FAILURE);
}
DCP* a = load_dcp (argv[optind], options.keep_going, ignore_missing_assets, key);
DCP* b = load_dcp (argv[optind + 1], options.keep_going, ignore_missing_assets, key);
/* 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));
exit (equals ? EXIT_SUCCESS : EXIT_FAILURE);
}
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