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/*
Copyright (C) 2024 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic 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.
DCP-o-matic 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 DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include "lib/content_factory.h"
#include "lib/film.h"
#include "lib/video_content.h"
#include "test.h"
#include <dcp/colour_conversion.h>
#include <dcp/cpl.h>
#include <dcp/dcp.h>
#include <dcp/mono_j2k_picture_asset_reader.h>
#include <dcp/reel.h>
#include <dcp/reel_mono_picture_asset.h>
#include <boost/test/unit_test.hpp>
using std::dynamic_pointer_cast;
using std::shared_ptr;
using std::string;
using std::vector;
BOOST_AUTO_TEST_CASE(remake_video_after_yub_rgb_matrix_changed)
{
auto content = content_factory("test/data/rgb_grey_testcard.mp4")[0];
auto film = new_test_film("remake_video_after_yub_rgb_matrix_changed", { content });
auto conversion = content->video->colour_conversion();
BOOST_REQUIRE(static_cast<bool>(conversion));
conversion->set_yuv_to_rgb(dcp::YUVToRGB::REC709);
content->video->set_colour_conversion(*conversion);
auto calculate_picture_hashes = [](shared_ptr<Film> film) {
/* >1 CPLs in the DCP raises an error in ClairMeta */
make_and_verify_dcp(film, {}, true, false);
dcp::DCP dcp(film->dir(film->dcp_name()));
dcp.read();
BOOST_REQUIRE(!dcp.cpls().empty());
auto cpl = dcp.cpls()[0];
BOOST_REQUIRE(!cpl->reels().empty());
auto reel = cpl->reels()[0];
BOOST_REQUIRE(reel->main_picture());
auto mono = dynamic_pointer_cast<dcp::MonoJ2KPictureAsset>(reel->main_picture()->asset());
BOOST_REQUIRE(mono);
auto reader = mono->start_read();
vector<string> hashes;
for (auto i = 0; i < reel->main_picture()->intrinsic_duration(); ++i) {
auto frame = reader->get_frame(i);
hashes.push_back(dcp::make_digest(dcp::ArrayData(frame->data(), frame->size())));
}
return hashes;
};
auto before = calculate_picture_hashes(film);
conversion->set_yuv_to_rgb(dcp::YUVToRGB::REC601);
content->video->set_colour_conversion(*conversion);
auto after = calculate_picture_hashes(film);
BOOST_CHECK(before != after);
}
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