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/*
Copyright (C) 2020-2021 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.h"
#include "lib/content_factory.h"
#include "lib/dcpomatic_time.h"
#include "lib/film.h"
#include "lib/piece.h"
#include "lib/player.h"
#include "lib/video_content.h"
#include "test.h"
#include <dcp/cpl.h>
#include <dcp/dcp.h>
#include <dcp/j2k_transcode.h>
#include <dcp/mono_j2k_picture_asset.h>
#include <dcp/mono_j2k_picture_frame.h>
#include <dcp/openjpeg_image.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::make_shared;
using std::shared_ptr;
using std::vector;
BOOST_AUTO_TEST_CASE (overlap_video_test1)
{
auto A = content_factory("test/data/flat_red.png")[0];
auto B = content_factory("test/data/flat_green.png")[0];
auto C = content_factory("test/data/flat_blue.png")[0];
auto film = new_test_film("overlap_video_test1", { A, B, C });
film->set_sequence (false);
auto const fps = 24;
// 01234
// AAAAA
// B
// C
A->video->set_length(5 * fps);
B->video->set_length(1 * fps);
C->video->set_length(1 * fps);
B->set_position(film, dcpomatic::DCPTime::from_seconds(1));
C->set_position(film, dcpomatic::DCPTime::from_seconds(3));
auto player = make_shared<Player>(film, Image::Alignment::COMPACT, false);
auto pieces = player->_pieces;
BOOST_REQUIRE_EQUAL (pieces.size(), 3U);
BOOST_CHECK_EQUAL(pieces[0]->content, A);
BOOST_CHECK_EQUAL(pieces[1]->content, B);
BOOST_CHECK_EQUAL(pieces[2]->content, C);
BOOST_CHECK_EQUAL(pieces[0]->ignore_video.size(), 2U);
BOOST_CHECK(pieces[0]->ignore_video[0] == dcpomatic::DCPTimePeriod(dcpomatic::DCPTime::from_seconds(1), dcpomatic::DCPTime::from_seconds(1) + B->length_after_trim(film)));
BOOST_CHECK(pieces[0]->ignore_video[1] == dcpomatic::DCPTimePeriod(dcpomatic::DCPTime::from_seconds(3), dcpomatic::DCPTime::from_seconds(3) + C->length_after_trim(film)));
BOOST_CHECK (player->_black.done());
make_and_verify_dcp (film);
dcp::DCP back (film->dir(film->dcp_name()));
back.read ();
BOOST_REQUIRE_EQUAL (back.cpls().size(), 1U);
auto cpl = back.cpls()[0];
BOOST_REQUIRE_EQUAL (cpl->reels().size(), 1U);
auto reel = cpl->reels()[0];
BOOST_REQUIRE (reel->main_picture());
auto mono_picture = dynamic_pointer_cast<dcp::ReelMonoPictureAsset>(reel->main_picture());
BOOST_REQUIRE (mono_picture);
auto asset = mono_picture->mono_j2k_asset();
BOOST_REQUIRE (asset);
BOOST_CHECK_EQUAL (asset->intrinsic_duration(), fps * 5);
auto reader = asset->start_read ();
auto close = [](shared_ptr<const dcp::OpenJPEGImage> image, vector<int> rgb) {
for (int component = 0; component < 3; ++component) {
BOOST_REQUIRE(std::abs(image->data(component)[0] - rgb[component]) < 2);
}
};
vector<int> const red = { 2808, 2176, 865 };
vector<int> const blue = { 2657, 3470, 1742 };
vector<int> const green = { 2044, 1437, 3871 };
for (int i = 0; i < 5 * fps; ++i) {
auto frame = reader->get_frame (i);
auto image = dcp::decompress_j2k(*frame.get(), 0);
if (i < fps) {
close(image, red);
} else if (i < 2 * fps) {
close(image, blue);
} else if (i < 3 * fps) {
close(image, red);
} else if (i < 4 * fps) {
close(image, green);
} else if (i < 5 * fps) {
close(image, red);
}
}
}
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