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/*
Copyright (C) 2022 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/colour_conversion.h"
#include "lib/j2k_image_proxy.h"
#include "lib/player_video.h"
#include <dcp/openjpeg_image.h>
#include <dcp/j2k_transcode.h>
#include <dcp/mono_picture_frame.h>
#include <boost/optional.hpp>
#include <boost/test/unit_test.hpp>
using std::make_shared;
using std::weak_ptr;
using boost::optional;
BOOST_AUTO_TEST_CASE(player_video_j2k_passthrough_test)
{
auto size = dcp::Size(4096, 2048);
auto image = make_shared<dcp::OpenJPEGImage>(size);
for (int x = 0; x < size.width; ++x) {
image->data(0)[x] = x;
image->data(1)[x] = x;
image->data(2)[x] = x;
}
for (int y = 1; y < size.height; ++y) {
memcpy(image->data(0) + y * size.width, image->data(0), size.width);
memcpy(image->data(1) + y * size.width, image->data(1), size.width);
memcpy(image->data(2) + y * size.width, image->data(2), size.width);
}
auto compressed = compress_j2k(image, 250000000LL, 24, false, true);
auto decompressed = decompress_j2k(compressed, 0);
auto frame = make_shared<dcp::MonoPictureFrame>(compressed.data(), compressed.size());
auto proxy = make_shared<J2KImageProxy>(frame, size, AV_PIX_FMT_XYZ12LE, optional<int>());
auto video = make_shared<PlayerVideo>(proxy, Crop(), optional<double>(), size, size, Eyes::BOTH, Part::WHOLE, optional<ColourConversion>(), VideoRange::FULL, weak_ptr<Content>(), optional<Frame>(), false);
auto out_image = video->image([](AVPixelFormat) { return AV_PIX_FMT_XYZ12LE; }, VideoRange::FULL, false);
BOOST_REQUIRE_EQUAL(out_image->size().width, size.width);
BOOST_REQUIRE_EQUAL(out_image->size().height, size.height);
for (int c = 0; c < 3; ++c) {
for (auto y = 0; y < size.height; ++y) {
auto in = decompressed->data(c) + y * size.width;
auto out = reinterpret_cast<uint16_t*>(out_image->data()[0] + y * out_image->stride()[0]) + c;
for (int x = 0; x < size.width; ++x) {
BOOST_REQUIRE_MESSAGE(*in == (*out >> 4), *in << " != " << *out << " at x=" << x << ", y=" << y << ", c=" << c);
++in;
out += 3;
}
}
}
}
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