1 files changed, 73 insertions, 0 deletions
diff --git a/test/player_video_test.cc b/test/player_video_test.cc
new file mode 100644
index 000000000..c4241ed9b
--- /dev/null
+++ b/test/player_video_test.cc
@@ -0,0 +1,73 @@
+/*
+    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;
+			}
+		}
+	}
+}
+