+
+/** Check that creating a 2D DCP from a 3D DCP passes the J2K data unaltered */
+BOOST_AUTO_TEST_CASE(threed_passthrough_test, * boost::unit_test::depends_on("threed_test6"))
+{
+ using namespace boost::filesystem;
+
+ /* Find the DCP in threed_test6 */
+ boost::optional<path> input_dcp;
+ for (auto i: directory_iterator("build/test/threed_test6")) {
+ if (is_directory(i.path()) && boost::algorithm::starts_with(i.path().filename().string(), "Dcp")) {
+ input_dcp = i.path();
+ }
+ }
+
+ BOOST_REQUIRE(input_dcp);
+
+ auto content = make_shared<DCPContent>(*input_dcp);
+ auto film = new_test_film2("threed_passthrough_test", { content });
+ film->set_three_d(false);
+
+ make_and_verify_dcp(film);
+
+ std::vector<directory_entry> matches;
+ std::copy_if(recursive_directory_iterator(*input_dcp), recursive_directory_iterator(), std::back_inserter(matches), [](directory_entry const& entry) {
+ return boost::algorithm::starts_with(entry.path().leaf().string(), "j2c");
+ });
+
+ BOOST_REQUIRE_EQUAL(matches.size(), 1U);
+
+ auto stereo = dcp::StereoPictureAsset(matches[0]);
+ auto stereo_reader = stereo.start_read();
+
+ auto mono = dcp::MonoPictureAsset(dcp_file(film, "j2c"));
+ auto mono_reader = mono.start_read();
+
+ BOOST_REQUIRE_EQUAL(stereo.intrinsic_duration(), mono.intrinsic_duration());
+
+ for (auto i = 0; i < stereo.intrinsic_duration(); ++i) {
+ auto stereo_frame = stereo_reader->get_frame(i);
+ auto mono_frame = mono_reader->get_frame(i);
+ BOOST_REQUIRE(stereo_frame->left()->size() == mono_frame->size());
+ BOOST_REQUIRE_EQUAL(memcmp(stereo_frame->left()->data(), mono_frame->data(), mono_frame->size()), 0);
+ }
+}
+