+
+/** Create a long DCP A then insert it repeatedly into a new project, trimming it differently each time.
+ * Make a DCP B from that project which refers to A and splits into reels. This was found to go wrong
+ * when looking at #2268.
+ */
+BOOST_AUTO_TEST_CASE (repeated_dcp_into_reels)
+{
+ /* Make a 20s DCP */
+ auto A = make_shared<FFmpegContent>("test/data/flat_red.png");
+ auto film1 = new_test_film2("repeated_dcp_into_reels1", { A });
+ auto constexpr frame_rate = 24;
+ auto constexpr length_in_seconds = 20;
+ auto constexpr total_frames = frame_rate * length_in_seconds;
+ film1->set_video_frame_rate(frame_rate);
+ A->video->set_length(total_frames);
+ make_and_verify_dcp(film1);
+
+ /* Make a new project that includes this long DCP 4 times, each
+ * trimmed to a quarter of the original, i.e.
+ * /----------------------|----------------------|----------------------|----------------------\
+ * | 1st quarter of film1 | 2nd quarter of film1 | 3rd quarter of film1 | 4th quarter of film1 |
+ * \----------------------|----------------------|----------------------|_---------------------/
+ */
+
+ shared_ptr<DCPContent> original_dcp[4] = {
+ make_shared<DCPContent>(film1->dir(film1->dcp_name(false))),
+ make_shared<DCPContent>(film1->dir(film1->dcp_name(false))),
+ make_shared<DCPContent>(film1->dir(film1->dcp_name(false))),
+ make_shared<DCPContent>(film1->dir(film1->dcp_name(false)))
+ };
+
+ auto film2 = new_test_film2("repeated_dcp_into_reels2", { original_dcp[0], original_dcp[1], original_dcp[2], original_dcp[3] });
+ film2->set_reel_type(ReelType::BY_VIDEO_CONTENT);
+ film2->set_video_frame_rate(frame_rate);
+ film2->set_sequence(false);
+
+ for (int i = 0; i < 4; ++i) {
+ original_dcp[i]->set_position(film2, DCPTime::from_frames(total_frames * i / 4, frame_rate));
+ original_dcp[i]->set_trim_start(ContentTime::from_frames(total_frames * i / 4, frame_rate));
+ original_dcp[i]->set_trim_end (ContentTime::from_frames(total_frames * (4 - i - 1) / 4, frame_rate));
+ original_dcp[i]->set_reference_video(true);
+ original_dcp[i]->set_reference_audio(true);
+ }
+
+ make_and_verify_dcp(film2, { dcp::VerificationNote::Code::EXTERNAL_ASSET });
+
+ dcp::DCP check1(film1->dir(film1->dcp_name()));
+ check1.read();
+ BOOST_REQUIRE(!check1.cpls().empty());
+ BOOST_REQUIRE(!check1.cpls()[0]->reels().empty());
+ auto picture = check1.cpls()[0]->reels()[0]->main_picture()->asset();
+ BOOST_REQUIRE(picture);
+ auto sound = check1.cpls()[0]->reels()[0]->main_sound()->asset();
+ BOOST_REQUIRE(sound);
+
+ dcp::DCP check2(film2->dir(film2->dcp_name()));
+ check2.read();
+ BOOST_REQUIRE(!check2.cpls().empty());
+ auto cpl = check2.cpls()[0];
+ BOOST_REQUIRE_EQUAL(cpl->reels().size(), 4U);
+ for (int i = 0; i < 4; ++i) {
+ BOOST_REQUIRE_EQUAL(cpl->reels()[i]->main_picture()->entry_point().get_value_or(0), total_frames * i / 4);
+ BOOST_REQUIRE_EQUAL(cpl->reels()[i]->main_picture()->duration().get_value_or(0), total_frames / 4);
+ BOOST_REQUIRE_EQUAL(cpl->reels()[i]->main_picture()->id(), picture->id());
+ BOOST_REQUIRE_EQUAL(cpl->reels()[i]->main_sound()->entry_point().get_value_or(0), total_frames * i / 4);
+ BOOST_REQUIRE_EQUAL(cpl->reels()[i]->main_sound()->duration().get_value_or(0), total_frames / 4);
+ BOOST_REQUIRE_EQUAL(cpl->reels()[i]->main_sound()->id(), sound->id());
+ }
+}