test/player_test.cc

   1 /*
   2     Copyright (C) 2014-2021 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21
  22 /** @file  test/player_test.cc
  23  *  @brief Test Player class.
  24  *  @ingroup selfcontained
  25  */
  26
  27
  28 #include "lib/audio_buffers.h"
  29 #include "lib/butler.h"
  30 #include "lib/compose.hpp"
  31 #include "lib/config.h"
  32 #include "lib/content_factory.h"
  33 #include "lib/cross.h"
  34 #include "lib/dcp_content.h"
  35 #include "lib/dcp_content_type.h"
  36 #include "lib/dcpomatic_log.h"
  37 #include "lib/ffmpeg_content.h"
  38 #include "lib/film.h"
  39 #include "lib/image_content.h"
  40 #include "lib/player.h"
  41 #include "lib/ratio.h"
  42 #include "lib/string_text_file_content.h"
  43 #include "lib/text_content.h"
  44 #include "lib/video_content.h"
  45 #include "test.h"
  46 #include <boost/test/unit_test.hpp>
  47 #include <boost/algorithm/string.hpp>
  48 #include <iostream>
  49
  50
  51 using std::cout;
  52 using std::list;
  53 using std::shared_ptr;
  54 using std::make_shared;
  55 using boost::bind;
  56 using boost::optional;
  57 #if BOOST_VERSION >= 106100
  58 using namespace boost::placeholders;
  59 #endif
  60 using namespace dcpomatic;
  61
  62
  63 static shared_ptr<AudioBuffers> accumulated;
  64
  65
  66 static void
  67 accumulate (shared_ptr<AudioBuffers> audio, DCPTime)
  68 {
  69         BOOST_REQUIRE (accumulated);
  70         accumulated->append (audio);
  71 }
  72
  73
  74 /** Check that the Player correctly generates silence when used with a silent FFmpegContent */
  75 BOOST_AUTO_TEST_CASE (player_silence_padding_test)
  76 {
  77         auto film = new_test_film ("player_silence_padding_test");
  78         film->set_name ("player_silence_padding_test");
  79         auto c = std::make_shared<FFmpegContent>("test/data/test.mp4");
  80         film->set_container (Ratio::from_id ("185"));
  81         film->set_audio_channels (6);
  82
  83         film->examine_and_add_content (c);
  84         BOOST_REQUIRE (!wait_for_jobs());
  85
  86         accumulated = std::make_shared<AudioBuffers>(film->audio_channels(), 0);
  87
  88         Player player(film, Image::Alignment::COMPACT);
  89         player.Audio.connect(bind(&accumulate, _1, _2));
  90         while (!player.pass()) {}
  91         BOOST_REQUIRE (accumulated->frames() >= 48000);
  92         BOOST_CHECK_EQUAL (accumulated->channels(), film->audio_channels ());
  93
  94         for (int i = 0; i < 48000; ++i) {
  95                 for (int c = 0; c < accumulated->channels(); ++c) {
  96                         BOOST_CHECK_EQUAL (accumulated->data()[c][i], 0);
  97                 }
  98         }
  99 }
 100
 101
 102 /* Test insertion of black frames between separate bits of video content */
 103 BOOST_AUTO_TEST_CASE (player_black_fill_test)
 104 {
 105         auto film = new_test_film ("black_fill_test");
 106         film->set_dcp_content_type (DCPContentType::from_isdcf_name ("FTR"));
 107         film->set_name ("black_fill_test");
 108         film->set_container (Ratio::from_id ("185"));
 109         film->set_sequence (false);
 110         film->set_interop (false);
 111         auto contentA = std::make_shared<ImageContent>("test/data/simple_testcard_640x480.png");
 112         auto contentB = std::make_shared<ImageContent>("test/data/simple_testcard_640x480.png");
 113
 114         film->examine_and_add_content (contentA);
 115         film->examine_and_add_content (contentB);
 116         BOOST_REQUIRE (!wait_for_jobs());
 117
 118         contentA->video->set_length (3);
 119         contentA->set_position (film, DCPTime::from_frames(2, film->video_frame_rate()));
 120         contentA->video->set_custom_ratio (1.85);
 121         contentB->video->set_length (1);
 122         contentB->set_position (film, DCPTime::from_frames(7, film->video_frame_rate()));
 123         contentB->video->set_custom_ratio (1.85);
 124
 125         make_and_verify_dcp (
 126                 film,
 127                 {
 128                         dcp::VerificationNote::Code::MISSING_FFMC_IN_FEATURE,
 129                         dcp::VerificationNote::Code::MISSING_FFEC_IN_FEATURE
 130                 });
 131
 132         boost::filesystem::path ref;
 133         ref = "test";
 134         ref /= "data";
 135         ref /= "black_fill_test";
 136
 137         boost::filesystem::path check;
 138         check = "build";
 139         check /= "test";
 140         check /= "black_fill_test";
 141         check /= film->dcp_name();
 142
 143         check_dcp (ref.string(), check.string());
 144 }
 145
 146
 147 /** Check behaviour with an awkward playlist whose data does not end on a video frame start */
 148 BOOST_AUTO_TEST_CASE (player_subframe_test)
 149 {
 150         auto film = new_test_film ("reels_test7");
 151         film->set_name ("reels_test7");
 152         film->set_container (Ratio::from_id("185"));
 153         film->set_dcp_content_type (DCPContentType::from_isdcf_name("TST"));
 154         auto A = content_factory("test/data/flat_red.png")[0];
 155         film->examine_and_add_content (A);
 156         BOOST_REQUIRE (!wait_for_jobs());
 157         auto B = content_factory("test/data/awkward_length.wav")[0];
 158         film->examine_and_add_content (B);
 159         BOOST_REQUIRE (!wait_for_jobs());
 160         film->set_video_frame_rate (24);
 161         A->video->set_length (3 * 24);
 162
 163         BOOST_CHECK (A->full_length(film) == DCPTime::from_frames(3 * 24, 24));
 164         BOOST_CHECK (B->full_length(film) == DCPTime(289920));
 165         /* Length should be rounded up from B's length to the next video frame */
 166         BOOST_CHECK (film->length() == DCPTime::from_frames(3 * 24 + 1, 24));
 167
 168         Player player(film, Image::Alignment::COMPACT);
 169         player.setup_pieces();
 170         BOOST_REQUIRE_EQUAL(player._black._periods.size(), 1U);
 171         BOOST_CHECK(player._black._periods.front() == DCPTimePeriod(DCPTime::from_frames(3 * 24, 24), DCPTime::from_frames(3 * 24 + 1, 24)));
 172         BOOST_REQUIRE_EQUAL(player._silent._periods.size(), 1U);
 173         BOOST_CHECK(player._silent._periods.front() == DCPTimePeriod(DCPTime(289920), DCPTime::from_frames(3 * 24 + 1, 24)));
 174 }
 175
 176
 177 static Frame video_frames;
 178 static Frame audio_frames;
 179
 180
 181 static void
 182 video (shared_ptr<PlayerVideo>, DCPTime)
 183 {
 184         ++video_frames;
 185 }
 186
 187 static void
 188 audio (shared_ptr<AudioBuffers> audio, DCPTime)
 189 {
 190         audio_frames += audio->frames();
 191 }
 192
 193
 194 /** Check with a video-only file that the video and audio emissions happen more-or-less together */
 195 BOOST_AUTO_TEST_CASE (player_interleave_test)
 196 {
 197         auto film = new_test_film ("ffmpeg_transcoder_basic_test_subs");
 198         film->set_name ("ffmpeg_transcoder_basic_test");
 199         film->set_container (Ratio::from_id ("185"));
 200         film->set_audio_channels (6);
 201
 202         auto c = std::make_shared<FFmpegContent>("test/data/test.mp4");
 203         film->examine_and_add_content (c);
 204         BOOST_REQUIRE (!wait_for_jobs ());
 205
 206         auto s = std::make_shared<StringTextFileContent>("test/data/subrip.srt");
 207         film->examine_and_add_content (s);
 208         BOOST_REQUIRE (!wait_for_jobs ());
 209
 210         Player player(film, Image::Alignment::COMPACT);
 211         player.Video.connect(bind(&video, _1, _2));
 212         player.Audio.connect(bind(&audio, _1, _2));
 213         video_frames = audio_frames = 0;
 214         while (!player.pass()) {
 215                 BOOST_CHECK (abs(video_frames - (audio_frames / 2000)) <= 8);
 216         }
 217 }
 218
 219
 220 /** Test some seeks towards the start of a DCP with awkward subtitles; see mantis #1085
 221  *  and a number of others.  I thought this was a player seek bug but in fact it was
 222  *  caused by the subtitle starting just after the start of the video frame and hence
 223  *  being faded out.
 224  */
 225 BOOST_AUTO_TEST_CASE (player_seek_test)
 226 {
 227         auto film = std::make_shared<Film>(optional<boost::filesystem::path>());
 228         auto dcp = std::make_shared<DCPContent>(TestPaths::private_data() / "awkward_subs");
 229         film->examine_and_add_content (dcp, true);
 230         BOOST_REQUIRE (!wait_for_jobs ());
 231         dcp->only_text()->set_use (true);
 232
 233         Player player(film, Image::Alignment::COMPACT);
 234         player.set_fast();
 235         player.set_always_burn_open_subtitles();
 236         player.set_play_referenced();
 237
 238         auto butler = std::make_shared<Butler>(
 239                 film, player, AudioMapping(), 2, bind(PlayerVideo::force, AV_PIX_FMT_RGB24), VideoRange::FULL, Image::Alignment::PADDED, true, false, Butler::Audio::DISABLED
 240                 );
 241
 242         for (int i = 0; i < 10; ++i) {
 243                 auto t = DCPTime::from_frames (i, 24);
 244                 butler->seek (t, true);
 245                 auto video = butler->get_video(Butler::Behaviour::BLOCKING, 0);
 246                 BOOST_CHECK_EQUAL(video.second.get(), t.get());
 247                 write_image(video.first->image(bind(PlayerVideo::force, AV_PIX_FMT_RGB24), VideoRange::FULL, true), String::compose("build/test/player_seek_test_%1.png", i));
 248                 /* This 14.08 is empirically chosen (hopefully) to accept changes in rendering between the reference and a test machine
 249                    (17.10 and 16.04 seem to anti-alias a little differently) but to reject gross errors e.g. missing fonts or missing
 250                    text altogether.
 251                 */
 252                 check_image(TestPaths::private_data() / String::compose("player_seek_test_%1.png", i), String::compose("build/test/player_seek_test_%1.png", i), 14.08);
 253         }
 254 }
 255
 256
 257 /** Test some more seeks towards the start of a DCP with awkward subtitles */
 258 BOOST_AUTO_TEST_CASE (player_seek_test2)
 259 {
 260         auto film = std::make_shared<Film>(optional<boost::filesystem::path>());
 261         auto dcp = std::make_shared<DCPContent>(TestPaths::private_data() / "awkward_subs2");
 262         film->examine_and_add_content (dcp, true);
 263         BOOST_REQUIRE (!wait_for_jobs ());
 264         dcp->only_text()->set_use (true);
 265
 266         Player player(film, Image::Alignment::COMPACT);
 267         player.set_fast();
 268         player.set_always_burn_open_subtitles();
 269         player.set_play_referenced();
 270
 271         auto butler = std::make_shared<Butler>
 272                 (film, player, AudioMapping(), 2, bind(PlayerVideo::force, AV_PIX_FMT_RGB24), VideoRange::FULL, Image::Alignment::PADDED, true, false, Butler::Audio::DISABLED
 273                  );
 274
 275         butler->seek(DCPTime::from_seconds(5), true);
 276
 277         for (int i = 0; i < 10; ++i) {
 278                 auto t = DCPTime::from_seconds(5) + DCPTime::from_frames (i, 24);
 279                 butler->seek (t, true);
 280                 auto video = butler->get_video(Butler::Behaviour::BLOCKING, 0);
 281                 BOOST_CHECK_EQUAL(video.second.get(), t.get());
 282                 write_image(
 283                         video.first->image(bind(PlayerVideo::force, AV_PIX_FMT_RGB24), VideoRange::FULL, true), String::compose("build/test/player_seek_test2_%1.png", i)
 284                         );
 285                 check_image(TestPaths::private_data() / String::compose("player_seek_test2_%1.png", i), String::compose("build/test/player_seek_test2_%1.png", i), 14.08);
 286         }
 287 }
 288
 289
 290 /** Test a bug when trimmed content follows other content */
 291 BOOST_AUTO_TEST_CASE (player_trim_test)
 292 {
 293        auto film = new_test_film2 ("player_trim_test");
 294        auto A = content_factory("test/data/flat_red.png")[0];
 295        film->examine_and_add_content (A);
 296        BOOST_REQUIRE (!wait_for_jobs ());
 297        A->video->set_length (10 * 24);
 298        auto B = content_factory("test/data/flat_red.png")[0];
 299        film->examine_and_add_content (B);
 300        BOOST_REQUIRE (!wait_for_jobs ());
 301        B->video->set_length (10 * 24);
 302        B->set_position (film, DCPTime::from_seconds(10));
 303        B->set_trim_start (ContentTime::from_seconds (2));
 304
 305        make_and_verify_dcp (film);
 306 }
 307
 308
 309 struct Sub {
 310         PlayerText text;
 311         TextType type;
 312         optional<DCPTextTrack> track;
 313         DCPTimePeriod period;
 314 };
 315
 316
 317 static void
 318 store (list<Sub>* out, PlayerText text, TextType type, optional<DCPTextTrack> track, DCPTimePeriod period)
 319 {
 320         Sub s;
 321         s.text = text;
 322         s.type = type;
 323         s.track = track;
 324         s.period = period;
 325         out->push_back (s);
 326 }
 327
 328
 329 /** Test ignoring both video and audio */
 330 BOOST_AUTO_TEST_CASE (player_ignore_video_and_audio_test)
 331 {
 332         auto film = new_test_film2 ("player_ignore_video_and_audio_test");
 333         auto ff = content_factory(TestPaths::private_data() / "boon_telly.mkv")[0];
 334         film->examine_and_add_content (ff);
 335         auto text = content_factory("test/data/subrip.srt")[0];
 336         film->examine_and_add_content (text);
 337         BOOST_REQUIRE (!wait_for_jobs());
 338         text->only_text()->set_type (TextType::CLOSED_CAPTION);
 339         text->only_text()->set_use (true);
 340
 341         Player player(film, Image::Alignment::COMPACT);
 342         player.set_ignore_video();
 343         player.set_ignore_audio();
 344
 345         list<Sub> out;
 346         player.Text.connect(bind (&store, &out, _1, _2, _3, _4));
 347         while (!player.pass()) {}
 348
 349         BOOST_CHECK_EQUAL (out.size(), 6U);
 350 }
 351
 352
 353 /** Trigger a crash due to the assertion failure in Player::emit_audio */
 354 BOOST_AUTO_TEST_CASE (player_trim_crash)
 355 {
 356         auto film = new_test_film2 ("player_trim_crash");
 357         auto boon = content_factory(TestPaths::private_data() / "boon_telly.mkv")[0];
 358         film->examine_and_add_content (boon);
 359         BOOST_REQUIRE (!wait_for_jobs());
 360
 361         Player player(film, Image::Alignment::COMPACT);
 362         player.set_fast();
 363         auto butler = std::make_shared<Butler>(
 364                 film, player, AudioMapping(), 6, bind(&PlayerVideo::force, AV_PIX_FMT_RGB24), VideoRange::FULL, Image::Alignment::COMPACT, true, false, Butler::Audio::ENABLED
 365                 );
 366
 367         /* Wait for the butler to fill */
 368         dcpomatic_sleep_seconds (5);
 369
 370         boon->set_trim_start (ContentTime::from_seconds(5));
 371
 372         butler->seek (DCPTime(), true);
 373
 374         /* Wait for the butler to refill */
 375         dcpomatic_sleep_seconds (5);
 376
 377         butler->rethrow ();
 378 }
 379
 380
 381 /** Test a crash when the gap between the last audio and the start of a silent period is more than 1 sample */
 382 BOOST_AUTO_TEST_CASE (player_silence_crash)
 383 {
 384         auto film = new_test_film2 ("player_silence_crash");
 385         auto sine = content_factory("test/data/impulse_train.wav")[0];
 386         film->examine_and_add_content (sine);
 387         BOOST_REQUIRE (!wait_for_jobs());
 388
 389         sine->set_video_frame_rate (23.976);
 390         film->write_metadata ();
 391         make_and_verify_dcp (film, {dcp::VerificationNote::Code::MISSING_CPL_METADATA});
 392 }
 393
 394
 395 /** Test a crash when processing a 3D DCP */
 396 BOOST_AUTO_TEST_CASE (player_3d_test_1)
 397 {
 398         auto film = new_test_film2 ("player_3d_test_1a");
 399         auto left = content_factory("test/data/flat_red.png")[0];
 400         film->examine_and_add_content (left);
 401         auto right = content_factory("test/data/flat_blue.png")[0];
 402         film->examine_and_add_content (right);
 403         BOOST_REQUIRE (!wait_for_jobs());
 404
 405         left->video->set_frame_type (VideoFrameType::THREE_D_LEFT);
 406         left->set_position (film, DCPTime());
 407         right->video->set_frame_type (VideoFrameType::THREE_D_RIGHT);
 408         right->set_position (film, DCPTime());
 409         film->set_three_d (true);
 410
 411         make_and_verify_dcp (film);
 412
 413         auto dcp = std::make_shared<DCPContent>(film->dir(film->dcp_name()));
 414         auto film2 = new_test_film2 ("player_3d_test_1b", {dcp});
 415
 416         film2->set_three_d (true);
 417         make_and_verify_dcp (film2);
 418 }
 419
 420
 421 /** Test a crash when processing a 3D DCP as content in a 2D project */
 422 BOOST_AUTO_TEST_CASE (player_3d_test_2)
 423 {
 424         auto left = content_factory("test/data/flat_red.png")[0];
 425         auto right = content_factory("test/data/flat_blue.png")[0];
 426         auto film = new_test_film2 ("player_3d_test_2a", {left, right});
 427
 428         left->video->set_frame_type (VideoFrameType::THREE_D_LEFT);
 429         left->set_position (film, DCPTime());
 430         right->video->set_frame_type (VideoFrameType::THREE_D_RIGHT);
 431         right->set_position (film, DCPTime());
 432         film->set_three_d (true);
 433
 434         make_and_verify_dcp (film);
 435
 436         auto dcp = std::make_shared<DCPContent>(film->dir(film->dcp_name()));
 437         auto film2 = new_test_film2 ("player_3d_test_2b", {dcp});
 438
 439         make_and_verify_dcp (film2);
 440 }
 441
 442
 443 /** Test a crash when there is video-only content at the end of the DCP and a frame-rate conversion is happening;
 444  *  #1691.
 445  */
 446 BOOST_AUTO_TEST_CASE (player_silence_at_end_crash)
 447 {
 448         /* 25fps DCP with some audio */
 449         auto content1 = content_factory("test/data/flat_red.png")[0];
 450         auto film1 = new_test_film2 ("player_silence_at_end_crash_1", {content1});
 451         content1->video->set_length (25);
 452         film1->set_video_frame_rate (25);
 453         make_and_verify_dcp (film1);
 454
 455         /* Make another project importing this DCP */
 456         auto content2 = std::make_shared<DCPContent>(film1->dir(film1->dcp_name()));
 457         auto film2 = new_test_film2 ("player_silence_at_end_crash_2", {content2});
 458
 459         /* and importing just the video MXF on its own at the end */
 460         optional<boost::filesystem::path> video;
 461         for (auto i: boost::filesystem::directory_iterator(film1->dir(film1->dcp_name()))) {
 462                 if (boost::starts_with(i.path().filename().string(), "j2c_")) {
 463                         video = i.path();
 464                 }
 465         }
 466
 467         BOOST_REQUIRE (video);
 468         auto content3 = content_factory(*video)[0];
 469         film2->examine_and_add_content (content3);
 470         BOOST_REQUIRE (!wait_for_jobs());
 471         content3->set_position (film2, DCPTime::from_seconds(1.5));
 472         film2->set_video_frame_rate (24);
 473         make_and_verify_dcp (film2);
 474 }
 475
 476
 477 /** #2257 */
 478 BOOST_AUTO_TEST_CASE (encrypted_dcp_with_no_kdm_gives_no_butler_error)
 479 {
 480         auto content = content_factory("test/data/flat_red.png")[0];
 481         auto film = new_test_film2 ("encrypted_dcp_with_no_kdm_gives_no_butler_error", { content });
 482         int constexpr length = 24 * 25;
 483         content->video->set_length(length);
 484         film->set_encrypted (true);
 485         make_and_verify_dcp (
 486                 film,
 487                 {
 488                         dcp::VerificationNote::Code::MISSING_CPL_METADATA,
 489                 });
 490
 491         auto content2 = std::make_shared<DCPContent>(film->dir(film->dcp_name()));
 492         auto film2 = new_test_film2 ("encrypted_dcp_with_no_kdm_gives_no_butler_error2", { content2 });
 493
 494         Player player(film, Image::Alignment::COMPACT);
 495         Butler butler(film2, player, AudioMapping(), 2, bind(PlayerVideo::force, AV_PIX_FMT_RGB24), VideoRange::FULL, Image::Alignment::PADDED, true, false, Butler::Audio::ENABLED);
 496
 497         float buffer[2000 * 6];
 498         for (int i = 0; i < length; ++i) {
 499                 butler.get_video(Butler::Behaviour::BLOCKING, 0);
 500                 butler.get_audio(Butler::Behaviour::BLOCKING, buffer, 2000);
 501         }
 502
 503         BOOST_CHECK_NO_THROW(butler.rethrow());
 504 }
 505
 506
 507 BOOST_AUTO_TEST_CASE (interleaved_subtitle_are_emitted_correctly)
 508 {
 509         boost::filesystem::path paths[2] = {
 510                 "build/test/interleaved_subtitle_are_emitted_correctly1.srt",
 511                 "build/test/interleaved_subtitle_are_emitted_correctly2.srt"
 512         };
 513
 514         dcp::File subs_file[2] = { dcp::File(paths[0], "w"), dcp::File(paths[1], "w") };
 515
 516         fprintf(subs_file[0].get(), "1\n00:00:01,000 -> 00:00:02,000\nSub 1/1\n\n");
 517         fprintf(subs_file[0].get(), "2\n00:00:05,000 -> 00:00:06,000\nSub 1/2\n\n");
 518
 519         fprintf(subs_file[1].get(), "1\n00:00:00,500 -> 00:00:01,500\nSub 2/1\n\n");
 520         fprintf(subs_file[1].get(), "2\n00:00:02,000 -> 00:00:03,000\nSub 2/2\n\n");
 521
 522         subs_file[0].close();
 523         subs_file[1].close();
 524
 525         auto subs1 = content_factory(paths[0])[0];
 526         auto subs2 = content_factory(paths[1])[0];
 527         auto film = new_test_film2("interleaved_subtitle_are_emitted_correctly", { subs1, subs2 });
 528         film->set_sequence(false);
 529         subs1->set_position(film, DCPTime());
 530         subs2->set_position(film, DCPTime());
 531
 532         Player player(film, Image::Alignment::COMPACT);
 533         dcp::Time last;
 534         player.Text.connect([&last](PlayerText text, TextType, optional<DCPTextTrack>, dcpomatic::DCPTimePeriod) {
 535                 for (auto sub: text.string) {
 536                         BOOST_CHECK(sub.in() >= last);
 537                         last = sub.in();
 538                 }
 539         });
 540         while (!player.pass()) {}
 541 }
 542
 543
 544 BOOST_AUTO_TEST_CASE(multiple_sound_files_bug)
 545 {
 546         Config::instance()->set_log_types(Config::instance()->log_types() | LogEntry::TYPE_DEBUG_PLAYER);
 547
 548         auto A = content_factory(TestPaths::private_data() / "kook" / "1.wav").front();
 549         auto B = content_factory(TestPaths::private_data() / "kook" / "2.wav").front();
 550         auto C = content_factory(TestPaths::private_data() / "kook" / "3.wav").front();
 551
 552         auto film = new_test_film2("multiple_sound_files_bug", { A, B, C });
 553         C->set_position(film, DCPTime(3840000));
 554
 555         make_and_verify_dcp(film, { dcp::VerificationNote::Code::MISSING_CPL_METADATA });
 556
 557         check_mxf_audio_file(TestPaths::private_data() / "kook" / "reference.mxf", dcp_file(film, "pcm_"));
 558 }
 559