Tests of Player::dcp_to_content_video, content_video_to_dcp and

dcp_to_content_audio with some subtle and hopefully reasonable
fixes.

1 files changed, 697 insertions, 89 deletions

diff --git a/test/time_calculation_test.cc b/test/time_calculation_test.cc
index 8ee079758..92e7b15ec 100644
--- a/test/time_calculation_test.cc
+++ b/test/time_calculation_test.cc
@@ -19,6 +19,7 @@
 
 #include "lib/film.h"
 #include "lib/ffmpeg_content.h"
+#include "lib/player.h"
 #include "test.h"
 #include <boost/test/unit_test.hpp>
 
@@ -26,98 +27,98 @@ using std::string;
 using std::list;
 using boost::shared_ptr;
 
+static string const xml = "<Content>"
+	"<Type>FFmpeg</Type>"
+	"<BurnSubtitles>0</BurnSubtitles>"
+	"<BitsPerPixel>8</BitsPerPixel>"
+	"<Path>/home/c.hetherington/DCP/clapperboard.mp4</Path>"
+	"<Digest>2760e03c7251480f7f02c01a907792673784335</Digest>"
+	"<Position>0</Position>"
+	"<TrimStart>0</TrimStart>"
+	"<TrimEnd>0</TrimEnd>"
+	"<VideoLength>1353600</VideoLength>"
+	"<VideoWidth>1280</VideoWidth>"
+	"<VideoHeight>720</VideoHeight>"
+	"<VideoFrameRate>25</VideoFrameRate>"
+	"<VideoFrameType>0</VideoFrameType>"
+	"<LeftCrop>0</LeftCrop>"
+	"<RightCrop>0</RightCrop>"
+	"<TopCrop>0</TopCrop>"
+	"<BottomCrop>0</BottomCrop>"
+	"<Scale>"
+	"<Ratio>178</Ratio>"
+	"</Scale>"
+	"<ColourConversion>"
+	"<InputTransferFunction>"
+	"<Type>ModifiedGamma</Type>"
+	"<Power>2.222222222222222</Power>"
+	"<Threshold>0.081</Threshold>"
+	"<A>0.099</A>"
+	"<B>4.5</B>"
+	"</InputTransferFunction>"
+	"<RedX>0.64</RedX>"
+	"<RedY>0.33</RedY>"
+	"<GreenX>0.3</GreenX>"
+	"<GreenY>0.6</GreenY>"
+	"<BlueX>0.15</BlueX>"
+	"<BlueY>0.06</BlueY>"
+	"<WhiteX>0.3127</WhiteX>"
+	"<WhiteY>0.329</WhiteY>"
+	"<OutputGamma>2.6</OutputGamma>"
+	"</ColourConversion>"
+	"<FadeIn>0</FadeIn>"
+	"<FadeOut>0</FadeOut>"
+	"<AudioGain>0</AudioGain>"
+	"<AudioDelay>0</AudioDelay>"
+	"<UseSubtitles>0</UseSubtitles>"
+	"<SubtitleXOffset>0</SubtitleXOffset>"
+	"<SubtitleYOffset>0</SubtitleYOffset>"
+	"<SubtitleXScale>1</SubtitleXScale>"
+	"<SubtitleYScale>1</SubtitleYScale>"
+	"<SubtitleLanguage></SubtitleLanguage>"
+	"<AudioStream>"
+	"<Selected>1</Selected>"
+	"<Name>und; 2 channels</Name>"
+	"<Id>2</Id>"
+	"<FrameRate>44100</FrameRate>"
+	"<Channels>2</Channels>"
+	"<FirstAudio>0</FirstAudio>"
+	"<Mapping>"
+	"<InputChannels>2</InputChannels>"
+	"<OutputChannels>12</OutputChannels>"
+	"<Gain Input=\"0\" Output=\"0\">1</Gain>"
+	"<Gain Input=\"0\" Output=\"1\">0</Gain>"
+	"<Gain Input=\"0\" Output=\"2\">0</Gain>"
+	"<Gain Input=\"0\" Output=\"3\">0</Gain>"
+	"<Gain Input=\"0\" Output=\"4\">0</Gain>"
+	"<Gain Input=\"0\" Output=\"5\">0</Gain>"
+	"<Gain Input=\"0\" Output=\"6\">0</Gain>"
+	"<Gain Input=\"0\" Output=\"7\">0</Gain>"
+	"<Gain Input=\"0\" Output=\"8\">0</Gain>"
+	"<Gain Input=\"0\" Output=\"9\">0</Gain>"
+	"<Gain Input=\"0\" Output=\"10\">0</Gain>"
+	"<Gain Input=\"0\" Output=\"11\">0</Gain>"
+	"<Gain Input=\"1\" Output=\"0\">0</Gain>"
+	"<Gain Input=\"1\" Output=\"1\">1</Gain>"
+	"<Gain Input=\"1\" Output=\"2\">0</Gain>"
+	"<Gain Input=\"1\" Output=\"3\">0</Gain>"
+	"<Gain Input=\"1\" Output=\"4\">0</Gain>"
+	"<Gain Input=\"1\" Output=\"5\">0</Gain>"
+	"<Gain Input=\"1\" Output=\"6\">0</Gain>"
+	"<Gain Input=\"1\" Output=\"7\">0</Gain>"
+	"<Gain Input=\"1\" Output=\"8\">0</Gain>"
+	"<Gain Input=\"1\" Output=\"9\">0</Gain>"
+	"<Gain Input=\"1\" Output=\"10\">0</Gain>"
+	"<Gain Input=\"1\" Output=\"11\">0</Gain>"
+	"</Mapping>"
+	"</AudioStream>"
+	"<FirstVideo>0</FirstVideo>"
+	"</Content>";
+
 BOOST_AUTO_TEST_CASE (ffmpeg_time_calculation_test)
 {
 	shared_ptr<Film> film = new_test_film ("ffmpeg_time_calculation_test");
 
-	string const xml = "<Content>"
-		"<Type>FFmpeg</Type>"
-		"<BurnSubtitles>0</BurnSubtitles>"
-		"<BitsPerPixel>8</BitsPerPixel>"
-		"<Path>/home/c.hetherington/DCP/clapperboard.mp4</Path>"
-		"<Digest>2760e03c7251480f7f02c01a907792673784335</Digest>"
-		"<Position>0</Position>"
-		"<TrimStart>0</TrimStart>"
-		"<TrimEnd>0</TrimEnd>"
-		"<VideoLength>1353600</VideoLength>"
-		"<VideoWidth>1280</VideoWidth>"
-		"<VideoHeight>720</VideoHeight>"
-		"<VideoFrameRate>25</VideoFrameRate>"
-		"<VideoFrameType>0</VideoFrameType>"
-		"<LeftCrop>0</LeftCrop>"
-		"<RightCrop>0</RightCrop>"
-		"<TopCrop>0</TopCrop>"
-		"<BottomCrop>0</BottomCrop>"
-		"<Scale>"
-		"<Ratio>178</Ratio>"
-		"</Scale>"
-		"<ColourConversion>"
-		"<InputTransferFunction>"
-		"<Type>ModifiedGamma</Type>"
-		"<Power>2.222222222222222</Power>"
-		"<Threshold>0.081</Threshold>"
-		"<A>0.099</A>"
-		"<B>4.5</B>"
-		"</InputTransferFunction>"
-		"<RedX>0.64</RedX>"
-		"<RedY>0.33</RedY>"
-		"<GreenX>0.3</GreenX>"
-		"<GreenY>0.6</GreenY>"
-		"<BlueX>0.15</BlueX>"
-		"<BlueY>0.06</BlueY>"
-		"<WhiteX>0.3127</WhiteX>"
-		"<WhiteY>0.329</WhiteY>"
-		"<OutputGamma>2.6</OutputGamma>"
-		"</ColourConversion>"
-		"<FadeIn>0</FadeIn>"
-		"<FadeOut>0</FadeOut>"
-		"<AudioGain>0</AudioGain>"
-		"<AudioDelay>0</AudioDelay>"
-		"<UseSubtitles>0</UseSubtitles>"
-		"<SubtitleXOffset>0</SubtitleXOffset>"
-		"<SubtitleYOffset>0</SubtitleYOffset>"
-		"<SubtitleXScale>1</SubtitleXScale>"
-		"<SubtitleYScale>1</SubtitleYScale>"
-		"<SubtitleLanguage></SubtitleLanguage>"
-		"<AudioStream>"
-		"<Selected>1</Selected>"
-		"<Name>und; 2 channels</Name>"
-		"<Id>2</Id>"
-		"<FrameRate>44100</FrameRate>"
-		"<Channels>2</Channels>"
-		"<FirstAudio>0</FirstAudio>"
-		"<Mapping>"
-		"<InputChannels>2</InputChannels>"
-		"<OutputChannels>12</OutputChannels>"
-		"<Gain Input=\"0\" Output=\"0\">1</Gain>"
-		"<Gain Input=\"0\" Output=\"1\">0</Gain>"
-		"<Gain Input=\"0\" Output=\"2\">0</Gain>"
-		"<Gain Input=\"0\" Output=\"3\">0</Gain>"
-		"<Gain Input=\"0\" Output=\"4\">0</Gain>"
-		"<Gain Input=\"0\" Output=\"5\">0</Gain>"
-		"<Gain Input=\"0\" Output=\"6\">0</Gain>"
-		"<Gain Input=\"0\" Output=\"7\">0</Gain>"
-		"<Gain Input=\"0\" Output=\"8\">0</Gain>"
-		"<Gain Input=\"0\" Output=\"9\">0</Gain>"
-		"<Gain Input=\"0\" Output=\"10\">0</Gain>"
-		"<Gain Input=\"0\" Output=\"11\">0</Gain>"
-		"<Gain Input=\"1\" Output=\"0\">0</Gain>"
-		"<Gain Input=\"1\" Output=\"1\">1</Gain>"
-		"<Gain Input=\"1\" Output=\"2\">0</Gain>"
-		"<Gain Input=\"1\" Output=\"3\">0</Gain>"
-		"<Gain Input=\"1\" Output=\"4\">0</Gain>"
-		"<Gain Input=\"1\" Output=\"5\">0</Gain>"
-		"<Gain Input=\"1\" Output=\"6\">0</Gain>"
-		"<Gain Input=\"1\" Output=\"7\">0</Gain>"
-		"<Gain Input=\"1\" Output=\"8\">0</Gain>"
-		"<Gain Input=\"1\" Output=\"9\">0</Gain>"
-		"<Gain Input=\"1\" Output=\"10\">0</Gain>"
-		"<Gain Input=\"1\" Output=\"11\">0</Gain>"
-		"</Mapping>"
-		"</AudioStream>"
-		"<FirstVideo>0</FirstVideo>"
-		"</Content>";
-
 	shared_ptr<cxml::Document> doc (new cxml::Document);
 	doc->read_string (xml);
 
@@ -141,4 +142,611 @@ BOOST_AUTO_TEST_CASE (ffmpeg_time_calculation_test)
 	BOOST_CHECK_EQUAL (content->full_length(), DCPTime::from_seconds (content->video_length() * (50.0 / 60) / 25.0));
 }
 
-/* XXX much more stuff to test */
+/** Test Player::dcp_to_content_video */
+BOOST_AUTO_TEST_CASE (player_time_calculation_test1)
+{
+	shared_ptr<Film> film = new_test_film ("player_time_calculation_test1");
+
+	shared_ptr<cxml::Document> doc (new cxml::Document);
+	doc->read_string (xml);
+
+	list<string> notes;
+	shared_ptr<FFmpegContent> content (new FFmpegContent (film, doc, film->state_version(), notes));
+	film->set_sequence_video (false);
+	film->add_content (content);
+
+	shared_ptr<Player> player (new Player (film, film->playlist ()));
+
+	/* Position 0, no trim, content rate = DCP rate */
+	content->set_position (DCPTime ());
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (24);
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	shared_ptr<Piece> piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (0.5)), 12);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (3.0)), 72);
+
+	/* Position 3s, no trim, content rate = DCP rate */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (24);
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (0.50)),   0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (3.00)),   0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (4.50)),  36);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (9.75)), 162);
+
+	/* Position 3s, 1.5s trim, content rate = DCP rate */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime::from_seconds (1.5));
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (24);
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (0.50)),   0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (3.00)),  36);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (4.50)),  72);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (9.75)), 198);
+
+	/* Position 0, no trim, content rate 24, DCP rate 25.
+	   Now, for example, a DCPTime position of 3s means 3s at 25fps.  Since we run the video
+	   fast (at 25fps) in this case, this means 75 frames of content video will be used.
+	*/
+	content->set_position (DCPTime ());
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (25);
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (0.6)), 15);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (3.0)), 75);
+
+	/* Position 3s, no trim, content rate 24, DCP rate 25 */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (25);
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (0.60)),   0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (3.00)),   0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (4.60)),  40);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (9.75)), 169);
+
+	/* Position 3s, 1.6s trim, content rate 24, DCP rate 25 */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime::from_seconds (1.6));
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (25);
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (0.60)),   0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (3.00)),  40);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (4.60)),  80);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (9.75)), 209);
+
+	/* Position 0, no trim, content rate 24, DCP rate 48
+	   Now, for example, a DCPTime position of 3s means 3s at 48fps.  Since we run the video
+	   with repeated frames in this case, 3 * 24 frames of content video will
+	   be used to make 3 * 48 frames of DCP video.  The results should be the same as the
+	   content rate = DCP rate case.
+	*/
+	content->set_position (DCPTime ());
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (48);
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (0.5)), 12);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (3.0)), 72);
+
+	/* Position 3s, no trim, content rate 24, DCP rate 48 */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (48);
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (0.50)),   0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (3.00)),   0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (4.50)),  36);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (9.75)), 162);
+
+	/* Position 3s, 1.5s trim, content rate 24, DCP rate 48 */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime::from_seconds (1.5));
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (48);
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (0.50)),   0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (3.00)),  36);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (4.50)),  72);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (9.75)), 198);
+
+	/* Position 0, no trim, content rate 48, DCP rate 24
+	   Now, for example, a DCPTime position of 3s means 3s at 24fps.  Since we run the video
+	   with skipped frames in this case, 3 * 48 frames of content video will
+	   be used to make 3 * 24 frames of DCP video.
+	*/
+	content->set_position (DCPTime ());
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (48);
+	film->set_video_frame_rate (24);
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (0.5)), 24);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (3.0)), 144);
+
+	/* Position 3s, no trim, content rate 24, DCP rate 48 */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (48);
+	film->set_video_frame_rate (24);
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (0.50)),   0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (3.00)),   0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (4.50)),  72);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (9.75)), 324);
+
+	/* Position 3s, 1.5s trim, content rate 24, DCP rate 48 */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime::from_seconds (1.5));
+	content->set_video_frame_rate (48);
+	film->set_video_frame_rate (24);
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (0.50)),   0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (3.00)),  72);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (4.50)), 144);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_video (piece, DCPTime::from_seconds (9.75)), 396);
+}
+
+/** Test Player::content_video_to_dcp */
+BOOST_AUTO_TEST_CASE (player_time_calculation_test2)
+{
+	shared_ptr<Film> film = new_test_film ("player_time_calculation_test2");
+
+	shared_ptr<cxml::Document> doc (new cxml::Document);
+	doc->read_string (xml);
+
+	list<string> notes;
+	shared_ptr<FFmpegContent> content (new FFmpegContent (film, doc, film->state_version(), notes));
+	film->set_sequence_video (false);
+	film->add_content (content);
+
+	shared_ptr<Player> player (new Player (film, film->playlist ()));
+
+	/* Position 0, no trim, content rate = DCP rate */
+	content->set_position (DCPTime ());
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (24);
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	shared_ptr<Piece> piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 0), DCPTime ());
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 12), DCPTime::from_seconds (0.5));
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 72), DCPTime::from_seconds (3.0));
+
+	/* Position 3s, no trim, content rate = DCP rate */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (24);
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 0), DCPTime::from_seconds (3.00));
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 36), DCPTime::from_seconds (4.50));
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 162), DCPTime::from_seconds (9.75));
+
+	/* Position 3s, 1.5s trim, content rate = DCP rate */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime::from_seconds (1.5));
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (24);
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 0), DCPTime::from_seconds (1.50));
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 36), DCPTime::from_seconds (3.00));
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 72), DCPTime::from_seconds (4.50));
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 198), DCPTime::from_seconds (9.75));
+
+	/* Position 0, no trim, content rate 24, DCP rate 25.
+	   Now, for example, a DCPTime position of 3s means 3s at 25fps.  Since we run the video
+	   fast (at 25fps) in this case, this means 75 frames of content video will be used.
+	*/
+	content->set_position (DCPTime ());
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (25);
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 0), DCPTime ());
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 15), DCPTime::from_seconds (0.6));
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 75), DCPTime::from_seconds (3.0));
+
+	/* Position 3s, no trim, content rate 24, DCP rate 25 */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (25);
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 0), DCPTime::from_seconds (3.00));
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 40), DCPTime::from_seconds (4.60));
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 169), DCPTime::from_seconds (9.76));
+
+	/* Position 3s, 1.6s trim, content rate 24, DCP rate 25 */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime::from_seconds (1.6));
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (25);
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 0), DCPTime::from_seconds (1.4));
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 40), DCPTime::from_seconds (3.00));
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 80), DCPTime::from_seconds (4.60));
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 209), DCPTime::from_seconds (9.76));
+
+	/* Position 0, no trim, content rate 24, DCP rate 48
+	   Now, for example, a DCPTime position of 3s means 3s at 48fps.  Since we run the video
+	   with repeated frames in this case, 3 * 24 frames of content video will
+	   be used to make 3 * 48 frames of DCP video.  The results should be the same as the
+	   content rate = DCP rate case.
+	*/
+	content->set_position (DCPTime ());
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (48);
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 0), DCPTime ());
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 12), DCPTime::from_seconds (0.5));
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 72), DCPTime::from_seconds (3.0));
+
+	/* Position 3s, no trim, content rate 24, DCP rate 48 */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (48);
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 0), DCPTime::from_seconds (3.00));
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 36), DCPTime::from_seconds (4.50));
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 162), DCPTime::from_seconds (9.75));
+
+	/* Position 3s, 1.5s trim, content rate 24, DCP rate 48 */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime::from_seconds (1.5));
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (48);
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 0), DCPTime::from_seconds (1.50));
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 36), DCPTime::from_seconds (3.00));
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 72), DCPTime::from_seconds (4.50));
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 198), DCPTime::from_seconds (9.75));
+
+	/* Position 0, no trim, content rate 48, DCP rate 24
+	   Now, for example, a DCPTime position of 3s means 3s at 24fps.  Since we run the video
+	   with skipped frames in this case, 3 * 48 frames of content video will
+	   be used to make 3 * 24 frames of DCP video.
+	*/
+	content->set_position (DCPTime ());
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (48);
+	film->set_video_frame_rate (24);
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 0), DCPTime ());
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 24), DCPTime::from_seconds (0.5));
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 144), DCPTime::from_seconds (3.0));
+
+	/* Position 3s, no trim, content rate 24, DCP rate 48 */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (48);
+	film->set_video_frame_rate (24);
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 0), DCPTime::from_seconds (3.00));
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 72), DCPTime::from_seconds (4.50));
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 324), DCPTime::from_seconds (9.75));
+
+	/* Position 3s, 1.5s trim, content rate 24, DCP rate 48 */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime::from_seconds (1.5));
+	content->set_video_frame_rate (48);
+	film->set_video_frame_rate (24);
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 0), DCPTime::from_seconds (1.50));
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 72), DCPTime::from_seconds (3.00));
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 144), DCPTime::from_seconds (4.50));
+	BOOST_CHECK_EQUAL (player->content_video_to_dcp (piece, 396), DCPTime::from_seconds (9.75));
+}
+
+/** Test Player::dcp_to_content_audio */
+BOOST_AUTO_TEST_CASE (player_time_calculation_test3)
+{
+	shared_ptr<Film> film = new_test_film ("player_time_calculation_test3");
+
+	shared_ptr<cxml::Document> doc (new cxml::Document);
+	doc->read_string (xml);
+
+	list<string> notes;
+	shared_ptr<FFmpegContent> content (new FFmpegContent (film, doc, film->state_version(), notes));
+	AudioStreamPtr stream = content->audio_streams().front();
+	film->set_sequence_video (false);
+	film->add_content (content);
+
+	shared_ptr<Player> player (new Player (film, film->playlist ()));
+
+	/* Position 0, no trim, video/audio content rate = video/audio DCP rate */
+	content->set_position (DCPTime ());
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (24);
+	stream->_frame_rate = 48000;
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	shared_ptr<Piece> piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (0.5)),  24000);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (3.0)), 144000);
+
+	/* Position 3s, no trim, video/audio content rate = video/audio DCP rate */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (24);
+	stream->_frame_rate = 48000;
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (0.50)),      0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (3.00)),      0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (4.50)),  72000);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (9.75)), 324000);
+
+	/* Position 3s, 1.5s trim, video/audio content rate = video/audio DCP rate */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime::from_seconds (1.5));
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (24);
+	stream->_frame_rate = 48000;
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (0.50)),   0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (3.00)),  72000);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (4.50)), 144000);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (9.75)), 396000);
+
+	/* Position 0, no trim, content video rate 24, DCP video rate 25, both audio rates still 48k.
+	   Now we are resampling the audio so that 48000 content samples become 46080 DCP samples
+	   (sounding the same and still corresponding to 1 second) which are then played over 24/25s
+	   so that they run fast.  Hence 1 second in the DCP uses (25/24) * 48000 content samples.
+	*/
+	content->set_position (DCPTime ());
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (25);
+	stream->_frame_rate = 48000;
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (0.6)),  30000);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (3.0)), 150000);
+
+	/* Position 3s, no trim, content video rate 24, DCP rate 25, both audio rates still 48k. */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (25);
+	stream->_frame_rate = 48000;
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (0.60)),      0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (3.00)),      0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (4.60)),  80000);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (9.75)), 337500);
+
+	/* Position 3s, 1.6s trim, content rate 24, DCP rate 25, both audio rates still 48k. */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime::from_seconds (1.6));
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (25);
+	stream->_frame_rate = 48000;
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (0.60)),   0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (3.00)),  80000);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (4.60)), 160000);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (9.75)), 417500);
+
+	/* Position 0, no trim, content rate 24, DCP rate 48, both audio rates still 48k.
+	   Now, for example, a DCPTime position of 3s means 3s at 48fps.  Since we run the video
+	   with repeated frames in this case, audio samples will map straight through.
+	   The results should be the same as the content rate = DCP rate case.
+	*/
+	content->set_position (DCPTime ());
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (48);
+	stream->_frame_rate = 48000;
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (0.5)),  24000);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (3.0)), 144000);
+
+	/* Position 3s, no trim, content rate 24, DCP rate 48 */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (24);
+	stream->_frame_rate = 48000;
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (0.50)),      0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (3.00)),      0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (4.50)),  72000);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (9.75)), 324000);
+
+	/* Position 3s, 1.5s trim, content rate 24, DCP rate 48 */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime::from_seconds (1.5));
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (24);
+	stream->_frame_rate = 48000;
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (0.50)),   0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (3.00)),  72000);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (4.50)), 144000);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (9.75)), 396000);
+
+	/* Position 0, no trim, content rate 48, DCP rate 24
+	   Now, for example, a DCPTime position of 3s means 3s at 24fps.  Since we run the video
+	   with skipped frames in this case, audio samples should map straight through.
+	*/
+	content->set_position (DCPTime ());
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (48);
+	stream->_frame_rate = 48000;
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (0.5)),  24000);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (3.0)), 144000);
+
+	/* Position 3s, no trim, content rate 24, DCP rate 48 */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (24);
+	stream->_frame_rate = 48000;
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (0.50)),      0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (3.00)),      0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (4.50)),  72000);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (9.75)), 324000);
+
+	/* Position 3s, 1.5s trim, content rate 24, DCP rate 48 */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime::from_seconds (1.5));
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (24);
+	stream->_frame_rate = 48000;
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (0.50)),   0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (3.00)),  72000);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (4.50)), 144000);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (9.75)), 396000);
+
+	/* Position 0, no trim, video content rate = video DCP rate, content audio rate = 44.1k
+	   Now 44100 content samples correspond to 1s.
+	*/
+	content->set_position (DCPTime ());
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (24);
+	stream->_frame_rate = 44100;
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (0.5)),  22050);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (3.0)), 132300);
+
+	/* Position 3s, no trim, video content rate = video DCP rate, content audio rate = 44.1k */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime ());
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (24);
+	stream->_frame_rate = 44100;
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (0.50)),      0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (3.00)),      0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (4.50)),  66150);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (9.75)), 297675);
+
+	/* Position 3s, 1.5s trim, video content rate = video DCP rate, content audio rate = 44.1k */
+	content->set_position (DCPTime::from_seconds (3));
+	content->set_trim_start (DCPTime::from_seconds (1.5));
+	content->set_video_frame_rate (24);
+	film->set_video_frame_rate (24);
+	stream->_frame_rate = 44100;
+	player->setup_pieces ();
+	BOOST_REQUIRE_EQUAL (player->_pieces.size(), 1);
+	piece = player->_pieces.front ();
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime ()), 0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (0.50)),      0);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (3.00)),  66150);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (4.50)), 132300);
+	BOOST_CHECK_EQUAL (player->dcp_to_content_audio (piece, stream, DCPTime::from_seconds (9.75)), 363825);
+}