Use ffmpeg calls for pixel parameters; add (and alter, hmm) tests to suit.

1 files changed, 211 insertions, 0 deletions

diff --git a/test/frame_rate_test.cc b/test/frame_rate_test.cc
new file mode 100644
index 000000000..00700656e
--- /dev/null
+++ b/test/frame_rate_test.cc
@@ -0,0 +1,211 @@
+/*
+    Copyright (C) 2012 Carl Hetherington <cth@carlh.net>
+
+    This program 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.
+
+    This program 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 this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+*/
+
+/* Test best_dcp_frame_rate and FrameRateConversion */
+BOOST_AUTO_TEST_CASE (best_dcp_frame_rate_test)
+{
+	/* Run some tests with a limited range of allowed rates */
+	
+	std::list<int> afr;
+	afr.push_back (24);
+	afr.push_back (25);
+	afr.push_back (30);
+	Config::instance()->set_allowed_dcp_frame_rates (afr);
+
+	int best = best_dcp_frame_rate (60);
+	FrameRateConversion frc = FrameRateConversion (60, best);
+	BOOST_CHECK_EQUAL (best, 30);
+	BOOST_CHECK_EQUAL (frc.skip, true);
+	BOOST_CHECK_EQUAL (frc.repeat, false);
+	BOOST_CHECK_EQUAL (frc.change_speed, false);
+	
+	best = best_dcp_frame_rate (50);
+	frc = FrameRateConversion (50, best);
+	BOOST_CHECK_EQUAL (best, 25);
+	BOOST_CHECK_EQUAL (frc.skip, true);
+	BOOST_CHECK_EQUAL (frc.repeat, false);
+	BOOST_CHECK_EQUAL (frc.change_speed, false);
+
+	best = best_dcp_frame_rate (48);
+	frc = FrameRateConversion (48, best);
+	BOOST_CHECK_EQUAL (best, 24);
+	BOOST_CHECK_EQUAL (frc.skip, true);
+	BOOST_CHECK_EQUAL (frc.repeat, false);
+	BOOST_CHECK_EQUAL (frc.change_speed, false);
+	
+	best = best_dcp_frame_rate (30);
+	frc = FrameRateConversion (30, best);
+	BOOST_CHECK_EQUAL (best, 30);
+	BOOST_CHECK_EQUAL (frc.skip, false);
+	BOOST_CHECK_EQUAL (frc.repeat, false);
+	BOOST_CHECK_EQUAL (frc.change_speed, false);
+
+	best = best_dcp_frame_rate (29.97);
+	frc = FrameRateConversion (29.97, best);
+	BOOST_CHECK_EQUAL (best, 30);
+	BOOST_CHECK_EQUAL (frc.skip, false);
+	BOOST_CHECK_EQUAL (frc.repeat, false);
+	BOOST_CHECK_EQUAL (frc.change_speed, true);
+	
+	best = best_dcp_frame_rate (25);
+	frc = FrameRateConversion (25, best);
+	BOOST_CHECK_EQUAL (best, 25);
+	BOOST_CHECK_EQUAL (frc.skip, false);
+	BOOST_CHECK_EQUAL (frc.repeat, false);
+	BOOST_CHECK_EQUAL (frc.change_speed, false);
+
+	best = best_dcp_frame_rate (24);
+	frc = FrameRateConversion (24, best);
+	BOOST_CHECK_EQUAL (best, 24);
+	BOOST_CHECK_EQUAL (frc.skip, false);
+	BOOST_CHECK_EQUAL (frc.repeat, false);
+	BOOST_CHECK_EQUAL (frc.change_speed, false);
+
+	best = best_dcp_frame_rate (14.5);
+	frc = FrameRateConversion (14.5, best);
+	BOOST_CHECK_EQUAL (best, 30);
+	BOOST_CHECK_EQUAL (frc.skip, false);
+	BOOST_CHECK_EQUAL (frc.repeat, true);
+	BOOST_CHECK_EQUAL (frc.change_speed, true);
+
+	best = best_dcp_frame_rate (12.6);
+	frc = FrameRateConversion (12.6, best);
+	BOOST_CHECK_EQUAL (best, 25);
+	BOOST_CHECK_EQUAL (frc.skip, false);
+	BOOST_CHECK_EQUAL (frc.repeat, true);
+	BOOST_CHECK_EQUAL (frc.change_speed, true);
+
+	best = best_dcp_frame_rate (12.4);
+	frc = FrameRateConversion (12.4, best);
+	BOOST_CHECK_EQUAL (best, 25);
+	BOOST_CHECK_EQUAL (frc.skip, false);
+	BOOST_CHECK_EQUAL (frc.repeat, true);
+	BOOST_CHECK_EQUAL (frc.change_speed, true);
+
+	best = best_dcp_frame_rate (12);
+	frc = FrameRateConversion (12, best);
+	BOOST_CHECK_EQUAL (best, 24);
+	BOOST_CHECK_EQUAL (frc.skip, false);
+	BOOST_CHECK_EQUAL (frc.repeat, true);
+	BOOST_CHECK_EQUAL (frc.change_speed, false);
+
+	/* Now add some more rates and see if it will use them
+	   in preference to skip/repeat.
+	*/
+
+	afr.push_back (48);
+	afr.push_back (50);
+	afr.push_back (60);
+	Config::instance()->set_allowed_dcp_frame_rates (afr);
+
+	best = best_dcp_frame_rate (60);
+	frc = FrameRateConversion (60, best);
+	BOOST_CHECK_EQUAL (best, 60);
+	BOOST_CHECK_EQUAL (frc.skip, false);
+	BOOST_CHECK_EQUAL (frc.repeat, false);
+	BOOST_CHECK_EQUAL (frc.change_speed, false);
+	
+	best = best_dcp_frame_rate (50);
+	frc = FrameRateConversion (50, best);
+	BOOST_CHECK_EQUAL (best, 50);
+	BOOST_CHECK_EQUAL (frc.skip, false);
+	BOOST_CHECK_EQUAL (frc.repeat, false);
+	BOOST_CHECK_EQUAL (frc.change_speed, false);
+
+	best = best_dcp_frame_rate (48);
+	frc = FrameRateConversion (48, best);
+	BOOST_CHECK_EQUAL (best, 48);
+	BOOST_CHECK_EQUAL (frc.skip, false);
+	BOOST_CHECK_EQUAL (frc.repeat, false);
+	BOOST_CHECK_EQUAL (frc.change_speed, false);
+
+	/* Check some out-there conversions (not the best) */
+	
+	frc = FrameRateConversion (14.99, 24);
+	BOOST_CHECK_EQUAL (frc.skip, false);
+	BOOST_CHECK_EQUAL (frc.repeat, true);
+	BOOST_CHECK_EQUAL (frc.change_speed, true);
+
+	/* Check some conversions with limited DCP targets */
+
+	afr.clear ();
+	afr.push_back (24);
+	Config::instance()->set_allowed_dcp_frame_rates (afr);
+
+	best = best_dcp_frame_rate (25);
+	frc = FrameRateConversion (25, best);
+	BOOST_CHECK_EQUAL (best, 24);
+	BOOST_CHECK_EQUAL (frc.skip, false);
+	BOOST_CHECK_EQUAL (frc.repeat, false);
+	BOOST_CHECK_EQUAL (frc.change_speed, true);
+}
+
+BOOST_AUTO_TEST_CASE (audio_sampling_rate_test)
+{
+	std::list<int> afr;
+	afr.push_back (24);
+	afr.push_back (25);
+	afr.push_back (30);
+	Config::instance()->set_allowed_dcp_frame_rates (afr);
+
+	shared_ptr<Film> f = new_test_film ("audio_sampling_rate_test");
+	f->set_source_frame_rate (24);
+	f->set_dcp_frame_rate (24);
+
+	f->set_content_audio_stream (shared_ptr<AudioStream> (new FFmpegAudioStream ("a", 42, 48000, 0)));
+	BOOST_CHECK_EQUAL (f->target_audio_sample_rate(), 48000);
+
+	f->set_content_audio_stream (shared_ptr<AudioStream> (new FFmpegAudioStream ("a", 42, 44100, 0)));
+	BOOST_CHECK_EQUAL (f->target_audio_sample_rate(), 48000);
+
+	f->set_content_audio_stream (shared_ptr<AudioStream> (new FFmpegAudioStream ("a", 42, 80000, 0)));
+	BOOST_CHECK_EQUAL (f->target_audio_sample_rate(), 96000);
+
+	f->set_source_frame_rate (23.976);
+	f->set_dcp_frame_rate (best_dcp_frame_rate (23.976));
+	f->set_content_audio_stream (shared_ptr<AudioStream> (new FFmpegAudioStream ("a", 42, 48000, 0)));
+	BOOST_CHECK_EQUAL (f->target_audio_sample_rate(), 47952);
+
+	f->set_source_frame_rate (29.97);
+	f->set_dcp_frame_rate (best_dcp_frame_rate (29.97));
+	BOOST_CHECK_EQUAL (f->dcp_frame_rate (), 30);
+	f->set_content_audio_stream (shared_ptr<AudioStream> (new FFmpegAudioStream ("a", 42, 48000, 0)));
+	BOOST_CHECK_EQUAL (f->target_audio_sample_rate(), 47952);
+
+	f->set_source_frame_rate (25);
+	f->set_dcp_frame_rate (24);
+	f->set_content_audio_stream (shared_ptr<AudioStream> (new FFmpegAudioStream ("a", 42, 48000, 0)));
+	BOOST_CHECK_EQUAL (f->target_audio_sample_rate(), 50000);
+
+	f->set_source_frame_rate (25);
+	f->set_dcp_frame_rate (24);
+	f->set_content_audio_stream (shared_ptr<AudioStream> (new FFmpegAudioStream ("a", 42, 44100, 0)));
+	BOOST_CHECK_EQUAL (f->target_audio_sample_rate(), 50000);
+
+	/* Check some out-there conversions (not the best) */
+	
+	f->set_source_frame_rate (14.99);
+	f->set_dcp_frame_rate (25);
+	f->set_content_audio_stream (shared_ptr<AudioStream> (new FFmpegAudioStream ("a", 42, 16000, 0)));
+	/* The FrameRateConversion within target_audio_sample_rate should choose to double-up
+	   the 14.99 fps video to 30 and then run it slow at 25.
+	*/
+	BOOST_CHECK_EQUAL (f->target_audio_sample_rate(), rint (48000 * 2 * 14.99 / 25));
+}
+