2 Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 /** @file test/ffmpeg_pts_offset_test.cc
21 * @brief Check the computation of _pts_offset in FFmpegDecoder.
24 #include <boost/test/unit_test.hpp>
26 #include "lib/ffmpeg_decoder.h"
27 #include "lib/ffmpeg_content.h"
28 #include "lib/ffmpeg_audio_stream.h"
31 using boost::shared_ptr;
33 BOOST_AUTO_TEST_CASE (ffmpeg_pts_offset_test)
35 shared_ptr<Film> film = new_test_film ("ffmpeg_pts_offset_test");
36 shared_ptr<FFmpegContent> content (new FFmpegContent (film, "test/data/test.mp4"));
37 content->_audio_streams.push_back (shared_ptr<FFmpegAudioStream> (new FFmpegAudioStream));
38 content->_video_frame_rate = 24;
41 /* Sound == video so no offset required */
42 content->_first_video = ContentTime ();
43 content->_audio_streams.front()->first_audio = ContentTime ();
44 FFmpegDecoder decoder (content, film->log());
45 BOOST_CHECK_EQUAL (decoder._pts_offset, ContentTime ());
49 /* Common offset should be removed */
50 content->_first_video = ContentTime::from_seconds (600);
51 content->_audio_streams.front()->first_audio = ContentTime::from_seconds (600);
52 FFmpegDecoder decoder (content, film->log());
53 BOOST_CHECK_EQUAL (decoder._pts_offset, ContentTime::from_seconds (-600));
57 /* Video is on a frame boundary */
58 content->_first_video = ContentTime::from_frames (1, 24);
59 content->_audio_streams.front()->first_audio = ContentTime ();
60 FFmpegDecoder decoder (content, film->log());
61 BOOST_CHECK_EQUAL (decoder._pts_offset, ContentTime ());
65 /* Video is off a frame boundary */
66 double const frame = 1.0 / 24.0;
67 content->_first_video = ContentTime::from_seconds (frame + 0.0215);
68 content->_audio_streams.front()->first_audio = ContentTime ();
69 FFmpegDecoder decoder (content, film->log());
70 BOOST_CHECK_CLOSE (decoder._pts_offset.seconds(), (frame - 0.0215), 0.00001);
74 /* Video is off a frame boundary and both have a common offset */
75 double const frame = 1.0 / 24.0;
76 content->_first_video = ContentTime::from_seconds (frame + 0.0215 + 4.1);
77 content->_audio_streams.front()->first_audio = ContentTime::from_seconds (4.1);
78 FFmpegDecoder decoder (content, film->log());
79 BOOST_CHECK_CLOSE (decoder._pts_offset.seconds(), (frame - 0.0215) - 4.1, 0.1);