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"
29 #include "lib/audio_content.h"
32 using boost::shared_ptr;
34 BOOST_AUTO_TEST_CASE (ffmpeg_pts_offset_test)
36 shared_ptr<Film> film = new_test_film ("ffmpeg_pts_offset_test");
37 shared_ptr<FFmpegContent> content (new FFmpegContent (film, "test/data/test.mp4"));
38 film->examine_and_add_content (content);
41 content->audio.reset (new AudioContent (content.get()));
42 content->audio->add_stream (shared_ptr<FFmpegAudioStream> (new FFmpegAudioStream));
43 content->_video_frame_rate = 24;
46 /* Sound == video so no offset required */
47 content->_first_video = ContentTime ();
48 content->ffmpeg_audio_streams().front()->first_audio = ContentTime ();
49 FFmpegDecoder decoder (content, film->log(), false);
50 BOOST_CHECK_EQUAL (decoder._pts_offset, ContentTime ());
54 /* Common offset should be removed */
55 content->_first_video = ContentTime::from_seconds (600);
56 content->ffmpeg_audio_streams().front()->first_audio = ContentTime::from_seconds (600);
57 FFmpegDecoder decoder (content, film->log(), false);
58 BOOST_CHECK_EQUAL (decoder._pts_offset, ContentTime::from_seconds (-600));
62 /* Video is on a frame boundary */
63 content->_first_video = ContentTime::from_frames (1, 24);
64 content->ffmpeg_audio_streams().front()->first_audio = ContentTime ();
65 FFmpegDecoder decoder (content, film->log(), false);
66 BOOST_CHECK_EQUAL (decoder._pts_offset, ContentTime ());
70 /* Video is off a frame boundary */
71 double const frame = 1.0 / 24.0;
72 content->_first_video = ContentTime::from_seconds (frame + 0.0215);
73 content->ffmpeg_audio_streams().front()->first_audio = ContentTime ();
74 FFmpegDecoder decoder (content, film->log(), false);
75 BOOST_CHECK_CLOSE (decoder._pts_offset.seconds(), (frame - 0.0215), 0.00001);
79 /* Video is off a frame boundary and both have a common offset */
80 double const frame = 1.0 / 24.0;
81 content->_first_video = ContentTime::from_seconds (frame + 0.0215 + 4.1);
82 content->ffmpeg_audio_streams().front()->first_audio = ContentTime::from_seconds (4.1);
83 FFmpegDecoder decoder (content, film->log(), false);
84 BOOST_CHECK_CLOSE (decoder._pts_offset.seconds(), (frame - 0.0215) - 4.1, 0.1);