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/*
Copyright (C) 2013 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.
*/
#include <boost/test/unit_test.hpp>
#include "lib/film.h"
#include "lib/ffmpeg_decoder.h"
#include "lib/ffmpeg_content.h"
#include "test.h"
using boost::shared_ptr;
BOOST_AUTO_TEST_CASE (ffmpeg_pts_offset_test)
{
shared_ptr<Film> film = new_test_film ("ffmpeg_pts_offset_test");
shared_ptr<FFmpegContent> content (new FFmpegContent (film, "test/data/test.mp4"));
content->_audio_stream.reset (new FFmpegAudioStream);
content->_video_frame_rate = 24;
{
/* Sound == video so no offset required */
content->_first_video = 0;
content->_audio_stream->first_audio = 0;
FFmpegDecoder decoder (film, content, true, true);
BOOST_CHECK_EQUAL (decoder._video_pts_offset, 0);
BOOST_CHECK_EQUAL (decoder._audio_pts_offset, 0);
}
{
/* Common offset should be removed */
content->_first_video = 600;
content->_audio_stream->first_audio = 600;
FFmpegDecoder decoder (film, content, true, true);
BOOST_CHECK_EQUAL (decoder._video_pts_offset, -600);
BOOST_CHECK_EQUAL (decoder._audio_pts_offset, -600);
}
{
/* Video is on a frame boundary */
content->_first_video = 1.0 / 24.0;
content->_audio_stream->first_audio = 0;
FFmpegDecoder decoder (film, content, true, true);
BOOST_CHECK_EQUAL (decoder._video_pts_offset, 0);
BOOST_CHECK_EQUAL (decoder._audio_pts_offset, 0);
}
{
/* Video is off a frame boundary */
double const frame = 1.0 / 24.0;
content->_first_video = frame + 0.0215;
content->_audio_stream->first_audio = 0;
FFmpegDecoder decoder (film, content, true, true);
BOOST_CHECK_CLOSE (decoder._video_pts_offset, (frame - 0.0215), 0.00001);
BOOST_CHECK_CLOSE (decoder._audio_pts_offset, (frame - 0.0215), 0.00001);
}
{
/* Video is off a frame boundary and both have a common offset */
double const frame = 1.0 / 24.0;
content->_first_video = frame + 0.0215 + 4.1;
content->_audio_stream->first_audio = 4.1;
FFmpegDecoder decoder (film, content, true, true);
BOOST_CHECK_EQUAL (decoder._video_pts_offset, (frame - 0.0215) - 4.1);
BOOST_CHECK_EQUAL (decoder._audio_pts_offset, (frame - 0.0215) - 4.1);
}
}
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