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/*
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.
*/
#include <boost/optional.hpp>
#include "processor.h"
class Matcher : public Processor, public TimedAudioSink, public TimedVideoSink, public AudioSource, public VideoSource
{
public:
Matcher (boost::shared_ptr<Log> log, int sample_rate, float frames_per_second);
void process_video (boost::shared_ptr<const Image> i, bool, boost::shared_ptr<Subtitle> s, double);
void process_audio (boost::shared_ptr<const AudioBuffers>, double);
void process_end ();
private:
void fix_start (double);
void match (double);
void repeat_last_video ();
int _sample_rate;
float _frames_per_second;
int _video_frames;
int64_t _audio_frames;
boost::optional<AVPixelFormat> _pixel_format;
boost::optional<libdcp::Size> _size;
boost::optional<int> _channels;
struct AudioRecord {
AudioRecord (boost::shared_ptr<const AudioBuffers> a, double t)
: audio (a)
, time (t)
{}
boost::shared_ptr<const AudioBuffers> audio;
double time;
};
std::list<AudioRecord> _pending_audio;
boost::optional<double> _first_input;
boost::shared_ptr<const Image> _last_image;
boost::shared_ptr<Subtitle> _last_subtitle;
bool _had_first_video;
bool _had_first_audio;
};
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