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/*
Copyright (C) 2012-2015 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 "types.h"
#include "dcpomatic_time.h"
#include "referenced_reel_asset.h"
#include "player_subtitles.h"
#include <dcp/picture_asset_writer.h>
#include <boost/shared_ptr.hpp>
class Film;
class Job;
class Font;
class AudioBuffers;
namespace dcp {
class MonoPictureAsset;
class MonoPictureAssetWriter;
class StereoPictureAsset;
class StereoPictureAssetWriter;
class PictureAsset;
class PictureAssetWriter;
class SoundAsset;
class SoundAssetWriter;
class SubtitleAsset;
class ReelAsset;
class Reel;
}
class ReelWriter
{
public:
ReelWriter (boost::shared_ptr<const Film> film, DCPTimePeriod period, boost::shared_ptr<Job> job);
void write (boost::optional<dcp::Data> encoded, Frame frame, Eyes eyes);
void fake_write (Frame frame, Eyes eyes, int size);
void repeat_write (Frame frame, Eyes eyes);
void write (boost::shared_ptr<const AudioBuffers> audio);
void write (PlayerSubtitles subs);
void finish ();
boost::shared_ptr<dcp::Reel> create_reel (std::list<ReferencedReelAsset> const & refs, std::list<boost::shared_ptr<Font> > const & fonts);
void calculate_digests (boost::shared_ptr<Job> job);
Frame start () const;
DCPTimePeriod period () const {
return _period;
}
int total_written_audio_frames () const {
return _total_written_audio_frames;
}
int last_written_video_frame () const {
return _last_written_video_frame;
}
Eyes last_written_eyes () const {
return _last_written_eyes;
}
int first_nonexistant_frame () const {
return _first_nonexistant_frame;
}
dcp::FrameInfo read_frame_info (FILE* file, Frame frame, Eyes eyes) const;
private:
void write_frame_info (Frame frame, Eyes eyes, dcp::FrameInfo info) const;
long frame_info_position (Frame frame, Eyes eyes) const;
void check_existing_picture_asset ();
boost::shared_ptr<const Film> _film;
DCPTimePeriod _period;
/** the first frame index that does not already exist in our MXF */
int _first_nonexistant_frame;
/** the data of the last written frame, if there is one */
boost::optional<dcp::Data> _last_written[EYES_COUNT];
/** the index of the last written video frame within the reel */
int _last_written_video_frame;
Eyes _last_written_eyes;
/** the number of audio frames that have been written to the reel */
int _total_written_audio_frames;
boost::shared_ptr<dcp::PictureAsset> _picture_asset;
boost::shared_ptr<dcp::PictureAssetWriter> _picture_asset_writer;
boost::shared_ptr<dcp::SoundAsset> _sound_asset;
boost::shared_ptr<dcp::SoundAssetWriter> _sound_asset_writer;
boost::shared_ptr<dcp::SubtitleAsset> _subtitle_asset;
static int const _info_size;
};
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