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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 <list>
#include <boost/shared_ptr.hpp>
#include <boost/thread.hpp>
#include <boost/thread/condition.hpp>
class Film;
class EncodedData;
class AudioBuffers;
namespace libdcp {
class MonoPictureAsset;
class MonoPictureAssetWriter;
class SoundAsset;
class SoundAssetWriter;
}
struct QueueItem
{
public:
enum Type {
FULL,
FAKE,
REPEAT
} type;
/** encoded data for FULL */
boost::shared_ptr<const EncodedData> encoded;
/** size of data for FAKE */
int size;
/** frame index */
int frame;
};
bool operator< (QueueItem const & a, QueueItem const & b);
bool operator== (QueueItem const & a, QueueItem const & b);
class Writer
{
public:
Writer (boost::shared_ptr<Film>);
bool can_fake_write (int) const;
void write (boost::shared_ptr<const EncodedData>, int);
void fake_write (int);
void write (boost::shared_ptr<const AudioBuffers>);
void repeat (int f);
void finish ();
private:
void thread ();
void check_existing_picture_mxf ();
boost::shared_ptr<Film> _film;
int _first_nonexistant_frame;
boost::thread* _thread;
bool _finish;
std::list<QueueItem> _queue;
int _queued_full_in_memory;
mutable boost::mutex _mutex;
boost::condition _condition;
boost::shared_ptr<const EncodedData> _last_written;
int _last_written_frame;
static const int _maximum_frames_in_memory;
boost::shared_ptr<libdcp::MonoPictureAsset> _picture_asset;
boost::shared_ptr<libdcp::MonoPictureAssetWriter> _picture_asset_writer;
boost::shared_ptr<libdcp::SoundAsset> _sound_asset;
boost::shared_ptr<libdcp::SoundAssetWriter> _sound_asset_writer;
};
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