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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.
*/
#ifndef DCPOMATIC_AUDIO_DECODER_STREAM_H
#define DCPOMATIC_AUDIO_DECODER_STREAM_H
#include "audio_stream.h"
#include "content_audio.h"
#include "dcpomatic_time.h"
#include <boost/shared_ptr.hpp>
class AudioContent;
class AudioDecoder;
class Resampler;
class AudioDecoderStream
{
public:
AudioDecoderStream (boost::shared_ptr<const AudioContent>, AudioStreamPtr, AudioDecoder* decoder);
ContentAudio get (Frame time, Frame length, bool accurate);
void audio (boost::shared_ptr<const AudioBuffers>, ContentTime);
void flush ();
void seek (ContentTime time, bool accurate);
private:
void reset_decoded ();
void add (boost::shared_ptr<const AudioBuffers>);
boost::shared_ptr<const AudioContent> _content;
AudioStreamPtr _stream;
AudioDecoder* _decoder;
boost::shared_ptr<Resampler> _resampler;
boost::optional<Frame> _position;
/** Currently-available decoded audio data */
ContentAudio _decoded;
/** The time of an accurate seek after which we have not yet received any actual
data at the seek time.
*/
boost::optional<ContentTime> _seek_reference;
};
#endif
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