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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.
*/
/** @file src/processor.h
* @brief Parent class for classes which accept and then emit video or audio data.
*/
#ifndef DVDOMATIC_PROCESSOR_H
#define DVDOMATIC_PROCESSOR_H
#include "video_source.h"
#include "video_sink.h"
#include "audio_source.h"
#include "audio_sink.h"
class Log;
/** @class Processor
* @brief Base class for processors.
*/
class Processor
{
public:
/** Construct a Processor.
* @param log Log to use.
*/
Processor (Log* log)
: _log (log)
{}
virtual ~Processor() {}
/** Will be called at the end of a processing run */
virtual void process_end () {}
protected:
Log* _log; ///< log to write to
};
/** @class AudioVideoProcessor
* @brief A processor which handles both video and audio data.
*/
class AudioVideoProcessor : public Processor, public VideoSource, public VideoSink, public AudioSource, public AudioSink
{
public:
/** Construct an AudioVideoProcessor.
* @param log Log to write to.
*/
AudioVideoProcessor (Log* log)
: Processor (log)
{}
};
/** @class AudioProcessor
* @brief A processor which handles just audio data.
*/
class AudioProcessor : public Processor, public AudioSource, public AudioSink
{
public:
/** Construct an AudioProcessor.
* @param log Log to write to.
*/
AudioProcessor (Log* log)
: Processor (log)
{}
};
/** @class VideoProcessor
* @brief A processor which handles just video data.
*/
class VideoProcessor : public Processor, public VideoSource, public VideoSink
{
public:
/** Construct an VideoProcessor.
* @param log Log to write to.
*/
VideoProcessor (Log* log)
: Processor (log)
{}
};
#endif
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