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/***************************************************************************
MultiPlaybackSink.h - multi-track Kwave playback sink
-------------------
begin : Sun Nov 04 2007
copyright : (C) 2007 by Thomas Eschenbacher
email : Thomas.Eschenbacher@gmx.de
***************************************************************************/
/***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifndef MULTI_PLAYBACK_SINK_H
#define MULTI_PLAYBACK_SINK_H
#include "config.h"
#include "libkwave_export.h"
#include <QtGlobal>
#include <QBitArray>
#include <QMutex>
#include <QVector>
#include "libkwave/MultiTrackSink.h"
#include "libkwave/PlayBackDevice.h"
#include "libkwave/PlaybackSink.h"
#include "libkwave/SampleArray.h"
namespace Kwave
{
class LIBKWAVE_EXPORT MultiPlaybackSink
:public Kwave::MultiTrackSink<Kwave::PlaybackSink, false>
{
Q_OBJECT
public:
/**
* Constructor
* @param tracks number of tracks for playback
* @param device a PlayBackDevice
*/
MultiPlaybackSink(unsigned int tracks, Kwave::PlayBackDevice *device);
/** Destructor */
virtual ~MultiPlaybackSink() override;
private slots:
/**
* receives data from one of the tracks
* @param track index of the track [0...tracks-1]
* @param data sample data for the given track
*/
void input(unsigned int track, Kwave::SampleArray data);
private:
/** number of tracks */
unsigned int m_tracks;
/** device used for playback */
Kwave::PlayBackDevice *m_device;
/** list of input buffers */
QVector< Kwave::SampleArray > m_in_buffer;
/** "filled"-flags for input buffers */
QBitArray m_in_buffer_filled;
/** output buffer for all samples */
Kwave::SampleArray m_out_buffer;
/** mutex for locking against reentrance */
QMutex m_lock;
};
}
#endif /* MULTI_PLAYBACK_SINK_H */
//***************************************************************************
//***************************************************************************
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