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/***************************************************************************
ArtsSampleSink_impl.h - adapter for converting from aRts to Kwave
-------------------
begin : Nov 13 2001
copyright : (C) 2001 by Thomas Eschenbacher
email : Thomas Eschenbacher <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 _ARTS_SAMPLE_SINK_H_
#define _ARTS_SAMPLE_SINK_H_
#include "config.h"
#include <arts/artsflow.h>
#include <arts/stdsynthmodule.h>
#include "libkwave/SampleWriter.h"
#include "libkwave/ArtsSampleSink.h"
//***************************************************************************
class ArtsSampleSink_impl
:virtual public ArtsSampleSink_skel,
virtual public Arts::StdSynthModule
{
public:
/** Default constructor. Should never be used */
ArtsSampleSink_impl();
/** Destructor */
virtual ~ArtsSampleSink_impl() {};
/**
* Constructor.
* @param writer a SampleWriter to receive the aRts output
*/
ArtsSampleSink_impl(SampleWriter *writer);
/**
* Receiver and data processing function.
* @see aRts/MCOP documentation
*/
void calculateBlock(unsigned long samples);
/*
* This is the most tricky part here - since we will run in a context
* where no audio hardware will play the "give me more data role",
* we'll have to request things ourselves (requireFlow() tells the
* flowsystem that more signal flow should happen, so that
* calculateBlock will get called
*/
void goOn();
/** Signals that the end of the write buffer has been reached (eof) */
bool done();
protected:
/** receiver for the converted aRts sample stream */
SampleWriter *m_writer;
/** true if end of stream reached */
bool m_done;
};
#endif /* _ARTS_SAMPLE_SINK_H_ */