Chris@0: /* -*- c-basic-offset: 4 -*-  vi:set ts=8 sts=4 sw=4: */
Chris@0: 
Chris@0: /*
Chris@0:     A waveform viewer and audio annotation editor.
Chris@0:     Chris Cannam, Queen Mary University of London, 2005
Chris@0:     
Chris@0:     This is experimental software.  Not for distribution.
Chris@0: */
Chris@0: 
Chris@0: #ifndef _AUDIO_PORT_AUDIO_TARGET_H_
Chris@0: #define _AUDIO_PORT_AUDIO_TARGET_H_
Chris@0: 
Chris@0: #ifdef HAVE_PORTAUDIO
Chris@0: 
Chris@0: #include <portaudio.h>
Chris@0: #include <vector>
Chris@0: 
Chris@0: #include "AudioCallbackPlayTarget.h"
Chris@0: 
Chris@0: class AudioCallbackPlaySource;
Chris@0: 
Chris@0: class AudioPortAudioTarget : public AudioCallbackPlayTarget
Chris@0: {
Chris@0:     Q_OBJECT
Chris@0: 
Chris@0: public:
Chris@0:     AudioPortAudioTarget(AudioCallbackPlaySource *source);
Chris@0:     virtual ~AudioPortAudioTarget();
Chris@0: 
Chris@0:     virtual bool isOK() const;
Chris@0: 
Chris@0: public slots:
Chris@0:     virtual void sourceModelReplaced();
Chris@0: 
Chris@0: protected:
Chris@0:     int process(void *input, void *output, unsigned long frames,
Chris@0: 		PaTimestamp outTime);
Chris@0: 
Chris@0:     static int processStatic(void *, void *, unsigned long,
Chris@0: 			     PaTimestamp, void *);
Chris@0: 
Chris@0:     PortAudioStream *m_stream;
Chris@0: 
Chris@0:     int m_bufferSize;
Chris@0:     int m_sampleRate;
Chris@0:     int m_latency;
Chris@0: };
Chris@0: 
Chris@0: #endif /* HAVE_PORTAUDIO */
Chris@0: 
Chris@0: #endif
Chris@0: