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_JACK_TARGET_H_
Chris@0: #define _AUDIO_JACK_TARGET_H_
Chris@0: 
Chris@0: #ifdef HAVE_JACK
Chris@0: 
Chris@0: #include <jack/jack.h>
Chris@0: #include <vector>
Chris@0: 
Chris@0: #include "AudioCallbackPlayTarget.h"
Chris@0: 
Chris@0: #include <QMutex>
Chris@0: 
Chris@0: class AudioCallbackPlaySource;
Chris@0: 
Chris@0: class AudioJACKTarget : public AudioCallbackPlayTarget
Chris@0: {
Chris@0:     Q_OBJECT
Chris@0: 
Chris@0: public:
Chris@0:     AudioJACKTarget(AudioCallbackPlaySource *source);
Chris@0:     virtual ~AudioJACKTarget();
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(jack_nframes_t nframes);
Chris@0: 
Chris@0:     static int processStatic(jack_nframes_t, void *);
Chris@0: 
Chris@0:     jack_client_t              *m_client;
Chris@0:     std::vector<jack_port_t *>  m_outputs;
Chris@0:     jack_nframes_t              m_bufferSize;
Chris@0:     jack_nframes_t              m_sampleRate;
Chris@0:     QMutex                      m_mutex;
Chris@0: };
Chris@0: 
Chris@0: #endif /* HAVE_JACK */
Chris@0: 
Chris@0: #endif
Chris@0: