Chris@43: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@43: 
Chris@43: /*
Chris@43:     Sonic Visualiser
Chris@43:     An audio file viewer and annotation editor.
Chris@43:     Centre for Digital Music, Queen Mary, University of London.
Chris@43:     This file copyright 2006 Chris Cannam.
Chris@43:     
Chris@43:     This program is free software; you can redistribute it and/or
Chris@43:     modify it under the terms of the GNU General Public License as
Chris@43:     published by the Free Software Foundation; either version 2 of the
Chris@43:     License, or (at your option) any later version.  See the file
Chris@43:     COPYING included with this distribution for more information.
Chris@43: */
Chris@43: 
Chris@43: #ifndef _AUDIO_JACK_TARGET_H_
Chris@43: #define _AUDIO_JACK_TARGET_H_
Chris@43: 
Chris@43: #ifdef HAVE_JACK
Chris@43: 
Chris@43: #include <jack/jack.h>
Chris@43: #include <vector>
Chris@43: 
Chris@43: #include "AudioCallbackPlayTarget.h"
Chris@43: 
Chris@43: #include <QMutex>
Chris@43: 
Chris@43: class AudioCallbackPlaySource;
Chris@43: 
Chris@43: class AudioJACKTarget : public AudioCallbackPlayTarget
Chris@43: {
Chris@43:     Q_OBJECT
Chris@43: 
Chris@43: public:
Chris@43:     AudioJACKTarget(AudioCallbackPlaySource *source);
Chris@43:     virtual ~AudioJACKTarget();
Chris@43: 
Chris@70:     virtual void shutdown();
Chris@70: 
Chris@43:     virtual bool isOK() const;
Chris@43: 
Chris@91:     virtual double getCurrentTime() const;
Chris@91: 
Chris@43: public slots:
Chris@43:     virtual void sourceModelReplaced();
Chris@43: 
Chris@43: protected:
Chris@43:     int process(jack_nframes_t nframes);
Chris@43:     int xrun();
Chris@43: 
Chris@43:     static int processStatic(jack_nframes_t, void *);
Chris@43:     static int xrunStatic(void *);
Chris@43: 
Chris@43:     jack_client_t              *m_client;
Chris@43:     std::vector<jack_port_t *>  m_outputs;
Chris@43:     jack_nframes_t              m_bufferSize;
Chris@43:     jack_nframes_t              m_sampleRate;
Chris@43:     QMutex                      m_mutex;
Chris@70:     bool                        m_done;
Chris@43: };
Chris@43: 
Chris@43: #endif /* HAVE_JACK */
Chris@43: 
Chris@43: #endif
Chris@43: