annotate audioio/AudioJACKTarget.h @ 183:da514e36839a

* If, when a model is removed from a layer, it is found that the only remaining layers representing that model are ruler layers, then stop playing the model (probable fix to bug reported by Tim Crawford)
author Chris Cannam
date Wed, 23 Sep 2009 11:19:43 +0000
parents 9fc4b256c283
children
rev   line source
Chris@43 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@43 2
Chris@43 3 /*
Chris@43 4 Sonic Visualiser
Chris@43 5 An audio file viewer and annotation editor.
Chris@43 6 Centre for Digital Music, Queen Mary, University of London.
Chris@43 7 This file copyright 2006 Chris Cannam.
Chris@43 8
Chris@43 9 This program is free software; you can redistribute it and/or
Chris@43 10 modify it under the terms of the GNU General Public License as
Chris@43 11 published by the Free Software Foundation; either version 2 of the
Chris@43 12 License, or (at your option) any later version. See the file
Chris@43 13 COPYING included with this distribution for more information.
Chris@43 14 */
Chris@43 15
Chris@43 16 #ifndef _AUDIO_JACK_TARGET_H_
Chris@43 17 #define _AUDIO_JACK_TARGET_H_
Chris@43 18
Chris@43 19 #ifdef HAVE_JACK
Chris@43 20
Chris@43 21 #include <jack/jack.h>
Chris@43 22 #include <vector>
Chris@43 23
Chris@43 24 #include "AudioCallbackPlayTarget.h"
Chris@43 25
Chris@43 26 #include <QMutex>
Chris@43 27
Chris@43 28 class AudioCallbackPlaySource;
Chris@43 29
Chris@43 30 class AudioJACKTarget : public AudioCallbackPlayTarget
Chris@43 31 {
Chris@43 32 Q_OBJECT
Chris@43 33
Chris@43 34 public:
Chris@43 35 AudioJACKTarget(AudioCallbackPlaySource *source);
Chris@43 36 virtual ~AudioJACKTarget();
Chris@43 37
Chris@70 38 virtual void shutdown();
Chris@70 39
Chris@43 40 virtual bool isOK() const;
Chris@43 41
Chris@91 42 virtual double getCurrentTime() const;
Chris@91 43
Chris@43 44 public slots:
Chris@43 45 virtual void sourceModelReplaced();
Chris@43 46
Chris@43 47 protected:
Chris@43 48 int process(jack_nframes_t nframes);
Chris@43 49 int xrun();
Chris@43 50
Chris@43 51 static int processStatic(jack_nframes_t, void *);
Chris@43 52 static int xrunStatic(void *);
Chris@43 53
Chris@43 54 jack_client_t *m_client;
Chris@43 55 std::vector<jack_port_t *> m_outputs;
Chris@43 56 jack_nframes_t m_bufferSize;
Chris@43 57 jack_nframes_t m_sampleRate;
Chris@43 58 QMutex m_mutex;
Chris@70 59 bool m_done;
Chris@43 60 };
Chris@43 61
Chris@43 62 #endif /* HAVE_JACK */
Chris@43 63
Chris@43 64 #endif
Chris@43 65