Mercurial > hg > sonic-visualiser
annotate audioio/AudioJACKTarget.h @ 178:3e5a32a2acf4
* Ensure transformed version of a model is the same duration as the original
model (don't end it when the input data runs out, as was previously done,
because this will result in too short a model when latency compensation is
used)
author | Chris Cannam |
---|---|
date | Wed, 05 Sep 2007 15:18:15 +0000 |
parents | fbd7a497fd89 |
children |
rev | line source |
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Chris@0 | 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ |
Chris@0 | 2 |
Chris@0 | 3 /* |
Chris@0 | 4 Sonic Visualiser |
Chris@0 | 5 An audio file viewer and annotation editor. |
Chris@0 | 6 Centre for Digital Music, Queen Mary, University of London. |
Chris@0 | 7 This file copyright 2006 Chris Cannam. |
Chris@0 | 8 |
Chris@0 | 9 This program is free software; you can redistribute it and/or |
Chris@0 | 10 modify it under the terms of the GNU General Public License as |
Chris@0 | 11 published by the Free Software Foundation; either version 2 of the |
Chris@0 | 12 License, or (at your option) any later version. See the file |
Chris@0 | 13 COPYING included with this distribution for more information. |
Chris@0 | 14 */ |
Chris@0 | 15 |
Chris@0 | 16 #ifndef _AUDIO_JACK_TARGET_H_ |
Chris@0 | 17 #define _AUDIO_JACK_TARGET_H_ |
Chris@0 | 18 |
Chris@0 | 19 #ifdef HAVE_JACK |
Chris@0 | 20 |
Chris@0 | 21 #include <jack/jack.h> |
Chris@0 | 22 #include <vector> |
Chris@0 | 23 |
Chris@0 | 24 #include "AudioCallbackPlayTarget.h" |
Chris@0 | 25 |
Chris@0 | 26 #include <QMutex> |
Chris@0 | 27 |
Chris@0 | 28 class AudioCallbackPlaySource; |
Chris@0 | 29 |
Chris@0 | 30 class AudioJACKTarget : public AudioCallbackPlayTarget |
Chris@0 | 31 { |
Chris@0 | 32 Q_OBJECT |
Chris@0 | 33 |
Chris@0 | 34 public: |
Chris@0 | 35 AudioJACKTarget(AudioCallbackPlaySource *source); |
Chris@0 | 36 virtual ~AudioJACKTarget(); |
Chris@0 | 37 |
Chris@0 | 38 virtual bool isOK() const; |
Chris@0 | 39 |
Chris@0 | 40 public slots: |
Chris@0 | 41 virtual void sourceModelReplaced(); |
Chris@0 | 42 |
Chris@0 | 43 protected: |
Chris@0 | 44 int process(jack_nframes_t nframes); |
Chris@41 | 45 int xrun(); |
Chris@0 | 46 |
Chris@0 | 47 static int processStatic(jack_nframes_t, void *); |
Chris@41 | 48 static int xrunStatic(void *); |
Chris@0 | 49 |
Chris@0 | 50 jack_client_t *m_client; |
Chris@0 | 51 std::vector<jack_port_t *> m_outputs; |
Chris@0 | 52 jack_nframes_t m_bufferSize; |
Chris@0 | 53 jack_nframes_t m_sampleRate; |
Chris@0 | 54 QMutex m_mutex; |
Chris@0 | 55 }; |
Chris@0 | 56 |
Chris@0 | 57 #endif /* HAVE_JACK */ |
Chris@0 | 58 |
Chris@0 | 59 #endif |
Chris@0 | 60 |