annotate audioio/AudioPortAudioTarget.h @ 35:06787742542a

* Add a bit of resistance to pane dragging so as to make it harder to inadvertently drag in the other axis from the one you intended
author Chris Cannam
date Fri, 22 Sep 2006 16:46:10 +0000
parents cd5d7ff8ef38
children 52409ab73526
rev   line source
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_PORT_AUDIO_TARGET_H_
Chris@0 17 #define _AUDIO_PORT_AUDIO_TARGET_H_
Chris@0 18
Chris@0 19 #ifdef HAVE_PORTAUDIO
Chris@0 20
Chris@0 21 #include <portaudio.h>
Chris@0 22 #include <vector>
Chris@0 23
Chris@0 24 #include "AudioCallbackPlayTarget.h"
Chris@0 25
Chris@0 26 class AudioCallbackPlaySource;
Chris@0 27
Chris@0 28 class AudioPortAudioTarget : public AudioCallbackPlayTarget
Chris@0 29 {
Chris@0 30 Q_OBJECT
Chris@0 31
Chris@0 32 public:
Chris@0 33 AudioPortAudioTarget(AudioCallbackPlaySource *source);
Chris@0 34 virtual ~AudioPortAudioTarget();
Chris@0 35
Chris@0 36 virtual bool isOK() const;
Chris@0 37
Chris@0 38 public slots:
Chris@0 39 virtual void sourceModelReplaced();
Chris@0 40
Chris@0 41 protected:
Chris@0 42 int process(void *input, void *output, unsigned long frames,
Chris@0 43 PaTimestamp outTime);
Chris@0 44
Chris@0 45 static int processStatic(void *, void *, unsigned long,
Chris@0 46 PaTimestamp, void *);
Chris@0 47
Chris@0 48 PortAudioStream *m_stream;
Chris@0 49
Chris@0 50 int m_bufferSize;
Chris@0 51 int m_sampleRate;
Chris@0 52 int m_latency;
Chris@0 53 };
Chris@0 54
Chris@0 55 #endif /* HAVE_PORTAUDIO */
Chris@0 56
Chris@0 57 #endif
Chris@0 58