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Viewing changes to driver/alsaaudio.h

  • Committer: Bazaar Package Importer
  • Author(s): Daniel Kobras
  • Date: 2005-08-23 17:19:39 UTC
  • mto: (4.1.1 breezy) (1.1.9) (10.1.6 sid)
  • mto: This revision was merged to the branch mainline in revision 5.
  • Revision ID: james.westby@ubuntu.com-20050823171939-hd8fgzokb4dbj007
Tags: upstream-0.7.1+0.7.2pre2
Import upstream version 0.7.1+0.7.2pre2

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driver/alsaaudio.h
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//=========================================================
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//  MusE
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//  Linux Music Editor
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//    $Id: alsaaudio.h,v 1.1.1.1 2003/10/29 10:06:12 wschweer Exp $
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//  (C) Copyright 2002 Werner Schweer (ws@seh.de)
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//=========================================================
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#ifndef __ALSAAUDIO_H__
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#define __ALSAAUDIO_H__
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#include <alsa/asoundlib.h>
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#include "audiodev.h"
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#include "thread.h"
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//---------------------------------------------------------
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//   AlsaAudioDevice
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//---------------------------------------------------------
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class AlsaAudioDevice : public AudioDevice, public Thread {
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      struct AlsaPort {
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            int card, dev;
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            int flags;
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            QString name;
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            AlsaPort(int c, int d, const QString& s, int f) {
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                  card = c;
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                  dev  = d;
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                  name = s;
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                  flags = f;
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                  }
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            };
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      std::list<AlsaPort*> portList;
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      snd_pcm_t* captureHandle;
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      snd_pcm_t* playbackHandle;
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      snd_pcm_sframes_t samplesWritten;
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      int inPorts;
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      int outPorts;
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      float** readBuffer;
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      virtual void threadStart(void*);
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   public:
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      AlsaAudioDevice();
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      virtual ~AlsaAudioDevice();
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      void readCallback();
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      bool init();
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      virtual void read(int, unsigned long, float**);
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      virtual void write(int, unsigned long, float**);
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      virtual void start();
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      virtual void stop ();
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      virtual void activate(bool);
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      virtual int curPlayPos() const;
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      virtual std::list<QString> outputPorts();
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      virtual std::list<QString> inputPorts();
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      virtual void setInputPort(const QString&);
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      virtual void setOutputPort(const QString&);
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      };
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extern AlsaAudioDevice* alsaAudioDevice;
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#endif
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