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/**********************************************************************
Audacity: A Digital Audio Editor
AudioIO.h
Dominic Mazzoni
Use the SND library to play and record sound
**********************************************************************/
#ifndef __AUDACITY_AUDIO_IO__
#define __AUDACITY_AUDIO_IO__
#include "snd/snd.h"
#include <wx/string.h>
#include <wx/timer.h>
#include "WaveTrack.h"
class AudioIO;
class AudacityProject;
extern AudioIO *gAudioIO;
void InitAudioIO();
class AudioIOTimer:public wxTimer {
public:
virtual void Notify();
};
class AudioIO {
public:
AudioIO();
~AudioIO();
bool StartPlay(AudacityProject * project,
TrackList * tracks, double t0, double t1);
bool StartRecord(AudacityProject * project, TrackList * tracks);
void OnTimer();
void Stop();
void HardStop();
bool IsBusy();
bool IsPlaying();
bool IsRecording();
AudacityProject *GetProject();
double GetIndicator();
private:
void Finish();
bool OpenPlaybackDevice(AudacityProject * project);
AudacityProject *mProject;
TrackList *mTracks;
double mT;
double mRecT;
double mT0;
double mT1;
int mTicks;
bool mStop;
bool mHardStop;
snd_node mPlayNode;
snd_node mRecordNode;
bool mRecordStereo;
bool mDuplex; // play and record at same time
bool mRecording;
WaveTrack *mRecordLeft;
WaveTrack *mRecordRight;
AudioIOTimer mTimer;
wxStopWatch mStopWatch;
#ifdef __WXMAC__
int mStartTicks;
#endif
};
#endif
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