42 lines
1.1 KiB
C++
42 lines
1.1 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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AudioIOListener.h
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Dominic Mazzoni
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Use the PortAudio library to play and record sound
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**********************************************************************/
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#ifndef __AUDACITY_AUDIO_IO_LISTENER__
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#define __AUDACITY_AUDIO_IO_LISTENER__
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#include "Audacity.h"
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class AutoSaveFile;
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class AUDACITY_DLL_API AudioIOListener /* not final */ {
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public:
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AudioIOListener() {}
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virtual ~AudioIOListener() {}
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// Pass 0 when audio stops, positive when it starts:
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virtual void OnAudioIORate(int rate) = 0;
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virtual void OnAudioIOStartRecording() = 0;
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virtual void OnAudioIOStopRecording() = 0;
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virtual void OnAudioIONewBlockFiles(const AutoSaveFile & blockFileLog) = 0;
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// Commit the addition of temporary recording tracks into the project
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virtual void OnCommitRecording() = 0;
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// During recording, the threshold for sound activation has been crossed
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// in either direction
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virtual void OnSoundActivationThreshold() = 0;
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};
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#endif
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