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https://github.com/cookiengineer/audacity
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2d6db518fa
... This stops a crash that might occur when the checkpoint thread causes ProjectAudioManager::Stop() to execute but the project is in the process of closing.
54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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ProjectAudioIO.h
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Paul Licameli split from AudacityProject.h
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**********************************************************************/
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#ifndef __PROJECT_AUDIO_IO__
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#define __PROJECT_AUDIO_IO__
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#include "ClientData.h" // to inherit
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#include <wx/weakref.h>
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class AudacityProject;
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class MeterPanelBase;
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///\ brief Holds per-project state needed for interaction with AudioIO,
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/// including the audio stream token and pointers to meters
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class ProjectAudioIO final
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: public ClientData::Base
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{
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public:
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static ProjectAudioIO &Get( AudacityProject &project );
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static const ProjectAudioIO &Get( const AudacityProject &project );
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explicit ProjectAudioIO( AudacityProject &project );
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ProjectAudioIO( const ProjectAudioIO & ) PROHIBITED;
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ProjectAudioIO &operator=( const ProjectAudioIO & ) PROHIBITED;
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~ProjectAudioIO();
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int GetAudioIOToken() const;
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bool IsAudioActive() const;
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void SetAudioIOToken(int token);
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MeterPanelBase *GetPlaybackMeter();
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void SetPlaybackMeter(MeterPanelBase *playback);
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MeterPanelBase *GetCaptureMeter();
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void SetCaptureMeter(MeterPanelBase *capture);
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private:
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AudacityProject &mProject;
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// Project owned meters
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wxWeakRef<MeterPanelBase> mPlaybackMeter{};
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wxWeakRef<MeterPanelBase> mCaptureMeter{};
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int mAudioIOToken{ -1 };
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};
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#endif
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