_project_audio_i_o_8h_source.html

/**********************************************************************


Audacity: A Digital Audio Editor


ProjectAudioIO.h


Paul Licameli split from AudacityProject.h


**********************************************************************/


#ifndef __PROJECT_AUDIO_IO__

#define __PROJECT_AUDIO_IO__


#include "ClientData.h" // to inherit

#include <wx/weakref.h>


#include <memory>

class AudacityProject;

class Meter;


class AUDACITY_DLL_API ProjectAudioIO final

   : public ClientData::Base

{

public:

   static ProjectAudioIO &Get( AudacityProject &project );

   static const ProjectAudioIO &Get( const AudacityProject &project );


   explicit ProjectAudioIO( AudacityProject &project );

   ProjectAudioIO( const ProjectAudioIO & ) PROHIBITED;

   ProjectAudioIO &operator=( const ProjectAudioIO & ) PROHIBITED;

   ~ProjectAudioIO();


   int GetAudioIOToken() const;

   bool IsAudioActive() const;

   void SetAudioIOToken(int token);


   const std::shared_ptr<Meter> &GetPlaybackMeter() const;

   void SetPlaybackMeter(

      const std::shared_ptr<Meter> &playback);

   const std::shared_ptr<Meter> &GetCaptureMeter() const;

   void SetCaptureMeter(

      const std::shared_ptr<Meter> &capture);


private:

   AudacityProject &mProject;


   // Project owned meters

   std::shared_ptr<Meter> mPlaybackMeter;

   std::shared_ptr<Meter> mCaptureMeter;


   int  mAudioIOToken{ -1 };

};


#endif