AudioGraphTask.h

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/**********************************************************************
 
  Audacity: A Digital Audio Editor
 
  @file AudioGraphTask.h
 
  Dominic Mazzoni
  Vaughan Johnson
 
  Paul Licameli split from PerTrackEffect.h
 
**********************************************************************/
 
#ifndef __AUDACITY_AUDIO_GRAPH_TASK__
#define __AUDACITY_AUDIO_GRAPH_TASK__
 
namespace AudioGraph {
 
class Buffers;
class Sink;
class Source;
 
struct AUDIO_GRAPH_API Task {
public:
   Task(Source &source, Buffers &buffers, Sink &sink);
   enum class Status { More, Done, Fail };
   Status RunOnce();
 
   bool RunLoop();
private:
   Source &mSource;
   Buffers &mBuffers;
   Sink &mSink;
 
#ifndef NDEBUG
   bool mRanOnce{ false };
#endif
};
 
}
#endif