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https://github.com/cookiengineer/audacity
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990080ae7d
... for functions in final classes. override is like const -- it's not necessary, but it helps the compiler to catch mistakes. There may be some overriding functions not explicitly declared virtual and I did not identify such cases, in which I might also add override.
52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
/**********************************************************************
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Audacity: A Digital Audio Editor
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SimpleMono.h
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Dominic Mazzoni
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This abstract class simplifies the implementation of a basic
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monaural effect. Inherit from it if your effect doesn't just
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modifies a track in place and doesn't care how many samples
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it gets at a time. Your derived class only needs to implement
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GetEffectName, GetEffectAction, and ProcessSimpleMono.
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**********************************************************************/
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#ifndef __AUDACITY_EFFECT_SIMPLE_MONO__
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#define __AUDACITY_EFFECT_SIMPLE_MONO__
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#include "Effect.h"
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class WaveTrack;
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class EffectSimpleMono /* not final */ : public Effect
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{
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public:
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bool Process() override;
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protected:
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// Override this method if you need to do things
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// before every track (including the first one)
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// NEW override
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virtual bool NewTrackSimpleMono() = 0;
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// Override this method to actually process audio
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virtual bool ProcessSimpleMono(float *buffer, sampleCount len) = 0;
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protected:
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// Other useful information
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int mCurTrackNum;
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double mCurRate;
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double mCurT0;
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double mCurT1;
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int mCurChannel;
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private:
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bool ProcessOne(WaveTrack * t, sampleCount start, sampleCount end);
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};
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#endif
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