DecimatingMirAudioReader.h

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/*  SPDX-License-Identifier: GPL-2.0-or-later */
/*!********************************************************************
 
  Audacity: A Digital Audio Editor
 
  DecimatingMirAudioReader.h
 
  Matthieu Hodgkinson
 
**********************************************************************/
#pragma once
 
#include "MirTypes.h"
 
#include <vector>
 
namespace MIR
{
class DecimatingMirAudioReader : public MirAudioReader
{
public:
   explicit DecimatingMirAudioReader(const MirAudioReader& reader);
 
   double GetSampleRate() const override;
   long long GetNumSamples() const override;
   void
   ReadFloats(float* buffer, long long start, size_t numFrames) const override;
 
private:
   const MirAudioReader& mReader;
   const int mDecimationFactor;
   mutable std::vector<float> mBuffer;
};
} // namespace MIR