TimeAndPitchRealSource Class Reference

#include <TimeAndPitchRealSource.h>

Inheritance diagram for TimeAndPitchRealSource:

Collaboration diagram for TimeAndPitchRealSource:

Public Member Functions
	TimeAndPitchRealSource (const std::vector< std::vector< float > > &input)
void	Pull (float *const *buffer, size_t samplesPerChannel) override
Public Member Functions inherited from TimeAndPitchSource
virtual	~TimeAndPitchSource ()
virtual void	Pull (float *const *, size_t samplesPerChannel)=0

Private Attributes
const std::vector< std::vector< float > > &	mInput
unsigned long long	mNumPulledFrames = 0u

Detailed Description

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Audacity: A Digital Audio Editor

TimeAndPitchRealSource.cpp

Matthieu Hodgkinson

Definition at line 17 of file TimeAndPitchRealSource.h.

Constructor & Destructor Documentation

TimeAndPitchRealSource()

TimeAndPitchRealSource::TimeAndPitchRealSource ( const std::vector< std::vector< float > > &  input )

inline

Definition at line 20 of file TimeAndPitchRealSource.h.

       : mInput(input)
   {
   }

Member Function Documentation

Pull()

void TimeAndPitchRealSource::Pull ( float *const *  buffer, size_t  samplesPerChannel  )

inlineoverridevirtual

Implements TimeAndPitchSource.

Definition at line 25 of file TimeAndPitchRealSource.h.

   {
      const auto numFrames = mInput[0].size();
      const auto remainingSamples =
         numFrames > mNumPulledFrames ? numFrames - mNumPulledFrames : 0u;
      const size_t framesToRead = std::min(
         remainingSamples,
         static_cast<decltype(remainingSamples)>(samplesPerChannel));
      const auto numZerosToPad = samplesPerChannel - framesToRead;
      for (auto i = 0u; i < mInput.size(); ++i)
      {
         const auto in = mInput[i].data() + mNumPulledFrames;
         std::copy(in, in + framesToRead, buffer[i]);
         std::fill(
            buffer[i] + framesToRead, buffer[i] + framesToRead + numZerosToPad,
            0.f);
      }
      mNumPulledFrames += framesToRead;
   }

References staffpad::vo::copy(), min(), mInput, and mNumPulledFrames.

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Member Data Documentation

mInput

const std::vector<std::vector<float> >& TimeAndPitchRealSource::mInput

private

Definition at line 46 of file TimeAndPitchRealSource.h.

Referenced by Pull().

mNumPulledFrames

unsigned long long TimeAndPitchRealSource::mNumPulledFrames = 0u

private

Definition at line 47 of file TimeAndPitchRealSource.h.

Referenced by Pull().

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The documentation for this class was generated from the following file:

• TimeAndPitchRealSource.h