ClipTimeAndPitchSource.h

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/*  SPDX-License-Identifier: GPL-2.0-or-later */
/*!********************************************************************
 
  Audacity: A Digital Audio Editor
 
  ClipTimeAndPitchSource.h
 
  Matthieu Hodgkinson
 
**********************************************************************/
#pragma once
 
#include "AudioSegmentSampleView.h"
#include "PlaybackDirection.h"
#include "SampleCount.h"
#include "TimeAndPitchInterface.h"
 
#include <memory>
 
class ClipInterface;
using ChannelSampleViews = std::vector<AudioSegmentSampleView>;
 
class STRETCHING_SEQUENCE_API ClipTimeAndPitchSource final :
    public TimeAndPitchSource
{
public:
   ClipTimeAndPitchSource(
      const ClipInterface&, double durationToDiscard, PlaybackDirection);
 
   // TimeAndPitchSource
   void Pull(float* const*, size_t samplesPerChannel) override;
 
   size_t NChannels() const;
 
private:
   const ClipInterface& mClip;
   sampleCount mLastReadSample = 0;
   const PlaybackDirection mPlaybackDirection;
   ChannelSampleViews mChannelSampleViews;
};