AudioSegmentFactory.h

Go to the documentation of this file.

/*  SPDX-License-Identifier: GPL-2.0-or-later */
/*!********************************************************************
 
  Audacity: A Digital Audio Editor
 
  AudioSegmentFactory.h
 
  Matthieu Hodgkinson
 
**********************************************************************/
 
#pragma once
 
#include "AudioSegmentFactoryInterface.h"
#include "ClipInterface.h"
#include "TimeAndPitchInterface.h"
 
#include <memory>
 
class ClipInterface;
using ClipConstHolders = std::vector<std::shared_ptr<const ClipInterface>>;
 
class STRETCHING_SEQUENCE_API AudioSegmentFactory final :
    public AudioSegmentFactoryInterface
{
public:
   AudioSegmentFactory(int sampleRate, int numChannels, ClipConstHolders clips);
 
   std::vector<std::shared_ptr<AudioSegment>> CreateAudioSegmentSequence(
      double playbackStartTime, PlaybackDirection) override;
 
private:
   std::vector<std::shared_ptr<AudioSegment>>
   CreateAudioSegmentSequenceForward(double playbackStartTime);
 
   std::vector<std::shared_ptr<AudioSegment>>
   CreateAudioSegmentSequenceBackward(double playbackStartTime);
 
private:
   const ClipConstHolders mClips;
   const int mSampleRate;
   const int mNumChannels;
};