MockPlayableSequence.h

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/*  SPDX-License-Identifier: GPL-2.0-or-later */
/*!********************************************************************
 
  Audacity: A Digital Audio Editor
 
  MockPlayableSequence.h
 
  Matthieu Hodgkinson
 
**********************************************************************/
#pragma once
 
#include "AudioIOSequences.h"
 
class MockPlayableSequence final : public PlayableSequence
{
public:
   MockPlayableSequence(int sampleRate, size_t numChannels)
       : sampleRate(sampleRate)
       , numChannels(numChannels)
   {
   }
 
   // WideSampleSequence
   bool DoGet(
      size_t iChannel, size_t nBuffers, const samplePtr buffers[],
      sampleFormat format, sampleCount start, size_t len, bool backwards,
      fillFormat fill = FillFormat::fillZero, bool mayThrow = true,
      sampleCount* pNumWithinClips = nullptr) const override
   {
      return true;
   }
 
   size_t NChannels() const override
   {
      return numChannels;
   }
 
   float GetChannelVolume(int channel) const override
   {
      return 1.f;
   }
 
   double GetStartTime() const override
   {
      return 0.;
   }
 
   double GetEndTime() const override
   {
      return 0.;
   }
 
   double GetRate() const override
   {
      return sampleRate;
   }
 
   sampleFormat WidestEffectiveFormat() const override
   {
      return floatSample;
   }
 
   bool HasTrivialEnvelope() const override
   {
      return true;
   }
 
   void GetEnvelopeValues(
      double* buffer, size_t bufferLen, double t0,
      bool backwards) const override
   {
   }
 
   // AudioGraph::Channel
   AudioGraph::ChannelType GetChannelType() const override
   {
      return AudioGraph::MonoChannel;
   }
 
   // PlayableSequence
   const ChannelGroup *FindChannelGroup() const override
   {
      return nullptr;
   }
 
   bool GetSolo() const override
   {
      return false;
   }
 
   bool GetMute() const override
   {
      return false;
   }
 
   const int sampleRate;
   const size_t numChannels;
};