TestWaveClipMaker.cpp

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/*  SPDX-License-Identifier: GPL-2.0-or-later */
/*!********************************************************************
 
  Audacity: A Digital Audio Editor
 
  TestWaveClipMaker.cpp
 
  Matthieu Hodgkinson
 
**********************************************************************/
#include "TestWaveClipMaker.h"
#include "AudioContainerHelper.h"
#include "MockSampleBlockFactory.h"
 
TestWaveClipMaker::TestWaveClipMaker(
   int sampleRate, SampleBlockFactoryPtr factory)
    : mSampleRate { sampleRate }
    , mFactory { factory }
{
}
 
WaveClipHolder TestWaveClipMaker::ClipFilledWith(
   const std::vector<std::vector<float>>& values, Operations operations) const
{
   const auto numSamples = values[0].size();
   const auto clip = std::make_shared<WaveClip>(
      values.size(), mFactory, floatSample, mSampleRate);
   // Is there any more convenient way of doing this ?
   clip->InsertSilence(0, 1. * numSamples / mSampleRate);
   for (auto i = 0u; i < values.size(); ++i)
   {
      AudioContainer audio(numSamples, 1u);
      std::copy(values[i].begin(), values[i].end(), audio.Get()[0u]);
      clip->SetSamples(
         i, AudioContainerHelper::GetData<char>(audio)[0u], floatSample, 0,
         numSamples, floatSample);
   }
   operations(*clip);
   return clip;
}
 
WaveClipHolder TestWaveClipMaker::ClipFilledWith(
   const std::vector<float>& values, size_t numChannels,
   Operations operations) const
{
   return ClipFilledWith(
      std::vector<std::vector<float>> { values }, operations);
}
 
WaveClipHolder TestWaveClipMaker::ClipFilledWith(
   float value, size_t numValues, size_t numChannels,
   Operations operations) const
{
   std::vector<float> values(numValues);
   std::fill(values.begin(), values.end(), value);
   return ClipFilledWith(values, numChannels, operations);
}