Method createBufferFromRange

src/core/AudioBus.cpp:174–199

}

std::unique_ptr<AudioBus> AudioBus::createBufferFromRange(const AudioBus * sourceBuffer, int startFrame, int endFrame)
{
    int numberOfSourceFrames = sourceBuffer->length();
    int numberOfChannels = sourceBuffer->numberOfChannels();

    // Sanity checking
    bool isRangeSafe = startFrame < endFrame && endFrame <= numberOfSourceFrames;
    ASSERT(isRangeSafe);

    if (!isRangeSafe)
    {
        return nullptr;
    }

    int rangeLength = endFrame - startFrame;

    std::unique_ptr<AudioBus> audioBus(new AudioBus(numberOfChannels, rangeLength));
    audioBus->setSampleRate(sourceBuffer->sampleRate());

    for (int i = 0; i < numberOfChannels; ++i)
    {
        audioBus->channel(i)->copyFromRange(sourceBuffer->channel(i), startFrame, endFrame);
    }

    return audioBus;
}

std::unique_ptr<AudioBus> AudioBus::createByCloning(const AudioBus * sourceBus)
{