Method process

src/core/DynamicsCompressorNode.cpp:58–96

}

void DynamicsCompressorNode::process(ContextRenderLock &r, int bufferSize)
{
    /// @fixme these values should be per sample, not per quantum
    /// -or- they should be settings if they don't vary per sample
    float threshold = m_threshold->value();
    float knee = m_knee->value();
    float ratio = m_ratio->value();
    float attack = m_attack->value();
    float release = m_release->value();

    m_dynamicsCompressor->setParameterValue(DynamicsCompressor::ParamThreshold, threshold);
    m_dynamicsCompressor->setParameterValue(DynamicsCompressor::ParamKnee, knee);
    m_dynamicsCompressor->setParameterValue(DynamicsCompressor::ParamRatio, ratio);
    m_dynamicsCompressor->setParameterValue(DynamicsCompressor::ParamAttack, attack);
    m_dynamicsCompressor->setParameterValue(DynamicsCompressor::ParamRelease, release);

    int numberOfSourceChannels = input(0)->numberOfChannels(r);
    int numberOfActiveBusChannels = input(0)->bus(r)->numberOfChannels();
    if (numberOfActiveBusChannels != numberOfSourceChannels)
    {
        checkNumberOfChannelsForInput(r, input(0).get());
    }

    int numberOfDestChannels = output(0)->numberOfChannels();
    if (numberOfDestChannels != numberOfActiveBusChannels)
    {
        output(0)->setNumberOfChannels(r, numberOfActiveBusChannels);
        output(0)->updateRenderingState(r);
        numberOfDestChannels = output(0)->numberOfChannels();
    }

    AudioBus* outputBus = output(0)->bus(r);
    ASSERT(outputBus && outputBus->numberOfChannels() == numberOfDestChannels);

    m_dynamicsCompressor->process(r, input(0)->bus(r), outputBus, bufferSize, _scheduler._renderOffset, _scheduler._renderLength);

    float reduction = m_dynamicsCompressor->parameterValue(DynamicsCompressor::ParamReduction);
    m_reduction->setValue(reduction);
}

void DynamicsCompressorNode::reset(ContextRenderLock &)
{