Method processBlockInternal

Plugin/Source/PluginProcessor.cpp:621–828

template <typename T>
void PluginProcessor::processBlockInternal(AudioBuffer<T>& buffer, MidiBuffer& midiMessages) {
    traceScope();

    auto traceCtx = TimeTrace::createTraceContext();
    m_processingDurationGlobal.reset();
    m_processingDurationLocal.reset();

    traceln("  proc: m_bypassWhenNotConnected=" << (int)m_bypassWhenNotConnected.load()
                                                << ", clientOk=" << (int)m_client->isReadyLockFree()
                                                << ", pluginsOk=" << (int)m_loadedPluginsOk);

    if (m_bypassWhenNotConnected &&
        (!m_client->isReadyLockFree() || !m_loadedPluginsOk || getNumOfLoadedPlugins() == 0)) {
        processBlockBypassed(buffer, midiMessages);
        return;
    }

    traceCtx->add("pb_bypass_chk");

    ScopedNoDenormals noDenormals;
    auto totalNumInputChannels = getTotalNumInputChannels();
    auto totalNumOutputChannels = getTotalNumOutputChannels();

    if (totalNumInputChannels > buffer.getNumChannels()) {
        logln("error in processBlock: buffer has less channels than main input channels");
        totalNumInputChannels = buffer.getNumChannels();
    }
    if (totalNumOutputChannels > buffer.getNumChannels()) {
        logln("error in processBlock: buffer has less channels than main output channels");
        totalNumOutputChannels = buffer.getNumChannels();
    }

    AudioPlayHead::PositionInfo posInfo;

    if (auto* phead = getPlayHead()) {
        if (auto optPosInfo = phead->getPosition()) {
            posInfo = *optPosInfo;
        }
    }

    // buffer to be send
    int sendBufChannels = m_activeChannels.getNumActiveChannelsCombined();
    AudioBuffer<T>* sendBuffer;
    std::unique_ptr<AudioBuffer<T>> tmpBuffer;

    if (sendBufChannels != buffer.getNumChannels()) {
        tmpBuffer = std::make_unique<AudioBuffer<T>>(sendBufChannels, buffer.getNumSamples());
        sendBuffer = tmpBuffer.get();
    } else {
        sendBuffer = &buffer;
    }

    auto transferMode = getTransferMode();
    bool transfer = transferMode == TM_ALWAYS;
    transfer |= transferMode == TM_WHEN_PLAYING && (posInfo.getIsPlaying() || posInfo.getIsRecording());

#if JucePlugin_IsSynth || JucePlugin_IsMidiEffect
    buffer.clear();