Method process

src/extended/PWMNode.cpp:41–66

Processes the source to destination bus.

    // Processes the source to destination bus.
    virtual void process(ContextRenderLock &,
                         const lab::AudioBus * source, lab::AudioBus * destination,
                         int framesToProcess) override
    {
        if (!source->numberOfChannels() || !destination->numberOfChannels())
            return;
            
        const float * carrierP = source->channelByType(Channel::Left)->data();
        const float * modP = source->channelByType(Channel::Right)->data();

        if (!modP && carrierP)
        {
            destination->copyFrom(*source);
        }
        else if (modP && carrierP)
        {
            float * destP = destination->channel(0)->mutableData();
            int n = framesToProcess;
            while (n--)
            {
                float carrier = *carrierP++;
                float mod = *modP++;
                *destP++ = (carrier > mod) ? 1.0f : -1.0f;
            }
        }
    }

    virtual void reset() override {}