processing_function()

void MayaFlux::Buffers::MixProcessor::processing_function ( const std::shared_ptr< Buffer > &  buffer )

overridevirtual

the mechanism to mix output from one buffer to another channel

Implements MayaFlux::Buffers::BufferProcessor.

Definition at line 53 of file MixProcessor.cpp.

{
    if (m_sources.empty()) {
        return;
    }
 
    if (auto root_buffer = std::dynamic_pointer_cast<RootAudioBuffer>(buffer)) {
        validate_sources();
 
        auto& data = root_buffer->get_data();
        const bool normalize = root_buffer->is_mix_normalized();
 
        for (uint32_t i = 0; i < data.size(); i++) {
            for (const auto& source : m_sources) {
                if (source.has_sample_at(i)) {
                    data[i] += source.get_mixed_sample(i);
                }
            }
 
            if (normalize) {
                data[i] /= (double)m_sources.size();
            }
        }
 
        cleanup();
    }
}

References buffer, cleanup(), m_sources, and validate_sources().

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