AudioGraphAsset.hpp

#pragma once
#include "AudioTypes.hpp"
#include "DataStructures.hpp"
 
namespace RavEngine{
 
struct AudioFilterLayer {
    virtual void process(const PlanarSampleBufferInlineView&, PlanarSampleBufferInlineView&) = 0;
};
 
struct AudioGainFilterLayer : public AudioFilterLayer {
    float gain = 1;
    void process(const PlanarSampleBufferInlineView& in, PlanarSampleBufferInlineView& out) final {
        for (int c = 0; c < in.GetNChannels(); c++) {
            auto channel = in[c];
#pragma omp simd
            for (int i = 0; i < channel.size(); i++) {
                out[c][i] = channel[i] * gain;
            }
        }
    }
    AudioGainFilterLayer() {}
    AudioGainFilterLayer(float gain) : gain(gain) {}
};
 
class AudioGraphAsset{
   
    uint8_t nchannels = 0;
    
public:
 
    LinkedList<std::shared_ptr<AudioFilterLayer>> filters;
 
    AudioGraphAsset(uint8_t nchannels);
    
    void Render(PlanarSampleBufferInlineView& inout, PlanarSampleBufferInlineView& scratchBuffer, uint8_t nchannels);
    
};
 
}