audionode.h

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
#pragma once
 
// Std includes
#include <functional>
#include <set>
 
// RTTI includes
#include <rtti/rtti.h>
 
// Audio includes
#include <audio/utility/audiotypes.h>
#include <audio/core/audiopin.h>
#include <audio/core/process.h>
 
namespace nap
{
    namespace audio
    {
 
        // Forward declarations
        class NodeManager;
 
 
        class NAPAPI Node : public Process
        {
            RTTI_ENABLE(Process)
 
            friend class InputPinBase;
            friend class InputPin;
            friend class OutputPin;
            friend class MultiInputPin;
 
        public:
            Node(NodeManager& manager);
 
            const std::set<OutputPin*>& getOutputs() const
            {
                return mOutputs;
            }
 
            const std::set<InputPinBase*>& getInputs() const { return mInputs; }
 
            /*
             * Override this method to do the actual audio processing and fill the buffers of this node's outputs with new audio data
             * Use @getOutputBuffer() to access the buffers that have to be filled.
             */
            void process() override { }
 
        protected:
            SampleBuffer& getOutputBuffer(OutputPin& output);
 
        private:
            /*
             * Used by the node manager to notify the node that the buffer size has changed.
             * @param bufferSize the new value
             */
            void setBufferSize(int bufferSize) override;
 
            std::set<OutputPin*> mOutputs; // Used internally by the node to keep track of all its outputs.
            std::set<InputPinBase*> mInputs; // Used internally by the node to keep track of all its inputs.
        };
 
 
    }
}