hart_silence.hpp

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#pragma once
 
#include <memory>
#include <string>
 
#include "signals/hart_signal.hpp"
#include "hart_utils.hpp"                  // HART_DEFINE_GENERIC_REPRESENT()
 
namespace hart
{
 
/// @brief Produces silence (zeros)
/// @ingroup Signals
template<typename SampleType>
class Silence:
    public Signal<SampleType>
{
public:
    bool supportsNumChannels (size_t /* numChannels */) const override { return true; };
 
    void prepare (double /* sampleRateHz */, size_t /* numOutputChannels */, size_t /* maxBlockSizeFrames */) override
    {
    }
 
    void renderNextBlock (AudioBuffer<SampleType>& output) override
    {
        for (size_t channel = 0; channel < output.getNumChannels(); ++channel)
            for (size_t frame = 0; frame < output.getNumFrames(); ++frame)
                output[channel][frame] = (SampleType) 0;
    }
 
    void reset() override {}
 
    HART_DEFINE_GENERIC_REPRESENT (Silence);
    HART_SIGNAL_DEFINE_COPY_AND_MOVE (Silence);
};
 
HART_SIGNAL_DECLARE_ALIASES_FOR (Silence)
 
}  // namespace hart