DACSound16S.hh

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// This class implements a 16 bit signed DAC
 
#ifndef DACSOUND16S_HH
#define DACSOUND16S_HH
 
#include "SoundDevice.hh"
#include "BlipBuffer.hh"
#include <cstdint>
 
namespace openmsx {
 
class DACSound16S : public SoundDevice
{
public:
        DACSound16S(std::string_view name, static_string_view desc,
                    const DeviceConfig& config);
        virtual ~DACSound16S();
 
        void reset(EmuTime::param time);
        void writeDAC(int16_t value, EmuTime::param time);
 
        template<typename Archive>
        void serialize(Archive& ar, unsigned version);
 
private:
        // SoundDevice
        void setOutputRate(unsigned hostSampleRate, double speed) override;
        void generateChannels(std::span<float*> bufs, unsigned num) override;
        bool updateBuffer(size_t length, float* buffer,
                          EmuTime::param time) override;
 
private:
        BlipBuffer blip;
        int16_t lastWrittenValue = 0;
};
 
} // namespace openmsx
 
#endif