AppleAudio.h

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#pragma once
#if defined(__APPLE__)
#include "HephAudioShared.h"
#include "NativeAudio.h"
#include "AudioEvents/AudioDeviceEventArgs.h"
#include "AudioEvents/AudioCaptureEventArgs.h"
#include <CoreAudio/CoreAudio.h>
 
namespace HephAudio
{
    namespace Native
    {
        class HEPH_API AppleAudio final : public NativeAudio
        {
        public:
            using NativeAudio::InitializeRender;
            using NativeAudio::InitializeCapture;
 
        private:
            AudioDeviceIOProcID renderProcID;
            AudioDeviceIOProcID captureProcID;
 
        public:
            AppleAudio();
 
            AppleAudio(const AppleAudio&) = delete;
            AppleAudio& operator=(const AppleAudio&) = delete;
 
            ~AppleAudio();
 
            void SetMasterVolume(double volume) override;
            double GetMasterVolume() const override;
            void InitializeRender(AudioDevice* device, AudioFormatInfo format) override;
            void StopRendering() override;
            void InitializeCapture(AudioDevice* device, AudioFormatInfo format) override;
            void StopCapturing() override;
            void GetNativeParams(NativeAudioParams& nativeParams) const override;
            void SetNativeParams(const NativeAudioParams& nativeParams) override;
            
        private:
            bool EnumerateAudioDevices() override;
            void ToStreamDesc(const AudioFormatInfo& format, AudioStreamBasicDescription& streamDesc) const;
            void FromStreamDesc(AudioFormatInfo& format, const AudioStreamBasicDescription& streamDesc) const;
            static OSStatus RenderCallback(AudioDeviceID device, const AudioTimeStamp* now, const AudioBufferList* indata, const AudioTimeStamp* intime, AudioBufferList* outdata, const AudioTimeStamp* outtime, void* udata);
            static OSStatus CaptureCallback(AudioDeviceID device, const AudioTimeStamp* now, const AudioBufferList* indata, const AudioTimeStamp* intime, AudioBufferList* outdata, const AudioTimeStamp* outtime, void* udata);
        };
    }
}
#endif