//
// libtgvoip is free and unencumbered public domain software.
// For more information, see http://unlicense.org or the UNLICENSE file
// you should have received with this source code distribution.
//

#ifndef LIBTGVOIP_AUDIOINPUTAUDIOUNIT_OSX_H
#define LIBTGVOIP_AUDIOINPUTAUDIOUNIT_OSX_H

#include "../../audio/AudioInput.h"
#import <AudioToolbox/AudioToolbox.h>
#include <AudioUnit/AudioUnit.h>
#import <CoreAudio/CoreAudio.h>

namespace tgvoip
{
namespace audio
{
    class AudioInputAudioUnitLegacy : public AudioInput
    {

    public:
        AudioInputAudioUnitLegacy(std::string deviceID);
        virtual ~AudioInputAudioUnitLegacy();
        virtual void Start();
        virtual void Stop();
        void HandleBufferCallback(AudioBufferList* ioData);
        static void EnumerateDevices(std::vector<AudioInputDevice>& devs);
        virtual void SetCurrentDevice(std::string deviceID);

    private:
        static OSStatus BufferCallback(void* inRefCon, AudioUnitRenderActionFlags* ioActionFlags, const AudioTimeStamp* inTimeStamp, UInt32 inBusNumber, UInt32 inNumberFrames, AudioBufferList* ioData);
        static OSStatus DefaultDeviceChangedCallback(AudioObjectID inObjectID, UInt32 inNumberAddresses, const AudioObjectPropertyAddress* inAddresses, void* inClientData);
        std::uint8_t remainingData[10240];
        std::size_t remainingDataSize;
        bool isRecording;
        AudioUnit unit;
        AudioBufferList inBufferList;
        int hardwareSampleRate;
    };
}
}

#endif //LIBTGVOIP_AUDIOINPUTAUDIOUNIT_OSX_H