OSAudio.h

#ifndef HL_OS_AUDIO_H
#define HL_OS_AUDIO_H

// System
#include <atomic>
#include <cstdlib>
#include <thread>
#include <vector>

#include "Device.h"
#include "HulaRingBuffer.h"

namespace hula
{
    class OSAudio {
        private:
            void joinAndKillThreads(std::vector<std::thread> &threads);

        protected:

            OSAudio()
            {
                this->activeInputDevice = NULL;
                this->activeOutputDevice = NULL;
            };

            Device *activeInputDevice;

            Device *activeOutputDevice;

            std::vector<HulaRingBuffer *> rbs;

            std::vector<std::thread> inThreads;

            std::vector<std::thread> outThreads;

            std::atomic<bool> endCapture;

            uint32_t captureBufferSize;

        public:
            virtual ~OSAudio() = 0;

            void setBufferSize(uint32_t size);

            void addBuffer(HulaRingBuffer *rb);
            void removeBuffer(HulaRingBuffer *rb);
            void copyToBuffers(const void *data, uint32_t bytes);

            virtual std::vector<Device *> getDevices(DeviceType type) = 0;

            virtual void capture() = 0;
            static void backgroundCapture(OSAudio *_this);

            virtual bool checkRates(Device *device) = 0;

            void setActiveInputDevice(Device *device);
            void setActiveOutputDevice(Device *device);
    };
}

#endif // END HL_OS_AUDIO_H