Opus.hpp

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#pragma once
 
#include <cstdint>
#include <opus/opus.h>
#include <mutex>
#include "ICodec.hpp"
 
namespace Babel {
    class Opus : public ICodec {
    public:
        Opus(); 
        ~Opus() override; 
 
        int encode(const std::int16_t *pcm, unsigned char *data) override;
 
        int encode(const float *pcm, unsigned char *data) override;
 
        int decode(const unsigned char *data, std::int16_t *pcm, std::int32_t dataSize) override;
 
        int decode(const unsigned char *data, float *pcm) override;
 
        [[nodiscard]] std::int32_t getBitrate() const override;
 
        void setBitrate(std::int32_t bitrate) override;
 
        [[nodiscard]] int getChannel() const override;
 
        void setChannel(int channel) override;
 
        [[nodiscard]] int getApplication() const override;
 
        void setApplication(int application) override;
 
        [[nodiscard]] int getFrameSize() const override;
 
        void setFrameSize(int frameSize) override;
 
        [[nodiscard]] bool isEncoderInitialized() const;
 
        [[nodiscard]] bool isDecoderInitialized() const;
 
    private:
        OpusEncoder *_encoder; 
        bool _encoderIsInitialized; 
        bool _decoderIsInitialized; 
        OpusDecoder *_decoder; 
        opus_int32 _bitrate; 
        int _channel; 
        int _application; 
        int _frameSize; 
        std::int32_t _dataSize; 
        std::mutex _mutex; 
    };
}