stream-itf.h

#pragma once
#include <string>
#include <vector>
 
namespace snowboy {
    struct FrameInfo;
    struct MatrixBase;
    struct Matrix;
    struct StreamItf {
        // vtable ptr
        bool m_isConnected{false};
        StreamItf* m_connectedStream{nullptr};
 
        virtual int Read(Matrix* mat, std::vector<FrameInfo>* info) = 0;
        virtual bool Reset() = 0;
        virtual std::string Name() const = 0;
        virtual bool Connect(StreamItf* other);
        virtual bool Disconnect();
        virtual ~StreamItf();
    };
} // namespace snowboy