MxstBufferOutput

struct MxstBufferOutput {
    APP_ERROR errorCode = APP_ERR_OK;
    std::string errorMsg;
    int dataSize = 0;
    uint32_t *dataPtr = nullptr;
    void *reservedPtr = nullptr;
    MxTools::MxpiFrameInfo mxpiFrameInfo;
    MxstBufferOutput() = default;
    explicit MxstBufferOutput(APP_ERROR errorCode, const std::string& errorMsg = "")
        : errorCode(errorCode), errorMsg(std::move(errorMsg)) {}
    MxstBufferOutput(const MxstBufferOutput&) = delete;
    MxstBufferOutput& operator=(const MxstBufferOutput&) = delete;
    void SetErrorInfo(APP_ERROR errorCodeIn, const std::string& errorMsgIn)
    {
        errorCode = errorCodeIn;
        errorMsg = errorMsgIn;
    }
    ~MxstBufferOutput()
    {
        if (dataPtr != nullptr) {
            free(dataPtr);
            dataPtr = nullptr;
        }
    }
};