DECLARE_INTERFACE_(ID3D11VideoDecoder, IUnknown)
{
    // 省略了其他继承的成员

    virtual HRESULT STDMETHODCALLTYPE GetCreationParameters(
        /* [annotation] */
        _Out_  D3D11_VIDEO_DECODER_DESC *pVideoDesc,
        /* [annotation] */
        _Out_  D3D11_VIDEO_DECODER_CONFIG *pConfig) = 0;

    virtual HRESULT STDMETHODCALLTYPE GetDriverHandle(
        /* [annotation] */
        _Out_  HANDLE *pDriverHandle) = 0;

    virtual HRESULT STDMETHODCALLTYPE GetBuffer(
        /* [annotation] */
        _In_  D3D11_VIDEO_DECODER_BUFFER_TYPE Type,
        /* [annotation] */
        _Out_  UINT *pBufferSize,
        /* [annotation] */
        _Outptr_result_bytebuffer_(*pBufferSize)  void **ppBuffer) = 0;

    virtual HRESULT STDMETHODCALLTYPE ReleaseBuffer(
        /* [annotation] */
        _In_  D3D11_VIDEO_DECODER_BUFFER_TYPE Type) = 0;

    virtual HRESULT STDMETHODCALLTYPE BeginFrame(
        /* [annotation] */
        _In_  ID3D11VideoDecoderOutputView *pView,
        /* [annotation] */
        _In_  ID3D11VideoDecoder *pDecoder,
        /* [annotation] */
        _In_  UINT ContentKeySize,
        /* [annotation] */
        _In_reads_opt_(ContentKeySize)  const void *pContentKey) = 0;

    // 更多方法...

    virtual HRESULT STDMETHODCALLTYPE EndFrame(
        /* [annotation] */
        _In_  ID3D11VideoDecoder *pDecoder,
        /* [annotation] */
        _In_  BOOL isTargetLocked,
        /* [annotation] */
        _Out_opt_  HANDLE *pDriverHandle) = 0;

    // 更多方法...
};