40     virtual ErrorCode PrepareFilters()  in PrepareFilters()
42         return ErrorCode::SUCCESS;  in PrepareFilters()
45     virtual ErrorCode DoSetSource(const std::shared_ptr<MediaSource>& source)  in DoSetSource()
48         return ErrorCode::SUCCESS;  in DoSetSource()
51     virtual ErrorCode DoPlay()  in DoPlay()
53         return ErrorCode::SUCCESS;  in DoPlay()
56     virtual ErrorCode DoPause()  in DoPause()
58         return ErrorCode::SUCCESS;  in DoPause()
61     virtual ErrorCode DoResume()  in DoResume()
63         return ErrorCode::SUCCESS;  in DoResume()
66     virtual ErrorCode DoStop()  in DoStop()
68         return ErrorCode::SUCCESS;  in DoStop()
71     virtual ErrorCode DoReset()  in DoReset()
73         return ErrorCode::SUCCESS;  in DoReset()
76     virtual ErrorCode DoSeek(int64_t hstTime, Plugin::SeekMode mode, bool appTriggered)  in DoSeek()
81         return ErrorCode::SUCCESS;  in DoSeek()
84     virtual ErrorCode DoOnReady()  in DoOnReady()
86         return ErrorCode::SUCCESS;  in DoOnReady()
89     virtual ErrorCode DoOnComplete()  in DoOnComplete()
91         return ErrorCode::SUCCESS;  in DoOnComplete()
94     virtual ErrorCode DoOnError(ErrorCode errorCode)  in DoOnError()
97         return ErrorCode::SUCCESS;  in DoOnError()