當我打開RM和RMVB格式的影片，出現無法解碼的警告語:

Snell & Wilcox MXF Mux::MXF Out

Media Type 0:
--------------------------
Unknown

AM_MEDIA_TYPE:
majortype: MEDIATYPE_Stream {E436EB83-524F-11CE-9F53-0020AF0BA770}
subtype: Unknown GUID Name {1A537913-D36B-4B22-BE06-50EBA7924A21}
formattype: FORMAT_None {0F6417D6-C318-11D0-A43F-00A0C9223196}
bFixedSizeSamples: 0
bTemporalCompression: 0
lSampleSize: 0
cbFormat: 0

打開文件後只能聽見聲音，而無影像出現
究竟該如何解決此問題，有待高人指教，實在感激不盡!