How to locate a frame in MXF file?该如何解决

How to locate a frame in MXF file?IwanttolocateacertainframeintheMXFfile,anysuggestions?Thanks.[解

How to locate a frame in MXF file?
I   want   to   locate   a   certain   frame   in   the   MXF   file,   any   suggestions?
Thanks.

[解决办法]
what is the MXF file?