[FFmpeg-user] BISS KEY

[spider58]

Hello.

I have some .TS video files which recorded from UDP. This files encoded by
BISS KEY. I can play this files with VLC with BISS KEY option.

ffmpeg -i "c:\somefile.ts"

this comment giving error message below

Could not find codec parameters for stream 0 (video
.............................. Unspecified size
Could not find codec parameters for stream 1
(audio.............................. Unspecified size

because of BISS key.

How can i define BISS Key to ffmpeg as parameter

Inadvance Thanks.