mediainfo on ubuntu to UFF

mediainfo can show UFF or BFF of a video. pretty convenient package on Linux.

Using FFmpeg to produce an interlaced mpeg2 output, from an interlaced source (i.e. DV), I have a doubt regarding the flags to use.

-ilme -top 0

does produce a valid interlaced output BFF, according to MediaInfo.

REF: http://forum.videohelp.com/threads/356455-FFmpeg-and-mpeg2-interlaced-encoding