[FFmpeg-user] Confusion about fieldmatch, decimate and framerate

[Carl Eugen Hoyos]

Nicholas Robbins <nickrobbins <at> yahoo.com> writes:

> I'm dealing with a mpeg2 video file that I think has 
> been telescened. This is my first foray into
> detelescening. If I look frame by frame, 4 frames 
> looked interlaced, then 4 look progressive.

Please provide a (long enough) sample.

Thank you, Carl Eugen