[FFmpeg-user] black, fade in, clip, fade out, black

[Roger Pack]

> my input is uncompressed master and i would like to add, at the start:
>
> 1 or 2 frames of black, short fade-in (maybe 3-6 frames)
>
> end:
>
> short fade-out (maybe 6-10 frames), 1 or 2 frames of black

http://ffmpeg.org/libavfilter.html#Video-Filters lists what I guess
are available options.
http://ffmpeg.org/trac/ffmpeg/wiki/FilteringGuide
I'm not sure about adding black frames...
-r