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

[Boštjan Strojan]

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

how?

thanks,

b.