[MEncoder-users] RGB => YV12 conversion

[Julien Lancien]

Hi all.

I'm trying to encode a movie in mpeg4, using lavc. I'ld like to
convert it to  YV12. What ever I do, it never seems to work.

Typically I tried:

mencoder -oac copy -ovc lavc -lavcopts vbitrate=1000 input.avi -o
output.avi -vf format=yv12,scale

mencoder -oac copy -ovc lavc -lavcopts vbitrate=1000 input.avi -o
output.avi -vf format=yv12,scale=640:-11

mencoder -oac copy -ovc lavc -lavcopts format=yv12:vbitrate=1000
input.avi -o output.avi -vf format=yv12,scale

Whatever I do, when I play output.avi with mplayer, I got:

VIDEO:  [FMP4]  640x320  24bpp  29.970 fps  737.7 kbps (90.0 kbyte/s)

The documentation says that lavc can encode in yv12.

What am I doing wrong ?

Thanks for help.