[MEncoder-users] Trying to fully understand de-interlacing.

[Andy Furniss]

James Hastings-Trew wrote:

> Seems to be a problem with your source file, but the FPS is being
> reported wrong by mplayer and mencoder. VLC shows (and displays the
> file) at it's correct frame rate. In your command line you have "-fps
> 30000/1001" but the frame rate is actually 60000/1001.

For me using todays mplayer with no options shows

FPS seems to be: 29.970030 and if I framestep I need to press "." twice 
for each frame.

mplayer -demuxer lavf shows

VIDEO:  [H264]  1920x1080  0bpp  59.940 fps    0.0 kbps ( 0.0 kbyte/s)

and framestep works normally.

I can't tell whether it would try and play double speed as my old PC 
can't even play this at 30fps.

mediainfo shows 29.970 fps