On Friday 25 January 2008 05:58, Kevin Bailey wrote:
> I need to convert a raw video file from 720p to 480i.
> I tried "mencoder -ofps 30000/1001 ..." like an old
> post suggested, but it produced a bogus video stream.
>
> Probably, there's more I need to do with regards to
> converting it from 16:9 to 4:3, "re-interlacing" it,
> etc. Does anyone know what the command line arguments
> for that might be ?
when interlacing progressive content, you need to halve its frame rate when
using a interlace filter. your command line could look like this, assuming
your progressive content has a 59.94 fps
-vf scale=<values>,harddup,phase=t,tinterlace=2 -fps 60000/1001 -ofps
30000/1001
>
> Thanks
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