[MPlayer-dev-eng] fixing mencoder

D Richard Felker III dalias at aerifal.cx
Wed Apr 10 21:46:23 CEST 2002


On Wed, Apr 10, 2002 at 09:57:35PM +0200, Arpi wrote:
> Hi,
> 
> > anyway, i guess i'll leave things as they are for now. let me know if
> > the hack i put in mencoder is ok as-is -- i just made it always add a
> > format filter converting to yv12 when the encoder is lavc or divx, and
> > force out_fmt to yv12. this seems to work fine for me.
> 
> why ppl think that -vop format is format _converter_? it is NOT.
> it just set format to exactly something, yuy2 by default.
> for example, -vop format=yuy2 will forve yuy2 to be used by the next filter,
> or libvo. usefull for cards/drivers with slow yv12, like tdfx.
> 
> for conversion, use -vop scale.
> 
> maybe i should rename filters...
> -vop format_is_not_a_format_converter and -vop
> scale_and_or_format_conversion

oops, ok, i'll fix this right away. will scale behave like nop if
input and output formats and sizes are the same? i don't want this to
slow things down...

rich





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