[MPlayer-users] How do I avoid YV12 <-> BGR 16 bit conversion on playback

D Richard Felker III dalias at aerifal.cx
Fri Apr 2 02:34:15 CEST 2004

On Thu, Apr 01, 2004 at 05:12:20PM -0500, cmisip wrote:
> I get this output on playback.
> VDec: vo config request - 320 x 240 (preferred csp: Planar YV12)
> Could not find matching colorspace - retrying with -vf scale...
> Opening video filter: [scale]
> VDec: using Planar YV12 as output csp (no 0)
> Movie-Aspect is 1.33:1 - prescaling to correct movie aspect.
> No accelerated colorspace conversion found
> SwScaler: using unscaled Planar YV12 -> BGR 16-bit special converter
> VO: [fbdev] 320x240 => 320x240 BGR 16-bit
> I am playing the video in a zaurus 5600 so I dont have much cpu cycles
> to spare.  I read that doing software scaling realtime is a big cpu
> hit.  I was wondering If I need special encode parameters to prepare the
> video so that this colorspace conversion is not needed on playback.  

No, there are no useful codecs that encode in RGB space because it's
inefficient. Maybe -dr would make it faster?


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