[MPlayer-dev-eng] Darkening of picture on most mplayer outputs

Compn tempn at twmi.rr.com
Sun Mar 23 00:53:28 CET 2008


On Sat, 22 Mar 2008 17:49:57 +0100, Haakon Riiser wrote:

>> So it appears that there's a problem in the interaction
>> between mplayer and ffmpeg then?  This problem is not limited
>> to mf://*.jpg, by the way.  I've seen it happen with many other
>> ffmpeg codecs, such as ffh263.
>
>One question regarding this:  If the problem is tied to ffmpeg
>(which I could confirm by using -vc ijpg, as you said), how can it
>be that the brightness is not affected when the ffmpeg codecs are
>used together with -vo yuv4mpeg ?
>

the only thing i can think of, is that its a swscale problem

ijpg > video = [swscaler @ 0096C510]SwScaler: BICUBIC scaler, from
yuv444p to yuv420p using MMX2

ffmjpeg > video = [swscaler @ 0096C510]SwScaler: BICUBIC scaler, from
rgb24 to yuv420p using MMX2

ffmjpeg > yuv4mpeg = [swscaler @ 0096C510]SwScaler: BICUBIC scaler,
from yuv444p to yuv420p using MMX2

-vo yuv4mpeg is also dark for me. strange...

-compn



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