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

[Michael Niedermayer]

On Sun, Mar 23, 2008 at 10:04:46AM -0500, Compn wrote:
> On Sun, 23 Mar 2008 10:10:35 +0100, Haakon Riiser wrote:
> 
> >> 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
> 
> oops, i copied/pasted this backwards.
> ijpg uses rgb24 as default output
> ffmjpeg uses yuv444p
> 
> this is specified in the codecs.conf as well as the codec file itself

The problem with these brightness issues is that mplayer does not keep track
of the YUV type and jpeg uses a different one than everyone else. (this is
somewhat oversimplified but its the main thing)

ijpg works because it outputs RGB
*->jpeg conversation works most of the time as long as you use something
    ffmpeg based to view your jpegs
ffmjpeg->anything fails unless some bugs cancel each other out IIRC

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Complexity theory is the science of finding the exact solution to an
approximation. Benchmarking OTOH is finding an approximation of the exact
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