[MEncoder-users] Colorspace Conversion

[Tobias Brockamp]

Am 11.09.2007 um 03:55 schrieb RC:

> On Tue, 11 Sep 2007 03:40:02 +0200
> Tobias Brockamp <tobiasbrockamp at gmx.de> wrote:
>
>> ok i now have uploaded the input raw file:
>>
>> http://rapidshare.com/files/54809204/color_raw.avi
>
> I can certainly see the purple tint mplayer gives the video.
>
> Most likely because of a bug, the conversion directly from bgr24 to  
> any
> of the yuv formats causes that color error.  I've tested on  
> versions as
> far back as 1.0pre7, and they demonstrate the same bug, so it's
> certainly long-standing.
>
> You can convert it properly in two steps, however.  Converting from
> bgr24 to rgb24, then to yuv works.  Just start your filter chain with:
>     -vf scale,format=rgb24,scale,format=yv12,

great this works, but the encoding is 2 times slower than with vdub.
do you think it's a good idea to send this bug to the mplayer team?

>
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