Re: [Mjpeg-users] Vertical stripes

[Thomas Börkel]

HI!

Steven M. Schultz wrote:

I can see light vertical stripes in bright scenes in my encoded result.

	I seem to recall transcode's -Z scaling causing problems for someone
	else in the past.   

        A (much) better way to perform scaling is to use 'y4mscaler'.  You can
        find y4mscaler at http://www.mir.com/DMG/
OK, I'll try to use another scaler.

	You also mentioned in an earlier mail item:

"If I use -q 2 or -q 3, I get pulsating (every second or so) block
artifacts in the background, which I get not with -q 4."
>
	   y4mscaler -S option=sinc:8 ...

        will perform very high quality scaling and I think the artifacts will
        disappear.
I tried without scaling and still have the artifacts. Maybe it's the 
source material.

Thanks!

Thomas





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