Le Thu, 22 Jan 2004 10:21:41 -0800 (PST) "Steven M. Schultz" <[EMAIL PROTECTED]> écrivait :
Hello Steven, [...] > "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." > > I wonder if those artifacts are also due to the scaling. > > y4mscaler works on YUV4MPEG2 streams which I believe transcode > can create. If you can find a way to get "Y4M" output (without > scaling) from transcode you can use y4mscaler - something like > this > > y4mscaler -S option=sinc:8 ... > > will perform very high quality scaling and I think the artifacts > will disappear. The sinc* kernels are very bad at removing noise. IMHO, the cubic* kernels are better for this job... Cheers, Nicolas ------------------------------------------------------- The SF.Net email is sponsored by EclipseCon 2004 Premiere Conference on Open Tools Development and Integration See the breadth of Eclipse activity. February 3-5 in Anaheim, CA. http://www.eclipsecon.org/osdn _______________________________________________ Mjpeg-users mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/mjpeg-users
