hi there, cpu usage is going through the roof when ffmpeg decodes huffyuv-encoded video. just did a quick test with ffplay: decoding a huffyuv-video consumes about 18% cpu time, whereas the very same video encoded with mpeg4 (xvid) only takes 4%. 320x240 in both cases, p4/2.53ghz. this strikes me as being odd, since xvid is usually far more demanding than huffyuv in terms of computing power. the ffmpeg version i used is the current gentoo-ebuild (dated 2006-10-16). During the configure run, an "optimize no"-message flashes by, which I'm a bit unsure about: does it say that ffmpeg gets no optimisations at all or does it refer to ffmpeg not being optimised for size? Additionally, gcc throws a lot of warning about not being able to inline code during the make run. See http://forums.gentoo.org/viewtopic-t-533766.html for details. It would be really cool if someone could shed some light on this issue ... is the slow decoding of huffyuvs due to the missing optimisations, or is there another reason? thank you very much, thoralf. ___________________________________________________________ New Yahoo! Mail is the ultimate force in competitive emailing. Find out more at the Yahoo! Mail Championships. Plus: play games and win prizes. http://uk.rd.yahoo.com/evt=44106/*http://mail.yahoo.net/uk
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