Rémi Denis-Courmont <r...@videolan.org> writes: > On Fri, 18 Sep 2009 15:25:11 +0100, Måns Rullgård <m...@mansr.com> wrote: >> I have compared FFmpeg against libmpeg2 myself, and FFmpeg on ARMv7 is >> about 1.5x faster than libmpeg2. If your experience with VLC is to >> the contrary, there must be a problem in VLC. > > Upon closer inspection, it does seem that raw ffmpeg is around 50% faster > indeed, if NEON support is enabled. With VLC however, FFMPEG MPEG2 decoding > is horribly jittery - freezing every so often. I do not know why, and I > have neither time nor skills to investigate this.
I offered to help you, but I can't without that oprofile data... > Anyway that's orthogonal to optimizing libmpeg2. True. However, instead of writing it all from scratch, and inefficiently, I suggest you reuse the code from FFmpeg. -- Måns Rullgård m...@mansr.com ------------------------------------------------------------------------------ Come build with us! The BlackBerry® Developer Conference in SF, CA is the only developer event you need to attend this year. Jumpstart your developing skills, take BlackBerry mobile applications to market and stay ahead of the curve. Join us from November 9-12, 2009. Register now! http://p.sf.net/sfu/devconf _______________________________________________ Libmpeg2-devel mailing list Libmpeg2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libmpeg2-devel
