On Sun, 24 Aug 2008 23:21:10 +0200 Matthias Kilian <[EMAIL PROTECTED]> wrote:
> On Sun, Aug 24, 2008 at 12:22:07AM -0400, Brad wrote: > > The following diff for x264 switches the library from using > > the signals method of AltiVec detection to using the sysctl > > method and adds support for detecting the # of CPUs using > > the sysctl. > > What's the correct way to test this? I tried > > $ ffmpeg -input foo.mpg -vcodec libx264 output.avi > > with and without the patch and didn't notice any performance > improvement nor any (visible) output difference. If Altivec applies > only to decoding, I've to do some more tests. > > And on arm, I get bus errors for the above command line regardless > of what version fo x264 is used. > > Ciao, > Kili What you did above is correct. You will not notice any difference because AltiVec was already enabled. This just changes the method used to detect the presence of AltiVec. -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.
