On Thu, Mar 06, 2008 at 06:08:29PM +0100, Christophe Massiot wrote: > On Sun, Feb 24, 2008, Diego Biurrun wrote: > > This patch supercedes previous incarnations sent in by Petri and Lionel. > > It takes the idct part from their patches along with minor cleanups and > > should be easier to review/verify. > > Does anyone know why the output of the SSE2 IDCT is different from the > one of the MMXEXT IDCT ? Since the algorithm is supposed to be the same, > they should have exactly identical results. This not being the case, it > may indicate that some extra approximations are used, and the SSE2 code > may not pass the ieee 1180 conformance test.
How much of a problem is this given that an IDCT is always a lossy operation? Diego ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://ad.doubleclick.net/clk;164216239;13503038;w?http://sf.net/marketplace _______________________________________________ Libmpeg2-devel mailing list Libmpeg2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/libmpeg2-devel
