Apple ships Altivec powered DSP libraries for OSX. If you've ever seen iTunes encode Mp3s, its fast! I am quite interested in doing this (I've posted here before). The simplest way would be to replace FFT routines with the Apple ones etc. This is quite obvious, but real proof, just do some basic profiling of Lame.
However (and this is purely from memory) , it's not that simple as data structures and inputs are not "apples to apples". It would help if there was some documentation regarding function call parameters, general layout of data structures, and overall data flow. You can read the source code, you can grab books on FFTs, Mp3 frame structures etc... LAME is great, but I suspect that not that many people are looking to Altivec because it requires a lot of effort to get up to speed, while good alternatives already exist e.g. iTunes, or they could work on newer codecs e.g. Vorbis. On Thursday, January 09, 2003, at 01:49AM, Alexander Leidinger <[EMAIL PROTECTED]> wrote: >On Tue, 7 Jan 2003 13:38:20 +0100 >"Olle Hansson" <[EMAIL PROTECTED]> wrote: > >> I Wonder how the project goes, is it done or? :) > >Nothing is done. Nobody with a PPC system wanted to do the work. > >Bye, >Alexander. > >-- > Secret hacker rule #11: hackers read manuals. > >http://www.Leidinger.net Alexander @ Leidinger.net > GPG fingerprint = C518 BC70 E67F 143F BE91 3365 79E2 9C60 B006 3FE7 >_______________________________________________ >mp3encoder mailing list >[EMAIL PROTECTED] >http://minnie.tuhs.org/mailman/listinfo/mp3encoder > > _______________________________________________ mp3encoder mailing list [EMAIL PROTECTED] http://minnie.tuhs.org/mailman/listinfo/mp3encoder
