|
Rockbox mail archiveSubject: Re: dsp.c help neededRe: dsp.c help needed
From: Ronald Teune <rtwolf_at_gmx.net>
Date: Thu, 07 Jul 2005 15:34:44 +0200 Now you got me even more puzzled about your weird non-codec/non-plugin thingy. What is it that you want to code? (not that I'm curious...) Have no answer to your question btw, sorry. Ronald On Thu, 07 Jul 2005 15:16:55 +0200, lear_at_algonet.se <lear_at_algonet.se> wrote: > Hi, > > I want to add a processing step in dsp.c, but I must say I find it > difficult to > fully understand how it works. A few questions and things I've noticed: > > * Which format are the samples in during processing? I want to multiply > them > with a fixed-point number - before clipping - so I need to know the exact > format. > > * Which input sample depths are supported? The code implies 16 and 32 > only, > but it isn't clear from the API. > > * Samples seem to be scaled differently, depending on the stereo format > (if > scaling is needed). > > * When "rendering" the final samples, the scaling and clipping seems to > do > things that aren't needed (unless GCC is smart enough to optimize away > that). > > Perhaps a cleanup would be in order? :) > > Magnus > > _______________________________________________ > http://cool.haxx.se/mailman/listinfo/rockbox > -- http://www.georgedillon.com/web/html_email_is_evil.shtml _ ASCII ribbon campaign ( ) - against HTML email X & .doc attachments / \ _______________________________________________ http://cool.haxx.se/mailman/listinfo/rockboxReceived on 2005-07-07 Page template was last modified "Tue Sep 7 00:00:02 2021" The Rockbox Crew -- Privacy Policy |