From owner-freebsd-multimedia Fri Mar 29 16:49:15 2002 Delivered-To: freebsd-multimedia@freebsd.org Received: from jupiter.linuxengine.net (jupiter.linuxengine.net [209.61.188.254]) by hub.freebsd.org (Postfix) with ESMTP id D6DC437B417 for ; Fri, 29 Mar 2002 16:49:09 -0800 (PST) Received: from jupiterweb.commercevault.com (jupiterweb.commercevault.com [209.61.179.16] (may be forged)) by jupiter.linuxengine.net (8.11.6/8.11.0) with ESMTP id g2TNr2h12123; Fri, 29 Mar 2002 17:53:02 -0600 Date: Fri, 29 Mar 2002 17:53:02 -0600 (CST) From: John Utz X-X-Sender: john@jupiter.linuxengine.net To: Rahul Siddharthan Cc: "Adam D. Gorski" , Subject: Re: SB problem (was: Cat'ing /dev/audio) In-Reply-To: <20020330004107.B88610@lpt.ens.fr> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-multimedia@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org hi rahul On Sat, 30 Mar 2002, Rahul Siddharthan wrote: > John Utz said on Mar 29, 2002 at 17:33:07: > > i have a minor ahah here..... > > > > > in make.conf I have the following (relevant) lines: > > > > > > CPUTYPE= p2 > > > > i think you should try not using p2 > > > > > CFLAGS= -O -pipe > > > > i usually hack this to -O2 > > On a PII-450 MHz, all these things should absolutely not be an issue > at all. You should get perfectly good output without any > optimisation. Moreover, if the machine is too slow the output will > be jerky and discontinuous, but it won't have the sort of noise Adam > describes. i agree that -O2 shouldnt be an issue given the circumstances. i agree that the if it where required, the failure mode would be as you suggest. i included that as a by the way, but i didnt make that clear. i would also concede that your suggestion that the problem is a sampling rate problem is possible. because it would be concievable that linux/alsa might have a more sophisticated approach to automagically resampling things. *but*, i simply dont run into content that has been sampled that way! i havent ever run into stuff that i cant play via xmms on my 4.5 box. evidently that isnt the case for you. my current supposition is a math error, because i know that gcc with the more specialized cpu architecture setups isnt particularly well tested, and it's tested even less on freebsd! furthermore, preparing oggs and mp3's for play is a math intensive process, so any goof ups in the math code would be painfully evident. but, i am guessing. > Rahul > -- John L. Utz III john@utzweb.net Idiocy is the Impulse Function in the Convolution of Life To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-multimedia" in the body of the message