From owner-freebsd-multimedia@FreeBSD.ORG Thu Jan 17 08:01:30 2008 Return-Path: Delivered-To: freebsd-multimedia@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id DBE3416A417 for ; Thu, 17 Jan 2008 08:01:30 +0000 (UTC) (envelope-from alexander@leidinger.net) Received: from redbull.bpaserver.net (redbullneu.bpaserver.net [213.198.78.217]) by mx1.freebsd.org (Postfix) with ESMTP id 9697313C442 for ; Thu, 17 Jan 2008 08:01:30 +0000 (UTC) (envelope-from alexander@leidinger.net) Received: from outgoing.leidinger.net (p54A545AD.dip.t-dialin.net [84.165.69.173]) by redbull.bpaserver.net (Postfix) with ESMTP id A84A22E0BD; Thu, 17 Jan 2008 09:00:57 +0100 (CET) Received: from webmail.leidinger.net (webmail.Leidinger.net [192.168.1.102]) by outgoing.leidinger.net (Postfix) with ESMTP id EA5058A0F2; Thu, 17 Jan 2008 08:59:27 +0100 (CET) Received: (from www@localhost) by webmail.leidinger.net (8.14.2/8.13.8/Submit) id m0H7xRqi028701; Thu, 17 Jan 2008 08:59:27 +0100 (CET) (envelope-from Alexander@Leidinger.net) Received: from pslux.cec.eu.int (pslux.cec.eu.int [158.169.9.14]) by webmail.leidinger.net (Horde MIME library) with HTTP; Thu, 17 Jan 2008 08:59:27 +0100 Message-ID: <20080117085927.bik3eztii3ogk8wo@webmail.leidinger.net> X-Priority: 3 (Normal) Date: Thu, 17 Jan 2008 08:59:27 +0100 From: Alexander Leidinger To: Julian Stacey References: <200801170152.m0H1qMpA065499@fire.js.berklix.net> In-Reply-To: <200801170152.m0H1qMpA065499@fire.js.berklix.net> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; DelSp="Yes"; format="flowed" Content-Disposition: inline Content-Transfer-Encoding: quoted-printable User-Agent: Internet Messaging Program (IMP) H3 (4.1.5) / FreeBSD-8.0 X-BPAnet-MailScanner-Information: Please contact the ISP for more information X-BPAnet-MailScanner: Found to be clean X-BPAnet-MailScanner-SpamCheck: not spam, SpamAssassin (not cached, score=-12.904, required 6, BAYES_00 -15.00, J_CHICKENPOX_44 0.60, MIME_QP_LONG_LINE 1.40, RDNS_DYNAMIC 0.10) X-BPAnet-MailScanner-From: alexander@leidinger.net X-Spam-Status: No Cc: freebsd-multimedia@freebsd.org, jhs@berklix.com Subject: Re: forcing more sound buffering X-BeenThere: freebsd-multimedia@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Multimedia discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Jan 2008 08:01:31 -0000 Quoting Julian Stacey (from Thu, 17 Jan 2008 =20 02:52:22 +0100): > I guess ksmp3play uses less internal buffering than mplayer, ? With a .jpg= : > 133MHz hw.snd.feeder_buffersize=3D16384 mplayer : ran a bit rough. > 133MHz hw.snd.feeder_buffersize=3D65536 ksmp3play : awful > 133MHz hw.snd.feeder_buffersize=3D65536 mplayer : still a bit broken. > 166MHz hw.snd.feeder_buffersize=3D16384 ksmp3play : awful > 166MHz hw.snd.feeder_buffersize=3D16384 mplayer: : much better > 166MHz hw.snd.feeder_buffersize=3D65536 ksmp3play : broke up > 166MHz hw.snd.feeder_buffersize=3D65536 mplayer : pretty good, not perf= ect. Try with mpg123 (it may or may not solve your problem). > What is the lowest speed CPU for playing `normal mp3 music (ie `file' abov= e) > Am I being over ambitious or reasonable ? According to www.mpg123.org: ---snip--- Needed computing power A recent test (GNU/Linux OS) with 0.60-beta2 showed 3% to 4% CPU usage =20 on decoding high quality VBR MP3 with a pentiumII laptop with 366MHz, =20 while a pentium 100MHz can easily handle two mpg123 instances in =20 realtime (plus the mixing daemon that works on decoded data). Michael said once upon a time Plays Layer 3 in stereo on an AMD-486-120Mhz or (of course) a faster machine= . Just for info: mpg123 plays an average 128bps stream, with about 66% =20 in full quality on an AMD 486-133MHz machine. ---snip--- Bye, Alexander. --=20 Ferengi Rule of Acquisition #239: =09 Never be afraid to mislabel a product. =09=09-- ST:DS9, "Body Parts" http://www.Leidinger.net Alexander @ Leidinger.net: PGP ID =3D B0063FE7 http://www.FreeBSD.org netchild @ FreeBSD.org : PGP ID =3D 72077137