From mboxrd@z Thu Jan 1 00:00:00 1970 From: Takashi Iwai Subject: Re: Problem with multiplexing Date: Fri, 16 May 2003 11:30:03 +0200 Sender: alsa-devel-admin@lists.sourceforge.net Message-ID: References: <1053038198.473.5.camel@jabawack.canini.org> Mime-Version: 1.0 (generated by SEMI 1.14.4 - "Hosorogi") Content-Type: text/plain; charset=US-ASCII Return-path: In-Reply-To: <1053038198.473.5.camel@jabawack.canini.org> Errors-To: alsa-devel-admin@lists.sourceforge.net List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: To: Marco Canini Cc: alsa-devel@lists.sourceforge.net List-Id: alsa-devel@alsa-project.org At 16 May 2003 00:36:38 +0200, Marco Canini wrote: > > Please gimme an answer! > > I've a CS4624 sound card, i compiled the kernel 2.5.68 with ALSA all > built-in (no modules), i choosed to compile the following: > > Sequencer support > OSS API emulation > OSS Mixer API > OSS PCM (digital audio) API > RTC Timer support > > PCI devices -> Cirrus Logic (Sound Fusion) CS4280/CS461x/CS462x/CS463x > > I don't use devfs, so i created the needed devices trough the proper > script, and i can actually get sound from native alsa apps and oss apps. > > What i can't get to work is the multiplexing: i mean whan more than one > app open /dev/dsp and i can listen more than one audio stream at the > same time. > > I tried today on another machine with a sb live and without alsa, well > there it works! > > I thought that alsa do some sort of software multiplexing if the > hardware multiplexing is unavailable. > > Anyway do you have some ideas of what's going on here? the latest driver supports multiple playback on this chip but only with the new DSP code. please turn on CONFIG_SND_CS46XX_NEW_DSP (still tagged experimental). Takashi ------------------------------------------------------- Enterprise Linux Forum Conference & Expo, June 4-6, 2003, Santa Clara The only event dedicated to issues related to Linux enterprise solutions www.enterpriselinuxforum.com