Re: [Alsa-user] Multiple dmix instances on multiple cards
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From: Lee R. <rlr...@jo...> - 2006-02-07 22:58:10
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On Tue, 2006-02-07 at 23:35 +0100, EmIScA wrote: > aoss doesn't work well with skype and vmware because both use mmap > access and full duplex. There's more to it than that - alsa-oss support both mmap and full duplex. > Skype works with aoss only with certain asound.conf settings (with a > trial & error method), but sometimes the audio gets mute, you can ear > but not speak etc. > The only interesting solution I've found is oss2jack, but it's > dependent on jack (you must use jack for each software that uses > audio). How could be configured the jack plug in asound.conf? I tried > the combo (jack + oss2jack + alsa jack plug), but I haven't got it to > work properly. That seems overly complex, compared to just fixing aoss. > I'll wait for new software versions that support natively alsa and > dmix.. meanwhile I use two separate non mixed soundcards. > Lee Revell ha scritto: > > On Tue, 2006-02-07 at 21:44 +0100, EmIScA wrote: > > > > > But that configuration doesn't use only dmix. It uses dmix and dsnopp > > > together with asym and gives you two software mixed and fullduplex > > > cards. > > > By default is it configured in that way? > > > > > > > Yes, just use the "default" device. However it does not yet work with > > USB devices. > > > > > > > Does anyone tried to modify the alsa-oss module to do some software > > > mixing? (to be able to use without aoss or arts hacks, vmware, skype, > > > audacity and many other softwares) > > > > > > > > > > The in-kernel OSS emulation will never support software mixing. The > > short term solution is aoss, the long term solution is to encourage > > those apps to support ALSA (or a cross platform API like JACK or > > PortAudio) natively. > > > > Audacity will support ALSA and JACK natively in the next releae. > > > > Skype is still a problem, please ask them to add ALSA support. > > > > vmware I don't know about. > > > > Are you saying none of these work with aoss for you? > > > > Lee > > > > > > > Frank Barknecht ha scritto: > > > > > > > Hallo, > > > > Lee Revell hat gesagt: // Lee Revell wrote: > > > > > > > > > > > > > > > > > On Tue, 2006-02-07 at 11:44 +0100, EmIScA wrote: > > > > > > > > > > > > > > > > Great!!! It works! > > > > > > > > > > > > Could anyone post to the alsa wiki this (corrected) asound.conf for > > > > > > example? > > > > > > > > > > > > > > > > > That ALSA wiki is completely wrong. Most of the information on it needs > > > > > to be removed. > > > > > > > > > > Dmix should "Just Work" with no need to create an .asoundrc since ALSA > > > > > 1.0.9. > > > > > > > > > > > > > > There's a fat note at the top which says: > > > > > > > > NOTE: For ALSA 1.0.9rc2 and higher you don't need to setup dmix. > > > > Dmix is enabled as default for soundcards which don't support hw > > > > mixing. > > > > > > > > Feel free to make this even clearer and to correct any mistakes in the > > > > rest of the document. Personally I don't use dmix so I admit that I'm > > > > not really up to date with the current situation. > > > > > > > > Ciao > > > > > > > > > > > > > > > |