This is great but it seems that the cvs server is down :(
Takashi Iwai wrote: > > Hi, > > right now you can find a driver for USB audio on cvs. > it's in alsa-driver not in alsa-kernel. > the driver will be built automatically when CONFIG_USB is specified in > kernel config. > > please note that this driver is EXPERIMENTAL and TENTATIVE. > my first plan was to implement a USB library layer on alsa-lib, but it > was found out that implementation of isochronous transfer via > usbdevfs will bring some difficulty. so i started coding of a normal > kernel driver at first. > if any feasible solution to port such a stuff into user space, we > should do that. > > but anyway, it's good to have a working code. we can move it to other > place later. > > the current code is partly based on OSS/USB audio.c code, but apart > from the parsing routine of audio-streaming, the resultant codes > became fairly different from the oss code. > > almost all mixer controls are supported except for graphic equalizer. > the mapping of topology might not be perfect, since alsa has a plain > control structure. > > so far, i've tested only audio playback on my speaker, which is > adaptive out without pitch/freq setting. xmms is working. > the driver accepts the period size up to 1ms. a courageous user can > try such a heavy condition. (me? did not yet :) > 24bit / 96kHz should work, too, but i have no such a hardware. > besides, capture is not tested at all. > > if you have a usb audio device, please test once. > (oh, i forgot to mention the driver name - it's "snd-usb-audio" > quite easy, isn't it?) > > if you find somewhat strange behavior (especially in mixer controls), > please send me the output of lsusb. > > btw, when you use snd-usb-audio module, please make sure that you > don't load OSS audio.o together. hotplug likely loads both modules at > the same time. > > ciao, > > Takashi > > _______________________________________________________________ > > Don't miss the 2002 Sprint PCS Application Developer's Conference > August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm > > _______________________________________________ > Alsa-devel mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/alsa-devel -- Patrick Shirkey - Boost Hardware Ltd. For the discerning hardware connoisseur Http://www.boosthardware.com Http://www.boosthardware.com/LAU/guide/ ======================================================================= _______________________________________________________________ Don't miss the 2002 Sprint PCS Application Developer's Conference August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm _______________________________________________ Alsa-devel mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/alsa-devel
