In my quest to expand LXC use beyond my current use and possibly solve a little niche item for myself...
After seeing a thread about using a certain VOIP/web cam package inside a LXC conatiner I am curious about how this might play out for my little area. So...while using something like screen in some cases or any or all might be simpler and less cumbersome solution... LXC offers a little bit more of a regimented and segmented method whereby each little operation is in its own little world (container).... The thread about the the VOIP/webcam program mentioned about giving access to devices.... With that in mind...and one other caveat pulseaudio is OUT, VERBOTEN, PROHIBITED, WILL NOT TOUCH MY SYSTEMS EVER! This is one of the first things I remove... it just doesn't work. Since another thread mentions that sharing an ALSA device is not going to work and would violate the above.. http://www.jonnor.com/2010/03/hardware-passthrough-in-lxc-or-running-a- desktop-in-a-cgroup/ http://www.mail-archive.com/lxc-users@lists.sourceforge.net/msg01107.html Ok... having each container have its own little USB audio device is fine.. So what needs to be in the LXC container conf to allow this... I reviewed one for arch... but I don't use that, and it is honestly above my pay grade... http://pastebin.com/yjDMLppn Setup: LXC Host Kubuntu 12.04 LTR ALSA ONLY! LXC 0.7.5 minimum LXC containers would be the standard lxc-create -n Audio1 -t ubuntu lxc-create -n Audio2 -t ubuntu Where the HOST audio -> LXC HOST - No change HW: 0,1 Audio1 = ALSA HW 1,1 Audio2= ALSA HW 2,1 etc... If there was a chance to use the HOST audio device ala : /etc/asound.conf pcm.onboard{ type hw card 0 } ctl.onboard { type hw card 0 } ### Dsnoop both channels pcm.dsnoop_onboard { type dsnoop ipc_key 32 slave { pcm "onboard" channels 2 period_size 320 rate 48000 buffer_size 8192 format S32_LE } bindings { 0 0 1 1 } } ### Dsnoop splited channels pcm.onboard_left { type dsnoop ipc_key 32 slave { pcm "onboard" channels 2 } bindings.0 0 } pcm.onboard_right { type dsnoop ipc_key 32 slave { pcm "onboard" channels 2 } bindings.0 1 } ### PLUGS ## ### used with darkice ### device = plug:plug_onboard_left pcm.plug_onboard_left{ type route slave.pcm "onboard_left" slave.channels 1 ttable.0.0 1 } pcm.plug_onboard_right{ type route slave.pcm "onboard_right" slave.channels 1 ttable.0.0 1 } where then plug_onboard_left = mic in on LXC Audio1 plug_onboard_right = mic in on LXC Audio2 and if I were to do the following (untested) pcm.onboard{ type hw card 1 } ctl.onboard { type hw card 1 } create say pcm.plug_onboard_rt and pcm_plug_onboard_lt etc where plug_onboard_rt = mic in ALSA LXC Audio3 pcm_plug_onboard_lt = mic in ALSA LXC Audio4 etc... Any one doing any routing of sound devices to LXC containers ?? ? Thanks in advance. ------------------------------------------------------------------------------ Get 100% visibility into Java/.NET code with AppDynamics Lite! It's a free troubleshooting tool designed for production. Get down to code-level detail for bottlenecks, with <2% overhead. Download for free and get started troubleshooting in minutes. http://pubads.g.doubleclick.net/gampad/clk?id=48897031&iu=/4140/ostg.clktrk _______________________________________________ Lxc-users mailing list Lxc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-users
