On Wed, Nov 27, 2013 at 07:17:49PM +0100, Jan Stary wrote:
> According to sndio(7), it should be possible for different users
> to share a sndio session by sharing the .aucat_cookie:
> 
>   AUTHENTICATION
>        If a shared sndiod(1) server is running, for privacy reasons only one
>        user may have connections to it at a given time (though the same user
>        could have multiple connections to it).  Users are identified by their
>        session cookie, which is automatically generated by audio or MIDI
>        applications upon the first connection to the server.  The cookie is
>        stored in $HOME/.aucat_cookie and contains 128 bits of raw random data.
>   
>        If a session needs to be shared between multiple users, they can 
> connect
>        to the server using the same cookie.
> 
> Testing this, alice connects to the running sndiod with 
> 
>   alice$ play -n synth sin 440 gain -9
> 
> which plays just fine. While this keeps playing,
> if bob tries to play something, he gets rejected:
> 
>   bob$ play -n synth sin 440 gain -9
>   play FAIL formats: can't open output file `default': 
> 
> If alice makes her cookie available to bob with
> 
>   alice$ cp ~/.aucat_cookie /tmp/
>   alice$ chmod a+r /tmp/.aucat_cookie
> 
> and bob takes that with
> 
>   bob$ cp /tmp/.aucat_cookie ~
>   bob$ chmod 600 ~/.aucat_cookie
> 
> he should be able to share the running sndiod session, right?
> But he still gets rejected:
> 
>   bob$ play -n synth sin 440 gain -9
>   play FAIL formats: can't open output file `default': 
> 
> This is current/i386.
> Am I missing something obvious?

It's supposed to work your way. Check that there is no any
forgotten AUDIODEVICE variable exported and that there's a single
shared server (ie running as _sndio). You could also try to kill
sndiod, and start it with -dd, verify that alice is actually
connected and see why bob's connection is being dropped.

-- Alexandre

Reply via email to