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From James McClune <mcclu...@norwalktruckers.net>
Subject Re: Assistance with PulseAudio & VNC
Date Mon, 07 Jan 2019 13:48:20 GMT
Hi Nick,

Thank you for your followup. I checked my dmesg and the only thing I see
with guacd are occasional segfaults from VNC, not Pulse. I also checked
journalctl and here's what I see:

Jan 07 08:41:56 NCS-GUACVDI-1 guacd[1118]: Creating new client for protocol
"vnc"
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[1118]: Connection ID is
"$01df2280-d3c8-41fa-ab14-ca44edc90976"
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: Cursor rendering: local
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: User
"@81d95373-b127-425f-888b-a7ffe0aa35c5" joined connection
"$01df2280-d3c8-41fa-ab14-ca44edc90976" (1 users now present)
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: VNC server supports protocol
version 3.8 (viewer 3.8)
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: We have 1 security types to read
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: 0) Received security type 2
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: Selecting security type 2 (0/1
in the list)
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: Selected Security Scheme 2
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: VNC authentication succeeded
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: Desktop name "TRUCKEROS-IMG:0"
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: Connected to VNC server, using
protocol version 3.8
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: VNC server default format:
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]:   32 bits per pixel.
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]:   Least significant byte first
in each pixel.
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]:   TRUE colour: max red 255
green 255 blue 255, shift red 16 green 8 blue 0
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: Connecting to PulseAudio...
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: Authorizing PulseAudio
connection...
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: Sending client name...
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: Recording of session will be
saved to "/opt/records/TruckerOSv1.1-pre.46".
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: PulseAudio now ready
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: client2server supported
messages (bit flags)
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: 00: 00ff 0081 0000 0000 - 0000
0000 0000 0000
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: 08: 0000 0000 0000 0000 - 0000
0000 0000 0000
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: 10: 0000 0000 0000 0000 - 0000
0000 0000 0000
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: 18: 0000 0000 0000 0000 - 0000
0000 0000 0004
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: server2client supported
messages (bit flags)
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: 00: 001f 0080 0000 0000 - 0000
0000 0000 0000
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: 08: 0000 0000 0000 0000 - 0000
0000 0000 0000
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: 10: 0000 0000 0000 0000 - 0000
0000 0000 0000
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: 18: 0000 0000 0000 0000 - 0000
0000 0000 0004
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: Connected to Server "unknown
(LibVNCServer 0.9.10)"
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: Will use default sink:
"auto_null"
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: Starting streaming from "Dummy
Output"
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: PulseAudio stream being
created...
Jan 07 08:41:56 NCS-GUACVDI-1 guacd[31235]: PulseAudio stream now ready

When I say "refreshing the session", I'm triggering a refresh from my web
browser. Could you please elaborate on the PulseAudio inputs & outputs? I
checked pavucontrol and I see Dummy Output receiving audio. Unfortunately,
no luck on the client end.

Thanks,
James

P.S. Here's my client info:

Client OS: Ubuntu 14.04.5
Web Browser: Google Chrome 70.0.3538.77

On Fri, Jan 4, 2019 at 3:57 PM Nick Couchman <vnick@apache.org> wrote:

> On Thu, Jan 3, 2019 at 9:08 AM James McClune <mcclunej@norwalktruckers.net>
> wrote:
>
>> Hello Apache Guacamole Community,
>>
>> I'm having issues getting PulseAudio to send audio with Guacamole
>> session. I'm trying to use PulseAudio & VNC simultaneously, as described
>> here:
>>
>>
> James,
> Are there any messages in /var/log/messages or "journalctl" from guacd
> that indicate any particular issues guacd may be encountering?  Also, you
> say that if you "refresh the session" (not sure what this means?) you see
> the PulseAudio traffic, but does that mean that you're getting audio, or
> you're just seeing the traffic but still not getting audio?
>
> One thing I'd look at is making sure that the remote PulseAudio session is
> correctly configured as the default destination - PulseAudio can have
> multiple inputs and outputs, and if the remote computer has a sound card
> it's possible the data is still being sent to the local sound card and not
> to the remote PulseAudio session.
>
> -Nick
>

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