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From "Kjell Otto (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (GUACAMOLE-228) RDP connection sound problems
Date Fri, 03 Mar 2017 14:33:45 GMT

    [ https://issues.apache.org/jira/browse/GUACAMOLE-228?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15894475#comment-15894475
] 

Kjell Otto commented on GUACAMOLE-228:
--------------------------------------

Hi [~mike.jumper],

I just rebuilt the whole server container from latest master(commit da7b77d2ec4a75e8edaad01e145952f9ca98dbb0)
and now the sound output is working for Windows 2008 R2 and 2016 Server respectively. 

The input however, is not working on any of these connections. Just as described above, I
can see the audio microphone device under "Recording" but it doesn't ever get an amplitude.

Here is a complete log from start to finish, I log in fresh to the server, open up sound settings
and test output, sounds play successfully for both sides. Recording shows mic but nothing
is ever sent to the server. Here the log:

{code}
guacd[1]: INFO: Creating new client for protocol "rdp"
guacd[1]: INFO: Connection ID is "$0e1d8d00-2fe9-4d40-9dc6-ad550543fa78"
guacd[52]: INFO:        Security mode: NLA
guacd[52]: INFO:        Resize method: none
guacd[52]: INFO:        User "@2905d7b3-9108-477f-b161-f06b9fb78f47" joined connection "$0e1d8d00-2fe9-4d40-9dc6-ad550543fa78"
(1 users now present)
guacd[52]: INFO:        Loading keymap "base"
guacd[52]: INFO:        Loading keymap "en-us-qwerty"
guacd[52]: INFO:        guacdr connected.
guacd[52]: INFO:        guacsnd connected.
guacd[52]: INFO:        Connected to RDPDR 1.13 as client 0x0006
guacd[52]: INFO:        Ignoring server capability set type=0x0001, length=44
guacd[52]: INFO:        Ignoring server capability set type=0x0002, length=8
guacd[52]: INFO:        Ignoring server capability set type=0x0003, length=8
guacd[52]: INFO:        Ignoring server capability set type=0x0004, length=8
guacd[52]: INFO:        Ignoring server capability set type=0x0005, length=8
guacd[52]: INFO:        Sending capabilities...
guacd[52]: INFO:        Capabilities sent.
guacd[52]: INFO:        Client ID confirmed
guacd[52]: INFO:        User logged on
guacd[52]: INFO:        All supported devices sent.
guacd[52]: INFO:        Accepted format: 16-bit PCM with 2 channels at 44100 Hz
guacd[52]: INFO:        Accepted format: 16-bit PCM with 2 channels at 44100 Hz
guacd[52]: INFO:        Accepted format: 16-bit PCM with 2 channels at 44100 Hz
guacd[52]: INFO:        RDP server closed connection: Manually logged off.
guacd[52]: INFO:        User "@2905d7b3-9108-477f-b161-f06b9fb78f47" disconnected (0 users
remain)
guacd[52]: INFO:        Last user of connection "$0e1d8d00-2fe9-4d40-9dc6-ad550543fa78" disconnected
connected to 10.12.200.8:4001
ERRINFO_UNKNOWN 0x0000000C: Unknown error.
guacd[1]: INFO: Connection "$0e1d8d00-2fe9-4d40-9dc6-ad550543fa78" removed.
{code}

> RDP connection sound problems
> -----------------------------
>
>                 Key: GUACAMOLE-228
>                 URL: https://issues.apache.org/jira/browse/GUACAMOLE-228
>             Project: Guacamole
>          Issue Type: Bug
>    Affects Versions: 0.9.11-incubating
>            Reporter: Kjell Otto
>
> We're experiencing sound bugs when connecting via RDP to Windows 2012 R2 and Windows
2016 Servers. We've followed all the steps necessary in order to enable the sound and we're
able to connect via Windows RDP without any issue. Connect via RDP to a target PC and have
the following settings in place:
> Followed all the necessary steps gathered here: 
> https://serverfault.com/questions/549812/cant-redirect-microphone-by-rdp-no-audio-devices-are-installed#
( https://glyptodon.org/jira/browse/GUAC-1511 )
> From here: https://guacamole.incubator.apache.org/doc/gug/configuring-guacamole.html

>  - enable-audio-input
> Also, we've started the "Windows Audio" and "Windows Audio Endpoint Builder" Service.
> The problem is that weget both devices, input and output most of the time, but they never
work at the same time. The different behaviours we're experiencing are the following. These
are the quirks we've experienced and we would like to help debug them:
> 1. On Windows Server 2016: Sound is only working once. It stops working when one and
exactly one sound was played and finished. When you play the test sound for audio playback
devices, it only plays the first sound on one side of the headphones and then stops working
completely. It will start to work for one time again when you reconnect the session. If you
open the Sound sesstings, we don't see any amplitude for the "Remote Audio" microphone under
the "Recording" tab.
> 2. On Windows Server 2012 R2: We can play sounds just normally. Audio ouput is consistent
and working. Audio input is not working, same as for Windows 2016, under Sound settings in
the "Recording" tab, there is the "Remote Audio" microphone without any amplitude whatsoever.

> We've tried recording on both setups with audacity too, and with direct RDP connections
everything works as expected.
> We would love to get feedback on this and are very willing to help in any way. Please
let us know how we can help.



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