X2Go Bug report logs - #861
No Sound in TCE-RDP-directConnect

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Date: Wed, 29 Apr 2015 14:56:32 +0200
From: Florian Wicke - Hetzner Online AG <florian.wicke@hetzner.de>
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Subject: Re: [X2Go-Dev] Bug#861: No Sound in TCE-RDP-directConnect
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[Message part 1 (text/plain, inline)]

Hi Stefan,

i don't know about the 'rdpsnd'-plugin for xfreerdp - the official
documentation suggests 'drdynvc':

https://github.com/FreeRDP/FreeRDP/wiki/Multimedia-Redirection



Kind regards

 Florian Wicke

Hetzner Online AG
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Am 29.04.2015 um 14:03 schrieb Stefan Baur:
> Am 29.04.2015 um 12:37 schrieb Florian Wicke - Hetzner Online AG:
> 
>> yes pulseaudio is started from x2gothinclientd - rdesktop does not 
>> support pulseaudio as audio backend - but you can workaround that
>> with 'padsp' from the pulseaudio-utils package. - you just have to
>> prefix the rdesktop command with padsp like:
> 
>> padsp rdesktop -u <username> -f -r sound:local <address>
> 
>> then pulseaudio redirects the access to /dev/dsp of rdesktop to
>> itself.
> 
> I know of padsp, but it seems there is no way I can just add this call
> somewhere in the config.  This looks like it has to be added to
> x2goclient's source.
> 
> (I can only add additional parameters after the rdesktop/xfreerdp
> call, but nothing in front of it.)
> 
>> xfreerdp should have native pulseaudio-support so it depends on
>> your choice of software. To force xfreerdp to use pulseaudio you
>> could add the parameter '--data tsmf:audio:pulse' to the
>> xfreerdp-command
> 
> So,
> --ignore-certificate --plugin rdpsnd --data tsmf:audio:pulse -d DOMAIN
> -f -u User -p Password Server:3389
> doesn't work, it throws me right back at the login prompt.
> 
> Running it on the command line
> 
> xfreerdp --ignore-certificate --plugin rdpsnd -d DOMAIN -f -u User -p
> Password Server:3389
> 
> (i.e. *without* the parameter you suggested) returns, when pulseaudio
> is loaded:
> 
> loading plugin rdpsnd
> Warning xf_GetWindowProperty (140): Property 484 does not exist
> connected to Server:3389
> freerdp_load_library_symbol: failed to open
> /usr/lib/i386-linux-gnu/freerdp/rdpsnd_pulse.so:
> /usr/lib/i386-linux-gnu/freerdp/rdpsnd_pulse.so: cannot open shared
> object file: No such file or directory
> freerdp_load_plugin: failed to load rdpsnd_pulse/FreeRDPRdpsndDeviceEntry
> 
> So it does try to do some pulseaudio'ish things, but fails.  Thus, I'm
> guessing xfreerdp in Debian Wheezy is too old/doesn't include
> Pulseaudio support for some reason.
> 
> Also, note that adding the parameter you suggested doesn't work out of
> the box - e.g. when called like this:
> 
> xfreerdp --ignore-certificate --plugin rdpsnd -d DOMAIN -f -u User -p
> Password --data tsmf:audio:pulse Server:3389
> 
> it dies instantly with:
> 
> loading plugin rdpsnd
> invalid option: --data
> failed to parse arguments.
> 
> so the position of the parameter seems to matter.
> 
> Additional info: xfreerdp --version returns "This is FreeRDP version
> 1.0.1"
> 
> -Stefan
> 
> 
> 
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> x2go-dev@lists.x2go.org
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