Hi developers,
I'm currently setting up a bunch of linux thin clients for schools (lubuntu,
alsa & pulse available). Of course schools need multimedia support.
I played around with freerdp 0.8.x (git version from 20110605) and noticed a
real strange behavier with sound redirection...
A session like this causes a delay of 2-3 seconds for sound when I play for
instance a youtube-flash or any kind of (low-)resolution movie:
xfreerdp -g 1920x1060 -u user -p pass -d domain --no-nla --plugin rdpsnd
192.168.15.107
Sound and video are completely out of sync.
I tried several connection strings (my testserver is W7/64bit, but I also
tried W2k8R2), like e.g.:
xfreerdp -g 1920x1060 -u user -p pass -d domain --plugin rdpsnd
192.168.15.107
xfreerdp -g 1920x1060 -u user -p pass -d domain --no-nla --plugin rdpsnd
--data alsa -- 192.168.15.107
xfreerdp -g 1920x1060 -u user -p pass -d domain --no-nla --plugin rdpsnd
--data pulse -- 192.168.15.107
xfreerdp -g 1920x1060 -u user -p pass -d domain --plugin rdpsnd --plugin
drdynvc --data tsmf -- 192.168.15.107
xfreerdp -g 1920x1060 -u user -p pass -d domain --rfx --plugin rdpsnd
--plugin drdynvc --data tsmf:audio:alsa -- 192.168.15.107
etc.
Regarding the TSMF-sessions: Of course the sound is perfect in sync if I use
a file which is capable of full tsmf support. But if I use a movie in the
same session which is not fully supported by tsmf the delay appears asap.
Seems like there's a fallback to rdpsnd that brings the problem up again.
Then I tested with latest git version of 0.8.x, - again same result, same
delay.
Then I changed to freerdp 1.0 and again: the problem still exists.
I have all needed packages installed (ffmpeg, alsa, pulse, xvideo, ...
whatever). I have sound and NO probs at all on the local thin client. The
compilation for all versions of freerdp looks perfect (configure finds
everthing).
The shell shows no strange errors, everything looks fine: rdpsnd_pulse or
rdpsnd_alsa is found everytime I connect.
Anybody made I similar experiance? Is my command for the sessions somehow
wrong? Which would be the 100% correct connection string for audio-redirect
(with / without tsmf)? I really checked everything for hours, now. I have no
clue what's wrong! :(
Anybody can help or test on his system if my prob is reproduceable?
Thanks a lot & regards,
gotsiboon.
--
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