[winswitch] Xpra man page confusion: compression level and compressor

[Frédéric Henry-Couannier]

Hello Jiang,
i'm curious. What kind of client are you using ? is it a kind of bananapi or raspberry pi, or odroid...?I'm interested in such low cost client solutions with xpra, but unfortunately so far it's too slow with my odroid (the most powerful low cost small board as far as i know and profiled for video applications) because xpra does not support opengl-es. But may be it will work fine with other boards i dont know about.
Fred 


     Le Dimanche 31 mai 2015 11h59, Jiang Qian <jiang.qian at gmail.com> a écrit :
   

 Perhaps I am missing something, but this line in the entry about
--compress=LEVEL in the manpage of xpra confuses me:
"If lz4 compression is available, it will be enabled *when the level
is set to 1*, lz4 compresses a lot less than zlib but it is also much
faster."
I use RBG encoding, and I certainly have lz4 compression available. I
enable them in command line by "--encoding=rgb --compressor=lz4"
Does that mean I need to put "--compress=1" to set compression level
to 1 in order for xpra to use lz4? What will happen if I put

--compress=0 --compressor=lz4?

What about
--compress=3 --compressor=lz4?

I am using xpra over a gigabit lan, but on a weaker client side
processor (the server have very powerful processor). I want rgb for
display quality. I watch flash videos (e.g. nytimes, daily show) that
are too slow to play on the client side, obviously with sound.
So are

--encode=rgb --packet-encoder=rencode --compress=1 --compresspr=lz4
--speaker-encoder=wav

the best options to have? Right now there are occassional lags and out
of sync in sound. I'm running 0.14.24 on both server and clients, both
running Ubuntu 14.04. I only forward individual window, not whole
desktop. And yes, I use xvfb.

Thanks in advance for any advice.

Regards
Jiang
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