[winswitch] H264 encoder missing?
antoine at nagafix.co.uk
Fri Jun 5 11:12:17 BST 2015
On 05/06/15 08:26, Jiang Qian wrote:
> Hi everyone,
> This must be the dumbest question ever asked on this list, but what do
> I need to do to enable h264 encoding?
Not at all, I should have mentioned this in the more detailed release
notes on the subject of "removing legacy code":
0.15 dropped support for the Debian libav fork of ffmpeg, so there is no
h264 decoding out of the box any more.
> I am running xpra 0.15 on both server and client, both running ubuntu
> 14.04 (server is 64 bit and client is 32 bit). I installed xpra on
> both client and server from the xpra's official repository:
> deb: http://xpra.org/ trusty main
> and I assume all the necessary dependency should be met automatically.
> But when I do
> xpra --encoding=help ...
> the only encoding I have is v8 and webp, various png and rgb. h264 is
> also missing from the tray menu of GUI.
FYI: only decoding has been removed, the h264 encoder should still be
present since we use x264 library directly, you can verify this with:
xpra start --encoding-help
> Do I need to install additional packages and configure xpra server and
> client somehow to use H264 encoding?
No, but you can:
* switch to VP9 instead - which has similar characteristics, if not
better (and ignore the warnings about it being too slow - it isn't any
longer, as long as your server is running 0.15 or later)
* upgrade to Ubuntu 14.10, 15.04 or later which support the newer ffmpeg
codec and have h264 decoding out of the box
* stick to the 0.14.x branch
> Thanks in advance for any hints!
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