[winswitch] xpra 0.16.0 with Ubuntu Trusty (was announcement email thread)

[Antoine Martin]

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On 30/12/15 20:07, Norman Rasmussen wrote:
> On Tue, Dec 29, 2015 at 3:52 PM, Antoine Martin
> <antoine at nagafix.co.uk <mailto:antoine at nagafix.co.uk>> wrote:
> 
> On 29/12/15 22:48, Douglas Doole wrote:
>> Hi Antoine. Any ETA for the 0.16 binary to be available for
>> Ubuntu  14.04 (trusty)?
> Ubuntu Trusty is not supported with newer versions (0.16 and
> later). I will continue to maintain the 0.15 branch for those
> distros unable to make the jump.
> 
> 
> What does 0.16 require that trusty doesn't have?  i.e. if I wanted
> to upgrade to 0.16 what do I need to pull from a newer release to
> support it?
The main stumbling block with making builds for Trusty is that we have
removed support for the ill-fated Debian libav fork and will only
support ffmpeg going forward.

I have made builds for Trusty and those work fine but they lack h264
decoding which is done via our "dec_avcodec2", and the colourspace
conversion step is done via the slow cython fallback.

There is a 0.16.1-RC build there right now (but beware that the beta
area gets cleaned up and refreshed regularly, 0.17 alpha builds are
coming up next):
http:/xpra.org/beta/trusty/

h264 is the default encoding because it provides the best performance,
which is why I don't want to make a new release without it.
It would be seen as a regression for many use cases.
The vp8 encoding is pretty close, but it has not had the same amount
of testing.

The other problem with Trusty is OpenGL driver stability.

Another potential problem is the move to GStreamer 1.x and the
packaging changes that go with it.

If there is enough demand for it, I guess I could change my mind on
this issue, but only if enough Trusty users request it and do enough
testing...

The next Ubuntu LTS release will be supported in 0.16 and later.

Cheers
Antoine


> 
> 
> Cheers Antoine
> 
> 
>> 
>> Thanks.
>> 
>> On Mon, Dec 28, 2015 at 12:20 AM Antoine Martin
>> <antoine at nagafix.co.uk <mailto:antoine at nagafix.co.uk> 
>> <mailto:antoine at nagafix.co.uk <mailto:antoine at nagafix.co.uk>>>
>> wrote:
>> 
>> Hi,
>> 
>> This release builds on the structural changes made in 0.15 to
>> improve the existing functionality and add some useful new
>> features.
>> 
>> You can find a more user friendly description of these changes, 
>> including more detailed descriptions and links, here: 
>> http://xpra.org/trac/wiki/News#a0.16.0Release
>> 
>> Here are some of the most prominent changes: * client side window
>> scaling * audio-video synchronization * improved printer
>> forwarding and HTML5 client printing support * support for screen
>> capture tools * support remote SSH start without specifying a
>> display * dbus server for easier runtime control * XShape
>> forwarding for X11 clients * remove more legacy code, cleanups,
>> add sanity checks, etc * switch to GStreamer 1.x on most
>> platforms * zero copy memoryview buffers, safer read-only
>> buffers * improved vp9 support * handling of very high client
>> resolutions (8k and above) * more reliable window positioning and
>> geometry (many changes) * network and protocol improvements:
>> safety checks, threading, etc * support multiple socket
>> directories * encryption improvements: support TCP only
>> encryption, PKCS#7 padding * improved DPI and anti-alias
>> synchronization and handling * better multi-monitor support * lz4
>> faster modes with automatic speed tuning * server file upload
>> from system tray * new debugging subcommand: "xpra showconfig" *
>> option to select a specific clibpoard to synchronize with (MS
> Windows)
>> * faster OpenGL screen updates: group screen updates * replace
>> calls to setxkbmap with native X11 API * opensuse support * XShm
>> for override-redirect windows and shadow servers * faster X11
>> shadow servers * improved logging and debugging tools, fault
>> injection * more robust error handling and recovery from client
>> errors * NVENC support for MS Windows shadow servers
>> 
>> Your comments and feature requests are always welcome. Now is the
>> perfect time to submit them for the next release: 
>> http://xpra.org/trac/milestone/0.17
>> 
>> The source: https://xpra.org/src/ Binaries/repositories: 
>> https://winswitch.org/downloads/ Direct binary downloads: 
>> https://xpra.org/dists/ Beta: https://xpra.org/beta/
>> 
>> Cheers Antoine _______________________________________________ 
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> <mailto:shifter-users at lists.devloop.org.uk>>
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>> 
> 
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> 
> 
> -- - Norman Rasmussen - Email: norman at rasmussen.co.za
> <mailto:norman at rasmussen.co.za> - Home page:
> http://norman.rasmussen.co.za/

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