[Spice-devel] [PATCH v9 00/24] Add GStreamer support for video streaming

[Pavel Grunt]

Hi Francois,

On Fri, 2016-02-05 at 05:27 +0100, Francois Gouget wrote:
> On Thu, 28 Jan 2016, Pavel Grunt wrote:
> [...]
> > I can provide a recording without the warning:
> > http://people.freedesktop.org/~pgrunt/rhel6_gstreamer_record.spice.
> > xz
> > 
> > It seems that gstreamer has problem when the stream dimensions
> > changes.
> > I notice that before the server hangs the target-bitrate is set to:
> > 0 for gstreamer:vp8 or mjpeg http://fpaste.org/315639/14539702/ and
> > 1 for gstreamer:h264 http://fpaste.org/315644/53971267/
> 
> I have reproduced the problem with this file. In fact it was masked
> by a 
> change in one of my extras patches which is why I was not seeing the 
> issue. I have pushed an updated patchset to github.
> 
> The new patchset also tweaks the pipeline to fix prevent GStreamer
> 1.0's 
> h264 encoder from freezing on startup and to improve performance of
> VP8 
> encoding. Hopefully that will work better.
> 
> Let me know how it goes.

Thanks, it works better. I did some quick tests with a win7 guest &
youtube and did not hit any crash - It hanged once with h264 but I
wasn't able reproduce.

Quality of streaming was good, my feeling is that the vp8 was the best,
h264 had some artifacts.


Thanks,
Pavel