Re: [Ekiga-devel-list] Using gstreamer for everything audio and video in ekiga

[Craig Southeren <craigs postincrement com>]

BTW: Robert added full gstreamer support for video and audio to Opal 
some time ago.

This has been deployed and is in use by customers on embedded and 
desktop platforms.

   Craig

On 4/25/14, 6:15 AM, Julien Puydt wrote:
> Hi,
>
> Le 23/04/2014 18:28, Eugen Dedu a écrit :
> > On 22/04/14 15:16, Julien Puydt wrote:
>
> > > Can you try the following two commands:
> > > 1. gst-launch videotestsrc ! ximagesink
> >
> > It shows several coloured vertical lines.  The output is:
> > snoopy:~$ gst-launch-1.0 videotestsrc ! ximagesink
> > Setting pipeline to PAUSED ...
> > Pipeline is PREROLLING ...
> > Pipeline is PREROLLED ...
> > Setting pipeline to PLAYING ...
> > New clock: GstSystemClock
> > ERROR: from element /GstPipeline:pipeline0/GstXImageSink:ximagesink0:
> > Output window was closed
> > Additional debug info:
> > ximagesink.c(686): gst_ximagesink_handle_xevents ():
> > /GstPipeline:pipeline0/GstXImageSink:ximagesink0
> > Execution ended after 0:00:04.347078564
> > Setting pipeline to PAUSED ...
> > Setting pipeline to READY ...
> > Setting pipeline to NULL ...
> > Freeing pipeline ...
> > snoopy:~$
>
> So it doesn't look at all like the first window shot in this page: 
> http://wiki.oz9aec.net/index.php/Gstreamer_cheat_sheet
> ? Only the lower right corner should move.
>
>
> > > 2. gst-launch videotestsrc ! agingtv ! ximagesink
> >
> > The same erroneous window, with the same output.
>
> It should be only slightly the same, with an aging special effect so 
> the streams can be discerned apart (as I write "apart" I wonder if it 
> shouldn't have been "one another" or something like this...).
>
> > > > Could you explain what is the ekiga architecture for video?  We have
> > > > clutter thing, v4l2 plugin thing, X code thing in ekiga, now you 
> > > > propose
> > > > gstreamer thing... how are they related?  What precisely will 
> > > > gstreamer
> > > > code replace?
> > >
> > > Gstreamer should replace mostly everything... connecting on one hand to
> > > opal for the network part and to Damien's clutter code for the video
> > > display.
> >
> > So will it replace all ptlib plugins?  Currently there is:
> > /usr/lib/ptlib-2.10.12/devices/videoinput/v4l2_pwplugin.so
> > /usr/lib/ptlib-2.10.12/devices/sound/oss_pwplugin.so
> > /usr/lib/ptlib-2.10.12/devices/sound/pulse_pwplugin.so
> > /usr/lib/ptlib-2.10.12/devices/sound/alsa_pwplugin.so
>
> Yes. And the same code should work regardless of the platform.
>
> Snark
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 Craig Southeren                 Post Increment Consulting and Software
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