On 24/04/14 22:15, Julien Puydt wrote:

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 ():
Execution ended after 0:00:04.347078564
Setting pipeline to PAUSED ...
Setting pipeline to READY ...
Setting pipeline to NULL ...
Freeing pipeline ...

So it doesn't look at all like the first window shot in this page:
? Only the lower right corner should move.

It does look like in the Web page, i.e. vertical lines and right bottom corner moving.

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...).


Let's try to see first what is the support of ptlib: does it allow device changing and discovery, fullscreen, session recording etc.?

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