Video overlay using VAAPI

[Wolfgang Grandegger]

Hello Nicolas,

Am 14.06.2018 um 13:41 schrieb Wolfgang Grandegger:
> Hello,
> 
> Am 14.06.2018 um 12:55 schrieb Nicolas Dufresne:
>>
>>
>> Le jeu. 14 juin 2018 06:22, Víctor Jáquez <vjaquez at igalia.com
>> <mailto:vjaquez at igalia.com>> a écrit :
>>
>>     On Thu, 14 Jun 2018 at 11:57, Wolfgang Grandegger wrote:
>>     > Hello,
>>     >
>>     > Am 13.06.2018 um 13:45 schrieb Nicolas Dufresne:
>>     > >
>>     > >
>>     > > Le mer. 13 juin 2018 04:57, Wolfgang Grandegger
>>     <wg at grandegger.com <mailto:wg at grandegger.com>
>>     > > <mailto:wg at grandegger.com <mailto:wg at grandegger.com>>> a écrit :
>>     > >
>>     > >     Hello,
>>     > >
>>     > >     I want to program a GStreamer pipeline overlaying a video
>>     generated with
>>     > >     "videotestsrc" over a video received from the network on an
>>     Intel PC
>>     > >     (VAAPI).  What is the most efficient way to realize such an
>>     overlay. The
>>     > >     overlay works fine with "clockoverlay" but I have not found
>>     yet a
>>     > >     solution with "videotestsrc".
>>     > >
>>     > >
>>     > > I believe best would be to use glvideomixer.
>>     >
>>     > OK, thakns, the following is working:
>>     >
>>     > # gst-launch-1.0 glvideomixer name=m ! vaapisink \
>>     >       videotestsrc !
>>     video/xraw,format=RGBA,width=1280,height=800,framerate=30/1 ! \
>>     >       m.  videotestsrc pattern=1 !
>>     video/x-raw,format=RGBA,width=1280,height=50 ! m.
>>     >
>>     > But when I try to read a MJPEG encoded stream from the network
>>     it's not
>>     > shown, but just the overlay:
>>
>>
>> Looks like this bug:
>>
>> https://bugzilla.gnome.org/show_bug.cgi?id=796505
> 
> But the command below works fine:
> 
> # gst-launch-1.0 udpsrc port=50004 ! application/x-rtp,encoding-name=JPEG,payload=26 \
> 	! queue ! rtpjpegdepay ! vaapijpegdec ! vaapipostproc ! vaapisink
> 
> I have here 1.12.24. Another good reason to upgrade to a more recent
> version...

I extracted that patch from the git repo and applied it to may
version... and now the command above works! Great! Thanks!

Wolfgang.

PS: my mail client just offers me to reply to the author or the list,
but not both? Is that intentional?