Video overlay using VAAPI

[Víctor Jáquez]

On Thu, 14 Jun 2018 at 06:55, Nicolas Dufresne wrote:
> Le jeu. 14 juin 2018 06:22, Víctor Jáquez <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>> 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
>

Unless he is using the new intel vaapi driver (not packaged by any distro so
far), intel-media-driver (iHD), I  don't think it is the case.

vmjl

> >
> > > # gst-launch-1.0 -v glvideomixer name=m ! vaapisink display=1  \
> > >       udpsrc port=50004 !
> > application/x-rtp,encoding-name=JPEG,payload=26 ! queue ! \
> > >       rtpjpegdepay ! vaapijpegdec ! vaapipostproc ! \
> > >       m. videotestsrc pattern=1 !
> > video/x-raw,format=RGBA,width=1280,height=50
> > >       ! m.
> >
> > I guess, what you want is this
> >
> > gst-launch-1.0 -v glvideomixer name=m ! vaapisink \
> >   videotestsrc pattern=1 ! video/x-raw,width=1280,height=720 ! m. \
> >   udpsrc port=50004 ! application/x-rtp,encoding-name=JPEG,payload=26 !
> > queue ! \
> >   rtpjpegdepay ! vaapijpegdec ! vaapipostproc ! m.
> >
> > >
> > > It's difficult to understand what's working together. Maybe it's because
> > I mixed elements
> > > from "vaapi" and "opengl" modules.
> > >
> > > The following works just fine.
> > >
> > > # gst-launch-1.0 udpsrc port=50004 !
> > application/x-rtp,encoding-name=JPEG,payload=26 \
> > >       ! queue ! rtpjpegdepay ! vaapijpegdec ! vaapipostproc ! vaapisink
> > >
> > >
> > > Wolfgang.
> > > _______________________________________________
> > > gstreamer-devel mailing list
> > > gstreamer-devel at lists.freedesktop.org
> > > https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
> >