Gstreamer not playing videos in weston/wayland

sudipj sudipj79 at gmail.com
Thu Sep 29 15:12:30 UTC 2016 

Abin,

Yeah.. you need to use videoparse for raw files. This should work ..

gst-launch-1.0 filesrc location= sample.bgra  ! videoparse format=bgrx
width=352 height=288 framerate=25/1 !  waylandsink

Sudip

On 29 September 2016 at 20:31, Nicolas Dufresne-4 [via GStreamer-devel] <
ml-node+s966125n4679855h36 at n4.nabble.com> wrote:

> Le mercredi 28 septembre 2016 à 20:46 -0700, sudipj a écrit :
> > Abin,
> >
> > Do you get the issue with this pipeline ?
> >
> > gst-launch-1.0 filesrc location=sample.bgra !  video/raw,
> > format=BGRx,  width=352, height=288, framerate=25/1 !  waylandsink ?
>
> Raw files need to be frames, you can't just read them from files in 4kb
> chunk. Use videoparse element, or at least set the appropriate size.
>
> >
> > Which is your wayland version and the rendering mechanism (pixman,
> > EGL) ?
> >
> > ,
> > Sudip
> >
> > On 29 September 2016 at 08:44, Abin P [via GStreamer-devel] <[hidden
> > email]> wrote:
> > > Dear sudipj
> > >
> > > I tried to add caps in gstreamer pipeline like
> > > "gst-launch-1.0 videotestsrc !  Video/x-raw, format=BGRx !
> > > Waylandsink".its working successfully.
> > > Then i tried with a BGRA video like
> > > "gst-launch-1.0 filesrc location=sample.bgra !  Video/raw,
> > > format=BGRA,  width=352, height=288, framerate=25/1 !  Waylandsink"
> > > I got a green line in display  with errors like
> > > (gst-launch-1.0:442):Gstreamer-CRITICAL **:gst_buffer_fill:
> > > assertion 'GST_IS_BUFFER(buffer)'  failed caught SIGENV
> > > #0 0Xb6c27380 in poll() from /lib/libc.so.6
> > > #1 0xb6f414c0 in?? ()
> > > Spinning. Please run 'gdb gst-launch-1.0 442' to continue
> > > debugging
> > >
> > > So i debugged it. That i attached with this mail.
> > > Then i used another pipeline
> > > "gst-launch-1.0 filesrc location=sample.bgra !  Videoparse
> > > width=352 height=288 format=8 !  Videoconvert ! Waylandsink ".
> > > I got a freeze image on the display, video not playing and showing
> > > same error.
> > > I think some buffer error behind it. I am using gstreamer 1.4.1
> > >
> > > Thanks and regards
> > > Abin
> > >
> > > On Tuesday, September 27, 2016, sudipj <[hidden email]> wrote:
> > > > Can you try gst-launch-1.0 videotestsrc ! video/x-raw,
> > > > format=BGRx ! waylandsink. If you change to format=I420, you
> > > > should see the same error.
> > > >
> > > > Wayland supports only RGB formats(BGRA, BGRx, RGB16) , but for
> > > > some reasons other formats are also included in the caps.
> > > >
> > > > Sudip
> > > >
> > > >
> > > > On 27 September 2016 at 21:52, Abin P [via GStreamer-devel]
> > > > <[hidden email]> wrote:
> > > > > Thanks sudipj
> > > > > I already checked waylandsink with wayland flower experiment
> > > > > and EGLWLMOCK NAVIGATION  its works fine.
> > > > > I am here attaching debug log. Using
> > > > > Gst-launch-1.0 videotestsrc !  Videoconvert !  Waylandsink - -
> > > > > gst-debug=*sink*:5
> > > > > Thanks
> > > > > Abin
> > > > >
> > > > > On Sep 26, 2016 1:53 PM, "sudipj" <[hidden email]> wrote:
> > > > > > Can you try  gst-launch-1.0 videotestsrc ! videoconvert !
> > > > > > waylandsink ?
> > > > > >
> > > > > > Regards,
> > > > > > Sudip
> > > > > >
> > > > > > On 26 September 2016 at 11:18, Abin P [via GStreamer-devel]
> > > > > > <[hidden email]> wrote:
> > > > > > > Hi I am trying t build a player in R car-E2 (arm based
> > > > > > > board).I already build weston /wayland ,gststreamer-1.0 and
> > > > > > > waylandsink in R car-E2. I checked all the plugins using
> > > > > > > gst-inspect-1.0.Then i started to test video rendering as "
> > > > > > > gst-launch-1.0 videotestsrc ! waylandsink.I got plenty of
> > > > > > > errors like ERROR:from element
> > > > > > > /Gstpipeline:pipeline0/GstvVideoTestSrc:videotestsrc0:
> > > > > > > Internal data flow error Additional debug info: gstreamer-
> > > > > > > 1.4.1/libs/gst/base/gstbasesrc.c(2933):gst_base_src_loop():
> > > > > > > /GstVideoTestSrc:videotestsrc0: streaming task paused,
> > > > > > > reason not negotiated (-4) ERROR:pipeline doesn't want to
> > > > > > > preroll." .Can anyone help me to solve this problem.I
> > > > > > > debugged with GST_DEBUG=4 gst-launch-1.0 videotestsrc !
> > > > > > > waylandsink.
> > > > > > > regards Abin
> > > > > > >
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