[Bug 776795] avdec_vp9: Rendering corruption

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=776795

--- Comment #4 from Yu Yin Kii <yin.kii.yu at intel.com> ---
Created attachment 342809
  --> https://bugzilla.gnome.org/attachment.cgi?id=342809&action=edit
A comparison of different sinks using avdec_vp9 and vaapidecode

Snapshot of the output when running the same commands on glimagesink and
xvimagesink. Tried on ximagesink too, but unfortunately I got an error for both
decoders:

root at intel-corei7-64:~# gst-launch-1.0 filesrc
location=/gfx/projects/Braswell/HCK_Videos/VP9_Videos/Cactus_640x320_2mbps_30fps.webm
! matroskademux ! avdec_vp9 ! ximagesink
Setting pipeline to PAUSED ...
Pipeline is PREROLLING ...
WARNING: from element /GstPipeline:pipeline0/GstMatroskaDemux:matroskademux0:
Delayed linking failed.
Additional debug info:
/nfs/png/home/lab_yocto/jk/workspace/BXT-LINUX-YOCTO.METABSP/yocto_build/build/tmp/work/corei7-64-poky-linux/gstreamer1.0/1.8.3-r0/gstreamer-1.8.3/gst/parse/grammar.y(506):
gst_parse_no_more_pads ():
/GstPipeline:pipeline0/GstMatroskaDemux:matroskademux0:
failed delayed linking some pad of GstMatroskaDemux named matroskademux0 to
some pad of avdec_vp9 named avdec_vp9-0
ERROR: from element /GstPipeline:pipeline0/GstMatroskaDemux:matroskademux0:
GStreamer encountered a general stream error.
Additional debug info:
/nfs/png/home/lab_yocto/jk/workspace/BXT-LINUX-YOCTO.METABSP/yocto_build/build/tmp/work/corei7-64-poky-linux/gstreamer1.0-plugins-good/1.8.3-r0/gst-plugins-good-1.8.3/gst/matroska/matroska-demux.c(4761):
gst_matroska_demux_loop ():
/GstPipeline:pipeline0/GstMatroskaDemux:matroskademux0:
stream stopped, reason not-linked
ERROR: pipeline doesn't want to preroll.
Setting pipeline to NULL ...
Freeing pipeline ...

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