[Bug 797005] New: vaapi decode + glimagesink with DMABuf results in scrambled output
GStreamer (GNOME Bugzilla)
bugzilla at gnome.org
Tue Aug 21 23:17:46 UTC 2018
https://bugzilla.gnome.org/show_bug.cgi?id=797005
Bug ID: 797005
Summary: vaapi decode + glimagesink with DMABuf results in
scrambled output
Classification: Platform
Product: GStreamer
Version: 1.14.x
OS: Linux
Status: NEW
Severity: normal
Priority: Normal
Component: gstreamer-vaapi
Assignee: gstreamer-bugs at lists.freedesktop.org
Reporter: nico.galoppo at intel.com
QA Contact: gstreamer-bugs at lists.freedesktop.org
CC: bsreerenj at gmail.com, vjaquez at igalia.com
GNOME version: ---
Created attachment 373420
--> https://bugzilla.gnome.org/attachment.cgi?id=373420&action=edit
glsinkimage output screenshot
Now the following pipeline runs without pipeline errors, but the glimagesink
output is scrambled (see attached screenshot):
gst-launch-1.0 -v souphttpsrc
location=https://www.freedesktop.org/software/gstreamer-sdk/data/media/sintel_trailer-480p.webm
! matroskademux ! vaapidecodebin ! "video/x-raw(memory:DMABuf)" ! glimagesink
It looks like wrong image frame metadata is passed, perhaps incorrect stride.
The following pipeline runs correctly (not buggy), but since I'm not using a
capsfilter, it's going through video/x-raw(meta:GstVideoGLTextureUploadMeta) at
the glimagesink.
gst-launch-1.0 -v souphttpsrc
location=https://www.freedesktop.org/software/gstreamer-sdk/data/media/sintel_trailer-480p.webm
! matroskademux ! vaapidecodebin !
video/x-raw(meta:GstVideoGLTextureUploadMeta) ! glimagesink
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