[Bug 793686] New: Unneeded BLIT operation when target is encoder (ex: vaapih264enc)
GStreamer (GNOME Bugzilla)
bugzilla at gnome.org
Wed Feb 21 09:32:29 UTC 2018
https://bugzilla.gnome.org/show_bug.cgi?id=793686
Bug ID: 793686
Summary: Unneeded BLIT operation when target is encoder (ex:
vaapih264enc)
Classification: Platform
Product: GStreamer
Version: 1.12.x
OS: Linux
Status: NEW
Severity: normal
Priority: Normal
Component: gstreamer-vaapi
Assignee: gstreamer-bugs at lists.freedesktop.org
Reporter: philippe.lecluse at intel.com
QA Contact: gstreamer-bugs at lists.freedesktop.org
CC: bsreerenj at gmail.com, vjaquez at igalia.com
GNOME version: ---
This operation
12.4/gstreamer-vaapi-1.12.4/gst-libs/gst/vaapi/gstvaapifilter.c:
pipeline_param->output_background_color = 0xff000000;
force BLIT usage (visible with Vtune or intel_gpu_top) - or this is only needed
when target is Display... useless when target is encoder (where Alpha is
ignored)
This cause extra HW resource usage that can be prevented as this operation is
not needed in encoder cases
Can we make this output_background_color configurable (or skip this operation
in encode pipeline) ?
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