[Bug 781069] New: GPU resources and VAAPI

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=781069

            Bug ID: 781069
           Summary: GPU resources and VAAPI
    Classification: Platform
           Product: GStreamer
           Version: 1.11.x
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: Normal
         Component: gstreamer-vaapi
          Assignee: gstreamer-bugs at lists.freedesktop.org
          Reporter: ben at setplex.com
        QA Contact: gstreamer-bugs at lists.freedesktop.org
                CC: bsreerenj at gmail.com, vjaquez at igalia.com
     GNOME version: ---

Created attachment 349532
  --> https://bugzilla.gnome.org/attachment.cgi?id=349532&action=edit
Gstreamer-VAAPI vs Gstreamer-MSDK

When transcoding with Gstreamer-VAAPI a lot more of GPU resources are being
used then Gstreamer-MSDK.

Live Transcode VAAPI: GPU 27%
Live Transcode  MSDK: GPU 6%

VAAPI seems to be using 4 times more GPU then MSDK.

Please see the attached image I took screenshot of both servers. 

Environment: 

2x identical servers with Xeon(R) CPU E3-1245 v5 SKYLAKE

Server 1 with VAAPI: Ubuntu 16.04 
vainfo: Driver version: Intel i965 driver for Intel(R) Skylake - 1.8.2.pre1
(1.7.3-372-g2f0a844)

Gstreamer-VAAPI Pipeline: 
gst-launch-1.0 souphttpsrc location="http://localhost:80/oranews_HD/mpegts"
is-live=true ! tsdemux name=demux  ! queue max-size-buffers=1200
max-size-buffers=0 max-size-time=0 ! \
h264parse ! vaapih264dec ! vaapipostproc width=1280 height=720 ! vaapih264enc
rate-control=2 bitrate=1700 ! h264parse ! \
flvmux streamable=true name=mux ! rtmpsink
location="rtmp://localhost:1935/pushrtmp/vappi_outs live=1" demux. ! queue
max-size-buffers=1200 max-size-buffers=0 max-size-time=0 ! \
mpegaudioparse ! queue ! avdec_mp2float plc=true ! audioconvert ! queue !
voaacenc bitrate=128000 ! mux.



Server 2 with MSDK: Centos 7.2
Media Server Studio 2017
vainfo: VA-API version: 0.99 (libva 1.67.0.pre1)

Gstreamer-MSDK Pipeline: 
gst-launch-1.0 souphttpsrc location="http://localhost:80/oranews_HD/mpegts"
is-live=true ! tsdemux name=demux  ! queue max-size-buffers=1200
max-size-buffers=0 max-size-time=0 \
! h264parse ! mfxh264dec ! mfxvpp width=1280 height=720 ! mfxh264enc
rate-control=1 bitrate=1700 ! flvmux streamable=true name=mux ! rtmpsink
location="rtmp://localhost:1935/pushrtmp/mfx_out live=1" demux. \
! queue max-size-buffers=1200 max-size-buffers=0 max-size-time=0 !
mpegaudioparse ! queue ! avdec_mp2float plc=true ! audioconvert ! queue !
voaacenc bitrate=128000 ! mux.

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