[Bug 779263] VAAPI encoding artifacts

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=779263

--- Comment #5 from Benjamin <ben at setplex.com> ---
also I did try same everything with file source and you mat download and see
results below:

Source:    http://albcast.tv/source/testsrc.mp4
x264 out:  http://albcast.tv/source/out_x264enc.ts
VAAPI out: http://albcast.tv/source/out_vaapih264enc.ts 

VAAPI pipline:
gst-launch-1.0 -v filesrc  location=testsrc.mp4 ! qtdemux ! h264parse !
vaapidecodebin ! vaapipostproc width=1280 height=720 deinterlace-method=1 
scale-method=2  ! videorate ! video/x-raw,framerate=25/1 ! vaapih264enc
rate-control=2 bitrate=2000 ! mpegtsmux ! filesink
location='out_vaapih264enc.ts'

x264 pipline:
gst-launch-1.0 -v filesrc  location=testsrc.mp4 ! qtdemux ! h264parse !
vaapidecodebin ! vaapipostproc width=1280 height=720 deinterlace-method=1 
scale-method=2  ! videorate ! video/x-raw,framerate=25/1 ! x264enc pass=0
bitrate=2000  ! mpegtsmux ! filesink
location='/var/setrix/hls/encoding/8/out_x264enc.ts'

as you can see VAAPI's output is very poor.

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