[Bug 98278] Corrupted videos VA-API HW encoding radeonsi

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98278

--- Comment #12 from Christoph Haag <haagch at frickel.club> ---
Thanks for your tips, quite some new information for me.

I am using this pipeline now:
gst-launch-1.0 -e ximagesrc display-name=:0 use-damage=0 startx=0 starty=0
endx=1919 endy=1079 ! multiqueue ! video/x-raw,format=BGRx,framerate=60/1 !
videoconvert ! video/x-raw,format=NV12,framerate=60/1 ! multiqueue !
vaapih264enc rate-control=cqp bitrate=5000 ! video/x-h264,profile=baseline !
h264parse ! multiqueue ! matroskamux name=muxer. ! progressreport name=Rec_time
! filesink location=output.mkv

This one runs nicely and doesn't cause GPU hangs.


Are we using this bug report to talk about omx too?

This is my equivalent omx pipeline:
gst-launch-1.0 -e ximagesrc display-name=:0 use-damage=0 startx=0 starty=0
endx=1919 endy=1079 ! multiqueue ! video/x-raw,format=BGRx,framerate=60/1 !
videoconvert ! video/x-raw,format=NV12,framerate=60/1 ! multiqueue ! omxh264enc
control-rate=2 target-bitrate=11000000 ! h264parse ! multiqueue ! matroskamux
name=muxer. ! progressreport name=Rec_time ! filesink location=output.mkv

omxregister-bellagio produces a broken ~/.omxregister for me, but it really
only needs to be a text file with two lines:

/usr/lib/bellagio/libomxvideosched.so
/usr/lib/bellagio/libomx_mesa.so

Sometimes (?) the gst-omx plugin is blacklisted. Check with gst-inspect-1.0 |
grep omx whether there is something. If not, delete
~/.cache/gstreamer-1.0/registry.x86_64.bin and try again.

That's all I know about reasons omx may not be working.


For the performance, there is a chance you're also affected by bug 97075. Try
running
vblank_mode=0 glxgears
and then starting the encoding. Make sure it's really not throttled to 60 fps.
Either it improves the performance of the hardware encoder a lot or it does
nothing.

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