From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 98005] VCE dual instance encoding inconsistent since st/va: enable dual instances encode by sync surface
Date: Fri, 11 Nov 2016 21:40:16 +0000 [thread overview]
Message-ID: <bug-98005-502-gnJaXRfYPb@http.bugs.freedesktop.org/> (raw)
In-Reply-To: <bug-98005-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=98005
--- Comment #9 from Andy Furniss <adf.lists@gmail.com> ---
The transcoding test above now makes similar size to cbr.
There is a new issue though. The GOP patch (2) is problematic.
It doesn't show on the transcoding test, but after reading the patch comment
about gop affecting rate control I tested with gstreamer default (30) and max =
keyframe-period=300
With vbr plus high bitrates this makes a large difference in file size.
This still happens if I disable dual instance in radeon_vce.c.
CBR seems to be unaffected, though dual instance encoding seems to come out a
bit lower than single instance.
The vbr test =
gst-launch-1.0 -f filesrc location=/mnt/ramdisk/trees-1440p50.nv12
blocksize=5529600 !
video/x-raw,format=NV12,width=2560,height=1440,framerate=50/1 ! queue !
vaapih264enc rate-control=vbr bitrate=50000 keyframe-period=300 ! video/x-h264,
profile=baseline ! filesink location=/mnt/ramdisk/out.264
Result = 9.4M file (source is 500 frames)
above with keyframe-period=30 = 42M which is close to expected result.
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next prev parent reply other threads:[~2016-11-11 21:40 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-01 15:06 [Bug 98005] VCE dual instance encoding inconsistent since st/va: enable dual instances encode by sync surface bugzilla-daemon
2016-10-03 22:16 ` bugzilla-daemon
2016-10-17 20:20 ` bugzilla-daemon
2016-10-17 23:59 ` bugzilla-daemon
2016-10-18 17:58 ` bugzilla-daemon
2016-10-18 20:25 ` bugzilla-daemon
2016-11-10 22:57 ` bugzilla-daemon
2016-11-10 23:35 ` bugzilla-daemon
2016-11-11 16:31 ` bugzilla-daemon
2016-11-11 21:40 ` bugzilla-daemon [this message]
2016-11-11 21:51 ` bugzilla-daemon
2016-11-13 0:03 ` bugzilla-daemon
2016-11-13 0:04 ` bugzilla-daemon
2016-11-18 21:17 ` bugzilla-daemon
2016-11-19 0:37 ` bugzilla-daemon
2016-11-20 14:01 ` bugzilla-daemon
2016-11-20 14:03 ` bugzilla-daemon
2016-11-20 23:25 ` bugzilla-daemon
2016-11-21 19:54 ` bugzilla-daemon
2016-11-21 22:01 ` bugzilla-daemon
2016-11-21 22:51 ` bugzilla-daemon
2016-11-22 0:29 ` bugzilla-daemon
2016-11-22 0:51 ` bugzilla-daemon
2016-11-22 1:03 ` bugzilla-daemon
2016-11-24 19:53 ` bugzilla-daemon
2016-11-24 22:04 ` bugzilla-daemon
2016-11-25 0:53 ` bugzilla-daemon
2016-11-25 21:15 ` bugzilla-daemon
2016-11-26 19:45 ` bugzilla-daemon
2016-11-26 21:59 ` bugzilla-daemon
2016-11-26 23:23 ` bugzilla-daemon
2016-11-27 0:53 ` bugzilla-daemon
2016-11-28 22:34 ` bugzilla-daemon
2016-11-28 23:47 ` bugzilla-daemon
2016-11-29 20:02 ` bugzilla-daemon
2016-11-30 19:35 ` bugzilla-daemon
2016-11-30 20:53 ` bugzilla-daemon
2016-12-06 0:25 ` bugzilla-daemon
2016-12-06 15:23 ` bugzilla-daemon
2016-12-08 11:54 ` bugzilla-daemon
2019-09-25 17:55 ` bugzilla-daemon
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