From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 98005] VCE dual instance encoding inconsistent since st/va: enable dual instances encode by sync surface Date: Sat, 01 Oct 2016 15:06:54 +0000 Message-ID: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1200655309==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id D3C646E275 for ; Sat, 1 Oct 2016 15:06:54 +0000 (UTC) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============1200655309== Content-Type: multipart/alternative; boundary="14753344140.3efF.12164"; charset="UTF-8" --14753344140.3efF.12164 Date: Sat, 1 Oct 2016 15:06:54 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated https://bugs.freedesktop.org/show_bug.cgi?id=3D98005 Bug ID: 98005 Summary: VCE dual instance encoding inconsistent since st/va: enable dual instances encode by sync surface Product: Mesa Version: git Hardware: Other OS: All Status: NEW Severity: normal Priority: medium Component: Drivers/Gallium/radeonsi Assignee: dri-devel@lists.freedesktop.org Reporter: adf.lists@gmail.com QA Contact: dri-devel@lists.freedesktop.org Bit late with this one, but I didn't notice initially. It seems there is some timing/sync issue on R9285 with dual instance enabled after c59628d11b134fc016388a170880f7646e100d6f st/va: enable dual instances encode by sync surface Testing with large rawvideo/higher bitrates lucked me out of noticing initi= ally as visually these tend to be OK, though making say 20 and md5summing them w= ill show inconsistencies. I can change the number of "bads" in some tests by flipping my cpus between cpufreq on_demand and perf. At lower sizes/bitrates/transcoding it's possible to get corruption, either= in the form of some runs giving abnormally low bitrate with vbr, or sometimes = with cbr there is a chance of an out of order frame around an IDR frame. Testing this with gstreamer. --=20 You are receiving this mail because: You are the assignee for the bug.= --14753344140.3efF.12164 Date: Sat, 1 Oct 2016 15:06:54 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated
Bug ID 98005
Summary VCE dual instance encoding inconsistent since st/va: enable d= ual instances encode by sync surface
Product Mesa
Version git
Hardware Other
OS All
Status NEW
Severity normal
Priority medium
Component Drivers/Gallium/radeonsi
Assignee dri-devel@lists.freedesktop.org
Reporter adf.lists@gmail.com
QA Contact dri-devel@lists.freedesktop.org 

Bit late with this one, but I didn't notice initially.
It seems there is some timing/sync issue on R9285 with dual instance enabled
after

c59628d11b134fc016388a170880f7646e100d6f
st/va: enable dual instances encode by sync surface

Testing with large rawvideo/higher bitrates lucked me out of noticing initi=
ally
as visually these tend to be OK, though making say 20 and md5summing them w=
ill
show inconsistencies. I can change the number of "bads" in some t=
ests by
flipping my cpus between cpufreq on_demand and perf.

At lower sizes/bitrates/transcoding it's possible to get corruption, either=
 in
the form of some runs giving abnormally low bitrate with vbr, or sometimes =
with
cbr there is a chance of an out of order frame around an IDR frame.

Testing this with gstreamer.

You are receiving this mail because:
  • You are the assignee for the bug.
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