From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 110257] Major artifacts in mpeg2 vaapi hw decoding Date: Fri, 17 May 2019 04:52:19 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0139936752==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id E40C289823 for ; Fri, 17 May 2019 04:52:19 +0000 (UTC) In-Reply-To: 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 --===============0139936752== Content-Type: multipart/alternative; boundary="15580687393.9a8de1.2332" Content-Transfer-Encoding: 7bit --15580687393.9a8de1.2332 Date: Fri, 17 May 2019 04:52:19 +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=3D110257 --- Comment #2 from Andrew Randrianasulu --- wasn't this fixed by https://cgit.freedesktop.org/mesa/mesa/commit/?id=3Dd507bcdcf26b417dea20109= 0165af651253b6b11=20 ---------- st/va: reverse qt matrix back to its original order The quantiser matrix that VAAPI provides has been applied with inverse z-sc= an. However, what we expect in MPEG2 picture description is the original order. Therefore, we need to reverse it back to its original order. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=3D110257 Cc: mesa-stable@lists.freedesktop.org ---------- I can only test with Cinelerra-GG, and my nv92 crad decodes 1080p25 mpeg2 v= ery slowly (video decoder clock problem) - but for me images were ok! --=20 You are receiving this mail because: You are the assignee for the bug.= --15580687393.9a8de1.2332 Date: Fri, 17 May 2019 04:52:19 +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

Commen= t # 2 on bug 11025= 7 from Andrew Randrianasulu 
wasn't this fixed by
https://cgit.freedesktop.org/mesa/mesa/commit=
/?id=3Dd507bcdcf26b417dea201090165af651253b6b11=20

----------
st/va: reverse qt matrix back to its original order
The quantiser matrix that VAAPI provides has been applied with inverse z-sc=
an.
However, what we expect in MPEG2 picture description is the original order.
Therefore, we need to reverse it back to its original order.

Bugzilla: https://bugs.freedesktop.org/show_bug.=
cgi?id=3D110257
Cc: mesa-stable=
4;lists.freedesktop.org
----------

I can only test with Cinelerra-GG, and my nv92 crad decodes 1080p25 mpeg2 v=
ery
slowly (video decoder clock problem) - but for me images were ok!

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