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: Mon, 21 Nov 2016 22:51:27 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0242658085==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [IPv6:2610:10:20:722:a800:ff:fe98:4b55]) by gabe.freedesktop.org (Postfix) with ESMTP id 700696E268 for ; Mon, 21 Nov 2016 22:51:27 +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 --===============0242658085== Content-Type: multipart/alternative; boundary="14797686870.ce2e.4553"; charset="UTF-8" --14797686870.ce2e.4553 Date: Mon, 21 Nov 2016 22:51:27 +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 --- Comment #20 from Boyuan Zhang --- (In reply to Boyuan Zhang from comment #19) > (In reply to Boyuan Zhang from comment #18) > > (In reply to Andy Furniss from comment #14) > > > but I am afraid the patches regress cbr so the out of order frames ne= ar I frames issue is back. > >=20 > > The "out of order" issue was caused by sending last p and next i frame > > together for dual instance encoding, which has already been solved and > > shouldn't affect by this patch. I suspect the i-frame has less QP (qual= ity) > > than p-frame in cbr case (to meet constant bit-rate) where bit-rate is = not > > high enough, as a result you might see low picture quality for each i-f= rame. > > Please confirm with high bitrate or using analyser to check the order. > >=20 > > If you still see the out-of-order issue, please share the clip and comm= and. > >=20 > > Thanks >=20 > Nevermind, the cbr issue was reproduced and fixed. Please try the latest > patch I just send. Links can be found below: https://lists.freedesktop.org/archives/mesa-dev/2016-November/136065.html https://lists.freedesktop.org/archives/mesa-dev/2016-November/136066.html --=20 You are receiving this mail because: You are the assignee for the bug.= --14797686870.ce2e.4553 Date: Mon, 21 Nov 2016 22:51:27 +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 # 20 on bug 98005<= /a> from Boyuan Zhang
(In reply to Boyuan Zhang from comment #19)
> (In reply to Boyuan Zhang from comment #18)
> > (In reply to Andy Furniss from comment #14)
> > > but I am afraid the patches regress cbr so the out of order =
frames near I frames issue is back.
> >=20
> > The "out of order" issue was caused by sending last p a=
nd next i frame
> > together for dual instance encoding, which has already been solve=
d and
> > shouldn't affect by this patch. I suspect the i-frame has less QP=
 (quality)
> > than p-frame in cbr case (to meet constant bit-rate) where bit-ra=
te is not
> > high enough, as a result you might see low picture quality for ea=
ch i-frame.
> > Please confirm with high bitrate or using analyser to check the o=
rder.
> >=20
> > If you still see the out-of-order issue, please share the clip an=
d command.
> >=20
> > Thanks
>=20
> Nevermind, the cbr issue was reproduced and fixed. Please try the late=
st
> patch I just send.

Links can be found below:
https://lists.freedesktop.org/archives/mesa-dev/2016-November/13=
6065.html
https://lists.freedesktop.org/archives/mesa-dev/2016-November/13=
6066.html


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