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 22:01:35 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0173259967==" 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 09D816E22D for ; Mon, 21 Nov 2016 22:01:35 +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 --===============0173259967== Content-Type: multipart/alternative; boundary="14797656940.FEC41ec9c.1951"; charset="UTF-8" --14797656940.FEC41ec9c.1951 Date: Mon, 21 Nov 2016 22:01:34 +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 #19 from Boyuan Zhang --- (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 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 (qualit= y) > 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-fra= me. > 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 comman= d. >=20 > Thanks Nevermind, the cbr issue was reproduced and fixed. Please try the latest pa= tch I just send. --=20 You are receiving this mail because: You are the assignee for the bug.= --14797656940.FEC41ec9c.1951 Date: Mon, 21 Nov 2016 22:01:34 +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 # 19 on bug 98005<= /a> from Boyuan Zhang 
(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 frame=
s near I frames issue is back.
>=20
> The "out of order" issue was caused by sending last p and ne=
xt 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 (qua=
lity)
> 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-=
frame.
> 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 com=
mand.
>=20
> Thanks

Nevermind, the cbr issue was reproduced and fixed. Please try the latest pa=
tch
I just send.

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