Re: [AVTCORE] HEVC support in WebRTC

Christer Holmberg <christer.holmberg@ericsson.com> Mon, 27 June 2022 21:59 UTC

Return-Path: <christer.holmberg@ericsson.com>
X-Original-To: avt@ietfa.amsl.com
Delivered-To: avt@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id AEE37C15AE34 for <avt@ietfa.amsl.com>; Mon, 27 Jun 2022 14:59:58 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -7.855
X-Spam-Level:
X-Spam-Status: No, score=-7.855 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.745, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_HI=-5, RCVD_IN_MSPIKE_H2=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (1024-bit key) header.d=ericsson.com
Received: from mail.ietf.org ([50.223.129.194]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1CS76_pS-Hmm for <avt@ietfa.amsl.com>; Mon, 27 Jun 2022 14:59:54 -0700 (PDT)
Received: from EUR04-VI1-obe.outbound.protection.outlook.com (mail-eopbgr80042.outbound.protection.outlook.com [40.107.8.42]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 3BEDAC15AE2A for <avt@ietf.org>; Mon, 27 Jun 2022 14:59:54 -0700 (PDT)
ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=GzVpQcAUD8cjGEqOjn/DY2+r7bsDZqiszvzjVWePMdOi0EqpyThx/uCMPgpGouzX9nklOPbvMDyoPQBSsf+j8judboggDzhBPfn7Jlynn5E0WwKhx6a/1dbuT7leZDlKSh0w8LbpCPQJO02XqdzYD7yrPPRuQoAQpdHKPxc2plDxC+QKxMldOAq1kPMLhXidjHf2rNDno2822gvS00vPAzEbCRf9nWDUkYh1jObksWDXBTh2b2JJVU4pM4RKnDAJBrQXnCFccvnltvpsHuyDqsllq/NT+3HbLRTgT9iRIbaU8PX3WBYvAgceA3EfaFmHc83rYqgmhDzyBjWVTvmTaA==
ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=9k8cwJYMSeNVbyW+0ff0AKZM75gmtIUg+Ilh05S3CXs=; b=GAxh3/lw/L2GzamLtwWwHPgp1WmG1g5Vs6y59JD7GiRmKuRojyGn1vbyfdupzvv8kxKcsZRmNcASypbB7YQMhftg7JSxloSkCcrjqIy/ESZv7EaYrNpFd4+iHxGrfzvRrlCU11wPYAcla84NG2hpfhIJhjMi3ZCephUX+0aocKmOmX8DP7LF2WB2SuY5iNiZD1yzzmeAizJxOfJmGlyHqlII49Ky/5FH5gggm+BlRf2U52Hm6gAEET479qLxNIuOd0Z4Z36TTNu24fgiANnhdWL+LS2HwPL6G2wSyf7OU72uZfSVN0JcgKxnQBN94OZ7YtV76inRu9LpbYzrDSp98Q==
ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=ericsson.com; dmarc=pass action=none header.from=ericsson.com; dkim=pass header.d=ericsson.com; arc=none
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ericsson.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=9k8cwJYMSeNVbyW+0ff0AKZM75gmtIUg+Ilh05S3CXs=; b=gvOaXZKb9B6+Mt4hJXj9sXbxGzF5gxXh2XrkVV/mc/WpW65fecpAzXICoBs9VIbQuV9xnZTQoagoU5qDopTMTjjFxaTniClxNZ7508zq4t4AZlMCTFDG33ejpTTMMxirxscXabHtA1Z/n6yncPK11NKnvWp2gnxCa3WzGtmzJ9s=
Received: from HE1PR07MB4441.eurprd07.prod.outlook.com (2603:10a6:7:9f::27) by AM7PR07MB6294.eurprd07.prod.outlook.com (2603:10a6:20b:13c::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5395.12; Mon, 27 Jun 2022 21:59:49 +0000
Received: from HE1PR07MB4441.eurprd07.prod.outlook.com ([fe80::39f4:2b8e:e73:2c99]) by HE1PR07MB4441.eurprd07.prod.outlook.com ([fe80::39f4:2b8e:e73:2c99%5]) with mapi id 15.20.5373.018; Mon, 27 Jun 2022 21:59:49 +0000
From: Christer Holmberg <christer.holmberg@ericsson.com>
To: Stephan Wenger <stewe@stewe.org>, Bernard Aboba <bernard.aboba@gmail.com>
CC: "avt@ietf.org" <avt@ietf.org>
Thread-Topic: HEVC support in WebRTC
Thread-Index: AQHYiXP/SXqYcFWlxkKdjmZsmRpHja1i6m8AgADk4qA=
Date: Mon, 27 Jun 2022 21:59:49 +0000
Message-ID: <HE1PR07MB44414F9E24FDCC8B67D8851493B99@HE1PR07MB4441.eurprd07.prod.outlook.com>
References: <79069056-6118-498F-A668-E1EA07749222@stewe.org> <65ED8C2C-F066-4F00-9C99-C46F083AA7D9@gmail.com> <C3B3C5F4-A29F-403C-BCE0-99535F849E46@stewe.org>
In-Reply-To: <C3B3C5F4-A29F-403C-BCE0-99535F849E46@stewe.org>
Accept-Language: en-US
Content-Language: en-US
X-MS-Has-Attach:
X-MS-TNEF-Correlator:
authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=ericsson.com;
x-ms-publictraffictype: Email
x-ms-office365-filtering-correlation-id: 393046a5-05ae-4ed7-ead4-08da58885b1b
x-ms-traffictypediagnostic: AM7PR07MB6294:EE_
x-ms-exchange-senderadcheck: 1
x-ms-exchange-antispam-relay: 0
x-microsoft-antispam: BCL:0;
x-microsoft-antispam-message-info: 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
x-forefront-antispam-report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:HE1PR07MB4441.eurprd07.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230016)(4636009)(136003)(346002)(39860400002)(376002)(366004)(396003)(66556008)(4326008)(76116006)(71200400001)(86362001)(66946007)(110136005)(38100700002)(66446008)(66476007)(64756008)(186003)(9686003)(8676002)(6506007)(478600001)(316002)(83380400001)(122000001)(82960400001)(166002)(38070700005)(26005)(966005)(53546011)(7696005)(55016003)(3480700007)(44832011)(2906002)(33656002)(41300700001)(52536014)(5660300002)(8936002); DIR:OUT; SFP:1101;
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: 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
Content-Type: multipart/alternative; boundary="_000_HE1PR07MB44414F9E24FDCC8B67D8851493B99HE1PR07MB4441eurp_"
MIME-Version: 1.0
X-OriginatorOrg: ericsson.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: HE1PR07MB4441.eurprd07.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 393046a5-05ae-4ed7-ead4-08da58885b1b
X-MS-Exchange-CrossTenant-originalarrivaltime: 27 Jun 2022 21:59:49.3074 (UTC)
X-MS-Exchange-CrossTenant-fromentityheader: Hosted
X-MS-Exchange-CrossTenant-id: 92e84ceb-fbfd-47ab-be52-080c6b87953f
X-MS-Exchange-CrossTenant-mailboxtype: HOSTED
X-MS-Exchange-CrossTenant-userprincipalname: UeDiLrIWC0nEkiEKY5cPKRlAhTQ9VyhbuXGcNmFzmZ1hUbq/ph2Na4bKaEjbADNTGgIvCAiApfwCFWwlQz3uUN13oZL5JFe+QM3TZvRnxco=
X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM7PR07MB6294
Archived-At: <https://mailarchive.ietf.org/arch/msg/avt/a8fxhHdx9BYe2CUPZGcAYwg0NU8>
Subject: Re: [AVTCORE] HEVC support in WebRTC
X-BeenThere: avt@ietf.org
X-Mailman-Version: 2.1.39
Precedence: list
List-Id: Audio/Video Transport Core Maintenance <avt.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/avt>, <mailto:avt-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/avt/>
List-Post: <mailto:avt@ietf.org>
List-Help: <mailto:avt-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/avt>, <mailto:avt-request@ietf.org?subject=subscribe>
X-List-Received-Date: Mon, 27 Jun 2022 21:59:58 -0000

Hi,

SDP is not for specific codecs. It can be used to negotiate usage of whatever codes.

Regards,

Christer

From: avt <avt-bounces@ietf.org> On Behalf Of Stephan Wenger
Sent: maanantai 27. kesäkuuta 2022 18.20
To: Bernard Aboba <bernard.aboba@gmail.com>
Cc: avt@ietf.org
Subject: Re: [AVTCORE] HEVC support in WebRTC

Thanks Bernard.  I stand corrected.
Stephan

From: Bernard Aboba <bernard.aboba@gmail.com<mailto:bernard.aboba@gmail.com>>
Date: Sunday, June 26, 2022 at 08:47
To: Stephan Wenger <stewe@stewe.org<mailto:stewe@stewe.org>>
Cc: "avt@ietf.org<mailto:avt@ietf.org>" <avt@ietf.org<mailto:avt@ietf.org>>
Subject: HEVC support in WebRTC

On Jun 16, 2022, at 07:35, Stephan Wenger <stewe@stewe.org<mailto:stewe@stewe.org>> wrote:

Outside of the webrtc context, few use SDP for video nowadays.  The world has moved on to Jitsi and proprietary solutions and whatnot.  The webrtc guys still use SDP but seem to have subscribed to non-ITU video codecs and Opus, at least for last several years, and I do not see that their interest in ITU codecs comes back anytime soon.

[BA] Not so sure about that. See:
https://bugs.chromium.org/p/chromium/issues/detail?id=1286132