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WebRTC Video Processing and Codec Requirements (RFC7742)

IP.com Disclosure Number: IPCOM000245659D
Original Publication Date: 2016-Mar-01
Included in the Prior Art Database: 2016-Mar-25
Document File: 20 page(s) / 21K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

A.B. Roach: AUTHOR

Abstract

One of the major functions of WebRTC endpoints is the ability to send and receive interactive video. The video might come from a camera, a screen recording, a stored file, or some other source. This specification provides the requirements and considerations for WebRTC applications to send and receive video across a network. It specifies the video processing that is required as well as video codecs and their parameters.

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This is the abbreviated version, containing approximately 13% of the total text.

Internet Engineering Task Force (IETF)                        A.B. Roach Request for Comments: 7742                                       Mozilla Category: Standards Track                                     March 2016 ISSN: 2070-1721

              WebRTC Video Processing and Codec Requirements

Abstract

   This specification provides the requirements and considerations for    WebRTC applications to send and receive video across a network.  It    specifies the video processing that is required as well as video    codecs and their parameters.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force    (IETF).  It represents the consensus of the IETF community.  It has    received public review and has been approved for publication by the    Internet Engineering Steering Group (IESG).  Further information on    Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at    http://www.rfc-editor.org/info/rfc7742.

Copyright Notice

   Copyright (c) 2016 IETF Trust and the persons identified as the    document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal    Provisions Relating to IETF Documents    (http://trustee.ietf.org/license-info) in effect on the date of    publication of this document.  Please review these documents    carefully, as they describe your rights and restrictions with respect    to this document.  Code Components extracted from this document must    include Simplified BSD License text as described in Section 4.e of    the Trust Legal Provisions and are provided without warranty as    described in the Simplified BSD License.

 Roach                        Standards Track                    [Page 1]
 RFC 7742                      WebRTC Video                    March 2016

 Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2

   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   2

   3.  Pre- and Post-Processing  . . . . . . . . . . . . . . . . . .   3

     3.1.  Camera-Source Video . . . . . . . . . . . . . . . . . . .   3

     3.2.  Screen-Source Video . . . . . . . . . . . . . . . . . . .   4

   4.  Stream Orientation  . . . . . . . . . . . . . . . . . . . . .   4

   5.  Mandatory-to-Implement Video Codec  . . . . . . . . . . . . .   5

   6.  Codec-Specific Considerations . . . . . . . . . . . . . . . .   6

     6.1.  VP8 . . . . . . . . . . . . . . . . . . . . . . . . . . .   6

     6.2.  H.264 . . . . ....