HTTP Live Streaming
RFC 8216
| Document | Type |
RFC - Informational
(August 2017; Errata)
Was draft-pantos-http-live-streaming (individual)
|
|
|---|---|---|---|
| Last updated | 2017-10-17 | ||
| Stream | ISE | ||
| Formats | plain text pdf htmlized with errata bibtex | ||
| IETF conflict review | conflict-review-pantos-http-live-streaming | ||
| Stream | ISE state | Published RFC | |
| Consensus Boilerplate | Unknown | ||
| Document shepherd | Adrian Farrel | ||
| Shepherd write-up | Show (last changed 2017-04-18) | ||
| IESG | IESG state | RFC 8216 (Informational) | |
| Telechat date | |||
| Responsible AD | (None) | ||
| Send notices to | "Nevil Brownlee" <rfc-ise@rfc-editor.org> | ||
| IANA | IANA review state | Version Changed - Review Needed | |
| IANA action state | RFC-Ed-Ack | ||
Independent Submission R. Pantos, Ed.
Request for Comments: 8216 Apple, Inc.
Category: Informational W. May
ISSN: 2070-1721 MLB Advanced Media
August 2017
HTTP Live Streaming
Abstract
This document describes a protocol for transferring unbounded streams
of multimedia data. It specifies the data format of the files and
the actions to be taken by the server (sender) and the clients
(receivers) of the streams. It describes version 7 of this protocol.
Status of This Memo
This document is not an Internet Standards Track specification; it is
published for informational purposes.
This is a contribution to the RFC Series, independently of any other
RFC stream. The RFC Editor has chosen to publish this document at
its discretion and makes no statement about its value for
implementation or deployment. Documents approved for publication by
the RFC Editor are not a candidate for any level of Internet
Standard; see Section 2 of RFC 7841.
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/rfc8216.
Copyright Notice
Copyright (c) 2017 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.
This document may not be modified, and derivative works of it may not
be created, except to format it for publication as an RFC or to
translate it into languages other than English.
Pantos & May Informational [Page 1]
RFC 8216 HTTP Live Streaming August 2017
Table of Contents
1. Introduction to HTTP Live Streaming .............................4
2. Overview ........................................................4
3. Media Segments ..................................................6
3.1. Supported Media Segment Formats ............................6
3.2. MPEG-2 Transport Streams ...................................7
3.3. Fragmented MPEG-4 ..........................................7
3.4. Packed Audio ...............................................8
3.5. WebVTT .....................................................8
4. Playlists .......................................................9
4.1. Definition of a Playlist ..................................10
4.2. Attribute Lists ...........................................11
4.3. Playlist Tags .............................................12
4.3.1. Basic Tags .........................................12
4.3.1.1. EXTM3U ....................................12
4.3.1.2. EXT-X-VERSION .............................12
4.3.2. Media Segment Tags .................................13
4.3.2.1. EXTINF ....................................13
4.3.2.2. EXT-X-BYTERANGE ...........................14
4.3.2.3. EXT-X-DISCONTINUITY .......................14
4.3.2.4. EXT-X-KEY .................................15
4.3.2.5. EXT-X-MAP .................................17
4.3.2.6. EXT-X-PROGRAM-DATE-TIME ...................18
4.3.2.7. EXT-X-DATERANGE ...........................18
4.3.2.7.1. Mapping SCTE-35 into
EXT-X-DATERANGE ................20
4.3.3. Media Playlist Tags ................................22
4.3.3.1. EXT-X-TARGETDURATION ......................22
4.3.3.2. EXT-X-MEDIA-SEQUENCE ......................22
4.3.3.3. EXT-X-DISCONTINUITY-SEQUENCE ..............23
4.3.3.4. EXT-X-ENDLIST .............................23
4.3.3.5. EXT-X-PLAYLIST-TYPE .......................24
4.3.3.6. EXT-X-I-FRAMES-ONLY .......................24
4.3.4. Master Playlist Tags ...............................25
4.3.4.1. EXT-X-MEDIA ...............................25
4.3.4.1.1. Rendition Groups ...............28
4.3.4.2. EXT-X-STREAM-INF ..........................29
4.3.4.2.1. Alternative Renditions .........32
4.3.4.3. EXT-X-I-FRAME-STREAM-INF ..................33
4.3.4.4. EXT-X-SESSION-DATA ........................34
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