IEC 62766-2-2:2016

Consumer terminal function for access to IPTV and open internet multimedia services - Part 2-2: HTTP adaptive streaming

IEC 62766-2-2:2016 specifies media formats for adaptive unicast content streaming over HTTP. Two HTTP adaptive streaming formats are specified. The first is based entirely on MPEG DASH. The second is the OIPF “HTTP adaptive streaming” (HAS) format, which is based upon 3GPP’s release 9 adaptive HTTP streaming (AHS) format, with some profiling and extensions to add the features of media components and support for MPEG-2 transport stream content segment format. The latter format was specified before MPEG DASH had been published. It is retained due to usage in some legacy applications.

Fonction des terminaux grand public pour l'accès aux services IPTV et multimédias de l'internet ouvert - Partie 2-2: Diffusion en flux adaptatif sur HTTP

L'IEC 62766-2-2:2016 spécifie les formats de médias pour une diffusion en flux adaptatif de contenu en monodiffusion sur HTTP. Deux formats de diffusion en flux adaptatif sur HTTP sont spécifiés. Le premier repose entièrement sur le format MPEG DASH. Le second est le format de "diffusion en flux adaptatif sur HTTP" (HAS) de l'OIPF, basé sur le format de diffusion en flux adaptatif sur HTTP version 9 de 3GPP, certains profils et extensions ajoutant les caractéristiques des composants médias et prenant en charge le format de segment de contenu du flux de transport MPEG-2. Ce dernier format a été spécifié avant la publication du format MPEG DASH. Il est maintenu en raison de son utilisation dans certaines applications existantes.

General Information

• Status: Published
• Publication Date: 13-Dec-2016
• ICS: 01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION
• ICS: 33.170 - Television and radio broadcasting
• ICS: 35.240.95 - Internet applications
• Technical Committee: TC 100 - Audio, video and multimedia systems and equipment
• Drafting Committee: MT 62766 - TC 100/MT 62766
• Current Stage: PPUB - Publication issued
• Start Date: 28-Feb-2017
• Completion Date: 14-Dec-2016

Standards Content (Sample)

IEC 62766-2-2 ®
Edition 1.0 2016-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Consumer terminal function for access to IPTV and open internet multimedia
services –
Part 2-2: HTTP adaptive streaming

Fonction des terminaux grand public pour l’accès aux services IPTV et
multimédias de l'internet ouvert –
Partie 2-2: Diffusion en flux adaptatif sur HTTP

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IEC 62766-2-2 ®
Edition 1.0 2016-12
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Consumer terminal function for access to IPTV and open internet multimedia

services –
Part 2-2: HTTP adaptive streaming

Fonction des terminaux grand public pour l’accès aux services IPTV et

multimédias de l'internet ouvert –

Partie 2-2: Diffusion en flux adaptatif sur HTTP

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.170; 35.240.95 ISBN 978-2-8322-3689-5

− 2 − IEC 62766-2-2:2016  IEC 2016
CONTENTS
FOREWORD . 4
INTRODUCTION . 6
1 Scope . 7
2 Normative references . 7
3 Terms, definitions and abbreviated terms . 8
3.1 General . 8
3.2 Terms and definitions . 8
3.3 Abbreviated terms . 9
4 Adaptive streaming in the OIPF IPTV solution . 10
5 MPEG DASH based adaptive streaming . 11
5.1 General . 11
5.2 DASH usage for the TS systems layer format . 12
5.2.1 General . 12
5.2.2 PID allocation . 12
5.2.3 Protected TS content . 12
5.3 DASH usage for the MP4 systems layer format . 13
5.3.1 General . 13
5.3.2 Protected content . 13
5.4 Operational parameters . 14
5.5 Adaptation set audio/video source coding . 14
5.6 MPD requirements, audio description . 15
5.7 Key management of protected contents . 15
6 OIPF HTTP adaptive streaming . 15
6.1 General . 15
6.2 Media presentation . 16
6.2.1 Media presentation description . 16
6.2.2 Component element . 16
6.3 Segmentation constraints . 18
6.4 Signalling of content protection in the MPD . 20
6.5 Media presentation description updates . 20
6.6 Adaptive media formats . 20
6.6.1 General . 20
6.6.2 MPEG-2 transport stream systems layer . 20
6.6.3 MP4 file format systems layer . 22
6.7 Use cases . 23
6.7.1 Live streaming . 23
6.7.2 Trick play . 23
6.7.3 MPEG-2 TS seeking . 24
Annex A (normative) OIPF HAS MPD schema . 25
Annex B (informative) OIPF HAS component management . 26
Annex C (informative) Usage of the MP4 file format in OIPF HAS . 28
C.1 Audio/video synchronization . 28
C.2 Partial representations . 29
Annex D (informative) DASH usage with embedded CSPG . 31
Bibliography . 32

Figure 1 – Content segmentation for HTTP adaptive streaming . 10
Figure 2 – Example of the HAS MPD . 18
Figure A.1 – HAS MPD schema . 25
Figure B.1 – Component management example . 26
Figure C.1 – Example tfad-box . 29
Figure C.2 – Partial representation MP4 example . 30
Figure C.3 – Partial representation retrieval . 30

Table 1 – Role and accessibility descriptor values for audio description . 15
Table 2 – Component element and attributes . 17
Table C.1 – Example audio/video synchronization . 28

− 4 − IEC 62766-2-2:2016  IEC 2016
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
CONSUMER TERMINAL FUNCTION FOR ACCESS TO IPTV
AND OPEN INTERNET MULTIMEDIA SERVICES –

Part 2-2: HTTP adaptive streaming

FOREWORD
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