Page tree

Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

HideElements
metastrue
commentstrue
childpagestrue
toolstrue
labelstrue
likestrue

Specification for Devices

...

2022

Version: 4.2122

Date: 20202021-0709-2402

CONTENTS

Table of Contents
include^[0-9].*
excludezzzzz(^Apps.Req|^CONTENTS)

...

Version Number

Chromium

Date

Comment

4.9.0

53.0

2016-08-18

Publication release

4.9.0-r1

53.0

2016-11-04

Changes:

  • Removed text about terminal-defined behaviour in the exit key. The application may now manage this key event freely.
  • The Application MUST handle both VK_BACK_SPACE and VK_BACK.
  • The Application MUST support HD, Full HD or both resolutions
  • Removed mention of viewport META tag
  • The Application MUST explicitly set colors
  • Restructured content
  • Improved clarity and grammar

4.10

56.0

2017-03-16

Publication release

Changes:

4.10-r156.02017-09-14
  • Rebranded to a new company entity
4.1159.02018-02-19

Changes:

  • Updated Chromium version
  • Fixed MSE reference [30]
  • Added sections on HDR and 4K video support
4.1263.02018-04-03

Changes:

  • Added cipher suites requirements: section 3.10.4.

  • Added Advert Insertion performance requirements: section 3.11.2.

  • Devtools must be disabled: section 3.10.5.

  • Added requirement for MPEG-DASH period in section 3.2.3.2.1. 

  • Added requirement for PlayReady automatic license acquisition: 3.5.1.2.

4.1367.02018-07-20

Changes:

4.13-r167.02018-02-05

Changes:

  • Added AV1 codec requirements: section 3.6.2

  • Added Ogg Vorbis audio codec requirements: section 3.6.3

  • Added CustomData and License Acquisition override feature optional requirement 3.5.1.2.1 

  • Removed VP8 requirement.

4.2077.02019-09-20

Changes:

  • Added Dolby AC4 codec and Dolby Atmos requirements: section 2.4.1.2.
  • Added Marlin DRM requirements: section  3.5.1.5.
  • Added image rendering performance requirements: section 3.11.3.
4.20-r177.02019-12-19

Changes:

  • Added CBCS requirement for PlayReady and Widevine DRM: section 3.5.1.4
  • Added CMAF requirement: 3.6.4
  • Stricter Widevine and PlayReady DRM security level requirement
4.2184.02020-07-24No changes in requirements.
4.2292.02021-09-02

Changes:

2. INTRODUCTION

2.1. Scope

This document specifies the requirements that must be met by devices in order to be part of the Vewd Certify Program.

...

Container

Audio codecs

Video codecs

DRM

DRM Trigger

In-band subtitle

MIME type

ISO BMFF

AAC-LC

HE-AAC v1

HE-AAC v2

MP3

Dolby AC3

Dolby AC4

Dolby E-AC-3

H.264

H.265

None

None

Supported

application/dash+xml

ISO BMFF

AAC-LC

AV1

None

None

Supported

application/dash+xml

ISO BMFF

AAC-LC

HE-AAC v1

HE-AAC v2

MP3

Dolby AC3

Dolby AC4

Dolby E-AC-3

H.264

H.265

ClearKey

PlayReady

Widevine

EME

Supported

application/dash+xml

...

Specification for Devices 2022

Version: 4.22

Date: 2021-09-02

View file
nameVewd Certify for Devices 4.22.pdf
height250

Older versions:

Specification for Devices 2021

Version: 4.21

Date: 2020-07-24

View file
nameVewd Certify for Devices 4.21.pdf
height250

Older versions:

Specification for Devices 2020

...