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Specification for Devices

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2021

Version: 4.20-r121

Date: 20192020-1207-1924

CONTENTS

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

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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.

2. INTRODUCTION

2.1. Scope

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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

Version: 4.20-r1

Data: 2019-12-19

View file
nameVewd Certify for Devices 4.20-r1.pdf
height250

Older versions:

Specification for Devices 2020

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