UHD TFFeatures sub-group

January 13th, 2014

Features Group Chair

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Features Sub Group

Mission of Features SG Define Use Cases (including Digital Bridge) for next generation 

UltraHD ‐ BD and Legacy BD  Develop the requirements for a specification to meet the approved 

Features Study Group recommendations 

Chair Group Chair : Panasonic ( Masayuki Kozuka) TP Vice Chair: Philips (Weibe De Haan) CP Vice Chair: TBD 

Define Use case- Background: Needs for SFF -

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Features SG Chair’s understanding on Hollywood Studio

Hollywood studios have their own “Digital” strategy to meet the current U.S. market.  Increasing digital sales (Electronic Sell‐Through: EST) is required to make up for a 

fall of package sales. However, Apple dominates the market (see figure EST on the lower‐right), followed 

by threatening Amazon. The studios except Disney are doing UV (DECE) to support of Blu‐ray sales (provision of 

contents for mobile as an added bonus of Blu‐ray) and promotion of EST.  They think one common ecosystem/format for both EST services and Blu‐ray Bridge

are essential to explosive diffusion of Digital Content Business.

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Chair’s understanding of use case of  BDA Bridge

By appealing for a) Home movie library and b) Bridge to mobile devices (e.g. tablet) to users after converting Blu‐ray contents (UHD/FHD) into industry standard format (SFF：Standard File Format), Hollywood Studios are aspiring to accelerate the expansion of c) EST business by promoting SFF ecosystem.

The studios decide to set up one industry standard format and one ecosystem for both EST and Blu‐ray Export/Bridge.

SFF Content from BD

UV EST services server（e.g. VUDU、XBOX）

SFF

SFFSFF

SFF Contentfor EST SFF

a) Home Movie Library

b) Bridge to mobile devices

c) EST service Business

Existing BD, UHD BDBDA scope

Another EST services server

SFF SFF

SFF

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Record labels

Reference: Apple Music World (Disc & Digital)

Apple created total Music ecosystem from CD export functionality (respect user‘s music assets: “CD collection”).

Users enjoy music by using both Music server (iTunes) and Portable music devices (iPod & iPhone)

Even Apple store (Music download) is very popular, but most music content in Music server (iTunes) still came from CDs.   

CD

CD export

Music Server

Apples Portable devices

Apple Music world

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Hollywood Studios 

Potential ideal digital movie ecosystem

Considering Apple Music ecosystem, interoperability among EST services, BD export, Home Movie library and Portable devices is essential for total movie eco‐system. One Standard File Format : SFF (including Common encryption) is important

But there are many EST services exist and each studio may have deferent idea.  Can we/BDA agree this basic concept? How can we/BDA make it happen? 

HDD

Blu-ray

EST service sites

Home Movie Library

BD Export

Movie devices

Ideal Movie World

Smart TV

Tablet

SFF Player S/WSFF/CE

SFF

SFF

SFFSFF

SFF/CE

SFF Player S/W

SFF Player S/W

SFF Player S/W

Smart TV

SFF/CESFF/CE

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A Goal of SFF ecosystem SFF compliant content are used in various EST services and various SFF

players on hardware and software systems. (HW/SW). The proposed BDA-SFF implementation will support File Export functionality

only with no elementary stream transcoding (No trans-crypting?).

BDA-SFF content

Export

SCSA EST servicesSCSA-SFF content

vudu-SFF content

Apple

vudu site

Amazon

Google

SFF compliant contents (EST/Download)No transcoding

(No trans-crypting?)

Disney-SFF Player

SCSA-SFF Player

SFF playback capable players

BDMV

SFF???

CE SFF Player (e.g. Smart TV, UHD Blu-ray)

Define Use case- concerns & confirmation issues -

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Blu‐ray UHD player with Bridge/Export function

In BDA scope, Same Blu‐ray UHD format (BDMV FE) & Next Gen AACS must be used in Blu‐ray UHD disc, device‐bound copies and Blu‐ray UHD download 

Blu‐ray UHD player exports Blu‐ray UHD content with Next Gen AACS  protection to AACS decrypter, which converts Blu‐ray content to outside DRM and outside or/and Blu‐ray format and store to portable device and HDD

Blu‐ray Player with HDD i/f

BDA ScopeNext Gen. AACSTitle Key server

４K映画

HDMIBDMV FE Format decoder

４K Image

USB, etc.

BDMV FE Format

Blu‐ray / AACSContent server

BDMV FE Format

DownloadBDMV FE Format

device‐boundcopy 

JUST COPY Function

Next Gen AACS

Next Gen AACS Next Gen AACS

BDA defined SFF AV decoderOutside DRM decrypter

Format Converter

４K映画BDA defined SFF (AV only)

Outside  DRM

Additional rules1. One Common Outside file format (SFF: A/V data 

only) defined by BDA 2. Blu‐ray player must have format conversion & AES 

encryption functionality (Common encryption).

AES encrypterNext Gen. AACS decrypter

AdditionalBDA Scope

Export

Outside Navigation Format

Outside Navigation Format

FromInternet

Final agreementin Bangkok

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Blu‐ray UHD player with Bridge/Export function

In BDA scope, Same Blu‐ray UHD format (BDMV FE) & Next Gen AACS must be used in Blu‐ray UHD disc, device‐bound copies and Blu‐ray UHD download 

Blu‐ray UHD player exports Blu‐ray UHD content with Next Gen AACS  protection to AACS decrypter, which converts Blu‐ray content to outside DRM and outside or/and Blu‐ray format and store to portable device and HDD

Blu‐ray Player with HDD i/f

BDA ScopeNext Gen. AACSTitle Key server

４K映画

HDMIBDMV FE Format decoder

４K Image

USB, etc.

BDMV FE Format

Blu‐ray / AACSContent server

BDMV FE Format

DownloadBDMV FE Format

device‐boundcopy 

JUST COPY Function

Next Gen AACS

Next Gen AACS Next Gen AACS

BDA defined SFF AV decoderOutside DRM decrypter

Format Converter

４K映画BDA defined SFF (AV only)

Outside  DRM

Additional rules1. One Common Outside file format (SFF: A/V data 

only) defined by BDA 2. Blu‐ray player must have format conversion & AES 

encryption functionality (Common encryption).

AES encrypterNext Gen. AACS decrypter

AdditionalBDA Scope

Export

Outside Navigation Format

Outside Navigation Format

FromInternet

Final agreementin Bangkok

Concern 1: Export to WHOM?How can user understand this unknown functionality in the UHD Blu‐ray player?  How to explain to user about this Bridge functionality and SFF data?

User Experience is Key factor of success:Several concerns from the UHD Blu‐ray device users’ view points=> How to realize Simple, Easy, Understandable User experience

Concern 2: Export speed?How long does export take in UHD Blu‐ray player?

Concern 3: Playback of Export content in UHD playerHow can user use (or even verify) this exported SFF content in the UHD Blu‐ray player?   

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UHD, new and legacy Blu-ray disc UHD Blu-ray device will handle these three types of discs1. UHD Blu-ray disc: BDMV-FE and New data for supporting Export2. New Blu-ray disc: No change for BDMV, but New data for supporting Export3. Legacy Blu-ray disc：No change for BDMV nor new data.

How to realize “Export” for Legacy Blu-ray disc? “Data for Export” for legacy Blu-ray should be prepare in a Web site (Studios’ or BDA?)

A DRM (TK)４K映画

Internal HDDPortable HDD

Portable HDD

SFF (AV only)Com. Enc.

BDMV(HEVC)N.Gen. AACS

BDMV(Navi)Data for Export

BDMV(AVC)AACS

BDMV(Navi)Data for Export

BDMV(HEVC/AVC)N.Gen. AACS

BDMV(Navi) A DRM (TK)SFF (AV only)

Com. Enc.

Mobile Device/Media

SFF/Common Encryption WorldBlu-ray World

ExportNew

BDMV(AVC)AACS

BDMV(Navi)Legacy Data for Export

UHD Logo

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Use case of UHD Blu-ray disc (Packaging)

Reference: 3D Blu-ray One of key Blu-ray 3D feature/concept is 3D/2D compatible disc, so BDA

introduced new MVC for 3D (compatible with 2D AVC playback device)

3DTV

2DTV

3D

2D

2D

3D

2D

2D

3D SKU

2D SKU

3D

2D

2D

3D format design concept/assumption

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Use case of UHD Blu-ray disc (Packaging)

Reference: 3D Blu-ray Most 3D SKU has 3D only disk and 2D Blu-ray disc (3D only + 2D SKU) No need 3D/2D compatible disc concept If we understood this, then Blu-ray 3D format must be more simple and no need

to huge investment for development for devices, Authoring, Verification, etc.

3DTV

2DTV

3D

2D

2D

3D

2D

3D SKU

2D SKU

3D

2D

2D

Reality: 3D use case & 3D SKU 

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Use case of UHD Blu-ray disc (Packaging)

UHD Blu-ray disc only for UHD Blu-ray Device, must NOT play on current Blu-ray device. (We have already agreed) => No need UHD/Blu-ray compatible disc.

We can expect that UHD SKU should include the current Blu-ray disc. UHD format should be simple (focus on UHD and Bridge use case), then no need to huge investment for development for devices, Authoring, verification, etc.

UHDTV

FHDTV

UHD

FHD

UHD SKU

2D SKU

Agreed: UHD use case

UHD

FHD

FHD

FHD

FHD

UHD

UHD Logo UHD 

Logo

UHD Logo

If CP wants to include 3D disc, then use 2D/3D/UHD 3disc SKU.

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UHD, 3D and Blu-ray disc

UHD Blu-ray device will handle these three types of discs1. UHD Blu-ray disc: Bound copy: BDMV-FE and Export: UHD SFF2. Blu-ray 3D disc: Bound copy: MVC and NO Export3. Blu-ray disc：Bound copy: BDMV and Export: FHD SFF

Internal HDDPortable HDD

Portable HDD Mobile Device/Media

SFF/Common Encryption WorldBlu-ray World

Export

UHD Logo

UHD BDMV

UHD SFF

UHD SFF

FHD SFF

FHD SFF

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Digital copy and Blu-ray UHD Package

Most new Blu-ray titles include Digital copy features (UV, Apple, etc) Clear distinguish between Digital copy and Blu-ray Export features/use case. Export should meet Ultra/Very high quality Digital Content (SFF) to match users

needs (MUST keep Blu-ray Image Quality: No re-encoding)

BD Combo

UHD ComboUHD Logo

Digital SFF worldUHD SFF

FHD SFF

ExportUHD (Ultla High Quality)

FHD (Very High Quality)

FHD‐SD (High Quality)

Apple worldFHD‐SD (High Quality)

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Concern: How and who defines SFF BDA-SFF can be defined by BDA, but SFF should be used many services and

devices. At least BDA, UV and other major EST servicer should be involved.– Who can define, maintain, own and license of SFF spec?– Can we agree to basic requirements and design direction by BDA?– Can we agree relationship between MP4, SFF, CFF and BDA-SFF with out

side BDA organazations?– Can we agree minimum set of SFF for SFF player(software and device)?– Can we agree one common encryption scheme?– Can we agree multiple DRM support and its infrastructure for SFF?

SFF CFF

BDA-SFF

MP4 spec

SFF/BD

UV EST services server（e.g. VUDU、

XBOX）

SFF

SFFSFF

SFF/ESTSFF

a) Home Movie Library b) Bridge to

mobile devices

c) EST service Business

BD & UHD BDBDA scope

Another EST services server SFF SFF

SFF

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Digital Bridge: Multi DRM Support

One common Export File: SFF and Common Encryption is essential Same common encryption method allows simple export, User does not need

to choose output DRM/devices. Exported SFF file can be used by any DRM/Device

BDA-SFF content

C-EST SFF PlayerUHD Blu-ray Device

A EST-SFF Player

B-EST SFF Player

Export

DRMa)

DRM c) DRM c) Sites

DRM b) DRM b) Sites

DRMb)

DRMc)AACS

TK for BDA‐SFF

One export file forevery authorized DRMs

AACSAACS‐Export TK Sites

TK for Export

DRM a) DRM a) Sites

TK for BDA‐SFF

TK for BDA‐SFF

TK for BDA‐SFF

TK for BDA‐SFF

TK for BDA‐SFF

TK for BDA‐SFF

AACS

Invitation of Contributor

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SG chair’s request

BDA BoD three studios’ opinions and Business intention might be different.

To understand Studios Digital Broadband business and Blu‐ray business, I would like to get and share non BoD studios’ opinion & comments which will enhance the clout of TF recommendation.

I request to UMDTF members,  I would like to invite key person who involved Digital distribution and Blu‐ray from Universal Pictures and/or Paramount pictures to Features SG and other SGs as deemed necessary.

At least, for Universal, Universal is a contributor member company, so we do not need to make special NDA to this activity, like a MediaTek.