Media and Entertainment Interest Group - Past Calendar

Joint meeting with CTA WAVE:

• Louay Bassbouss (Fraunhofer FOKUS) and Jon Piesing (TP Vision) will present and discuss the CTA WAVE Streaming Media Test Suite – Devices.

See the liaison statement from CTA WAVE.

This will be a joint meeting between W3C Media & Entertainment Interest Group and CTA WAVE.

C2PA Content Credentials with Andy Parsons and Leonard Rosenthol (Adobe). We'll discuss the trust model and potential benefits of native browser support.

Regular meeting of the Media & Entertainment IG.

Additional agenda items are welcome, please contact the chairs.

Regular meeting of the Media & Entertainment IG.

Additional agenda items are welcome, please contact the chairs.

Regular meeting of the Media & Entertainment IG.

Additional agenda items are welcome, please contact the chairs.

This meeting will discuss the Media Capabilities API, to seek feedback as input to Media WG prioritisation. We'll cover text track capability detection, transitions between codec configurations (e.g., for ad insertion), decoding vs rendering capabilities, and any other issues that you'd like to raise.

Please refer to the meeting slides for more details, and links to related GitHub issues: https://docs.google.com/presentation/d/1pc-Z_6AkXAkoeUCkqsL7kwf6zFFFmff6ra2ta39OkFM/edit

Monthly MEIG meeting. Suggestions for additional agenda items are welcome, please contact one of the chairs.

W3C has received a liaison letter from DVB on signaling of accessibility services. In this meeting, we'll present the liaison and discuss how we want to respond.

Please see details on the mailing list (member-only link).

In this meeting, we'll review some of the main media related topics from TPAC and discuss and plan next steps for each. The agenda includes some of the main items, feel free to suggest anything I may have missed.

[Edit: Fixed the meeting time]

In this meeting Jean-Yves Avenard from Apple will join to give an intro to the Managed Media Source API, and discuss and answer any questions about the API, implementation considerations, or standardization plan. Managed Media Source is implemented in Safari and proposed as an addition to the W3C Media Source Extensions specification.

Please see the presentation from WWDC 2023 and MSE GitHub issue.

The Accessible Platform Architecture WG is planning to produce an updated revision of the Media Accessibility User Requirements, published in 2015.

The purpose of this meeting is to introduce MAUR, discuss goals for a new revision and invite Media & Entertainment IG member input to its development.

Please note that we now use Zoom for our meetings instead of Webex. The Zoom link is in the calendar invite (member only).

In this meeting, Nigel Megitt will present and discuss the Dubbing and Audio Description Profiles of TTML2. This specification defines a file format for the exchange of timed text content suitable for the scripting, voicing and audio mixing of dubbing tracks and audio description for video. Media & Entertainment Interest Group participants are invited to give your input and feedback.

The Color on the Web CG has been working on extending the Web Platform to support High-Dynamics Range (HDR) imagery - starting with adding HDR support to HTML Canvas based on today's practices without precluding future optimizations and extensions.

Pierre-Anthony Lemieux, the CG co-chair, will present:

• the status of the work
• a proposal to start by adding HDR support to HTML Canvas based on today's practices without precluding future optimizations and extensions

and seek feedback.

In this meeting we'll hear from Jordan Holt, who develops the iPlayer TV application at the BBC. He'll describe the BBC's approach to development across TV devices, including device compatibility, local development, testing and deployment, and point to some potential standardisation requirements.

Please note that the meeting time may be earlier than usual, depending on your location, due to daylight saving changes.

Please note that this meeting starts 1 hour earlier than usual, and has a different Webex link. Please use the link in this invite.

This is a Web Platform Incubator Community Group meeting organized by the Media & Entertainment Interest Group.

Please join WICG here: https://www.w3.org/groups/cg/wicg

• TV application developer experience [Chris Lorenzo]
  • Example walk through current TV development process to create a TV app
  • Discuss pros + cons of current development processes
  • Progressive Web Applications
  • Potential development improvements for the future
  • Review draft Task Force charter
• TPAC agenda planning [Chris Needham]
• AOB

Building a performant and polished UI for a TV application using HTML is extremely difficult. While devices have steadily increased their processing power, the CPU is heavily taxed by JavaScript and HTML rendering. Users expect a polished interface with gradients, drop shadows, animations and performance of a native app. However, the more complicated the UI the less time there is to use the main thread to do API / business logic work. In order to achieve 60fps, there is 16ms of processing time per frame and the browser will use most of that to do housekeeping work (see web.dev article on Rendering Performance). Even without any business logic, the UI is regularly janky and with business logic and API calls and lazy loading data, the performance of the UI is too poor to ship to customers.

This is a follow up to our previous discussion during TPAC 2021.

This is a Web Platform Incubator Community Group meeting organized by the Media & Entertainment Interest Group.

Please join WICG here: https://www.w3.org/groups/cg/wicg

This will be a working meeting to review progress of media APIs in development and identify changes needed to update the Overview of Media Technologies for the Web.

We'll look at:

• Specifications that can be moved from "Specifications in progress" to "Well-deployed technologies"
• Updates to the "Exploratory work" sections, based on recent developments in W3C groups
• Updates to the "Features not covered by ongoing work" sections, based on our latest understanding of industry needs

MEIG members are invited to join the meeting, to contribute to the documents, which capture our shared understanding of the status of media related features.

A recent report from DASH-IF on WebRTC streaming discusses the use of WebRTC in low latency media streaming applications and integration with DASH media delivery. The report proposes some extensions to WebRTC, such as session management and signaling, synchronization of captions and timed metadata, security, and metrics and client metadata.

This is a joint meeting between the W3C Media & Entertainment Interest Group and WebRTC Working Group, with invited participants from DASH-IF, to present their findings and discuss next steps for collaboration.

This is a Web Platform Incubator Community Group meeting organized by the Media & Entertainment Interest Group.

Please join WICG here: https://www.w3.org/groups/cg/wicg

This is a Web Platform Incubator Community Group meeting organized by the Media & Entertainment Interest Group.

Please join WICG here: https://www.w3.org/groups/cg/wicg

This meeting will introduce the proposed Interactive Media Community Group.

The Interactive Media Community Group is interested in all forms of interactive media, e.g., branching narratives, digital gamebooks, interactive films, and serious games. This group considers and discusses how standardization can support all forms of interactive media. This group may work on a number of deliverables, reports, and specifications.

https://lists.w3.org/Archives/Public/public-web-and-tv/2022Feb/0000.html

This is a Web Platform Incubator Community Group meeting organized by the Media & Entertainment Interest Group.

Please join WICG here: https://www.w3.org/groups/cg/wicg

This is a Web Platform Incubator Community Group meeting organized by the Media & Entertainment Interest Group.

Please join WICG here: https://www.w3.org/groups/cg/wicg

In this Media & Entertainment IG meeting, Yuhao Fu at Bytedance will introduce two video related API proposals. Media WG members are invited to join, we value your feedback on these proposals:

• video.requestVideoLoadCallback() - a proposal to allow web developers to get response information such as video data, HTTP code, error details, and so on when using <video src="{file address}"> for media playback. See https://github.com/leonardoFu/video-rvlc/blob/main/explainer.md

• <video> SEI events - a proposal to expose h.264 SEI (Supplemental Enhancement Information) events to synchronize interactivity with live video. See https://github.com/leonardoFu/video-sei-event/blob/main/explainer.md

The goal of this meeting is to introduce MiniApps to the Media & Entertainment community, focusing on the (potential) application of MiniApps on TV devices. What can we learn from the development of the MiniApps ecosystem on mobile (and other) platforms?

Media & Entertainment Interest Group meeting at W3C TPAC 2021

Media & Entertainment Interest Group meeting at W3C TPAC 2021

This is a Web Platform Incubator Community Group meeting organized by the Media & Entertainment Interest Group

Please join WICG here: https://www.w3.org/groups/cg/wicg

This is a Web Platform Incubator Community Group meeting organized by the Media & Entertainment Interest Group

Please join WICG here: https://www.w3.org/groups/cg/wicg

This is a Web Platform Incubator Community Group meeting organized by the Media & Entertainment Interest Group

Please join WICG here: https://www.w3.org/groups/cg/wicg

The next Media & Entertainment Interest Group meeting will be on Tuesday 7th September at 14:00 UTC.

(Updated to add meeting link)

This is a Web Platform Incubator Community Group meeting organized by the Media & Entertainment Interest Group

Please join WICG here: https://www.w3.org/groups/cg/wicg

The purpose of this meeting is to gather use cases and requirements for unbounded cues in WebVTT, to inform design decisions such as:

• WebVTT syntax for unbounded cues
• Processing model for updating unbounded cues
• Backwards compatibility with existing WebVTT parsers
• Uniquely identifying cues across multiple VTT files, e.g., when used in segmented media delivery

Resources:

• https://github.com/w3c/media-and-entertainment/blob/master/media-timed-events/unbounded-cues.md

The next Media & Entertainment Interest Group meeting will be on Tuesday 1st June.

In this meeting, Judy Parnall (BBC) and Leonard Rosenthol (Adobe) will introduce the Coalition for Content Provenance and Authenticity (C2PA).

C2PA addresses the prevalence of misleading information online through the development of technical standards for certifying the source and history (or provenance) of media content.

We'll talk about content provenance and why it's important, the technology that C2PA is developing, requirements for web browser features, and areas for potential W3C collaboration.

This is a Web Platform Incubator Community Group meeting organized by the Media & Entertainment Interest Group

Please join WICG here: https://www.w3.org/groups/cg/wicg

Resources:

• https://github.com/WICG/datacue
• https://www.w3.org/TR/media-timed-events

This is a Web Platform Incubator Community Group meeting organized by the Media & Entertainment Interest Group

Please join WICG here: https://www.w3.org/groups/cg/wicg

This is a Web Platform Incubator Community Group meeting organized by the Media & Entertainment Interest Group

Please join WICG here: https://www.w3.org/groups/cg/wicg

The next Media & Entertainment Interest Group meeting will be on Tuesday 6th April. This will be a joint meeting with the Web & Networks Interest Group.

We'll be joined by Jake Holland from Akamai, to talk about the Multicast Receiver API (Chinese translation), which proposes a secure method for browsers to subscribe to one-to-many multicast streams - one of the motivating use cases being live video streaming at scale. The API builds on a number of protocols standardized or in development at the IETF:

• Automatic Multicast Tunneling (AMT) (RFC 7450)
• DNS Reverse IP Automatic Multicast Tunneling (AMT) Discovery (RFC 8777)
• Discovery Of Restconf Metadata for Source-specific multicast (DORMS)
• Circuit Breaker Assisted Congestion Control (CBACC)
• Asymmetric Manifest-Based Integrity (AMBI)

We recommend that you watch Jake's previous presentation (video, slides) for background.

This is a Web Platform Incubator Community Group meeting organized by the Media & Entertainment Interest Group

Please join WICG here: https://www.w3.org/groups/cg/wicg