CTA WAVE Extended Resources

Introduction

This page collects the CTA WAVE extended resources. Some of the documents are public, others are only accessible for CTA WAVE members. The page is separated into different task force and activities:

• Content Specification Task Force
• Device Playback Task Force
• HTML5 API Task Force
• DASH-HLS Interop Task Force

Content Specification Task Force

Published Specifications

• WAVE Content Specification, 2025 Edition, May 2025

Supporting Documents

• Content Specification Task Force Media Profile Wiki
• Content Specification Task Force Issues
• DASH-IF Conformance Software Issues
• Media Profile Approval Process
• DASH Profile for CMAF, ISO/IEC 23009-1:2020/Draft DAM1

Device Playback Task Force

Published Specifications

• Device Playback Capabilities Specification (CTA-5003-B), Published October 2024 (pdf, public)

Specification Development

• Github for comments against specification
• Media Capabilities
  • Draft Specification Update: Media Capabilities
  • Media Capabilities Mapping
  • Media Capabilities Issue Tracker

Test Resources

• Test Runner
  • Repo for the DPCTF Test Runner
  • Repo for DPCTF Tests. We prefer to keep the Tests separated from Test Runner
  • Repo for Docker deployment
• Device Observation Framework
  • Repo for DPCTF Observation Framework
• Test and Mezzanine Content
  • Test Content Public Website
  • Github for Test Content Issues
  • Github for Mezzanine
  • Github for Test Content Generation

HTML5 API Task Force

Published Specifications

• Web Media API Snapshot 2017 (CTA-5000) December 2017 (pdf, public)
• Web Media API Snapshot 2018 (CTA-5000-A) December 2018 (pdf, public)
• Web Media API Snapshot 2019 (CTA-5000-B) December 2019 (pdf, public)
• Web Media API Snapshot 2020 (CTA-5000-C), December 2020
• Web Media API Snapshot 2021 (CTA-5000-D), December 2021
• Web Media API Snapshot 2022 (CTA-5000-E), December 2022
• Web Media API Snapshot 2023 (CTA-5000-F), November 2023
• Web Media API Snapshot 2024 (CTA-5000-G April 2025 update with Errata)
• Web Media API Snapshot 2025 (CTA-5000-H), October 2025

Specification Development

• Web Media API Snapshot (Latest Draft)
• Github for comments against Web Media API Snapshot

Test Resources

• Web Media API Snapshot Test Suites - Online Hosted Versions (unblock port 8050)
  • WMAS2017 Test Suite
  • WMAS2018 Test Suite
  • WMAS2019 Test Suite
  • WMAS2020 Test Suite
  • WMAS2021 Test Suite
  • WMAS2022 Test Suite
  • WMAS2023 Test Suite
• Open Source version (for porting to e.g., smart TVs)

DASH-HLS Interoperability Group

Published Specifications

• DASH-HLS Interoperability Specification (CTA-5005-B), Published January 2025 (pdf, public)

Specification Development

• ISO/IEC 23009-1
  • 4th Edition (Editor’s Versions)
  • ISO/IEC 23009-1 4th edition DAM 1 CMAF support, events processing model and other extensions

Test Resources

Common Media Client Data

Published Specifications

• Common Media Client Data (CTA-5004-A)

Specification Development

• Github issues

CMAF Byte Stream Format Activity

W3C Specifications

• W3C Media Source Extensions
• ISO-based Media File Format (ISOBMFF) Byte Stream Format

Specification Development

• Public Review (pdf)
• Draft CR (doc)
• Issues Tracker