Firefox OS/Stingray

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The Project

  • The Stingray project is an initiative to enable Firefox OS platform to run on larger screen TV

Key Mozilla Team Members

  • Product Marketing: Jane Hsu
  • PM: Joe Cheng
  • EPM: Jenny Liu
  • UX: Mike Tsai / Hunter Luo
  • Engineering: Keven Kuo
  • Gecko
    • Marco Chen
    • Shian-Yow Wu
    • Gene Lian
    • Shih-Chiang Chien
    • Gina Yeh
    • Shelly Lin
    • Solomon Chiu
  • Gaia
    • Evelyn Hung
    • John Hu
    • Rex Lee
    • Gary Chen
    • Luke Chang
    • Tzu-lin Huang
    • Sherman Chen

Ongoing work

Gaia

System Architecture

Applications

Others

  • Build system supports multiple devices - bug 979784 landed to master by Gary Chen
    • Step 1. Add 'GAIA_DEVICE_TYPE' flag in gaia build system.
    • Step 2. New apps.list structure for multiple-devices.
    • Step 3. Overwrite common-setting.json from build/GAIA_DEVICE_TYPE/settings.js
    • Step 4. Remove distribution_tablet folder from gaia code base. bug 996461
      • Step a. Let homescreen APP's build system support 'GAIA_DEVICE_TYPE' flag.
      • Step b. Let wallpaper APP's build system support 'GAIA_DEVICE_TYPE' flag.

Web API

  • TV Manager Web API - bug 998872
    • It is on going to polish a first version then open to public space. ex: Bugzilla and dev-webapi@lists.mozilla.org.
  • Input Ports Web API - bug ?
    • The purpose is to let web app show media stream and detect plug-in status from HDMI/AV cable.
    • It is on going to discuss for leveraging getUserMedia series Web API.
  • HTMLMediaElement.audio/videoTracks Web API - bug 744896
  • MediaStream
    • Implement Track related methods and events in MediaStream.webidl - bug 985265
    • Create a new type of MediaStreamTrack for text and metadata - bug 987501
  • Expose a client UDP datagram socket API to web application - bug 745283

Gecko

Media

    • Implement Track related methods and events in MediaStream.webidl - bug 985265
      • Not necessary for this TV project, but would benefit the user experience of using front/end camera with getUserMedia a lot.
  • Internal Only
    • Add a new kind of MediaStream to by pass our media pipeline - bug 987498
      • aka. HWOverlayMediaStream.
      • Construct a new kind of MediaStream, this would be an abstract layer, indicating its media resource is fetched from a particular hardware driver.
      • By pass our MediaStreamGraph pipeline, and hook up its listeners with HAL interface specific to the platform.
    • Create a new type of MediaStreamTrack for text and metadata - bug 987501
      • In order to let MediaStream handle tracks such as subtitles, captions, metadata.
  • HW Key Management - bug 989198
    • Capturing & bubbling phase between system app & it's nested iframe. Wiki
    • Work with Keyboard app.
    • How to detect which keys are supported by platform?
  • Allow nested oop <iframe mozbrowser> without nested content processes - bug 879475
    • Just be transferred to stream 3.
  • To enable NPAPI

V2.1 Scope

Full Query
ID Summary Component Status Resolution Assigned to Depends on Blocks Whiteboard Feature b2g Blocking b2g Target milestone
744896 [Stingray] Support HTMLMediaElement.audioTracks and videoTracks Audio/Video VERIFIED FIXED Shelly Lin [:shelly] 1000944, 1077274 778617, 893309, 1022524, 1026351, 1031141 [FT:Stream3][2.1-feature-qa+] 2.1 --- mozilla33
745283 Expose a client UDP datagram socket API to web applications DOM: Device Interfaces VERIFIED FIXED Shih-Chiang Chien [:schien] (UTC+8) (use ni? plz) 1038373, 750563, 839757, 869869, 1080096, 1085309 1056444, 1896984, 751172, 984108, 1031141, 1060250 [FT:Stream3][dependency: marketplace-partners][2.1-feature-qa+] 2.1 --- 2.1 S3 (29aug)
812403 Support wake locks in nested content processes Hardware Abstraction Layer (HAL) RESOLVED FIXED Kershaw Chang [:kershaw] 761935, 1020135, 1033984 [nested-oop][FT:Stream3] 2.1 --- 2.1 S1 (1aug)
1005818 A new 'embed-widgets' permission exposing to privileged apps for solving widget case. General VERIFIED FIXED Junior [inactive] 980929, 1002336, 1031141, 1043110, 1052328, 1052334, 1053724 [FT:Stream3][2.1-feature-qa+] 2.1 --- 2.1 S3 (29aug)
1020204 Allow creating nested oop MozApp iframe General RESOLVED FIXED Kershaw Chang [:kershaw] 1046033 1020135, 1033984 [nested-oop][FT:Stream3] 2.1 --- 2.1 S2 (15aug)
1033984 Nested-OOP support for v2.1 DOM: Content Processes VERIFIED FIXED Marco Chen [:mchen] 812403, 1020204 1020135, 1031141 [FT:Stream3][2.1-feature-qa+] 2.1 --- 2.1 S3 (29aug)

6 Total; 0 Open (0%); 2 Resolved (33.33%); 4 Verified (66.67%);


Presentations

Backlog

  • Introduce a new layer type to represent HW overlay frame.
  • Introduce a new interface for compositor to pass position info into outside of Gecko.
  • Introduce a new interface for decoding image through HW component.
  • Introduce a fake tuner driver/HAL for B2G emulator.
  • Feature detection for TV category. ex: 4 color keys / no touch.
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