TPEPlatform/2013-06-13

Media

MediaEncoder bug 879688

• The framework and encoding pipeline of MediaEncoder bug 842243 / Shelly
  • Fixed compiling errors on try-server.
  • review: landed

• WebAudio stack-buffer-overflow crash bug 882956/ Shelly
  • Just assigned.

• Add support for multi-track encoding to audio encoder bug 882603 / Shelly
  • Reported future feature.

Media Source Extension

• Study W3C spec/ John

MediaRecorder

• read documents / JW
  • Android MediaRecorder class
  • media content format (format vs. codec)
  • W3C MediaStream Recording
  • W3C MediaStream Capture Scenarios
  • W3C HTML Media Capture
  • Media Capture and Streams
• study document / Alfredo
  • study AudioChannel, talk to Marco.
  • study MediaStreamGraph, tracing code from its mochitest sample.

Web Audio

• read documents / JW
  • W3C Web Audio API
  • W3C Web Audio Processing: Use Cases and Requirements
  • trace code - content/media/webaudio

Streaming Media

WebRTC bug 750011

• UDP E10S performance benchmark bug 869869/ S.C
  • Starting the review process with ekr.
  • Try merging e10s code with StevenLee's performance tuning work.
  • Preparing for the socket performance tooling section in WebRTC workweek
• Enable WebRTC C++ unit tests on b2g bug 865956/ John
  • fix the slowness problem when running full signaling test suite. (By flushing main thread event queue)
  • sync latest m-c code and find a regression.
  • investigate the root cause of regression. (new nr_stun_get_addrs() introduced in bug 867933 failed in current C++ test environment)
• Audio latency problem /Steven
  • trace decode/encode/sending paths of audio
  • check whether audio data is delayed in encode/decode/sending paths
  • prepare the material for work week

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RTSP bug 831645 / Bechen

• RTSP bug 831645
  • waiting for review
• bug 877116 - [RTSP] audio playback latency is serious with the following media streams(Video:H.264 Audio:AAC)
  • The aac audio is corrupt when using hw decoder. Maybe it's a hw issue.
• bug 877065 - RTSP integration test / William Hsu
  • We are trying to use the gaia-ui-test to verify the functionality of RTSP streaming.
  • Adding test case.
• bug 879670 - Video frames reordering when playing Rtsp streaming. / Peter Chang
  • The issue seems not relative to rtsp, may be ImageHost/ImageBridge issue.
• bug 878699 - RTSP user story, audio live stream in background?
  • see also bug 815069 - [Audio] A mechanism for Gecko components without media element to join audio competing policy

Graphic

Canvas 2D/SkiaGL bug 858237

• Bad performance of fishie tank bug 869199 / Peter
  • debug
• Crash when skiaGL enabled bug 881169 / Peter
  • land
• Integrate SurfaceTexture bug 875168 / Peter
  • analysis: Consider the gralloc buffer lifecycle

HW Composer

• Wrong colorspace of gl rendering content bug 881460 / Peter
• review

Free Agent

Memory Shrinking & Performance Tuning

• Explicit page remapping and copy-on-write support in Linux kernel bug 877037 / TingYuan
  • Analyse the writes that trigger COW and cancel out the optimization.
    • Most of the writes are from IPCs.
    • Most of the IPCs are from logs to console.
    • Most of the logs are script errors.
  • WONTFIX
• Lots of IPCs caused by mozilla::dom::PContentChild::SendScriptError bug 881191 / TingYuan
  • In release builds console is disabled and elimiates all IPCs.
  • RESOLVED DUPLICATED
• (Nuwa) Investigate implementing Gecko "template" content process bug 771765 / Cervantes
  • Update patches for the issues in the review comments
    • Renames, grammar fixes.
    • More documentation in the code.

IPDL enhancement

• Protocol passed through arguments should be a friend class bug 783451 / User:Kanru
  • Wrote a patch to add a test case for it.
    • Reviewing

Power / Wake Lock

• "Assertion failure: count.numLocks >= count.numHidden" switching tabs in full-screen mode bug 880468, bug 809671 / User:Kanru
  • Investigated and found that this bug didn't uplift to b2g18-v1.0.1
    • Uplifted to b2g18
• [System] WakeLock needs to be released when app switching bug 880609 / User:Kanru
  • Investigated and found it's a gaia issue

Geolocation

• B2G Multi-SIM: add MSimRadioInterfaceLayer bug 814581 / User:Kanru
  • Discuss and review patch from vicamo
    • Reviewed

FM radio

• FM radio callbacks FM_RADIO_OPERATION_ENABLE when trying to disable it bug 880162 / Steven
  • landed

FocusEvent

• Support for DOM3 focusin/focusout bug 687787 / Alfredo
  • Add mochitest
  • On going review process

Web Animation

• Study the spec on W3C. /Shelly
  • Finish the part of Timing Model.