TPEPlatform/2013-07-25

Media

Web Audio

• bug 882171 - Optimize the AudioNodeEngine.cpp routines for NEON / JW
  • fix build error
• bug 875277 - Implement WaveShaperNode.oversample / JW
  • study study audio resampler in libspeex
  • submit a patch
• bug 896353 - Media Recording - Can't record the mediaStream created by AudioContext. / JW
  • submit a patch

Streaming Media

WebRTC

• bug 869869 - e10s for UDP socket / SC
  • update patch, got 2/3 r+
  • create patch for udp-socket permission
  • preparing the performance measurement environment
• bug 896391 - memcpy from camera preview's GraphicBuffer is slow / slee
  • The GraphicBuffer callback by camera preview is non-cached.
  • Trace GonkCamera code and see how to callback both cached(encoding callback) and non-cached(preview callback) from nsDOMCamera
• Implement H.264 support in WebRTC on B2G / John Lin
  • Study OMX API in stagefright
  • Write external codec using stagefright
• bug 853356 - [B2G getUserMedia] Display camera/ microphone permission acquisition prompt by ContentPermmissionRequest / Alfredo
  • Implement ContentPermissionRequest which connects to PIDL ContentPermissionPrompt service

RTSP bug 831645 / Bechen

• RTSP bug 831645
  • waiting for second round review
• bug 877193 - Configure memory usage for RTSP streaming
  • Trying to configure the memory usage in RtspMediaResource by SDP indormation such as sample rate, video size ...,
  • Prepare Perf to estimate the performance

Graphic

Canvas 2D/SkiaGL bug 858237

• bug 875168 Integrate SurfaceTexture / Peter

HWC

• bug 896286 genlock error when drawing the network icon(image layer) / Peter
  • fixed patch provided, but it requires dobule buffers to fix.
  • Confirm bug 858914 (new textureclient/host) fix it or not

Misc

• bug 894262 Merge GrallocPlanarYCbCrImage to GonkIOSurfaceImage / Peter
  • Land to inbound and create bug 897363 as the follow up of image classes inheritance improvement

• bug 894847 WebGL is horrible slow when hardware composer unavailable/ Morris
  • content process keep producing frames makes GPU too busy to generate frame for compositor process.

• Tracking performance for peak device/ Morris
  • peak unable to use gralloc buffer bug 869696
  • Interval time between frames triggered by refresh driver exceed 16ms

• bug 778453 B2G abort when opening a 3D CSS demo /Peter/Jerry
  • analysis: Abort on b2g18, but not on mozilla-central. Check the difference between b2g18 and mozilla-central

Stability

Free Agent

ImageLib

• bug 882526 - Remove Gecko support for WBMP / SC
  • patch r+ and landed on m-c and b2g18.

Crash Reporter

• bug 897289 - b2g process fails to generate the crash report / Cervantes
  • Should be caused by partner's build environment setting or code modification.
  • Will provide diagnosis method to partner.

Study

• TextureClient/Host create buffer, update, locck, unlock flow /Jerry
• Consumer-Driven Contracts: A Service Evolution Pattern / JW

OTA

• bug 891009 - [OTA] Unable to reuse Update object to trigger OTA download again after severe network error in previous download / SC
  • patch r+ and landed on m-c.

Event Handling

• bug 845169 - Target events "properly" at overlapping app frames /Kanru
  • Three method to attack this
    • Send touchable region after each composition
    • Use compositor to decide which process to dispatch
    • Synchronously ask remote process for hit detection
  • Currently trying method #1
• Bug 847763 - Prevent virtual keyboard iframe from getting focus /Kanru
  • Investigating why the keyboard couldn't receive the touch events when OOP
  • It turns out we need to fix bug 845169 first for OOP case

Document / slee

• How to use perf
• Introductions to some tools for newbies

memory shrinking

• try to write out near-read-only anonymous memory / Ting-Yuan

emscripten

• help Zhang Pin to port pinyin and analyze the performance / Ting-Yuan