TPEPlatform/2014-01-23

Media

• bug 959861 - Play fragmented MP4 will assert. / Ayang
  • Landed.
• bug 961618 - [MediaEncoder] Reduce ISOMediaWriter memory usage / Ayang
  • Get r+, but it depends on Bug 959021.

• bug 957841 - MediaRecorder crash [@ mozilla::dom::MediaRecorder::Session::AfterTracksAdded]
  • r+ for jsmith, roc r? again for fix more problem.

• bug 960243 - Bad audio quality with MediaRecorder / JW
  • resampler/opus encoder buffer problem, transfer to JW
  • cause: frame number (after resampling) exceeding the length of an Opus packet and resulting in frame loss and a discontinuous tone.
  • fix: calculate in/out frame numbers before resampling so that frame number after resampling will be exactly the length of an Opus packet.
  • submit a patch for review.

• bug 916135 - Investigate webaudio mochitest timeouts on B2G / JW
  • patch landed

• bug 962883 - Fix & re-enable test_mediarecorder_creation_fail.html on emulators / JW
  • cause: timing issue caused by SpecialPowers.setBoolPref
  • fix: use SpecialPowers.pushPrefEnv to ensure pref value change is complete before proceeding test

• bug 961925 - Add AC_DEFINE(MOZ_OMX_ENCODER) in global configuration file. / John Lin
  • patch landed

• bug 963502 - [MediaEncoder] OMXAudioEncoder will be out of input buffers if input segment is too big. / John Lin
  • preparing patch.

• bug 891705 - [MediaEncoder] Implement WebM 1.0 container writer / bechen
  • integrate patches
  • fix try server error

WFD

• bug 952359 - capture video for WFD / vichen
  • study render and composition process, start to test by using WebRTC
  • bug 742832 do similar job, test using Fennec ok, test on b2g
  • try to implement MediaEngineScreenVideoSource
  • discuss with Screen Capture
• bug 952361- capture audio for WFD / vichen
  • not start
• Study potential standard for FoxCast tab cast device discovery
  • bug 914579 study network service
  • http://www.w3.org/TR/discovery-api/

Streaming Media

• bug 952220 - Cannot send a blob from a FxOS phone to a connected remote peer via Data Channels / slee
  • r+ but has memory leak problem.
  • An easy way to debug reference count problem, "XPCOM_MEM_LOG_CLASSES=[class name] XPCOM_MEM_REFCNT_LOG=[1 || 2 || file path] ./apprunner".
• bug 960856 - Cannot communicate audio in a P2P call from Taipei's Mozilla Guest network to a home network / slee
  • It's resulted from that b2g does not support TCP turn.
• bug 948826 - Create a UI automated test case to test permission prompts in a privileged app for contacts & device storage / slee
  • atsai's patch was landed but backed out. I found that it's not atsai's fault, asking for re-landing.

• bug 945603 - [RTSP][Gaia] Support Rtsp Protocol in URL Bar on b2g Browser /bechen
  • fix the ref count of RtspMediaResource

Graphics

• bug 945082 - lockscreen fade-out animation is still < 60fps / Jerry
  • Add more condition for temp surface
  • Add layer border to show temp surface usage
  • Add a new css property to fix the maximum buffer size for scaling animation
    • http://dxr.mozilla.org/mozilla-central/source/layout/base/FrameLayerBuilder.cpp#2946

• bug 959487 - [MediaEncoder] Crash at imageclient when using MediaEncoder / Peter
  • Found buffer release timing are different betwen video sw decoder and hw decoder

• bug 960892 - [open c]screen flash after runing multiple apps / Peter
  • Found it may be related to Fence inside HWC. Download the source code now.

• ScreenRecorder (LayerStreaming) / Peter
  • High level design
  • https://docs.google.com/a/mozilla.com/document/d/1Ae4K6FzVZUzboqZ5ofGfdbU3CJlHZdQCdpHPoy1ar6s/edit#heading=h.nxygpl97ske1

• bug 926128 - reduce layer programs in use to 6, add colormatrix and blur support /Morris
  • Precision error causes reftest failure.
  • Still have some reftest errors on fennec

• bug 960380 - [LayerScope] Persist scoping data /Morris
  • submit a wip patch
• bug 922680 - Run b2g reftests out of process / alin
  • study reftest arch
  • intended to enable OOP by default except for unexcepted errors(file bugs).

• bug 959089 - Separate GrallocBuffer allocations from Compositor thread / Chiajung
  • submit WIP patch v2(working patch)
  • discuss with others about how to make things done in right way

• ScreenRecording / Chiajung
  • Study current code flow
  • Discuss high level design
  • Try to fine tune current path

Input

• bug 955987 - [Text Selection] Change selection status in FrameScript /vilin
  • Need to pass event not going through DOM.
  • (Support Bug 924692) To select a text after being long-pressed.
  • FrameScript already can receive "LongPress" event from APZC or non-APZC.
  • Study Web API about Selection/Window. Figuring out how to manipulate it after receiving "LongPress" event.

Platform

• Preparation for MADAI camera meeting. /CTai
• Meeting with LG and Mozilla Gaia media guys for MADAI advanced camera features. /CTai

ImageLib

• bug 878577 - Provide a hard limit for decoded image buffer / SC
  • update patch according to review comments, get r+'ed
  • writing testcase before landing the patch.

Necko

• bug 952927 - Expose raw data on UDP socket messages / SC
  • bug mentoring for contributor and doing review over IRC.

Study

• App Manager implementation / SC
• about:memory for B2G implementation / SC
• about:config implementation on Firefox / SC
• 3GP spec. study / Ayang
• Study opus on MP4 / Ayang
• Check skia debugger and think how to integrate into gecko /Peter
  • http://dev.chromium.org/developers/how-tos/trace-event-profiling-tool
• Android video recorder & camera data path / John Lin