TPEPlatform/2013-08-01

Media

Media Recorder

bug 898952 - Media Recording - Avoid to record a stopped MediaStream /rlin
- r+ for fixing memory leak, provide test case.
bug 896353 - Media Recording - Can't record the mediaStream created by AudioContext. /rlin
- r+, wait roc's patch for TrackUnionStream.h track's tick problem.
bug 898343 - gUM - [B2G getUserMedia] Use ContentPermissionPrompt to display microphone permission prompt/Alfredo
- in patch revew process
bug 853356 - gUM - [B2G getUserMedia] Display camera/ microphone permission acquisition prompt - permission name proposal patch /Alfredo
bug 898986 - gUM - [B2G getUserMedia] Display correct string and icon for gUM audio permission dialog./Alfredo
- dicuss the implementation design

Shelly:

bug 895730 - MediaRecorder - Can't get any encoded data from encoder when recording the mediaStream with mute audio
- review+, landed.
bug 894341 - MediaRecorder Assertion failure !ogg_stream_eos(&mOggStreamState) (No data can be written after eos has marked.) and crash [@mozilla::OggWriter::WriteEncodedTrack]
- review+, landed.
bug 899935 - Stopping the MediaRecorder does not recieve a TRACK_EVENT_ENDED event from callback
- Issue reported.
bug 899030 - [MediaEncoder] Use PR_LOG to print debugging info
- Issue reported.
bug 900811 - Media Recording - Encoder fail to shutdown when closing the browser tab during recording a fake gUM
bug 900427 - Media Recording - encoder can't be cancelled

Web Audio

bug 875277 - Implement WaveShaperNode.oversample / JW
- trace code - up/down sampler
- blink up/down sampler integration
- implement based on libspeex
bug 878015 - WebAudio ASSERTION: Something went wrong with rounding to block boundaries: 't == aTo' / JW
- debug round up error in some corner cases

WebRTC

bug 869869 - e10s for UDP socket / SC
- update patch according to review comment and waiting for review
- measure e10s overhead, about 2% cpu overhead
- fixing UDP test case fail on Windows platform
bug 896391 - memcpy from camera preview's GraphicBuffer is slow / slee
- MediaEngineWebRTCVideoSource can input 2 kinds of buffers into MSG(There are still some problems need to fix)
Prototyping HW codec support for WebRTC on B2G / John Lin
- implement WebRTC external codec using stagefright OMXCodec API

Canvas 2D/SkiaGL bug 858237

bug 864222 - Fail to lanuch everything.me with skiaGL Canvas / peter
- Works on m-c because of canvas contenxt demote patch
bug 899408- [B2G]Fail to enable skiaGL canvas because white list checking / peter
- Attached debug patch
Profiling "Cut the rope" low fps with skiaGL canvas / peter
- mac could run upto 60 fps but b2g only got 8 fps
- Found some issues related canvas context demote patch
bug 880114 - Enhance render video-to-canvas2D performance by GPU-based color space conversion / chiajung
- Start to implement in a way to avoid scatter therelated code and pass GLContext around

OTA

Bug 888833 - [OTA] After tried to manually check for updates, it showed error message / SC
- investigating the reason of TCP timeout while accessing leo update server
- see dup/out-of-sync packet in tcpdump, should be a problem in server side.

Tools introductions

https://taiwan.etherpad.mozilla.org/267 / slee
- Thanks Cervantes's and JW's help

Event Handling

bug 845169 - Target events "properly" at overlapping app frames /Kanru
- Implemented async hit region update.
- First round of review.
bug 847763 - Prevent virtual keyboard iframe from getting focus /Kanru
- Decided to add a new attribute "ignore-focus" for mozbrowser
- Should be very straightforward to implement