TPEPlatform/2013-11-28

Media

GetUserMedia

bug 940045 - The origin displayed in the persistent notification matches the location bar, not content \ SC
- We should send page URL directly from content process.
- patch was uploaded and get 3/4 r+'ed.
bug 940075 - crash in mozilla::dom::PBrowserChild::SendRecordingDeviceEvents(nsString const&, bool const&, bool const&) \ SC
- TabChild is garbage collected after loading other page in the same process. We cannot use it to notify gUM is shutdown for that window.
- We should switch back to PContent for sending recording status, which is always existed during the entire content process life cycle.
- patch was merged to bug 940045.
bug 898949 - [B2G getUserMedia] Display front/back camera list on permission prompt \ SC
- rebase to latest m-c and do the integration test with other dependent gecko/gaia patches.

Media Recording

bug 879669 Support Video Encoder module in MediaEncoder framewrok /rlin
- MediaEncoder 1r+, 2r-, need some work
bug 891705 [MediaEncoder] Implement WebM 1.0 container writer /rlin
- provide patch for reviewing, will leverage libvpx library directly
bug 935774 "Assertion failure: meta" in mozilla::MediaEncoder::GetEncodedData
- landed and verify
bug 936981 - Build up MediaEncoder GTest framework /rlin
- framework provided, start to write a test.
bug 926746 - HARDWARE_UNAVAILABLE is already thrown while GetUserMedia for audio \ slee
- Waiting for mwu for landing
Test cached memory copy speed by using vendor's camera.msm7627a.so /slee
- The speed is worse than the original version. Waiting for vendor's reply.
bug 920934 - [MediaEncoder] Implement AudioOmxEncoder on B2G / John Lin
- upload patches for review.
- revise OMX codec wrapper to address review comments.
- merge audio track encoder with video track encoder.
bug 879669 - Support Video Encoder module in MediaEncoder framewrok / Shelly
- Part1: Refactor of TrackEncoder, review+
- Part2: Add VideoTrackEncoder, review+
bug 879668 - [MediaEncoder] Implement VideoOmxEncoder on B2G / Shelly
- Part 2: Add OmxTrackEncoder, review-
bug 941283 - OpusTrackEncoder writing pre-skip at the original samplerate / Shelly
- review+, but need nit fix.

Web Audio

review code about how audio nodes integrated into MediaStreamGraph / JW
- bug 804387 - Make the mediastreams backend awesome enough for us to hook the initial web audio APIs into
- bug 830707 - Make MediaStream AudioSegments not have a fixed number of channels
bug 916399 - Intermittent test_timeupdate_small_files.html | Test timed out / JW
- debug: it looks like there is a long latency between when gecko fires the event and when gaia receive the event

RTSP \bechen
- bug 938512 [RTSP] HTMLMediaElement does not fire loadedmetadata event for RTSP streaming.
  - Patch reviewing.
- bug 898866 RTSP: the seek function usually fails
  - Debugging: thread issue.
WebRTC performance measurement \slee
- profile.sh can retrieve only main thread.
- jld's branch has compiling problem. Trying to figure out why.
bug 911046 - WebRTC OmxCodec coding path support / JW
- review patch, trace code to see how to integrate h264 encoder/decoder

bug 933711 - [B2G][Helix][stability][fengximing]When the Firefox phone goes to sleep, wait for long time, if you wake up the phone, it took too much time to enter the lock screen. /Morris
- At nsFrameMessageManager::ReceiveMessage, we have about 600 event listeners at most. And bug 900221 would cause the time of 600 listeners iteration costs about 500ms which will slow down wake up procedure. I revert bug 900221 and looks like problem resolved.
bug 709490 - Run WebGL on Web Worker with Off-Main-Thread-Compositing / Morris
- Update to address comment as well
bug 920921 - [Flatfish]: Flatfish has bad performance on Homescreen wiping /Jerry
- Trace Layer inactive/active mechanism
- Test bug 940842 for pre-render. Compare BenWa's implement with mine.
bug 939962 - Gallery app will get OOM process killed upon saving an edited photo after flashing or resetting the device
- Dump memory footprint when using gallery.
  - We always get pmem OOM on buri device and fall back to ashmem.
Flatfish performance followup /peter
- https://etherpad.mozilla.org/hdperf
KitKat graphic porting plan /peter
bug 929432 - [B2G][Helix][Browser][ChenHoulai] Open youtube in the browser, there is an extra horizontal line on the top when in full-screen mode /Peter
- Found the problem and work on patch now
bug 944564 - [B2G] Page transition in Homescreen can't reach 60fps stably. /vlin
- Breaking down 3 problems cause this.

bug 924692 - Add support for selecting using touch / Phoebe
- append a fixed position AnonymousContent in CanvasFrame as CaretHandleFrame.
- study CSS pseudo stylecontext setup and modification.
- debug contenteditable focus on caretHandle assertion.