TPEPlatform/2014-03-27

Media

• bug 984816 -[RTSP] Play/pause does not work for RTSP streaming. / bechen
  • Two deadlock cases after :cpearce 's change.

• bug 973522 - MediaRecorder causes large leak /rlin
  • 1.4+, landed

• bug 984215 - VideoConduit reads the rotation flag and decides the rotation degree /rlin
  • study code flow for WEBRTC.

• bug 984223 - Support H.264 hardware codec decoder on PlatformDecoder module for WebRTC / ayang
  • study code flow/thread module of WebRTC and PlatformDecoderModule

• bug 972826 - Intermittent TEST-UNEXPECTED-FAIL | test_load_same_resource.html | Test timed out / JW
  • the cloned element waiting for the decoder of the original element to release and timeout
  • debug: have to wait for the decoder is cloned before resetting 'src' of the original
  • testing on try

• bug 945475 - Intermittent test_reset_src.html | videoHeight should be zero when there is no video. - got 300, expected 0 | videoWidth should be zero when there is no video. - got 400, expected 0 / JW
  • debug: videoWidth/videoHeight is overwritten by some unknown async callbak from VideoFrameContainer
  • fix: clear VideoFrameContainer so that staled callbacks won't reach us anymore
  • to be reviewed

• bug 980868 - Intermittent | test_streams_element_capture.html | vp9.webm current time at end: 0.4329996109008789 should be: 4 / JW
  • debug: skip-frame causes media play time is less than media duration
  • trace code about frame-skip algorithm
  • fix: don't skip frame when current clock time is still behind video frame time
  • to be reviewed

• bug 911046 WebRTC OmxCodec coding path support. / John
  • Clean up prototype code.
  • Improvement:
    • Use OMXVideoEncoder to replace direct calls to stagefright.
    • Use TextureVideoFrame to obsolete SetCurrentFrame() hack.
  • Investigate crashing issue. See next item.

• bug 988713 Race condition when destroying TextureClient & TextureChild. / John
  • Causes crash.
  • Work with pchang to identify the problem.

Platform

• libjpeg-turbo OpenCL decoder patch on FX OS. /CTai
  • Analysis: The original libjpeg-turbo takes ~260 ms for decoding 7 Mega pixel jpeg file in Nexus 5 with FX OS. There are some run-time bugs while executing OpenCL decoder version.
• bug 935776 - Cant build Firefox OS (emulator) on Mavericks / slee
  • Help Vicamo test building emulator on MacOS
• bug 981789 - Fix build error when disabling webrtc / slee
  • Found cause of building error. Wait for jesup's feedback
• bug 970725 - Adapt gUM capture resolution based on encoding resolution / slee
  • Test whether we can change camera preview size without restarting camera - no
  • Measure the restarting time of camera on Flame- about 1.5 seconds
• WebRTC architecture and threading model introduction / slee

• bug 987532 - [meta] Project Butter on B2G. / vilin
  • Divide WIP into pieces belong to different modules.
    • Layout - Vsync-triggered RefreshDriver
    • Graphics:Layer - Vsync-triggered CompositorParent
    • Widget:Gonk - input event resampling, Vsync monitor, Vsync Observer manager, triple-buffering FrameBufferSurface

• bug 924692 - [Touch Caret] Display a touch caret according to caret postion in input element / phoebe
  • WIP code rebase, waiting for review.

• bug 960897 - [Touch Caret] Touch caret sanity test / phoebe
  • studying marionette: can drag touch caret, finding solution for inserting key input to desire place.

Graphics

• bug 974807 - [Sora][gallery]WebGL context is lost when the screen is turned off /Jerry
  • Update patch for reviewer's comment.

• bug 951418 - Port trace_viewer to gecko /Jerry
  • Fix some css rules and key event handling for firefox for trace_viewer reversion 775. Now, we can see the profile data in firefox.
    • Need to check the latest version of trace_viewer.

• bug 981005 - [B2G][Gallery][Crop Image]Image no longer displays after user presses 'undo' button /Jerry
  • Debugging. I'm going to check the SurfaceStream.

• Restyle performace profile /Jerry
  • Profile homescreen with Cameron's patch.

• bug 976397 - Rotate camera preview image based on the original raw image orientation / Peter
  • prepare patch v4

• bug 988713 TextureClient/TextureChild refactor /Peter
  • WIP

• bug 959089 - Separate GrallocBuffer allocations from Compositor thread / chiajung
  • rebased, blocked

• bug 814524 - Make WebGLContext::TexImage2D avoid readback for video elements / chiajung
  • WIP
    • 10x faster now
    • miner SIGSEGV remain
    • TexSubImage2D missing(need check spec)

• bug 982040 - [dolphin] hwc doesn't work /Solomon
  • Uploaded a WIP patch to avoid b2g crash when enabling HWC.
  • The composition still be performed will GPU even the HWC is enabled. It's due to there still no color-fill and RB-swap function implemented in vendors's HAL libs
  • Vendor will implement color-fill and RB swap feature in HWC HAL

• bug 987563 - SIGSEGV in HwcComposer2D::Commit() due to lack of both colorFill and RB-Swap /Solomon
  • debugging (root cause was found, need to discuss and check the proper place of fix)

• bug 924692 - [Touch Caret] Display a touch caret according to caret postion in input element / Morris
  • Check scrolled boundary and restrict touch caret inside this boundary

• bug 987718 - [Text Selection] Enable text selection on content process / Morris
  • Tracing touch/mouse event path
  • Send mouse event to content process to enable text selection
  • Try to handle long tap event

• bug 987040 - Implement mozbrowserSelection / Morris
  • Submit a WIP patch, region and text is valid now

• bug 975346 - [LayerScope] LayerScope is not work while HWC is chosen / boris
  • WIP
    • Run LayerScope Tool for nightly on Mac and Linux, and add some notes to LayerScope Wiki so that desktop can run the tool successfully on Linux. (Done)
    • Run LayerScope Tool for B2G on Unagi. (Done)
    • Trace LayerManagerComposite and OGLCompositior

• bug 974242 - [Tracking] (reftest) tests in layout/reftests/svg failed on B2G running OOP /alin
  • root cause found, waiting for feedback
• bug 976923 - reftest fails - font-inflation disable-fontinfl-on-mobile-4.html / alin
  • looking into it.

• bug 983489 - Crash on nsIAppStartup.quit() - vichen
  • Fix crash
  • Find another crash, only minidump is found, cannot analyze

• bug 981477 - Reenable skipped reftest - vichen
  • bug 986409 - do same thing, but only verify with OOP-disabled
  • Redo test and mark known fail

Study

• Trace code IDE investigation / boris
  • Eclipse (on Linux): C/C++ Eclipse Project Generation
  • Xcode (on Mac): Debugging_on_Mac_OS_X and Using XCode 4 With mozilla-central
• 2014 Q1 Performance Review Documents / CTai
  • Panorama - API design => https://docs.google.com/document/d/1A0z1V-w4AyFUvw5s6fyMER3PIgIp1gF6T8oIMIvK-Ds/edit?usp=sharing
  • OpenCL JPEG => https://docs.google.com/document/d/1dkBF6nEg6LfDAJz79sdBnQeR7aIVjN_W3HCcU6yLCsM/edit?usp=sharing
  • Image processing background knowledge study and sharing => https://docs.google.com/document/d/1-hZyFgoinLfcKT7bz5wbgOxTR_kxBymF1gy13dCGkG0/edit?usp=sharing
  • Parallel EcmaScript => https://docs.google.com/document/d/1s-bEnpfR5Th18mvnHuF0XE3OWsK9noBheSLvJjOyCHk/edit?usp=sharing