TPEPlatform/2013-07-11: Difference between revisions

← Older edit

TPEPlatform/2013-07-11 (view source)

Revision as of 10:18, 11 July 2013

4,507 bytes added , 11 July 2013

→‎Free Agent

Jwwang

Confirmed users

565

edits

@@ Line 1: / Line 1: @@
 ==Media==
+'''Media Recorder'''
+* Write document for B2G HW decode diagram / Alfredo
+* Discuss architecture design on #media, studying mp4v2 as muxer / Alfredo
+* {{bug|879668}} - [MediaEncoder] Implement MediaOmxEncoder on B2G / Shelly
+** Class structure, collecting feedback.
+** Reference the implementatoin of mp4 recording from Stagefright.
+'''Web Audio'''
+* {{bug|882171}} - Optimize the AudioNodeEngine.cpp routines for NEON / JW
+** test performance against loop unrolling, memory alignment, compiler version, instruction reordering
+** fix build error
+* {{bug|885496}} - Optimize KissFFT with NEON instructions / JW
+** creating a patch
 ==Streaming Media==
@@ Line 16: / Line 31: @@
 ** update patch according to 4th review comment
 ** investigating memory leakage in nsUDPSocket, leak at DeadlockDetector (on exist on debug build)
-** performance analysis
+** performance analysis / Steven
+* helix device performance test
+** Test ekr's video benchmark
+** Try to use perf from jld
+*** It has problem when parsing the recorded data, asking jld.
+** memcpy from GraphicBuffer to system memory is slow.
+*** Still trying to find out why it is so slow(copy 640x480 bytes takes about 12ms)
+* {{bug|84144}} - gonk version of nr_stun_get_addr() doesn't work / John
+** Got rjesup's r+ for alternative impl of network interface list service
+* add H.264 support to WebRTC / John
+** study A/V codec & RTP part in WebRTC codebase
+** identify key classes
+** study relating RTP RFCs (MPEG-4 - 6416, H.264 - 6184)
 == Graphic ==
@@ Line 23: / Line 50: @@
 ** Implement separate thread for canvas rendering and check {{bug|857895}}
 * {{bug|875168}} Integrate SurfaceTexture/ Peter
-** pending...
+** prepare design diagram review
+* {{bug|758845}} add skia configuration for b2g
+** review+
 '''HW Composer'''
 * {{bug|884188}}/{{bug|885345}} HWC can't render small layer due to no gralloc buffer/ Peter
-** Provided workaround on m-c and wait for review
+** review+ and wait for landed
 '''Misc'''
 * Prepare b2g GFX introduction and porting([https://docs.google.com/drawings/d/1s1Oz00ljnRLKQgLZC4Fy5-7BRHI2aA63PmC6khuuXqw])
 ** Have presentation at 10:30 am this Friday
+* Check memcpy from graphic buffer
+** Didn't find obvious performance drop between system memcpy and graphic buffer memcpy
+* {{bug|875901}} "Select all" label disappears when editing the call log \ Kanru
+** Only reproducible on device
+** Can't reproduce anymore since today morning (Jul 11, 2013)
 ==Stability==
@@ Line 36: / Line 72: @@
 '''B2G GFX arch'''
 *Reading GFX arch /JerryShih
-*Studying Gfx/Layer architecture
+*Studying Gfx/Layer architecture /Morris
@@ Line 46: / Line 82: @@
 * {{bug|887164}} - [MMS-Gallery] BMP and WBMP display support from MMS issue. \ SC
 ** discuss with Steve and leo partner, decide to decode WBMP in Message app and save WBMP as PNG.
+'''MemShrink'''
+* {{bug|771765}} - [Nuwa] update patches per review comments \Cervantes
+** Awaiting review for the IPC-related parts.
+** Study browser-element test cases.
+* [b2g] Some observations on memory usages in main process \ Ting-Yuan
+** https://groups.google.com/forum/#!topic/mozilla.dev.b2g/QNLuHylCOlU
+** more analysis
+'''Emscripten'''
+* Support Zhang Pin and SwiftKey on building libchewing. \ Ting-Yuan
+** Update the example due to lots of changes in Emscripten.
+'''IME'''
+* {{bug|847763}} - Prevent virtual keyboard iframe from getting focus \ Kanru
+** Test the suggested -moz-user-focus CSS attribute
+*** It seems it doesn't work on <input> nor <button> nor <iframe>
+*** Related: pointer-events attribute
+* {{bug|845169}} - Target events "properly" at overlapping app frames \ Kanru
+** Study mozpasspointerevents
+* {{bug|811636}} - Parent process does not handle the situation correctly if its child process is failed at launching / Shelly
+** review+, patch landed.
+'''Web Animations'''
+* Create the Timeline webidl, but doesn't seem to be a good starting point, might try implementing some test cases first.
+'''Study'''
+* read doc / JW
+** [http://martinfowler.com/articles/mocksArentStubs.html Mocks Aren't Stubs]
+** [http://en.wikipedia.org/wiki/Separation_of_concerns Separation of concerns]
+** [http://pragprog.com/articles/tell-dont-ask Tell, Don't Ask principle]
+==Meeting Minutes==
+CJ
+*How to make team weekly meeting more effective/ shorten duration of each meeting
+**Attend meeting on time
+**No break rule - after report finished, than, ask question.
+**5 mins for each person
+**keep big topics discussion in the end of meeting: Peer to peer or smaller group discussion after the meeting.
+*Ranking
+*On going event:
+**[https://taiwan.etherpad.mozilla.org/251 Gfx dairy sprint]
+***Bring up gfx new onboards gfx module knowledge in Gecko
+***Everyday. Host at gfx cubic
+**[https://taiwan.etherpad.mozilla.org/247 Media weekly meeting]
+***3:00 PM each Wednesday. Blue mountain.
+**[https://taiwan.etherpad.mozilla.org/254 WebRTC weekly meeting]
+***10:00 AM each Friday. Blue mountain.
+*Backlog
+**https://intranet.mozilla.org/TPEPlatform
+**Share your idea, what you want to do in the future.
+JW
+*WebAudio software pipeline
+*Cache preload is enable after gcc 4.6.
+*Use Kiss for FFT.
+Jerry
+*Setup code inspection tool.
+*Study TextureHost/ Client data sync mechanism
+Morris
+*LayerClient/ Host data sync
+Cervantes
+*Break nuwa into several issues
+Should we use mochitest for media recorder?
+Steven
+*Figure out why memory copy take so much time on B2G.
+SC
+*E10S - memory leakage
+*Put *.3ga in audio folder, instread of *.3gp
+TingYuan
+*B2G anonymous memory swap mechanism
+John
+*HW coding module prototype in webrtc.
+Peter
+*fishIE perf.
+Shelly
+*WebAnimation IDL
+*WIP of video encoding path
+KanRu
+*Keyboard OOP
+Benjamin
+*HTTP 200 response/ RTP recieve package sync issue.