TPEPlatform/2013-11-14

Media

Media Recording

• bug 879669 - Support Video Encoder module in MediaEncoder framewrok / Shelly
  • Part 1: VideoTrackEncoder and some refactor in AudioTrackEncoder
    • Accumulate the duration of duplicated chunks.
    • Create an black image for null chunks.
    • Has finally reached to a stable stage, ready to add documentation.
• bug 879668 - [MediaEncoder] Implement VideoOmxEncoder on B2G / Shelly
  • Part 1: Add OMXCodecWrapper
  • Part 2: Add OmxTrackEncoder
    • Deal with null chunks, and condition of EOS.

Web Audio

• bug 926838 - [B2G] Convolver node run very slow on unagi/buri / JW
  • fix build errors on emulators
  • port FFTW to ARM device, write perf test code
  • peak perf data, loop=1000, fft size=4096

     forward fft:
       kissfft=0.422585(100%), openmaxdl=0.219870(52.03%), fftw=0.178985(42.35%)
     inverse fft:
       kissfft=0.557688(100%), openmaxdl=0.241888(43.37%), fftw=0.344252(61.73%)
     fwd + inv:
       kissfft=0.980273(100%), openmaxdl=0.461758(47.11%), fftw=0.523237(53.38%)
       fwd fftw + inv openmaxdl = 0.420873(42.93%)

• bug 916392 - AudioBufferSourceNode output channel count should not drop after playback stops / JW
  • run test cases
  • discuss with Karl about the lifetime of audio nodes

Input

• bug 924692 - Add support for selecting using touch / Phoebe
  • first version WIP upload
  • trace nsCSSFrameConstructor.cpp, nsPresShell.cpp to understand layout frame construction processes.
  • try to add CreateAnonymousContent functionality in viewportFrame.

Free Agent

• review web audio article translation. / JW