TPEPlatform/2014-02-13

Media Recording

• bug 957841 - MediaRecorder crash [@ mozilla::dom::MediaRecorder::Session::AfterTracksAdded] /rlin
  • landed plus test case.
• bug 959490 - [MediaEncoder] Support *.3gp with AMR-NB audio format /rlin
  • WIP implement, can playback encoded blobs, but sample rate is wrong. /rlin
• Test media recorder API on jb-emulator and report issues /rlin
• bug 970793 [MediaEncoder] Update correct base_data_offset / ayang
  • landed
• bug 971639 - [MediaEncoder] Support fragment 3GP format / ayang
  • WIP implementation
• bug 956997 - Media Recording - Pass timeslices value from recorder to encoder writer / ayang
  • discuss spec issue with cpearce.

• bug 963458 - [Media Encoder][b2g-emulator-jb] Cannot record the video stream from fake gUM / John
  • Cause - SoftAVCEncoder doesn't support image resolution > CIF.
  • Fix - upload a patch that adjusts encoder configuration when running on emulator. Currently r? = roc.
• bug 938034 - [B2G] GetUserMedia can provide recording callback in media stream / John
  1. WIP - Refactor - extract B2G camera source related code to its own class.
  2. WIP - Add GonkCameraSource support to get data from camera recording callback.
  • Preparing patch for feedback.
• bug 938034 - [B2G] GetUserMedia can provide recording callback in media stream / John
  1. WIP - Make MediaEncoder aware of data from GonkCameraSource.
  2. WIP - Support 'store meta in buffer' mode in OMXCodecWrapper.
  • Preparing patch for feedback.

Streaming Media

• bug 926338 - [B2G][WebRTC] Firefox OS to Desktop Communication Fails to Send Audio Intermittently / slee
  • apprtc sends extra media constraints and sipcc does not handle well
• bug 970183 - [B2G getUserMedia] Camera always callback landscape frames /slee
  • gcp suggests a solution. I implemented it and had a profiling results.
• bug 970864 - [tarako]export B2G_NOOPT=1 build error / slee
  • It is fixed on bug 939890. Verified on the latest code base and worked.
• bug 971659 - linking error when --disable-webrtc on b2g / slee
  • r+ and wait for try server result.
• bug 853356 - [B2G getUserMedia] Display camera/ microphone permission acquisition prompt / ayang
  • landed

Graphics

• bug 945082 - lockscreen fade-out animation is still < 60fps /Jerry
  • Add layer border to show temp surface usage.
    • Handle try server error.
  • Fix the buffer size for scaling animation.
    • Handle try server error.

• bug 963917 - Gallery app high memory usage during 1st launch /Jerry
  • Bug RESOLVED
    • Use "willReadFrequently" flag for context.
    • Set width and height to 0 to purge the canvas buffer.
    • Modify MediaDB to use file-backed blobs instead of memory-backed.

• bug 970801 - reduce blob-urls object in gallery app /Jerry
  • Gallery still has a large memory usage for thumbnail scanning.
    • Use about:memory tool to profile.

• GeckoProfiler - simple connection for profiler
  • Read firefox addon document.

Platform

• Trace bug 909542 for MAIDAI /CTai
  • This is a clean up bug for gecko camera. It help me understanding current Gecko Camera codes.
• Bug 968707 - Cavas.ToBlob is slow on B2G /CTai
  • Confirm camera HAL is no related codes for JPEG encoding.