October 29 - October 30 2012

From Web Real-Time Communications Working Group Wiki

Logistics

IRC

As usual, #webrtc at irc.w3.org

Remote participation

UW_Web RTC Monday, 29 Oct - Tuesday, 30 Oct 07:00-18:00 UTC (3:00am-2:00pm Boston local) Zakim Bridge +1.617.761.6200, conference 9782 ("WRTC") 10 participants

Agenda

Monday morning 0830--1200

  • welcome and stuff (15 min)
  • API functionality (PeerConnection related) that has been discussed but is not currently supported, what of this should we support in v1? - Stefan (0845-1030 - 1h 45 min)
    • Sender side (all per track)
      • Priority
      • bandwidth
      • width/height
      • agc toggle switch
      • bw/cong. feedback
      • What can we do with constraints, what needs explicit API surface?
    • Receiver side
      • reject certain or all tracks in offer
        • should app be able to?
      • inform the sender of used / useful width/height
      • tell the sender that a stream/track is not played (paused/unattached/ended)
    • Not certain what side
      • Control of AEC (echo cancellation)
    • Agree on what of the above we need
      • What in v1; what we can move to v2 but “make room for” in v1; what we can’t see need for
      • One time, or possible to change?
    • Discussion leads to requirements to IETF on SDP and RTCP capabilities


  • Coffee break 1030-1045
  • SDP handling - Cullen (1045-1200 1h 15 min)
    • How long is an SDP created with createOffer/Answer valid?
    • Rollback funtionality
      • at setLocal(offer) at offerer
      • at setRemote(offer) at answerer
      • at setLocal(answer) at answerer
      • at setRemote(answer) at offerer
      • What does an application do to recover when the UA rejects the set* call?
      • What does an application tell the UA when a call is rejected?
  • Lunch 1200-1300

Monday afternoon 1300-1800

  • Implementation/testing status (1300-1330)
  • General error handling principles - Anant (1330-1400)
    • Presentation of principles
    • Application to specific points in the API
  • Call flows - Cullen’s sample flows - Cullen (1400-1500 - 1 hour)
    • Walk through a flow or two, verify that we understand what the transitions mean
  • Coffee break (1500-1530)
  • States - Cullen, Justin (1530-1630)
    • PeerConnection
    • ICE agent
    • What is exposed to application?
  • Stats - Harald (1630-1730 - 1 hour)
    • Conclude stats model
      • Naming of stats
      • Grouping of stats objects
    • Specific stats for
      • Transports
      • ICE addresses / address pairs
      • ???
  • Finish for the day (1800)

Tuesday morning 0830-1200

  • Identity handling - EKR (0830-0930 - 1 hour)
  • API functionality for remove stream - Harald (0930-0945 - 15 min)
    • Empty indices in local/remoteStreams or not?
  • Conclude DTMF (we hope) - Harald, Justin (0945-1000 - 15 min)
  • Any Other Business (1000-1200)
    • Items can be raised here from other slots at need
  • End of WebRTC WG meeting (afternoon is Media Capture)

Media Capture TF meeting

See [1]

Presentations

Minutes

(anything below this is added after the meeting)