[webrtc-pc] new commits pushed by taylor-b

The following commits were just pushed by taylor-b to https://github.com/w3c/webrtc-pc:

* Define the reference clock used for RTCRtpContributingSource.timestamp (#1854)

* Define the reference clock used for RTCRtpContributingSource.timestamp

Fixes #1690 and #1497.

Following the decision at the January VI, this timestamp uses
performance.timeOrigin + performance.now() (matching
RTCStats.timestamp).

This will allow an application to tell "how long ago did media from
this source play?", whereas previously it was only defined as "a
local clock", which meant it only supported comparing timestamps
between sources.
  by Taylor Brandstetter
https://github.com/w3c/webrtc-pc/commit/2820f6095ba81e018355260c4fdb801f311f4417

Received on Thursday, 17 May 2018 05:08:59 UTC