commit 8fc7fa798f7a36955f1b933980401afad2aff592
author pbos <pbos@webrtc.org> Wed Jul 15 15:02:58 2015
committer Commit bot <commit-bot@chromium.org> Wed Jul 15 15:03:04 2015
tree 805c4ce0733d7c1335e45672fad7f3c99681add3
parent 9c261f2d13793fbb5a0d07b26bec4154bc38342b

Base A/V synchronization on sync_labels.

Groups of streams that should be synchronized are signalled through
SDP. These should be used rather than synchronizing the first-added
video stream to the first-added audio stream implicitly.

BUG=webrtc:4667
R=hta@webrtc.org, solenberg@webrtc.org, stefan@webrtc.org
TBR=mflodman@webrtc.org

Review URL: https://codereview.webrtc.org/1181653002

Cr-Commit-Position: refs/heads/master@{#9586}