deadbeef bc88c6ba98 Reject negative values for "b=AS".
It doesn't make sense to have a negative RTP session bandwidth; RFC3550
doesn't define any meaning for this. So just treat it as invalid SDP.

BUG=chromium:675361

Review-Url: https://codereview.webrtc.org/2989243002
Cr-Commit-Position: refs/heads/master@{#19221}
2017-08-02 18:26:34 +00:00
..