
Specify kf_min_dist to get correct key frame interval in svc mode. Also set QP-max/min per temporal and spatial layer (was previously only allowed to be set per spatial layer). BUG=chromium:500602 R=stefan@webrtc.org Review URL: https://codereview.webrtc.org/1492633005 . Cr-Commit-Position: refs/heads/master@{#10890}