5c18a5ff5e
Reland with fixes. If input framerate is a little unstable, using it to cap layers will make output framerate even smaller for longer periods of time. Also, fix screenshare_loopback test for low-fps vp9 testing. Bug: webrtc:10257 Change-Id: Id40a780d461e6b51cb44d275b8aa5d7b348d3586 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/138215 Reviewed-by: Sergey Silkin <ssilkin@webrtc.org> Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org> Commit-Queue: Ilya Nikolaevskiy <ilnik@webrtc.org> Cr-Commit-Position: refs/heads/master@{#28054}