Danil Chapovalov c146b5f77b Represent unset VideoPlayoutDelay with nullopt rather than special value
Remove support for setting one limit without another limit
because related rtp header extension doesn't support such values.

Start morphing VideoPlayouDelay into a class and stricter type: add accessors returning TimeDelta

Bug: webrtc:13756
Change-Id: If0dd02620528dc870b015beeff3a8103e04022ee
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/315921
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#40570}
2023-08-18 13:17:50 +00:00
..
2023-04-20 02:02:45 +00:00
2023-04-20 02:02:45 +00:00
2023-04-20 02:02:45 +00:00