In highly loaded media servers, RTCPReceiver's use of std::map
attributes to ~0.5% CPU. It's mostly ::find and the [] operator, and
they are all keyed by SSRC, which is an unordered data type. This makes
these maps suitable as unordered maps, as they have constant time
complexity for lookups.
Bug: webrtc:12689
Change-Id: I7b305e233fcbed0e452632946ab0de5ee66f8dda
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/216321
Commit-Queue: Victor Boivie <boivie@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#33850}
0c563a42ec