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Erik Språng b6ff84b516 Reland "When VP9 SVC is used, use SvcConfig to set max bitrate for the stream." 
This is a reland of commit 3afb8e2431

Patchset 1 is the original CL. Patchset 2 contains a fix:
Depending on call site, the number of spatial layers for VP9 might be
signalled in three different ways. One of them was afaict only used in
out perf tests, and resulted in the max bitrate being incorrectly
capped.
The fix now checks that field too.

Original change's description:
> When VP9 SVC is used, use SvcConfig to set max bitrate for the stream.
>
> Currently, a default max bitrate is determined within WebRtcVideoEngine,
> which maxes out at 2.5Mbps - and that limits the max bitrate deteremined
> by SvcConfig for resolutions above 720p.
>
> This does not affect simulcast, as WebRtcVideoEngine already knows to
> trust the rate allocation in simulcast.cc instead.
>
> Bug: webrtc:14017
> Change-Id: I0c310a6fd496e9e5a10eae45838900068aa1ae2d
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/267160
> Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
> Commit-Queue: Erik Språng <sprang@webrtc.org>
> Cr-Commit-Position: refs/heads/main@{#37370}

Bug: webrtc:14017, webrtc:14234
Change-Id: Idcaf4321a20c917e4049522c577336ddcfc7ffbb
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/267860
Auto-Submit: Erik Språng <sprang@webrtc.org>
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Commit-Queue: Ilya Nikolaevskiy <ilnik@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#37446}
2022-07-05 14:19:33 +00:00
..
base Let PCF.GetRtpSenderCapabilities return codecs' scalabilityModes. 2022-07-05 13:28:33 +00:00
engine Reland "When VP9 SVC is used, use SvcConfig to set max bitrate for the stream." 2022-07-05 14:19:33 +00:00
sctp Delete TestListener and top-level thread wrapping. 2022-05-20 15:21:21 +00:00
BUILD.gn Reland "When VP9 SVC is used, use SvcConfig to set max bitrate for the stream." 2022-07-05 14:19:33 +00:00
DEPS Remove usrsctp, dcSCTP is now the unique SCTP implementation 2022-04-04 10:30:46 +00:00
OWNERS Add orphis@ to OWNERS in pc/ and media/ 2022-05-12 18:34:33 +00:00