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Implement new specification for degradation preference

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The degradation preference is now based on the content hint of the track
if it's unspecified.

Bug: webrtc:11164
Change-Id: Iaa0dbf1c1bf68a46fc5131e534d423c30c5439c7
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/161233
Commit-Queue: Florent Castelli <orphis@webrtc.org>
Reviewed-by: Stefan Holmer <stefan@webrtc.org>
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Reviewed-by: Åsa Persson <asapersson@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30691}
This commit is contained in:
Florent Castelli
2020-03-05 13:39:55 +01:00
committed by Commit Bot
parent 3c91b31162
commit b05ca4b616
10 changed files with 58 additions and 35 deletions
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3
api/rtp_parameters.h
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@ -609,8 +609,7 @@ struct RTC_EXPORT RtpParameters {
// When bandwidth is constrained and the RtpSender needs to choose between
// degrading resolution or degrading framerate, degradationPreference
// indicates which is preferred. Only for video tracks.
DegradationPreference degradation_preference =
DegradationPreference::BALANCED;
absl::optional<DegradationPreference> degradation_preference;
bool operator==(const RtpParameters& o) const {
return mid == o.mid && codecs == o.codecs &&