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Negotiate use of RTCP loss notification feedback (LNTF)

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When the LossNotifications field trial is in effect, LNTF should
be offered/accepted in the SDP message, not assumed to be configured
on both sides equally.

Bug: webrtc:10662
Change-Id: Ibd827779bd301821cbb4196857f6baebfc9e7dc2
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/138079
Commit-Queue: Elad Alon <eladalon@webrtc.org>
Reviewed-by: Rasmus Brandt <brandtr@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#28056}
This commit is contained in:
Elad Alon
2019-05-24 13:40:02 +02:00
committed by Commit Bot
parent 815b1a6f53
commit fadb1811a8
29 changed files with 297 additions and 82 deletions
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5
modules/rtp_rtcp/source/rtp_sender_video.cc
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@ -195,8 +195,9 @@ RTPSenderVideo::RTPSenderVideo(Clock* clock,
last_rotation_(kVideoRotation_0),
transmit_color_space_next_frame_(false),
playout_delay_oracle_(playout_delay_oracle),
// TODO(eladalon): Choose whether to instantiate rtp_sequence_number_map_
// according to the negotiation of the RTCP message.
// TODO(bugs.webrtc.org/10662): Choose whether to instantiate
// |rtp_sequence_number_map_| according to the negotiation of the
// LNTF (loss notification) rtcp-fb message.
rtp_sequence_number_map_(
field_trials.Lookup("WebRTC-RtcpLossNotification").find("Enabled") !=
std::string::npos