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Create and initialize encoders only for active streams

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Bug: webrtc:12407
Change-Id: Id30fcb84dcbfffa30c7a34b15564ab5049cec96c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/204066
Commit-Queue: Sergey Silkin <ssilkin@webrtc.org>
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#33141}
This commit is contained in:
Sergey Silkin
2021-02-02 18:23:40 +01:00
committed by Commit Bot
parent 312ea0e144
commit 0e3cb9fb20
6 changed files with 491 additions and 337 deletions
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3
media/engine/webrtc_video_engine.cc
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@ -2306,6 +2306,9 @@ webrtc::RTCError WebRtcVideoChannel::WebRtcVideoSendStream::SetRtpParameters(
// TODO(bugs.webrtc.org/8807): The active field as well should not require
// a full encoder reconfiguration, but it needs to update both the bitrate
// allocator and the video bitrate allocator.
//
// Note that the simulcast encoder adapter relies on the fact that layers
// de/activation triggers encoder reinitialization.
bool new_send_state = false;
for (size_t i = 0; i < rtp_parameters_.encodings.size(); ++i) {
bool new_active = IsLayerActive(new_parameters.encodings[i]);