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Remove deactivated RTP modules from PacketRouter map.

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Apart from making the map smaller, a purpose of this is guaranteeing
that if a module has been deactived it will not receive new packets
from the pacer, which will be needed for deferred sequencing.

Bug: webrtc:11340
Change-Id: I171a13413c5b8d3fa569c2d56bd9a54bff7c7976
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/208542
Commit-Queue: Erik Språng <sprang@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#33335}
This commit is contained in:
Erik Språng
2021-02-24 16:15:30 +01:00
committed by Commit Bot
parent 451a8af691
commit 61d1773c03
1 changed files with 22 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files

37
call/rtp_video_sender.cc
View File

@ -411,18 +411,6 @@ RtpVideoSender::RtpVideoSender(
// RTP/RTCP initialization.
// We add the highest spatial layer first to ensure it'll be prioritized
// when sending padding, with the hope that the packet rate will be smaller,
// and that it's more important to protect than the lower layers.
// TODO(nisse): Consider moving registration with PacketRouter last, after the
// modules are fully configured.
for (const RtpStreamSender& stream : rtp_streams_) {
constexpr bool remb_candidate = true;
transport->packet_router()->AddSendRtpModule(stream.rtp_rtcp.get(),
remb_candidate);
}
for (size_t i = 0; i < rtp_config_.extensions.size(); ++i) {
const std::string& extension = rtp_config_.extensions[i].uri;
int id = rtp_config_.extensions[i].id;
@ -463,9 +451,8 @@ RtpVideoSender::RtpVideoSender(
}
RtpVideoSender::~RtpVideoSender() {
for (const RtpStreamSender& stream : rtp_streams_) {
transport_->packet_router()->RemoveSendRtpModule(stream.rtp_rtcp.get());
}
SetActiveModulesLocked(
std::vector<bool>(rtp_streams_.size(), /*active=*/false));
transport_->GetStreamFeedbackProvider()->DeRegisterStreamFeedbackObserver(
this);
}
@ -509,10 +496,30 @@ void RtpVideoSender::SetActiveModulesLocked(
if (active_modules[i]) {
active_ = true;
}
const bool was_active = rtp_streams_[i].rtp_rtcp->SendingMedia();
const bool should_be_active = active_modules[i];
// Sends a kRtcpByeCode when going from true to false.
rtp_streams_[i].rtp_rtcp->SetSendingStatus(active_modules[i]);
if (was_active && !should_be_active) {
// Disabling media, remove from packet router map to reduce size and
// prevent any stray packets in the pacer from asynchronously arriving
// to a disabled module.
transport_->packet_router()->RemoveSendRtpModule(
rtp_streams_[i].rtp_rtcp.get());
}
// If set to false this module won't send media.
rtp_streams_[i].rtp_rtcp->SetSendingMediaStatus(active_modules[i]);
if (!was_active && should_be_active) {
// Turning on media, register with packet router.
transport_->packet_router()->AddSendRtpModule(
rtp_streams_[i].rtp_rtcp.get(),
/*remb_candidate=*/true);
}
}
}