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dda037db07
This field trial was added 5 years ago in https://webrtc-review.googlesource.com/c/src/+/111883 probably as a safe guard, but looks never used. Bug: webrtc:11503 Change-Id: Ia9544b652b25fad4c614d66fe020f3d994c96505 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/333380 Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Reviewed-by: Per Kjellander <perkj@webrtc.org> Cr-Commit-Position: refs/heads/main@{#41490}
73 lines
2.5 KiB
C++
73 lines
2.5 KiB
C++
/*
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* Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "modules/congestion_controller/rtp/control_handler.h"
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#include <algorithm>
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#include <vector>
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#include "api/units/data_rate.h"
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#include "modules/pacing/pacing_controller.h"
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#include "rtc_base/logging.h"
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#include "rtc_base/numerics/safe_conversions.h"
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#include "rtc_base/numerics/safe_minmax.h"
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namespace webrtc {
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void CongestionControlHandler::SetTargetRate(
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TargetTransferRate new_target_rate) {
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RTC_DCHECK_RUN_ON(&sequenced_checker_);
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RTC_CHECK(new_target_rate.at_time.IsFinite());
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last_incoming_ = new_target_rate;
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}
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void CongestionControlHandler::SetNetworkAvailability(bool network_available) {
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RTC_DCHECK_RUN_ON(&sequenced_checker_);
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network_available_ = network_available;
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}
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void CongestionControlHandler::SetPacerQueue(TimeDelta expected_queue_time) {
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RTC_DCHECK_RUN_ON(&sequenced_checker_);
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pacer_expected_queue_ms_ = expected_queue_time.ms();
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}
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absl::optional<TargetTransferRate> CongestionControlHandler::GetUpdate() {
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RTC_DCHECK_RUN_ON(&sequenced_checker_);
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if (!last_incoming_.has_value())
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return absl::nullopt;
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TargetTransferRate new_outgoing = *last_incoming_;
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DataRate log_target_rate = new_outgoing.target_rate;
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bool pause_encoding = false;
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if (!network_available_) {
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pause_encoding = true;
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} else if (pacer_expected_queue_ms_ >
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PacingController::kMaxExpectedQueueLength.ms()) {
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pause_encoding = true;
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}
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if (pause_encoding)
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new_outgoing.target_rate = DataRate::Zero();
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if (!last_reported_ ||
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last_reported_->target_rate != new_outgoing.target_rate ||
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(!new_outgoing.target_rate.IsZero() &&
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(last_reported_->network_estimate.loss_rate_ratio !=
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new_outgoing.network_estimate.loss_rate_ratio ||
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last_reported_->network_estimate.round_trip_time !=
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new_outgoing.network_estimate.round_trip_time))) {
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if (encoder_paused_in_last_report_ != pause_encoding)
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RTC_LOG(LS_INFO) << "Bitrate estimate state changed, BWE: "
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<< ToString(log_target_rate) << ".";
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encoder_paused_in_last_report_ = pause_encoding;
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last_reported_ = new_outgoing;
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return new_outgoing;
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}
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return absl::nullopt;
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}
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} // namespace webrtc
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