webrtc_m130/modules/congestion_controller/acknowledged_bitrate_estimator.cc
Lu Liu 575ceefc6d Revert "Replaced magic numbers with constants for PacketFeedback."
This reverts commit 37b52232895fc200188c0e3ded261aedcb558b7b.

Reason for revert: Breaking internal builds

Original change's description:
> Replaced magic numbers with constants for PacketFeedback.
> 
> Bug: None
> Change-Id: Ie22475227406f4e800052b52fa644ea6966db3f1
> Reviewed-on: https://webrtc-review.googlesource.com/27100
> Reviewed-by: Stefan Holmer <stefan@webrtc.org>
> Commit-Queue: Sebastian Jansson <srte@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#20938}

TBR=stefan@webrtc.org,srte@webrtc.org

Change-Id: I891977c9535c4c887013f3f5badc83666c29e3f8
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: None
Reviewed-on: https://webrtc-review.googlesource.com/27220
Reviewed-by: Lu Liu <lliuu@webrtc.org>
Commit-Queue: Lu Liu <lliuu@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20943}
2017-11-29 21:15:01 +00:00

64 lines
2.1 KiB
C++

/*
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "modules/congestion_controller/acknowledged_bitrate_estimator.h"
#include <utility>
#include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
#include "rtc_base/ptr_util.h"
namespace webrtc {
namespace {
bool IsInSendTimeHistory(const PacketFeedback& packet) {
return packet.send_time_ms >= 0;
}
} // namespace
AcknowledgedBitrateEstimator::AcknowledgedBitrateEstimator()
: AcknowledgedBitrateEstimator(rtc::MakeUnique<BitrateEstimator>()) {}
AcknowledgedBitrateEstimator::AcknowledgedBitrateEstimator(
std::unique_ptr<BitrateEstimator> bitrate_estimator)
: bitrate_estimator_(std::move(bitrate_estimator)) {}
void AcknowledgedBitrateEstimator::IncomingPacketFeedbackVector(
const std::vector<PacketFeedback>& packet_feedback_vector) {
RTC_DCHECK(std::is_sorted(packet_feedback_vector.begin(),
packet_feedback_vector.end(),
PacketFeedbackComparator()));
for (const auto& packet : packet_feedback_vector) {
if (IsInSendTimeHistory(packet)) {
MaybeExpectFastRateChange(packet.send_time_ms);
bitrate_estimator_->Update(packet.arrival_time_ms, packet.payload_size);
}
}
}
rtc::Optional<uint32_t> AcknowledgedBitrateEstimator::bitrate_bps() const {
return bitrate_estimator_->bitrate_bps();
}
void AcknowledgedBitrateEstimator::SetAlrEndedTimeMs(
int64_t alr_ended_time_ms) {
alr_ended_time_ms_.emplace(alr_ended_time_ms);
}
void AcknowledgedBitrateEstimator::MaybeExpectFastRateChange(
int64_t packet_send_time_ms) {
if (alr_ended_time_ms_ && packet_send_time_ms > *alr_ended_time_ms_) {
bitrate_estimator_->ExpectFastRateChange();
alr_ended_time_ms_.reset();
}
}
} // namespace webrtc