webrtc_m130/webrtc/modules/congestion_controller/probing_interval_estimator.cc
ossu 6287e82b9b Revert of Pass time constant to bwe smoothing filter. (patchset #8 id:140001 of https://codereview.webrtc.org/2518923003/ )
Reason for revert:
Unfortunately, this change breaks internal projects. Specifically the change to the CongestionController interface means anything implementing it will be forced to change in lock-step.

Original issue's description:
> Pass time constanct to bwe smoothing filter.
>
> BUG=webrtc:6443, webrtc:6303
>
> Committed: https://crrev.com/9abbf5ae4ec7d688a9b4aa03a405f3faadb74b90
> Cr-Commit-Position: refs/heads/master@{#15266}

TBR=minyue@webrtc.org,stefan@webrtc.org,solenberg@webrtc.org,michaelt@webrtc.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=webrtc:6443, webrtc:6303

Review-Url: https://codereview.webrtc.org/2532993002
Cr-Commit-Position: refs/heads/master@{#15272}
2016-11-28 16:05:23 +00:00

51 lines
1.6 KiB
C++

/*
* Copyright (c) 2016 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 "webrtc/modules/congestion_controller/probing_interval_estimator.h"
#include <algorithm>
#include <utility>
namespace webrtc {
namespace {
constexpr int kMinIntervalMs = 2000;
constexpr int kMaxIntervalMs = 50000;
}
ProbingIntervalEstimator::ProbingIntervalEstimator(
const AimdRateControl* aimd_rate_control)
: ProbingIntervalEstimator(kMinIntervalMs,
kMaxIntervalMs,
aimd_rate_control) {}
ProbingIntervalEstimator::ProbingIntervalEstimator(
int min_interval_ms,
int max_interval_ms,
const AimdRateControl* aimd_rate_control)
: min_interval_ms_(min_interval_ms),
max_interval_ms_(max_interval_ms),
aimd_rate_control_(aimd_rate_control) {}
rtc::Optional<int> ProbingIntervalEstimator::GetIntervalMs() const {
rtc::Optional<int> bitrate_drop =
aimd_rate_control_->GetLastBitrateDecreaseBps();
int increase_rate = aimd_rate_control_->GetNearMaxIncreaseRateBps();
if (!bitrate_drop || increase_rate <= 0)
return rtc::Optional<int>();
return rtc::Optional<int>(std::min(
max_interval_ms_,
std::max(1000 * (*bitrate_drop) / increase_rate, min_interval_ms_)));
}
} // namespace webrtc