OLD | NEW |
---|---|
(Empty) | |
1 /* | |
2 * Copyright (c) 2016 The WebRTC project authors. All Rights Reserved. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license | |
5 * that can be found in the LICENSE file in the root of the source | |
6 * tree. An additional intellectual property rights grant can be found | |
7 * in the file PATENTS. All contributing project authors may | |
8 * be found in the AUTHORS file in the root of the source tree. | |
9 */ | |
10 | |
11 #include "webrtc/modules/congestion_controller/probing_interval_estimator.h" | |
12 | |
13 #include <algorithm> | |
14 #include <utility> | |
15 | |
16 namespace webrtc { | |
17 | |
18 namespace { | |
19 constexpr int kMinIntervalMs = 2000; | |
20 constexpr int kMaxIntervalMs = 50000; | |
21 } | |
22 | |
23 ProbingIntervalEstimator::ProbingIntervalEstimator( | |
24 const AimdRateControl* const aimd_rate_control) | |
minyue-webrtc
2016/11/14 16:50:42
second "const" can be omitted
michaelt
2016/11/15 09:41:59
Done.
| |
25 : ProbingIntervalEstimator(kMinIntervalMs, | |
26 kMaxIntervalMs, | |
27 aimd_rate_control) {} | |
28 | |
29 ProbingIntervalEstimator::ProbingIntervalEstimator( | |
30 int min_interval_ms, | |
31 int max_interval_ms, | |
32 const AimdRateControl* const aimd_rate_control) | |
minyue-webrtc
2016/11/14 16:50:42
the second "const" can be omitted
michaelt
2016/11/15 09:41:59
Done.
| |
33 : min_interval_ms_(min_interval_ms), | |
34 max_interval_ms_(max_interval_ms), | |
35 aimd_rate_control_(aimd_rate_control) {} | |
36 | |
37 rtc::Optional<int> ProbingIntervalEstimator::GetIntervalMs() const { | |
38 rtc::Optional<int> drop_height = aimd_rate_control_->GetLastDecrease(); | |
39 int increase_rate = aimd_rate_control_->GetNearMaxIncreaseRateBps(); | |
40 | |
41 if (!drop_height || increase_rate <= 0) | |
42 return rtc::Optional<int>(); | |
43 | |
44 return rtc::Optional<int>(std::min( | |
45 max_interval_ms_, | |
46 std::max(1000 * (*drop_height) / increase_rate, min_interval_ms_))); | |
47 } | |
48 | |
49 } // namespace webrtc | |
OLD | NEW |