Henrik Boström | ce33b6a | 2019-05-28 17:42:38 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2019 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 "video/quality_limitation_reason_tracker.h" |
| 12 | |
| 13 | #include <utility> |
| 14 | |
| 15 | #include "rtc_base/checks.h" |
| 16 | |
| 17 | namespace webrtc { |
| 18 | |
| 19 | QualityLimitationReasonTracker::QualityLimitationReasonTracker(Clock* clock) |
| 20 | : clock_(clock), |
| 21 | current_reason_(QualityLimitationReason::kNone), |
| 22 | current_reason_updated_timestamp_ms_(clock_->TimeInMilliseconds()), |
| 23 | durations_ms_({std::make_pair(QualityLimitationReason::kNone, 0), |
| 24 | std::make_pair(QualityLimitationReason::kCpu, 0), |
| 25 | std::make_pair(QualityLimitationReason::kBandwidth, 0), |
| 26 | std::make_pair(QualityLimitationReason::kOther, 0)}) {} |
| 27 | |
| 28 | QualityLimitationReason QualityLimitationReasonTracker::current_reason() const { |
| 29 | return current_reason_; |
| 30 | } |
| 31 | |
| 32 | void QualityLimitationReasonTracker::SetReason(QualityLimitationReason reason) { |
| 33 | if (reason == current_reason_) |
| 34 | return; |
| 35 | int64_t now_ms = clock_->TimeInMilliseconds(); |
| 36 | durations_ms_[current_reason_] += |
| 37 | now_ms - current_reason_updated_timestamp_ms_; |
| 38 | current_reason_ = reason; |
| 39 | current_reason_updated_timestamp_ms_ = now_ms; |
| 40 | } |
| 41 | |
| 42 | std::map<QualityLimitationReason, int64_t> |
| 43 | QualityLimitationReasonTracker::DurationsMs() const { |
| 44 | std::map<QualityLimitationReason, int64_t> total_durations_ms = durations_ms_; |
| 45 | auto it = total_durations_ms.find(current_reason_); |
| 46 | RTC_DCHECK(it != total_durations_ms.end()); |
| 47 | it->second += |
| 48 | clock_->TimeInMilliseconds() - current_reason_updated_timestamp_ms_; |
| 49 | return total_durations_ms; |
| 50 | } |
| 51 | |
| 52 | } // namespace webrtc |