From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- third_party/libwebrtc/video/quality_threshold.h | 53 +++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 third_party/libwebrtc/video/quality_threshold.h (limited to 'third_party/libwebrtc/video/quality_threshold.h') diff --git a/third_party/libwebrtc/video/quality_threshold.h b/third_party/libwebrtc/video/quality_threshold.h new file mode 100644 index 0000000000..a193aa7f01 --- /dev/null +++ b/third_party/libwebrtc/video/quality_threshold.h @@ -0,0 +1,53 @@ +/* + * 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. + */ + +#ifndef VIDEO_QUALITY_THRESHOLD_H_ +#define VIDEO_QUALITY_THRESHOLD_H_ + +#include + +#include "absl/types/optional.h" + +namespace webrtc { + +class QualityThreshold { + public: + // Both thresholds are inclusive, i.e. measurement >= high signifies a high + // state, while measurement <= low signifies a low state. + QualityThreshold(int low_threshold, + int high_threshold, + float fraction, + int max_measurements); + ~QualityThreshold(); + + void AddMeasurement(int measurement); + absl::optional IsHigh() const; + absl::optional CalculateVariance() const; + absl::optional FractionHigh(int min_required_samples) const; + + private: + const std::unique_ptr buffer_; + const int max_measurements_; + const float fraction_; + const int low_threshold_; + const int high_threshold_; + int until_full_; + int next_index_; + absl::optional is_high_; + int sum_; + int count_low_; + int count_high_; + int num_high_states_; + int num_certain_states_; +}; + +} // namespace webrtc + +#endif // VIDEO_QUALITY_THRESHOLD_H_ -- cgit v1.2.3