1 /* 2 * Copyright (c) 2017 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 #ifndef MODULES_AUDIO_PROCESSING_AEC3_RENDER_DELAY_CONTROLLER_METRICS_H_ 12 #define MODULES_AUDIO_PROCESSING_AEC3_RENDER_DELAY_CONTROLLER_METRICS_H_ 13 14 #include "api/optional.h" 15 #include "rtc_base/constructormagic.h" 16 17 namespace webrtc { 18 19 // Handles the reporting of metrics for the render delay controller. 20 class RenderDelayControllerMetrics { 21 public: 22 RenderDelayControllerMetrics() = default; 23 24 // Updates the metric with new data. 25 void Update(rtc::Optional<size_t> delay_samples, size_t buffer_delay_blocks); 26 27 // Returns true if the metrics have just been reported, otherwise false. MetricsReported()28 bool MetricsReported() { return metrics_reported_; } 29 30 private: 31 // Resets the metrics. 32 void ResetMetrics(); 33 34 size_t delay_blocks_ = 0; 35 int reliable_delay_estimate_counter_ = 0; 36 int delay_change_counter_ = 0; 37 int call_counter_ = 0; 38 int initial_call_counter_ = 0; 39 bool metrics_reported_ = false; 40 bool initial_update = true; 41 42 RTC_DISALLOW_COPY_AND_ASSIGN(RenderDelayControllerMetrics); 43 }; 44 45 } // namespace webrtc 46 47 #endif // MODULES_AUDIO_PROCESSING_AEC3_RENDER_DELAY_CONTROLLER_METRICS_H_ 48