19a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org/* 29a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org * Copyright (c) 2013 The WebRTC project authors. All Rights Reserved. 39a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org * 49a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org * Use of this source code is governed by a BSD-style license 59a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org * that can be found in the LICENSE file in the root of the source 69a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org * tree. An additional intellectual property rights grant can be found 79a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org * in the file PATENTS. All contributing project authors may 89a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org * be found in the AUTHORS file in the root of the source tree. 99a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org */ 109a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 11e5abc854f3dc47de16067c2a41476c39b7626722henrik.lundin@webrtc.org#ifndef WEBRTC_MODULES_AUDIO_CODING_NETEQ_STATISTICS_CALCULATOR_H_ 12e5abc854f3dc47de16067c2a41476c39b7626722henrik.lundin@webrtc.org#define WEBRTC_MODULES_AUDIO_CODING_NETEQ_STATISTICS_CALCULATOR_H_ 139a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 149a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org#include <vector> 159a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 16774b3d38a4a0f1a8ec08972a3c543cb5d607ce13henrike@webrtc.org#include "webrtc/base/constructormagic.h" 17e5abc854f3dc47de16067c2a41476c39b7626722henrik.lundin@webrtc.org#include "webrtc/modules/audio_coding/neteq/interface/neteq.h" 189a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org#include "webrtc/typedefs.h" 199a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 209a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.orgnamespace webrtc { 219a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 229a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org// Forward declarations. 239a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.orgclass DecisionLogic; 249a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.orgclass DelayManager; 259a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 269a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org// This class handles various network statistics in NetEq. 279a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.orgclass StatisticsCalculator { 289a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org public: 299a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org StatisticsCalculator(); 309a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 319a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org virtual ~StatisticsCalculator() {} 329a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 339a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org // Resets most of the counters. 349a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org void Reset(); 359a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 369a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org // Resets the counters that are not handled by Reset(). 379a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org void ResetMcu(); 389a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 399a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org // Resets the waiting time statistics. 409a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org void ResetWaitingTimeStatistics(); 419a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 429a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org // Reports that |num_samples| samples were produced through expansion, and 439a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org // that the expansion produced other than just noise samples. 449a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org void ExpandedVoiceSamples(int num_samples); 459a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 469a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org // Reports that |num_samples| samples were produced through expansion, and 479a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org // that the expansion produced only noise samples. 489a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org void ExpandedNoiseSamples(int num_samples); 499a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 509a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org // Reports that |num_samples| samples were produced through preemptive 519a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org // expansion. 529a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org void PreemptiveExpandedSamples(int num_samples); 539a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 549a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org // Reports that |num_samples| samples were removed through accelerate. 559a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org void AcceleratedSamples(int num_samples); 569a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 579a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org // Reports that |num_samples| zeros were inserted into the output. 589a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org void AddZeros(int num_samples); 599a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 609a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org // Reports that |num_packets| packets were discarded. 619a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org void PacketsDiscarded(int num_packets); 629a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 639a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org // Reports that |num_samples| were lost. 649a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org void LostSamples(int num_samples); 659a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 669a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org // Increases the report interval counter with |num_samples| at a sample rate 679a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org // of |fs_hz|. 689a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org void IncreaseCounter(int num_samples, int fs_hz); 699a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 709a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org // Stores new packet waiting time in waiting time statistics. 719a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org void StoreWaitingTime(int waiting_time_ms); 729a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 739a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org // Returns the current network statistics in |stats|. The current sample rate 749a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org // is |fs_hz|, the total number of samples in packet buffer and sync buffer 759a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org // yet to play out is |num_samples_in_buffers|, and the number of samples per 769a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org // packet is |samples_per_packet|. 779a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org void GetNetworkStatistics(int fs_hz, 789a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org int num_samples_in_buffers, 799a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org int samples_per_packet, 809a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org const DelayManager& delay_manager, 819a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org const DecisionLogic& decision_logic, 829a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org NetEqNetworkStatistics *stats); 839a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 849a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org void WaitingTimes(std::vector<int>* waiting_times); 859a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 869a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org private: 879a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org static const int kMaxReportPeriod = 60; // Seconds before auto-reset. 889a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org static const int kLenWaitingTimes = 100; 899a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 909a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org // Calculates numerator / denominator, and returns the value in Q14. 919a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org static int CalculateQ14Ratio(uint32_t numerator, uint32_t denominator); 929a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 939a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org uint32_t preemptive_samples_; 949a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org uint32_t accelerate_samples_; 959a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org int added_zero_samples_; 969a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org uint32_t expanded_voice_samples_; 979a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org uint32_t expanded_noise_samples_; 989a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org int discarded_packets_; 999a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org uint32_t lost_timestamps_; 1009a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org uint32_t last_report_timestamp_; 1019a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org int waiting_times_[kLenWaitingTimes]; // Used as a circular buffer. 1029a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org int len_waiting_times_; 1039a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org int next_waiting_time_index_; 1049a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 1059a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org DISALLOW_COPY_AND_ASSIGN(StatisticsCalculator); 1069a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org}; 1079a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org 1089a400812ca0006d12e538d465ab6728a8ecd07aahenrik.lundin@webrtc.org} // namespace webrtc 109e5abc854f3dc47de16067c2a41476c39b7626722henrik.lundin@webrtc.org#endif // WEBRTC_MODULES_AUDIO_CODING_NETEQ_STATISTICS_CALCULATOR_H_ 110