b507daf411
This makes the delay manager interface significantly simpler and easier to expose. Bug: None Change-Id: Ie3d37c3b869eb17ca421a76e9d1af8f0a1a36ee5 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/364781 Commit-Queue: Jakob Ivarsson <jakobi@webrtc.org> Reviewed-by: Henrik Lundin <henrik.lundin@webrtc.org> Cr-Commit-Position: refs/heads/main@{#43186}
70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
/*
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* Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef MODULES_AUDIO_CODING_NETEQ_DELAY_MANAGER_H_
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#define MODULES_AUDIO_CODING_NETEQ_DELAY_MANAGER_H_
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#include <memory>
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#include <optional>
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#include "api/field_trials_view.h"
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#include "api/neteq/tick_timer.h"
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#include "modules/audio_coding/neteq/reorder_optimizer.h"
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#include "modules/audio_coding/neteq/underrun_optimizer.h"
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namespace webrtc {
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class DelayManager {
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public:
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struct Config {
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explicit Config(const FieldTrialsView& field_trials);
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void Log();
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// Options that can be configured via field trial.
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double quantile = 0.95;
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double forget_factor = 0.983;
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std::optional<double> start_forget_weight = 2;
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std::optional<int> resample_interval_ms = 500;
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bool use_reorder_optimizer = true;
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double reorder_forget_factor = 0.9993;
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int ms_per_loss_percent = 20;
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};
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DelayManager(const Config& config, const TickTimer* tick_timer);
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virtual ~DelayManager();
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DelayManager(const DelayManager&) = delete;
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DelayManager& operator=(const DelayManager&) = delete;
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// Updates the delay manager that a new packet arrived with delay
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// `arrival_delay_ms`. This updates the statistics and a new target buffer
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// level is calculated. The `reordered` flag indicates if the packet was
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// reordered.
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virtual void Update(int arrival_delay_ms, bool reordered);
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// Resets all state.
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virtual void Reset();
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// Gets the target buffer level in milliseconds. If a minimum or maximum delay
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// has been set, the target delay reported here also respects the configured
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// min/max delay.
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virtual int TargetDelayMs() const;
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private:
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UnderrunOptimizer underrun_optimizer_;
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std::unique_ptr<ReorderOptimizer> reorder_optimizer_;
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int target_level_ms_ = 0; // Currently preferred buffer level.
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};
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} // namespace webrtc
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#endif // MODULES_AUDIO_CODING_NETEQ_DELAY_MANAGER_H_
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