webrtc/modules/audio_coding/neteq/reorder_optimizer.h
Florent Castelli 8037fc6ffa Migrate absl::optional to std::optional
Bug: webrtc:342905193
No-Try: True
Change-Id: Icc968be43b8830038ea9a1f5f604307220457807
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/361021
Auto-Submit: Florent Castelli <orphis@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Florent Castelli <orphis@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#42911}
2024-09-02 12:16:47 +00:00

44 lines
1.3 KiB
C++

/*
* Copyright (c) 2021 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 MODULES_AUDIO_CODING_NETEQ_REORDER_OPTIMIZER_H_
#define MODULES_AUDIO_CODING_NETEQ_REORDER_OPTIMIZER_H_
#include <optional>
#include "modules/audio_coding/neteq/histogram.h"
namespace webrtc {
// Calculates an optimal delay to reduce the chance of missing reordered
// packets. The delay/loss trade-off can be tune using the `ms_per_loss_percent`
// parameter.
class ReorderOptimizer {
public:
ReorderOptimizer(int forget_factor,
int ms_per_loss_percent,
std::optional<int> start_forget_weight);
void Update(int relative_delay_ms, bool reordered, int base_delay_ms);
std::optional<int> GetOptimalDelayMs() const { return optimal_delay_ms_; }
void Reset();
private:
int MinimizeCostFunction(int base_delay_ms) const;
Histogram histogram_;
const int ms_per_loss_percent_;
std::optional<int> optimal_delay_ms_;
};
} // namespace webrtc
#endif // MODULES_AUDIO_CODING_NETEQ_REORDER_OPTIMIZER_H_