chromium/third_party/webrtc/modules/audio_coding/audio_network_adaptor/frame_length_controller.cc

/*
 *  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.
 */

#include "modules/audio_coding/audio_network_adaptor/frame_length_controller.h"

#include <algorithm>
#include <iterator>
#include <utility>

#include "rtc_base/checks.h"

namespace webrtc {

namespace {
constexpr int kPreventOveruseMarginBps = …;

int OverheadRateBps(size_t overhead_bytes_per_packet, int frame_length_ms) { … }
}  // namespace

FrameLengthController::Config::Config(
    const std::set<int>& encoder_frame_lengths_ms,
    int initial_frame_length_ms,
    int min_encoder_bitrate_bps,
    float fl_increasing_packet_loss_fraction,
    float fl_decreasing_packet_loss_fraction,
    int fl_increase_overhead_offset,
    int fl_decrease_overhead_offset,
    std::map<FrameLengthChange, int> fl_changing_bandwidths_bps)
    : … { … }

FrameLengthController::Config::Config(const Config& other) = default;

FrameLengthController::Config::~Config() = default;

FrameLengthController::FrameLengthController(const Config& config)
    : … { … }

FrameLengthController::~FrameLengthController() = default;

void FrameLengthController::UpdateNetworkMetrics(
    const NetworkMetrics& network_metrics) { … }

void FrameLengthController::MakeDecision(AudioEncoderRuntimeConfig* config) { … }

FrameLengthController::Config::FrameLengthChange::FrameLengthChange(
    int from_frame_length_ms,
    int to_frame_length_ms)
    : … { … }

bool FrameLengthController::Config::FrameLengthChange::operator<(
    const FrameLengthChange& rhs) const { … }

bool FrameLengthController::FrameLengthIncreasingDecision(
    const AudioEncoderRuntimeConfig& config) { … }

bool FrameLengthController::FrameLengthDecreasingDecision(
    const AudioEncoderRuntimeConfig& config) { … }

}  // namespace webrtc