controller_manager.cc | Explore in Territory

/*
 *  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/controller_manager.h"

#include <cmath>
#include <memory>
#include <string>
#include <utility>

#include "absl/strings/string_view.h"
#include "modules/audio_coding/audio_network_adaptor/bitrate_controller.h"
#include "modules/audio_coding/audio_network_adaptor/channel_controller.h"
#include "modules/audio_coding/audio_network_adaptor/debug_dump_writer.h"
#include "modules/audio_coding/audio_network_adaptor/dtx_controller.h"
#include "modules/audio_coding/audio_network_adaptor/fec_controller_plr_based.h"
#include "modules/audio_coding/audio_network_adaptor/frame_length_controller.h"
#include "modules/audio_coding/audio_network_adaptor/frame_length_controller_v2.h"
#include "modules/audio_coding/audio_network_adaptor/util/threshold_curve.h"
#include "rtc_base/logging.h"
#include "rtc_base/time_utils.h"

#if WEBRTC_ENABLE_PROTOBUF
#ifdef WEBRTC_ANDROID_PLATFORM_BUILD
#include "external/webrtc/webrtc/modules/audio_coding/audio_network_adaptor/config.pb.h"
#else
#include "modules/audio_coding/audio_network_adaptor/config.pb.h"
#endif

#endif

namespace webrtc {

namespace {

#if WEBRTC_ENABLE_PROTOBUF

std::unique_ptr<FecControllerPlrBased> CreateFecControllerPlrBased(
    const audio_network_adaptor::config::FecController& config,
    bool initial_fec_enabled) { … }

std::unique_ptr<FrameLengthController> CreateFrameLengthController(
    const audio_network_adaptor::config::FrameLengthController& config,
    rtc::ArrayView<const int> encoder_frame_lengths_ms,
    int initial_frame_length_ms,
    int min_encoder_bitrate_bps) { … }

std::unique_ptr<ChannelController> CreateChannelController(
    const audio_network_adaptor::config::ChannelController& config,
    size_t num_encoder_channels,
    size_t intial_channels_to_encode) { … }

std::unique_ptr<DtxController> CreateDtxController(
    const audio_network_adaptor::config::DtxController& dtx_config,
    bool initial_dtx_enabled) { … }

BitrateController;
std::unique_ptr<BitrateController> CreateBitrateController(
    const audio_network_adaptor::config::BitrateController& bitrate_config,
    int initial_bitrate_bps,
    int initial_frame_length_ms) { … }

std::unique_ptr<FrameLengthControllerV2> CreateFrameLengthControllerV2(
    const audio_network_adaptor::config::FrameLengthControllerV2& config,
    rtc::ArrayView<const int> encoder_frame_lengths_ms) { … }
#endif  // WEBRTC_ENABLE_PROTOBUF

}  // namespace

ControllerManagerImpl::Config::Config(int min_reordering_time_ms,
                                      float min_reordering_squared_distance)
    : … { … }

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

std::unique_ptr<ControllerManager> ControllerManagerImpl::Create(
    absl::string_view config_string,
    size_t num_encoder_channels,
    rtc::ArrayView<const int> encoder_frame_lengths_ms,
    int min_encoder_bitrate_bps,
    size_t intial_channels_to_encode,
    int initial_frame_length_ms,
    int initial_bitrate_bps,
    bool initial_fec_enabled,
    bool initial_dtx_enabled) { … }

std::unique_ptr<ControllerManager> ControllerManagerImpl::Create(
    absl::string_view config_string,
    size_t num_encoder_channels,
    rtc::ArrayView<const int> encoder_frame_lengths_ms,
    int min_encoder_bitrate_bps,
    size_t intial_channels_to_encode,
    int initial_frame_length_ms,
    int initial_bitrate_bps,
    bool initial_fec_enabled,
    bool initial_dtx_enabled,
    DebugDumpWriter* debug_dump_writer) { … }

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

ControllerManagerImpl::ControllerManagerImpl(
    const Config& config,
    std::vector<std::unique_ptr<Controller>> controllers,
    const std::map<const Controller*, std::pair<int, float>>& scoring_points)
    : … { … }

ControllerManagerImpl::~ControllerManagerImpl() = default;

std::vector<Controller*> ControllerManagerImpl::GetSortedControllers(
    const Controller::NetworkMetrics& metrics) { … }

std::vector<Controller*> ControllerManagerImpl::GetControllers() const { … }

ControllerManagerImpl::ScoringPoint::ScoringPoint(
    int uplink_bandwidth_bps,
    float uplink_packet_loss_fraction)
    : … { … }

namespace {

constexpr int kMinUplinkBandwidthBps = …;
constexpr int kMaxUplinkBandwidthBps = …;

float NormalizeUplinkBandwidth(int uplink_bandwidth_bps) { … }

float NormalizePacketLossFraction(float uplink_packet_loss_fraction) { … }

}  // namespace

float ControllerManagerImpl::ScoringPoint::SquaredDistanceTo(
    const ScoringPoint& scoring_point) const { … }

}  // namespace webrtc
chromium/third_party/webrtc/modules/audio_coding/audio_network_adaptor/controller_manager.cc
