Repo created

TMessagesProj/jni/voip/webrtc/api/transport/OWNERS

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+srte@webrtc.org
+terelius@webrtc.org

TMessagesProj/jni/voip/webrtc/api/transport/bandwidth_estimation_settings.h

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+/*
+ *  Copyright (c) 2024 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 API_TRANSPORT_BANDWIDTH_ESTIMATION_SETTINGS_H_
+#define API_TRANSPORT_BANDWIDTH_ESTIMATION_SETTINGS_H_
+
+#include "rtc_base/system/rtc_export.h"
+namespace webrtc {
+// Configuration settings affecting bandwidth estimation.
+// These settings can be set and changed by an application.
+struct RTC_EXPORT BandwidthEstimationSettings {
+  // A bandwith estimation probe may be sent using a RtpTransceiver with
+  // direction SendOnly or SendRecv that supports RTX. The probe can be sent
+  // without first sending media packets in which case Rtp padding packets are
+  // used.
+  bool allow_probe_without_media = false;
+};
+
+}  // namespace webrtc
+#endif  // API_TRANSPORT_BANDWIDTH_ESTIMATION_SETTINGS_H_

TMessagesProj/jni/voip/webrtc/api/transport/bitrate_settings.cc

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+/*
+ *  Copyright (c) 2018 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 "api/transport/bitrate_settings.h"
+
+namespace webrtc {
+
+BitrateSettings::BitrateSettings() = default;
+BitrateSettings::~BitrateSettings() = default;
+BitrateSettings::BitrateSettings(const BitrateSettings&) = default;
+
+}  // namespace webrtc

TMessagesProj/jni/voip/webrtc/api/transport/bitrate_settings.h

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+/*
+ *  Copyright (c) 2018 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 API_TRANSPORT_BITRATE_SETTINGS_H_
+#define API_TRANSPORT_BITRATE_SETTINGS_H_
+
+#include <algorithm>
+
+#include "absl/types/optional.h"
+#include "rtc_base/system/rtc_export.h"
+
+namespace webrtc {
+
+// Configuration of send bitrate. The `start_bitrate_bps` value is
+// used for multiple purposes, both as a prior in the bandwidth
+// estimator, and for initial configuration of the encoder. We may
+// want to create separate apis for those, and use a smaller struct
+// with only the min and max constraints.
+struct RTC_EXPORT BitrateSettings {
+  BitrateSettings();
+  ~BitrateSettings();
+  BitrateSettings(const BitrateSettings&);
+  // 0 <= min <= start <= max should hold for set parameters.
+  absl::optional<int> min_bitrate_bps;
+  absl::optional<int> start_bitrate_bps;
+  absl::optional<int> max_bitrate_bps;
+};
+
+// TODO(srte): BitrateConstraints and BitrateSettings should be merged.
+// Both represent the same kind data, but are using different default
+// initializer and representation of unset values.
+struct BitrateConstraints {
+  int min_bitrate_bps = 0;
+  int start_bitrate_bps = kDefaultStartBitrateBps;
+  int max_bitrate_bps = -1;
+
+ private:
+  static constexpr int kDefaultStartBitrateBps = 300000;
+};
+
+}  // namespace webrtc
+
+#endif  // API_TRANSPORT_BITRATE_SETTINGS_H_

TMessagesProj/jni/voip/webrtc/api/transport/data_channel_transport_interface.h

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+/* Copyright 2019 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.
+ */
+
+// This is an experimental interface and is subject to change without notice.
+
+#ifndef API_TRANSPORT_DATA_CHANNEL_TRANSPORT_INTERFACE_H_
+#define API_TRANSPORT_DATA_CHANNEL_TRANSPORT_INTERFACE_H_
+
+#include "absl/types/optional.h"
+#include "api/rtc_error.h"
+#include "rtc_base/copy_on_write_buffer.h"
+
+namespace webrtc {
+
+// Supported types of application data messages.
+enum class DataMessageType {
+  // Application data buffer with the binary bit unset.
+  kText,
+
+  // Application data buffer with the binary bit set.
+  kBinary,
+
+  // Transport-agnostic control messages, such as open or open-ack messages.
+  kControl,
+};
+
+// Parameters for sending data.  The parameters may change from message to
+// message, even within a single channel.  For example, control messages may be
+// sent reliably and in-order, even if the data channel is configured for
+// unreliable delivery.
+struct SendDataParams {
+  DataMessageType type = DataMessageType::kText;
+
+  // Whether to deliver the message in order with respect to other ordered
+  // messages with the same channel_id.
+  bool ordered = false;
+
+  // If set, the maximum number of times this message may be
+  // retransmitted by the transport before it is dropped.
+  // Setting this value to zero disables retransmission.
+  // Valid values are in the range [0-UINT16_MAX].
+  // `max_rtx_count` and `max_rtx_ms` may not be set simultaneously.
+  absl::optional<int> max_rtx_count;
+
+  // If set, the maximum number of milliseconds for which the transport
+  // may retransmit this message before it is dropped.
+  // Setting this value to zero disables retransmission.
+  // Valid values are in the range [0-UINT16_MAX].
+  // `max_rtx_count` and `max_rtx_ms` may not be set simultaneously.
+  absl::optional<int> max_rtx_ms;
+};
+
+// Sink for callbacks related to a data channel.
+class DataChannelSink {
+ public:
+  virtual ~DataChannelSink() = default;
+
+  // Callback issued when data is received by the transport.
+  virtual void OnDataReceived(int channel_id,
+                              DataMessageType type,
+                              const rtc::CopyOnWriteBuffer& buffer) = 0;
+
+  // Callback issued when a remote data channel begins the closing procedure.
+  // Messages sent after the closing procedure begins will not be transmitted.
+  virtual void OnChannelClosing(int channel_id) = 0;
+
+  // Callback issued when a (remote or local) data channel completes the closing
+  // procedure.  Closing channels become closed after all pending data has been
+  // transmitted.
+  virtual void OnChannelClosed(int channel_id) = 0;
+
+  // Callback issued when the data channel becomes ready to send.
+  // This callback will be issued immediately when the data channel sink is
+  // registered if the transport is ready at that time.  This callback may be
+  // invoked again following send errors (eg. due to the transport being
+  // temporarily blocked or unavailable).
+  virtual void OnReadyToSend() = 0;
+
+  // Callback issued when the data channel becomes unusable (closed).
+  // TODO(https://crbug.com/webrtc/10360): Make pure virtual when all
+  // consumers updated.
+  virtual void OnTransportClosed(RTCError error) {}
+};
+
+// Transport for data channels.
+class DataChannelTransportInterface {
+ public:
+  virtual ~DataChannelTransportInterface() = default;
+
+  // Opens a data `channel_id` for sending.  May return an error if the
+  // specified `channel_id` is unusable.  Must be called before `SendData`.
+  virtual RTCError OpenChannel(int channel_id) = 0;
+
+  // Sends a data buffer to the remote endpoint using the given send parameters.
+  // `buffer` may not be larger than 256 KiB. Returns an error if the send
+  // fails.
+  virtual RTCError SendData(int channel_id,
+                            const SendDataParams& params,
+                            const rtc::CopyOnWriteBuffer& buffer) = 0;
+
+  // Closes `channel_id` gracefully.  Returns an error if `channel_id` is not
+  // open.  Data sent after the closing procedure begins will not be
+  // transmitted. The channel becomes closed after pending data is transmitted.
+  virtual RTCError CloseChannel(int channel_id) = 0;
+
+  // Sets a sink for data messages and channel state callbacks. Before media
+  // transport is destroyed, the sink must be unregistered by setting it to
+  // nullptr.
+  virtual void SetDataSink(DataChannelSink* sink) = 0;
+
+  // Returns whether this data channel transport is ready to send.
+  // Note: the default implementation always returns false (as it assumes no one
+  // has implemented the interface).  This default implementation is temporary.
+  virtual bool IsReadyToSend() const = 0;
+};
+
+}  // namespace webrtc
+
+#endif  // API_TRANSPORT_DATA_CHANNEL_TRANSPORT_INTERFACE_H_

TMessagesProj/jni/voip/webrtc/api/transport/enums.h

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+/*
+ *  Copyright 2018 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 API_TRANSPORT_ENUMS_H_
+#define API_TRANSPORT_ENUMS_H_
+
+namespace webrtc {
+
+// See https://w3c.github.io/webrtc-pc/#rtcicetransportstate
+// Note that kFailed is currently not a terminal state, and a transport might
+// incorrectly be marked as failed while gathering candidates, see
+// bugs.webrtc.org/8833
+enum class IceTransportState {
+  kNew,
+  kChecking,
+  kConnected,
+  kCompleted,
+  kFailed,
+  kDisconnected,
+  kClosed,
+};
+
+enum PortPrunePolicy {
+  NO_PRUNE,                 // Do not prune.
+  PRUNE_BASED_ON_PRIORITY,  // Prune lower-priority ports on the same network.
+  KEEP_FIRST_READY          // Keep the first ready port and prune the rest
+                            // on the same network.
+};
+
+enum class VpnPreference {
+  kDefault,      // No VPN preference.
+  kOnlyUseVpn,   // only use VPN connections.
+  kNeverUseVpn,  // never use VPN connections
+  kPreferVpn,    // use a VPN connection if possible,
+                 // i.e VPN connections sorts first.
+  kAvoidVpn,     // only use VPN if there is no other connections,
+                 // i.e VPN connections sorts last.
+};
+
+}  // namespace webrtc
+
+#endif  // API_TRANSPORT_ENUMS_H_

TMessagesProj/jni/voip/webrtc/api/transport/field_trial_based_config.cc

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+/*
+ *  Copyright 2019 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 "api/transport/field_trial_based_config.h"
+
+#include "system_wrappers/include/field_trial.h"
+
+namespace webrtc {
+std::string FieldTrialBasedConfig::GetValue(absl::string_view key) const {
+  return webrtc::field_trial::FindFullName(std::string(key));
+}
+}  // namespace webrtc

TMessagesProj/jni/voip/webrtc/api/transport/field_trial_based_config.h

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+/*
+ *  Copyright 2019 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 API_TRANSPORT_FIELD_TRIAL_BASED_CONFIG_H_
+#define API_TRANSPORT_FIELD_TRIAL_BASED_CONFIG_H_
+
+#include <string>
+
+#include "absl/strings/string_view.h"
+#include "api/field_trials_registry.h"
+#include "rtc_base/system/rtc_export.h"
+
+namespace webrtc {
+// Implementation using the field trial API fo the key value lookup.
+class RTC_EXPORT FieldTrialBasedConfig : public FieldTrialsRegistry {
+ private:
+  std::string GetValue(absl::string_view key) const override;
+};
+}  // namespace webrtc
+
+#endif  // API_TRANSPORT_FIELD_TRIAL_BASED_CONFIG_H_

TMessagesProj/jni/voip/webrtc/api/transport/goog_cc_factory.cc

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+/*
+ *  Copyright (c) 2018 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 "api/transport/goog_cc_factory.h"
+
+#include <memory>
+#include <utility>
+
+#include "modules/congestion_controller/goog_cc/goog_cc_network_control.h"
+
+namespace webrtc {
+GoogCcNetworkControllerFactory::GoogCcNetworkControllerFactory(
+    RtcEventLog* event_log)
+    : event_log_(event_log) {}
+
+GoogCcNetworkControllerFactory::GoogCcNetworkControllerFactory(
+    NetworkStatePredictorFactoryInterface* network_state_predictor_factory) {
+  factory_config_.network_state_predictor_factory =
+      network_state_predictor_factory;
+}
+
+GoogCcNetworkControllerFactory::GoogCcNetworkControllerFactory(
+    GoogCcFactoryConfig config)
+    : factory_config_(std::move(config)) {}
+
+std::unique_ptr<NetworkControllerInterface>
+GoogCcNetworkControllerFactory::Create(NetworkControllerConfig config) {
+  if (event_log_)
+    config.event_log = event_log_;
+  GoogCcConfig goog_cc_config;
+  goog_cc_config.feedback_only = factory_config_.feedback_only;
+  if (factory_config_.network_state_estimator_factory) {
+    RTC_DCHECK(config.key_value_config);
+    goog_cc_config.network_state_estimator =
+        factory_config_.network_state_estimator_factory->Create(
+            config.key_value_config);
+  }
+  if (factory_config_.network_state_predictor_factory) {
+    goog_cc_config.network_state_predictor =
+        factory_config_.network_state_predictor_factory
+            ->CreateNetworkStatePredictor();
+  }
+  return std::make_unique<GoogCcNetworkController>(config,
+                                                   std::move(goog_cc_config));
+}
+
+TimeDelta GoogCcNetworkControllerFactory::GetProcessInterval() const {
+  const int64_t kUpdateIntervalMs = 25;
+  return TimeDelta::Millis(kUpdateIntervalMs);
+}
+
+GoogCcFeedbackNetworkControllerFactory::GoogCcFeedbackNetworkControllerFactory(
+    RtcEventLog* event_log)
+    : GoogCcNetworkControllerFactory(event_log) {
+  factory_config_.feedback_only = true;
+}
+
+}  // namespace webrtc

TMessagesProj/jni/voip/webrtc/api/transport/goog_cc_factory.h

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+/*
+ *  Copyright (c) 2018 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 API_TRANSPORT_GOOG_CC_FACTORY_H_
+#define API_TRANSPORT_GOOG_CC_FACTORY_H_
+#include <memory>
+
+#include "absl/base/attributes.h"
+#include "api/network_state_predictor.h"
+#include "api/transport/network_control.h"
+
+namespace webrtc {
+class RtcEventLog;
+
+struct GoogCcFactoryConfig {
+  std::unique_ptr<NetworkStateEstimatorFactory>
+      network_state_estimator_factory = nullptr;
+  NetworkStatePredictorFactoryInterface* network_state_predictor_factory =
+      nullptr;
+  bool feedback_only = false;
+};
+
+class GoogCcNetworkControllerFactory
+    : public NetworkControllerFactoryInterface {
+ public:
+  GoogCcNetworkControllerFactory() = default;
+  ABSL_DEPRECATED("")
+  explicit GoogCcNetworkControllerFactory(RtcEventLog* event_log);
+  explicit GoogCcNetworkControllerFactory(
+      NetworkStatePredictorFactoryInterface* network_state_predictor_factory);
+
+  explicit GoogCcNetworkControllerFactory(GoogCcFactoryConfig config);
+  std::unique_ptr<NetworkControllerInterface> Create(
+      NetworkControllerConfig config) override;
+  TimeDelta GetProcessInterval() const override;
+
+ protected:
+  RtcEventLog* const event_log_ = nullptr;
+  GoogCcFactoryConfig factory_config_;
+};
+
+// Deprecated, use GoogCcFactoryConfig to enable feedback only mode instead.
+// Factory to create packet feedback only GoogCC, this can be used for
+// connections providing packet receive time feedback but no other reports.
+class ABSL_DEPRECATED("use GoogCcFactoryConfig instead")
+    GoogCcFeedbackNetworkControllerFactory
+    : public GoogCcNetworkControllerFactory {
+ public:
+  explicit GoogCcFeedbackNetworkControllerFactory(RtcEventLog* event_log);
+};
+
+}  // namespace webrtc
+
+#endif  // API_TRANSPORT_GOOG_CC_FACTORY_H_

TMessagesProj/jni/voip/webrtc/api/transport/network_control.h

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+/*
+ *  Copyright (c) 2018 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 API_TRANSPORT_NETWORK_CONTROL_H_
+#define API_TRANSPORT_NETWORK_CONTROL_H_
+#include <stdint.h>
+
+#include <memory>
+
+#include "absl/base/attributes.h"
+#include "api/field_trials_view.h"
+#include "api/rtc_event_log/rtc_event_log.h"
+#include "api/transport/network_types.h"
+
+namespace webrtc {
+
+class TargetTransferRateObserver {
+ public:
+  virtual ~TargetTransferRateObserver() = default;
+  // Called to indicate target transfer rate as well as giving information about
+  // the current estimate of network parameters.
+  virtual void OnTargetTransferRate(TargetTransferRate) = 0;
+  // Called to provide updates to the expected target rate in case it changes
+  // before the first call to OnTargetTransferRate.
+  virtual void OnStartRateUpdate(DataRate) {}
+};
+
+// Configuration sent to factory create function. The parameters here are
+// optional to use for a network controller implementation.
+struct NetworkControllerConfig {
+  // The initial constraints to start with, these can be changed at any later
+  // time by calls to OnTargetRateConstraints. Note that the starting rate
+  // has to be set initially to provide a starting state for the network
+  // controller, even though the field is marked as optional.
+  TargetRateConstraints constraints;
+  // Initial stream specific configuration, these are changed at any later time
+  // by calls to OnStreamsConfig.
+  StreamsConfig stream_based_config;
+
+  // Optional override of configuration of WebRTC internals. Using nullptr here
+  // indicates that the field trial API will be used.
+  const FieldTrialsView* key_value_config = nullptr;
+  // Optional override of event log.
+  RtcEventLog* event_log = nullptr;
+};
+
+// NetworkControllerInterface is implemented by network controllers. A network
+// controller is a class that uses information about network state and traffic
+// to estimate network parameters such as round trip time and bandwidth. Network
+// controllers does not guarantee thread safety, the interface must be used in a
+// non-concurrent fashion.
+class NetworkControllerInterface {
+ public:
+  virtual ~NetworkControllerInterface() = default;
+
+  // Called when network availabilty changes.
+  ABSL_MUST_USE_RESULT virtual NetworkControlUpdate OnNetworkAvailability(
+      NetworkAvailability) = 0;
+  // Called when the receiving or sending endpoint changes address.
+  ABSL_MUST_USE_RESULT virtual NetworkControlUpdate OnNetworkRouteChange(
+      NetworkRouteChange) = 0;
+  // Called periodically with a periodicy as specified by
+  // NetworkControllerFactoryInterface::GetProcessInterval.
+  ABSL_MUST_USE_RESULT virtual NetworkControlUpdate OnProcessInterval(
+      ProcessInterval) = 0;
+  // Called when remotely calculated bitrate is received.
+  ABSL_MUST_USE_RESULT virtual NetworkControlUpdate OnRemoteBitrateReport(
+      RemoteBitrateReport) = 0;
+  // Called round trip time has been calculated by protocol specific mechanisms.
+  ABSL_MUST_USE_RESULT virtual NetworkControlUpdate OnRoundTripTimeUpdate(
+      RoundTripTimeUpdate) = 0;
+  // Called when a packet is sent on the network.
+  ABSL_MUST_USE_RESULT virtual NetworkControlUpdate OnSentPacket(
+      SentPacket) = 0;
+  // Called when a packet is received from the remote client.
+  ABSL_MUST_USE_RESULT virtual NetworkControlUpdate OnReceivedPacket(
+      ReceivedPacket) = 0;
+  // Called when the stream specific configuration has been updated.
+  ABSL_MUST_USE_RESULT virtual NetworkControlUpdate OnStreamsConfig(
+      StreamsConfig) = 0;
+  // Called when target transfer rate constraints has been changed.
+  ABSL_MUST_USE_RESULT virtual NetworkControlUpdate OnTargetRateConstraints(
+      TargetRateConstraints) = 0;
+  // Called when a protocol specific calculation of packet loss has been made.
+  ABSL_MUST_USE_RESULT virtual NetworkControlUpdate OnTransportLossReport(
+      TransportLossReport) = 0;
+  // Called with per packet feedback regarding receive time.
+  ABSL_MUST_USE_RESULT virtual NetworkControlUpdate OnTransportPacketsFeedback(
+      TransportPacketsFeedback) = 0;
+  // Called with network state estimate updates.
+  ABSL_MUST_USE_RESULT virtual NetworkControlUpdate OnNetworkStateEstimate(
+      NetworkStateEstimate) = 0;
+};
+
+// NetworkControllerFactoryInterface is an interface for creating a network
+// controller.
+class NetworkControllerFactoryInterface {
+ public:
+  virtual ~NetworkControllerFactoryInterface() = default;
+
+  // Used to create a new network controller, requires an observer to be
+  // provided to handle callbacks.
+  virtual std::unique_ptr<NetworkControllerInterface> Create(
+      NetworkControllerConfig config) = 0;
+  // Returns the interval by which the network controller expects
+  // OnProcessInterval calls.
+  virtual TimeDelta GetProcessInterval() const = 0;
+};
+
+// Under development, subject to change without notice.
+class NetworkStateEstimator {
+ public:
+  // Gets the current best estimate according to the estimator.
+  virtual absl::optional<NetworkStateEstimate> GetCurrentEstimate() = 0;
+  // Called with per packet feedback regarding receive time.
+  // Used when the NetworkStateEstimator runs in the sending endpoint.
+  virtual void OnTransportPacketsFeedback(const TransportPacketsFeedback&) = 0;
+  // Called with per packet feedback regarding receive time.
+  // Used when the NetworkStateEstimator runs in the receiving endpoint.
+  virtual void OnReceivedPacket(const PacketResult&) {}
+  // Called when the receiving or sending endpoint changes address.
+  virtual void OnRouteChange(const NetworkRouteChange&) = 0;
+  virtual ~NetworkStateEstimator() = default;
+};
+class NetworkStateEstimatorFactory {
+ public:
+  virtual std::unique_ptr<NetworkStateEstimator> Create(
+      const FieldTrialsView* key_value_config) = 0;
+  virtual ~NetworkStateEstimatorFactory() = default;
+};
+}  // namespace webrtc
+
+#endif  // API_TRANSPORT_NETWORK_CONTROL_H_

TMessagesProj/jni/voip/webrtc/api/transport/network_types.cc

@@ -0,0 +1,106 @@
+/*
+ *  Copyright (c) 2018 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 "api/transport/network_types.h"
+
+#include <algorithm>
+
+namespace webrtc {
+StreamsConfig::StreamsConfig() = default;
+StreamsConfig::StreamsConfig(const StreamsConfig&) = default;
+StreamsConfig::~StreamsConfig() = default;
+
+TargetRateConstraints::TargetRateConstraints() = default;
+TargetRateConstraints::TargetRateConstraints(const TargetRateConstraints&) =
+    default;
+TargetRateConstraints::~TargetRateConstraints() = default;
+
+NetworkRouteChange::NetworkRouteChange() = default;
+NetworkRouteChange::NetworkRouteChange(const NetworkRouteChange&) = default;
+NetworkRouteChange::~NetworkRouteChange() = default;
+
+PacketResult::PacketResult() = default;
+PacketResult::PacketResult(const PacketResult& other) = default;
+PacketResult::~PacketResult() = default;
+
+bool PacketResult::ReceiveTimeOrder::operator()(const PacketResult& lhs,
+                                                const PacketResult& rhs) {
+  if (lhs.receive_time != rhs.receive_time)
+    return lhs.receive_time < rhs.receive_time;
+  if (lhs.sent_packet.send_time != rhs.sent_packet.send_time)
+    return lhs.sent_packet.send_time < rhs.sent_packet.send_time;
+  return lhs.sent_packet.sequence_number < rhs.sent_packet.sequence_number;
+}
+
+TransportPacketsFeedback::TransportPacketsFeedback() = default;
+TransportPacketsFeedback::TransportPacketsFeedback(
+    const TransportPacketsFeedback& other) = default;
+TransportPacketsFeedback::~TransportPacketsFeedback() = default;
+
+std::vector<PacketResult> TransportPacketsFeedback::ReceivedWithSendInfo()
+    const {
+  std::vector<PacketResult> res;
+  for (const PacketResult& fb : packet_feedbacks) {
+    if (fb.IsReceived()) {
+      res.push_back(fb);
+    }
+  }
+  return res;
+}
+
+std::vector<PacketResult> TransportPacketsFeedback::LostWithSendInfo() const {
+  std::vector<PacketResult> res;
+  for (const PacketResult& fb : packet_feedbacks) {
+    if (!fb.IsReceived()) {
+      res.push_back(fb);
+    }
+  }
+  return res;
+}
+
+std::vector<PacketResult> TransportPacketsFeedback::PacketsWithFeedback()
+    const {
+  return packet_feedbacks;
+}
+
+std::vector<PacketResult> TransportPacketsFeedback::SortedByReceiveTime()
+    const {
+  std::vector<PacketResult> res;
+  for (const PacketResult& fb : packet_feedbacks) {
+    if (fb.IsReceived()) {
+      res.push_back(fb);
+    }
+  }
+  std::sort(res.begin(), res.end(), PacketResult::ReceiveTimeOrder());
+  return res;
+}
+
+NetworkControlUpdate::NetworkControlUpdate() = default;
+NetworkControlUpdate::NetworkControlUpdate(const NetworkControlUpdate&) =
+    default;
+NetworkControlUpdate::~NetworkControlUpdate() = default;
+
+PacedPacketInfo::PacedPacketInfo() = default;
+
+PacedPacketInfo::PacedPacketInfo(int probe_cluster_id,
+                                 int probe_cluster_min_probes,
+                                 int probe_cluster_min_bytes)
+    : probe_cluster_id(probe_cluster_id),
+      probe_cluster_min_probes(probe_cluster_min_probes),
+      probe_cluster_min_bytes(probe_cluster_min_bytes) {}
+
+bool PacedPacketInfo::operator==(const PacedPacketInfo& rhs) const {
+  return send_bitrate == rhs.send_bitrate &&
+         probe_cluster_id == rhs.probe_cluster_id &&
+         probe_cluster_min_probes == rhs.probe_cluster_min_probes &&
+         probe_cluster_min_bytes == rhs.probe_cluster_min_bytes;
+}
+
+}  // namespace webrtc

TMessagesProj/jni/voip/webrtc/api/transport/network_types.h

@@ -0,0 +1,284 @@
+/*
+ *  Copyright (c) 2018 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 API_TRANSPORT_NETWORK_TYPES_H_
+#define API_TRANSPORT_NETWORK_TYPES_H_
+#include <stdint.h>
+
+#include <vector>
+
+#include "absl/types/optional.h"
+#include "api/units/data_rate.h"
+#include "api/units/data_size.h"
+#include "api/units/time_delta.h"
+#include "api/units/timestamp.h"
+
+namespace webrtc {
+
+// Configuration
+
+// Represents constraints and rates related to the currently enabled streams.
+// This is used as input to the congestion controller via the StreamsConfig
+// struct.
+struct BitrateAllocationLimits {
+  // The total minimum send bitrate required by all sending streams.
+  DataRate min_allocatable_rate = DataRate::Zero();
+  // The total maximum allocatable bitrate for all currently available streams.
+  DataRate max_allocatable_rate = DataRate::Zero();
+  // The max bitrate to use for padding. The sum of the per-stream max padding
+  // rate.
+  DataRate max_padding_rate = DataRate::Zero();
+};
+
+// Use StreamsConfig for information about streams that is required for specific
+// adjustments to the algorithms in network controllers. Especially useful
+// for experiments.
+struct StreamsConfig {
+  StreamsConfig();
+  StreamsConfig(const StreamsConfig&);
+  ~StreamsConfig();
+  Timestamp at_time = Timestamp::PlusInfinity();
+  absl::optional<bool> requests_alr_probing;
+  absl::optional<double> pacing_factor;
+
+  // TODO(srte): Use BitrateAllocationLimits here.
+  absl::optional<DataRate> min_total_allocated_bitrate;
+  absl::optional<DataRate> max_padding_rate;
+  absl::optional<DataRate> max_total_allocated_bitrate;
+};
+
+struct TargetRateConstraints {
+  TargetRateConstraints();
+  TargetRateConstraints(const TargetRateConstraints&);
+  ~TargetRateConstraints();
+  Timestamp at_time = Timestamp::PlusInfinity();
+  absl::optional<DataRate> min_data_rate;
+  absl::optional<DataRate> max_data_rate;
+  // The initial bandwidth estimate to base target rate on. This should be used
+  // as the basis for initial OnTargetTransferRate and OnPacerConfig callbacks.
+  absl::optional<DataRate> starting_rate;
+};
+
+// Send side information
+
+struct NetworkAvailability {
+  Timestamp at_time = Timestamp::PlusInfinity();
+  bool network_available = false;
+};
+
+struct NetworkRouteChange {
+  NetworkRouteChange();
+  NetworkRouteChange(const NetworkRouteChange&);
+  ~NetworkRouteChange();
+  Timestamp at_time = Timestamp::PlusInfinity();
+  // The TargetRateConstraints are set here so they can be changed synchronously
+  // when network route changes.
+  TargetRateConstraints constraints;
+};
+
+struct PacedPacketInfo {
+  PacedPacketInfo();
+  PacedPacketInfo(int probe_cluster_id,
+                  int probe_cluster_min_probes,
+                  int probe_cluster_min_bytes);
+
+  bool operator==(const PacedPacketInfo& rhs) const;
+
+  // TODO(srte): Move probing info to a separate, optional struct.
+  static constexpr int kNotAProbe = -1;
+  DataRate send_bitrate = DataRate::BitsPerSec(0);
+  int probe_cluster_id = kNotAProbe;
+  int probe_cluster_min_probes = -1;
+  int probe_cluster_min_bytes = -1;
+  int probe_cluster_bytes_sent = 0;
+};
+
+struct SentPacket {
+  Timestamp send_time = Timestamp::PlusInfinity();
+  // Size of packet with overhead up to IP layer.
+  DataSize size = DataSize::Zero();
+  // Size of preceeding packets that are not part of feedback.
+  DataSize prior_unacked_data = DataSize::Zero();
+  // Probe cluster id and parameters including bitrate, number of packets and
+  // number of bytes.
+  PacedPacketInfo pacing_info;
+  // True if the packet is an audio packet, false for video, padding, RTX etc.
+  bool audio = false;
+  // Transport independent sequence number, any tracked packet should have a
+  // sequence number that is unique over the whole call and increasing by 1 for
+  // each packet.
+  int64_t sequence_number;
+  // Tracked data in flight when the packet was sent, excluding unacked data.
+  DataSize data_in_flight = DataSize::Zero();
+};
+
+struct ReceivedPacket {
+  Timestamp send_time = Timestamp::MinusInfinity();
+  Timestamp receive_time = Timestamp::PlusInfinity();
+  DataSize size = DataSize::Zero();
+};
+
+// Transport level feedback
+
+struct RemoteBitrateReport {
+  Timestamp receive_time = Timestamp::PlusInfinity();
+  DataRate bandwidth = DataRate::Infinity();
+};
+
+struct RoundTripTimeUpdate {
+  Timestamp receive_time = Timestamp::PlusInfinity();
+  TimeDelta round_trip_time = TimeDelta::PlusInfinity();
+  bool smoothed = false;
+};
+
+struct TransportLossReport {
+  Timestamp receive_time = Timestamp::PlusInfinity();
+  Timestamp start_time = Timestamp::PlusInfinity();
+  Timestamp end_time = Timestamp::PlusInfinity();
+  uint64_t packets_lost_delta = 0;
+  uint64_t packets_received_delta = 0;
+};
+
+// Packet level feedback
+
+struct PacketResult {
+  class ReceiveTimeOrder {
+   public:
+    bool operator()(const PacketResult& lhs, const PacketResult& rhs);
+  };
+
+  PacketResult();
+  PacketResult(const PacketResult&);
+  ~PacketResult();
+
+  inline bool IsReceived() const { return !receive_time.IsPlusInfinity(); }
+
+  SentPacket sent_packet;
+  Timestamp receive_time = Timestamp::PlusInfinity();
+};
+
+struct TransportPacketsFeedback {
+  TransportPacketsFeedback();
+  TransportPacketsFeedback(const TransportPacketsFeedback& other);
+  ~TransportPacketsFeedback();
+
+  Timestamp feedback_time = Timestamp::PlusInfinity();
+  Timestamp first_unacked_send_time = Timestamp::PlusInfinity();
+  DataSize data_in_flight = DataSize::Zero();
+  DataSize prior_in_flight = DataSize::Zero();
+  std::vector<PacketResult> packet_feedbacks;
+
+  // Arrival times for messages without send time information.
+  std::vector<Timestamp> sendless_arrival_times;
+
+  std::vector<PacketResult> ReceivedWithSendInfo() const;
+  std::vector<PacketResult> LostWithSendInfo() const;
+  std::vector<PacketResult> PacketsWithFeedback() const;
+  std::vector<PacketResult> SortedByReceiveTime() const;
+};
+
+// Network estimation
+
+struct NetworkEstimate {
+  Timestamp at_time = Timestamp::PlusInfinity();
+  // Deprecated, use TargetTransferRate::target_rate instead.
+  DataRate bandwidth = DataRate::Infinity();
+  TimeDelta round_trip_time = TimeDelta::PlusInfinity();
+  TimeDelta bwe_period = TimeDelta::PlusInfinity();
+
+  float loss_rate_ratio = 0;
+};
+
+// Network control
+
+struct PacerConfig {
+  Timestamp at_time = Timestamp::PlusInfinity();
+  // Pacer should send at most data_window data over time_window duration.
+  DataSize data_window = DataSize::Infinity();
+  TimeDelta time_window = TimeDelta::PlusInfinity();
+  // Pacer should send at least pad_window data over time_window duration.
+  DataSize pad_window = DataSize::Zero();
+  DataRate data_rate() const { return data_window / time_window; }
+  DataRate pad_rate() const { return pad_window / time_window; }
+};
+
+struct ProbeClusterConfig {
+  Timestamp at_time = Timestamp::PlusInfinity();
+  DataRate target_data_rate = DataRate::Zero();
+  TimeDelta target_duration = TimeDelta::Zero();
+  int32_t target_probe_count = 0;
+  int32_t id = 0;
+};
+
+struct TargetTransferRate {
+  Timestamp at_time = Timestamp::PlusInfinity();
+  // The estimate on which the target rate is based on.
+  NetworkEstimate network_estimate;
+  DataRate target_rate = DataRate::Zero();
+  DataRate stable_target_rate = DataRate::Zero();
+  double cwnd_reduce_ratio = 0;
+};
+
+// Contains updates of network controller comand state. Using optionals to
+// indicate whether a member has been updated. The array of probe clusters
+// should be used to send out probes if not empty.
+struct NetworkControlUpdate {
+  NetworkControlUpdate();
+  NetworkControlUpdate(const NetworkControlUpdate&);
+  ~NetworkControlUpdate();
+
+  bool has_updates() const {
+    return congestion_window.has_value() || pacer_config.has_value() ||
+           !probe_cluster_configs.empty() || target_rate.has_value();
+  }
+
+  absl::optional<DataSize> congestion_window;
+  absl::optional<PacerConfig> pacer_config;
+  std::vector<ProbeClusterConfig> probe_cluster_configs;
+  absl::optional<TargetTransferRate> target_rate;
+};
+
+// Process control
+struct ProcessInterval {
+  Timestamp at_time = Timestamp::PlusInfinity();
+  absl::optional<DataSize> pacer_queue;
+};
+
+// Under development, subject to change without notice.
+struct NetworkStateEstimate {
+  double confidence = NAN;
+  // The time the estimate was received/calculated.
+  Timestamp update_time = Timestamp::MinusInfinity();
+  Timestamp last_receive_time = Timestamp::MinusInfinity();
+  Timestamp last_send_time = Timestamp::MinusInfinity();
+
+  // Total estimated link capacity.
+  DataRate link_capacity = DataRate::MinusInfinity();
+  // Used as a safe measure of available capacity.
+  DataRate link_capacity_lower = DataRate::MinusInfinity();
+  // Used as limit for increasing bitrate.
+  DataRate link_capacity_upper = DataRate::MinusInfinity();
+
+  TimeDelta pre_link_buffer_delay = TimeDelta::MinusInfinity();
+  TimeDelta post_link_buffer_delay = TimeDelta::MinusInfinity();
+  TimeDelta propagation_delay = TimeDelta::MinusInfinity();
+
+  // Only for debugging
+  TimeDelta time_delta = TimeDelta::MinusInfinity();
+  Timestamp last_feed_time = Timestamp::MinusInfinity();
+  double cross_delay_rate = NAN;
+  double spike_delay_rate = NAN;
+  DataRate link_capacity_std_dev = DataRate::MinusInfinity();
+  DataRate link_capacity_min = DataRate::MinusInfinity();
+  double cross_traffic_ratio = NAN;
+};
+}  // namespace webrtc
+
+#endif  // API_TRANSPORT_NETWORK_TYPES_H_

TMessagesProj/jni/voip/webrtc/api/transport/rtp/BUILD.gn

@@ -0,0 +1,38 @@
+# Copyright (c) 2019 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.
+
+import("../../../webrtc.gni")
+
+rtc_source_set("rtp_source") {
+  visibility = [ "*" ]
+  sources = [ "rtp_source.h" ]
+  deps = [
+    "../../../api:rtp_headers",
+    "../../../api/units:time_delta",
+    "../../../api/units:timestamp",
+    "../../../rtc_base:checks",
+  ]
+  absl_deps = [ "//third_party/abseil-cpp/absl/types:optional" ]
+}
+
+rtc_source_set("dependency_descriptor") {
+  visibility = [ "*" ]
+  sources = [
+    "dependency_descriptor.cc",
+    "dependency_descriptor.h",
+  ]
+  deps = [
+    "../../../rtc_base:checks",
+    "../../video:render_resolution",
+  ]
+  absl_deps = [
+    "//third_party/abseil-cpp/absl/container:inlined_vector",
+    "//third_party/abseil-cpp/absl/strings",
+    "//third_party/abseil-cpp/absl/types:optional",
+  ]
+}

TMessagesProj/jni/voip/webrtc/api/transport/rtp/dependency_descriptor.cc

@@ -0,0 +1,54 @@
+/*
+ *  Copyright (c) 2020 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 "api/transport/rtp/dependency_descriptor.h"
+
+#include "absl/container/inlined_vector.h"
+#include "absl/strings/string_view.h"
+#include "rtc_base/checks.h"
+
+namespace webrtc {
+
+constexpr int DependencyDescriptor::kMaxSpatialIds;
+constexpr int DependencyDescriptor::kMaxTemporalIds;
+constexpr int DependencyDescriptor::kMaxTemplates;
+constexpr int DependencyDescriptor::kMaxDecodeTargets;
+
+namespace webrtc_impl {
+
+absl::InlinedVector<DecodeTargetIndication, 10> StringToDecodeTargetIndications(
+    absl::string_view symbols) {
+  absl::InlinedVector<DecodeTargetIndication, 10> dtis;
+  dtis.reserve(symbols.size());
+  for (char symbol : symbols) {
+    DecodeTargetIndication indication;
+    switch (symbol) {
+      case '-':
+        indication = DecodeTargetIndication::kNotPresent;
+        break;
+      case 'D':
+        indication = DecodeTargetIndication::kDiscardable;
+        break;
+      case 'R':
+        indication = DecodeTargetIndication::kRequired;
+        break;
+      case 'S':
+        indication = DecodeTargetIndication::kSwitch;
+        break;
+      default:
+        RTC_DCHECK_NOTREACHED();
+    }
+    dtis.push_back(indication);
+  }
+  return dtis;
+}
+
+}  // namespace webrtc_impl
+}  // namespace webrtc

TMessagesProj/jni/voip/webrtc/api/transport/rtp/dependency_descriptor.h

@@ -0,0 +1,150 @@
+/*
+ *  Copyright (c) 2020 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 API_TRANSPORT_RTP_DEPENDENCY_DESCRIPTOR_H_
+#define API_TRANSPORT_RTP_DEPENDENCY_DESCRIPTOR_H_
+
+#include <stdint.h>
+
+#include <initializer_list>
+#include <memory>
+#include <vector>
+
+#include "absl/container/inlined_vector.h"
+#include "absl/strings/string_view.h"
+#include "absl/types/optional.h"
+#include "api/video/render_resolution.h"
+
+namespace webrtc {
+// Structures to build and parse dependency descriptor as described in
+// https://aomediacodec.github.io/av1-rtp-spec/#dependency-descriptor-rtp-header-extension
+
+// Relationship of a frame to a Decode target.
+enum class DecodeTargetIndication {
+  kNotPresent = 0,   // DecodeTargetInfo symbol '-'
+  kDiscardable = 1,  // DecodeTargetInfo symbol 'D'
+  kSwitch = 2,       // DecodeTargetInfo symbol 'S'
+  kRequired = 3      // DecodeTargetInfo symbol 'R'
+};
+
+struct FrameDependencyTemplate {
+  // Setters are named briefly to chain them when building the template.
+  FrameDependencyTemplate& S(int spatial_layer);
+  FrameDependencyTemplate& T(int temporal_layer);
+  FrameDependencyTemplate& Dtis(absl::string_view dtis);
+  FrameDependencyTemplate& FrameDiffs(std::initializer_list<int> diffs);
+  FrameDependencyTemplate& ChainDiffs(std::initializer_list<int> diffs);
+
+  friend bool operator==(const FrameDependencyTemplate& lhs,
+                         const FrameDependencyTemplate& rhs) {
+    return lhs.spatial_id == rhs.spatial_id &&
+           lhs.temporal_id == rhs.temporal_id &&
+           lhs.decode_target_indications == rhs.decode_target_indications &&
+           lhs.frame_diffs == rhs.frame_diffs &&
+           lhs.chain_diffs == rhs.chain_diffs;
+  }
+
+  int spatial_id = 0;
+  int temporal_id = 0;
+  absl::InlinedVector<DecodeTargetIndication, 10> decode_target_indications;
+  absl::InlinedVector<int, 4> frame_diffs;
+  absl::InlinedVector<int, 4> chain_diffs;
+};
+
+struct FrameDependencyStructure {
+  friend bool operator==(const FrameDependencyStructure& lhs,
+                         const FrameDependencyStructure& rhs) {
+    return lhs.num_decode_targets == rhs.num_decode_targets &&
+           lhs.num_chains == rhs.num_chains &&
+           lhs.decode_target_protected_by_chain ==
+               rhs.decode_target_protected_by_chain &&
+           lhs.resolutions == rhs.resolutions && lhs.templates == rhs.templates;
+  }
+
+  int structure_id = 0;
+  int num_decode_targets = 0;
+  int num_chains = 0;
+  // If chains are used (num_chains > 0), maps decode target index into index of
+  // the chain protecting that target.
+  absl::InlinedVector<int, 10> decode_target_protected_by_chain;
+  absl::InlinedVector<RenderResolution, 4> resolutions;
+  std::vector<FrameDependencyTemplate> templates;
+};
+
+class DependencyDescriptorMandatory {
+ public:
+  void set_frame_number(int frame_number) { frame_number_ = frame_number; }
+  int frame_number() const { return frame_number_; }
+
+  void set_template_id(int template_id) { template_id_ = template_id; }
+  int template_id() const { return template_id_; }
+
+  void set_first_packet_in_frame(bool first) { first_packet_in_frame_ = first; }
+  bool first_packet_in_frame() const { return first_packet_in_frame_; }
+
+  void set_last_packet_in_frame(bool last) { last_packet_in_frame_ = last; }
+  bool last_packet_in_frame() const { return last_packet_in_frame_; }
+
+ private:
+  int frame_number_;
+  int template_id_;
+  bool first_packet_in_frame_;
+  bool last_packet_in_frame_;
+};
+
+struct DependencyDescriptor {
+  static constexpr int kMaxSpatialIds = 4;
+  static constexpr int kMaxTemporalIds = 8;
+  static constexpr int kMaxDecodeTargets = 32;
+  static constexpr int kMaxTemplates = 64;
+
+  bool first_packet_in_frame = true;
+  bool last_packet_in_frame = true;
+  int frame_number = 0;
+  FrameDependencyTemplate frame_dependencies;
+  absl::optional<RenderResolution> resolution;
+  absl::optional<uint32_t> active_decode_targets_bitmask;
+  std::unique_ptr<FrameDependencyStructure> attached_structure;
+};
+
+// Below are implementation details.
+namespace webrtc_impl {
+absl::InlinedVector<DecodeTargetIndication, 10> StringToDecodeTargetIndications(
+    absl::string_view indication_symbols);
+}  // namespace webrtc_impl
+
+inline FrameDependencyTemplate& FrameDependencyTemplate::S(int spatial_layer) {
+  this->spatial_id = spatial_layer;
+  return *this;
+}
+inline FrameDependencyTemplate& FrameDependencyTemplate::T(int temporal_layer) {
+  this->temporal_id = temporal_layer;
+  return *this;
+}
+inline FrameDependencyTemplate& FrameDependencyTemplate::Dtis(
+    absl::string_view dtis) {
+  this->decode_target_indications =
+      webrtc_impl::StringToDecodeTargetIndications(dtis);
+  return *this;
+}
+inline FrameDependencyTemplate& FrameDependencyTemplate::FrameDiffs(
+    std::initializer_list<int> diffs) {
+  this->frame_diffs.assign(diffs.begin(), diffs.end());
+  return *this;
+}
+inline FrameDependencyTemplate& FrameDependencyTemplate::ChainDiffs(
+    std::initializer_list<int> diffs) {
+  this->chain_diffs.assign(diffs.begin(), diffs.end());
+  return *this;
+}
+
+}  // namespace webrtc
+
+#endif  // API_TRANSPORT_RTP_DEPENDENCY_DESCRIPTOR_H_

TMessagesProj/jni/voip/webrtc/api/transport/rtp/rtp_source.h

@@ -0,0 +1,108 @@
+/*
+ *  Copyright 2019 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 API_TRANSPORT_RTP_RTP_SOURCE_H_
+#define API_TRANSPORT_RTP_RTP_SOURCE_H_
+
+#include <stdint.h>
+
+#include "absl/types/optional.h"
+#include "api/rtp_headers.h"
+#include "api/units/time_delta.h"
+#include "api/units/timestamp.h"
+#include "rtc_base/checks.h"
+
+namespace webrtc {
+
+enum class RtpSourceType {
+  SSRC,
+  CSRC,
+};
+
+class RtpSource {
+ public:
+  struct Extensions {
+    absl::optional<uint8_t> audio_level;
+
+    // Fields from the Absolute Capture Time header extension:
+    // http://www.webrtc.org/experiments/rtp-hdrext/abs-capture-time
+    absl::optional<AbsoluteCaptureTime> absolute_capture_time;
+
+    // Clock offset between the local clock and the capturer's clock.
+    // Do not confuse with `AbsoluteCaptureTime::estimated_capture_clock_offset`
+    // which instead represents the clock offset between a remote sender and the
+    // capturer. The following holds:
+    //   Capture's NTP Clock = Local NTP Clock + Local-Capture Clock Offset
+    absl::optional<TimeDelta> local_capture_clock_offset;
+  };
+
+  RtpSource() = delete;
+
+  RtpSource(Timestamp timestamp,
+            uint32_t source_id,
+            RtpSourceType source_type,
+            uint32_t rtp_timestamp,
+            const RtpSource::Extensions& extensions)
+      : timestamp_(timestamp),
+        source_id_(source_id),
+        source_type_(source_type),
+        extensions_(extensions),
+        rtp_timestamp_(rtp_timestamp) {}
+
+  RtpSource(const RtpSource&) = default;
+  RtpSource& operator=(const RtpSource&) = default;
+  ~RtpSource() = default;
+
+  Timestamp timestamp() const { return timestamp_; }
+
+  // The identifier of the source can be the CSRC or the SSRC.
+  uint32_t source_id() const { return source_id_; }
+
+  // The source can be either a contributing source or a synchronization source.
+  RtpSourceType source_type() const { return source_type_; }
+
+  absl::optional<uint8_t> audio_level() const {
+    return extensions_.audio_level;
+  }
+
+  void set_audio_level(const absl::optional<uint8_t>& level) {
+    extensions_.audio_level = level;
+  }
+
+  uint32_t rtp_timestamp() const { return rtp_timestamp_; }
+
+  absl::optional<AbsoluteCaptureTime> absolute_capture_time() const {
+    return extensions_.absolute_capture_time;
+  }
+
+  absl::optional<TimeDelta> local_capture_clock_offset() const {
+    return extensions_.local_capture_clock_offset;
+  }
+
+  bool operator==(const RtpSource& o) const {
+    return timestamp_ == o.timestamp() && source_id_ == o.source_id() &&
+           source_type_ == o.source_type() &&
+           extensions_.audio_level == o.extensions_.audio_level &&
+           extensions_.absolute_capture_time ==
+               o.extensions_.absolute_capture_time &&
+           rtp_timestamp_ == o.rtp_timestamp();
+  }
+
+ private:
+  Timestamp timestamp_;
+  uint32_t source_id_;
+  RtpSourceType source_type_;
+  RtpSource::Extensions extensions_;
+  uint32_t rtp_timestamp_;
+};
+
+}  // namespace webrtc
+
+#endif  // API_TRANSPORT_RTP_RTP_SOURCE_H_

TMessagesProj/jni/voip/webrtc/api/transport/sctp_transport_factory_interface.h

@@ -0,0 +1,42 @@
+/*
+ *  Copyright 2020 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 API_TRANSPORT_SCTP_TRANSPORT_FACTORY_INTERFACE_H_
+#define API_TRANSPORT_SCTP_TRANSPORT_FACTORY_INTERFACE_H_
+
+#include <memory>
+
+// These classes are not part of the API, and are treated as opaque pointers.
+namespace cricket {
+class SctpTransportInternal;
+}  // namespace cricket
+
+namespace rtc {
+class PacketTransportInternal;
+}  // namespace rtc
+
+namespace webrtc {
+
+// Factory class which can be used to allow fake SctpTransports to be injected
+// for testing. An application is not intended to implement this interface nor
+// 'cricket::SctpTransportInternal' because SctpTransportInternal is not
+// guaranteed to remain stable in future WebRTC versions.
+class SctpTransportFactoryInterface {
+ public:
+  virtual ~SctpTransportFactoryInterface() = default;
+
+  // Create an SCTP transport using `channel` for the underlying transport.
+  virtual std::unique_ptr<cricket::SctpTransportInternal> CreateSctpTransport(
+      rtc::PacketTransportInternal* channel) = 0;
+};
+
+}  // namespace webrtc
+
+#endif  // API_TRANSPORT_SCTP_TRANSPORT_FACTORY_INTERFACE_H_

TMessagesProj/jni/voip/webrtc/api/transport/stun.h

@@ -0,0 +1,808 @@
+/*
+ *  Copyright 2004 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 API_TRANSPORT_STUN_H_
+#define API_TRANSPORT_STUN_H_
+
+// This file contains classes for dealing with the STUN protocol, as specified
+// in RFC 5389, and its descendants.
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include <functional>
+#include <memory>
+#include <string>
+#include <vector>
+
+#include "absl/strings/string_view.h"
+#include "api/array_view.h"
+#include "rtc_base/byte_buffer.h"
+#include "rtc_base/ip_address.h"
+#include "rtc_base/socket_address.h"
+
+namespace cricket {
+
+// These are the types of STUN messages defined in RFC 5389.
+enum StunMessageType : uint16_t {
+  STUN_INVALID_MESSAGE_TYPE = 0x0000,
+  STUN_BINDING_REQUEST = 0x0001,
+  STUN_BINDING_INDICATION = 0x0011,
+  STUN_BINDING_RESPONSE = 0x0101,
+  STUN_BINDING_ERROR_RESPONSE = 0x0111,
+
+  // Method 0x80, GOOG-PING is a variant of STUN BINDING
+  // that is sent instead of a STUN BINDING if the binding
+  // was identical to the one before.
+  GOOG_PING_REQUEST = 0x200,
+  GOOG_PING_RESPONSE = 0x300,
+  GOOG_PING_ERROR_RESPONSE = 0x310,
+};
+
+// These are all known STUN attributes, defined in RFC 5389 and elsewhere.
+// Next to each is the name of the class (T is StunTAttribute) that implements
+// that type.
+// RETRANSMIT_COUNT is the number of outstanding pings without a response at
+// the time the packet is generated.
+enum StunAttributeType {
+  STUN_ATTR_MAPPED_ADDRESS = 0x0001,      // Address
+  STUN_ATTR_USERNAME = 0x0006,            // ByteString
+  STUN_ATTR_MESSAGE_INTEGRITY = 0x0008,   // ByteString, 20 bytes
+  STUN_ATTR_ERROR_CODE = 0x0009,          // ErrorCode
+  STUN_ATTR_UNKNOWN_ATTRIBUTES = 0x000a,  // UInt16List
+  STUN_ATTR_REALM = 0x0014,               // ByteString
+  STUN_ATTR_NONCE = 0x0015,               // ByteString
+  STUN_ATTR_XOR_MAPPED_ADDRESS = 0x0020,  // XorAddress
+  STUN_ATTR_SOFTWARE = 0x8022,            // ByteString
+  STUN_ATTR_ALTERNATE_SERVER = 0x8023,    // Address
+  STUN_ATTR_FINGERPRINT = 0x8028,         // UInt32
+  STUN_ATTR_RETRANSMIT_COUNT = 0xFF00     // UInt32
+};
+
+// These are the types of the values associated with the attributes above.
+// This allows us to perform some basic validation when reading or adding
+// attributes. Note that these values are for our own use, and not defined in
+// RFC 5389.
+enum StunAttributeValueType {
+  STUN_VALUE_UNKNOWN = 0,
+  STUN_VALUE_ADDRESS = 1,
+  STUN_VALUE_XOR_ADDRESS = 2,
+  STUN_VALUE_UINT32 = 3,
+  STUN_VALUE_UINT64 = 4,
+  STUN_VALUE_BYTE_STRING = 5,
+  STUN_VALUE_ERROR_CODE = 6,
+  STUN_VALUE_UINT16_LIST = 7
+};
+
+// These are the types of STUN addresses defined in RFC 5389.
+enum StunAddressFamily {
+  // NB: UNDEF is not part of the STUN spec.
+  STUN_ADDRESS_UNDEF = 0,
+  STUN_ADDRESS_IPV4 = 1,
+  STUN_ADDRESS_IPV6 = 2
+};
+
+// These are the types of STUN error codes defined in RFC 5389.
+enum StunErrorCode {
+  STUN_ERROR_TRY_ALTERNATE = 300,
+  STUN_ERROR_BAD_REQUEST = 400,
+  STUN_ERROR_UNAUTHORIZED = 401,
+  STUN_ERROR_UNKNOWN_ATTRIBUTE = 420,
+  STUN_ERROR_STALE_NONCE = 438,
+  STUN_ERROR_SERVER_ERROR = 500,
+  STUN_ERROR_GLOBAL_FAILURE = 600
+};
+
+// Strings for the error codes above.
+extern const char STUN_ERROR_REASON_TRY_ALTERNATE_SERVER[];
+extern const char STUN_ERROR_REASON_BAD_REQUEST[];
+extern const char STUN_ERROR_REASON_UNAUTHORIZED[];
+extern const char STUN_ERROR_REASON_UNKNOWN_ATTRIBUTE[];
+extern const char STUN_ERROR_REASON_STALE_NONCE[];
+extern const char STUN_ERROR_REASON_SERVER_ERROR[];
+
+// The mask used to determine whether a STUN message is a request/response etc.
+const uint32_t kStunTypeMask = 0x0110;
+
+// STUN Attribute header length.
+const size_t kStunAttributeHeaderSize = 4;
+
+// Following values correspond to RFC5389.
+const size_t kStunHeaderSize = 20;
+const size_t kStunTransactionIdOffset = 8;
+const size_t kStunTransactionIdLength = 12;
+const uint32_t kStunMagicCookie = 0x2112A442;
+constexpr size_t kStunMagicCookieLength = sizeof(kStunMagicCookie);
+
+// Following value corresponds to an earlier version of STUN from
+// RFC3489.
+const size_t kStunLegacyTransactionIdLength = 16;
+
+// STUN Message Integrity HMAC length.
+const size_t kStunMessageIntegritySize = 20;
+// Size of STUN_ATTR_MESSAGE_INTEGRITY_32
+const size_t kStunMessageIntegrity32Size = 4;
+
+class StunAddressAttribute;
+class StunAttribute;
+class StunByteStringAttribute;
+class StunErrorCodeAttribute;
+class StunUInt16ListAttribute;
+class StunUInt32Attribute;
+class StunUInt64Attribute;
+class StunXorAddressAttribute;
+
+// Records a complete STUN/TURN message.  Each message consists of a type and
+// any number of attributes.  Each attribute is parsed into an instance of an
+// appropriate class (see above).  The Get* methods will return instances of
+// that attribute class.
+class StunMessage {
+ public:
+  // Constructs a StunMessage with an invalid type and empty, legacy length
+  // (16 bytes, RFC3489) transaction id.
+  StunMessage();
+
+  // Construct a `StunMessage` with a specific type and generate a new
+  // 12 byte transaction id (RFC5389).
+  explicit StunMessage(uint16_t type);
+
+  StunMessage(uint16_t type, absl::string_view transaction_id);
+
+  virtual ~StunMessage();
+
+  // The verification status of the message. This is checked on parsing,
+  // or set by AddMessageIntegrity.
+  // These values are persisted to logs. Entries should not be renumbered and
+  // numeric values should never be reused.
+  enum class IntegrityStatus {
+    kNotSet = 0,
+    kNoIntegrity = 1,   // Message-integrity attribute missing
+    kIntegrityOk = 2,   // Message-integrity checked OK
+    kIntegrityBad = 3,  // Message-integrity verification failed
+    kMaxValue = kIntegrityBad,
+  };
+
+  int type() const { return type_; }
+  size_t length() const { return length_; }
+  const std::string& transaction_id() const { return transaction_id_; }
+  uint32_t reduced_transaction_id() const { return reduced_transaction_id_; }
+
+  // Returns true if the message confirms to RFC3489 rather than
+  // RFC5389. The main difference between the two versions of the STUN
+  // protocol is the presence of the magic cookie and different length
+  // of transaction ID. For outgoing packets the version of the protocol
+  // is determined by the lengths of the transaction ID.
+  bool IsLegacy() const;
+
+  [[deprecated]] void SetType(int type) { type_ = static_cast<uint16_t>(type); }
+  [[deprecated]] bool SetTransactionID(absl::string_view transaction_id) {
+    if (!IsValidTransactionId(transaction_id))
+      return false;
+    SetTransactionIdForTesting(transaction_id);
+    return true;
+  }
+
+  // Get a list of all of the attribute types in the "comprehension required"
+  // range that were not recognized.
+  std::vector<uint16_t> GetNonComprehendedAttributes() const;
+
+  // Gets the desired attribute value, or NULL if no such attribute type exists.
+  const StunAddressAttribute* GetAddress(int type) const;
+  const StunUInt32Attribute* GetUInt32(int type) const;
+  const StunUInt64Attribute* GetUInt64(int type) const;
+  const StunByteStringAttribute* GetByteString(int type) const;
+  const StunUInt16ListAttribute* GetUInt16List(int type) const;
+
+  // Gets these specific attribute values.
+  const StunErrorCodeAttribute* GetErrorCode() const;
+  // Returns the code inside the error code attribute, if present, and
+  // STUN_ERROR_GLOBAL_FAILURE otherwise.
+  int GetErrorCodeValue() const;
+  const StunUInt16ListAttribute* GetUnknownAttributes() const;
+
+  // Takes ownership of the specified attribute and adds it to the message.
+  void AddAttribute(std::unique_ptr<StunAttribute> attr);
+
+  // Remove the last occurrence of an attribute.
+  std::unique_ptr<StunAttribute> RemoveAttribute(int type);
+
+  // Remote all attributes and releases them.
+  void ClearAttributes();
+
+  // Validates that a STUN message has a correct MESSAGE-INTEGRITY value.
+  // This uses the buffered raw-format message stored by Read().
+  IntegrityStatus ValidateMessageIntegrity(const std::string& password);
+
+  // Revalidates the STUN message with (possibly) a new password.
+  // Indicates that calling logic needs review - probably previous call
+  // was checking with the wrong password.
+  IntegrityStatus RevalidateMessageIntegrity(const std::string& password);
+
+  // Returns the current integrity status of the message.
+  IntegrityStatus integrity() const { return integrity_; }
+
+  // Shortcut for checking if integrity is verified.
+  bool IntegrityOk() const {
+    return integrity_ == IntegrityStatus::kIntegrityOk;
+  }
+
+  // Returns the password attribute used to set or check the integrity.
+  // Can only be called after adding or checking the integrity.
+  std::string password() const {
+    RTC_DCHECK(integrity_ != IntegrityStatus::kNotSet);
+    return password_;
+  }
+
+  // Adds a MESSAGE-INTEGRITY attribute that is valid for the current message.
+  bool AddMessageIntegrity(absl::string_view password);
+
+  // Adds a STUN_ATTR_GOOG_MESSAGE_INTEGRITY_32 attribute that is valid for the
+  // current message.
+  bool AddMessageIntegrity32(absl::string_view password);
+
+  // Verify that a buffer has stun magic cookie and one of the specified
+  // methods. Note that it does not check for the existance of FINGERPRINT.
+  static bool IsStunMethod(rtc::ArrayView<int> methods,
+                           const char* data,
+                           size_t size);
+
+  // Verifies that a given buffer is STUN by checking for a correct FINGERPRINT.
+  static bool ValidateFingerprint(const char* data, size_t size);
+
+  // Generates a new 12 byte (RFC5389) transaction id.
+  static std::string GenerateTransactionId();
+
+  // Adds a FINGERPRINT attribute that is valid for the current message.
+  bool AddFingerprint();
+
+  // Parses the STUN packet in the given buffer and records it here. The
+  // return value indicates whether this was successful.
+  bool Read(rtc::ByteBufferReader* buf);
+
+  // Writes this object into a STUN packet. The return value indicates whether
+  // this was successful.
+  bool Write(rtc::ByteBufferWriter* buf) const;
+
+  // Creates an empty message. Overridable by derived classes.
+  virtual StunMessage* CreateNew() const;
+
+  // Modify the stun magic cookie used for this STUN message.
+  // This is used for testing.
+  [[deprecated]] void SetStunMagicCookie(uint32_t val);
+
+  // Change the internal transaction id. Used only for testing.
+  void SetTransactionIdForTesting(absl::string_view transaction_id);
+
+  // Contruct a copy of `this`.
+  std::unique_ptr<StunMessage> Clone() const;
+
+  // Check if the attributes of this StunMessage equals those of `other`
+  // for all attributes that `attribute_type_mask` return true
+  bool EqualAttributes(const StunMessage* other,
+                       std::function<bool(int type)> attribute_type_mask) const;
+
+  // Validates that a STUN message in byte buffer form
+  // has a correct MESSAGE-INTEGRITY value.
+  // These functions are not recommended and will be deprecated; use
+  // ValidateMessageIntegrity(password) on the parsed form instead.
+  [[deprecated("Use member function")]] static bool ValidateMessageIntegrity(
+      const char* data,
+      size_t size,
+      const std::string& password);
+  [[deprecated("Use member function")]] static bool ValidateMessageIntegrity32(
+      const char* data,
+      size_t size,
+      const std::string& password);
+
+  // Expose raw-buffer ValidateMessageIntegrity function for testing.
+  static bool ValidateMessageIntegrityForTesting(const char* data,
+                                                 size_t size,
+                                                 const std::string& password);
+  // Expose raw-buffer ValidateMessageIntegrity function for testing.
+  static bool ValidateMessageIntegrity32ForTesting(const char* data,
+                                                   size_t size,
+                                                   const std::string& password);
+
+ protected:
+  // Verifies that the given attribute is allowed for this message.
+  virtual StunAttributeValueType GetAttributeValueType(int type) const;
+
+  std::vector<std::unique_ptr<StunAttribute>> attrs_;
+
+ private:
+  StunAttribute* CreateAttribute(int type, size_t length) /* const*/;
+  const StunAttribute* GetAttribute(int type) const;
+  static bool IsValidTransactionId(absl::string_view transaction_id);
+  bool AddMessageIntegrityOfType(int mi_attr_type,
+                                 size_t mi_attr_size,
+                                 absl::string_view key);
+  static bool ValidateMessageIntegrityOfType(int mi_attr_type,
+                                             size_t mi_attr_size,
+                                             const char* data,
+                                             size_t size,
+                                             const std::string& password);
+
+  uint16_t type_ = STUN_INVALID_MESSAGE_TYPE;
+  uint16_t length_ = 0;
+  std::string transaction_id_;
+  uint32_t reduced_transaction_id_ = 0;
+  uint32_t stun_magic_cookie_ = kStunMagicCookie;
+  // The original buffer for messages created by Read().
+  std::string buffer_;
+  IntegrityStatus integrity_ = IntegrityStatus::kNotSet;
+  std::string password_;
+};
+
+// Base class for all STUN/TURN attributes.
+class StunAttribute {
+ public:
+  virtual ~StunAttribute() {}
+
+  int type() const { return type_; }
+  size_t length() const { return length_; }
+
+  // Return the type of this attribute.
+  virtual StunAttributeValueType value_type() const = 0;
+
+  // Only XorAddressAttribute needs this so far.
+  virtual void SetOwner(StunMessage* owner) {}
+
+  // Reads the body (not the type or length) for this type of attribute from
+  // the given buffer.  Return value is true if successful.
+  virtual bool Read(rtc::ByteBufferReader* buf) = 0;
+
+  // Writes the body (not the type or length) to the given buffer.  Return
+  // value is true if successful.
+  virtual bool Write(rtc::ByteBufferWriter* buf) const = 0;
+
+  // Creates an attribute object with the given type and smallest length.
+  static StunAttribute* Create(StunAttributeValueType value_type,
+                               uint16_t type,
+                               uint16_t length,
+                               StunMessage* owner);
+  // TODO(?): Allow these create functions to take parameters, to reduce
+  // the amount of work callers need to do to initialize attributes.
+  static std::unique_ptr<StunAddressAttribute> CreateAddress(uint16_t type);
+  static std::unique_ptr<StunXorAddressAttribute> CreateXorAddress(
+      uint16_t type);
+  static std::unique_ptr<StunUInt32Attribute> CreateUInt32(uint16_t type);
+  static std::unique_ptr<StunUInt64Attribute> CreateUInt64(uint16_t type);
+  static std::unique_ptr<StunByteStringAttribute> CreateByteString(
+      uint16_t type);
+  static std::unique_ptr<StunUInt16ListAttribute> CreateUInt16ListAttribute(
+      uint16_t type);
+  static std::unique_ptr<StunErrorCodeAttribute> CreateErrorCode();
+  static std::unique_ptr<StunUInt16ListAttribute> CreateUnknownAttributes();
+
+ protected:
+  StunAttribute(uint16_t type, uint16_t length);
+  void SetLength(uint16_t length) { length_ = length; }
+  void WritePadding(rtc::ByteBufferWriter* buf) const;
+  void ConsumePadding(rtc::ByteBufferReader* buf) const;
+
+ private:
+  uint16_t type_;
+  uint16_t length_;
+};
+
+// Implements STUN attributes that record an Internet address.
+class StunAddressAttribute : public StunAttribute {
+ public:
+  static const uint16_t SIZE_UNDEF = 0;
+  static const uint16_t SIZE_IP4 = 8;
+  static const uint16_t SIZE_IP6 = 20;
+  StunAddressAttribute(uint16_t type, const rtc::SocketAddress& addr);
+  StunAddressAttribute(uint16_t type, uint16_t length);
+
+  StunAttributeValueType value_type() const override;
+
+  StunAddressFamily family() const {
+    switch (address_.ipaddr().family()) {
+      case AF_INET:
+        return STUN_ADDRESS_IPV4;
+      case AF_INET6:
+        return STUN_ADDRESS_IPV6;
+    }
+    return STUN_ADDRESS_UNDEF;
+  }
+
+  const rtc::SocketAddress& GetAddress() const { return address_; }
+  const rtc::IPAddress& ipaddr() const { return address_.ipaddr(); }
+  uint16_t port() const { return address_.port(); }
+
+  void SetAddress(const rtc::SocketAddress& addr) {
+    address_ = addr;
+    EnsureAddressLength();
+  }
+  void SetIP(const rtc::IPAddress& ip) {
+    address_.SetIP(ip);
+    EnsureAddressLength();
+  }
+  void SetPort(uint16_t port) { address_.SetPort(port); }
+
+  bool Read(rtc::ByteBufferReader* buf) override;
+  bool Write(rtc::ByteBufferWriter* buf) const override;
+
+ private:
+  void EnsureAddressLength() {
+    switch (family()) {
+      case STUN_ADDRESS_IPV4: {
+        SetLength(SIZE_IP4);
+        break;
+      }
+      case STUN_ADDRESS_IPV6: {
+        SetLength(SIZE_IP6);
+        break;
+      }
+      default: {
+        SetLength(SIZE_UNDEF);
+        break;
+      }
+    }
+  }
+  rtc::SocketAddress address_;
+};
+
+// Implements STUN attributes that record an Internet address. When encoded
+// in a STUN message, the address contained in this attribute is XORed with the
+// transaction ID of the message.
+class StunXorAddressAttribute : public StunAddressAttribute {
+ public:
+  StunXorAddressAttribute(uint16_t type, const rtc::SocketAddress& addr);
+  StunXorAddressAttribute(uint16_t type, uint16_t length, StunMessage* owner);
+
+  StunAttributeValueType value_type() const override;
+  void SetOwner(StunMessage* owner) override;
+  bool Read(rtc::ByteBufferReader* buf) override;
+  bool Write(rtc::ByteBufferWriter* buf) const override;
+
+ private:
+  rtc::IPAddress GetXoredIP() const;
+  StunMessage* owner_;
+};
+
+// Implements STUN attributes that record a 32-bit integer.
+class StunUInt32Attribute : public StunAttribute {
+ public:
+  static const uint16_t SIZE = 4;
+  StunUInt32Attribute(uint16_t type, uint32_t value);
+  explicit StunUInt32Attribute(uint16_t type);
+
+  StunAttributeValueType value_type() const override;
+
+  uint32_t value() const { return bits_; }
+  void SetValue(uint32_t bits) { bits_ = bits; }
+
+  bool GetBit(size_t index) const;
+  void SetBit(size_t index, bool value);
+
+  bool Read(rtc::ByteBufferReader* buf) override;
+  bool Write(rtc::ByteBufferWriter* buf) const override;
+
+ private:
+  uint32_t bits_;
+};
+
+class StunUInt64Attribute : public StunAttribute {
+ public:
+  static const uint16_t SIZE = 8;
+  StunUInt64Attribute(uint16_t type, uint64_t value);
+  explicit StunUInt64Attribute(uint16_t type);
+
+  StunAttributeValueType value_type() const override;
+
+  uint64_t value() const { return bits_; }
+  void SetValue(uint64_t bits) { bits_ = bits; }
+
+  bool Read(rtc::ByteBufferReader* buf) override;
+  bool Write(rtc::ByteBufferWriter* buf) const override;
+
+ private:
+  uint64_t bits_;
+};
+
+// Implements STUN attributes that record an arbitrary byte string.
+class StunByteStringAttribute : public StunAttribute {
+ public:
+  explicit StunByteStringAttribute(uint16_t type);
+  StunByteStringAttribute(uint16_t type, absl::string_view str);
+  StunByteStringAttribute(uint16_t type, const void* bytes, size_t length);
+  StunByteStringAttribute(uint16_t type, uint16_t length);
+  ~StunByteStringAttribute() override;
+
+  StunAttributeValueType value_type() const override;
+
+  [[deprecated("Use array_view")]] const char* bytes() const {
+    return reinterpret_cast<const char*>(bytes_);
+  }
+  // Returns the attribute value as a string.
+  // Use this for attributes that are text or text-compatible.
+  absl::string_view string_view() const {
+    return absl::string_view(reinterpret_cast<const char*>(bytes_), length());
+  }
+  // Returns the attribute value as an uint8_t view.
+  // Use this function for values that are not text.
+  rtc::ArrayView<uint8_t> array_view() const {
+    return rtc::MakeArrayView(bytes_, length());
+  }
+
+  [[deprecated]] std::string GetString() const {
+    return std::string(reinterpret_cast<const char*>(bytes_), length());
+  }
+
+  void CopyBytes(const void* bytes, size_t length);
+  void CopyBytes(absl::string_view bytes);
+
+  uint8_t GetByte(size_t index) const;
+  void SetByte(size_t index, uint8_t value);
+
+  bool Read(rtc::ByteBufferReader* buf) override;
+  bool Write(rtc::ByteBufferWriter* buf) const override;
+
+ private:
+  void SetBytes(uint8_t* bytes, size_t length);
+
+  uint8_t* bytes_;
+};
+
+// Implements STUN attributes that record an error code.
+class StunErrorCodeAttribute : public StunAttribute {
+ public:
+  static const uint16_t MIN_SIZE;
+  StunErrorCodeAttribute(uint16_t type, int code, const std::string& reason);
+  StunErrorCodeAttribute(uint16_t type, uint16_t length);
+  ~StunErrorCodeAttribute() override;
+
+  StunAttributeValueType value_type() const override;
+
+  // The combined error and class, e.g. 0x400.
+  int code() const;
+  void SetCode(int code);
+
+  // The individual error components.
+  int eclass() const { return class_; }
+  int number() const { return number_; }
+  const std::string& reason() const { return reason_; }
+  void SetClass(uint8_t eclass) { class_ = eclass; }
+  void SetNumber(uint8_t number) { number_ = number; }
+  void SetReason(const std::string& reason);
+
+  bool Read(rtc::ByteBufferReader* buf) override;
+  bool Write(rtc::ByteBufferWriter* buf) const override;
+
+ private:
+  uint8_t class_;
+  uint8_t number_;
+  std::string reason_;
+};
+
+// Implements STUN attributes that record a list of attribute names.
+class StunUInt16ListAttribute : public StunAttribute {
+ public:
+  StunUInt16ListAttribute(uint16_t type, uint16_t length);
+  ~StunUInt16ListAttribute() override;
+
+  StunAttributeValueType value_type() const override;
+
+  size_t Size() const;
+  uint16_t GetType(int index) const;
+  void SetType(int index, uint16_t value);
+  void AddType(uint16_t value);
+  void AddTypeAtIndex(uint16_t index, uint16_t value);
+
+  bool Read(rtc::ByteBufferReader* buf) override;
+  bool Write(rtc::ByteBufferWriter* buf) const override;
+
+ private:
+  std::vector<uint16_t>* attr_types_;
+};
+
+// Return a string e.g "STUN BINDING request".
+std::string StunMethodToString(int msg_type);
+
+// Returns the (successful) response type for the given request type.
+// Returns -1 if `request_type` is not a valid request type.
+int GetStunSuccessResponseType(int request_type);
+
+// Returns the error response type for the given request type.
+// Returns -1 if `request_type` is not a valid request type.
+int GetStunErrorResponseType(int request_type);
+
+// Returns whether a given message is a request type.
+bool IsStunRequestType(int msg_type);
+
+// Returns whether a given message is an indication type.
+bool IsStunIndicationType(int msg_type);
+
+// Returns whether a given response is a success type.
+bool IsStunSuccessResponseType(int msg_type);
+
+// Returns whether a given response is an error type.
+bool IsStunErrorResponseType(int msg_type);
+
+// Computes the STUN long-term credential hash.
+bool ComputeStunCredentialHash(const std::string& username,
+                               const std::string& realm,
+                               const std::string& password,
+                               std::string* hash);
+
+// Make a copy af `attribute` and return a new StunAttribute.
+//   This is useful if you don't care about what kind of attribute you
+//   are handling.
+//
+// The implementation copies by calling Write() followed by Read().
+//
+// If `tmp_buffer` is supplied this buffer will be used, otherwise
+// a buffer will created in the method.
+std::unique_ptr<StunAttribute> CopyStunAttribute(
+    const StunAttribute& attribute,
+    rtc::ByteBufferWriter* tmp_buffer_ptr = 0);
+
+// TODO(?): Move the TURN/ICE stuff below out to separate files.
+extern const char TURN_MAGIC_COOKIE_VALUE[4];
+
+// "GTURN" STUN methods.
+// TODO(?): Rename these methods to GTURN_ to make it clear they aren't
+// part of standard STUN/TURN.
+enum RelayMessageType {
+  // For now, using the same defs from TurnMessageType below.
+  // STUN_ALLOCATE_REQUEST              = 0x0003,
+  // STUN_ALLOCATE_RESPONSE             = 0x0103,
+  // STUN_ALLOCATE_ERROR_RESPONSE       = 0x0113,
+  STUN_SEND_REQUEST = 0x0004,
+  STUN_SEND_RESPONSE = 0x0104,
+  STUN_SEND_ERROR_RESPONSE = 0x0114,
+  STUN_DATA_INDICATION = 0x0115,
+};
+
+// "GTURN"-specific STUN attributes.
+// TODO(?): Rename these attributes to GTURN_ to avoid conflicts.
+enum RelayAttributeType {
+  STUN_ATTR_LIFETIME = 0x000d,             // UInt32
+  STUN_ATTR_MAGIC_COOKIE = 0x000f,         // ByteString, 4 bytes
+  STUN_ATTR_BANDWIDTH = 0x0010,            // UInt32
+  STUN_ATTR_DESTINATION_ADDRESS = 0x0011,  // Address
+  STUN_ATTR_SOURCE_ADDRESS2 = 0x0012,      // Address
+  STUN_ATTR_DATA = 0x0013,                 // ByteString
+  STUN_ATTR_OPTIONS = 0x8001,              // UInt32
+};
+
+// A "GTURN" STUN message.
+class RelayMessage : public StunMessage {
+ public:
+  using StunMessage::StunMessage;
+
+ protected:
+  StunAttributeValueType GetAttributeValueType(int type) const override;
+  StunMessage* CreateNew() const override;
+};
+
+// Defined in TURN RFC 5766.
+enum TurnMessageType : uint16_t {
+  STUN_ALLOCATE_REQUEST = 0x0003,
+  STUN_ALLOCATE_RESPONSE = 0x0103,
+  STUN_ALLOCATE_ERROR_RESPONSE = 0x0113,
+  TURN_REFRESH_REQUEST = 0x0004,
+  TURN_REFRESH_RESPONSE = 0x0104,
+  TURN_REFRESH_ERROR_RESPONSE = 0x0114,
+  TURN_SEND_INDICATION = 0x0016,
+  TURN_DATA_INDICATION = 0x0017,
+  TURN_CREATE_PERMISSION_REQUEST = 0x0008,
+  TURN_CREATE_PERMISSION_RESPONSE = 0x0108,
+  TURN_CREATE_PERMISSION_ERROR_RESPONSE = 0x0118,
+  TURN_CHANNEL_BIND_REQUEST = 0x0009,
+  TURN_CHANNEL_BIND_RESPONSE = 0x0109,
+  TURN_CHANNEL_BIND_ERROR_RESPONSE = 0x0119,
+};
+
+enum TurnAttributeType {
+  STUN_ATTR_CHANNEL_NUMBER = 0x000C,    // UInt32
+  STUN_ATTR_TURN_LIFETIME = 0x000d,     // UInt32
+  STUN_ATTR_XOR_PEER_ADDRESS = 0x0012,  // XorAddress
+  // TODO(mallinath) - Uncomment after RelayAttributes are renamed.
+  // STUN_ATTR_DATA                     = 0x0013,  // ByteString
+  STUN_ATTR_XOR_RELAYED_ADDRESS = 0x0016,  // XorAddress
+  STUN_ATTR_EVEN_PORT = 0x0018,            // ByteString, 1 byte.
+  STUN_ATTR_REQUESTED_TRANSPORT = 0x0019,  // UInt32
+  STUN_ATTR_DONT_FRAGMENT = 0x001A,        // No content, Length = 0
+  STUN_ATTR_RESERVATION_TOKEN = 0x0022,    // ByteString, 8 bytes.
+  // TODO(mallinath) - Rename STUN_ATTR_TURN_LIFETIME to STUN_ATTR_LIFETIME and
+  // STUN_ATTR_TURN_DATA to STUN_ATTR_DATA. Also rename RelayMessage attributes
+  // by appending G to attribute name.
+};
+
+// RFC 5766-defined errors.
+enum TurnErrorType {
+  STUN_ERROR_FORBIDDEN = 403,
+  STUN_ERROR_ALLOCATION_MISMATCH = 437,
+  STUN_ERROR_WRONG_CREDENTIALS = 441,
+  STUN_ERROR_UNSUPPORTED_PROTOCOL = 442
+};
+
+extern const int SERVER_NOT_REACHABLE_ERROR;
+
+extern const char STUN_ERROR_REASON_FORBIDDEN[];
+extern const char STUN_ERROR_REASON_ALLOCATION_MISMATCH[];
+extern const char STUN_ERROR_REASON_WRONG_CREDENTIALS[];
+extern const char STUN_ERROR_REASON_UNSUPPORTED_PROTOCOL[];
+class TurnMessage : public StunMessage {
+ public:
+  using StunMessage::StunMessage;
+
+ protected:
+  StunAttributeValueType GetAttributeValueType(int type) const override;
+  StunMessage* CreateNew() const override;
+};
+
+enum IceAttributeType {
+  // RFC 5245 ICE STUN attributes.
+  STUN_ATTR_PRIORITY = 0x0024,         // UInt32
+  STUN_ATTR_USE_CANDIDATE = 0x0025,    // No content, Length = 0
+  STUN_ATTR_ICE_CONTROLLED = 0x8029,   // UInt64
+  STUN_ATTR_ICE_CONTROLLING = 0x802A,  // UInt64
+  // The following attributes are in the comprehension-optional range
+  // (0xC000-0xFFFF) and are not registered with IANA. These STUN attributes are
+  // intended for ICE and should NOT be used in generic use cases of STUN
+  // messages.
+  //
+  // Note that the value 0xC001 has already been assigned by IANA to
+  // ENF-FLOW-DESCRIPTION
+  // (https://www.iana.org/assignments/stun-parameters/stun-parameters.xml).
+  STUN_ATTR_NOMINATION = 0xC001,  // UInt32
+  // UInt32. The higher 16 bits are the network ID. The lower 16 bits are the
+  // network cost.
+  STUN_ATTR_GOOG_NETWORK_INFO = 0xC057,
+  // Experimental: Transaction ID of the last connectivity check received.
+  STUN_ATTR_GOOG_LAST_ICE_CHECK_RECEIVED = 0xC058,
+  // Uint16List. Miscellaneous attributes for future extension.
+  STUN_ATTR_GOOG_MISC_INFO = 0xC059,
+  // Obsolete.
+  STUN_ATTR_GOOG_OBSOLETE_1 = 0xC05A,
+  STUN_ATTR_GOOG_CONNECTION_ID = 0xC05B,   // Not yet implemented.
+  STUN_ATTR_GOOG_DELTA = 0xC05C,           // Not yet implemented.
+  STUN_ATTR_GOOG_DELTA_ACK = 0xC05D,       // Not yet implemented.
+  STUN_ATTR_GOOG_DELTA_SYNC_REQ = 0xC05E,  // Not yet implemented.
+  // MESSAGE-INTEGRITY truncated to 32-bit.
+  STUN_ATTR_GOOG_MESSAGE_INTEGRITY_32 = 0xC060,
+};
+
+// When adding new attributes to STUN_ATTR_GOOG_MISC_INFO
+// (which is a list of uint16_t), append the indices of these attributes below
+// and do NOT change the existing indices. The indices of attributes must be
+// consistent with those used in ConnectionRequest::Prepare when forming a STUN
+// message for the ICE connectivity check, and they are used when parsing a
+// received STUN message.
+enum class IceGoogMiscInfoBindingRequestAttributeIndex {
+  SUPPORT_GOOG_PING_VERSION = 0,
+};
+
+enum class IceGoogMiscInfoBindingResponseAttributeIndex {
+  SUPPORT_GOOG_PING_VERSION = 0,
+};
+
+// RFC 5245-defined errors.
+enum IceErrorCode {
+  STUN_ERROR_ROLE_CONFLICT = 487,
+};
+extern const char STUN_ERROR_REASON_ROLE_CONFLICT[];
+
+// A RFC 5245 ICE STUN message.
+class IceMessage : public StunMessage {
+ public:
+  using StunMessage::StunMessage;
+
+ protected:
+  StunAttributeValueType GetAttributeValueType(int type) const override;
+  StunMessage* CreateNew() const override;
+};
+
+}  // namespace cricket
+
+#endif  // API_TRANSPORT_STUN_H_

TMessagesProj/jni/voip/webrtc/api/transport/test/create_feedback_generator.cc

@@ -0,0 +1,23 @@
+/*
+ *  Copyright 2019 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 "api/transport/test/create_feedback_generator.h"
+
+#include <memory>
+
+#include "test/network/feedback_generator.h"
+
+namespace webrtc {
+
+std::unique_ptr<FeedbackGenerator> CreateFeedbackGenerator(
+    FeedbackGenerator::Config confg) {
+  return std::make_unique<FeedbackGeneratorImpl>(confg);
+}
+
+}  // namespace webrtc

TMessagesProj/jni/voip/webrtc/api/transport/test/create_feedback_generator.h

@@ -0,0 +1,21 @@
+/*
+ *  Copyright 2019 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 API_TRANSPORT_TEST_CREATE_FEEDBACK_GENERATOR_H_
+#define API_TRANSPORT_TEST_CREATE_FEEDBACK_GENERATOR_H_
+
+#include <memory>
+
+#include "api/transport/test/feedback_generator_interface.h"
+
+namespace webrtc {
+std::unique_ptr<FeedbackGenerator> CreateFeedbackGenerator(
+    FeedbackGenerator::Config confg);
+}  // namespace webrtc
+#endif  // API_TRANSPORT_TEST_CREATE_FEEDBACK_GENERATOR_H_

TMessagesProj/jni/voip/webrtc/api/transport/test/feedback_generator_interface.h

@@ -0,0 +1,37 @@
+/*
+ *  Copyright 2019 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 API_TRANSPORT_TEST_FEEDBACK_GENERATOR_INTERFACE_H_
+#define API_TRANSPORT_TEST_FEEDBACK_GENERATOR_INTERFACE_H_
+
+#include <vector>
+
+#include "api/test/simulated_network.h"
+#include "api/transport/network_types.h"
+
+namespace webrtc {
+class FeedbackGenerator {
+ public:
+  struct Config {
+    BuiltInNetworkBehaviorConfig send_link;
+    BuiltInNetworkBehaviorConfig return_link;
+    TimeDelta feedback_interval = TimeDelta::Millis(50);
+    DataSize feedback_packet_size = DataSize::Bytes(20);
+  };
+  virtual ~FeedbackGenerator() = default;
+  virtual Timestamp Now() = 0;
+  virtual void Sleep(TimeDelta duration) = 0;
+  virtual void SendPacket(size_t size) = 0;
+  virtual std::vector<TransportPacketsFeedback> PopFeedback() = 0;
+  virtual void SetSendConfig(BuiltInNetworkBehaviorConfig config) = 0;
+  virtual void SetReturnConfig(BuiltInNetworkBehaviorConfig config) = 0;
+  virtual void SetSendLinkCapacity(DataRate capacity) = 0;
+};
+}  // namespace webrtc
+#endif  // API_TRANSPORT_TEST_FEEDBACK_GENERATOR_INTERFACE_H_

TMessagesProj/jni/voip/webrtc/api/transport/test/mock_network_control.h

@@ -0,0 +1,84 @@
+/*
+ *  Copyright (c) 2019 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 API_TRANSPORT_TEST_MOCK_NETWORK_CONTROL_H_
+#define API_TRANSPORT_TEST_MOCK_NETWORK_CONTROL_H_
+
+#include "api/transport/network_control.h"
+#include "test/gmock.h"
+
+namespace webrtc {
+
+class MockNetworkControllerInterface : public NetworkControllerInterface {
+ public:
+  MOCK_METHOD(NetworkControlUpdate,
+              OnNetworkAvailability,
+              (NetworkAvailability),
+              (override));
+  MOCK_METHOD(NetworkControlUpdate,
+              OnProcessInterval,
+              (ProcessInterval),
+              (override));
+  MOCK_METHOD(NetworkControlUpdate,
+              OnNetworkRouteChange,
+              (NetworkRouteChange),
+              (override));
+  MOCK_METHOD(NetworkControlUpdate,
+              OnRemoteBitrateReport,
+              (RemoteBitrateReport),
+              (override));
+  MOCK_METHOD(NetworkControlUpdate,
+              OnRoundTripTimeUpdate,
+              (RoundTripTimeUpdate),
+              (override));
+  MOCK_METHOD(NetworkControlUpdate, OnSentPacket, (SentPacket), (override));
+  MOCK_METHOD(NetworkControlUpdate,
+              OnReceivedPacket,
+              (ReceivedPacket),
+              (override));
+  MOCK_METHOD(NetworkControlUpdate,
+              OnStreamsConfig,
+              (StreamsConfig),
+              (override));
+  MOCK_METHOD(NetworkControlUpdate,
+              OnTargetRateConstraints,
+              (TargetRateConstraints),
+              (override));
+  MOCK_METHOD(NetworkControlUpdate,
+              OnTransportLossReport,
+              (TransportLossReport),
+              (override));
+  MOCK_METHOD(NetworkControlUpdate,
+              OnTransportPacketsFeedback,
+              (TransportPacketsFeedback),
+              (override));
+  MOCK_METHOD(NetworkControlUpdate,
+              OnNetworkStateEstimate,
+              (NetworkStateEstimate),
+              (override));
+};
+
+class MockNetworkStateEstimator : public NetworkStateEstimator {
+ public:
+  MOCK_METHOD(absl::optional<NetworkStateEstimate>,
+              GetCurrentEstimate,
+              (),
+              (override));
+  MOCK_METHOD(void,
+              OnTransportPacketsFeedback,
+              (const TransportPacketsFeedback&),
+              (override));
+  MOCK_METHOD(void, OnReceivedPacket, (const PacketResult&), (override));
+  MOCK_METHOD(void, OnRouteChange, (const NetworkRouteChange&), (override));
+};
+
+}  // namespace webrtc
+
+#endif  // API_TRANSPORT_TEST_MOCK_NETWORK_CONTROL_H_