direct_transport.h

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/*

 *  Copyright (c) 2013 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 TEST_DIRECT_TRANSPORT_H_

#define TEST_DIRECT_TRANSPORT_H_

#include <memory>

#include "api/call/transport.h"

#include "api/sequence_checker.h"

#include "api/task_queue/task_queue_base.h"

#include "api/test/simulated_network.h"

#include "call/call.h"

#include "call/simulated_packet_receiver.h"

#include "rtc_base/synchronization/mutex.h"

#include "rtc_base/task_utils/repeating_task.h"

#include "rtc_base/thread_annotations.h"

namespace webrtc {

class PacketReceiver;

namespace test {

class Demuxer {

 public:

  explicit Demuxer(const std::map<uint8_t, MediaType>& payload_type_map);

  ~Demuxer() = default;

  Demuxer(const Demuxer&) = delete;

  Demuxer& operator=(const Demuxer&) = delete;

  MediaType GetMediaType(const uint8_t* packet_data,

                         size_t packet_length) const;

  const std::map<uint8_t, MediaType> payload_type_map_;

};

// Objects of this class are expected to be allocated and destroyed  on the

// same task-queue - the one that's passed in via the constructor.

class DirectTransport : public Transport {

 public:

  DirectTransport(TaskQueueBase* task_queue,

                  std::unique_ptr<SimulatedPacketReceiverInterface> pipe,

                  Call* send_call,

                  const std::map<uint8_t, MediaType>& payload_type_map,

                  rtc::ArrayView<const RtpExtension> audio_extensions,

                  rtc::ArrayView<const RtpExtension> video_extensions);

  ~DirectTransport() override;

  // TODO(holmer): Look into moving this to the constructor.

  virtual void SetReceiver(PacketReceiver* receiver);

  // Backwards compatibility using statements.

  // TODO(https://bugs.webrtc.org/15410): Remove when not needed.

  using Transport::SendRtcp;

  using Transport::SendRtp;

  bool SendRtp(rtc::ArrayView<const uint8_t> data,

               const PacketOptions& options) override;

  bool SendRtcp(rtc::ArrayView<const uint8_t> data) override;

  int GetAverageDelayMs();

 private:

  void ProcessPackets() RTC_EXCLUSIVE_LOCKS_REQUIRED(&process_lock_);

  void LegacySendPacket(const uint8_t* data, size_t length);

  void Start();

  Call* const send_call_;

  TaskQueueBase* const task_queue_;

  Mutex process_lock_;

  RepeatingTaskHandle next_process_task_ RTC_GUARDED_BY(&process_lock_);

  const Demuxer demuxer_;

  const std::unique_ptr<SimulatedPacketReceiverInterface> fake_network_;

  const RtpHeaderExtensionMap audio_extensions_;

  const RtpHeaderExtensionMap video_extensions_;

};

}  // namespace test

}  // namespace webrtc

#endif  // TEST_DIRECT_TRANSPORT_H_