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1 /* | |
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license | |
5 * that can be found in the LICENSE file in the root of the source | |
6 * tree. An additional intellectual property rights grant can be found | |
7 * in the file PATENTS. All contributing project authors may | |
8 * be found in the AUTHORS file in the root of the source tree. | |
9 */ | |
10 | |
11 #ifndef WEBRTC_CALL_CONGESTION_CONTROLLER_H_ | |
12 #define WEBRTC_CALL_CONGESTION_CONTROLLER_H_ | |
13 | |
14 #include "webrtc/base/scoped_ptr.h" | |
15 #include "webrtc/base/thread_checker.h" | |
16 #include "webrtc/modules/include/module.h" | |
17 #include "webrtc/modules/include/module_common_types.h" | |
18 #include "webrtc/modules/pacing/packet_router.h" | |
19 #include "webrtc/modules/remote_bitrate_estimator/remote_estimator_proxy.h" | |
20 #include "webrtc/modules/remote_bitrate_estimator/transport_feedback_adapter.h" | |
21 #include "webrtc/stream.h" | |
22 | |
23 namespace rtc { | |
24 struct SentPacket; | |
25 } | |
26 | |
27 namespace webrtc { | |
28 | |
29 class BitrateController; | |
30 class BitrateObserver; | |
31 class Clock; | |
32 class PacedSender; | |
33 class ProcessThread; | |
34 class RemoteBitrateEstimator; | |
35 class RemoteBitrateObserver; | |
36 class TransportFeedbackObserver; | |
37 | |
38 class CongestionController : public CallStatsObserver, public Module { | |
39 public: | |
40 CongestionController(Clock* clock, | |
41 BitrateObserver* bitrate_observer, | |
42 RemoteBitrateObserver* remote_bitrate_observer); | |
43 virtual ~CongestionController(); | |
44 | |
45 virtual void SetBweBitrates(int min_bitrate_bps, | |
46 int start_bitrate_bps, | |
47 int max_bitrate_bps); | |
48 virtual void SignalNetworkState(NetworkState state); | |
49 virtual BitrateController* GetBitrateController() const; | |
50 virtual RemoteBitrateEstimator* GetRemoteBitrateEstimator( | |
51 bool send_side_bwe); | |
52 virtual int64_t GetPacerQueuingDelayMs() const; | |
53 virtual PacedSender* pacer() { return pacer_.get(); } | |
54 virtual PacketRouter* packet_router() { return &packet_router_; } | |
55 virtual TransportFeedbackObserver* GetTransportFeedbackObserver(); | |
56 | |
57 virtual void UpdatePacerBitrate(int bitrate_kbps, | |
58 int max_bitrate_kbps, | |
59 int min_bitrate_kbps); | |
60 | |
61 virtual void OnSentPacket(const rtc::SentPacket& sent_packet); | |
62 | |
63 // Implements CallStatsObserver. | |
64 void OnRttUpdate(int64_t avg_rtt_ms, int64_t max_rtt_ms) override; | |
65 | |
66 // Implements Module. | |
67 int64_t TimeUntilNextProcess() override; | |
68 int32_t Process() override; | |
69 | |
70 private: | |
71 Clock* const clock_; | |
72 rtc::ThreadChecker config_thread_checker_; | |
73 const rtc::scoped_ptr<PacedSender> pacer_; | |
74 const rtc::scoped_ptr<RemoteBitrateEstimator> remote_bitrate_estimator_; | |
75 const rtc::scoped_ptr<ProcessThread> pacer_thread_; | |
76 const rtc::scoped_ptr<BitrateController> bitrate_controller_; | |
77 PacketRouter packet_router_; | |
78 RemoteEstimatorProxy remote_estimator_proxy_; | |
79 TransportFeedbackAdapter transport_feedback_adapter_; | |
80 int min_bitrate_bps_; | |
81 | |
82 RTC_DISALLOW_IMPLICIT_CONSTRUCTORS(CongestionController); | |
83 }; | |
84 | |
85 } // namespace webrtc | |
86 | |
87 #endif // WEBRTC_CALL_CONGESTION_CONTROLLER_H_ | |
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