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1 /* | 1 /* |
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #ifndef WEBRTC_MODULES_PACING_PACED_SENDER_H_ | 11 #ifndef WEBRTC_MODULES_PACING_PACED_SENDER_H_ |
12 #define WEBRTC_MODULES_PACING_PACED_SENDER_H_ | 12 #define WEBRTC_MODULES_PACING_PACED_SENDER_H_ |
13 | 13 |
14 #include <list> | 14 #include <list> |
15 #include <memory> | 15 #include <memory> |
16 #include <set> | 16 #include <set> |
17 | 17 |
18 #include "webrtc/base/optional.h" | 18 #include "webrtc/base/optional.h" |
19 #include "webrtc/base/thread_annotations.h" | 19 #include "webrtc/base/thread_annotations.h" |
20 #include "webrtc/modules/include/module.h" | 20 #include "webrtc/modules/include/module.h" |
21 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h" | 21 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h" |
22 #include "webrtc/typedefs.h" | 22 #include "webrtc/typedefs.h" |
23 | 23 |
24 namespace webrtc { | 24 namespace webrtc { |
25 class AlrDetector; | 25 class AlrDetector; |
26 class BitrateProber; | 26 class BitrateProber; |
27 class Clock; | 27 class Clock; |
28 class CriticalSectionWrapper; | 28 class CriticalSectionWrapper; |
29 class ProbeClusterCreatedObserver; | 29 class ProbeClusterCreatedObserver; |
| 30 class RtcEventLog; |
30 | 31 |
31 namespace paced_sender { | 32 namespace paced_sender { |
32 class IntervalBudget; | 33 class IntervalBudget; |
33 struct Packet; | 34 struct Packet; |
34 class PacketQueue; | 35 class PacketQueue; |
35 } // namespace paced_sender | 36 } // namespace paced_sender |
36 | 37 |
37 class PacedSender : public Module, public RtpPacketSender { | 38 class PacedSender : public Module, public RtpPacketSender { |
38 public: | 39 public: |
39 class PacketSender { | 40 class PacketSender { |
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61 // encoding them). Bitrate sent may temporarily exceed target set by | 62 // encoding them). Bitrate sent may temporarily exceed target set by |
62 // UpdateBitrate() so that this limit will be upheld. | 63 // UpdateBitrate() so that this limit will be upheld. |
63 static const int64_t kMaxQueueLengthMs; | 64 static const int64_t kMaxQueueLengthMs; |
64 // Pacing-rate relative to our target send rate. | 65 // Pacing-rate relative to our target send rate. |
65 // Multiplicative factor that is applied to the target bitrate to calculate | 66 // Multiplicative factor that is applied to the target bitrate to calculate |
66 // the number of bytes that can be transmitted per interval. | 67 // the number of bytes that can be transmitted per interval. |
67 // Increasing this factor will result in lower delays in cases of bitrate | 68 // Increasing this factor will result in lower delays in cases of bitrate |
68 // overshoots from the encoder. | 69 // overshoots from the encoder. |
69 static const float kDefaultPaceMultiplier; | 70 static const float kDefaultPaceMultiplier; |
70 | 71 |
71 PacedSender(const Clock* clock, PacketSender* packet_sender); | 72 PacedSender(const Clock* clock, |
| 73 PacketSender* packet_sender, |
| 74 RtcEventLog* event_log); |
72 | 75 |
73 virtual ~PacedSender(); | 76 virtual ~PacedSender(); |
74 | 77 |
75 virtual void CreateProbeCluster(int bitrate_bps); | 78 virtual void CreateProbeCluster(int bitrate_bps); |
76 | 79 |
77 // Temporarily pause all sending. | 80 // Temporarily pause all sending. |
78 void Pause(); | 81 void Pause(); |
79 | 82 |
80 // Resume sending packets. | 83 // Resume sending packets. |
81 void Resume(); | 84 void Resume(); |
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181 uint32_t pacing_bitrate_kbps_ GUARDED_BY(critsect_); | 184 uint32_t pacing_bitrate_kbps_ GUARDED_BY(critsect_); |
182 | 185 |
183 int64_t time_last_update_us_ GUARDED_BY(critsect_); | 186 int64_t time_last_update_us_ GUARDED_BY(critsect_); |
184 | 187 |
185 std::unique_ptr<paced_sender::PacketQueue> packets_ GUARDED_BY(critsect_); | 188 std::unique_ptr<paced_sender::PacketQueue> packets_ GUARDED_BY(critsect_); |
186 uint64_t packet_counter_; | 189 uint64_t packet_counter_; |
187 ProcessThread* process_thread_ = nullptr; | 190 ProcessThread* process_thread_ = nullptr; |
188 }; | 191 }; |
189 } // namespace webrtc | 192 } // namespace webrtc |
190 #endif // WEBRTC_MODULES_PACING_PACED_SENDER_H_ | 193 #endif // WEBRTC_MODULES_PACING_PACED_SENDER_H_ |
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