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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; | |
31 | 30 |
32 namespace paced_sender { | 31 namespace paced_sender { |
33 class IntervalBudget; | 32 class IntervalBudget; |
34 struct Packet; | 33 struct Packet; |
35 class PacketQueue; | 34 class PacketQueue; |
36 } // namespace paced_sender | 35 } // namespace paced_sender |
37 | 36 |
38 class PacedSender : public Module, public RtpPacketSender { | 37 class PacedSender : public Module, public RtpPacketSender { |
39 public: | 38 public: |
40 class PacketSender { | 39 class PacketSender { |
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62 // encoding them). Bitrate sent may temporarily exceed target set by | 61 // encoding them). Bitrate sent may temporarily exceed target set by |
63 // UpdateBitrate() so that this limit will be upheld. | 62 // UpdateBitrate() so that this limit will be upheld. |
64 static const int64_t kMaxQueueLengthMs; | 63 static const int64_t kMaxQueueLengthMs; |
65 // Pacing-rate relative to our target send rate. | 64 // Pacing-rate relative to our target send rate. |
66 // Multiplicative factor that is applied to the target bitrate to calculate | 65 // Multiplicative factor that is applied to the target bitrate to calculate |
67 // the number of bytes that can be transmitted per interval. | 66 // the number of bytes that can be transmitted per interval. |
68 // Increasing this factor will result in lower delays in cases of bitrate | 67 // Increasing this factor will result in lower delays in cases of bitrate |
69 // overshoots from the encoder. | 68 // overshoots from the encoder. |
70 static const float kDefaultPaceMultiplier; | 69 static const float kDefaultPaceMultiplier; |
71 | 70 |
72 PacedSender(const Clock* clock, | 71 PacedSender(const Clock* clock, PacketSender* packet_sender); |
73 PacketSender* packet_sender, | |
74 RtcEventLog* event_log); | |
75 | 72 |
76 virtual ~PacedSender(); | 73 virtual ~PacedSender(); |
77 | 74 |
78 virtual void CreateProbeCluster(int bitrate_bps); | 75 virtual void CreateProbeCluster(int bitrate_bps); |
79 | 76 |
80 // Temporarily pause all sending. | 77 // Temporarily pause all sending. |
81 void Pause(); | 78 void Pause(); |
82 | 79 |
83 // Resume sending packets. | 80 // Resume sending packets. |
84 void Resume(); | 81 void Resume(); |
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184 uint32_t pacing_bitrate_kbps_ GUARDED_BY(critsect_); | 181 uint32_t pacing_bitrate_kbps_ GUARDED_BY(critsect_); |
185 | 182 |
186 int64_t time_last_update_us_ GUARDED_BY(critsect_); | 183 int64_t time_last_update_us_ GUARDED_BY(critsect_); |
187 | 184 |
188 std::unique_ptr<paced_sender::PacketQueue> packets_ GUARDED_BY(critsect_); | 185 std::unique_ptr<paced_sender::PacketQueue> packets_ GUARDED_BY(critsect_); |
189 uint64_t packet_counter_; | 186 uint64_t packet_counter_; |
190 ProcessThread* process_thread_ = nullptr; | 187 ProcessThread* process_thread_ = nullptr; |
191 }; | 188 }; |
192 } // namespace webrtc | 189 } // namespace webrtc |
193 #endif // WEBRTC_MODULES_PACING_PACED_SENDER_H_ | 190 #endif // WEBRTC_MODULES_PACING_PACED_SENDER_H_ |
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