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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 | 30 |
30 namespace paced_sender { | 31 namespace paced_sender { |
31 class IntervalBudget; | 32 class IntervalBudget; |
32 struct Packet; | 33 struct Packet; |
33 class PacketQueue; | 34 class PacketQueue; |
34 } // namespace paced_sender | 35 } // namespace paced_sender |
35 | 36 |
36 class PacedSender : public Module, public RtpPacketSender { | 37 class PacedSender : public Module, public RtpPacketSender { |
37 public: | 38 public: |
38 class PacketSender { | 39 class PacketSender { |
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61 static const int64_t kMaxQueueLengthMs; | 62 static const int64_t kMaxQueueLengthMs; |
62 // Pacing-rate relative to our target send rate. | 63 // Pacing-rate relative to our target send rate. |
63 // Multiplicative factor that is applied to the target bitrate to calculate | 64 // Multiplicative factor that is applied to the target bitrate to calculate |
64 // the number of bytes that can be transmitted per interval. | 65 // the number of bytes that can be transmitted per interval. |
65 // Increasing this factor will result in lower delays in cases of bitrate | 66 // Increasing this factor will result in lower delays in cases of bitrate |
66 // overshoots from the encoder. | 67 // overshoots from the encoder. |
67 static const float kDefaultPaceMultiplier; | 68 static const float kDefaultPaceMultiplier; |
68 | 69 |
69 static const size_t kMinProbePacketSize = 200; | 70 static const size_t kMinProbePacketSize = 200; |
70 | 71 |
71 PacedSender(Clock* clock, | 72 PacedSender(Clock* clock, PacketSender* packet_sender); |
72 PacketSender* packet_sender); | |
73 | 73 |
74 virtual ~PacedSender(); | 74 virtual ~PacedSender(); |
75 | 75 |
76 virtual void CreateProbeCluster(int bitrate_bps, int num_packets); | 76 virtual void CreateProbeCluster(int bitrate_bps); |
77 | 77 |
78 // Temporarily pause all sending. | 78 // Temporarily pause all sending. |
79 void Pause(); | 79 void Pause(); |
80 | 80 |
81 // Resume sending packets. | 81 // Resume sending packets. |
82 void Resume(); | 82 void Resume(); |
83 | 83 |
84 // Enable bitrate probing. Enabled by default, mostly here to simplify | 84 // Enable bitrate probing. Enabled by default, mostly here to simplify |
85 // testing. Must be called before any packets are being sent to have an | 85 // testing. Must be called before any packets are being sent to have an |
86 // effect. | 86 // effect. |
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176 uint32_t max_padding_bitrate_kbps_ GUARDED_BY(critsect_); | 176 uint32_t max_padding_bitrate_kbps_ GUARDED_BY(critsect_); |
177 uint32_t pacing_bitrate_kbps_ GUARDED_BY(critsect_); | 177 uint32_t pacing_bitrate_kbps_ GUARDED_BY(critsect_); |
178 | 178 |
179 int64_t time_last_update_us_ GUARDED_BY(critsect_); | 179 int64_t time_last_update_us_ GUARDED_BY(critsect_); |
180 | 180 |
181 std::unique_ptr<paced_sender::PacketQueue> packets_ GUARDED_BY(critsect_); | 181 std::unique_ptr<paced_sender::PacketQueue> packets_ GUARDED_BY(critsect_); |
182 uint64_t packet_counter_; | 182 uint64_t packet_counter_; |
183 }; | 183 }; |
184 } // namespace webrtc | 184 } // namespace webrtc |
185 #endif // WEBRTC_MODULES_PACING_PACED_SENDER_H_ | 185 #endif // WEBRTC_MODULES_PACING_PACED_SENDER_H_ |
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