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Side by Side Diff: webrtc/modules/bitrate_controller/include/bitrate_controller.h

Issue 1917793002: Remove SendPacer from ViEEncoder (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: Rebased Created 4 years, 7 months ago
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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 * Usage: this class will register multiple RtcpBitrateObserver's one at each 10 * Usage: this class will register multiple RtcpBitrateObserver's one at each
11 * RTCP module. It will aggregate the results and run one bandwidth estimation 11 * RTCP module. It will aggregate the results and run one bandwidth estimation
12 * and push the result to the encoders via BitrateObserver(s). 12 * and push the result to the encoders via BitrateObserver(s).
13 */ 13 */
14 14
15 #ifndef WEBRTC_MODULES_BITRATE_CONTROLLER_INCLUDE_BITRATE_CONTROLLER_H_ 15 #ifndef WEBRTC_MODULES_BITRATE_CONTROLLER_INCLUDE_BITRATE_CONTROLLER_H_
16 #define WEBRTC_MODULES_BITRATE_CONTROLLER_INCLUDE_BITRATE_CONTROLLER_H_ 16 #define WEBRTC_MODULES_BITRATE_CONTROLLER_INCLUDE_BITRATE_CONTROLLER_H_
17 17
18 #include <map> 18 #include <map>
19 19
20 #include "webrtc/modules/include/module.h" 20 #include "webrtc/modules/include/module.h"
21 #include "webrtc/modules/pacing/paced_sender.h"
21 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h" 22 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h"
22 23
23 namespace webrtc { 24 namespace webrtc {
24 25
25 class CriticalSectionWrapper; 26 class CriticalSectionWrapper;
26 class RtcEventLog; 27 class RtcEventLog;
27 struct PacketInfo; 28 struct PacketInfo;
28 29
29 class BitrateObserver { 30 class BitrateObserver {
30 // Observer class for bitrate changes announced due to change in bandwidth 31 // Observer class for bitrate changes announced due to change in bandwidth
31 // estimate or due to bitrate allocation changes. Fraction loss and rtt is 32 // estimate or due to bitrate allocation changes. Fraction loss and rtt is
32 // also part of this callback to allow the obsevrer to optimize its settings 33 // also part of this callback to allow the obsevrer to optimize its settings
33 // for different types of network environments. The bitrate does not include 34 // for different types of network environments. The bitrate does not include
34 // packet headers and is measured in bits per second. 35 // packet headers and is measured in bits per second.
35 public: 36 public:
36 virtual void OnNetworkChanged(uint32_t bitrate_bps, 37 virtual void OnNetworkChanged(uint32_t bitrate_bps,
37 uint8_t fraction_loss, // 0 - 255. 38 uint8_t fraction_loss, // 0 - 255.
38 int64_t rtt_ms) = 0; 39 int64_t rtt_ms) = 0;
39 40
40 virtual ~BitrateObserver() {} 41 virtual ~BitrateObserver() {}
41 }; 42 };
42 43
43 class BitrateController : public Module { 44 class BitrateController : public Module {
44 // This class collects feedback from all streams sent to a peer (via 45 // This class collects feedback from all streams sent to a peer (via
45 // RTCPBandwidthObservers). It does one aggregated send side bandwidth 46 // RTCPBandwidthObservers). It does one aggregated send side bandwidth
46 // estimation and divide the available bitrate between all its registered 47 // estimation and divide the available bitrate between all its registered
47 // BitrateObservers. 48 // BitrateObservers.
48 public: 49 public:
49 static const int kDefaultStartBitrateKbps = 300; 50 static const int kDefaultStartBitratebps = 300000;
50 51
51 static BitrateController* CreateBitrateController(Clock* clock, 52 static BitrateController* CreateBitrateController(Clock* clock,
52 BitrateObserver* observer); 53 BitrateObserver* observer,
54 PacedSender* pacer);
53 virtual ~BitrateController() {} 55 virtual ~BitrateController() {}
54 56
55 virtual RtcpBandwidthObserver* CreateRtcpBandwidthObserver() = 0; 57 virtual RtcpBandwidthObserver* CreateRtcpBandwidthObserver() = 0;
56 58
57 virtual void SetStartBitrate(int start_bitrate_bps) = 0; 59 virtual void SetStartBitrate(int start_bitrate_bps) = 0;
58 virtual void SetMinMaxBitrate(int min_bitrate_bps, int max_bitrate_bps) = 0; 60 virtual void SetMinMaxBitrate(int min_bitrate_bps, int max_bitrate_bps) = 0;
59 61
60 virtual void UpdateDelayBasedEstimate(uint32_t bitrate_bps) = 0; 62 virtual void UpdateDelayBasedEstimate(uint32_t bitrate_bps) = 0;
61 63
62 virtual void SetEventLog(RtcEventLog* event_log) = 0; 64 virtual void SetEventLog(RtcEventLog* event_log) = 0;
63 65
64 // Gets the available payload bandwidth in bits per second. Note that 66 // Gets the available payload bandwidth in bits per second. Note that
65 // this bandwidth excludes packet headers. 67 // this bandwidth excludes packet headers.
66 virtual bool AvailableBandwidth(uint32_t* bandwidth) const = 0; 68 virtual bool AvailableBandwidth(uint32_t* bandwidth) const = 0;
67 69
68 virtual void SetReservedBitrate(uint32_t reserved_bitrate_bps) = 0; 70 virtual void SetReservedBitrate(uint32_t reserved_bitrate_bps) = 0;
69 }; 71 };
70 } // namespace webrtc 72 } // namespace webrtc
71 #endif // WEBRTC_MODULES_BITRATE_CONTROLLER_INCLUDE_BITRATE_CONTROLLER_H_ 73 #endif // WEBRTC_MODULES_BITRATE_CONTROLLER_INCLUDE_BITRATE_CONTROLLER_H_
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