1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
/*
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef CALL_RTP_TRANSPORT_CONTROLLER_SEND_H_
#define CALL_RTP_TRANSPORT_CONTROLLER_SEND_H_
#include <map>
#include <memory>
#include <string>
#include <vector>
#include "api/transport/network_control.h"
#include "call/payload_router.h"
#include "call/rtp_bitrate_configurator.h"
#include "call/rtp_transport_controller_send_interface.h"
#include "common_types.h" // NOLINT(build/include)
#include "modules/congestion_controller/include/send_side_congestion_controller_interface.h"
#include "modules/pacing/packet_router.h"
#include "modules/utility/include/process_thread.h"
#include "rtc_base/constructormagic.h"
#include "rtc_base/networkroute.h"
#include "rtc_base/task_queue.h"
namespace webrtc {
class Clock;
class RtcEventLog;
// TODO(nisse): When we get the underlying transports here, we should
// have one object implementing RtpTransportControllerSendInterface
// per transport, sharing the same congestion controller.
class RtpTransportControllerSend final
: public RtpTransportControllerSendInterface,
public NetworkChangedObserver {
public:
RtpTransportControllerSend(
Clock* clock,
RtcEventLog* event_log,
NetworkControllerFactoryInterface* controller_factory,
const BitrateConstraints& bitrate_config);
~RtpTransportControllerSend() override;
VideoRtpSenderInterface* CreateVideoRtpSender(
const std::vector<uint32_t>& ssrcs,
std::map<uint32_t, RtpState> suspended_ssrcs,
const std::map<uint32_t, RtpPayloadState>&
states, // move states into RtpTransportControllerSend
const RtpConfig& rtp_config,
const RtcpConfig& rtcp_config,
Transport* send_transport,
const RtpSenderObservers& observers,
RtcEventLog* event_log) override;
void DestroyVideoRtpSender(
VideoRtpSenderInterface* rtp_video_sender) override;
// Implements NetworkChangedObserver interface.
void OnNetworkChanged(uint32_t bitrate_bps,
uint8_t fraction_loss,
int64_t rtt_ms,
int64_t probing_interval_ms) override;
// Implements RtpTransportControllerSendInterface
rtc::TaskQueue* GetWorkerQueue() override;
PacketRouter* packet_router() override;
TransportFeedbackObserver* transport_feedback_observer() override;
RtpPacketSender* packet_sender() override;
const RtpKeepAliveConfig& keepalive_config() const override;
void SetAllocatedSendBitrateLimits(int min_send_bitrate_bps,
int max_padding_bitrate_bps,
int max_total_bitrate_bps) override;
void SetKeepAliveConfig(const RtpKeepAliveConfig& config);
void SetPacingFactor(float pacing_factor) override;
void SetQueueTimeLimit(int limit_ms) override;
CallStatsObserver* GetCallStatsObserver() override;
void RegisterPacketFeedbackObserver(
PacketFeedbackObserver* observer) override;
void DeRegisterPacketFeedbackObserver(
PacketFeedbackObserver* observer) override;
void RegisterTargetTransferRateObserver(
TargetTransferRateObserver* observer) override;
void OnNetworkRouteChanged(const std::string& transport_name,
const rtc::NetworkRoute& network_route) override;
void OnNetworkAvailability(bool network_available) override;
RtcpBandwidthObserver* GetBandwidthObserver() override;
int64_t GetPacerQueuingDelayMs() const override;
int64_t GetFirstPacketTimeMs() const override;
void SetPerPacketFeedbackAvailable(bool available) override;
void EnablePeriodicAlrProbing(bool enable) override;
void OnSentPacket(const rtc::SentPacket& sent_packet) override;
void SetSdpBitrateParameters(const BitrateConstraints& constraints) override;
void SetClientBitratePreferences(const BitrateSettings& preferences) override;
void SetAllocatedBitrateWithoutFeedback(uint32_t bitrate_bps) override;
private:
const Clock* const clock_;
PacketRouter packet_router_;
std::vector<std::unique_ptr<VideoRtpSenderInterface>> video_rtp_senders_;
PacedSender pacer_;
RtpKeepAliveConfig keepalive_;
RtpBitrateConfigurator bitrate_configurator_;
std::map<std::string, rtc::NetworkRoute> network_routes_;
const std::unique_ptr<ProcessThread> process_thread_;
rtc::CriticalSection observer_crit_;
TargetTransferRateObserver* observer_ RTC_GUARDED_BY(observer_crit_);
std::unique_ptr<SendSideCongestionControllerInterface> send_side_cc_;
RateLimiter retransmission_rate_limiter_;
// TODO(perkj): |task_queue_| is supposed to replace |process_thread_|.
// |task_queue_| is defined last to ensure all pending tasks are cancelled
// and deleted before any other members.
rtc::TaskQueue task_queue_;
RTC_DISALLOW_COPY_AND_ASSIGN(RtpTransportControllerSend);
};
} // namespace webrtc
#endif // CALL_RTP_TRANSPORT_CONTROLLER_SEND_H_
|
