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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // This file contains the interface to the cast RTP sender. | 5 // This file contains the interface to the cast RTP sender. |
6 | 6 |
7 #ifndef MEDIA_CAST_TRANSPORT_RTP_SENDER_RTP_SENDER_H_ | 7 #ifndef MEDIA_CAST_TRANSPORT_RTP_SENDER_RTP_SENDER_H_ |
8 #define MEDIA_CAST_TRANSPORT_RTP_SENDER_RTP_SENDER_H_ | 8 #define MEDIA_CAST_TRANSPORT_RTP_SENDER_RTP_SENDER_H_ |
9 | 9 |
10 #include <map> | 10 #include <map> |
11 #include <set> | 11 #include <set> |
12 | 12 |
13 #include "base/memory/scoped_ptr.h" | 13 #include "base/memory/scoped_ptr.h" |
14 #include "base/time/tick_clock.h" | 14 #include "base/time/tick_clock.h" |
15 #include "base/time/time.h" | 15 #include "base/time/time.h" |
16 #include "base/memory/weak_ptr.h" | 16 #include "base/memory/weak_ptr.h" |
17 #include "media/cast/cast_config.h" | 17 #include "media/cast/cast_config.h" |
18 #include "media/cast/cast_environment.h" | 18 #include "media/cast/cast_environment.h" |
19 #include "media/cast/transport/cast_transport_defines.h" | 19 #include "media/cast/transport/cast_transport_defines.h" |
20 #include "media/cast/transport/cast_transport_sender.h" | 20 #include "media/cast/transport/cast_transport_sender.h" |
21 #include "media/cast/transport/pacing/paced_sender.h" | 21 #include "media/cast/transport/pacing/paced_sender.h" |
22 #include "media/cast/transport/rtp_sender/packet_storage/packet_storage.h" | 22 #include "media/cast/transport/rtp_sender/packet_storage/packet_storage.h" |
23 #include "media/cast/transport/rtp_sender/rtp_packetizer/rtp_packetizer.h" | 23 #include "media/cast/transport/rtp_sender/rtp_packetizer/rtp_packetizer.h" |
24 | 24 |
25 namespace media { | 25 namespace media { |
26 namespace cast { | 26 namespace cast { |
27 | 27 |
28 class LoggingImpl; | |
29 | |
30 namespace transport { | 28 namespace transport { |
31 | 29 |
32 // This object is only called from the main cast thread. | 30 // This object is only called from the main cast thread. |
33 // This class handles splitting encoded audio and video frames into packets and | 31 // This class handles splitting encoded audio and video frames into packets and |
34 // add an RTP header to each packet. The sent packets are stored until they are | 32 // add an RTP header to each packet. The sent packets are stored until they are |
35 // acknowledged by the remote peer or timed out. | 33 // acknowledged by the remote peer or timed out. |
36 class RtpSender { | 34 class RtpSender { |
37 public: | 35 public: |
38 RtpSender( | 36 RtpSender( |
39 base::TickClock* clock, | 37 base::TickClock* clock, |
40 LoggingImpl* logging, | |
41 const scoped_refptr<base::SingleThreadTaskRunner>& transport_task_runner, | 38 const scoped_refptr<base::SingleThreadTaskRunner>& transport_task_runner, |
42 PacedSender* const transport); | 39 PacedSender* const transport); |
43 | 40 |
44 ~RtpSender(); | 41 ~RtpSender(); |
45 | 42 |
46 // Initialize audio stack. Audio must be initialized prior to sending encoded | 43 // Initialize audio stack. Audio must be initialized prior to sending encoded |
47 // audio frames. | 44 // audio frames. |
48 void InitializeAudio(const CastTransportAudioConfig& config); | 45 void InitializeAudio(const CastTransportAudioConfig& config); |
49 | 46 |
50 // Initialize video stack. Video must be initialized prior to sending encoded | 47 // Initialize video stack. Video must be initialized prior to sending encoded |
(...skipping 14 matching lines...) Expand all Loading... |
65 // this function would start a timer that would schedule the callback in | 62 // this function would start a timer that would schedule the callback in |
66 // a constant interval. | 63 // a constant interval. |
67 void SubscribeRtpStatsCallback(const CastTransportRtpStatistics& callback); | 64 void SubscribeRtpStatsCallback(const CastTransportRtpStatistics& callback); |
68 | 65 |
69 private: | 66 private: |
70 void ScheduleNextStatsReport(); | 67 void ScheduleNextStatsReport(); |
71 void RtpStatistics(); | 68 void RtpStatistics(); |
72 void UpdateSequenceNumber(Packet* packet); | 69 void UpdateSequenceNumber(Packet* packet); |
73 | 70 |
74 base::TickClock* clock_; // Not owned by this class. | 71 base::TickClock* clock_; // Not owned by this class. |
75 LoggingImpl* logging_; // Not owned by this class. | |
76 RtpPacketizerConfig config_; | 72 RtpPacketizerConfig config_; |
77 scoped_ptr<RtpPacketizer> packetizer_; | 73 scoped_ptr<RtpPacketizer> packetizer_; |
78 scoped_ptr<PacketStorage> storage_; | 74 scoped_ptr<PacketStorage> storage_; |
79 PacedSender* const transport_; | 75 PacedSender* const transport_; |
80 CastTransportRtpStatistics stats_callback_; | 76 CastTransportRtpStatistics stats_callback_; |
81 scoped_refptr<base::SingleThreadTaskRunner> transport_task_runner_; | 77 scoped_refptr<base::SingleThreadTaskRunner> transport_task_runner_; |
82 | 78 |
83 // NOTE: Weak pointers must be invalidated before all other member variables. | 79 // NOTE: Weak pointers must be invalidated before all other member variables. |
84 base::WeakPtrFactory<RtpSender> weak_factory_; | 80 base::WeakPtrFactory<RtpSender> weak_factory_; |
85 | 81 |
86 DISALLOW_COPY_AND_ASSIGN(RtpSender); | 82 DISALLOW_COPY_AND_ASSIGN(RtpSender); |
87 }; | 83 }; |
88 | 84 |
89 } // namespace transport | 85 } // namespace transport |
90 } // namespace cast | 86 } // namespace cast |
91 } // namespace media | 87 } // namespace media |
92 | 88 |
93 #endif // MEDIA_CAST_TRANSPORT_RTP_SENDER_RTP_SENDER_H_ | 89 #endif // MEDIA_CAST_TRANSPORT_RTP_SENDER_RTP_SENDER_H_ |
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