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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 is the main interface for the cast transport sender. It accepts encoded | 5 // This is the main interface for the cast transport sender. It accepts encoded |
6 // frames (both audio and video), encrypts their encoded data, packetizes them | 6 // frames (both audio and video), encrypts their encoded data, packetizes them |
7 // and feeds them into a transport (e.g., UDP). | 7 // and feeds them into a transport (e.g., UDP). |
8 | 8 |
9 // Construction of the Cast Sender and the Cast Transport Sender should be done | 9 // Construction of the Cast Sender and the Cast Transport Sender should be done |
10 // in the following order: | 10 // in the following order: |
11 // 1. Create CastTransportSender. | 11 // 1. Create CastTransportSender. |
12 // 2. Create CastSender (accepts CastTransportSender as an input). | 12 // 2. Create CastSender (accepts CastTransportSender as an input). |
13 // 3. Call CastTransportSender::SetPacketReceiver to ensure that the packets | 13 // 3. Call CastTransportSender::SetPacketReceiver to ensure that the packets |
14 // received by the CastTransportSender will be sent to the CastSender. | 14 // received by the CastTransportSender will be sent to the CastSender. |
15 // Steps 3 can be done interchangeably. | 15 // Steps 3 can be done interchangeably. |
16 | 16 |
17 // Destruction: The CastTransportSender is assumed to be valid as long as the | 17 // Destruction: The CastTransportSender is assumed to be valid as long as the |
18 // CastSender is alive. Therefore the CastSender should be destructed before the | 18 // CastSender is alive. Therefore the CastSender should be destructed before the |
19 // CastTransportSender. | 19 // CastTransportSender. |
20 // This also works when the CastSender acts as a receiver for the RTCP packets | 20 // This also works when the CastSender acts as a receiver for the RTCP packets |
21 // due to the weak pointers in the ReceivedPacket method in cast_sender_impl.cc. | 21 // due to the weak pointers in the ReceivedPacket method in cast_sender_impl.cc. |
22 | 22 |
23 #ifndef MEDIA_CAST_TRANSPORT_CAST_TRANSPORT_SENDER_H_ | 23 #ifndef MEDIA_CAST_NET_CAST_TRANSPORT_SENDER_H_ |
24 #define MEDIA_CAST_TRANSPORT_CAST_TRANSPORT_SENDER_H_ | 24 #define MEDIA_CAST_NET_CAST_TRANSPORT_SENDER_H_ |
25 | 25 |
26 #include "base/basictypes.h" | 26 #include "base/basictypes.h" |
27 #include "base/callback.h" | 27 #include "base/callback.h" |
28 #include "base/single_thread_task_runner.h" | 28 #include "base/single_thread_task_runner.h" |
29 #include "base/threading/non_thread_safe.h" | 29 #include "base/threading/non_thread_safe.h" |
30 #include "base/time/tick_clock.h" | 30 #include "base/time/tick_clock.h" |
31 #include "media/cast/logging/logging_defines.h" | 31 #include "media/cast/logging/logging_defines.h" |
32 #include "media/cast/transport/cast_transport_config.h" | 32 #include "media/cast/net/cast_transport_config.h" |
33 #include "media/cast/transport/cast_transport_defines.h" | 33 #include "media/cast/net/cast_transport_defines.h" |
| 34 #include "net/base/ip_endpoint.h" |
34 | 35 |
35 namespace net { | 36 namespace net { |
36 class NetLog; | 37 class NetLog; |
37 } // namespace net | 38 } // namespace net |
38 | 39 |
39 namespace media { | 40 namespace media { |
40 namespace cast { | 41 namespace cast { |
41 namespace transport { | |
42 | 42 |
43 // Following the initialization of either audio or video an initialization | 43 // Following the initialization of either audio or video an initialization |
44 // status will be sent via this callback. | 44 // status will be sent via this callback. |
45 typedef base::Callback<void(CastTransportStatus status)> | 45 typedef base::Callback<void(CastTransportStatus status)> |
46 CastTransportStatusCallback; | 46 CastTransportStatusCallback; |
47 | 47 |
48 typedef base::Callback<void(const std::vector<PacketEvent>&)> | 48 typedef base::Callback<void(const std::vector<PacketEvent>&)> |
49 BulkRawEventsCallback; | 49 BulkRawEventsCallback; |
50 | 50 |
51 // The application should only trigger this class from the transport thread. | 51 // The application should only trigger this class from the transport thread. |
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98 // |missing_packets|. If the requested packet(s) were sent recently | 98 // |missing_packets|. If the requested packet(s) were sent recently |
99 // (how long is specified by |dedupe_window|) then this re-transmit | 99 // (how long is specified by |dedupe_window|) then this re-transmit |
100 // will be ignored. | 100 // will be ignored. |
101 virtual void ResendPackets( | 101 virtual void ResendPackets( |
102 bool is_audio, | 102 bool is_audio, |
103 const MissingFramesAndPacketsMap& missing_packets, | 103 const MissingFramesAndPacketsMap& missing_packets, |
104 bool cancel_rtx_if_not_in_list, | 104 bool cancel_rtx_if_not_in_list, |
105 base::TimeDelta dedupe_window) = 0; | 105 base::TimeDelta dedupe_window) = 0; |
106 }; | 106 }; |
107 | 107 |
108 } // namespace transport | |
109 } // namespace cast | 108 } // namespace cast |
110 } // namespace media | 109 } // namespace media |
111 | 110 |
112 #endif // MEDIA_CAST_TRANSPORT_CAST_TRANSPORT_SENDER_H_ | 111 #endif // MEDIA_CAST_NET_CAST_TRANSPORT_SENDER_H_ |
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