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1 /* | |
2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. | |
3 * | |
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 | |
6 * tree. An additional intellectual property rights grant can be found | |
7 * in the file PATENTS. All contributing project authors may | |
8 * be found in the AUTHORS file in the root of the source tree. | |
9 */ | |
10 #ifndef WEBRTC_STREAM_H_ | |
11 #define WEBRTC_STREAM_H_ | |
12 | |
13 #include "webrtc/common_types.h" | |
14 | |
15 namespace webrtc { | |
16 | |
17 enum NetworkState { | |
18 kNetworkUp, | |
19 kNetworkDown, | |
20 }; | |
21 | |
22 // Common base class for streams. | |
23 class Stream { | |
24 public: | |
25 // Starts stream activity. | |
26 // When a stream is active, it can receive, process and deliver samples. | |
pbos-webrtc
2015/07/15 13:06:53
s/samples/packets/
Jelena
2015/07/15 14:21:45
Done.
| |
27 virtual void Start() = 0; | |
28 // Stops stream activity. | |
29 // When a stream is stopped, it can't receive, process or deliver samples. | |
30 virtual void Stop() = 0; | |
31 // Called to notify that network state has changed. | |
pbos-webrtc
2015/07/15 13:06:53
Used to stop encoding and sending data while the n
| |
32 virtual void SignalNetworkState(NetworkState state) = 0; | |
33 // Called when a RTCP packet is received. | |
34 virtual bool DeliverRtcp(const uint8_t* packet, size_t length) = 0; | |
35 | |
36 protected: | |
37 virtual ~Stream() {} | |
38 }; | |
39 | |
40 // Common base class for receive streams. | |
41 class ReceiveStream : public Stream { | |
42 public: | |
43 // Called when a RTP packet is received. | |
44 virtual bool DeliverRtp(const uint8_t* packet, size_t length) = 0; | |
45 }; | |
46 | |
47 // Common base class for send streams. | |
48 // A tag class that represents send stream concept and serves as a placeholder | |
49 // for future functionality. | |
pbos-webrtc
2015/07/15 13:06:53
Remove the "serves as a placeholder..", we don't a
Jelena
2015/07/15 14:21:45
I agree that at a first glance, having an empty cl
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50 class SendStream : public Stream {}; | |
51 | |
52 } // namespace webrtc | |
53 | |
54 #endif // WEBRTC_STREAM_H_ | |
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