OLD | NEW |
1 /* | 1 /* |
2 * Copyright 2015 The WebRTC project authors. All Rights Reserved. | 2 * Copyright 2015 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 | 10 |
11 // This file contains interfaces for RtpReceivers | 11 // This file contains interfaces for RtpReceivers |
12 // http://w3c.github.io/webrtc-pc/#rtcrtpreceiver-interface | 12 // http://w3c.github.io/webrtc-pc/#rtcrtpreceiver-interface |
13 | 13 |
14 #ifndef WEBRTC_API_RTPRECEIVERINTERFACE_H_ | 14 #ifndef WEBRTC_API_RTPRECEIVERINTERFACE_H_ |
15 #define WEBRTC_API_RTPRECEIVERINTERFACE_H_ | 15 #define WEBRTC_API_RTPRECEIVERINTERFACE_H_ |
16 | 16 |
17 #include <string> | 17 #include <string> |
18 | 18 |
19 #include "webrtc/api/mediastreaminterface.h" | 19 #include "webrtc/api/mediastreaminterface.h" |
20 #include "webrtc/api/proxy.h" | 20 #include "webrtc/api/proxy.h" |
21 #include "webrtc/api/rtpparameters.h" | |
22 #include "webrtc/base/refcount.h" | 21 #include "webrtc/base/refcount.h" |
23 #include "webrtc/base/scoped_ref_ptr.h" | 22 #include "webrtc/base/scoped_ref_ptr.h" |
24 #include "webrtc/pc/mediasession.h" | 23 #include "webrtc/pc/mediasession.h" |
25 | 24 |
26 namespace webrtc { | 25 namespace webrtc { |
27 | 26 |
28 class RtpReceiverObserverInterface { | 27 class RtpReceiverObserverInterface { |
29 public: | 28 public: |
30 // Note: Currently if there are multiple RtpReceivers of the same media type, | |
31 // they will all call OnFirstPacketReceived at once. | |
32 // | |
33 // In the future, it's likely that an RtpReceiver will only call | |
34 // OnFirstPacketReceived when a packet is received specifically for its | |
35 // SSRC/mid. | |
36 virtual void OnFirstPacketReceived(cricket::MediaType media_type) = 0; | 29 virtual void OnFirstPacketReceived(cricket::MediaType media_type) = 0; |
37 | 30 |
38 protected: | 31 protected: |
39 virtual ~RtpReceiverObserverInterface() {} | 32 virtual ~RtpReceiverObserverInterface() {} |
40 }; | 33 }; |
41 | 34 |
42 class RtpReceiverInterface : public rtc::RefCountInterface { | 35 class RtpReceiverInterface : public rtc::RefCountInterface { |
43 public: | 36 public: |
44 virtual rtc::scoped_refptr<MediaStreamTrackInterface> track() const = 0; | 37 virtual rtc::scoped_refptr<MediaStreamTrackInterface> track() const = 0; |
45 | 38 |
46 // Audio or video receiver? | |
47 virtual cricket::MediaType media_type() const = 0; | |
48 | |
49 // Not to be confused with "mid", this is a field we can temporarily use | 39 // Not to be confused with "mid", this is a field we can temporarily use |
50 // to uniquely identify a receiver until we implement Unified Plan SDP. | 40 // to uniquely identify a receiver until we implement Unified Plan SDP. |
51 virtual std::string id() const = 0; | 41 virtual std::string id() const = 0; |
52 | 42 |
53 // The WebRTC specification only defines RTCRtpParameters in terms of senders, | 43 // The WebRTC specification only defines RTCRtpParameters in terms of senders, |
54 // but this API also applies them to receivers, similar to ORTC: | 44 // but this API also applies them to receivers, similar to ORTC: |
55 // http://ortc.org/wp-content/uploads/2016/03/ortc.html#rtcrtpparameters*. | 45 // http://ortc.org/wp-content/uploads/2016/03/ortc.html#rtcrtpparameters*. |
56 virtual RtpParameters GetParameters() const = 0; | 46 virtual RtpParameters GetParameters() const = 0; |
57 virtual bool SetParameters(const RtpParameters& parameters) = 0; | 47 virtual bool SetParameters(const RtpParameters& parameters) = 0; |
58 | 48 |
59 // Does not take ownership of observer. | |
60 // Must call SetObserver(nullptr) before the observer is destroyed. | |
61 virtual void SetObserver(RtpReceiverObserverInterface* observer) = 0; | 49 virtual void SetObserver(RtpReceiverObserverInterface* observer) = 0; |
62 | 50 |
| 51 virtual cricket::MediaType media_type() = 0; |
| 52 |
63 protected: | 53 protected: |
64 virtual ~RtpReceiverInterface() {} | 54 virtual ~RtpReceiverInterface() {} |
65 }; | 55 }; |
66 | 56 |
67 // Define proxy for RtpReceiverInterface. | 57 // Define proxy for RtpReceiverInterface. |
68 BEGIN_SIGNALING_PROXY_MAP(RtpReceiver) | 58 BEGIN_SIGNALING_PROXY_MAP(RtpReceiver) |
69 PROXY_CONSTMETHOD0(rtc::scoped_refptr<MediaStreamTrackInterface>, track) | 59 PROXY_CONSTMETHOD0(rtc::scoped_refptr<MediaStreamTrackInterface>, track) |
70 PROXY_CONSTMETHOD0(cricket::MediaType, media_type) | |
71 PROXY_CONSTMETHOD0(std::string, id) | 60 PROXY_CONSTMETHOD0(std::string, id) |
72 PROXY_CONSTMETHOD0(RtpParameters, GetParameters); | 61 PROXY_CONSTMETHOD0(RtpParameters, GetParameters); |
73 PROXY_METHOD1(bool, SetParameters, const RtpParameters&) | 62 PROXY_METHOD1(bool, SetParameters, const RtpParameters&) |
74 PROXY_METHOD1(void, SetObserver, RtpReceiverObserverInterface*); | 63 PROXY_METHOD1(void, SetObserver, RtpReceiverObserverInterface*); |
| 64 PROXY_METHOD0(cricket::MediaType, media_type); |
75 END_SIGNALING_PROXY() | 65 END_SIGNALING_PROXY() |
76 | 66 |
77 } // namespace webrtc | 67 } // namespace webrtc |
78 | 68 |
79 #endif // WEBRTC_API_RTPRECEIVERINTERFACE_H_ | 69 #endif // WEBRTC_API_RTPRECEIVERINTERFACE_H_ |
OLD | NEW |