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1 /* | |
2 * Copyright 2016 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 | |
11 #import "RTCRtpReceiver+Private.h" | |
12 | |
13 #import "NSString+StdString.h" | |
14 #import "RTCMediaStreamTrack+Private.h" | |
15 #import "RTCRtpParameters+Private.h" | |
16 #import "WebRTC/RTCLogging.h" | |
17 | |
18 #include "webrtc/api/mediastreaminterface.h" | |
19 | |
20 namespace webrtc { | |
21 | |
22 RtpReceiverDelegateAdapter::RtpReceiverDelegateAdapter( | |
23 RTCRtpReceiver *receiver) { | |
24 RTC_CHECK(receiver); | |
25 receiver_ = receiver; | |
26 } | |
27 | |
28 void RtpReceiverDelegateAdapter::OnFirstPacketReceived( | |
29 cricket::MediaType media_type) { | |
30 RTCRtpMediaType packet_media_type = | |
31 [RTCRtpReceiver mediaTypeForNativeMediaType:media_type]; | |
32 RTCRtpReceiver *receiver = receiver_; | |
33 [receiver.delegate rtpReceiver:receiver didReceiveFirstPacketForMediaType:pack
et_media_type]; | |
34 } | |
35 | |
36 } // namespace webrtc | |
37 | |
38 @implementation RTCRtpReceiver { | |
39 rtc::scoped_refptr<webrtc::RtpReceiverInterface> _nativeRtpReceiver; | |
40 std::unique_ptr<webrtc::RtpReceiverDelegateAdapter> _observer; | |
41 } | |
42 | |
43 @synthesize delegate = _delegate; | |
44 | |
45 - (NSString *)receiverId { | |
46 return [NSString stringForStdString:_nativeRtpReceiver->id()]; | |
47 } | |
48 | |
49 - (RTCRtpParameters *)parameters { | |
50 return [[RTCRtpParameters alloc] | |
51 initWithNativeParameters:_nativeRtpReceiver->GetParameters()]; | |
52 } | |
53 | |
54 - (void)setParameters:(RTCRtpParameters *)parameters { | |
55 if (!_nativeRtpReceiver->SetParameters(parameters.nativeParameters)) { | |
56 RTCLogError(@"RTCRtpReceiver(%p): Failed to set parameters: %@", self, | |
57 parameters); | |
58 } | |
59 } | |
60 | |
61 - (RTCMediaStreamTrack *)track { | |
62 rtc::scoped_refptr<webrtc::MediaStreamTrackInterface> nativeTrack( | |
63 _nativeRtpReceiver->track()); | |
64 if (nativeTrack) { | |
65 return [[RTCMediaStreamTrack alloc] initWithNativeTrack:nativeTrack]; | |
66 } | |
67 return nil; | |
68 } | |
69 | |
70 - (NSString *)description { | |
71 return [NSString stringWithFormat:@"RTCRtpReceiver {\n receiverId: %@\n}", | |
72 self.receiverId]; | |
73 } | |
74 | |
75 - (BOOL)isEqual:(id)object { | |
76 if (self == object) { | |
77 return YES; | |
78 } | |
79 if (object == nil) { | |
80 return NO; | |
81 } | |
82 if (![object isMemberOfClass:[self class]]) { | |
83 return NO; | |
84 } | |
85 RTCRtpReceiver *receiver = (RTCRtpReceiver *)object; | |
86 return _nativeRtpReceiver == receiver.nativeRtpReceiver; | |
87 } | |
88 | |
89 - (NSUInteger)hash { | |
90 return (NSUInteger)_nativeRtpReceiver.get(); | |
91 } | |
92 | |
93 #pragma mark - Private | |
94 | |
95 - (rtc::scoped_refptr<webrtc::RtpReceiverInterface>)nativeRtpReceiver { | |
96 return _nativeRtpReceiver; | |
97 } | |
98 | |
99 - (instancetype)initWithNativeRtpReceiver: | |
100 (rtc::scoped_refptr<webrtc::RtpReceiverInterface>)nativeRtpReceiver { | |
101 if (self = [super init]) { | |
102 _nativeRtpReceiver = nativeRtpReceiver; | |
103 RTCLogInfo( | |
104 @"RTCRtpReceiver(%p): created receiver: %@", self, self.description); | |
105 _observer.reset(new webrtc::RtpReceiverDelegateAdapter(self)); | |
106 _nativeRtpReceiver->SetObserver(_observer.get()); | |
107 } | |
108 return self; | |
109 } | |
110 | |
111 + (RTCRtpMediaType)mediaTypeForNativeMediaType: | |
112 (cricket::MediaType)nativeMediaType { | |
113 switch (nativeMediaType) { | |
114 case cricket::MEDIA_TYPE_AUDIO: | |
115 return RTCRtpMediaTypeAudio; | |
116 case cricket::MEDIA_TYPE_VIDEO: | |
117 return RTCRtpMediaTypeVideo; | |
118 case cricket::MEDIA_TYPE_DATA: | |
119 return RTCRtpMediaTypeData; | |
120 } | |
121 } | |
122 | |
123 @end | |
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