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| 1 /* | |
| 2 * Copyright 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 | |
| 11 #import "RTCMediaStream.h" | |
| 12 | |
| 13 #include <vector> | |
| 14 | |
| 15 #import "webrtc/api/objc/RTCAudioTrack+Private.h" | |
| 16 #import "webrtc/api/objc/RTCMediaStream+Private.h" | |
| 17 #import "webrtc/api/objc/RTCMediaStreamTrack+Private.h" | |
| 18 #import "webrtc/api/objc/RTCPeerConnectionFactory+Private.h" | |
| 19 #import "webrtc/api/objc/RTCVideoTrack+Private.h" | |
| 20 #import "webrtc/base/objc/NSString+StdString.h" | |
| 21 | |
| 22 @implementation RTCMediaStream { | |
| 23 NSMutableArray *_audioTracks; | |
| 24 NSMutableArray *_videoTracks; | |
| 25 rtc::scoped_refptr<webrtc::MediaStreamInterface> _nativeMediaStream; | |
| 26 } | |
| 27 | |
| 28 - (instancetype)initWithFactory:(RTCPeerConnectionFactory *)factory | |
| 29 streamId:(NSString *)streamId { | |
| 30 NSParameterAssert(factory); | |
| 31 NSParameterAssert(streamId.length); | |
| 32 std::string nativeId = [NSString stdStringForString:streamId]; | |
| 33 rtc::scoped_refptr<webrtc::MediaStreamInterface> stream = | |
| 34 factory.nativeFactory->CreateLocalMediaStream(nativeId); | |
| 35 return [self initWithNativeMediaStream:stream]; | |
| 36 } | |
| 37 | |
| 38 - (NSArray<RTCAudioTrack *> *)audioTracks { | |
| 39 return [_audioTracks copy]; | |
| 40 } | |
| 41 | |
| 42 - (NSArray<RTCVideoTrack *> *)videoTracks { | |
| 43 return [_videoTracks copy]; | |
| 44 } | |
| 45 | |
| 46 - (NSString *)streamId { | |
| 47 return [NSString stringForStdString:_nativeMediaStream->label()]; | |
| 48 } | |
| 49 | |
| 50 - (void)addAudioTrack:(RTCAudioTrack *)audioTrack { | |
| 51 if (_nativeMediaStream->AddTrack(audioTrack.nativeAudioTrack)) { | |
| 52 [_audioTracks addObject:audioTrack]; | |
| 53 } | |
| 54 } | |
| 55 | |
| 56 - (void)addVideoTrack:(RTCVideoTrack *)videoTrack { | |
| 57 if (_nativeMediaStream->AddTrack(videoTrack.nativeVideoTrack)) { | |
| 58 [_videoTracks addObject:videoTrack]; | |
| 59 } | |
| 60 } | |
| 61 | |
| 62 - (void)removeAudioTrack:(RTCAudioTrack *)audioTrack { | |
| 63 NSUInteger index = [_audioTracks indexOfObjectIdenticalTo:audioTrack]; | |
| 64 NSAssert(index != NSNotFound, | |
| 65 @"|removeAudioTrack| called on unexpected RTCAudioTrack"); | |
| 66 if (index != NSNotFound && | |
| 67 _nativeMediaStream->RemoveTrack(audioTrack.nativeAudioTrack)) { | |
| 68 [_audioTracks removeObjectAtIndex:index]; | |
| 69 } | |
| 70 } | |
| 71 | |
| 72 - (void)removeVideoTrack:(RTCVideoTrack *)videoTrack { | |
| 73 NSUInteger index = [_videoTracks indexOfObjectIdenticalTo:videoTrack]; | |
| 74 NSAssert(index != NSNotFound, | |
| 75 @"|removeVideoTrack| called on unexpected RTCVideoTrack"); | |
| 76 if (index != NSNotFound && | |
| 77 _nativeMediaStream->RemoveTrack(videoTrack.nativeVideoTrack)) { | |
| 78 [_videoTracks removeObjectAtIndex:index]; | |
| 79 } | |
| 80 } | |
| 81 | |
| 82 - (NSString *)description { | |
| 83 return [NSString stringWithFormat:@"RTCMediaStream:\n%@\nA=%lu\nV=%lu", | |
| 84 self.streamId, | |
| 85 (unsigned long)self.audioTracks.count, | |
| 86 (unsigned long)self.videoTracks.count]; | |
| 87 } | |
| 88 | |
| 89 #pragma mark - Private | |
| 90 | |
| 91 - (rtc::scoped_refptr<webrtc::MediaStreamInterface>)nativeMediaStream { | |
| 92 return _nativeMediaStream; | |
| 93 } | |
| 94 | |
| 95 - (instancetype)initWithNativeMediaStream: | |
| 96 (rtc::scoped_refptr<webrtc::MediaStreamInterface>)nativeMediaStream { | |
| 97 NSParameterAssert(nativeMediaStream); | |
| 98 if (self = [super init]) { | |
| 99 webrtc::AudioTrackVector audioTracks = nativeMediaStream->GetAudioTracks(); | |
| 100 webrtc::VideoTrackVector videoTracks = nativeMediaStream->GetVideoTracks(); | |
| 101 | |
| 102 _audioTracks = [NSMutableArray arrayWithCapacity:audioTracks.size()]; | |
| 103 _videoTracks = [NSMutableArray arrayWithCapacity:videoTracks.size()]; | |
| 104 _nativeMediaStream = nativeMediaStream; | |
| 105 | |
| 106 for (auto &track : audioTracks) { | |
| 107 RTCMediaStreamTrackType type = RTCMediaStreamTrackTypeAudio; | |
| 108 RTCAudioTrack *audioTrack = | |
| 109 [[RTCAudioTrack alloc] initWithNativeTrack:track type:type]; | |
| 110 [_audioTracks addObject:audioTrack]; | |
| 111 } | |
| 112 | |
| 113 for (auto &track : videoTracks) { | |
| 114 RTCMediaStreamTrackType type = RTCMediaStreamTrackTypeVideo; | |
| 115 RTCVideoTrack *videoTrack = | |
| 116 [[RTCVideoTrack alloc] initWithNativeTrack:track type:type]; | |
| 117 [_videoTracks addObject:videoTrack]; | |
| 118 } | |
| 119 } | |
| 120 return self; | |
| 121 } | |
| 122 | |
| 123 @end | |
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Chromium Code Reviews
Issue 1903663002:
Build dynamic iOS SDK. (Closed)
Base URL: https://chromium.googlesource.com/external/webrtc.git@master