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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 "RTCVideoTrack+Private.h" | |
| 12 | |
| 13 #import "NSString+StdString.h" | |
| 14 #import "RTCMediaStreamTrack+Private.h" | |
| 15 #import "RTCPeerConnectionFactory+Private.h" | |
| 16 #import "RTCVideoRendererAdapter+Private.h" | |
| 17 #import "RTCVideoSource+Private.h" | |
| 18 | |
| 19 @implementation RTCVideoTrack { | |
| 20 NSMutableArray *_adapters; | |
| 21 } | |
| 22 | |
| 23 @synthesize source = _source; | |
| 24 | |
| 25 - (instancetype)initWithFactory:(RTCPeerConnectionFactory *)factory | |
| 26 source:(RTCVideoSource *)source | |
| 27 trackId:(NSString *)trackId { | |
| 28 NSParameterAssert(factory); | |
| 29 NSParameterAssert(source); | |
| 30 NSParameterAssert(trackId.length); | |
| 31 std::string nativeId = [NSString stdStringForString:trackId]; | |
| 32 rtc::scoped_refptr<webrtc::VideoTrackInterface> track = | |
| 33 factory.nativeFactory->CreateVideoTrack(nativeId, | |
| 34 source.nativeVideoSource); | |
| 35 if ([self initWithNativeTrack:track type:RTCMediaStreamTrackTypeVideo]) { | |
| 36 _source = source; | |
| 37 } | |
| 38 return self; | |
| 39 } | |
| 40 | |
| 41 - (instancetype)initWithNativeTrack: | |
| 42 (rtc::scoped_refptr<webrtc::MediaStreamTrackInterface>)nativeMediaTrack | |
| 43 type:(RTCMediaStreamTrackType)type { | |
| 44 NSParameterAssert(nativeMediaTrack); | |
| 45 NSParameterAssert(type == RTCMediaStreamTrackTypeVideo); | |
| 46 if (self = [super initWithNativeTrack:nativeMediaTrack type:type]) { | |
| 47 _adapters = [NSMutableArray array]; | |
| 48 } | |
| 49 return self; | |
| 50 } | |
| 51 | |
| 52 - (void)dealloc { | |
| 53 for (RTCVideoRendererAdapter *adapter in _adapters) { | |
| 54 self.nativeVideoTrack->RemoveSink(adapter.nativeVideoRenderer); | |
| 55 } | |
| 56 } | |
| 57 | |
| 58 - (RTCVideoSource *)source { | |
| 59 if (!_source) { | |
| 60 rtc::scoped_refptr<webrtc::VideoTrackSourceInterface> source = | |
| 61 self.nativeVideoTrack->GetSource(); | |
| 62 if (source) { | |
| 63 _source = [[RTCVideoSource alloc] initWithNativeVideoSource:source.get()]; | |
| 64 } | |
| 65 } | |
| 66 return _source; | |
| 67 } | |
| 68 | |
| 69 - (void)addRenderer:(id<RTCVideoRenderer>)renderer { | |
| 70 // Make sure we don't have this renderer yet. | |
| 71 for (RTCVideoRendererAdapter *adapter in _adapters) { | |
| 72 if (adapter.videoRenderer == renderer) { | |
| 73 NSAssert(NO, @"|renderer| is already attached to this track"); | |
| 74 return; | |
| 75 } | |
| 76 } | |
| 77 // Create a wrapper that provides a native pointer for us. | |
| 78 RTCVideoRendererAdapter* adapter = | |
| 79 [[RTCVideoRendererAdapter alloc] initWithNativeRenderer:renderer]; | |
| 80 [_adapters addObject:adapter]; | |
| 81 self.nativeVideoTrack->AddOrUpdateSink(adapter.nativeVideoRenderer, | |
| 82 rtc::VideoSinkWants()); | |
| 83 } | |
| 84 | |
| 85 - (void)removeRenderer:(id<RTCVideoRenderer>)renderer { | |
| 86 __block NSUInteger indexToRemove = NSNotFound; | |
| 87 [_adapters enumerateObjectsUsingBlock:^(RTCVideoRendererAdapter *adapter, | |
| 88 NSUInteger idx, | |
| 89 BOOL *stop) { | |
| 90 if (adapter.videoRenderer == renderer) { | |
| 91 indexToRemove = idx; | |
| 92 *stop = YES; | |
| 93 } | |
| 94 }]; | |
| 95 if (indexToRemove == NSNotFound) { | |
| 96 return; | |
| 97 } | |
| 98 RTCVideoRendererAdapter *adapterToRemove = | |
| 99 [_adapters objectAtIndex:indexToRemove]; | |
| 100 self.nativeVideoTrack->RemoveSink(adapterToRemove.nativeVideoRenderer); | |
| 101 [_adapters removeObjectAtIndex:indexToRemove]; | |
| 102 } | |
| 103 | |
| 104 #pragma mark - Private | |
| 105 | |
| 106 - (rtc::scoped_refptr<webrtc::VideoTrackInterface>)nativeVideoTrack { | |
| 107 return static_cast<webrtc::VideoTrackInterface *>(self.nativeTrack.get()); | |
| 108 } | |
| 109 | |
| 110 @end | |
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Chromium Code Reviews
Issue 2862543002:
Split iOS sdk in to separate targets (Closed)
