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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /third_party/libwebrtc/sdk/objc/api/peerconnection/RTCVideoTrack.mm | |
parent | Initial commit. (diff) | |
download | firefox-upstream.tar.xz firefox-upstream.zip |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/libwebrtc/sdk/objc/api/peerconnection/RTCVideoTrack.mm')
-rw-r--r-- | third_party/libwebrtc/sdk/objc/api/peerconnection/RTCVideoTrack.mm | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/third_party/libwebrtc/sdk/objc/api/peerconnection/RTCVideoTrack.mm b/third_party/libwebrtc/sdk/objc/api/peerconnection/RTCVideoTrack.mm new file mode 100644 index 0000000000..fb015c6207 --- /dev/null +++ b/third_party/libwebrtc/sdk/objc/api/peerconnection/RTCVideoTrack.mm @@ -0,0 +1,126 @@ +/* + * Copyright 2015 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#import "RTCVideoTrack+Private.h" + +#import "RTCMediaStreamTrack+Private.h" +#import "RTCPeerConnectionFactory+Private.h" +#import "RTCVideoSource+Private.h" +#import "api/RTCVideoRendererAdapter+Private.h" +#import "helpers/NSString+StdString.h" + +@implementation RTC_OBJC_TYPE (RTCVideoTrack) { + rtc::Thread *_workerThread; + NSMutableArray *_adapters /* accessed on _workerThread */; +} + +@synthesize source = _source; + +- (instancetype)initWithFactory:(RTC_OBJC_TYPE(RTCPeerConnectionFactory) *)factory + source:(RTC_OBJC_TYPE(RTCVideoSource) *)source + trackId:(NSString *)trackId { + NSParameterAssert(factory); + NSParameterAssert(source); + NSParameterAssert(trackId.length); + std::string nativeId = [NSString stdStringForString:trackId]; + rtc::scoped_refptr<webrtc::VideoTrackInterface> track = + factory.nativeFactory->CreateVideoTrack(nativeId, source.nativeVideoSource.get()); + if (self = [self initWithFactory:factory nativeTrack:track type:RTCMediaStreamTrackTypeVideo]) { + _source = source; + } + return self; +} + +- (instancetype)initWithFactory:(RTC_OBJC_TYPE(RTCPeerConnectionFactory) *)factory + nativeTrack: + (rtc::scoped_refptr<webrtc::MediaStreamTrackInterface>)nativeMediaTrack + type:(RTCMediaStreamTrackType)type { + NSParameterAssert(factory); + NSParameterAssert(nativeMediaTrack); + NSParameterAssert(type == RTCMediaStreamTrackTypeVideo); + if (self = [super initWithFactory:factory nativeTrack:nativeMediaTrack type:type]) { + _adapters = [NSMutableArray array]; + _workerThread = factory.workerThread; + } + return self; +} + +- (void)dealloc { + for (RTCVideoRendererAdapter *adapter in _adapters) { + self.nativeVideoTrack->RemoveSink(adapter.nativeVideoRenderer); + } +} + +- (RTC_OBJC_TYPE(RTCVideoSource) *)source { + if (!_source) { + rtc::scoped_refptr<webrtc::VideoTrackSourceInterface> source( + self.nativeVideoTrack->GetSource()); + if (source) { + _source = [[RTC_OBJC_TYPE(RTCVideoSource) alloc] initWithFactory:self.factory + nativeVideoSource:source]; + } + } + return _source; +} + +- (void)addRenderer:(id<RTC_OBJC_TYPE(RTCVideoRenderer)>)renderer { + if (!_workerThread->IsCurrent()) { + _workerThread->Invoke<void>(RTC_FROM_HERE, [renderer, self] { [self addRenderer:renderer]; }); + return; + } + + // Make sure we don't have this renderer yet. + for (RTCVideoRendererAdapter *adapter in _adapters) { + if (adapter.videoRenderer == renderer) { + RTC_LOG(LS_INFO) << "|renderer| is already attached to this track"; + return; + } + } + // Create a wrapper that provides a native pointer for us. + RTCVideoRendererAdapter* adapter = + [[RTCVideoRendererAdapter alloc] initWithNativeRenderer:renderer]; + [_adapters addObject:adapter]; + self.nativeVideoTrack->AddOrUpdateSink(adapter.nativeVideoRenderer, + rtc::VideoSinkWants()); +} + +- (void)removeRenderer:(id<RTC_OBJC_TYPE(RTCVideoRenderer)>)renderer { + if (!_workerThread->IsCurrent()) { + _workerThread->Invoke<void>(RTC_FROM_HERE, + [renderer, self] { [self removeRenderer:renderer]; }); + return; + } + __block NSUInteger indexToRemove = NSNotFound; + [_adapters enumerateObjectsUsingBlock:^(RTCVideoRendererAdapter *adapter, + NSUInteger idx, + BOOL *stop) { + if (adapter.videoRenderer == renderer) { + indexToRemove = idx; + *stop = YES; + } + }]; + if (indexToRemove == NSNotFound) { + RTC_LOG(LS_INFO) << "removeRenderer called with a renderer that has not been previously added"; + return; + } + RTCVideoRendererAdapter *adapterToRemove = + [_adapters objectAtIndex:indexToRemove]; + self.nativeVideoTrack->RemoveSink(adapterToRemove.nativeVideoRenderer); + [_adapters removeObjectAtIndex:indexToRemove]; +} + +#pragma mark - Private + +- (rtc::scoped_refptr<webrtc::VideoTrackInterface>)nativeVideoTrack { + return rtc::scoped_refptr<webrtc::VideoTrackInterface>( + static_cast<webrtc::VideoTrackInterface *>(self.nativeTrack.get())); +} + +@end |