| /* |
| * 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 "RTCPeerConnection+Private.h" |
| |
| #import "RTCConfiguration+Private.h" |
| #import "RTCDataChannel+Private.h" |
| #import "RTCIceCandidate+Private.h" |
| #import "RTCIceCandidateErrorEvent+Private.h" |
| #import "RTCLegacyStatsReport+Private.h" |
| #import "RTCMediaConstraints+Private.h" |
| #import "RTCMediaStream+Private.h" |
| #import "RTCMediaStreamTrack+Private.h" |
| #import "RTCPeerConnectionFactory+Private.h" |
| #import "RTCRtpReceiver+Private.h" |
| #import "RTCRtpSender+Private.h" |
| #import "RTCRtpTransceiver+Private.h" |
| #import "RTCSessionDescription+Private.h" |
| #import "base/RTCLogging.h" |
| #import "helpers/NSString+StdString.h" |
| |
| #include <memory> |
| |
| #include "api/jsep_ice_candidate.h" |
| #include "api/rtc_event_log_output_file.h" |
| #include "api/set_local_description_observer_interface.h" |
| #include "api/set_remote_description_observer_interface.h" |
| #include "rtc_base/checks.h" |
| #include "rtc_base/numerics/safe_conversions.h" |
| #include "sdk/objc/native/api/ssl_certificate_verifier.h" |
| |
| NSString *const kRTCPeerConnectionErrorDomain = @"org.webrtc.RTC_OBJC_TYPE(RTCPeerConnection)"; |
| int const kRTCPeerConnnectionSessionDescriptionError = -1; |
| |
| namespace { |
| |
| class SetSessionDescriptionObserver : public webrtc::SetLocalDescriptionObserverInterface, |
| public webrtc::SetRemoteDescriptionObserverInterface { |
| public: |
| SetSessionDescriptionObserver(RTCSetSessionDescriptionCompletionHandler completionHandler) { |
| completion_handler_ = completionHandler; |
| } |
| |
| virtual void OnSetLocalDescriptionComplete(webrtc::RTCError error) override { |
| OnCompelete(error); |
| } |
| |
| virtual void OnSetRemoteDescriptionComplete(webrtc::RTCError error) override { |
| OnCompelete(error); |
| } |
| |
| private: |
| void OnCompelete(webrtc::RTCError error) { |
| RTC_DCHECK(completion_handler_ != nil); |
| if (error.ok()) { |
| completion_handler_(nil); |
| } else { |
| // TODO(hta): Add handling of error.type() |
| NSString *str = [NSString stringForStdString:error.message()]; |
| NSError *err = [NSError errorWithDomain:kRTCPeerConnectionErrorDomain |
| code:kRTCPeerConnnectionSessionDescriptionError |
| userInfo:@{NSLocalizedDescriptionKey : str}]; |
| completion_handler_(err); |
| } |
| completion_handler_ = nil; |
| } |
| RTCSetSessionDescriptionCompletionHandler completion_handler_; |
| }; |
| |
| } // anonymous namespace |
| |
| namespace webrtc { |
| |
| class CreateSessionDescriptionObserverAdapter |
| : public CreateSessionDescriptionObserver { |
| public: |
| CreateSessionDescriptionObserverAdapter(void (^completionHandler)( |
| RTC_OBJC_TYPE(RTCSessionDescription) * sessionDescription, NSError *error)) { |
| completion_handler_ = completionHandler; |
| } |
| |
| ~CreateSessionDescriptionObserverAdapter() override { completion_handler_ = nil; } |
| |
| void OnSuccess(SessionDescriptionInterface *desc) override { |
| RTC_DCHECK(completion_handler_); |
| std::unique_ptr<webrtc::SessionDescriptionInterface> description = |
| std::unique_ptr<webrtc::SessionDescriptionInterface>(desc); |
| RTC_OBJC_TYPE(RTCSessionDescription) *session = |
| [[RTC_OBJC_TYPE(RTCSessionDescription) alloc] initWithNativeDescription:description.get()]; |
| completion_handler_(session, nil); |
| completion_handler_ = nil; |
| } |
| |
| void OnFailure(RTCError error) override { |
| RTC_DCHECK(completion_handler_); |
| // TODO(hta): Add handling of error.type() |
| NSString *str = [NSString stringForStdString:error.message()]; |
| NSError* err = |
| [NSError errorWithDomain:kRTCPeerConnectionErrorDomain |
| code:kRTCPeerConnnectionSessionDescriptionError |
| userInfo:@{ NSLocalizedDescriptionKey : str }]; |
| completion_handler_(nil, err); |
| completion_handler_ = nil; |
| } |
| |
| private: |
| void (^completion_handler_)(RTC_OBJC_TYPE(RTCSessionDescription) * sessionDescription, |
| NSError *error); |
| }; |
| |
| PeerConnectionDelegateAdapter::PeerConnectionDelegateAdapter(RTC_OBJC_TYPE(RTCPeerConnection) * |
| peerConnection) { |
| peer_connection_ = peerConnection; |
| } |
| |
| PeerConnectionDelegateAdapter::~PeerConnectionDelegateAdapter() { |
| peer_connection_ = nil; |
| } |
| |
| void PeerConnectionDelegateAdapter::OnSignalingChange( |
| PeerConnectionInterface::SignalingState new_state) { |
| RTCSignalingState state = |
| [[RTC_OBJC_TYPE(RTCPeerConnection) class] signalingStateForNativeState:new_state]; |
| RTC_OBJC_TYPE(RTCPeerConnection) *peer_connection = peer_connection_; |
| [peer_connection.delegate peerConnection:peer_connection |
| didChangeSignalingState:state]; |
| } |
| |
| void PeerConnectionDelegateAdapter::OnAddStream( |
| rtc::scoped_refptr<MediaStreamInterface> stream) { |
| RTC_OBJC_TYPE(RTCPeerConnection) *peer_connection = peer_connection_; |
| RTC_OBJC_TYPE(RTCMediaStream) *mediaStream = |
| [[RTC_OBJC_TYPE(RTCMediaStream) alloc] initWithFactory:peer_connection.factory |
| nativeMediaStream:stream]; |
| [peer_connection.delegate peerConnection:peer_connection |
| didAddStream:mediaStream]; |
| } |
| |
| void PeerConnectionDelegateAdapter::OnRemoveStream( |
| rtc::scoped_refptr<MediaStreamInterface> stream) { |
| RTC_OBJC_TYPE(RTCPeerConnection) *peer_connection = peer_connection_; |
| RTC_OBJC_TYPE(RTCMediaStream) *mediaStream = |
| [[RTC_OBJC_TYPE(RTCMediaStream) alloc] initWithFactory:peer_connection.factory |
| nativeMediaStream:stream]; |
| |
| [peer_connection.delegate peerConnection:peer_connection |
| didRemoveStream:mediaStream]; |
| } |
| |
| void PeerConnectionDelegateAdapter::OnTrack( |
| rtc::scoped_refptr<RtpTransceiverInterface> nativeTransceiver) { |
| RTC_OBJC_TYPE(RTCPeerConnection) *peer_connection = peer_connection_; |
| RTC_OBJC_TYPE(RTCRtpTransceiver) *transceiver = |
| [[RTC_OBJC_TYPE(RTCRtpTransceiver) alloc] initWithFactory:peer_connection.factory |
| nativeRtpTransceiver:nativeTransceiver]; |
| if ([peer_connection.delegate |
| respondsToSelector:@selector(peerConnection:didStartReceivingOnTransceiver:)]) { |
| [peer_connection.delegate peerConnection:peer_connection |
| didStartReceivingOnTransceiver:transceiver]; |
| } |
| } |
| |
| void PeerConnectionDelegateAdapter::OnDataChannel( |
| rtc::scoped_refptr<DataChannelInterface> data_channel) { |
| RTC_OBJC_TYPE(RTCPeerConnection) *peer_connection = peer_connection_; |
| RTC_OBJC_TYPE(RTCDataChannel) *dataChannel = |
| [[RTC_OBJC_TYPE(RTCDataChannel) alloc] initWithFactory:peer_connection.factory |
| nativeDataChannel:data_channel]; |
| [peer_connection.delegate peerConnection:peer_connection |
| didOpenDataChannel:dataChannel]; |
| } |
| |
| void PeerConnectionDelegateAdapter::OnRenegotiationNeeded() { |
| RTC_OBJC_TYPE(RTCPeerConnection) *peer_connection = peer_connection_; |
| [peer_connection.delegate peerConnectionShouldNegotiate:peer_connection]; |
| } |
| |
| void PeerConnectionDelegateAdapter::OnIceConnectionChange( |
| PeerConnectionInterface::IceConnectionState new_state) { |
| RTCIceConnectionState state = |
| [RTC_OBJC_TYPE(RTCPeerConnection) iceConnectionStateForNativeState:new_state]; |
| [peer_connection_.delegate peerConnection:peer_connection_ didChangeIceConnectionState:state]; |
| } |
| |
| void PeerConnectionDelegateAdapter::OnStandardizedIceConnectionChange( |
| PeerConnectionInterface::IceConnectionState new_state) { |
| if ([peer_connection_.delegate |
| respondsToSelector:@selector(peerConnection:didChangeStandardizedIceConnectionState:)]) { |
| RTCIceConnectionState state = |
| [RTC_OBJC_TYPE(RTCPeerConnection) iceConnectionStateForNativeState:new_state]; |
| [peer_connection_.delegate peerConnection:peer_connection_ |
| didChangeStandardizedIceConnectionState:state]; |
| } |
| } |
| |
| void PeerConnectionDelegateAdapter::OnConnectionChange( |
| PeerConnectionInterface::PeerConnectionState new_state) { |
| if ([peer_connection_.delegate |
| respondsToSelector:@selector(peerConnection:didChangeConnectionState:)]) { |
| RTCPeerConnectionState state = |
| [RTC_OBJC_TYPE(RTCPeerConnection) connectionStateForNativeState:new_state]; |
| [peer_connection_.delegate peerConnection:peer_connection_ didChangeConnectionState:state]; |
| } |
| } |
| |
| void PeerConnectionDelegateAdapter::OnIceGatheringChange( |
| PeerConnectionInterface::IceGatheringState new_state) { |
| RTCIceGatheringState state = |
| [[RTC_OBJC_TYPE(RTCPeerConnection) class] iceGatheringStateForNativeState:new_state]; |
| RTC_OBJC_TYPE(RTCPeerConnection) *peer_connection = peer_connection_; |
| [peer_connection.delegate peerConnection:peer_connection |
| didChangeIceGatheringState:state]; |
| } |
| |
| void PeerConnectionDelegateAdapter::OnIceCandidate( |
| const IceCandidateInterface *candidate) { |
| RTC_OBJC_TYPE(RTCIceCandidate) *iceCandidate = |
| [[RTC_OBJC_TYPE(RTCIceCandidate) alloc] initWithNativeCandidate:candidate]; |
| RTC_OBJC_TYPE(RTCPeerConnection) *peer_connection = peer_connection_; |
| [peer_connection.delegate peerConnection:peer_connection |
| didGenerateIceCandidate:iceCandidate]; |
| } |
| |
| void PeerConnectionDelegateAdapter::OnIceCandidateError(const std::string &address, |
| int port, |
| const std::string &url, |
| int error_code, |
| const std::string &error_text) { |
| RTC_OBJC_TYPE(RTCPeerConnection) *peer_connection = peer_connection_; |
| RTC_OBJC_TYPE(RTCIceCandidateErrorEvent) *event = |
| [[RTC_OBJC_TYPE(RTCIceCandidateErrorEvent) alloc] initWithAddress:address |
| port:port |
| url:url |
| errorCode:error_code |
| errorText:error_text]; |
| if ([peer_connection.delegate respondsToSelector:@selector(peerConnection: |
| didFailToGatherIceCandidate:)]) { |
| [peer_connection.delegate peerConnection:peer_connection didFailToGatherIceCandidate:event]; |
| } |
| } |
| |
| void PeerConnectionDelegateAdapter::OnIceCandidatesRemoved( |
| const std::vector<cricket::Candidate>& candidates) { |
| NSMutableArray* ice_candidates = |
| [NSMutableArray arrayWithCapacity:candidates.size()]; |
| for (const auto& candidate : candidates) { |
| std::unique_ptr<JsepIceCandidate> candidate_wrapper( |
| new JsepIceCandidate(candidate.transport_name(), -1, candidate)); |
| RTC_OBJC_TYPE(RTCIceCandidate) *ice_candidate = |
| [[RTC_OBJC_TYPE(RTCIceCandidate) alloc] initWithNativeCandidate:candidate_wrapper.get()]; |
| [ice_candidates addObject:ice_candidate]; |
| } |
| RTC_OBJC_TYPE(RTCPeerConnection) *peer_connection = peer_connection_; |
| [peer_connection.delegate peerConnection:peer_connection |
| didRemoveIceCandidates:ice_candidates]; |
| } |
| |
| void PeerConnectionDelegateAdapter::OnIceSelectedCandidatePairChanged( |
| const cricket::CandidatePairChangeEvent &event) { |
| const auto &selected_pair = event.selected_candidate_pair; |
| auto local_candidate_wrapper = std::make_unique<JsepIceCandidate>( |
| selected_pair.local_candidate().transport_name(), -1, selected_pair.local_candidate()); |
| RTC_OBJC_TYPE(RTCIceCandidate) *local_candidate = [[RTC_OBJC_TYPE(RTCIceCandidate) alloc] |
| initWithNativeCandidate:local_candidate_wrapper.release()]; |
| auto remote_candidate_wrapper = std::make_unique<JsepIceCandidate>( |
| selected_pair.remote_candidate().transport_name(), -1, selected_pair.remote_candidate()); |
| RTC_OBJC_TYPE(RTCIceCandidate) *remote_candidate = [[RTC_OBJC_TYPE(RTCIceCandidate) alloc] |
| initWithNativeCandidate:remote_candidate_wrapper.release()]; |
| RTC_OBJC_TYPE(RTCPeerConnection) *peer_connection = peer_connection_; |
| NSString *nsstr_reason = [NSString stringForStdString:event.reason]; |
| if ([peer_connection.delegate |
| respondsToSelector:@selector |
| (peerConnection:didChangeLocalCandidate:remoteCandidate:lastReceivedMs:changeReason:)]) { |
| [peer_connection.delegate peerConnection:peer_connection |
| didChangeLocalCandidate:local_candidate |
| remoteCandidate:remote_candidate |
| lastReceivedMs:event.last_data_received_ms |
| changeReason:nsstr_reason]; |
| } |
| } |
| |
| void PeerConnectionDelegateAdapter::OnAddTrack( |
| rtc::scoped_refptr<RtpReceiverInterface> receiver, |
| const std::vector<rtc::scoped_refptr<MediaStreamInterface>> &streams) { |
| RTC_OBJC_TYPE(RTCPeerConnection) *peer_connection = peer_connection_; |
| if ([peer_connection.delegate respondsToSelector:@selector(peerConnection: |
| didAddReceiver:streams:)]) { |
| NSMutableArray *mediaStreams = [NSMutableArray arrayWithCapacity:streams.size()]; |
| for (const auto &nativeStream : streams) { |
| RTC_OBJC_TYPE(RTCMediaStream) *mediaStream = |
| [[RTC_OBJC_TYPE(RTCMediaStream) alloc] initWithFactory:peer_connection.factory |
| nativeMediaStream:nativeStream]; |
| [mediaStreams addObject:mediaStream]; |
| } |
| RTC_OBJC_TYPE(RTCRtpReceiver) *rtpReceiver = |
| [[RTC_OBJC_TYPE(RTCRtpReceiver) alloc] initWithFactory:peer_connection.factory |
| nativeRtpReceiver:receiver]; |
| |
| [peer_connection.delegate peerConnection:peer_connection |
| didAddReceiver:rtpReceiver |
| streams:mediaStreams]; |
| } |
| } |
| |
| void PeerConnectionDelegateAdapter::OnRemoveTrack( |
| rtc::scoped_refptr<RtpReceiverInterface> receiver) { |
| RTC_OBJC_TYPE(RTCPeerConnection) *peer_connection = peer_connection_; |
| if ([peer_connection.delegate respondsToSelector:@selector(peerConnection:didRemoveReceiver:)]) { |
| RTC_OBJC_TYPE(RTCRtpReceiver) *rtpReceiver = |
| [[RTC_OBJC_TYPE(RTCRtpReceiver) alloc] initWithFactory:peer_connection.factory |
| nativeRtpReceiver:receiver]; |
| [peer_connection.delegate peerConnection:peer_connection didRemoveReceiver:rtpReceiver]; |
| } |
| } |
| |
| } // namespace webrtc |
| |
| @implementation RTC_OBJC_TYPE (RTCPeerConnection) { |
| RTC_OBJC_TYPE(RTCPeerConnectionFactory) * _factory; |
| NSMutableArray<RTC_OBJC_TYPE(RTCMediaStream) *> *_localStreams; |
| std::unique_ptr<webrtc::PeerConnectionDelegateAdapter> _observer; |
| rtc::scoped_refptr<webrtc::PeerConnectionInterface> _peerConnection; |
| std::unique_ptr<webrtc::MediaConstraints> _nativeConstraints; |
| BOOL _hasStartedRtcEventLog; |
| } |
| |
| @synthesize delegate = _delegate; |
| @synthesize factory = _factory; |
| |
| - (nullable instancetype)initWithFactory:(RTC_OBJC_TYPE(RTCPeerConnectionFactory) *)factory |
| configuration:(RTC_OBJC_TYPE(RTCConfiguration) *)configuration |
| constraints:(RTC_OBJC_TYPE(RTCMediaConstraints) *)constraints |
| certificateVerifier: |
| (nullable id<RTC_OBJC_TYPE(RTCSSLCertificateVerifier)>)certificateVerifier |
| delegate:(id<RTC_OBJC_TYPE(RTCPeerConnectionDelegate)>)delegate { |
| NSParameterAssert(factory); |
| std::unique_ptr<webrtc::PeerConnectionDependencies> dependencies = |
| std::make_unique<webrtc::PeerConnectionDependencies>(nullptr); |
| if (certificateVerifier != nil) { |
| dependencies->tls_cert_verifier = webrtc::ObjCToNativeCertificateVerifier(certificateVerifier); |
| } |
| return [self initWithDependencies:factory |
| configuration:configuration |
| constraints:constraints |
| dependencies:std::move(dependencies) |
| delegate:delegate]; |
| } |
| |
| - (nullable instancetype) |
| initWithDependencies:(RTC_OBJC_TYPE(RTCPeerConnectionFactory) *)factory |
| configuration:(RTC_OBJC_TYPE(RTCConfiguration) *)configuration |
| constraints:(RTC_OBJC_TYPE(RTCMediaConstraints) *)constraints |
| dependencies:(std::unique_ptr<webrtc::PeerConnectionDependencies>)dependencies |
| delegate:(id<RTC_OBJC_TYPE(RTCPeerConnectionDelegate)>)delegate { |
| NSParameterAssert(factory); |
| NSParameterAssert(dependencies.get()); |
| std::unique_ptr<webrtc::PeerConnectionInterface::RTCConfiguration> config( |
| [configuration createNativeConfiguration]); |
| if (!config) { |
| return nil; |
| } |
| if (self = [super init]) { |
| _observer.reset(new webrtc::PeerConnectionDelegateAdapter(self)); |
| _nativeConstraints = constraints.nativeConstraints; |
| CopyConstraintsIntoRtcConfiguration(_nativeConstraints.get(), config.get()); |
| |
| webrtc::PeerConnectionDependencies deps = std::move(*dependencies.release()); |
| deps.observer = _observer.get(); |
| auto result = factory.nativeFactory->CreatePeerConnectionOrError(*config, std::move(deps)); |
| |
| if (!result.ok()) { |
| return nil; |
| } |
| _peerConnection = result.MoveValue(); |
| _factory = factory; |
| _localStreams = [[NSMutableArray alloc] init]; |
| _delegate = delegate; |
| } |
| return self; |
| } |
| |
| - (NSArray<RTC_OBJC_TYPE(RTCMediaStream) *> *)localStreams { |
| return [_localStreams copy]; |
| } |
| |
| - (RTC_OBJC_TYPE(RTCSessionDescription) *)localDescription { |
| // It's only safe to operate on SessionDescriptionInterface on the signaling thread. |
| return _peerConnection->signaling_thread()->BlockingCall([self] { |
| const webrtc::SessionDescriptionInterface *description = _peerConnection->local_description(); |
| return description ? |
| [[RTC_OBJC_TYPE(RTCSessionDescription) alloc] initWithNativeDescription:description] : |
| nil; |
| }); |
| } |
| |
| - (RTC_OBJC_TYPE(RTCSessionDescription) *)remoteDescription { |
| // It's only safe to operate on SessionDescriptionInterface on the signaling thread. |
| return _peerConnection->signaling_thread()->BlockingCall([self] { |
| const webrtc::SessionDescriptionInterface *description = _peerConnection->remote_description(); |
| return description ? |
| [[RTC_OBJC_TYPE(RTCSessionDescription) alloc] initWithNativeDescription:description] : |
| nil; |
| }); |
| } |
| |
| - (RTCSignalingState)signalingState { |
| return [[self class] |
| signalingStateForNativeState:_peerConnection->signaling_state()]; |
| } |
| |
| - (RTCIceConnectionState)iceConnectionState { |
| return [[self class] iceConnectionStateForNativeState: |
| _peerConnection->ice_connection_state()]; |
| } |
| |
| - (RTCPeerConnectionState)connectionState { |
| return [[self class] connectionStateForNativeState:_peerConnection->peer_connection_state()]; |
| } |
| |
| - (RTCIceGatheringState)iceGatheringState { |
| return [[self class] iceGatheringStateForNativeState: |
| _peerConnection->ice_gathering_state()]; |
| } |
| |
| - (BOOL)setConfiguration:(RTC_OBJC_TYPE(RTCConfiguration) *)configuration { |
| std::unique_ptr<webrtc::PeerConnectionInterface::RTCConfiguration> config( |
| [configuration createNativeConfiguration]); |
| if (!config) { |
| return NO; |
| } |
| CopyConstraintsIntoRtcConfiguration(_nativeConstraints.get(), |
| config.get()); |
| return _peerConnection->SetConfiguration(*config).ok(); |
| } |
| |
| - (RTC_OBJC_TYPE(RTCConfiguration) *)configuration { |
| webrtc::PeerConnectionInterface::RTCConfiguration config = |
| _peerConnection->GetConfiguration(); |
| return [[RTC_OBJC_TYPE(RTCConfiguration) alloc] initWithNativeConfiguration:config]; |
| } |
| |
| - (void)close { |
| _peerConnection->Close(); |
| } |
| |
| - (void)addIceCandidate:(RTC_OBJC_TYPE(RTCIceCandidate) *)candidate { |
| std::unique_ptr<const webrtc::IceCandidateInterface> iceCandidate( |
| candidate.nativeCandidate); |
| _peerConnection->AddIceCandidate(iceCandidate.get()); |
| } |
| - (void)addIceCandidate:(RTC_OBJC_TYPE(RTCIceCandidate) *)candidate |
| completionHandler:(void (^)(NSError *_Nullable error))completionHandler { |
| RTC_DCHECK(completionHandler != nil); |
| _peerConnection->AddIceCandidate( |
| candidate.nativeCandidate, [completionHandler](const auto &error) { |
| if (error.ok()) { |
| completionHandler(nil); |
| } else { |
| NSString *str = [NSString stringForStdString:error.message()]; |
| NSError *err = [NSError errorWithDomain:kRTCPeerConnectionErrorDomain |
| code:static_cast<NSInteger>(error.type()) |
| userInfo:@{NSLocalizedDescriptionKey : str}]; |
| completionHandler(err); |
| } |
| }); |
| } |
| - (void)removeIceCandidates:(NSArray<RTC_OBJC_TYPE(RTCIceCandidate) *> *)iceCandidates { |
| std::vector<cricket::Candidate> candidates; |
| for (RTC_OBJC_TYPE(RTCIceCandidate) * iceCandidate in iceCandidates) { |
| std::unique_ptr<const webrtc::IceCandidateInterface> candidate( |
| iceCandidate.nativeCandidate); |
| if (candidate) { |
| candidates.push_back(candidate->candidate()); |
| // Need to fill the transport name from the sdp_mid. |
| candidates.back().set_transport_name(candidate->sdp_mid()); |
| } |
| } |
| if (!candidates.empty()) { |
| _peerConnection->RemoveIceCandidates(candidates); |
| } |
| } |
| |
| - (void)addStream:(RTC_OBJC_TYPE(RTCMediaStream) *)stream { |
| if (!_peerConnection->AddStream(stream.nativeMediaStream.get())) { |
| RTCLogError(@"Failed to add stream: %@", stream); |
| return; |
| } |
| [_localStreams addObject:stream]; |
| } |
| |
| - (void)removeStream:(RTC_OBJC_TYPE(RTCMediaStream) *)stream { |
| _peerConnection->RemoveStream(stream.nativeMediaStream.get()); |
| [_localStreams removeObject:stream]; |
| } |
| |
| - (nullable RTC_OBJC_TYPE(RTCRtpSender) *)addTrack:(RTC_OBJC_TYPE(RTCMediaStreamTrack) *)track |
| streamIds:(NSArray<NSString *> *)streamIds { |
| std::vector<std::string> nativeStreamIds; |
| for (NSString *streamId in streamIds) { |
| nativeStreamIds.push_back([streamId UTF8String]); |
| } |
| webrtc::RTCErrorOr<rtc::scoped_refptr<webrtc::RtpSenderInterface>> nativeSenderOrError = |
| _peerConnection->AddTrack(track.nativeTrack, nativeStreamIds); |
| if (!nativeSenderOrError.ok()) { |
| RTCLogError(@"Failed to add track %@: %s", track, nativeSenderOrError.error().message()); |
| return nil; |
| } |
| return [[RTC_OBJC_TYPE(RTCRtpSender) alloc] initWithFactory:self.factory |
| nativeRtpSender:nativeSenderOrError.MoveValue()]; |
| } |
| |
| - (BOOL)removeTrack:(RTC_OBJC_TYPE(RTCRtpSender) *)sender { |
| bool result = _peerConnection->RemoveTrackOrError(sender.nativeRtpSender).ok(); |
| if (!result) { |
| RTCLogError(@"Failed to remote track %@", sender); |
| } |
| return result; |
| } |
| |
| - (nullable RTC_OBJC_TYPE(RTCRtpTransceiver) *)addTransceiverWithTrack: |
| (RTC_OBJC_TYPE(RTCMediaStreamTrack) *)track { |
| return [self addTransceiverWithTrack:track |
| init:[[RTC_OBJC_TYPE(RTCRtpTransceiverInit) alloc] init]]; |
| } |
| |
| - (nullable RTC_OBJC_TYPE(RTCRtpTransceiver) *) |
| addTransceiverWithTrack:(RTC_OBJC_TYPE(RTCMediaStreamTrack) *)track |
| init:(RTC_OBJC_TYPE(RTCRtpTransceiverInit) *)init { |
| webrtc::RTCErrorOr<rtc::scoped_refptr<webrtc::RtpTransceiverInterface>> nativeTransceiverOrError = |
| _peerConnection->AddTransceiver(track.nativeTrack, init.nativeInit); |
| if (!nativeTransceiverOrError.ok()) { |
| RTCLogError( |
| @"Failed to add transceiver %@: %s", track, nativeTransceiverOrError.error().message()); |
| return nil; |
| } |
| return [[RTC_OBJC_TYPE(RTCRtpTransceiver) alloc] |
| initWithFactory:self.factory |
| nativeRtpTransceiver:nativeTransceiverOrError.MoveValue()]; |
| } |
| |
| - (nullable RTC_OBJC_TYPE(RTCRtpTransceiver) *)addTransceiverOfType:(RTCRtpMediaType)mediaType { |
| return [self addTransceiverOfType:mediaType |
| init:[[RTC_OBJC_TYPE(RTCRtpTransceiverInit) alloc] init]]; |
| } |
| |
| - (nullable RTC_OBJC_TYPE(RTCRtpTransceiver) *) |
| addTransceiverOfType:(RTCRtpMediaType)mediaType |
| init:(RTC_OBJC_TYPE(RTCRtpTransceiverInit) *)init { |
| webrtc::RTCErrorOr<rtc::scoped_refptr<webrtc::RtpTransceiverInterface>> nativeTransceiverOrError = |
| _peerConnection->AddTransceiver( |
| [RTC_OBJC_TYPE(RTCRtpReceiver) nativeMediaTypeForMediaType:mediaType], init.nativeInit); |
| if (!nativeTransceiverOrError.ok()) { |
| RTCLogError(@"Failed to add transceiver %@: %s", |
| [RTC_OBJC_TYPE(RTCRtpReceiver) stringForMediaType:mediaType], |
| nativeTransceiverOrError.error().message()); |
| return nil; |
| } |
| return [[RTC_OBJC_TYPE(RTCRtpTransceiver) alloc] |
| initWithFactory:self.factory |
| nativeRtpTransceiver:nativeTransceiverOrError.MoveValue()]; |
| } |
| |
| - (void)restartIce { |
| _peerConnection->RestartIce(); |
| } |
| |
| - (void)offerForConstraints:(RTC_OBJC_TYPE(RTCMediaConstraints) *)constraints |
| completionHandler:(RTCCreateSessionDescriptionCompletionHandler)completionHandler { |
| RTC_DCHECK(completionHandler != nil); |
| rtc::scoped_refptr<webrtc::CreateSessionDescriptionObserverAdapter> observer = |
| rtc::make_ref_counted<webrtc::CreateSessionDescriptionObserverAdapter>(completionHandler); |
| webrtc::PeerConnectionInterface::RTCOfferAnswerOptions options; |
| CopyConstraintsIntoOfferAnswerOptions(constraints.nativeConstraints.get(), &options); |
| |
| _peerConnection->CreateOffer(observer.get(), options); |
| } |
| |
| - (void)answerForConstraints:(RTC_OBJC_TYPE(RTCMediaConstraints) *)constraints |
| completionHandler:(RTCCreateSessionDescriptionCompletionHandler)completionHandler { |
| RTC_DCHECK(completionHandler != nil); |
| rtc::scoped_refptr<webrtc::CreateSessionDescriptionObserverAdapter> observer = |
| rtc::make_ref_counted<webrtc::CreateSessionDescriptionObserverAdapter>(completionHandler); |
| webrtc::PeerConnectionInterface::RTCOfferAnswerOptions options; |
| CopyConstraintsIntoOfferAnswerOptions(constraints.nativeConstraints.get(), &options); |
| |
| _peerConnection->CreateAnswer(observer.get(), options); |
| } |
| |
| - (void)setLocalDescription:(RTC_OBJC_TYPE(RTCSessionDescription) *)sdp |
| completionHandler:(RTCSetSessionDescriptionCompletionHandler)completionHandler { |
| RTC_DCHECK(completionHandler != nil); |
| rtc::scoped_refptr<webrtc::SetLocalDescriptionObserverInterface> observer = |
| rtc::make_ref_counted<::SetSessionDescriptionObserver>(completionHandler); |
| _peerConnection->SetLocalDescription(sdp.nativeDescription, observer); |
| } |
| |
| - (void)setLocalDescriptionWithCompletionHandler: |
| (RTCSetSessionDescriptionCompletionHandler)completionHandler { |
| RTC_DCHECK(completionHandler != nil); |
| rtc::scoped_refptr<webrtc::SetLocalDescriptionObserverInterface> observer = |
| rtc::make_ref_counted<::SetSessionDescriptionObserver>(completionHandler); |
| _peerConnection->SetLocalDescription(observer); |
| } |
| |
| - (void)setRemoteDescription:(RTC_OBJC_TYPE(RTCSessionDescription) *)sdp |
| completionHandler:(RTCSetSessionDescriptionCompletionHandler)completionHandler { |
| RTC_DCHECK(completionHandler != nil); |
| rtc::scoped_refptr<webrtc::SetRemoteDescriptionObserverInterface> observer = |
| rtc::make_ref_counted<::SetSessionDescriptionObserver>(completionHandler); |
| _peerConnection->SetRemoteDescription(sdp.nativeDescription, observer); |
| } |
| |
| - (BOOL)setBweMinBitrateBps:(nullable NSNumber *)minBitrateBps |
| currentBitrateBps:(nullable NSNumber *)currentBitrateBps |
| maxBitrateBps:(nullable NSNumber *)maxBitrateBps { |
| webrtc::BitrateSettings params; |
| if (minBitrateBps != nil) { |
| params.min_bitrate_bps = absl::optional<int>(minBitrateBps.intValue); |
| } |
| if (currentBitrateBps != nil) { |
| params.start_bitrate_bps = absl::optional<int>(currentBitrateBps.intValue); |
| } |
| if (maxBitrateBps != nil) { |
| params.max_bitrate_bps = absl::optional<int>(maxBitrateBps.intValue); |
| } |
| return _peerConnection->SetBitrate(params).ok(); |
| } |
| |
| - (BOOL)startRtcEventLogWithFilePath:(NSString *)filePath |
| maxSizeInBytes:(int64_t)maxSizeInBytes { |
| RTC_DCHECK(filePath.length); |
| RTC_DCHECK_GT(maxSizeInBytes, 0); |
| RTC_DCHECK(!_hasStartedRtcEventLog); |
| if (_hasStartedRtcEventLog) { |
| RTCLogError(@"Event logging already started."); |
| return NO; |
| } |
| FILE *f = fopen(filePath.UTF8String, "wb"); |
| if (!f) { |
| RTCLogError(@"Error opening file: %@. Error: %d", filePath, errno); |
| return NO; |
| } |
| // TODO(eladalon): It would be better to not allow negative values into PC. |
| const size_t max_size = (maxSizeInBytes < 0) ? webrtc::RtcEventLog::kUnlimitedOutput : |
| rtc::saturated_cast<size_t>(maxSizeInBytes); |
| |
| _hasStartedRtcEventLog = _peerConnection->StartRtcEventLog( |
| std::make_unique<webrtc::RtcEventLogOutputFile>(f, max_size)); |
| return _hasStartedRtcEventLog; |
| } |
| |
| - (void)stopRtcEventLog { |
| _peerConnection->StopRtcEventLog(); |
| _hasStartedRtcEventLog = NO; |
| } |
| |
| - (RTC_OBJC_TYPE(RTCRtpSender) *)senderWithKind:(NSString *)kind streamId:(NSString *)streamId { |
| std::string nativeKind = [NSString stdStringForString:kind]; |
| std::string nativeStreamId = [NSString stdStringForString:streamId]; |
| rtc::scoped_refptr<webrtc::RtpSenderInterface> nativeSender( |
| _peerConnection->CreateSender(nativeKind, nativeStreamId)); |
| return nativeSender ? [[RTC_OBJC_TYPE(RTCRtpSender) alloc] initWithFactory:self.factory |
| nativeRtpSender:nativeSender] : |
| nil; |
| } |
| |
| - (NSArray<RTC_OBJC_TYPE(RTCRtpSender) *> *)senders { |
| std::vector<rtc::scoped_refptr<webrtc::RtpSenderInterface>> nativeSenders( |
| _peerConnection->GetSenders()); |
| NSMutableArray *senders = [[NSMutableArray alloc] init]; |
| for (const auto &nativeSender : nativeSenders) { |
| RTC_OBJC_TYPE(RTCRtpSender) *sender = |
| [[RTC_OBJC_TYPE(RTCRtpSender) alloc] initWithFactory:self.factory |
| nativeRtpSender:nativeSender]; |
| [senders addObject:sender]; |
| } |
| return senders; |
| } |
| |
| - (NSArray<RTC_OBJC_TYPE(RTCRtpReceiver) *> *)receivers { |
| std::vector<rtc::scoped_refptr<webrtc::RtpReceiverInterface>> nativeReceivers( |
| _peerConnection->GetReceivers()); |
| NSMutableArray *receivers = [[NSMutableArray alloc] init]; |
| for (const auto &nativeReceiver : nativeReceivers) { |
| RTC_OBJC_TYPE(RTCRtpReceiver) *receiver = |
| [[RTC_OBJC_TYPE(RTCRtpReceiver) alloc] initWithFactory:self.factory |
| nativeRtpReceiver:nativeReceiver]; |
| [receivers addObject:receiver]; |
| } |
| return receivers; |
| } |
| |
| - (NSArray<RTC_OBJC_TYPE(RTCRtpTransceiver) *> *)transceivers { |
| std::vector<rtc::scoped_refptr<webrtc::RtpTransceiverInterface>> nativeTransceivers( |
| _peerConnection->GetTransceivers()); |
| NSMutableArray *transceivers = [[NSMutableArray alloc] init]; |
| for (const auto &nativeTransceiver : nativeTransceivers) { |
| RTC_OBJC_TYPE(RTCRtpTransceiver) *transceiver = |
| [[RTC_OBJC_TYPE(RTCRtpTransceiver) alloc] initWithFactory:self.factory |
| nativeRtpTransceiver:nativeTransceiver]; |
| [transceivers addObject:transceiver]; |
| } |
| return transceivers; |
| } |
| |
| #pragma mark - Private |
| |
| + (webrtc::PeerConnectionInterface::SignalingState)nativeSignalingStateForState: |
| (RTCSignalingState)state { |
| switch (state) { |
| case RTCSignalingStateStable: |
| return webrtc::PeerConnectionInterface::kStable; |
| case RTCSignalingStateHaveLocalOffer: |
| return webrtc::PeerConnectionInterface::kHaveLocalOffer; |
| case RTCSignalingStateHaveLocalPrAnswer: |
| return webrtc::PeerConnectionInterface::kHaveLocalPrAnswer; |
| case RTCSignalingStateHaveRemoteOffer: |
| return webrtc::PeerConnectionInterface::kHaveRemoteOffer; |
| case RTCSignalingStateHaveRemotePrAnswer: |
| return webrtc::PeerConnectionInterface::kHaveRemotePrAnswer; |
| case RTCSignalingStateClosed: |
| return webrtc::PeerConnectionInterface::kClosed; |
| } |
| } |
| |
| + (RTCSignalingState)signalingStateForNativeState: |
| (webrtc::PeerConnectionInterface::SignalingState)nativeState { |
| switch (nativeState) { |
| case webrtc::PeerConnectionInterface::kStable: |
| return RTCSignalingStateStable; |
| case webrtc::PeerConnectionInterface::kHaveLocalOffer: |
| return RTCSignalingStateHaveLocalOffer; |
| case webrtc::PeerConnectionInterface::kHaveLocalPrAnswer: |
| return RTCSignalingStateHaveLocalPrAnswer; |
| case webrtc::PeerConnectionInterface::kHaveRemoteOffer: |
| return RTCSignalingStateHaveRemoteOffer; |
| case webrtc::PeerConnectionInterface::kHaveRemotePrAnswer: |
| return RTCSignalingStateHaveRemotePrAnswer; |
| case webrtc::PeerConnectionInterface::kClosed: |
| return RTCSignalingStateClosed; |
| } |
| } |
| |
| + (NSString *)stringForSignalingState:(RTCSignalingState)state { |
| switch (state) { |
| case RTCSignalingStateStable: |
| return @"STABLE"; |
| case RTCSignalingStateHaveLocalOffer: |
| return @"HAVE_LOCAL_OFFER"; |
| case RTCSignalingStateHaveLocalPrAnswer: |
| return @"HAVE_LOCAL_PRANSWER"; |
| case RTCSignalingStateHaveRemoteOffer: |
| return @"HAVE_REMOTE_OFFER"; |
| case RTCSignalingStateHaveRemotePrAnswer: |
| return @"HAVE_REMOTE_PRANSWER"; |
| case RTCSignalingStateClosed: |
| return @"CLOSED"; |
| } |
| } |
| |
| + (webrtc::PeerConnectionInterface::PeerConnectionState)nativeConnectionStateForState: |
| (RTCPeerConnectionState)state { |
| switch (state) { |
| case RTCPeerConnectionStateNew: |
| return webrtc::PeerConnectionInterface::PeerConnectionState::kNew; |
| case RTCPeerConnectionStateConnecting: |
| return webrtc::PeerConnectionInterface::PeerConnectionState::kConnecting; |
| case RTCPeerConnectionStateConnected: |
| return webrtc::PeerConnectionInterface::PeerConnectionState::kConnected; |
| case RTCPeerConnectionStateFailed: |
| return webrtc::PeerConnectionInterface::PeerConnectionState::kFailed; |
| case RTCPeerConnectionStateDisconnected: |
| return webrtc::PeerConnectionInterface::PeerConnectionState::kDisconnected; |
| case RTCPeerConnectionStateClosed: |
| return webrtc::PeerConnectionInterface::PeerConnectionState::kClosed; |
| } |
| } |
| |
| + (RTCPeerConnectionState)connectionStateForNativeState: |
| (webrtc::PeerConnectionInterface::PeerConnectionState)nativeState { |
| switch (nativeState) { |
| case webrtc::PeerConnectionInterface::PeerConnectionState::kNew: |
| return RTCPeerConnectionStateNew; |
| case webrtc::PeerConnectionInterface::PeerConnectionState::kConnecting: |
| return RTCPeerConnectionStateConnecting; |
| case webrtc::PeerConnectionInterface::PeerConnectionState::kConnected: |
| return RTCPeerConnectionStateConnected; |
| case webrtc::PeerConnectionInterface::PeerConnectionState::kFailed: |
| return RTCPeerConnectionStateFailed; |
| case webrtc::PeerConnectionInterface::PeerConnectionState::kDisconnected: |
| return RTCPeerConnectionStateDisconnected; |
| case webrtc::PeerConnectionInterface::PeerConnectionState::kClosed: |
| return RTCPeerConnectionStateClosed; |
| } |
| } |
| |
| + (NSString *)stringForConnectionState:(RTCPeerConnectionState)state { |
| switch (state) { |
| case RTCPeerConnectionStateNew: |
| return @"NEW"; |
| case RTCPeerConnectionStateConnecting: |
| return @"CONNECTING"; |
| case RTCPeerConnectionStateConnected: |
| return @"CONNECTED"; |
| case RTCPeerConnectionStateFailed: |
| return @"FAILED"; |
| case RTCPeerConnectionStateDisconnected: |
| return @"DISCONNECTED"; |
| case RTCPeerConnectionStateClosed: |
| return @"CLOSED"; |
| } |
| } |
| |
| + (webrtc::PeerConnectionInterface::IceConnectionState) |
| nativeIceConnectionStateForState:(RTCIceConnectionState)state { |
| switch (state) { |
| case RTCIceConnectionStateNew: |
| return webrtc::PeerConnectionInterface::kIceConnectionNew; |
| case RTCIceConnectionStateChecking: |
| return webrtc::PeerConnectionInterface::kIceConnectionChecking; |
| case RTCIceConnectionStateConnected: |
| return webrtc::PeerConnectionInterface::kIceConnectionConnected; |
| case RTCIceConnectionStateCompleted: |
| return webrtc::PeerConnectionInterface::kIceConnectionCompleted; |
| case RTCIceConnectionStateFailed: |
| return webrtc::PeerConnectionInterface::kIceConnectionFailed; |
| case RTCIceConnectionStateDisconnected: |
| return webrtc::PeerConnectionInterface::kIceConnectionDisconnected; |
| case RTCIceConnectionStateClosed: |
| return webrtc::PeerConnectionInterface::kIceConnectionClosed; |
| case RTCIceConnectionStateCount: |
| return webrtc::PeerConnectionInterface::kIceConnectionMax; |
| } |
| } |
| |
| + (RTCIceConnectionState)iceConnectionStateForNativeState: |
| (webrtc::PeerConnectionInterface::IceConnectionState)nativeState { |
| switch (nativeState) { |
| case webrtc::PeerConnectionInterface::kIceConnectionNew: |
| return RTCIceConnectionStateNew; |
| case webrtc::PeerConnectionInterface::kIceConnectionChecking: |
| return RTCIceConnectionStateChecking; |
| case webrtc::PeerConnectionInterface::kIceConnectionConnected: |
| return RTCIceConnectionStateConnected; |
| case webrtc::PeerConnectionInterface::kIceConnectionCompleted: |
| return RTCIceConnectionStateCompleted; |
| case webrtc::PeerConnectionInterface::kIceConnectionFailed: |
| return RTCIceConnectionStateFailed; |
| case webrtc::PeerConnectionInterface::kIceConnectionDisconnected: |
| return RTCIceConnectionStateDisconnected; |
| case webrtc::PeerConnectionInterface::kIceConnectionClosed: |
| return RTCIceConnectionStateClosed; |
| case webrtc::PeerConnectionInterface::kIceConnectionMax: |
| return RTCIceConnectionStateCount; |
| } |
| } |
| |
| + (NSString *)stringForIceConnectionState:(RTCIceConnectionState)state { |
| switch (state) { |
| case RTCIceConnectionStateNew: |
| return @"NEW"; |
| case RTCIceConnectionStateChecking: |
| return @"CHECKING"; |
| case RTCIceConnectionStateConnected: |
| return @"CONNECTED"; |
| case RTCIceConnectionStateCompleted: |
| return @"COMPLETED"; |
| case RTCIceConnectionStateFailed: |
| return @"FAILED"; |
| case RTCIceConnectionStateDisconnected: |
| return @"DISCONNECTED"; |
| case RTCIceConnectionStateClosed: |
| return @"CLOSED"; |
| case RTCIceConnectionStateCount: |
| return @"COUNT"; |
| } |
| } |
| |
| + (webrtc::PeerConnectionInterface::IceGatheringState) |
| nativeIceGatheringStateForState:(RTCIceGatheringState)state { |
| switch (state) { |
| case RTCIceGatheringStateNew: |
| return webrtc::PeerConnectionInterface::kIceGatheringNew; |
| case RTCIceGatheringStateGathering: |
| return webrtc::PeerConnectionInterface::kIceGatheringGathering; |
| case RTCIceGatheringStateComplete: |
| return webrtc::PeerConnectionInterface::kIceGatheringComplete; |
| } |
| } |
| |
| + (RTCIceGatheringState)iceGatheringStateForNativeState: |
| (webrtc::PeerConnectionInterface::IceGatheringState)nativeState { |
| switch (nativeState) { |
| case webrtc::PeerConnectionInterface::kIceGatheringNew: |
| return RTCIceGatheringStateNew; |
| case webrtc::PeerConnectionInterface::kIceGatheringGathering: |
| return RTCIceGatheringStateGathering; |
| case webrtc::PeerConnectionInterface::kIceGatheringComplete: |
| return RTCIceGatheringStateComplete; |
| } |
| } |
| |
| + (NSString *)stringForIceGatheringState:(RTCIceGatheringState)state { |
| switch (state) { |
| case RTCIceGatheringStateNew: |
| return @"NEW"; |
| case RTCIceGatheringStateGathering: |
| return @"GATHERING"; |
| case RTCIceGatheringStateComplete: |
| return @"COMPLETE"; |
| } |
| } |
| |
| + (webrtc::PeerConnectionInterface::StatsOutputLevel) |
| nativeStatsOutputLevelForLevel:(RTCStatsOutputLevel)level { |
| switch (level) { |
| case RTCStatsOutputLevelStandard: |
| return webrtc::PeerConnectionInterface::kStatsOutputLevelStandard; |
| case RTCStatsOutputLevelDebug: |
| return webrtc::PeerConnectionInterface::kStatsOutputLevelDebug; |
| } |
| } |
| |
| - (rtc::scoped_refptr<webrtc::PeerConnectionInterface>)nativePeerConnection { |
| return _peerConnection; |
| } |
| |
| @end |
