| /* |
| * Copyright 2018 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 "base/RTCVideoDecoderFactory.h" |
| #import "base/RTCVideoEncoderFactory.h" |
| |
| #import "api/peerconnection/RTCAudioSource.h" |
| #import "api/peerconnection/RTCConfiguration.h" |
| #import "api/peerconnection/RTCDataChannel.h" |
| #import "api/peerconnection/RTCDataChannelConfiguration.h" |
| #import "api/peerconnection/RTCMediaConstraints.h" |
| #import "api/peerconnection/RTCMediaStreamTrack.h" |
| #import "api/peerconnection/RTCPeerConnection.h" |
| #import "api/peerconnection/RTCPeerConnectionFactory.h" |
| #import "api/peerconnection/RTCRtpCapabilities.h" |
| #import "api/peerconnection/RTCRtpCodecCapability.h" |
| #import "api/peerconnection/RTCRtpReceiver.h" |
| #import "api/peerconnection/RTCRtpSender.h" |
| #import "api/peerconnection/RTCRtpTransceiver.h" |
| #import "api/peerconnection/RTCSessionDescription.h" |
| #import "api/peerconnection/RTCVideoSource.h" |
| #import "rtc_base/system/unused.h" |
| |
| #import <XCTest/XCTest.h> |
| |
| @interface MockVideoEncoderDecoderFactory |
| : NSObject <RTC_OBJC_TYPE (RTCVideoEncoderFactory), RTC_OBJC_TYPE (RTCVideoDecoderFactory)> |
| - (instancetype)initWithSupportedCodecs: |
| (nonnull NSArray<RTC_OBJC_TYPE(RTCVideoCodecInfo) *> *)supportedCodecs; |
| @end |
| |
| @implementation MockVideoEncoderDecoderFactory { |
| NSArray<RTC_OBJC_TYPE(RTCVideoCodecInfo) *> *_supportedCodecs; |
| } |
| |
| - (instancetype)initWithSupportedCodecs: |
| (nonnull NSArray<RTC_OBJC_TYPE(RTCVideoCodecInfo) *> *)supportedCodecs { |
| if (self = [super init]) { |
| _supportedCodecs = supportedCodecs; |
| } |
| return self; |
| } |
| |
| - (nullable id<RTC_OBJC_TYPE(RTCVideoEncoder)>)createEncoder: |
| (nonnull RTC_OBJC_TYPE(RTCVideoCodecInfo) *)info { |
| return nil; |
| } |
| |
| - (nullable id<RTC_OBJC_TYPE(RTCVideoDecoder)>)createDecoder: |
| (nonnull RTC_OBJC_TYPE(RTCVideoCodecInfo) *)info { |
| return nil; |
| } |
| |
| - (nonnull NSArray<RTC_OBJC_TYPE(RTCVideoCodecInfo) *> *)supportedCodecs { |
| return _supportedCodecs; |
| } |
| |
| @end |
| |
| @interface RTCPeerConnectionFactoryTests : XCTestCase |
| @end |
| |
| @implementation RTCPeerConnectionFactoryTests |
| |
| - (void)testPeerConnectionLifetime { |
| @autoreleasepool { |
| RTC_OBJC_TYPE(RTCConfiguration) *config = [[RTC_OBJC_TYPE(RTCConfiguration) alloc] init]; |
| |
| RTC_OBJC_TYPE(RTCMediaConstraints) *constraints = |
| [[RTC_OBJC_TYPE(RTCMediaConstraints) alloc] initWithMandatoryConstraints:@{} |
| optionalConstraints:nil]; |
| |
| RTC_OBJC_TYPE(RTCPeerConnectionFactory) * factory; |
| RTC_OBJC_TYPE(RTCPeerConnection) * peerConnection; |
| |
| @autoreleasepool { |
| factory = [[RTC_OBJC_TYPE(RTCPeerConnectionFactory) alloc] init]; |
| peerConnection = |
| [factory peerConnectionWithConfiguration:config constraints:constraints delegate:nil]; |
| [peerConnection close]; |
| factory = nil; |
| } |
| peerConnection = nil; |
| } |
| |
| XCTAssertTrue(true, @"Expect test does not crash"); |
| } |
| |
| - (void)testMediaStreamLifetime { |
| @autoreleasepool { |
| RTC_OBJC_TYPE(RTCPeerConnectionFactory) * factory; |
| RTC_OBJC_TYPE(RTCMediaStream) * mediaStream; |
| |
| @autoreleasepool { |
| factory = [[RTC_OBJC_TYPE(RTCPeerConnectionFactory) alloc] init]; |
| mediaStream = [factory mediaStreamWithStreamId:@"mediaStream"]; |
| factory = nil; |
| } |
| mediaStream = nil; |
| RTC_UNUSED(mediaStream); |
| } |
| |
| XCTAssertTrue(true, "Expect test does not crash"); |
| } |
| |
| - (void)testDataChannelLifetime { |
| @autoreleasepool { |
| RTC_OBJC_TYPE(RTCConfiguration) *config = [[RTC_OBJC_TYPE(RTCConfiguration) alloc] init]; |
| RTC_OBJC_TYPE(RTCMediaConstraints) *constraints = |
| [[RTC_OBJC_TYPE(RTCMediaConstraints) alloc] initWithMandatoryConstraints:@{} |
| optionalConstraints:nil]; |
| RTC_OBJC_TYPE(RTCDataChannelConfiguration) *dataChannelConfig = |
| [[RTC_OBJC_TYPE(RTCDataChannelConfiguration) alloc] init]; |
| |
| RTC_OBJC_TYPE(RTCPeerConnectionFactory) * factory; |
| RTC_OBJC_TYPE(RTCPeerConnection) * peerConnection; |
| RTC_OBJC_TYPE(RTCDataChannel) * dataChannel; |
| |
| @autoreleasepool { |
| factory = [[RTC_OBJC_TYPE(RTCPeerConnectionFactory) alloc] init]; |
| peerConnection = |
| [factory peerConnectionWithConfiguration:config constraints:constraints delegate:nil]; |
| dataChannel = |
| [peerConnection dataChannelForLabel:@"test_channel" configuration:dataChannelConfig]; |
| XCTAssertNotNil(dataChannel); |
| [peerConnection close]; |
| peerConnection = nil; |
| factory = nil; |
| } |
| dataChannel = nil; |
| } |
| |
| XCTAssertTrue(true, "Expect test does not crash"); |
| } |
| |
| - (void)testRTCRtpTransceiverLifetime { |
| @autoreleasepool { |
| RTC_OBJC_TYPE(RTCConfiguration) *config = [[RTC_OBJC_TYPE(RTCConfiguration) alloc] init]; |
| config.sdpSemantics = RTCSdpSemanticsUnifiedPlan; |
| RTC_OBJC_TYPE(RTCMediaConstraints) *contraints = |
| [[RTC_OBJC_TYPE(RTCMediaConstraints) alloc] initWithMandatoryConstraints:@{} |
| optionalConstraints:nil]; |
| RTC_OBJC_TYPE(RTCRtpTransceiverInit) *init = |
| [[RTC_OBJC_TYPE(RTCRtpTransceiverInit) alloc] init]; |
| |
| RTC_OBJC_TYPE(RTCPeerConnectionFactory) * factory; |
| RTC_OBJC_TYPE(RTCPeerConnection) * peerConnection; |
| RTC_OBJC_TYPE(RTCRtpTransceiver) * tranceiver; |
| |
| @autoreleasepool { |
| factory = [[RTC_OBJC_TYPE(RTCPeerConnectionFactory) alloc] init]; |
| peerConnection = |
| [factory peerConnectionWithConfiguration:config constraints:contraints delegate:nil]; |
| tranceiver = [peerConnection addTransceiverOfType:RTCRtpMediaTypeAudio init:init]; |
| XCTAssertNotNil(tranceiver); |
| [peerConnection close]; |
| peerConnection = nil; |
| factory = nil; |
| } |
| tranceiver = nil; |
| } |
| |
| XCTAssertTrue(true, "Expect test does not crash"); |
| } |
| |
| - (void)testRTCRtpSenderLifetime { |
| @autoreleasepool { |
| RTC_OBJC_TYPE(RTCConfiguration) *config = [[RTC_OBJC_TYPE(RTCConfiguration) alloc] init]; |
| config.sdpSemantics = RTCSdpSemanticsPlanB; |
| RTC_OBJC_TYPE(RTCMediaConstraints) *constraints = |
| [[RTC_OBJC_TYPE(RTCMediaConstraints) alloc] initWithMandatoryConstraints:@{} |
| optionalConstraints:nil]; |
| |
| RTC_OBJC_TYPE(RTCPeerConnectionFactory) * factory; |
| RTC_OBJC_TYPE(RTCPeerConnection) * peerConnection; |
| RTC_OBJC_TYPE(RTCRtpSender) * sender; |
| |
| @autoreleasepool { |
| factory = [[RTC_OBJC_TYPE(RTCPeerConnectionFactory) alloc] init]; |
| peerConnection = |
| [factory peerConnectionWithConfiguration:config constraints:constraints delegate:nil]; |
| sender = [peerConnection senderWithKind:kRTCMediaStreamTrackKindVideo streamId:@"stream"]; |
| XCTAssertNotNil(sender); |
| [peerConnection close]; |
| peerConnection = nil; |
| factory = nil; |
| } |
| sender = nil; |
| } |
| |
| XCTAssertTrue(true, "Expect test does not crash"); |
| } |
| |
| - (void)testRTCRtpReceiverLifetime { |
| @autoreleasepool { |
| RTC_OBJC_TYPE(RTCConfiguration) *config = [[RTC_OBJC_TYPE(RTCConfiguration) alloc] init]; |
| config.sdpSemantics = RTCSdpSemanticsPlanB; |
| RTC_OBJC_TYPE(RTCMediaConstraints) *constraints = |
| [[RTC_OBJC_TYPE(RTCMediaConstraints) alloc] initWithMandatoryConstraints:@{} |
| optionalConstraints:nil]; |
| |
| RTC_OBJC_TYPE(RTCPeerConnectionFactory) * factory; |
| RTC_OBJC_TYPE(RTCPeerConnection) * pc1; |
| RTC_OBJC_TYPE(RTCPeerConnection) * pc2; |
| |
| NSArray<RTC_OBJC_TYPE(RTCRtpReceiver) *> *receivers1; |
| NSArray<RTC_OBJC_TYPE(RTCRtpReceiver) *> *receivers2; |
| |
| @autoreleasepool { |
| factory = [[RTC_OBJC_TYPE(RTCPeerConnectionFactory) alloc] init]; |
| pc1 = [factory peerConnectionWithConfiguration:config constraints:constraints delegate:nil]; |
| [pc1 senderWithKind:kRTCMediaStreamTrackKindAudio streamId:@"stream"]; |
| |
| pc2 = [factory peerConnectionWithConfiguration:config constraints:constraints delegate:nil]; |
| [pc2 senderWithKind:kRTCMediaStreamTrackKindAudio streamId:@"stream"]; |
| |
| NSTimeInterval negotiationTimeout = 15; |
| XCTAssertTrue([self negotiatePeerConnection:pc1 |
| withPeerConnection:pc2 |
| negotiationTimeout:negotiationTimeout]); |
| |
| XCTAssertEqual(pc1.signalingState, RTCSignalingStateStable); |
| XCTAssertEqual(pc2.signalingState, RTCSignalingStateStable); |
| |
| receivers1 = pc1.receivers; |
| receivers2 = pc2.receivers; |
| XCTAssertTrue(receivers1.count > 0); |
| XCTAssertTrue(receivers2.count > 0); |
| [pc1 close]; |
| [pc2 close]; |
| pc1 = nil; |
| pc2 = nil; |
| factory = nil; |
| } |
| receivers1 = nil; |
| receivers2 = nil; |
| } |
| |
| XCTAssertTrue(true, "Expect test does not crash"); |
| } |
| |
| - (void)testAudioSourceLifetime { |
| @autoreleasepool { |
| RTC_OBJC_TYPE(RTCPeerConnectionFactory) * factory; |
| RTC_OBJC_TYPE(RTCAudioSource) * audioSource; |
| |
| @autoreleasepool { |
| factory = [[RTC_OBJC_TYPE(RTCPeerConnectionFactory) alloc] init]; |
| audioSource = [factory audioSourceWithConstraints:nil]; |
| XCTAssertNotNil(audioSource); |
| factory = nil; |
| } |
| audioSource = nil; |
| } |
| |
| XCTAssertTrue(true, "Expect test does not crash"); |
| } |
| |
| - (void)testVideoSourceLifetime { |
| @autoreleasepool { |
| RTC_OBJC_TYPE(RTCPeerConnectionFactory) * factory; |
| RTC_OBJC_TYPE(RTCVideoSource) * videoSource; |
| |
| @autoreleasepool { |
| factory = [[RTC_OBJC_TYPE(RTCPeerConnectionFactory) alloc] init]; |
| videoSource = [factory videoSource]; |
| XCTAssertNotNil(videoSource); |
| factory = nil; |
| } |
| videoSource = nil; |
| } |
| |
| XCTAssertTrue(true, "Expect test does not crash"); |
| } |
| |
| - (void)testAudioTrackLifetime { |
| @autoreleasepool { |
| RTC_OBJC_TYPE(RTCPeerConnectionFactory) * factory; |
| RTC_OBJC_TYPE(RTCAudioTrack) * audioTrack; |
| |
| @autoreleasepool { |
| factory = [[RTC_OBJC_TYPE(RTCPeerConnectionFactory) alloc] init]; |
| audioTrack = [factory audioTrackWithTrackId:@"audioTrack"]; |
| XCTAssertNotNil(audioTrack); |
| factory = nil; |
| } |
| audioTrack = nil; |
| } |
| |
| XCTAssertTrue(true, "Expect test does not crash"); |
| } |
| |
| - (void)testVideoTrackLifetime { |
| @autoreleasepool { |
| RTC_OBJC_TYPE(RTCPeerConnectionFactory) * factory; |
| RTC_OBJC_TYPE(RTCVideoTrack) * videoTrack; |
| |
| @autoreleasepool { |
| factory = [[RTC_OBJC_TYPE(RTCPeerConnectionFactory) alloc] init]; |
| videoTrack = [factory videoTrackWithSource:[factory videoSource] trackId:@"videoTrack"]; |
| XCTAssertNotNil(videoTrack); |
| factory = nil; |
| } |
| videoTrack = nil; |
| } |
| |
| XCTAssertTrue(true, "Expect test does not crash"); |
| } |
| |
| - (void)testRollback { |
| @autoreleasepool { |
| RTC_OBJC_TYPE(RTCConfiguration) *config = [[RTC_OBJC_TYPE(RTCConfiguration) alloc] init]; |
| config.sdpSemantics = RTCSdpSemanticsUnifiedPlan; |
| RTC_OBJC_TYPE(RTCMediaConstraints) *constraints = |
| [[RTC_OBJC_TYPE(RTCMediaConstraints) alloc] initWithMandatoryConstraints:@{ |
| kRTCMediaConstraintsOfferToReceiveAudio : kRTCMediaConstraintsValueTrue |
| } |
| optionalConstraints:nil]; |
| |
| __block RTC_OBJC_TYPE(RTCPeerConnectionFactory) * factory; |
| __block RTC_OBJC_TYPE(RTCPeerConnection) * pc1; |
| RTC_OBJC_TYPE(RTCSessionDescription) *rollback = |
| [[RTC_OBJC_TYPE(RTCSessionDescription) alloc] initWithType:RTCSdpTypeRollback sdp:@""]; |
| |
| @autoreleasepool { |
| factory = [[RTC_OBJC_TYPE(RTCPeerConnectionFactory) alloc] init]; |
| pc1 = [factory peerConnectionWithConfiguration:config constraints:constraints delegate:nil]; |
| dispatch_semaphore_t negotiatedSem = dispatch_semaphore_create(0); |
| [pc1 offerForConstraints:constraints |
| completionHandler:^(RTC_OBJC_TYPE(RTCSessionDescription) * offer, NSError * error) { |
| XCTAssertNil(error); |
| XCTAssertNotNil(offer); |
| |
| __weak RTC_OBJC_TYPE(RTCPeerConnection) *weakPC1 = pc1; |
| [pc1 setLocalDescription:offer |
| completionHandler:^(NSError *error) { |
| XCTAssertNil(error); |
| [weakPC1 setLocalDescription:rollback |
| completionHandler:^(NSError *error) { |
| XCTAssertNil(error); |
| }]; |
| }]; |
| NSTimeInterval negotiationTimeout = 15; |
| dispatch_semaphore_wait( |
| negotiatedSem, |
| dispatch_time(DISPATCH_TIME_NOW, (int64_t)(negotiationTimeout * NSEC_PER_SEC))); |
| |
| XCTAssertEqual(pc1.signalingState, RTCSignalingStateStable); |
| |
| [pc1 close]; |
| pc1 = nil; |
| factory = nil; |
| }]; |
| } |
| |
| XCTAssertTrue(true, "Expect test does not crash"); |
| } |
| } |
| |
| - (void)testSenderCapabilities { |
| @autoreleasepool { |
| RTC_OBJC_TYPE(RTCPeerConnectionFactory) * factory; |
| MockVideoEncoderDecoderFactory *encoder; |
| MockVideoEncoderDecoderFactory *decoder; |
| |
| NSArray<RTC_OBJC_TYPE(RTCVideoCodecInfo) *> *supportedCodecs = @[ |
| [[RTC_OBJC_TYPE(RTCVideoCodecInfo) alloc] initWithName:@"VP8"], |
| [[RTC_OBJC_TYPE(RTCVideoCodecInfo) alloc] initWithName:@"H264"] |
| ]; |
| |
| encoder = [[MockVideoEncoderDecoderFactory alloc] initWithSupportedCodecs:supportedCodecs]; |
| decoder = [[MockVideoEncoderDecoderFactory alloc] initWithSupportedCodecs:supportedCodecs]; |
| factory = [[RTC_OBJC_TYPE(RTCPeerConnectionFactory) alloc] initWithEncoderFactory:encoder |
| decoderFactory:decoder]; |
| |
| RTC_OBJC_TYPE(RTCRtpCapabilities) *capabilities = |
| [factory rtpSenderCapabilitiesForKind:kRTCMediaStreamTrackKindVideo]; |
| NSMutableArray<NSString *> *codecNames = [NSMutableArray new]; |
| for (RTC_OBJC_TYPE(RTCRtpCodecCapability) * codec in capabilities.codecs) { |
| [codecNames addObject:codec.name]; |
| } |
| |
| XCTAssertTrue([codecNames containsObject:@"VP8"]); |
| XCTAssertTrue([codecNames containsObject:@"H264"]); |
| factory = nil; |
| } |
| } |
| |
| - (void)testReceiverCapabilities { |
| @autoreleasepool { |
| RTC_OBJC_TYPE(RTCPeerConnectionFactory) * factory; |
| MockVideoEncoderDecoderFactory *encoder; |
| MockVideoEncoderDecoderFactory *decoder; |
| |
| NSArray<RTC_OBJC_TYPE(RTCVideoCodecInfo) *> *supportedCodecs = @[ |
| [[RTC_OBJC_TYPE(RTCVideoCodecInfo) alloc] initWithName:@"VP8"], |
| [[RTC_OBJC_TYPE(RTCVideoCodecInfo) alloc] initWithName:@"H264"] |
| ]; |
| |
| encoder = [[MockVideoEncoderDecoderFactory alloc] initWithSupportedCodecs:supportedCodecs]; |
| decoder = [[MockVideoEncoderDecoderFactory alloc] initWithSupportedCodecs:supportedCodecs]; |
| factory = [[RTC_OBJC_TYPE(RTCPeerConnectionFactory) alloc] initWithEncoderFactory:encoder |
| decoderFactory:decoder]; |
| |
| RTC_OBJC_TYPE(RTCRtpCapabilities) *capabilities = |
| [factory rtpReceiverCapabilitiesForKind:kRTCMediaStreamTrackKindVideo]; |
| NSMutableArray<NSString *> *codecNames = [NSMutableArray new]; |
| for (RTC_OBJC_TYPE(RTCRtpCodecCapability) * codec in capabilities.codecs) { |
| [codecNames addObject:codec.name]; |
| } |
| |
| XCTAssertTrue([codecNames containsObject:@"VP8"]); |
| XCTAssertTrue([codecNames containsObject:@"H264"]); |
| factory = nil; |
| } |
| } |
| |
| - (void)testSetCodecPreferences { |
| @autoreleasepool { |
| RTC_OBJC_TYPE(RTCConfiguration) *config = [[RTC_OBJC_TYPE(RTCConfiguration) alloc] init]; |
| RTC_OBJC_TYPE(RTCMediaConstraints) *constraints = |
| [[RTC_OBJC_TYPE(RTCMediaConstraints) alloc] initWithMandatoryConstraints:nil |
| optionalConstraints:nil]; |
| RTC_OBJC_TYPE(RTCRtpTransceiverInit) *init = |
| [[RTC_OBJC_TYPE(RTCRtpTransceiverInit) alloc] init]; |
| |
| NSArray<RTC_OBJC_TYPE(RTCVideoCodecInfo) *> *supportedCodecs = @[ |
| [[RTC_OBJC_TYPE(RTCVideoCodecInfo) alloc] initWithName:@"VP8"], |
| [[RTC_OBJC_TYPE(RTCVideoCodecInfo) alloc] initWithName:@"H264"] |
| ]; |
| |
| MockVideoEncoderDecoderFactory *encoder = |
| [[MockVideoEncoderDecoderFactory alloc] initWithSupportedCodecs:supportedCodecs]; |
| MockVideoEncoderDecoderFactory *decoder = |
| [[MockVideoEncoderDecoderFactory alloc] initWithSupportedCodecs:supportedCodecs]; |
| |
| RTC_OBJC_TYPE(RTCPeerConnectionFactory) * factory; |
| RTC_OBJC_TYPE(RTCPeerConnection) * peerConnection; |
| RTC_OBJC_TYPE(RTCRtpTransceiver) * tranceiver; |
| factory = [[RTC_OBJC_TYPE(RTCPeerConnectionFactory) alloc] initWithEncoderFactory:encoder |
| decoderFactory:decoder]; |
| |
| peerConnection = [factory peerConnectionWithConfiguration:config |
| constraints:constraints |
| delegate:nil]; |
| tranceiver = [peerConnection addTransceiverOfType:RTCRtpMediaTypeVideo init:init]; |
| XCTAssertNotNil(tranceiver); |
| |
| RTC_OBJC_TYPE(RTCRtpCapabilities) *capabilities = |
| [factory rtpReceiverCapabilitiesForKind:kRTCMediaStreamTrackKindVideo]; |
| |
| RTC_OBJC_TYPE(RTCRtpCodecCapability) * targetCodec; |
| for (RTC_OBJC_TYPE(RTCRtpCodecCapability) * codec in capabilities.codecs) { |
| if ([codec.name isEqual:@"VP8"]) { |
| targetCodec = codec; |
| break; |
| } |
| } |
| XCTAssertNotNil(targetCodec); |
| |
| [tranceiver setCodecPreferences:@[ targetCodec ]]; |
| |
| @autoreleasepool { |
| dispatch_semaphore_t semaphore = dispatch_semaphore_create(0); |
| |
| __block BOOL completed = NO; |
| [peerConnection |
| offerForConstraints:constraints |
| completionHandler:^(RTC_OBJC_TYPE(RTCSessionDescription) *_Nullable sdp, |
| NSError *_Nullable error) { |
| XCTAssertNil(error); |
| XCTAssertNotNil(sdp); |
| |
| NSArray<NSString *> *rtpMaps = [self rtpMapsFromSDP:sdp.sdp]; |
| XCTAssertEqual(1, rtpMaps.count); |
| |
| XCTAssertNotNil(targetCodec.preferredPayloadType); |
| XCTAssertNotNil(targetCodec.clockRate); |
| |
| NSString *expected = |
| [NSString stringWithFormat:@"a=rtpmap:%i VP8/%i", |
| targetCodec.preferredPayloadType.intValue, |
| targetCodec.clockRate.intValue]; |
| |
| XCTAssertTrue([expected isEqualToString:rtpMaps[0]]); |
| |
| completed = YES; |
| dispatch_semaphore_signal(semaphore); |
| }]; |
| |
| [peerConnection close]; |
| peerConnection = nil; |
| factory = nil; |
| tranceiver = nil; |
| |
| dispatch_semaphore_wait(semaphore, dispatch_time(DISPATCH_TIME_NOW, 15.0 * NSEC_PER_SEC)); |
| XCTAssertTrue(completed); |
| } |
| } |
| } |
| |
| - (bool)negotiatePeerConnection:(RTC_OBJC_TYPE(RTCPeerConnection) *)pc1 |
| withPeerConnection:(RTC_OBJC_TYPE(RTCPeerConnection) *)pc2 |
| negotiationTimeout:(NSTimeInterval)timeout { |
| __weak RTC_OBJC_TYPE(RTCPeerConnection) *weakPC1 = pc1; |
| __weak RTC_OBJC_TYPE(RTCPeerConnection) *weakPC2 = pc2; |
| RTC_OBJC_TYPE(RTCMediaConstraints) *sdpConstraints = |
| [[RTC_OBJC_TYPE(RTCMediaConstraints) alloc] initWithMandatoryConstraints:@{ |
| kRTCMediaConstraintsOfferToReceiveAudio : kRTCMediaConstraintsValueTrue |
| } |
| optionalConstraints:nil]; |
| |
| dispatch_semaphore_t negotiatedSem = dispatch_semaphore_create(0); |
| [weakPC1 offerForConstraints:sdpConstraints |
| completionHandler:^(RTC_OBJC_TYPE(RTCSessionDescription) * offer, NSError * error) { |
| XCTAssertNil(error); |
| XCTAssertNotNil(offer); |
| [weakPC1 |
| setLocalDescription:offer |
| completionHandler:^(NSError *error) { |
| XCTAssertNil(error); |
| [weakPC2 |
| setRemoteDescription:offer |
| completionHandler:^(NSError *error) { |
| XCTAssertNil(error); |
| [weakPC2 |
| answerForConstraints:sdpConstraints |
| completionHandler:^( |
| RTC_OBJC_TYPE(RTCSessionDescription) * answer, |
| NSError * error) { |
| XCTAssertNil(error); |
| XCTAssertNotNil(answer); |
| [weakPC2 |
| setLocalDescription:answer |
| completionHandler:^(NSError *error) { |
| XCTAssertNil(error); |
| [weakPC1 |
| setRemoteDescription:answer |
| completionHandler:^(NSError *error) { |
| XCTAssertNil(error); |
| dispatch_semaphore_signal(negotiatedSem); |
| }]; |
| }]; |
| }]; |
| }]; |
| }]; |
| }]; |
| |
| return 0 == |
| dispatch_semaphore_wait(negotiatedSem, |
| dispatch_time(DISPATCH_TIME_NOW, (int64_t)(timeout * NSEC_PER_SEC))); |
| } |
| |
| - (NSArray<NSString *> *)rtpMapsFromSDP:(NSString *)sdp { |
| NSMutableArray<NSString *> *rtpMaps = [NSMutableArray new]; |
| NSArray *sdpLines = |
| [sdp componentsSeparatedByCharactersInSet:[NSCharacterSet newlineCharacterSet]]; |
| for (NSString *line in sdpLines) { |
| if ([line hasPrefix:@"a=rtpmap"]) { |
| [rtpMaps addObject:line]; |
| } |
| } |
| return rtpMaps; |
| } |
| |
| @end |
