/* * 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 #import "RTCCertificate.h" #import "RTCCryptoOptions.h" #import "RTCMacros.h" @class RTC_OBJC_TYPE(RTCIceServer); /** * Represents the ice transport policy. This exposes the same states in C++, * which include one more state than what exists in the W3C spec. */ typedef NS_ENUM(NSInteger, RTCIceTransportPolicy) { RTCIceTransportPolicyNone, RTCIceTransportPolicyRelay, RTCIceTransportPolicyNoHost, RTCIceTransportPolicyAll }; /** Represents the bundle policy. */ typedef NS_ENUM(NSInteger, RTCBundlePolicy) { RTCBundlePolicyBalanced, RTCBundlePolicyMaxCompat, RTCBundlePolicyMaxBundle }; /** Represents the rtcp mux policy. */ typedef NS_ENUM(NSInteger, RTCRtcpMuxPolicy) { RTCRtcpMuxPolicyNegotiate, RTCRtcpMuxPolicyRequire }; /** Represents the tcp candidate policy. */ typedef NS_ENUM(NSInteger, RTCTcpCandidatePolicy) { RTCTcpCandidatePolicyEnabled, RTCTcpCandidatePolicyDisabled }; /** Represents the candidate network policy. */ typedef NS_ENUM(NSInteger, RTCCandidateNetworkPolicy) { RTCCandidateNetworkPolicyAll, RTCCandidateNetworkPolicyLowCost }; /** Represents the continual gathering policy. */ typedef NS_ENUM(NSInteger, RTCContinualGatheringPolicy) { RTCContinualGatheringPolicyGatherOnce, RTCContinualGatheringPolicyGatherContinually }; /** Represents the encryption key type. */ typedef NS_ENUM(NSInteger, RTCEncryptionKeyType) { RTCEncryptionKeyTypeRSA, RTCEncryptionKeyTypeECDSA, }; /** Represents the chosen SDP semantics for the RTCPeerConnection. */ typedef NS_ENUM(NSInteger, RTCSdpSemantics) { RTCSdpSemanticsPlanB, RTCSdpSemanticsUnifiedPlan, }; NS_ASSUME_NONNULL_BEGIN RTC_OBJC_EXPORT @interface RTC_OBJC_TYPE (RTCConfiguration) : NSObject /** If true, allows DSCP codes to be set on outgoing packets, configured using * networkPriority field of RTCRtpEncodingParameters. Defaults to false. */ @property(nonatomic, assign) BOOL enableDscp; /** An array of Ice Servers available to be used by ICE. */ @property(nonatomic, copy) NSArray *iceServers; /** An RTCCertificate for 're' use. */ @property(nonatomic, nullable) RTC_OBJC_TYPE(RTCCertificate) * certificate; /** Which candidates the ICE agent is allowed to use. The W3C calls it * |iceTransportPolicy|, while in C++ it is called |type|. */ @property(nonatomic, assign) RTCIceTransportPolicy iceTransportPolicy; /** The media-bundling policy to use when gathering ICE candidates. */ @property(nonatomic, assign) RTCBundlePolicy bundlePolicy; /** The rtcp-mux policy to use when gathering ICE candidates. */ @property(nonatomic, assign) RTCRtcpMuxPolicy rtcpMuxPolicy; @property(nonatomic, assign) RTCTcpCandidatePolicy tcpCandidatePolicy; @property(nonatomic, assign) RTCCandidateNetworkPolicy candidateNetworkPolicy; @property(nonatomic, assign) RTCContinualGatheringPolicy continualGatheringPolicy; /** If set to YES, don't gather IPv6 ICE candidates. * Default is NO. */ @property(nonatomic, assign) BOOL disableIPV6; /** If set to YES, don't gather IPv6 ICE candidates on Wi-Fi. * Only intended to be used on specific devices. Certain phones disable IPv6 * when the screen is turned off and it would be better to just disable the * IPv6 ICE candidates on Wi-Fi in those cases. * Default is NO. */ @property(nonatomic, assign) BOOL disableIPV6OnWiFi; /** By default, the PeerConnection will use a limited number of IPv6 network * interfaces, in order to avoid too many ICE candidate pairs being created * and delaying ICE completion. * * Can be set to INT_MAX to effectively disable the limit. */ @property(nonatomic, assign) int maxIPv6Networks; /** Exclude link-local network interfaces * from considertaion for gathering ICE candidates. * Defaults to NO. */ @property(nonatomic, assign) BOOL disableLinkLocalNetworks; @property(nonatomic, assign) int audioJitterBufferMaxPackets; @property(nonatomic, assign) BOOL audioJitterBufferFastAccelerate; @property(nonatomic, assign) int iceConnectionReceivingTimeout; @property(nonatomic, assign) int iceBackupCandidatePairPingInterval; /** Key type used to generate SSL identity. Default is ECDSA. */ @property(nonatomic, assign) RTCEncryptionKeyType keyType; /** ICE candidate pool size as defined in JSEP. Default is 0. */ @property(nonatomic, assign) int iceCandidatePoolSize; /** Prune turn ports on the same network to the same turn server. * Default is NO. */ @property(nonatomic, assign) BOOL shouldPruneTurnPorts; /** If set to YES, this means the ICE transport should presume TURN-to-TURN * candidate pairs will succeed, even before a binding response is received. */ @property(nonatomic, assign) BOOL shouldPresumeWritableWhenFullyRelayed; /* This flag is only effective when |continualGatheringPolicy| is * RTCContinualGatheringPolicyGatherContinually. * * If YES, after the ICE transport type is changed such that new types of * ICE candidates are allowed by the new transport type, e.g. from * RTCIceTransportPolicyRelay to RTCIceTransportPolicyAll, candidates that * have been gathered by the ICE transport but not matching the previous * transport type and as a result not observed by PeerConnectionDelegateAdapter, * will be surfaced to the delegate. */ @property(nonatomic, assign) BOOL shouldSurfaceIceCandidatesOnIceTransportTypeChanged; /** If set to non-nil, controls the minimal interval between consecutive ICE * check packets. */ @property(nonatomic, copy, nullable) NSNumber *iceCheckMinInterval; /** Configure the SDP semantics used by this PeerConnection. Note that the * WebRTC 1.0 specification requires UnifiedPlan semantics. The * RTCRtpTransceiver API is only available with UnifiedPlan semantics. * * PlanB will cause RTCPeerConnection to create offers and answers with at * most one audio and one video m= section with multiple RTCRtpSenders and * RTCRtpReceivers specified as multiple a=ssrc lines within the section. This * will also cause RTCPeerConnection to ignore all but the first m= section of * the same media type. * * UnifiedPlan will cause RTCPeerConnection to create offers and answers with * multiple m= sections where each m= section maps to one RTCRtpSender and one * RTCRtpReceiver (an RTCRtpTransceiver), either both audio or both * video. This will also cause RTCPeerConnection) to ignore all but the first a=ssrc * lines that form a Plan B stream. * * For users who wish to send multiple audio/video streams and need to stay * interoperable with legacy WebRTC implementations or use legacy APIs, * specify PlanB. * * For all other users, specify UnifiedPlan. */ @property(nonatomic, assign) RTCSdpSemantics sdpSemantics; /** Actively reset the SRTP parameters when the DTLS transports underneath are * changed after offer/answer negotiation. This is only intended to be a * workaround for crbug.com/835958 */ @property(nonatomic, assign) BOOL activeResetSrtpParams; /** If the remote side support mid-stream codec switches then allow encoder * switching to be performed. */ @property(nonatomic, assign) BOOL allowCodecSwitching; /** * Defines advanced optional cryptographic settings related to SRTP and * frame encryption for native WebRTC. Setting this will overwrite any * options set through the PeerConnectionFactory (which is deprecated). */ @property(nonatomic, nullable) RTC_OBJC_TYPE(RTCCryptoOptions) * cryptoOptions; /** * Time interval between audio RTCP reports. */ @property(nonatomic, assign) int rtcpAudioReportIntervalMs; /** * Time interval between video RTCP reports. */ @property(nonatomic, assign) int rtcpVideoReportIntervalMs; - (instancetype)init; @end NS_ASSUME_NONNULL_END