1*d9f75844SAndroid Build Coastguard Worker /* 2*d9f75844SAndroid Build Coastguard Worker * Copyright 2015 The WebRTC project authors. All Rights Reserved. 3*d9f75844SAndroid Build Coastguard Worker * 4*d9f75844SAndroid Build Coastguard Worker * Use of this source code is governed by a BSD-style license 5*d9f75844SAndroid Build Coastguard Worker * that can be found in the LICENSE file in the root of the source 6*d9f75844SAndroid Build Coastguard Worker * tree. An additional intellectual property rights grant can be found 7*d9f75844SAndroid Build Coastguard Worker * in the file PATENTS. All contributing project authors may 8*d9f75844SAndroid Build Coastguard Worker * be found in the AUTHORS file in the root of the source tree. 9*d9f75844SAndroid Build Coastguard Worker */ 10*d9f75844SAndroid Build Coastguard Worker 11*d9f75844SAndroid Build Coastguard Worker #import <Foundation/Foundation.h> 12*d9f75844SAndroid Build Coastguard Worker 13*d9f75844SAndroid Build Coastguard Worker #import "RTCMacros.h" 14*d9f75844SAndroid Build Coastguard Worker 15*d9f75844SAndroid Build Coastguard Worker /** 16*d9f75844SAndroid Build Coastguard Worker * Represents the session description type. This exposes the same types that are 17*d9f75844SAndroid Build Coastguard Worker * in C++, which doesn't include the rollback type that is in the W3C spec. 18*d9f75844SAndroid Build Coastguard Worker */ 19*d9f75844SAndroid Build Coastguard Worker typedef NS_ENUM(NSInteger, RTCSdpType) { 20*d9f75844SAndroid Build Coastguard Worker RTCSdpTypeOffer, 21*d9f75844SAndroid Build Coastguard Worker RTCSdpTypePrAnswer, 22*d9f75844SAndroid Build Coastguard Worker RTCSdpTypeAnswer, 23*d9f75844SAndroid Build Coastguard Worker RTCSdpTypeRollback, 24*d9f75844SAndroid Build Coastguard Worker }; 25*d9f75844SAndroid Build Coastguard Worker 26*d9f75844SAndroid Build Coastguard Worker NS_ASSUME_NONNULL_BEGIN 27*d9f75844SAndroid Build Coastguard Worker 28*d9f75844SAndroid Build Coastguard Worker RTC_OBJC_EXPORT 29*d9f75844SAndroid Build Coastguard Worker @interface RTC_OBJC_TYPE (RTCSessionDescription) : NSObject 30*d9f75844SAndroid Build Coastguard Worker 31*d9f75844SAndroid Build Coastguard Worker /** The type of session description. */ 32*d9f75844SAndroid Build Coastguard Worker @property(nonatomic, readonly) RTCSdpType type; 33*d9f75844SAndroid Build Coastguard Worker 34*d9f75844SAndroid Build Coastguard Worker /** The SDP string representation of this session description. */ 35*d9f75844SAndroid Build Coastguard Worker @property(nonatomic, readonly) NSString *sdp; 36*d9f75844SAndroid Build Coastguard Worker 37*d9f75844SAndroid Build Coastguard Worker - (instancetype)init NS_UNAVAILABLE; 38*d9f75844SAndroid Build Coastguard Worker 39*d9f75844SAndroid Build Coastguard Worker /** Initialize a session description with a type and SDP string. */ 40*d9f75844SAndroid Build Coastguard Worker - (instancetype)initWithType:(RTCSdpType)type sdp:(NSString *)sdp NS_DESIGNATED_INITIALIZER; 41*d9f75844SAndroid Build Coastguard Worker 42*d9f75844SAndroid Build Coastguard Worker + (NSString *)stringForType:(RTCSdpType)type; 43*d9f75844SAndroid Build Coastguard Worker 44*d9f75844SAndroid Build Coastguard Worker + (RTCSdpType)typeForString:(NSString *)string; 45*d9f75844SAndroid Build Coastguard Worker 46*d9f75844SAndroid Build Coastguard Worker @end 47*d9f75844SAndroid Build Coastguard Worker 48*d9f75844SAndroid Build Coastguard Worker NS_ASSUME_NONNULL_END 49