Cross-Room Co-Hosting & Battles

- (void)connectOtherRoom:(NSString *)roomId {
    NSMutableDictionary *jsonDict = [[NSMutableDictionary alloc] init];
    // Take the room ID string as an example, numeric room ID key:roomId
    [jsonDict setObject:roomId forKey:@"strRoomId"];
    [jsonDict setObject:self.userId forKey:@"userId"];
    NSData *jsonData = [NSJSONSerialization dataWithJSONObject:jsonDict options:NSJSONWritingPrettyPrinted error:nil];
    NSString *jsonString = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
    [self.trtcCloud connectOtherRoom:jsonString];
}

// Result callback for requesting cross-room mic-connection.
- (void)onConnectOtherRoom:(NSString *)userId errCode:(TXLiteAVError)errCode errMsg:(NSString *)errMsg {
    // userId: The user ID of the anchor in the other room you want to initiate the cross-room link-up
    // errCode: Error code. ERR_NULL indicates the request is successful
    // errMsg: Error message
}

- (void)onUserAudioAvailable:(NSString *)userId available:(BOOL)available {
    // The remote user publishes/unpublishes their audio.
    // Under the automatic subscription mode, you do not need to do anything. The SDK will automatically play the remote user's audio.
}

- (void)onUserVideoAvailable:(NSString *)userId available:(BOOL)available {
    // The remote user publishes/unpublishes the primary video.
    if (available) {
        // Subscribe to the remote user's video stream and bind the video rendering control.
        [self.trtcCloud startRemoteView:userId streamType:TRTCVideoStreamTypeBig view:self.remoteView];
    } else {
        // Unsubscribe to the remote user's video stream and release the rendering control.
        [self.trtcCloud stopRemoteView:userId streamType:TRTCVideoStreamTypeBig];
    }
}

// Exiting cross-room mic-connection.
[self.trtcCloud disconnectOtherRoom];

// Result callback for exiting cross-room mic-connection.
- (void)onDisconnectOtherRoom:(TXLiteAVError)errCode errMsg:(NSString *)errMsg {
}