tencent cloud

// Obtain the video rendering control for displaying the anchor's local video preview
@property (nonatomic, strong) UIView *anchorPreviewView;
@property (nonatomic, strong) TRTCCloud *trtcCloud;

- (void)setupTRTC {
    self.trtcCloud = [TRTCCloud sharedInstance];
    self.trtcCloud.delegate = self;
    // Set video encoding parameters to determine the picture quality seen by remote users
    TRTCVideoEncParam *encParam = [[TRTCVideoEncParam alloc] init];
    encParam.videoResolution = TRTCVideoResolution_960_540;
    encParam.videoFps = 15;
    encParam.videoBitrate = 1300;
    encParam.resMode = TRTCVideoResolutionModePortrait;
    [self.trtcCloud setVideoEncoderParam:encParam];
    
    // isFrontCamera can specify the use of front/rear camera for video capture
    [self.trtcCloud startLocalPreview:self.isFrontCamera view:self.anchorPreviewView];

    // Here you can specify the audio quality, from low to high as SPEECH/DEFAULT/MUSIC
    [self.trtcCloud startLocalAudio:TRTCAudioQualityDefault];
}

- (void)setupRenderParams {
    TRTCRenderParams *params = [[TRTCRenderParams alloc] init];
    // Video mirror mode
    params.mirrorType = TRTCVideoMirrorTypeAuto;
    // Video fill mode
    params.fillMode = TRTCVideoFillMode_Fill;
    // Video rotation angle
    params.rotation = TRTCVideoRotation_0;
    // Set the rendering parameters for the local video
    [self.trtcCloud setLocalRenderParams:params];

    // Set the video mirror mode for the encoder output
    [self.trtcCloud setVideoEncoderMirror:YES];
    // Set the rotation of the video encoder output
    [self.trtcCloud setVideoEncoderRotation:TRTCVideoRotation_0];
}

- (void)enterRoomByAnchorWithUserId:(NSString *)userId roomId:(NSString *)roomId {
    TRTCParams *params = [[TRTCParams alloc] init];
    // Take the room ID string as an example
    params.strRoomId = roomId;
    params.userId = userId;
    // UserSig obtained from the business backend
    params.userSig = @"userSig";
    // Replace with your SDKAppID
    params.sdkAppId = 0;
    // Specify the anchor role
    params.role = TRTCRoleAnchor;
    // Enter the room in an interactive live streaming scenario
    [self.trtcCloud enterRoom:params appScene:TRTCAppSceneLIVE];
}

// Event callback for the result of entering the room
- (void)onEnterRoom:(NSInteger)result {
    if (result > 0) {
        // The result represents the time taken to join the room (in milliseconds)
        NSLog(@"Enter room succeed!");
    } else {
        // The result represents the error code fwhen you fail to enter the room
        NSLog(@"Enter room failed!");
    }
}

- (void)enterRoomByAudienceWithUserId:(NSString *)userId roomId:(NSString *)roomId {
    TRTCParams *params = [[TRTCParams alloc] init];
    // Take the room ID string as an example
    params.strRoomId = roomId;
    params.userId = userId;
    // UserSig obtained from the business backend
    params.userSig = @"userSig";
    // Replace with your SDKAppID
    params.sdkAppId = 0;
    // Specify the audience role
    params.role = TRTCRoleAudience;
    // Enter the room in an interactive live streaming scenario
    [self.trtcCloud enterRoom:params appScene:TRTCAppSceneLIVE];
}

// Event callback for the result of entering the room
- (void)onEnterRoom:(NSInteger)result {
    if (result > 0) {
        // The result represents the time taken to join the room (in milliseconds)
        NSLog(@"Enter room succeed!");
    } else {
        // The result represents the error code fwhen you fail to enter the room
        NSLog(@"Enter room failed!");
    }
}

- (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];
    }
}

- (void)setupRemoteRenderParams {
    TRTCRenderParams *params = [[TRTCRenderParams alloc] init];
    // Video mirror mode
    params.mirrorType = TRTCVideoMirrorTypeAuto;
    // Video fill mode
    params.fillMode = TRTCVideoFillMode_Fill;
    // Video rotation angle
    params.rotation = TRTCVideoRotation_0;
    // Set the rendering mode for the remote video
    [self.trtcCloud setRemoteRenderParams:@"userId" streamType:TRTCVideoStreamTypeBig params:params];
}

- (void)switchToAnchor {
    // Switch to the anchor role
    [self.trtcCloud switchRole:TRTCRoleAnchor];
}

// Event callback for switching role
- (void)onSwitchRole:(TXLiteAVError)errCode errMsg:(NSString *)errMsg {
    if (errCode == ERR_NULL) {
        // Role switched successfully
    }
}

- (void)setupTRTC {
    // Set video encoding parameters to determine the picture quality seen by remote users
    TRTCVideoEncParam *encParam = [[TRTCVideoEncParam alloc] init];
    encParam.videoResolution = TRTCVideoResolution_480_270;
    encParam.videoFps = 15;
    encParam.videoBitrate = 550;
    encParam.resMode = TRTCVideoResolutionModePortrait;
    [self.trtcCloud setVideoEncoderParam:encParam];
 
    // isFrontCamera can specify the use of front/rear camera for video capture
    [self.trtcCloud startLocalPreview:self.isFrontCamera view:self.audiencePreviewView];
    // Here you can specify the audio quality, from low to high as SPEECH/DEFAULT/MUSIC
    [self.trtcCloud startLocalAudio:TRTCAudioQualityDefault];
}

- (void)switchToAudience {
    // Switch to the audience role
    [self.trtcCloud switchRole:TRTCRoleAudience];
}

// Event callback for switching role
- (void)onSwitchRole:(TXLiteAVError)errCode errMsg:(NSString *)errMsg {
    if (errCode == ERR_NULL) {
        // Stop camera capture and streaming
        [self.trtcCloud stopLocalPreview];
        // Stop microphone capture and streaming
        [self.trtcCloud stopLocalAudio];
    }
}

- (void)exitRoom {
    [self.trtcCloud stopLocalAudio];
    [self.trtcCloud stopLocalPreview];
    [self.trtcCloud exitRoom];
}

// Event callback for exiting the room
- (void)onExitRoom:(NSInteger)reason {
    if (reason == 0) {
        NSLog(@"Proactively call exitRoom to exit the room");
    } else if (reason == 1) {
        NSLog(@"Removed from the current room by the server");
    } else if (reason == 2) {
        NSLog(@"The current room is dissolved");
    }
}

// Obtain the video rendering control for displaying the anchor's local video preview
@property (nonatomic, strong) UIView *anchorPreviewView;


- (void)setupTRTC {
    self.trtcCloud = [TRTCCloud sharedInstance];
    self.trtcCloud.delegate = self;
    // Set video encoding parameters to determine the picture quality seen by remote users
    TRTCVideoEncParam *encParam = [[TRTCVideoEncParam alloc] init];
    encParam.videoResolution = TRTCVideoResolution_960_540;
    encParam.videoFps = 15;
    encParam.videoBitrate = 1300;
    encParam.resMode = TRTCVideoResolutionModePortrait;
    [self.trtcCloud setVideoEncoderParam:encParam];

    // isFrontCamera can specify the use of front/rear camera for video capture
    [self.trtcCloud startLocalPreview:self.isFrontCamera view:self.anchorPreviewView];
    
    // Here you can specify the audio quality, from low to high as SPEECH/DEFAULT/MUSIC
    [self.trtcCloud startLocalAudio:TRTCAudioQualityDefault];
}

- (void)setupRenderParams {
    TRTCRenderParams *params = [[TRTCRenderParams alloc] init];
    // Video mirror mode
    params.mirrorType = TRTCVideoMirrorTypeAuto;
    // Video fill mode
    params.fillMode = TRTCVideoFillMode_Fill;
    // Video rotation angle
    params.rotation = TRTCVideoRotation_0;
    // Set the rendering parameters for the local video
    [self.trtcCloud setLocalRenderParams:params];
    
    // Set the video mirror mode for the encoder output
    [self.trtcCloud setVideoEncoderMirror:YES];
    // Set the rotation of the video encoder output
    [self.trtcCloud setVideoEncoderRotation:TRTCVideoRotation_0];
}

- (void)enterRoomByAnchorWithUserId:(NSString *)userId roomId:(NSString *)roomId {
    TRTCParams *params = [[TRTCParams alloc] init];
    // Take the room ID string as an example
    params.strRoomId = roomId;
    params.userId = userId;
    // UserSig obtained from the business backend
    params.userSig = @"userSig";
    // Replace with your SDKAppID
    params.sdkAppId = 0;
    // Specify the anchor role
    params.role = TRTCRoleAnchor;
    // Enter the room in an interactive live streaming scenario
    [self.trtcCloud enterRoom:params appScene:TRTCAppSceneLIVE];
}

// Event callback for the result of entering the room
- (void)onEnterRoom:(NSInteger)result {
    if (result > 0) {
        // The result represents the time taken to join the room (in milliseconds)
        NSLog(@"Enter room succeed!");
    } else {
        // The result represents the error code fwhen you fail to enter the room
        NSLog(@"Enter room failed!");
    }
}