tencent cloud

sudo gem install cocoapods

pod init

platform :ios, '8.0'
    target 'App' do
    
    # TRTC Lite Edition
    # The installation package has the minimum incremental size. But it only supports two features of Real-Time Communication (TRTC) and TXLivePlayer for live streaming playback.
    pod 'TXLiteAVSDK_TRTC', :podspec => 'https://liteav.sdk.qcloud.com/pod/liteavsdkspec/TXLiteAVSDK_TRTC.podspec'
    
    # Pro Edition
    # Includes a wide range of features such as Real-Time Communication (TRTC), TXLivePlayer for live streaming playback, TXLivePusher for RTMP push streams, TXVodPlayer for on-demand playback, and UGSV for short video recording and editing.
    # pod 'TXLiteAVSDK_Professional', :podspec => 'https://liteav.sdk.qcloud.com/pod/liteavsdkspec/TXLiteAVSDK_Professional.podspec'
    
    # Tencent Effect SDK example of S1-07 package is as follows:
    pod 'TencentEffect_S1-07'

end

pod install

pod update

// 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 using the 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) {
        // result indicates the time taken (in milliseconds) to join the room.
        NSLog(@"Enter room succeed!");
    } else {
        // result indicates the error code when 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) {
        // result indicates the time taken (in milliseconds) to join the room.
        NSLog(@"Enter room succeed!");
    } else {
        // result indicates the error code when 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 {
    // Switched to the anchor role.
    [self.trtcCloud switchRole:TRTCRoleAnchor];
}

// Event callback for switching the 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 using the 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 {
    // Switched to the audience role.
    [self.trtcCloud switchRole:TRTCRoleAudience];
}

// Event callback for switching the 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 using the 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) {
        // result indicates the time taken (in milliseconds) to join the room.
        NSLog(@"Enter room succeed!");
    } else {
        // result indicates the error code when you fail to enter the room.
        NSLog(@"Enter room failed!");
    }
}

- (void)startPublishMediaToCDN:(NSString *)streamName {
    NSDate *date = [NSDate dateWithTimeIntervalSinceNow:0];
    // Set the expiration time for the push URLs.
    NSTimeInterval time = [date timeIntervalSince1970] + (24 * 60 * 60);
    // Generate authentication information. The getSafeUrl method can be obtained in the CSS console - Domain Name Management - Push Configuration - Sample Code for Push URLs.
    NSString *secretParam = [self getSafeUrl:LIVE_URL_KEY streamName:streamName time:time];
    
    // The target URLs for media stream publication.
    TRTCPublishTarget* target = [[TRTCPublishTarget alloc] init];
    // The target URLs are set for relaying to CDN.
    target.mode = TRTCPublishBigStreamToCdn;
    TRTCPublishCdnUrl* cdnUrl = [[TRTCPublishCdnUrl alloc] init];
    // Construct push URLs (in RTMP format) to the live streaming service provider.
    cdnUrl.rtmpUrl = [NSString stringWithFormat:@"rtmp://%@/live/%@?%@", PUSH_DOMAIN, streamName, secretParam];
    // True means Tencent CSS push URLs, and false means third-party services.
    cdnUrl.isInternalLine = YES;
    NSMutableArray* cdnUrlList = [NSMutableArray array];
    // Multiple CDN push URLs can be added.
    [cdnUrlList addObject:cdnUrl];
    target.cdnUrlList = cdnUrlList;
    
    // Set media stream encoding output parameters (can be defined according to business needs).
    TRTCStreamEncoderParam* encoderParam = [[TRTCStreamEncoderParam alloc] init];
    encoderParam.audioEncodedSampleRate = 48000;
    encoderParam.audioEncodedChannelNum = 1;
    encoderParam.audioEncodedKbps = 50;
    encoderParam.audioEncodedCodecType = 0;
    encoderParam.videoEncodedWidth = 540;
    encoderParam.videoEncodedHeight = 960;
    encoderParam.videoEncodedFPS = 15;
    encoderParam.videoEncodedGOP = 2;
    encoderParam.videoEncodedKbps = 1300;

    // Start publishing media streams.
    [self.trtcCloud startPublishMediaStream:target encoderParam:encoderParam mixingConfig:nil];
}

- (void)onStartPublishMediaStream:(NSString *)taskId code:(int)code message:(NSString *)message extraInfo:(NSDictionary *)extraInfo {
    // taskId: When the request is successful, TRTC backend will provide the taskId of this task in the callback. You can later use this taskId with updatePublishMediaStream and stopPublishMediaStream to update and stop.
    // code: Callback result. 0 means success and other values mean failure.
}

// Initialize the player.
self.livePlayer = [[V2TXLivePlayer alloc] init];
// Set the player callback listener.
[self.livePlayer setObserver:self];
// Set the video rendering control for the player.
[self.livePlayer setRenderView:self.remoteView];
// Set delay management mode (optional).
[self.livePlayer setCacheParams:1.f maxTime:5.f]; // Auto mode
[self.livePlayer setCacheParams:1.f maxTime:1.f]; // Speed mode
[self.livePlayer setCacheParams:5.f maxTime:5.f]; // Smooth mode

// Concatenate the pull URLs for playback.
NSString *flvUrl = [NSString stringWithFormat:@"http://%@/live/%@.flv", PLAY_DOMAIN, streamName];
NSString *hlsUrl = [NSString stringWithFormat:@"http://%@/live/%@.m3u8", PLAY_DOMAIN, streamName];
NSString *rtmpUrl = [NSString stringWithFormat:@"rtmp://%@/live/%@", PLAY_DOMAIN, streamName];
NSString *webrtcUrl = [NSString stringWithFormat:@"webrtc://%@/live/%@", PLAY_DOMAIN, streamName];

// Start playing.
[self.livePlayer startLivePlay:flvUrl];

// Custom set fill mode (optional).
[self.livePlayer setRenderFillMode:V2TXLiveFillModeFit];
// Custom video rendering direction (optional).
[self.livePlayer setRenderRotation:V2TXLiveRotation0];