LFLiveKit视频直播录制推流上传

2018-07-13  本文已影响0人  iOS攻城狮_Runloop

1.导入LFLiveKit框架

2.自定义视频直播界面

//服务器直播流地址 #define Live_Dahuan @"rtmp://live.hkstv.hk.lxdns.com:1935/live/dahuan

#import <UIKit/UIKit.h>

@interface LFLivePreview : UIView

@property (nonatomic, strong) UIViewController * vc;

- (void)startLive;
- (void)stopLive;

@end
#import "LFLivePreview.h"
//#import "UIControl+YYAdd.h"
//#import "UIView+YYAdd.h"
#import <LFLiveKit/LFLiveKit.h>

@interface LFLivePreview ()<LFLiveSessionDelegate>

@property (nonatomic, strong) UIButton *beautyButton;
@property (nonatomic, strong) UIButton *cameraButton;
@property (nonatomic, strong) UIButton *closeButton;
@property (nonatomic, strong) UIView *containerView;
@property (nonatomic, strong) LFLiveDebug *debugInfo;
@property (nonatomic, strong) LFLiveSession *session;
@property (nonatomic, strong) UILabel *stateLabel;

@end

@implementation LFLivePreview

- (instancetype)initWithFrame:(CGRect)frame {
    if (self = [super initWithFrame:frame]) {
        self.backgroundColor = [UIColor clearColor];
        //申请视频,音频权限
        [self requestAccessForVideo];
        [self requestAccessForAudio];
        
        [self addSubview:self.containerView];
        [self.containerView addSubview:self.stateLabel];
        [self.containerView addSubview:self.closeButton];
        [self.containerView addSubview:self.cameraButton];
        [self.containerView addSubview:self.beautyButton];
    }
    return self;
}

#pragma mark -- Public Method
/**请求视频授权*/
- (void)requestAccessForVideo {
    __weak typeof(self) _self = self;
    AVAuthorizationStatus status = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeVideo];
    switch (status) {
    case AVAuthorizationStatusNotDetermined: {
        // 许可对话没有出现,发起授权许可
        [AVCaptureDevice requestAccessForMediaType:AVMediaTypeVideo completionHandler:^(BOOL granted) {
                if (granted) {
                    dispatch_async(dispatch_get_main_queue(), ^{
                        [_self.session setRunning:YES];
                    });
                }
            }];
        break;
    }
    case AVAuthorizationStatusAuthorized: {
        // 已经开启授权,可继续
        dispatch_async(dispatch_get_main_queue(), ^{
            [_self.session setRunning:YES];
        });
        break;
    }
    case AVAuthorizationStatusDenied:
    case AVAuthorizationStatusRestricted:
        // 用户明确地拒绝授权,或者相机设备无法访问

        break;
    default:
        break;
    }
}

/**请求音频授权*/
- (void)requestAccessForAudio {
    AVAuthorizationStatus status = [AVCaptureDevice authorizationStatusForMediaType:AVMediaTypeAudio];
    switch (status) {
    case AVAuthorizationStatusNotDetermined: {
        [AVCaptureDevice requestAccessForMediaType:AVMediaTypeAudio completionHandler:^(BOOL granted) {
            }];
        break;
    }
    case AVAuthorizationStatusAuthorized: {
        break;
    }
    case AVAuthorizationStatusDenied:
    case AVAuthorizationStatusRestricted:
        break;
    default:
        break;
    }
}


#pragma mark -- Getter Setter
//初始化直播会话状态
- (LFLiveSession *)session {
    if (!_session) {
        /**      发现大家有不会用横屏的请注意啦,横屏需要在ViewController  supportedInterfaceOrientations修改方向  默认竖屏  ****/
        /**      发现大家有不会用横屏的请注意啦,横屏需要在ViewController  supportedInterfaceOrientations修改方向  默认竖屏  ****/
        /**      发现大家有不会用横屏的请注意啦,横屏需要在ViewController  supportedInterfaceOrientations修改方向  默认竖屏  ****/


        /***   默认分辨率368 * 640  音频:44.1 iphone6以上48  双声道  方向竖屏 ***/
        LFLiveVideoConfiguration *videoConfiguration = [LFLiveVideoConfiguration defaultConfiguration];
        /*
        videoConfiguration.videoSize = CGSizeMake(640, 360);
        videoConfiguration.videoBitRate = 800*1024;//视频比特率
        videoConfiguration.videoMaxBitRate = 1000*1024;
        videoConfiguration.videoMinBitRate = 500*1024;
        videoConfiguration.videoFrameRate = 24;//视频帧速率
        videoConfiguration.videoMaxKeyframeInterval = 48;//视频最大关键帧间隔
        videoConfiguration.outputImageOrientation = UIInterfaceOrientationPortrait;//视频输出方向
        videoConfiguration.autorotate = NO;
        videoConfiguration.sessionPreset = LFCaptureSessionPreset720x1280;//设置采集分辨率,
         */
        //音视频初始化
        _session = [[LFLiveSession alloc] initWithAudioConfiguration:[LFLiveAudioConfiguration defaultConfiguration] videoConfiguration:videoConfiguration liveType:LFLiveRTMP];
        
        //最新写法,待cocoapods更新在使用
        
//        _session = [[LFLiveSession alloc] initWithAudioConfiguration:[LFLiveAudioConfiguration defaultConfiguration] videoConfiguration:videoConfiguration captureType:LFLiveCaptureDefaultMask];

        /**    自己定制单声道  */
        /*
           LFLiveAudioConfiguration *audioConfiguration = [LFLiveAudioConfiguration new];
           audioConfiguration.numberOfChannels = 1;
           audioConfiguration.audioBitrate = LFLiveAudioBitRate_64Kbps;
           audioConfiguration.audioSampleRate = LFLiveAudioSampleRate_44100Hz;//音频采样率
           _session = [[LFLiveSession alloc] initWithAudioConfiguration:audioConfiguration videoConfiguration:[LFLiveVideoConfiguration defaultConfiguration]];
         */

        /**    自己定制高质量音频96K */
        /*
           LFLiveAudioConfiguration *audioConfiguration = [LFLiveAudioConfiguration new];
           audioConfiguration.numberOfChannels = 2;
           audioConfiguration.audioBitrate = LFLiveAudioBitRate_96Kbps;
           audioConfiguration.audioSampleRate = LFLiveAudioSampleRate_44100Hz;
           _session = [[LFLiveSession alloc] initWithAudioConfiguration:audioConfiguration videoConfiguration:[LFLiveVideoConfiguration defaultConfiguration]];
         */

        /**    自己定制高质量音频96K 分辨率设置为540*960 方向竖屏 */

        /*
           LFLiveAudioConfiguration *audioConfiguration = [LFLiveAudioConfiguration new];
           audioConfiguration.numberOfChannels = 2;
           audioConfiguration.audioBitrate = LFLiveAudioBitRate_96Kbps;
           audioConfiguration.audioSampleRate = LFLiveAudioSampleRate_44100Hz;

           LFLiveVideoConfiguration *videoConfiguration = [LFLiveVideoConfiguration new];
           videoConfiguration.videoSize = CGSizeMake(540, 960);
           videoConfiguration.videoBitRate = 800*1024;
           videoConfiguration.videoMaxBitRate = 1000*1024;
           videoConfiguration.videoMinBitRate = 500*1024;
           videoConfiguration.videoFrameRate = 24;
           videoConfiguration.videoMaxKeyframeInterval = 48;
           videoConfiguration.orientation = UIInterfaceOrientationPortrait;
           videoConfiguration.sessionPreset = LFCaptureSessionPreset540x960;

           _session = [[LFLiveSession alloc] initWithAudioConfiguration:audioConfiguration videoConfiguration:videoConfiguration];
         */


        /**    自己定制高质量音频128K 分辨率设置为720*1280 方向竖屏 */

        /*
           LFLiveAudioConfiguration *audioConfiguration = [LFLiveAudioConfiguration new];
           audioConfiguration.numberOfChannels = 2;
           audioConfiguration.audioBitrate = LFLiveAudioBitRate_128Kbps;
           audioConfiguration.audioSampleRate = LFLiveAudioSampleRate_44100Hz;

           LFLiveVideoConfiguration *videoConfiguration = [LFLiveVideoConfiguration new];
           videoConfiguration.videoSize = CGSizeMake(720, 1280);
           videoConfiguration.videoBitRate = 800*1024;
           videoConfiguration.videoMaxBitRate = 1000*1024;
           videoConfiguration.videoMinBitRate = 500*1024;
           videoConfiguration.videoFrameRate = 15;
           videoConfiguration.videoMaxKeyframeInterval = 30;
           videoConfiguration.landscape = NO;
           videoConfiguration.sessionPreset = LFCaptureSessionPreset360x640;

           _session = [[LFLiveSession alloc] initWithAudioConfiguration:audioConfiguration videoConfiguration:videoConfiguration];
         */


        /**    自己定制高质量音频128K 分辨率设置为720*1280 方向横屏  */

        /*
           LFLiveAudioConfiguration *audioConfiguration = [LFLiveAudioConfiguration new];
           audioConfiguration.numberOfChannels = 2;
           audioConfiguration.audioBitrate = LFLiveAudioBitRate_128Kbps;
           audioConfiguration.audioSampleRate = LFLiveAudioSampleRate_44100Hz;

           LFLiveVideoConfiguration *videoConfiguration = [LFLiveVideoConfiguration new];
           videoConfiguration.videoSize = CGSizeMake(1280, 720);
           videoConfiguration.videoBitRate = 800*1024;
           videoConfiguration.videoMaxBitRate = 1000*1024;
           videoConfiguration.videoMinBitRate = 500*1024;
           videoConfiguration.videoFrameRate = 15;
           videoConfiguration.videoMaxKeyframeInterval = 30;
           videoConfiguration.landscape = YES;
           videoConfiguration.sessionPreset = LFCaptureSessionPreset720x1280;

           _session = [[LFLiveSession alloc] initWithAudioConfiguration:audioConfiguration videoConfiguration:videoConfiguration];
        */

        //音视频采集
        _session.showDebugInfo = NO;
        _session.delegate = self;//LFLiveSessionDelegate代理
        _session.preView = self;//采集视频将要呈现到的view

        
//        UIImageView *imageView = [[UIImageView alloc] init];
//        imageView.alpha = 0.8;
//        imageView.frame = CGRectMake(100, 100, 29, 29);
//        imageView.image = [UIImage imageNamed:@"ios-29x29"];
//        _session.warterMarkView = imageView;
        
    }
    return _session;
}
/**容器视图*/
- (UIView *)containerView {
    if (!_containerView) {
        _containerView = [UIView new];
        _containerView.frame = self.bounds;
        _containerView.backgroundColor = [UIColor clearColor];
        _containerView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
    }
    return _containerView;
}
/**连接状态*/
- (UILabel *)stateLabel {
    if (!_stateLabel) {
        _stateLabel = [[UILabel alloc] initWithFrame:CGRectMake(20, 20, 80, 40)];
        _stateLabel.text = @"未连接";
        _stateLabel.textColor = [UIColor whiteColor];
        _stateLabel.font = [UIFont boldSystemFontOfSize:14.f];
    }
    return _stateLabel;
}

/**关闭按钮*/
- (UIButton *)closeButton {
    if (!_closeButton) {
        _closeButton = [UIButton new];
        _closeButton.size = CGSizeMake(44, 44);
        _closeButton.left = self.width - 10 - _closeButton.width;
        _closeButton.top = 20;
        [_closeButton setImage:[UIImage imageNamed:@"close_preview"] forState:UIControlStateNormal];
        _closeButton.exclusiveTouch = YES;//独家触摸
        
        @weakify(self);
        [_closeButton addBlockForControlEvents:UIControlEventTouchUpInside block:^(id sender) {
            
            @strongify(self);
            
            [self stopLive];
            [self.vc dismissViewControllerAnimated:YES completion:nil];

            
        }];
    }
    return _closeButton;
}

/**切换前后摄像头*/
- (UIButton *)cameraButton {
    if (!_cameraButton) {
        _cameraButton = [UIButton new];
        _cameraButton.size = CGSizeMake(44, 44);
        _cameraButton.origin = CGPointMake(_closeButton.left - 10 - _cameraButton.width, 20);
        [_cameraButton setImage:[UIImage imageNamed:@"camra_preview"] forState:UIControlStateNormal];
        _cameraButton.exclusiveTouch = YES;
        __weak typeof(self) _self = self;
        [_cameraButton addBlockForControlEvents:UIControlEventTouchUpInside block:^(id sender) {
            //切换前后摄像头的方法
            AVCaptureDevicePosition devicePositon = _self.session.captureDevicePosition;
            _self.session.captureDevicePosition = (devicePositon == AVCaptureDevicePositionBack) ? AVCaptureDevicePositionFront : AVCaptureDevicePositionBack;
        }];
    }
    return _cameraButton;
}

/**是否美颜*/
- (UIButton *)beautyButton {
    if (!_beautyButton) {
        _beautyButton = [UIButton new];
        _beautyButton.size = CGSizeMake(44, 44);
        _beautyButton.origin = CGPointMake(_cameraButton.left - 10 - _beautyButton.width, 20);
        [_beautyButton setImage:[UIImage imageNamed:@"camra_beauty"] forState:UIControlStateNormal];
        [_beautyButton setImage:[UIImage imageNamed:@"camra_beauty_close"] forState:UIControlStateSelected];
        _beautyButton.exclusiveTouch = YES;
        __weak typeof(self) _self = self;
        [_beautyButton addBlockForControlEvents:UIControlEventTouchUpInside block:^(id sender) {
            //切换美颜效果GPUImage
            _self.session.beautyFace = !_self.session.beautyFace;
            _self.beautyButton.selected = !_self.session.beautyFace;
        }];
    }
    return _beautyButton;
}


/**开启直播*/
- (void)startLive {
    
    //开启直播
    LFLiveStreamInfo *stream = [LFLiveStreamInfo new];
    stream.url = Live_Dahuan;
    //推送直播流
    [self.session startLive:stream];
}
/**结束直播*/
- (void)stopLive {
    
    //结束直播
    [self.session stopLive];
}



#pragma mark -- LFStreamingSessionDelegate
/** 直播状态的回调 */
- (void)liveSession:(nullable LFLiveSession *)session liveStateDidChange:(LFLiveState)state {
    NSLog(@"liveStateDidChange: %ld", state);
    switch (state) {
        case LFLiveReady:
            _stateLabel.text = @"未连接";
            break;
        case LFLivePending:
            _stateLabel.text = @"连接中";
            break;
        case LFLiveStart:
            _stateLabel.text = @"已连接";
            break;
        case LFLiveError:
            _stateLabel.text = @"连接错误";
            break;
        case LFLiveStop:
            _stateLabel.text = @"未连接";
            break;
        default:
            break;
    }
}



/** 链接失败的回调 */
- (void)liveSession:(nullable LFLiveSession *)session errorCode:(LFLiveSocketErrorCode)errorCode {
    NSLog(@"errorCode: %ld", errorCode);
}


@end

3.自定义直播视图的使用

#import "LFLivePreview.h"

/**开始直播*/
- (IBAction)startLive:(id)sender {
    
    LFLivePreview * preView = [[LFLivePreview alloc] initWithFrame:self.view.bounds];
    preView.vc = self;
    [self.view addSubview:preView];
    //开启直播
    [preView startLive];

}
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