edu-saas-ios/MusicGradeExam/MusicGradeExam/UI/RecordAction/KSVideoRecordViewController.m

//
//  KSVideoRecordViewController.m
//  MusicGradeExam
//
//  Created by Kyle on 2020/10/16.
//  Copyright © 2020 DayaMusic. All rights reserved.
//

#import "KSVideoRecordViewController.h"
#import "AppDelegate.h"
#import "UIDevice+TFDevice.h"
#import <AVFoundation/AVFoundation.h>
#import <AssetsLibrary/AssetsLibrary.h>
#import "KSNormalAlertView.h"
#import "SubjectImageModel.h"
#import "TZImageManager.h"

@interface KSVideoRecordViewController ()<AVCaptureFileOutputRecordingDelegate>

@property (nonatomic, strong) AVAudioPlayer *audioPlayer;

//会话 负责输入和输出设备之间的数据传递
@property (nonatomic, strong) AVCaptureSession *captureSession;

@property (nonatomic, strong) AVCaptureDeviceInput *videoCaptureDeviceInput;
@property (nonatomic, strong) AVCaptureDeviceInput *audioCaptureDeviceInput;

// 视频流输出
@property (nonatomic, strong) AVCaptureMovieFileOutput *captureMovieFileOutput;

// 相机拍摄预览图层
@property (nonatomic, strong) AVCaptureVideoPreviewLayer *captureVideoPreviewLayer;

// 自定义UI控件容器
@property (nonatomic, strong) UIView *viewContainer;
// 录制时常
@property (nonatomic, strong) UILabel *timeLabel;

// 计时器
@property (nonatomic, strong) NSTimer *timer;

@property (nonatomic, strong) UIButton *bottomButton;

@property (nonatomic, strong) SubjectImageModel *guideImageModel;

@property (nonatomic, strong) UIImageView *tipsImage;

@property (nonatomic, assign) NSInteger prepareTime;

@property (nonatomic, assign) BOOL isPrepare;

@property (nonatomic, strong) UILabel *bottomCountLabel;

@property (nonatomic, assign) NSInteger currentRecordIndex;

@property (nonatomic, strong) UILabel *topTipsLabel;

@property (nonatomic, strong) UIView *topTipsView;

@property (nonatomic, strong) UIImageView *warningImage;

@property (nonatomic, assign) NSInteger duration;

@property (nonatomic, copy) VideoRecordBlock callback;

@property (nonatomic, strong) NSMutableArray *videoAssetArray;

@property (nonatomic, assign) BOOL isStartExam;

@property (nonatomic, assign) BOOL isRecording;

@property (nonatomic, assign) BOOL isQuiting;

@property (nonatomic, strong) UIView *songCardView;

@property (nonatomic, strong) UILabel *subjectLabel;

@property (nonatomic, strong) UILabel *songTitle;

@property (nonatomic, strong) UILabel *songNameLabel;

@property (nonatomic, strong) UILabel *songTimeLabel;

@property (nonatomic, assign) NSInteger songCountTime;

@end

@implementation KSVideoRecordViewController

- (void)viewWillAppear:(BOOL)animated {
    [super viewWillAppear:animated];
    self.zh_statusBarHidden = YES;
    // 切换到横屏
    AppDelegate* delegate = (AppDelegate*)[UIApplication sharedApplication].delegate;
    delegate.allowAutoRotate = YES;
    [UIDevice switchNewOrientation:UIInterfaceOrientationLandscapeRight];
    [[UIApplication sharedApplication] setIdleTimerDisabled:YES];
}

- (void)viewWillDisappear:(BOOL)animated {
    [super viewWillDisappear:animated];
    // 竖屏
    AppDelegate* delegate = (AppDelegate*)[UIApplication sharedApplication].delegate;
    delegate.allowAutoRotate = NO;
    [UIDevice switchNewOrientation:UIInterfaceOrientationPortrait];
    [[UIApplication sharedApplication] setIdleTimerDisabled:NO];
    self.zh_statusBarHidden = NO;
}

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
    self.view.backgroundColor = HexRGB(0x141414);
    [self configMessage];
    // 切换到横屏
    AppDelegate* delegate = (AppDelegate*)[UIApplication sharedApplication].delegate;
    delegate.allowAutoRotate = YES;
    [UIDevice switchNewOrientation:UIInterfaceOrientationLandscapeRight];
    [self configUI];
    [self.timer setFireDate:[NSDate distantPast]];
}

- (void)configMessage {
    self.prepareTime = 10;
    self.currentRecordIndex = 0;
}

- (void)configUI {
    _captureSession = [[AVCaptureSession alloc] init];
    // 初始化会话对象
    if ([_captureSession canSetSessionPreset:AVCaptureSessionPresetInputPriority]) {
        _captureSession.sessionPreset = AVCaptureSessionPresetInputPriority;
    }
    NSError *error = nil;
    
    // 获取视频输出对象
    AVCaptureDevice *videoCaptureDevice = [self cameraDeviceWithPosition:(AVCaptureDevicePositionBack)];
    if (!videoCaptureDevice) {
        NSLog(@"获取后置摄像头失败!");
        return;
    }
    _videoCaptureDeviceInput = [[AVCaptureDeviceInput alloc] initWithDevice:videoCaptureDevice error:&error];
    if (error) {
        NSLog(@"取得视频设备输入对象错误");
        return;
    }
    
    // 获取音频输入对象
    AVCaptureDevice *audioCaptureDevice = [[AVCaptureDevice devicesWithMediaType:AVMediaTypeAudio] firstObject];
    _audioCaptureDeviceInput = [[AVCaptureDeviceInput alloc] initWithDevice:audioCaptureDevice error:&error];
    if (error) {
        NSLog(@"取得音频设备输入对象时出错");
        return;
    }
    
    // 初始化设备输出对象
    _captureMovieFileOutput = [[AVCaptureMovieFileOutput alloc] init];
    //将设备输入添加到会话中
    if ([_captureSession canAddInput:_videoCaptureDeviceInput]) {
        [_captureSession addInput:_videoCaptureDeviceInput];
        [_captureSession addInput:_audioCaptureDeviceInput];
        
        //防抖功能
        AVCaptureConnection *captureConnection = [_captureMovieFileOutput connectionWithMediaType:AVMediaTypeAudio];
        if ([captureConnection isVideoStabilizationSupported]) {
            captureConnection.preferredVideoStabilizationMode = AVCaptureVideoStabilizationModeAuto;
        }
    }
    
    //将设备输出添加到会话中
    if ([_captureSession canAddOutput:_captureMovieFileOutput]) {
        [_captureSession addOutput:_captureMovieFileOutput];
    }
    
    //创建视频预览图层
    _captureVideoPreviewLayer = [[AVCaptureVideoPreviewLayer alloc] initWithSession:_captureSession];
    self.viewContainer.layer.masksToBounds = YES;
    _captureVideoPreviewLayer.frame = self.viewContainer.bounds;
    _captureVideoPreviewLayer.videoGravity = AVLayerVideoGravityResizeAspectFill;
    _captureVideoPreviewLayer.connection.videoOrientation = AVCaptureVideoOrientationLandscapeRight;
    [self.view.layer addSublayer:_captureVideoPreviewLayer];
    
    [self.view addSubview:self.viewContainer];
    [self configSongCardView];
    self.songCardView.hidden = YES;
    
    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1.0f * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
        [self playTipsWithFileName:@"tips_one"];
    });
    
}


- (void)playTipsWithFileName:(NSString *)fileName {
    
    // 播放提示音
    NSString *path = [[NSBundle mainBundle] pathForResource:fileName ofType:@"caf"];
    if (path) {
        NSURL *pathUrl = [NSURL fileURLWithPath:path];
        NSError *error = nil;
        self.audioPlayer = [[AVAudioPlayer alloc] initWithContentsOfURL:pathUrl error:&error];
        self.audioPlayer.volume = 1.0f;
        [self.audioPlayer prepareToPlay];
        if (error == nil) {
            [self.audioPlayer play];
        }
    }
}

- (void)configSongCardView {
    [self.view addSubview:self.songCardView];
    [self.songCardView mas_makeConstraints:^(MASConstraintMaker *make) {
        make.width.mas_equalTo(180);
        make.right.mas_equalTo(self.view.mas_right);
        make.centerY.mas_equalTo(self.view.mas_centerY);
    }];
    self.songCardView.layer.cornerRadius = 5.0f;
    
    [self.songCardView addSubview:self.subjectLabel];
    self.subjectLabel.text = [NSString stringWithFormat:@"%@,%@", self.subjectName, self.leverName];
    [self.subjectLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.mas_equalTo(self.songCardView.mas_left).offset(10);
        make.right.mas_equalTo(self.songCardView.mas_right).offset(10);
        make.top.mas_equalTo(self.songCardView.mas_top).offset(10);
        make.height.mas_equalTo(20);
    }];
    [self.songCardView addSubview:self.songTitle];
    [self.songTitle mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.mas_equalTo(self.songCardView.mas_left).offset(10);
        make.right.mas_equalTo(self.songCardView.mas_right).offset(10);
        make.top.mas_equalTo(self.subjectLabel.mas_bottom).offset(10);
        make.height.mas_equalTo(20);
    }];
    
    [self.songCardView addSubview:self.songNameLabel];
    self.songNameLabel.text = [self.songMessageArray firstObject];
    [self.songNameLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.mas_equalTo(self.songCardView.mas_left).offset(10);
        make.right.mas_equalTo(self.songCardView.mas_right).offset(10);
        make.top.mas_equalTo(self.songTitle.mas_bottom).offset(10);
    }];
    
    [self.songCardView addSubview:self.songTimeLabel];
    [self.songTimeLabel mas_makeConstraints:^(MASConstraintMaker *make) {
        make.left.mas_equalTo(self.songCardView.mas_left).offset(10);
        make.right.mas_equalTo(self.songCardView.mas_right).offset(10);
        make.top.mas_equalTo(self.songNameLabel.mas_bottom).offset(10);
        make.bottom.mas_equalTo(self.songCardView.mas_bottom).offset(-10);
    }];

    self.songCountTime = self.singleSongRecordMinutes * 60;
    self.songTimeLabel.text = [NSString stringWithFormat:@"当前曲目剩余时间：%zds",self.songCountTime];
}

-(void)viewDidAppear:(BOOL)animated {
    [super viewDidAppear:animated];
    [self.captureSession startRunning];
}

-(void)viewDidDisappear:(BOOL)animated {
    [super viewDidDisappear:animated];
    [self.captureSession stopRunning];
    [self stopDurationTimer];
}

#pragma mark ---- buttonAction
- (void)bottomButtonAction:(UIButton *)sender {
    
    if ([sender.titleLabel.text isEqualToString:@"已就位"]) {
        [self playTipsWithFileName:@"tips_second"];
        [sender setTitle:@"开始考级" forState:UIControlStateNormal];
    }
    else if ([sender.titleLabel.text isEqualToString:@"开始考级"]) {
        self.isPrepare = YES;
        self.topTipsLabel.text = @"请考生在10秒内就位演奏";
        [self playTipsWithFileName:@"tips_third"];
        self.topTipsView.hidden = NO;
        self.bottomCountLabel.hidden = NO;
        if (self.currentRecordIndex + 1 == self.songMessageArray.count) {
            [sender setTitle:@"完成录制" forState:UIControlStateNormal];
        }
        else {
            [sender setTitle:@"下一首" forState:UIControlStateNormal];
        }
        sender.hidden = YES;
    }
    else if ([sender.titleLabel.text isEqualToString:@"下一首"]) {
        
        [KSNormalAlertView ks_showAlertWithTitle:@"确定切换下一首吗？" leftTitle:@"取消" rightTitle:@"确定" cancel:^{
            
        } confirm:^{
            [self nextSongAction];
        }];
        
    }
    else if ([sender.titleLabel.text isEqualToString:@"完成录制"]) {
        [KSNormalAlertView ks_showAlertWithTitle:@"确定完成录制吗？" leftTitle:@"取消" rightTitle:@"确定" cancel:^{
            
        } confirm:^{
            // 退出录播 返回数据
            if (self.isRecording) {
                if ([self.captureMovieFileOutput isRecording]) {
                    [self.captureMovieFileOutput stopRecording];
                }
                self.isQuiting = YES;
                [MBProgressHUD ksShowHUDWithText:@"视频保存中..."];
            }
            else {
                self.callback(VIDEORECORDACTION_BACK, self.videoAssetArray);
                [self quitRecordExam];
            }
        }];
        
    }
}

- (void)nextSongAction {
    self.currentRecordIndex++;
    self.topTipsLabel.text = @"请考生在10秒内就位演奏";
    self.prepareTime = 10;
    self.isPrepare = YES;
    [self.captureMovieFileOutput stopRecording];
    if (self.currentRecordIndex + 1 == self.songMessageArray.count) {
        [self.bottomButton setTitle:@"完成录制" forState:UIControlStateNormal];
    }
    else {
        [self.bottomButton setTitle:@"下一首" forState:UIControlStateNormal];
    }
    self.bottomButton.hidden = YES;
}

- (void)setCurrentRecordIndex:(NSInteger)currentRecordIndex {
    _currentRecordIndex = currentRecordIndex;
    self.songCountTime = self.singleSongRecordMinutes * 60;
    self.songTimeLabel.text = [NSString stringWithFormat:@"当前曲目剩余时间：%zds",self.songCountTime];
    if (self.songMessageArray.count > currentRecordIndex) {
        NSString *songName = self.songMessageArray[currentRecordIndex];
        self.songNameLabel.text = songName;
    }
    
}
#pragma mark --------  AVCaptureFileOutputRecordingDelegate  ----------
- (void)captureOutput:(AVCaptureFileOutput *)captureOutput didStartRecordingToOutputFileAtURL:(NSURL *)fileURL fromConnections:(NSArray *)connections {
    NSLog(@"开始录制");
    _isRecording = YES;
}
 
- (void)captureOutput:(AVCaptureFileOutput *)captureOutput didFinishRecordingToOutputFileAtURL:(NSURL *)outputFileURL fromConnections:(NSArray *)connections error:(NSError *)error {
    NSLog(@"录制结束");
    // 是否保存到相册
    [[TZImageManager manager] saveVideoWithUrl:outputFileURL completion:^(PHAsset *asset, NSError *error) {
        self.isRecording = NO;
        // 删除文件
        [self removeVideoWithPath:outputFileURL.path];
        // 记录当前相册asset
        [self.videoAssetArray addObject:asset];
        if (self.isQuiting) { // 保存完成退出
            [MBProgressHUD ksHideHUD];
            self.callback(VIDEORECORDACTION_BACK, self.videoAssetArray);
            [self quitRecordExam];
        }
    }];
}

- (void)removeVideoWithPath:(NSString *)videoUrl {
    NSFileManager *fileMamager = [NSFileManager defaultManager];
    if ([fileMamager fileExistsAtPath:videoUrl]) {
        [fileMamager removeItemAtPath:videoUrl error:nil];
    }
}

/**取得指定位置的摄像头*/
- (AVCaptureDevice *)cameraDeviceWithPosition:(AVCaptureDevicePosition)position {
    NSArray *cameras = [AVCaptureDevice devicesWithMediaType:AVMediaTypeVideo];
    for (AVCaptureDevice *camera in cameras) {
        if ([camera position] == position) {
            return camera;
        }
    }
    return nil;
}


#pragma mark ---- lazying
// 乐曲卡片
- (UIView *)songCardView {
    if (!_songCardView) {
        _songCardView = [[UIView alloc] init];
        _songCardView.backgroundColor = HexRGBAlpha(0x141414, 0.5f);
    }
    return _songCardView;
}

- (UILabel *)subjectLabel {
    if (!_subjectLabel) {
        _subjectLabel = [[UILabel alloc] init];
        _subjectLabel.textColor = HexRGB(0xffffff);
        _subjectLabel.font = [UIFont systemFontOfSize:14.0f];
    }
    return _subjectLabel;
}

- (UILabel *)songTitle {
    if (!_songTitle) {
        _songTitle = [[UILabel alloc] init];
        _songTitle.textColor = THEMECOLOR;
        _songTitle.font = [UIFont systemFontOfSize:14.0f];
        _songTitle.text = @"当前曲目:";
    }
    return _songTitle;
}

- (UILabel *)songNameLabel {
    if (!_songNameLabel) {
        _songNameLabel = [[UILabel alloc] init];
        _songNameLabel.textColor = HexRGB(0xffffff);
        _songNameLabel.numberOfLines = 0;
        _songNameLabel.font = [UIFont systemFontOfSize:14.0f];
    }
    return _songNameLabel;
}

- (UILabel *)songTimeLabel {
    if (!_songTimeLabel) {
        _songTimeLabel = [[UILabel alloc] init];
        _songTimeLabel.textColor = HexRGB(0xffffff);
        _songTimeLabel.font = [UIFont systemFontOfSize:14.0f];
    }
    return _songTimeLabel;
}

- (NSMutableArray *)videoAssetArray {
    if (!_videoAssetArray) {
        _videoAssetArray = [NSMutableArray arrayWithCapacity:self.songMessageArray.count];
    }
    return _videoAssetArray;
}
- (UILabel *)timeLabel {
    if (!_timeLabel) {
        _timeLabel = [[UILabel alloc] init];
        _timeLabel.font = [UIFont systemFontOfSize:14.0f];
        _timeLabel.textColor = HexRGB(0xffffff);
        
    }
    return _timeLabel;
}

- (void)configTime:(NSInteger)subTime recordFinishBlock:(VideoRecordBlock)block {
    if (block) {
        self.callback = block;
    }
    self.duration = subTime;
}

- (void)setDuration:(NSInteger)duration {
    _duration = duration;
    if (_duration < 300) {
//        self.timeLabel.textColor = HexRGB(0xff3535);
    }
    if (_duration < 0) {
        [self stopDurationTimer];
        if (self.callback) {
            self.callback(VIDEORECORDACTION_OVER,self.videoAssetArray);
        }
    }
}

- (void)stopDurationTimer {
    [self.timer setFireDate:[NSDate distantFuture]];
    if (self.timer.valid) {
        [self.timer invalidate];
        self.timer = nil;
    }
}
- (NSString *)formatTime {
    
    if (self.duration < 0) {
        return @"00分00秒";
    }
    NSInteger durationInteger = self.duration--;
    NSInteger durationS = durationInteger % 60;
    NSInteger durationM = (durationInteger - durationS) / 60;
    NSString *minuteStr = [NSString stringWithFormat:@"%02ld", durationM];
    NSString *secondStr = [NSString stringWithFormat:@"%02ld", durationS];
    
    return [NSString stringWithFormat:@"%@分%@秒", minuteStr, secondStr];
}

- (UILabel *)topTipsLabel {
    if (!_topTipsLabel) {
        _topTipsLabel = [[UILabel alloc] init];
        _topTipsLabel.font = [UIFont systemFontOfSize:14.0f];
        _topTipsLabel.textColor = HexRGB(0x00ffef);
    }
    return _topTipsLabel;
}

- (NSTimer *)timer {
    if (_timer == nil) {
        _timer = [NSTimer scheduledTimerWithTimeInterval:1
                                                      target:self
                                                    selector:@selector(timeFunction:)
                                                    userInfo:nil
                                                     repeats:YES];
        [[NSRunLoop currentRunLoop] addTimer:_timer forMode:NSRunLoopCommonModes];
    }
    return _timer;
}

- (void)timeFunction:(NSTimer *)timer {
    if (self.isPrepare) {
        if (self.prepareTime > 0) {
            self.bottomCountLabel.text = [NSString stringWithFormat:@"%zds",self.prepareTime];
            self.bottomCountLabel.hidden = NO;
            self.prepareTime--;
        }
        else {
            self.isStartExam = YES;
            self.isPrepare = NO;
            self.topTipsLabel.text = @"正在考级，学生必须保持在画面之内";
            self.songCardView.hidden = NO;
            self.bottomCountLabel.hidden = YES;
            self.bottomButton.hidden = NO;
            NSString *path = [[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)lastObject] stringByAppendingPathComponent:@"VideoData"];
            NSFileManager *fileManager = [NSFileManager defaultManager];
            BOOL isDir = FALSE;
            BOOL isDirExist = [fileManager fileExistsAtPath:path isDirectory:&isDir];
            if(!(isDirExist && isDir)) {
                BOOL bCreateDir = [fileManager createDirectoryAtPath:path withIntermediateDirectories:YES attributes:nil error:nil];
                if(!bCreateDir){
                    NSLog(@"创建文件夹失败！");
                }
                NSLog(@"创建文件夹成功，文件路径%@",path);
            }
            NSString *songName = [[self.songMessageArray objectAtIndex:self.currentRecordIndex] MD5];
            NSString *fileName = [NSString stringWithFormat:@"%@.mp4",songName];
            NSString *filePath = [path stringByAppendingPathComponent:fileName];
                    NSLog(@"%@",filePath);
                    [self.captureMovieFileOutput startRecordingToOutputFileURL:[NSURL fileURLWithPath:filePath] recordingDelegate:self];
        }
    }
    else {
        if (_isStartExam) {
            self.songCountTime--;
            if (self.songCountTime >= 0) {
                self.songTimeLabel.text = [NSString stringWithFormat:@"当前曲目剩余时间：%zds",self.songCountTime];
            }
            if (self.songCountTime == 0) {
                _isStartExam = NO;
                // 切换下一首
                [self nextSongAction];
            }
        }
    }
    self.timeLabel.text = [NSString stringWithFormat:@"考级剩余：%@",[self formatTime]];
}

- (UIImageView *)tipsImage {
    if (!_tipsImage) {
        _tipsImage = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, kScreenWidth, kScreenHeight)];
    }
    return _tipsImage;
}

- (SubjectImageModel *)guideImageModel {
    if (!_guideImageModel) {
        _guideImageModel = [[SubjectImageModel alloc] init];
        _guideImageModel.subjectName = self.subjectName;
    }
    return _guideImageModel;
}
- (UIButton *)bottomButton {
    if (!_bottomButton) {
        _bottomButton = [UIButton buttonWithType:UIButtonTypeCustom];
        [_bottomButton setTitle:@"已就位" forState:UIControlStateNormal];
        _bottomButton.frame = CGRectMake(kScreenWidth - 120 - 20, 10, 120, 44);
        _bottomButton.layer.cornerRadius = 22;
        _bottomButton.titleLabel.font = [UIFont systemFontOfSize:14.0f];
        _bottomButton.backgroundColor = HexRGB(0xff5a5a);
        [_bottomButton addTarget:self action:@selector(bottomButtonAction:) forControlEvents:UIControlEventTouchUpInside];
    }
    return _bottomButton;
}

- (UIView *)topTipsView {
    if (!_topTipsView) {
        _topTipsView = [[UIView alloc] init];
        _warningImage = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"warning_image"]];
        _warningImage.frame = CGRectMake(0, 4, 14, 12);
        [_topTipsView addSubview:_warningImage];
        [_topTipsView addSubview:self.topTipsLabel];
    }
    return _topTipsView;
}

- (UIView *)viewContainer {
    if (!_viewContainer) {
        _viewContainer = [[UIView alloc] initWithFrame:CGRectMake(0, 0, kScreenWidth, kScreenHeight)];
        
        // 声部示意图
        NSString *tipsImageName = self.guideImageModel.guideImage;
        if (![NSString isEmptyString:tipsImageName]) {
            [self.tipsImage setImage:[UIImage imageNamed:tipsImageName]];
            [self.viewContainer addSubview:self.tipsImage];
        }
        
        UIView *headView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, kScreenWidth, 64)];
        headView.backgroundColor = HexRGBAlpha(0x141414, 0.5f);
        [_viewContainer addSubview:headView];
        
        UIButton *cancleButton = [UIButton buttonWithType:UIButtonTypeCustom];
        cancleButton.frame = CGRectMake(kScreenWidth - 120 - iPhoneXSafeBottomMargin, 0, 120, 64);
        cancleButton.titleLabel.font = [UIFont systemFontOfSize:14.0f];
        [cancleButton addTarget:self action:@selector(cancleRecordAction) forControlEvents:UIControlEventTouchUpInside];
        [cancleButton setTitle:@"放弃本次录制" forState:UIControlStateNormal];
        [headView addSubview:cancleButton];
        [headView addSubview:self.topTipsView];
        [self.topTipsView mas_makeConstraints:^(MASConstraintMaker *make) {
            make.centerX.mas_equalTo(headView.mas_centerX);
            make.centerY.mas_equalTo(headView.mas_centerY);
            make.height.mas_equalTo(20);
        }];
        [self.topTipsLabel mas_makeConstraints:^(MASConstraintMaker *make) {
            make.top.bottom.right.mas_equalTo(self.topTipsView);
            make.left.mas_equalTo(self.warningImage.mas_right).offset(5);
        }];
        self.topTipsView.hidden = YES;
        [headView addSubview:self.timeLabel];
        [self.timeLabel mas_makeConstraints:^(MASConstraintMaker *make) {
            make.left.mas_equalTo(headView.mas_left).offset(15);
            make.centerY.mas_equalTo(headView.mas_centerY);
            make.height.mas_equalTo(20);
        }];
        
        
        UIView *bottomView = [[UIView alloc] initWithFrame:CGRectMake(0, kScreenHeight - 64, kScreenWidth, 64)];
        bottomView.backgroundColor = HexRGBAlpha(0x141414, 0.5f);
        [_viewContainer addSubview:bottomView];
        
        [bottomView addSubview:self.bottomButton];
        
        [bottomView addSubview:self.bottomCountLabel];
        [self.bottomCountLabel mas_makeConstraints:^(MASConstraintMaker *make) {
            make.height.mas_equalTo(20);
            make.center.mas_equalTo(bottomView);
            make.width.mas_equalTo(40);
        }];
        self.bottomCountLabel.hidden = YES;
    }
    return _viewContainer;
}

- (UILabel *)bottomCountLabel {
    if (!_bottomCountLabel) {
        _bottomCountLabel = [[UILabel alloc] init];
        _bottomCountLabel.textColor = [UIColor whiteColor];
        _bottomCountLabel.font = [UIFont systemFontOfSize:16.0f];
    }
    return _bottomCountLabel;
}

- (void)cancleRecordAction {
    // 弹窗提示退出房间
    [KSNormalAlertView ks_showAlertWithTitle:@"确定退出录播吗？" leftTitle:@"取消" rightTitle:@"确定" cancel:^{
        
    } confirm:^{
        // 退出录播
        [self quitRecordExam];
    }];
}

- (void)quitRecordExam {
    [self dismissViewControllerAnimated:NO completion:^{
        if ([self.captureMovieFileOutput isRecording]) {
            [self.captureMovieFileOutput stopRecording];
        }
    }];
}


/*
#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
}
*/

@end