视频的录制

#import "ViewController.h"#import@interface ViewController ()/* 输入设备 摄像头*/@property (strong, nonatomic) AVCaptureDeviceInput *videoInput;/* 输入设备 麦克风 */@property (strong, nonatomic) AVCaptureDeviceInput *audioInput;/* 输出设备 */@property (strong, nonatomic) AVCaptureMovieFileOutput *outPut;/* 会话 */@property (strong, nonatomic) AVCaptureSession *session;/* 预览的图层 */@property (weak, nonatomic) AVCaptureVideoPreviewLayer *previewLayer;@end@implementation ViewController- (void)viewDidLoad {    [super viewDidLoad];    // 输入设备  摄像头  麦克风    // 摄像头的输入设备    AVCaptureDevice *videoDevice = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];    self.videoInput = [[AVCaptureDeviceInput alloc] initWithDevice:videoDevice error:nil];    // 麦克风的输入设备    AVCaptureDevice *audioDevice = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeAudio];    self.audioInput = [[AVCaptureDeviceInput alloc] initWithDevice:audioDevice error:nil];            // 输出设备    self.outPut = [[AVCaptureMovieFileOutput alloc] init];        // 会话  -->链接输入和输出设备    self.session = [[AVCaptureSession alloc] init];    // 添加输入和输出设备    if ([self.session canAddInput:self.videoInput]) {        [self.session addInput:self.videoInput];    }    if ([self.session canAddInput:self.audioInput]) {        [self.session addInput:self.audioInput];    }    if ([self.session canAddOutput:self.outPut]) {        [self.session addOutput:self.outPut];    }        // 预览的图层    AVCaptureVideoPreviewLayer *previewLayer = [[AVCaptureVideoPreviewLayer alloc] initWithSession:self.session];    self.previewLayer = previewLayer;    self.previewLayer.frame = self.view.bounds;    [self.view.layer addSublayer:previewLayer];        // 开启会话    [self.session startRunning];}- (void)touchesBegan:(NSSet*)touches withEvent:(UIEvent *)event

{

if (self.outPut.isRecording == YES) {

// 停止录制

[self.outPut stopRecording];

}else{

// 文件保存的路径

NSString *path = [[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) lastObject] stringByAppendingPathComponent:@"123.mov"];

// 转换类型

NSURL *url = [NSURL fileURLWithPath:path];

// 开始录制视频  url:视频保存的位置

[self.outPut startRecordingToOutputFileURL:url recordingDelegate:self];

}

}

/// 开始录制视频

- (void)captureOutput:(AVCaptureFileOutput *)captureOutput didStartRecordingToOutputFileAtURL:(NSURL *)fileURL fromConnections:(NSArray *)connections

{

NSLog(@"开始录制视频");

}

/// 录制视频成功

- (void)captureOutput:(AVCaptureFileOutput *)captureOutput didFinishRecordingToOutputFileAtURL:(NSURL *)outputFileURL fromConnections:(NSArray *)connections error:(NSError *)error

{

NSLog(@"录制视频成功");

}

@end