- (void)createrVideoRecodr

{

//創(chuàng)建視頻設(shè)備(攝像頭前，后)

NSArray*devices = [AVCaptureDevicedevicesWithMediaType:AVMediaTypeVideo];

//2.初始化一個(gè)攝像頭輸入設(shè)備(first是后置攝像頭，last是前置攝像頭)

if(self.sendkBtn.selected==YES) {

self.inputVideo= [AVCaptureDeviceInputdeviceInputWithDevice:[deviceslastObject]error:NULL];

}else{

self.inputVideo= [AVCaptureDeviceInputdeviceInputWithDevice:[devicesfirstObject]error:NULL];

}

//3.創(chuàng)建麥克風(fēng)設(shè)備

AVCaptureDevice*deviceAudio = [AVCaptureDevicedefaultDeviceWithMediaType:AVMediaTypeAudio];

//4.初始化麥克風(fēng)輸入設(shè)備

AVCaptureDeviceInput*inputAudio = [AVCaptureDeviceInputdeviceInputWithDevice:deviceAudioerror:NULL];

//5.初始化一個(gè)movie的文件輸出

AVCaptureMovieFileOutput*output = [[AVCaptureMovieFileOutputalloc]init];

self.output= output;//保存output，方便下面操作

//6.初始化一個(gè)會(huì)話

self.session= [[AVCaptureSessionalloc]init];

//7.將輸入輸出設(shè)備添加到會(huì)話中

if([self.sessioncanAddInput:self.inputVideo]) {

[self.sessionaddInput:self.inputVideo];

}

if([self.sessioncanAddInput:inputAudio]) {

[self.sessionaddInput:inputAudio];

}

if([self.sessioncanAddOutput:output]) {

[self.sessionaddOutput:output];

}

//8.創(chuàng)建一個(gè)預(yù)覽涂層

AVCaptureVideoPreviewLayer*preLayer = [AVCaptureVideoPreviewLayerlayerWithSession:self.session];

//設(shè)置圖層的大小

[preLayersetVideoGravity:AVLayerVideoGravityResizeAspectFill];

preLayer.frame=self.view.frame;

preLayer.frame=CGRectMake(0,100,WIDTH,HEIGHT-300);

//添加到view上

[self.view.layeraddSublayer:preLayer];

self.recordkBtn= [UIButtonbuttonWithType:UIButtonTypeCustom];

self.recordkBtn.frame=CGRectMake(50,HEIGHT-100,WIDTH-100,50);

self.recordkBtn.backgroundColor= [UIColorredColor];

[self.recordkBtnsetTitle:@"按下錄制"forState:UIControlStateNormal];

[self.viewaddSubview:self.recordkBtn];

UILongPressGestureRecognizer*guesture = [[UILongPressGestureRecognizeralloc]initWithTarget:selfaction:@selector(recordSpeakBtnPressed:)];

guesture.delegate=self;

[self.sessionstartRunning];

guesture.minimumPressDuration=0.01f;

[self.recordkBtnaddGestureRecognizer:guesture];

}- (void)recordSpeakBtnPressed:(UILongPressGestureRecognizer*)gestureRecognizer {

if(gestureRecognizer.state==UIGestureRecognizerStateBegan) {

[self.sessionstartRunning];

[self.recordkBtnsetTitle:@"松開結(jié)束"forState:UIControlStateNormal];

}

if(gestureRecognizer.state==UIGestureRecognizerStateEnded) {

[self.sessionstopRunning];

[self.recordkBtnsetTitle:@"按下錄制"forState:UIControlStateNormal];

}

////判斷是否在錄制,如果在錄制，就停止，并設(shè)置按鈕title

//if ([self.output isRecording]) {

//[self.output stopRecording];

//[self.recordkBtn setTitle:@"按下錄制" forState:UIControlStateNormal];

//

//return;

//}

////設(shè)置按鈕的title

//[self.session startRunning];

//[self.recordkBtn setTitle:@"松開結(jié)束" forState:UIControlStateNormal];

//設(shè)置錄制視頻保存的路徑

NSString*path = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask,YES).lastObjectstringByAppendingPathComponent:@"myVidio.mov"];

//轉(zhuǎn)為視頻保存的url

NSURL*url = [NSURLfileURLWithPath:path];

//開始錄制,并設(shè)置控制器為錄制的代理

[self.outputstartRecordingToOutputFileURL:urlrecordingDelegate:self];

}

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

{

PlayVideoController*playVideo = [[PlayVideoControlleralloc]init];

NSString*str=[outputFileURLabsoluteString];

playVideo.videoUrl= str;//視頻路勁

playVideo.isRecord=YES;

[self.navigationControllerpushViewController:playVideoanimated:YES];

}