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Mon application utilise la caméra frontale pour enregistrer des vidéos. J'ai configuré la couche de prévisualisation pour l'afficher en mode paysage, ce qui est le seul moyen de l'exécuter. Comment puis-je m'assurer que la sortie vidéo est correctement affichée?AVCaptureMovieFileOutput Orientation en paysage
session = [[AVCaptureSession alloc] init];
[session beginConfiguration];
session.sessionPreset = AVCaptureSessionPresetMedium;
CALayer *viewLayer = self.vImagePreview.layer;
NSLog(@"viewLayer = %@", viewLayer);
self.captureVideoPreviewLayer = [[AVCaptureVideoPreviewLayer alloc] initWithSession:session];
self.captureVideoPreviewLayer.videoGravity = AVLayerVideoGravityResizeAspectFill;
self.captureVideoPreviewLayer.frame = self.vImagePreview.bounds;
[self.captureVideoPreviewLayer setCornerRadius:14];
[self.captureVideoPreviewLayer setBorderWidth:3.0];
[self.captureVideoPreviewLayer setBorderColor:[[UIColor whiteColor] CGColor]];
self.captureVideoPreviewLayer.connection.videoOrientation = AVCaptureVideoOrientationLandscapeRight;
[[vImagePreview layer] setCornerRadius:14];
[[vImagePreview layer] setBorderWidth:3.0];
[[vImagePreview layer] setBorderColor:[[UIColor whiteColor] CGColor]];
[self.vImagePreview.layer addSublayer:self.captureVideoPreviewLayer];
AVCaptureDevice *device = [self frontFacingCameraIfAvailable];
NSError *error = nil;
AVCaptureDeviceInput *input = [AVCaptureDeviceInput deviceInputWithDevice:device error:&error];
if (!input) {
// Handle the error appropriately.
NSLog(@"ERROR: trying to open camera: %@", error);
}
AVCaptureDevice *audioCaptureDevice = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeAudio];
NSError *error2 = nil;
AVCaptureDeviceInput *audioInput = [AVCaptureDeviceInput deviceInputWithDevice:audioCaptureDevice error:&error2];
AVCaptureMovieFileOutput *movieFileOutput = [[AVCaptureMovieFileOutput alloc] init];
NSString *archives = [documentsDirectoryPath stringByAppendingPathComponent:@"archives"];
NSString *editedfilename = [[selectedCountry lastPathComponent] stringByDeletingPathExtension];
NSString *datestring = [[editedfilename stringByAppendingString:@" "] stringByAppendingString:currentTime];
NSLog(@"%@", datestring);
NSString *outputpathofmovie = [[archives stringByAppendingPathComponent:datestring] stringByAppendingString:@".mp4"];
NSURL *outputURL = [[NSURL alloc] initFileURLWithPath:outputpathofmovie];
[session addInput:input];
[session addInput:audioInput];
[session addOutput:movieFileOutput];
[session commitConfiguration];
[session startRunning];
NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];
[movieFileOutput startRecordingToOutputFileURL:outputURL recordingDelegate:self];
NSLog(@"OutputURL%@", outputURL);
}
-(void)viewDidLayoutSubviews {
[super viewDidLayoutSubviews];
UIInterfaceOrientation orientation = [[UIApplication sharedApplication] statusBarOrientation];
switch (orientation) {
case UIInterfaceOrientationPortrait:
[self.captureVideoPreviewLayer.connection setVideoOrientation:AVCaptureVideoOrientationPortrait];
break;
case UIInterfaceOrientationPortraitUpsideDown:
[self.captureVideoPreviewLayer.connection setVideoOrientation:AVCaptureVideoOrientationPortraitUpsideDown];
break;
case UIInterfaceOrientationLandscapeLeft:
[self.captureVideoPreviewLayer.connection setVideoOrientation:AVCaptureVideoOrientationLandscapeLeft];
break;
case UIInterfaceOrientationLandscapeRight:
[self.captureVideoPreviewLayer.connection setVideoOrientation:AVCaptureVideoOrientationLandscapeRight];
break;
}
}
- (void)captureOutput:(AVCaptureFileOutput *)captureOutput didFinishRecordingToOutputFileAtURL:(NSURL *)outputFileURL fromConnections:(NSArray *)connections error:(NSError *)error {
//finished
NSLog(@"ErrorMessage%@", error);
}
-(IBAction)endcall {
[player stop];
[session stopRunning];
}
-(AVCaptureDevice *)frontFacingCameraIfAvailable
{
NSArray *videoDevices = [AVCaptureDevice devicesWithMediaType:AVMediaTypeVideo];
AVCaptureDevice *captureDevice = nil;
for (AVCaptureDevice *device in videoDevices)
{
if (device.position == AVCaptureDevicePositionFront)
{
captureDevice = device;
break;
}
}
// couldn't find one on the front, so just get the default video device.
if (! captureDevice)
{
captureDevice = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
}
return captureDevice;
}