Ios AVCaptureVideoPreviewLayer更改为AspectFill
我希望我的Ios AVCaptureVideoPreviewLayer更改为AspectFill,ios,objective-c,avplayer,gravity,bounds,Ios,Objective C,Avplayer,Gravity,Bounds,我希望我的会话以aspectFill方式显示在我的AVCamPreviewLayer中。虽然下面的代码就是这样做的,但它填充了整个屏幕,而不仅仅是预览层连接到故事板上的视图。因此,在更改重力时,我想以某种方式将AVCaptureVideoPreviewLayer填充到我的previewView的边界,而不是全屏 [(AVCaptureVideoPreviewLayer *)[[self previewView] layer] setVideoGravity:AVLayerVideoGravi
会话
以aspectFill方式显示在我的AVCamPreviewLayer
中。虽然下面的代码就是这样做的,但它填充了整个屏幕,而不仅仅是预览层连接到故事板上的视图。因此,在更改重力时,我想以某种方式将AVCaptureVideoPreviewLayer
填充到我的previewView
的边界,而不是全屏
[(AVCaptureVideoPreviewLayer *)[[self previewView] layer] setVideoGravity:AVLayerVideoGravityResizeAspectFill];
我也试过了
- (void)setSession:(AVCaptureSession *)session
{
((AVPlayerLayer *)[self layer]).videoGravity = AVLayerVideoGravityResizeAspectFill;
((AVPlayerLayer *)[self layer]).bounds = ((AVPlayerLayer *)[self layer]).bounds;
[(AVCaptureVideoPreviewLayer *)[self layer] setSession:session];
}
**请注意,这确实来自