Created
November 9, 2011 01:13
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| + (AVCaptureConnection *)connectionWithMediaType:(NSString *)mediaType fromConnections:(NSArray *)connections | |
| { | |
| for ( AVCaptureConnection *connection in connections ) { | |
| for ( AVCaptureInputPort *port in [connection inputPorts] ) { | |
| if ( [[port mediaType] isEqual:mediaType] ) { | |
| return connection; | |
| } | |
| } | |
| } | |
| return nil; | |
| } | |
| - (void) captureStillImage | |
| { | |
| AVCaptureConnection *stillImageConnection = [AVCamUtilities connectionWithMediaType:AVMediaTypeVideo fromConnections:[[self stillImageOutput] connections]]; | |
| if ([stillImageConnection isVideoOrientationSupported]) | |
| [stillImageConnection setVideoOrientation:orientation]; | |
| [[self stillImageOutput] captureStillImageAsynchronouslyFromConnection:stillImageConnection | |
| completionHandler:^(CMSampleBufferRef imageDataSampleBuffer, NSError *error) { | |
| ALAssetsLibraryWriteImageCompletionBlock completionBlock = ^(NSURL *assetURL, NSError *error) { | |
| if (error) { | |
| if ([[self delegate] respondsToSelector:@selector(captureManager:didFailWithError:)]) { | |
| [[self delegate] captureManager:self didFailWithError:error]; | |
| } | |
| } | |
| }; | |
| if (imageDataSampleBuffer != NULL) { | |
| NSData *imageData = [AVCaptureStillImageOutput jpegStillImageNSDataRepresentation:imageDataSampleBuffer]; | |
| ALAssetsLibrary *library = [[ALAssetsLibrary alloc] init]; | |
| UIImage *image = [[UIImage alloc] initWithData:imageData]; | |
| [library writeImageToSavedPhotosAlbum:[image CGImage] | |
| orientation:(ALAssetOrientation)[image imageOrientation] | |
| completionBlock:completionBlock]; | |
| [image release]; | |
| [library release]; | |
| } | |
| else | |
| completionBlock(nil, error); | |
| if ([[self delegate] respondsToSelector:@selector(captureManagerStillImageCaptured:)]) { | |
| [[self delegate] captureManagerStillImageCaptured:self]; | |
| } | |
| }]; |
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