Created
December 9, 2015 06:36
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Convert SampleBuffer to UIImage in AVCaptureVideoDataOutputSampleBufferDelegate in Swift
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| func imageFromSampleBuffer(sampleBuffer:CMSampleBufferRef) -> UIImage? { | |
| if let imageBuffer = CMSampleBufferGetImageBuffer(sampleBuffer) { | |
| CVPixelBufferLockBaseAddress(imageBuffer,0) | |
| let baseAddress = CVPixelBufferGetBaseAddress(imageBuffer) | |
| let bytesPerRow = CVPixelBufferGetBytesPerRow(imageBuffer) | |
| let width = CVPixelBufferGetWidth(imageBuffer) | |
| let height = CVPixelBufferGetHeight(imageBuffer) | |
| let colorSpace = CGColorSpaceCreateDeviceRGB() | |
| let context = CGBitmapContextCreate(baseAddress,width,height,8,bytesPerRow, colorSpace, CGBitmapInfo.ByteOrder32Little.rawValue | CGImageAlphaInfo.PremultipliedFirst.rawValue) | |
| let quartzImage = CGBitmapContextCreateImage(context) | |
| CVPixelBufferUnlockBaseAddress(imageBuffer,0) | |
| if let quartzImage = quartzImage { | |
| let image = UIImage(CGImage: quartzImage) | |
| return image | |
| } | |
| } | |
| return nil | |
| } |
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giving error on line 3
Cannot convert value of type 'Int' to expected argument type 'CVPixelBufferLockFlags'