Created
December 9, 2015 06:36
-
-
Save darcwader/b8b3dce61b119cefca6f to your computer and use it in GitHub Desktop.
Convert SampleBuffer to UIImage in AVCaptureVideoDataOutputSampleBufferDelegate in Swift
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
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 | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
giving error on line 3
Cannot convert value of type 'Int' to expected argument type 'CVPixelBufferLockFlags'