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1

I am currently getting this error while trying to program an iOS app to view a frame sent over a TCP socket from a Java program using usbmuxd on a Mac.

2019-03-07 14:03:59.539127-0800 Dashboard[26848:9393967] [Unknown process name] copy_read_only: vm_copy failed: status 1.

Currently I don't know why it's failing, but the line it fails on is the UIImage.init call at the bottom.

Any help would be greatly appreciated.

Code:

class ViewController: UIViewController 

 @IBOutlet weak var cameraView: UIImageView!

 func echoService(client: TCPClient) 
 print("New client from:(client.address)[(client.port)]")
 var d = client.read(1280 * 720 * 4)
 var image = self.imageFromSampleBuffer(sampleBuffer: d!)
 cameraView.image = image
 client.close()
 

 override func viewDidLoad() 
 super.viewDidLoad()
 // Do any additional setup after loading the view, typically from a nib.
 let server = TCPServer(address: "127.0.0.1", port: 5000)
 switch server.listen() 
 case .success:
 while true 
 if var client = server.accept() 
 echoService(client: client)
 else 
 print("accept error")
 
 
 case .failure(let error):
 print(error)
 
 

 func imageFromSampleBuffer(sampleBuffer : Any) -> UIImage
 = CGImageAlphaInfo.premultipliedLast.rawValue & CGBitmapInfo.alphaInfoMask.rawValue
 let context = CGContext(data: &inputBuffer, width: 1280, height: 720, bitsPerComponent: 8,
 bytesPerRow: 1280 * 4, space: colorSpace, bitmapInfo: CGImageAlphaInfo.noneSkipFirst.rawValue);
 // Create a Quartz image from the pixel data in the bitmap graphics context
 let quartzImage = context!.makeImage();

 // Create an image object from the Quartz image
 let image = UIImage.init(cgImage: quartzImage!);

 return (image);
 

ios uiimage buffer cgcontext quartz

share|improve this question

edited Mar 9 at 6:40

John Panos

asked Mar 7 at 22:14

John PanosJohn Panos

63

add a comment | 

1

I am currently getting this error while trying to program an iOS app to view a frame sent over a TCP socket from a Java program using usbmuxd on a Mac.

2019-03-07 14:03:59.539127-0800 Dashboard[26848:9393967] [Unknown process name] copy_read_only: vm_copy failed: status 1.

Currently I don't know why it's failing, but the line it fails on is the UIImage.init call at the bottom.

Any help would be greatly appreciated.

Code:

class ViewController: UIViewController 

 @IBOutlet weak var cameraView: UIImageView!

 func echoService(client: TCPClient) 
 print("New client from:(client.address)[(client.port)]")
 var d = client.read(1280 * 720 * 4)
 var image = self.imageFromSampleBuffer(sampleBuffer: d!)
 cameraView.image = image
 client.close()
 

 override func viewDidLoad() 
 super.viewDidLoad()
 // Do any additional setup after loading the view, typically from a nib.
 let server = TCPServer(address: "127.0.0.1", port: 5000)
 switch server.listen() 
 case .success:
 while true 
 if var client = server.accept() 
 echoService(client: client)
 else 
 print("accept error")
 
 
 case .failure(let error):
 print(error)
 
 

 func imageFromSampleBuffer(sampleBuffer : Any) -> UIImage
 = CGImageAlphaInfo.premultipliedLast.rawValue & CGBitmapInfo.alphaInfoMask.rawValue
 let context = CGContext(data: &inputBuffer, width: 1280, height: 720, bitsPerComponent: 8,
 bytesPerRow: 1280 * 4, space: colorSpace, bitmapInfo: CGImageAlphaInfo.noneSkipFirst.rawValue);
 // Create a Quartz image from the pixel data in the bitmap graphics context
 let quartzImage = context!.makeImage();

 // Create an image object from the Quartz image
 let image = UIImage.init(cgImage: quartzImage!);

 return (image);
 

ios uiimage buffer cgcontext quartz

share|improve this question

edited Mar 9 at 6:40

John Panos

asked Mar 7 at 22:14

John PanosJohn Panos

63

add a comment | 

I am currently getting this error while trying to program an iOS app to view a frame sent over a TCP socket from a Java program using usbmuxd on a Mac.

2019-03-07 14:03:59.539127-0800 Dashboard[26848:9393967] [Unknown process name] copy_read_only: vm_copy failed: status 1.

Currently I don't know why it's failing, but the line it fails on is the UIImage.init call at the bottom.

Any help would be greatly appreciated.

Code:

class ViewController: UIViewController 

 @IBOutlet weak var cameraView: UIImageView!

 func echoService(client: TCPClient) 
 print("New client from:(client.address)[(client.port)]")
 var d = client.read(1280 * 720 * 4)
 var image = self.imageFromSampleBuffer(sampleBuffer: d!)
 cameraView.image = image
 client.close()
 

 override func viewDidLoad() 
 super.viewDidLoad()
 // Do any additional setup after loading the view, typically from a nib.
 let server = TCPServer(address: "127.0.0.1", port: 5000)
 switch server.listen() 
 case .success:
 while true 
 if var client = server.accept() 
 echoService(client: client)
 else 
 print("accept error")
 
 
 case .failure(let error):
 print(error)
 
 

 func imageFromSampleBuffer(sampleBuffer : Any) -> UIImage
 = CGImageAlphaInfo.premultipliedLast.rawValue & CGBitmapInfo.alphaInfoMask.rawValue
 let context = CGContext(data: &inputBuffer, width: 1280, height: 720, bitsPerComponent: 8,
 bytesPerRow: 1280 * 4, space: colorSpace, bitmapInfo: CGImageAlphaInfo.noneSkipFirst.rawValue);
 // Create a Quartz image from the pixel data in the bitmap graphics context
 let quartzImage = context!.makeImage();

 // Create an image object from the Quartz image
 let image = UIImage.init(cgImage: quartzImage!);

 return (image);
 

ios uiimage buffer cgcontext quartz

share|improve this question

edited Mar 9 at 6:40

John Panos

asked Mar 7 at 22:14

John PanosJohn Panos

63

2019-03-07 14:03:59.539127-0800 Dashboard[26848:9393967] [Unknown process name] copy_read_only: vm_copy failed: status 1.

class ViewController: UIViewController 

 @IBOutlet weak var cameraView: UIImageView!

 func echoService(client: TCPClient) 
 print("New client from:(client.address)[(client.port)]")
 var d = client.read(1280 * 720 * 4)
 var image = self.imageFromSampleBuffer(sampleBuffer: d!)
 cameraView.image = image
 client.close()
 

 override func viewDidLoad() 
 super.viewDidLoad()
 // Do any additional setup after loading the view, typically from a nib.
 let server = TCPServer(address: "127.0.0.1", port: 5000)
 switch server.listen() 
 case .success:
 while true 
 if var client = server.accept() 
 echoService(client: client)
 else 
 print("accept error")
 
 
 case .failure(let error):
 print(error)
 
 

 func imageFromSampleBuffer(sampleBuffer : Any) -> UIImage
 = CGImageAlphaInfo.premultipliedLast.rawValue & CGBitmapInfo.alphaInfoMask.rawValue
 let context = CGContext(data: &inputBuffer, width: 1280, height: 720, bitsPerComponent: 8,
 bytesPerRow: 1280 * 4, space: colorSpace, bitmapInfo: CGImageAlphaInfo.noneSkipFirst.rawValue);
 // Create a Quartz image from the pixel data in the bitmap graphics context
 let quartzImage = context!.makeImage();

 // Create an image object from the Quartz image
 let image = UIImage.init(cgImage: quartzImage!);

 return (image);
 

share|improve this question

edited Mar 9 at 6:40

John Panos

asked Mar 7 at 22:14

John PanosJohn Panos

63

share|improve this question

edited Mar 9 at 6:40

John Panos

asked Mar 7 at 22:14

John PanosJohn Panos

63

asked Mar 7 at 22:14

John PanosJohn Panos

63

asked Mar 7 at 22:14

John PanosJohn Panos

63