Unable to run under Catalina?

[terasgr]

Hello I am trying to run your software in Catalina, but unfortunately it doesn't do anything. When I type ./scanline -help the application freezes (doesn't do anything and doesn't return). I have to [ctr]-[c] to exit.

For reference, I have a Canon Lide 400 which works perfectly with image capture, but this situation is there even when the scanner is not connected.

[josephj]

+1

I have the same issue on macOS Mojave because of The operation couldn’t be completed. (com.apple.ImageCaptureCore error -9922.). It seems that the ImageCapture has changed something?

./scanline -verbose
Searching for available scanners
Waiting up to 10.0 seconds to find scanners
Found scanner: CanoScan LiDE 210
Opening session with scanner
didOpenSessionWithError: [no error]
deviceDidBecomeReady
didSelectFunctionalUnit: ICScannerFunctionalUnitFlatbed <0x7f9bee502350>:
  pixelDataType                            : ICScannerPixelDataTypeRGB
  supportedBitDepths                       : <NSMutableIndexSet: 0x7f9bee5021d0>[number of indexes: 3 (in 3 ranges), indexes: (1 8 16)]
  bitDepth                                 : 8
  supportedDocumentTypes                   : <NSMutableIndexSet: 0x7f9bee501a70>[number of indexes: 8 (in 4 ranges), indexes: (1-3 5 53 61-63)]
  documentType                             : 1
  physicalSize                             : [width = 21.61 cms, height = 29.70 cms]
  measurementUnit                          : 1
  supportedResolutions                     : <NSMutableIndexSet: 0x7f9bee503020>[number of indexes: 19126 (in 1 ranges), indexes: (75-19200)]
  preferredResolutions                     : <NSMutableIndexSet: 0x7f9bee503050>[number of indexes: 7 (in 7 ranges), indexes: (75 100 150 200 300 400 600)]
  resolution                               : 300
  overviewResolution                       : 300
  supportedScaleFactors                    : <NSMutableIndexSet: 0x7f9bee503140>[number of indexes: 376 (in 1 ranges), indexes: (25-400)]
  preferredScaleFactors                    : <NSMutableIndexSet: 0x7f9bee503170>[number of indexes: 14 (in 14 ranges), indexes: (50 70 78 83 85 91 94 97 100 104 141 200 300 400)]
  scaleFactor                              : 100
  acceptsThresholdForBlackAndWhiteScanning : YES
  usesThresholdForBlackAndWhiteScanning    : NO
  thresholdForBlackAndWhiteScanning        : 127
  templates                                : (null)
  vendorFeatures                           : (null)
  state                                    : 0x00000001
 error: [no error]
didSelectFunctionalUnit: ICScannerFunctionalUnitFlatbed <0x7f9bee502350>:
  pixelDataType                            : ICScannerPixelDataTypeRGB
  supportedBitDepths                       : <NSMutableIndexSet: 0x7f9bee5021d0>[number of indexes: 3 (in 3 ranges), indexes: (1 8 16)]
  bitDepth                                 : 8
  supportedDocumentTypes                   : <NSMutableIndexSet: 0x7f9bee501a70>[number of indexes: 8 (in 4 ranges), indexes: (1-3 5 53 61-63)]
  documentType                             : 1
  physicalSize                             : [width = 21.61 cms, height = 29.70 cms]
  measurementUnit                          : 1
  supportedResolutions                     : <NSMutableIndexSet: 0x7f9bee503020>[number of indexes: 19126 (in 1 ranges), indexes: (75-19200)]
  preferredResolutions                     : <NSMutableIndexSet: 0x7f9bee503050>[number of indexes: 7 (in 7 ranges), indexes: (75 100 150 200 300 400 600)]
  resolution                               : 300
  overviewResolution                       : 300
  supportedScaleFactors                    : <NSMutableIndexSet: 0x7f9bee503140>[number of indexes: 376 (in 1 ranges), indexes: (25-400)]
  preferredScaleFactors                    : <NSMutableIndexSet: 0x7f9bee503170>[number of indexes: 14 (in 14 ranges), indexes: (50 70 78 83 85 91 94 97 100 104 141 200 300 400)]
  scaleFactor                              : 100
  acceptsThresholdForBlackAndWhiteScanning : YES
  usesThresholdForBlackAndWhiteScanning    : NO
  thresholdForBlackAndWhiteScanning        : 127
  templates                                : (null)
  vendorFeatures                           : (null)
  state                                    : 0x00000001
 error: The operation couldn’t be completed. (com.apple.ImageCaptureCore error -9922.)

[martinfilliau]

I might have been able to fix that issue in https://github.com/martinfilliau/scanline/commits/catalina-compat . At least, it compiles and I can start the binary, but I do not have a scanner right now to test it. I will do a PR when I will be sure that it is OK. Please note, the binary in the branch catalina-compat is not up to date, therefore the code needs to be compiled to test it.

[terasgr]

I recompiled the app and I can confirm that the -help option works. Also the -list option works.

But it was unable to scan anything. The app still hangs there.

[martinfilliau]

@terasgr does it hang indefinitely? no error message at all?

I hope to have access to a scanner soon

[teras]

No messages at all, just stay there forever.

EDIT: Just to be sure, the way to scan a document is to run the command without any parameter, right?

[klep]

@teras -- if you run with any params, it should attempt to scan from the first scanner it finds. If it doesn't find one it'll time out.

I (finally) updated to Catalina, but I'm not experiencing this problem. The binary linked to in the README works, and compiling with XCode 11.3.1

[teras]

I found the problem If I was using the scanner as scanline name it didn't work.

Since you said it was working under the specific file, I tried to play around with the parameters. Now, if I use the scanner as scanline -flatbed name it works.

You can consider closing this bug report now! Thanks for the support.