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[gphoto-bugs] [ gphoto-Bugs-2866258 ] libgphoto 2.4.7 Capture With Multiple Cameras Fails
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From: SourceForge.net <no...@so...> - 2009-09-25 01:55:46
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Bugs item #2866258, was opened at 2009-09-24 21:53 Message generated for change (Comment added) made by danavidan You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=108874&aid=2866258&group_id=8874 Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: None Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: Dan Avidan (danavidan) Assigned to: Nobody/Anonymous (nobody) Summary: libgphoto 2.4.7 Capture With Multiple Cameras Fails Initial Comment: System: FC11 with latest updates/kernel Cameras: Two identical Canon PowerShot S2 IS (PTP mode) Cameras Description of problem: I am trying to remotely capture from two identical Canon PowerShot S2 Cameras. I am using libgphoto2 2.4.7 and gphoto2 2.4.7. I am using both the ---camera and --port attributes which I tought suppose to work according to this: http://www.nabble.com/multiple-ptpip-cameras-connected-over-usb-td24090139.html. However, while camera #1 is connected and completed capturing successfully, as soon as I connect camera #2, camera #1 fails to then capture again. Both cameras are detected correctly with gphoto2 --auto-detect: Model Port ---------------------------------------------------------- Canon PowerShot S2 IS (PTP mode) usb: Canon PowerShot S2 IS (PTP mode) usb:001,008 Canon PowerShot S2 IS (PTP mode) usb:001,007 Please see attached log (fc11_libgphoto2-2.4.7_multi_cam_failure.log) How reproducible: always Steps to Reproduce: 1. install gphoto 2.4.7 and libgphoto2 2.4.7 on FC11. 2. Connect camera #1 3. Sucessfuly set properties and capture from camera #1: /usr/local/bin/gphoto2 --camera "Canon PowerShot S2 IS (PTP mode)" --port usb:001,007 --set-config capture=on --set-config zoom=60 --set-config iso=0 --set-config ownername=dan --set-config capturetarget=0 /usr/local/bin/gphoto2 -camera "Canon PowerShot S2 IS (PTP mode)" --port usb:001,007 --capture-image-and-download --force-overwrite --filename=webcam.jpg 4. Connect camara #2 5. Try to capture from Camera #1 again using the above capture command (it fails) See the errors in the next comment pls ---------------------------------------------------------------------- Comment By: Dan Avidan (danavidan) Date: 2009-09-24 21:55 Message: Actual results: After connecting Camera #2, capture from Camera #1 fails with the follwoing errors: Canon Capture failed: 2ff *** Error (-1: 'Unspecified error') *** *** Error *** PTP I/O error *** Error *** An error occurred in the io-library ('Unspecified error'): No error description available *** Error (-1: 'Unspecified error') *** Expected results: I should be able to capture from both cameras despite the fact they are same make/model ---------------------------------------------------------------------- You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=108874&aid=2866258&group_id=8874 |