From: Paul O. <new...@ki...> - 2010-02-18 18:28:59
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Hi, This 'Invalid argument' message is caused by kernel API incompatibility: sphere driver uses old (V4L) API dropped somewhere around 2.6.18 kernel. I guess your version of Ubuntu is running newer kernel, so you need to use V4L2-compatible driver (one of camerav4l2, camerauvc, cvcam; AFAIR sphere camera sends mpeg streams so camerav4l2 is rather not capable to work with it). As V4L2 API allows to open camera device more than once at the same time, you can actually run two different drivers for two different functionalities (image vs ptz). Try to configure two drivers in your Player server instance: 1. camerauvc or cvcam driver for obtaining camera image 2. sphereptz for pan-tilt-zoom control For blob detection you can try to use cmvision or simpleshape driver. Paul On Thu, 18 Feb 2010, Ezequiel A. Quintero Barrios wrote: > Hello Player/Stage users! > > I'm working with: > + Player 3.0.1 > + Ubuntu 9.04 > + Logitech QuickCam Sphere AF > + C/C++ > > I'm trying to control this device from Player, to take pictures and > blob detection. I've tried the 'sphere' driver, which is loaded > correctly when I start Player but when I try to use the camera commands > (like GetImageSize' or 'SaveFrame') from the control program, the > player server give me these errors: >> Setting up sphere driver >> fg_open(): get framebuffer failed; ignoring: Invalid argument >> fg_open(): get memory buffer: Invalid argument >> error : Setup(): unable to open >> error : Driver failed to Setup (-1) > > do you have any idea of why I'm getting these messages? > do you know where can I find any working examples of use for this > driver? or any other example for controlling this camera? > > Hope someone can help me out! > Regards! > > > > ------------------------------------------------------------------------------ > Download Intel® Parallel Studio Eval > Try the new software tools for yourself. Speed compiling, find bugs > proactively, and fine-tune applications for parallel performance. > See why Intel Parallel Studio got high marks during beta. > http://p.sf.net/sfu/intel-sw-dev > _______________________________________________ > Playerstage-users mailing list > Pla...@li... > https://lists.sourceforge.net/lists/listinfo/playerstage-users > |