hello,in this morning,I want to open the usb camera,but i find it could not work as usual,so can you have a look on my question?
i used package is the usb_cam which download from github.en,today i launch it have some error display
but i check the topic rostopic echo /usbcam/iamgeview have a lots of number so it could send camera value,when i run imageview imageview iamge:=/usbcam/imageview it show me the info
[ INFO] [1500775637.860427938]: Usingtransport "raw" Segmentation fault
Asked by zhangstar on 2017-07-22 21:43:24 UTC
Comments
core service [/rosout] found process[usb_cam-1]: started with pid [17475] process[image_view-2]: started with pid [17519] [ INFO] [1500775711.408311534]: Using transport "raw" [ INFO] [1500775711.477565338]: using default calibration URL [ INFO] [1500775711.477688770]: camera calibration URL: file:/
Asked by zhangstar on 2017-07-22 21:47:51 UTC
Obviously something has changed which is causing image_view to crash. Perhaps you upgraded something, installed a new package that required upgraded packages, or recompiled one of the libraries used by image_view?
Asked by ahendrix on 2017-07-23 17:06:57 UTC
i think this is a great reason maybe,but what to do I could work the usb_cam well ,please give me some advice,very thanks
Asked by zhangstar on 2017-07-24 20:45:20 UTC