Kei Okada

the timestamp is simply copied from uvc_driver (https://github.com/ros-drivers/libuvc_ros/blob/master/libuvc_camera/src/camera_driver.cpp#L165 ) , and if that is zero, then it libuvc driver failed to grab capture time, may be better to ask at...

@doisyg, sorry for late replay, I found that libuvc never set timestamp(https://github.com/ktossell/libuvc/blob/master/src/stream.c#L1100) so I think it is `libuvc_ros` work to set timestamp I have created the pull request here ->...

this is strange, because we can compile succedssfully on kinetic/16.04 within travis https://travis-ci.org/ros-drivers/gscam/jobs/424261350

1. what is the content of gscam2.launch 2. did you try other camera driver? https://github.com/bosch-ros-pkg/usb_cam/ https://github.com/ktossell/libuvc_ros/ https://github.com/ktossell/camera_umd/ https://github.com/ros-drivers/video_stream_opencv/ https://github.com/OTL/cv_camera

> I want to use gstreamer pipeline for using my camera which function of gstreamer are you using?

It seems 1.0 version of gscam is only released on lunar -> https://github.com/ros-drivers-gbp/gscam-release, so what you can do right now is 1. download latest source code from https://github.com/ros-drivers/gscam and compile...

tips: to use this with latest noetic branch, we may need https://github.com/ros-drivers/rosserial/pull/448.

did you 'source devel/setup.bash' after 'catkin_make' ?

I choose joint controller framework because we do not care about i/o part in state publisher. I'm not sure how easy to reuse i/o part in standalone ROS node, but...

updated. more error handling.