Questions tagged [gscam]

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GSCAM Error in ROS

Hello everyone. I have some questions about using gscam in ROS environment and i using NVIDIA Jetson TX2 board, gstreamer-1.0 first, i tried cmd ...
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using gscam with janus-gateway

When running my pipeline with gst-launch-1.0 in terminal, I get exactly what I want to see. However, when transferring that pipeline to my gscam launchfile, no video stream is recognized on the port. ...
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no image received error in rviz

Hi, I am using Ubuntu 12.04 with ROS hydro . Currently ,i am stuck with a error in rviz which states that " no image received" in status field under camera. I am using iball usb_cam. I ...
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roslaunch: using ampersand (&) in gscam config

Hi guys, I am trying to use an ampersand (&) in my launch file for gscam but it's apparently bad syntax. Here's the output: ...
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gscam error - "Failed to PAUSE stream, check your gstreamer configuration." and "Failed to initialize gscam stream!"

Hello, I tryed to launch a file on my computer that was working fine in another computer on my lab, something like Section 3. I found some solutions like : ...
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how to write subscriber and publisher for webcam?

Actually, I am new to ROS and its features. I want to know the code for subscriber and publisher for taking picture from my integrated laptop webcam and store in the hard drive. I am familiar with ...
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ROS Answers SE migration: error in gscam

After installing gscam when i run rosrun gscam gscam it shows error as:- ...
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How to transmit images from a camera?

Hi, I intend to public images from a wifi camera on a topic, i tried to use usb_cam but I think it does not support wifi, so i tried to download the gscam package but it is not available for indigo, ...
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ROS Hydro - Cannot commit gscam camera calibration (/set_camera_info not under /camera)

Hello, I started using ROS hydro (in ubuntu 12.04) very recently for a visual odometry project but I got stuck with the following problem: I installed gscam and it runs fine (or at least I think so ...
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Reading a video file (*.mp4) using gscam

I am trying to read a video file of mp4 type using gscam and display onto image_view. It seems working at the first try but it does not work again once it is terminated. Is there something I missed? I ...
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how to publish and sub camera in opencv

i've finished my opencv program ! I want to publish to pc other (LAN) What should I do Here my program opencv ...
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How to use multiple RGB cameras with ROS?

Hi dear ROS community! I would like to learn how to use multiple RGB cameras with ROS in a single PC. I already know how to use a single camera with the gscam package, I can read the video stream in ...
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How can I fix this launchfile?

Hi dear ROS community! I've started learning ROS a few months ago. Currently I'm trying to create my first launchfile that starts gscam and image_view packages to open a camera and visualize the video ...
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libyaml-cpp error when using catkin_make on gscam

I ran across a problem, probably because I deleted one day some files related to libyaml. Anyway when I try to build gscam (ros package) I get this error. ...
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err when using gscam

Hi Guys I tried to run gscam to get image from my camera but when I typed $ roslaunch gscam v4l.launch I got these errs: ...
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Package brown-perception on armhf

Hi, I'm trying to use a webcam on armhf. For testing on x86, with Electric/Ubuntu 10.04 it works and I can use gscam. With Groovy/Ubuntu1204 on x86, it will work as well with gscam. However, I find ...
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Issue with running gscam node

Hi, I have ROS Hydro, I am trying to run gscam node, I have exported the GSCAM_CONFIG but upon running the gscam node I get this error, which seems to be a linking error but I don't know how to ...
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How to start gscam in groovy/hydro?

Hi, There seems to be conflicting info about how to start and use gscam. http://wiki.ros.org/gscam states to go to the bin/ directory but http://answers.ros.org/question/91676/how-to-install-gscam/ ...
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Display problem with gscam

Hi everybody, I am trying to install gscam http://wiki.ros.org/gscam ans I have many problems . First, when I did the command rosrun gscam gscam I had the warning "Camera calibration file .ros/...
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Problem building gscam on groovy armhf

Hi, I'm trying to build gscam fro groovy on ubuntu 12.04armhf and get a message that quite a few deps are not released. Looking at the status page http://namniart.com/repos/status/groovy.html, it ...
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groovy gscam for 12.04armhf not existing?

Hi, I want to install groovy gscam on 12.04armhf and find it likely doesn't exist since it doesn't show up in synaptic, unlike groovy gscam on x86. Before I try to build it myself, has anyone else ...
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How to use ROS gscam to get grayscale image

I am using ubuntu 12.04, ROS hydro and gscam to read webcam. I can get color image easily by make ...
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how to install gscam

tried to install gscam in hydro but was unsuccessful following several answers on here for previous distributions of ros. can anyone help me out with a simple set of terminal instructions for hydro? ...
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Sync problem related to viso2

Hi All. I'm trying to setup and run Viso2 node in ros fuerte. I have a problem related to a sync warning in gscam, so I asked this question:http://answers.ros.org/question/84611/synchronized-problem-...
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How to install gscam in ROS hydro?

Hello, How can i install gscam for webcam images in ROS Hydro in ubuntu 12.04? I tried to install it using synaptic manager in ubuntu. But when i run "roscd gscam" in terminal, it says that ...
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gscam can no longer be run

I have used gscam for a while and I'm quite happy with it. However, since a week it will no longer start. I get the known 'PAUSED' error, but I don't think any ...
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gscam core dumped with ximagesrc

Hi, I want to use gscam for capturing a window image. First, I have perfomed a simple test with: $ export GSCAM_CONFIG="videotestsrc ! video/x-raw-rgb,framerate=5/1 ! ffmpegcolorspace" And ...
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viso2 mono_odometer data problem

I am using viso2 mono_odometer. I am sure packages are working good because I check rxgraph and topics are linked properly. The problem is the position data in mono_odometer is always around zero like ...
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GScam Issues on ARM OMAP4-hf (12.04 server/groovy)

I am working on getting ROS up and running on my Pandaboard ES using Ubuntu 12.04LTS Server and I am having trouble getting data out of the gscam_publisher. I am using a logitech 9000 pro webcam. ...
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Gscam cannot find plugins

Hello, i am trying to run gscam to send images using webcam and pandaboard. I have succesfyllu installed ros groovy robot distribution on pandaboard using ubuntu 12.10. When i try to run gscam i get ...
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Two cameras using gscam

Hello, How can I start two cameras using gscam? What i have to change in: export GSCAM_CONFIG="v4l2src device=/dev/video0 ! video/x-raw-rgb ! ffmpegcolorspace" and here: rosrun image_view ...
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Running two different cameras from uvc_camera driver?

Hi, I have a whole robotic system in which I have a camera mounted on a robotic arm. One more camera is mounted on the top of a frame from which I can see my whole robotic system. How can I start two ...
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How can I install gscam in ros fuerte

How do I install gscam for capturing videos from my webcam in ros fuerte? Originally posted by unais on ROS Answers with karma: 313 on 2013-04-15 Post score: 0
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How I get webcam to my browser using rosbridge

I want to show the webcam of my laptop to browser using ros. I see a better discussion at here. I am uses ros-fuerte. The problem is that I cant able to install gscam , mjpeg_server in my system. How ...
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How do I install gscam in groovy?

How do I install gscam in groovy and how do I find out in which deb a package is or find out that the deb does not exist anymore? Originally posted by TommyP on ROS Answers with karma: 1339 on 2013-...
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Running gscam simultaneously on multiple laptops having a common ROSmaster

I have three laptops of which one will act as the master. They are all connected to the same network. When I try to run gscam on one slave and access it from the master the setup works perfectly. But ...
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Time difference in showed and actual webcam image

Hi all, I'm using a Pandaboard ES (ARM) and would like to synchronize a webcam (logitech c920) and a kinect. I want to grab single frames on a keypress and save pcd and jpg to disk. Unfortunately is ...
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How to set arg to a node from launch file?

Hi everybody, I can't set the args of my gscam node by launch file (this node is different from the original,because I modified it). This is the most important piece of source of my modified gscam ...
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[solved] Scrambled image using gscam

I am trying to access canon vc-c50i on a pioneer. The onboard computer has Ubuntu 10.04 and diamondback installed in it. P2OS controls are working fine for the camera. I checked ptz functions. I tried ...
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how to call service set_camera_info of gscam package

Hi everybody, I'd like to call set_camera_info (sensor_msgs/SetCameraInfo) of gscam (http://www.ros.org/wiki/gscam). To do this, I've built a simple application: ...
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gscam issues with ip camera

Hi there, i have a problem in getting my ip cameras videostream into ROS. I try to use the gscam package from brown university. I followed the Webcam tutorial and edited it to manage the access to the ...
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how to use rosbridge, gscam to load video

Hi, all, I want to use rosbridge, gscam to load the video from the Webcam through socket on the browser, but no matter how I use the example from the brown-ros-pkg,...
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Gscam compilation error on Gumstix running Ubuntu 11.04

I am trying to install gscam on a Gumstix Overo COM. I have successfully installed the base ROS electric functions such as roscore, rosmake, etc. and I can run roscore. However, rosdep is not able to ...
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rosrun gscam on ubuntu 11.10

I am using ROS electric on Ubuntu 11.10. I have installed gscam and its rosmake was successfully. For running gscam, as in the gscam wiki is mentioned, I did these steps: roscd gscam cd bin export ...
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GSCAM over ubuntu server

Hi all.. i'm trying to add a web cam to my pionner at-e robot, i have ubuntu 10.4 server version (no x systems), i have already installed the required components of GSCAM and the compilation gives no ...
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Transmit a ROS Video topic via video stream

Hi everyone, I receive a Video stream from my Android device using gcam, process the ros video stream with ar_toolkit and opencv amen want to stream it back. How can I transfer a ros video topic to a ...
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Problem retrieving images from Canon vc-v50i camera

Hi, I'm using ROS electric and trying to retrieve images from canon vc-c50i camera using gscam and image_view, but when i ran image_view the window was gray and there is no image, despite of there is ...
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roslaunch gscam

Hi, is there any solution to launch gscam from launch file ? gscam needs to be started directly from bin dir, else it throws errors. I've found no working solution to changedir from roslauch. Any idea ...
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Cropped/displaced camera view in rviz (gscam)

I'm using gscam to stream the view from a USB camera. However, when viewing it in an rviz camera display only a cropped view is shown. It seems like the view is displaced by half the view size to the ...
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Duplicate images using GSCAM

Hi, I am trying to use GSCAM to capture video from a composite video input through a ViewCast Osprey 230 analogue video capture card. I have set GSCAM_CONFIG to: ...
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