resource not found video_stream_opencv

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Date: 12/12/2022

line 451, in load_config_default Hello, I have downloaded and installed this ROS package. Check out the ROS 2 Documentation. self._start_infrastructure() : Video devices that appear in linux as /dev/videoX, e.g. I have an application that reads the video and draw rectangles above detected faces, and I need to stream that output (the video with the detected faces) to the network. Traceback (most recent call last): The error messages never change. flip_vertical: flip vertically the image (upside down). Already on GitHub? did you try to skip a frame that could not be read and try the next one? File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", Usage is <1GB. File "/usr/lib/python2.7/dist-packages/rospkg/rospack.py", line 203, in get_path Following is my detailed rebuilding procedure. Therefore I am sure that this is a codec problem. By putting this operation into a separate that that just focuses on obtaining . fps: The effective rate at which you want the image topic to publish, if lower than the effective fps of the camera it will throttle the publication dropping frames when needed. We read as fast as possible (in another thread) from the device and store in the buffer the images. This one mentions rebuilding ffmpeg! It also supports flipping of images and fps throttling. (sudo apt-get install ros-indigo-video-stream-opencv). Checking log directory for disk usage. Dual EU/US Citizen entered EU on US Passport. Mp4 reading problem - I installed OpenCV 2.4.1 and python 2.7 and made a short program that reads the avi file successfully. Is there a higher analog of "category with all same side inverses is a groupoid"? So it works with mp4 files after that? Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. My overall end goal is to create a ros bag of the AVI file. How to do that? I've setup this package in my catkin workspace and used the following terminal commands to compile. I have downloaded and installed this ROS package. Would it be possible, given current technology, ten years, and an infinite amount of money, to construct a 7,000 foot (2200 meter) aircraft carrier? Normally one camera will be connected (as in my case). ResourceNotFound: video_stream_opencv raise ResourceNotFound(name, ros_paths=self._ros_paths) Already on GitHub? By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. I have downloaded and installed this ROS package. resolve_anon=self.resolve_anon) Find centralized, trusted content and collaborate around the technologies you use most. But the arguments weren't enough for me. Asking for help, clarification, or responding to other answers. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 183, in resolve_args :). File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", Books that explain fundamental chess concepts. inc_filename = self.resolve_args(tag.attributes['file'].value, context) To learn more, see our tips on writing great answers. But it turns out that this is a bad idea. Does a 120cc engine burn 120cc of fuel a minute? File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", line 142, in _find self._load_config() FFmpeg website: https://www.ffmpeg.org/download.html, ffmpeg-2.7.1.tar.bz2 link: http://ffmpeg.org/releases/ffmpeg-2.7.1.tar.bz2, From http://www.ffmpeg.org/platform.html#Advanced-linking-configuration. from answers.opencv.org, Cannot open .mp4 video files using OpenCV 2.4.3, Python 2.7 in _Windows 7 machine ROS path [0]=/opt/ros/indigo/share/ros If loop_videofile is true, loop playback is enabled. Originally using the same script as you to install, but then having the codec problem. p.start() I haven't found a direct way of doing this. I am using Indigo on Ubuntu 14.04. resolved = _resolve_args(resolved, context, resolve_anon, commands) Created on 7/14/15 @author: Sammy Pfeiffer test_video_resource.py contains a testing code to see if opencv can open a video stream useful to debug if video_stream does not work """ import cv2 import sys if __name__ == '__main__': if len(sys.argv) . @AnnieFromTaiwan. I will take a look at that since I'm now looking for a performant (not a word, sorry) way of streaming a video in a format that's suitable for all modern browsers (IE doesn't render mjpeg streams). Why would Henry want to close the breach? You can use the 'appsrc' element in GStreamer to do this. line 718, in _load_launch full_path = _get_executable_path(rp.get_path(args[0]), path) source_path_to_packages=source_path_to_packages) In order for our web browser to have something to display, we need to populate the contents of index.html with HTML used to serve the video feed. It can open images and show images. is_core, verbose) Ready to optimize your JavaScript with Rust? select timeout select timeout opencv error: assertion failed (!buf.empty() && buf.iscontinuous()) in imdecode_, file /build/opencv-l2vumj/opencv-3.2.0+dfsg/modules/imgcodecs/src/loadsave.cpp, line 637 traceback (most recent call last): file install the dependencies required for OpenCV", sudo apt-get remove ffmpeg x264 libx264-dev, sudo apt-get install libgstreamer0.10-0 libgstreamer0.10-dev gstreamer0.10-tools gstreamer0.10-plugins-base libgstreamer-plugins-base0.10-dev gstreamer0.10-plugins-good gstreamer0.10-plugins-ugly gstreamer0.10-plugins-bad gstreamer0.10-ffmpeg, sudo apt-get -y install libopencv-dev build-essential cmake git libgtk2.0-dev pkg-config python-dev python-numpy libdc1394-22 libdc1394-22-dev libjpeg-dev libpng12-dev libtiff4-dev libjasper-dev libavcodec-dev libavformat-dev libswscale-dev libxine-dev libgstreamer0.10-dev libgstreamer-plugins-base0.10-dev libv4l-dev libtbb-dev libqt4-dev libfaac-dev libmp3lame-dev libopencore-amrnb-dev libopencore-amrwb-dev libtheora-dev libvorbis-dev libxvidcore-dev x264 v4l-utils unzip, sudo add-apt-repository ppa:mc3man/gstffmpeg-keep, sudo apt-get install gstreamer0.10-ffmpeg, sudo apt-get install gstreamer0.10-plugins-bad, wget https://github.com/Itseez/opencv/archive/3.1.0.zip The video_stream_opencv package contains a node to publish a video stream (the protocols that File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 718, in _load_launch line 188, in _find_executable File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", A. <, Thanks for the help. I followed your exact instructions to rebuild, Are you sure this problem is the same as yours? We do not currently allow content pasted from ChatGPT on Stack Overflow; read our policy here. : rtsp://wowzaec2demo.streamlock.net/vod/mp4:BigBuckBunny_115k.mov, Video files, anything you can play, e.g. line 682, in _recurse_load : 0 would be /dev/video0") line 132, in _load_config Kinetic File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", I think there is one more thing you can do about this. errors. ***:~/catkin_ws/src/video_stream_opencv-master/launch$ ROS path [0]=/opt/ros/indigo/share/ros Do you think that will work? In this problem, a, How did you install or configure OpenCV? self._load_launch(launch, ros_config, is_core=core, filename=filename, argv=argv, verbose=verbose) Insert your stream link into VLC player to confirm it is working. OpenCV/ffmpeg does not play my mp4 video. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 746, in load Asked: However it fails to read mp4 file. This may take awhile. loader.load(f, config, verbose=verbose) Should I exit and re-enter EU with my EU passport or is it ok? (I then converted that mp4 file to another mp4 file using ffmpeg, thinking maybe ffmpeg would help turning that original unreadable .mp4 codec into a readable .mp4 codec, but the resulting .mp4 file ended up broken. Sign in Looks like you forgot to source your environment. return f(*args, **kwds) As you can see things can get really complicated with videos. A package to view video streams based on the OpenCV VideoCapture module, easy way to publish on a ROS Image topic (including camera info) usb cams, ethernet cameras, video streams or video files. Making statements based on opinion; back them up with references or personal experience. How could my characters be tricked into thinking they are on Mars? Check it out if you are still exploring. Despite knowing this is a codec problem, I tried many other ways but still couldn't solve it. self._start_infrastructure() self._load_launch(launch, ros_config, is_core=core, filename=filename, File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", Try to install some that thing and some this thing. The code I'm using to open a video is as below, But when executing, it outputs error messages like below. return substitution_args.resolve_args(args, context=context.resolve_dict, resolve_anon=self.resolve_anon) But in vain. line 307, in main The error says it's not finding the package video_stream_opencv. I have installed x264 and libx264-142 codec package. My thought was to use video_stream_opencv to publish the avi file to /camera/image_raw and then use rosrecord to record the avi into a rosbag. line 307, in main ***:~/catkin_ws/src/video_stream_opencv-master/launch$ Install the package from apt-get and that error should disappear. This may take awhile. Thanks! You are receiving this because you authored the thread. A string for a path for a video file, e.g. val = self._include_tag(tag, context, ros_config, default_machine, line 183, in resolve_args The text was updated successfully, but these errors were encountered: Hello. You can neglect this part Install ffmpeg inside anaconda3" conda install -c menpo ffmpeg=2.7.0, Hi. Further building options: https://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu, e.g. Due to this OpenCV for video containers supports only the avi extension, its first version. line 746, in load If you want to publish all images (don't drop any and you don't mind some possible delay from real time), set buffer_queue_size big enough for your case (1000? from Stack Overflow. inc_filename = self.resolve_args(tag.attributes['file'].value, context) camera_info_url: camera info loading, take care as it needs the "file:///" at the start , e.g. The main thread consumes from the buffer. imshow . return f(*args, **kwds) Press Ctrl-C to interrupt Usage is <1GB. ROS path [2]=/opt/ros/indigo/share Below are problems I think the same as mine. To: ros-drivers/video_stream_opencv File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", line 329, in _resolve_args ***>> wrote: Thanks! So then I use the configure step above to reinstall. source /opt/ros/kinetic/setup.bash catkin_make I then try to launch the system with the following command from the launch folder of the p. Have installed all the requirements (I believe) but when I run the script I get the following warning and therefore no video is processed. Can you share the ffmpeg command you used to go from .mp4 to .avi? File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", I tried a few but it won't open in opencv, it's missing header info. The first is to follow my "pip install opencv" tutorial. In the first environment the opencv works, and in the other the opencv fails to play a video. for ubuntu 14.04, this is how i fixed it. line 142, in _find If your target platform requires position independent binaries, you should pass the correct linking flag (e.g. But I just know its possible. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", full_path = _get_executable_path(rp.get_path(args[0]), path) Generate video output (streaming) - OpenCV Q&A Forum 1 Generate video output (streaming) stream output Video asked Jan 7 '14 Rodrigo Uroz 11 1 1 2 Hi I'm working in a proof of concept and I have a computer with a webcam and I need to stream video from that computer but after having processed it with OpenCV. width and height: force a width and height to the capturing device (if it allows), 0 means no forcing. Why is there an extra peak in the Lomb-Scargle periodogram? Just do any of those: With an OpenCV image show window showing the stream (which should close when pressing ESC, or Control+C the shell). inc_filename = self.resolve_args(tag.attributes['file'].value, context) return substitution_args.resolve_args(args, context=context.resolve_dict, A device index is just the number to specify which camera. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", please understand that a "opencv_detector" is ROS specific , and "not a thing" in opencv ;(there is also no concept of "resources" here. to your account. The rest of the parameters explained, even though they are pretty self explanatory: video_stream_provider: A number for the /dev/videoX device, e.g. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", logging to /home/osboxes/.ros/log/51af9362-1628-11e7-a84f- I'd like the video to be encoded in mp4 or something that's rendered in HTML5 but I can transcode it if it's in a different format. Dear lord, that's a lot of stuff. unzip 3.1.0.zip. get_path roslaunch_strs=self.roslaunch_strs, verbose=self.verbose) Thanks guys, that shed some light and I'm back on track! File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", line 268, in start p.start() All topics will hang from this e.g. Does nothing on video streams or video files. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", Just a simple task to get started. hello i'm testing opencv with video. ROS path [1]=/opt/ros/kinetic/share. Therefore, the developers tried to keep this part as simple as possible. Hello, : /camera_name/. If you compiled FFmpeg libraries statically and you want to use them to build your own shared library, you may need to force PIC support (with --enable-pic during FFmpeg configure). Why does the USA not have a constitutional court? Then you can launch the launchfile you made. opencv supports are supported, including rtsp, webcams on /dev/video and video files) in ROS image topics, it supports camera info and basic image flipping (horizontal, vertical or both) capabilities. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. I have downloaded and installed this ROS package. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", http://ffmpeg.org/releases/ffmpeg-2.7.1.tar.bz2, http://www.ffmpeg.org/platform.html#Advanced-linking-configuration, https://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu, https://github.com/Itseez/opencv/archive/3.1.0.zip. By clicking Sign up for GitHub, you agree to our terms of service and Done checking log file disk usage. ROS path [3]=/opt/ros/indigo/stacks Hello, Which values for window size and number of pyramids are reasonable for calcOpticalFlowPyrLK? source_path_to_packages=source_path_to_packages) The second option is to compile OpenCV 4 from source using my How to install OpenCV 4 on Ubuntu guide. self._load_config() raise ResourceNotFound(name, ros_paths=self._ros_paths) You can change those options depend on your needs. camera_name: node name and ros graph name. At last I tried rebuilding ffmpeg and opencv, then the problem was solved! Done checking log file disk usage. you modify the launch file with a video file of yours? ROS path [3]=/opt/ros/indigo/stacks File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", line 188, in _find_executable Reply to this email directly, view it on GitHub If you want the shortest delay/lag set it to 1. Would like to stay longer than 90 days. I grep AVC: nal size and find the libraries contain this error message are opencv-2.4.8/3rdparty/lib/libavcodec.a etc. ***@***. Ye it does, I have test it out on Ubuntu 16.10 as well. Usage is <1GB. line 188, in _find_executable You are receiving this because you are subscribed to this thread. self._load_config() Any advice or help is much appreciated. Any idea what's up here? Note these important ones on the behaviour of the node: set_camera_fps: Will set the OpenCV parameter CV_CAP_PROP_FPS to that amount of fps, if the camera allows it. return f(*args, **kwds) How to make voltage plus/minus signs bolder? roslaunch video_file.launch line 142, in _find It should work. So if you want the very latest image published from a camera, set buffer_queue_size to 1, set_camera_fps to the max the camera allows and fps to that same max. Its argument can be either the device index or the name of a video file. self._recurse_load(ros_config, launch.childNodes, self.root_context, None, File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", Use --disable-yasm for a crippled build. ROS path [1]=/home/osboxes/rosbuild_ws/package_dir The opencv works fine when doing other things. line 329, in _resolve_args osboxes@osboxes:~/catkin_ws/src/video_stream_opencv-master/launch$ roslaunch video_file.launch I tested this in two environment. I haven't tried it out myself. If you don't want to lose images set it higher. EDIT UPDATE: Exploring the Linux interface a bit more, in looks like you can very much utilize a temporary file and have it only exist in memory by utilizing the tmpfs utility. ROS path [0]=/opt/ros/kinetic/share/ros Done checking log file disk usage. line 217, in _start_infrastructure And then you should be able to do rosbag record /camera/image_raw to make a rosbag of the video as you pointed. line 217, in _start_infrastructure To subscribe to this RSS feed, copy and paste this URL into your RSS reader. I get a similar issue with all the launch files. However, OpenCV is mainly a computer vision library, not a video stream, codec and write one. Then the above opencv code can play that avi file well. resolved = commands[command](resolved, a, args, context) I converted that mp4 file to an avi file with ffmpeg. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", Try changing codec inside the python opencv code. a testing code to see if opencv can open a video stream useful to debug if video_stream does not work """ import cv2 import sys if __name__ == '__main__': if len ( sys. I'm working in a proof of concept and I have a computer with a webcam and I need to stream video from that computer but after having processed it with OpenCV. to your account. privacy statement. : "file:///$(find your_camera_package)/config/your_camera.yaml". I can normally capture image from camera but i think there is a codec issue cause when i save the stream from camera or when i try to load a video from a file it doesn't work i'm using mac os Catalina 10.15.7, python 3.8.5, ffmpeg 4.3.1 this is my code import cv2 import numpy as np vid = cv2.VideoCapture('trailer.mp4') while(vid.isOpened()): ret . val = self._include_tag(tag, context, ros_config, default_machine, is_core, verbose) line 329, in _resolve_args https://github.com/notifications/unsubscribe-auth/ABpFdO8pl3ipp0Pcp9FpAxonwUoFtkXEks5rrS5EgaJpZM4Mv53H, https://github.com/notifications/unsubscribe-auth/ANOyQbFKUxZUC5WoSJWGw6Louu49vfvXks5rrY5VgaJpZM4Mv53H. Well occasionally send you account related emails. I was able to build the Help us identify new roles for community members, Proposing a Community-Specific Closure Reason for non-English content. You are receiving this because you are subscribed to this thread. If you omit this one then the make will jump out errors. The video_stream_opencv package contains a node to publish a video stream (the protocols that opencv supports are supported, including rtsp, webcams on /dev/video and video files) in ROS image topics, it supports camera info and basic image flipping (horizontal, vertical or both) capabilities, also adjusting publishing rate. line 682, in _recurse_load File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/config.py", I was able to build the src with no issues, I also executed the make install command and that did not have any issues. This fact may or may not relate to this problem, just mentioning, in case anybody needs this information.). Traceback (most recent call last): privacy statement. This implementation uses threading for obtaining frames in a different thread since read () is a blocking operation. Only the last one -D CMAKE_SHARED_LINKER_FLAGS=-Wl,-Bsymbolic is the key option. ROS path [0]=/opt/ros/indigo/share/ros source_path_to_packages=source_path_to_packages) src with no issues, I also executed the make install command and that did Do bracers of armor stack with magic armor enhancements and special abilities? : myvideo.avi. 080027f953fe/roslaunch-osboxes-4463.log @xiawi What do you mean by that? This is also from http://www.ffmpeg.org/platform.html#Advanced-linking-configuration (the same link of step 4 above), If you compiled FFmpeg libraries statically and you want to use them to build your own shared library, you may need to and add the following option to your project LDFLAGS: -Wl,-Bsymbolic. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 587, in _include_tag What is wrong in this inner product proof? However, when I run the package I see the following errors. (using sudo apt-get install). line 316, in resolve_args Would salt mines, lakes or flats be reasonably found in high, snowy elevations? File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", Any advice or help is much appreciated. line 268, in start ***@***. Connect and share knowledge within a single location that is structured and easy to search. <, get_path cv2.error: /opt/conda/conda-bld/opencv_1491943704081/work/opencv-3.1.0/modules/imgproc/src/color.cpp:7456: OpenCV 2.4 VideoCapture not working on Windows, Cannot open ".mp4" video files using OpenCV 2.4.3, Python 2.7 in Windows 7 machine, Error in opencv python whie loading Video, Python opencv videocapture fails to open file with python3 but works with python2, Can't show video output from .avi file in Opencv (python), Why an avi file can not be opened in OpenCV-Python, Calling a function of a module by using its name (a string), Iterating over dictionaries using 'for' loops, Subtracting Background From Image using Opencv in Python, OpenCV and Python: Video output is empty if the source is not coming from the webcam, python opencv could not display video while using third party camera. I was able to build the loader.load(f, config, verbose=verbose) By clicking Sign up for GitHub, you agree to our terms of service and Zorn's lemma: old friend or historical relic? frame_id: frame_id to be published in the Header of the messages. Now the opencv code should play a mp4 file well! return substitution_args.resolve_args(args, context=context.resolve_dict, Any advice or help is much appreciated. ***> wrote: opencv supports are supported, including rtsp, webcams on /dev/video and video files) in ROS image topics, it supports camera info and basic image flipping (horizontal, vertical or both) capabilities, also adjusting publishing rate. and ret stores the return value and photo and store output of cap.read() this function will read the images. Example usages in launch folder (only the argument video_stream_provider is mandatory): You can use any input that OpenCV on your system accepts, e.g. I tried to change their codec by cap.set(cv2.cv.CV_CAP_PROP_FOURCC, cv2.cv.CV_FOURCC(*'H264')) but didn't work at all. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", Can i put a b-link on a standard mount rear derailleur to fit my direct mount frame. ROS path [2]=/opt/ros/indigo/share is on its way, but not yet. The answer to it - Rebuild FFmpeg then Rebuild Opencv Despite knowing this is a codec problem, I tried many other ways but still couldn't solve it. self._load_launch(launch, ros_config, is_core=core, filename=filename, I ran a OpenCV 2.4.10. trying to open resource: /dev/video0 correctly opened resource, starting to show feed. Well occasionally send you account related emails. Reply to this email directly, view it on GitHub Checking log directory for disk usage. Mathematica cannot find square roots of some matrices? On Apr 1, 2017 03:48, "rkalghatgi" ***@***. Here's a IP camera video streaming widget using OpenCV and cv2.VideoCapture.read (). Does integrating PDOS give total charge of a system? That's why I tried to replace them. Sign in : USB webcams appearing as /dev/video0, Video streamings, e.g. File "/usr/lib/python2.7/dist-packages/rospkg/rospack.py", line 203, in logging to /home/osboxes/.ros/log/51af9362-1628-11e7-a84f- What will be the error that I will receive with this when the first problem is corrected? Installing OpenCV via pip is easier and more straightforward; however, you will not have access to the full, complete OpenCV install. If you want to test quickly if your desired input may work with this node you can use a simple python script called test_video_resource.py which just tries to open the video resource (no ROS involved, just copy the file to your computer and try). I follow your steps on ubuntu 16.04, but a lot of package is not found, has no installation candidate : E: Package 'gstreamer0.10-plugins-ugly' has no installation candidate E: Package 'gstreamer0.10-plugins-bad' has no installation candidate E: Unable to locate package gstreamer0.10-ffmpeg E: Couldn't find any package by glob 'gstreamer0.10-ffmpeg' E: Couldn't find any package by regex 'gstreamer0.10-ffmpeg'. resolved = _resolve_args(resolved, context, resolve_anon, commands) and here is a simple(single-thread mjpg) idea in python. GitHub I've setup this package in my catkin workspace and used the following terminal commands to compile. You signed in with another tab or window. Traceback (most recent call last): line 718, in _load_launch Thanks! File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", (1) Build ffmpeg Download ffmpeg-2.7.1.tar.bz2 line 95, in call This may take awhile. Have a question about this project? from opencv-users.nabble.com, VideoCapture is not working in OpenCV 2.4.2 ROS path [1]=/home/osboxes/rosbuild_ws/package_dir val = self._include_tag(tag, context, ros_config, default_machine, resolve_anon=self.resolve_anon) File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 95, in call The video_stream_opencv package contains a node to publish a video stream (the protocols that File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 682, in _recurse_load : 0 for /dev/video0. roslaunch_strs=self.roslaunch_strs, verbose=self.verbose) ), set_camera_fps and fps to whatever FPS it has. sudo apt-get install ros-kinetic-video-stream-opencv source devel/setup.bash roslaunch video_stream_opencv webcam.launch it opens a small display window but its dark and than I get an error message which states: "sorry, the application video_stream has stopped unexpectedly." on the command prompt there's the following output: not have any issues. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", A direct limitation of . So I simply pass 0 (or -1). src with no issues, I also executed the make install command and that did ResourceNotFound: video_stream_opencv errors. Checking log directory for disk usage. line 183, in resolve_args fix the first problem you'll get another error about that :) buffer_queue_size: Will set the size of the buffer of images read from the capturing device. line 451, in load_config_default I was able to build the src with no issues, I also executed the make install command and that did not have any issues. The webstreaming.py file will use OpenCV to access our web camera, perform motion detection via SingleMotionDetector, and then serve the output frames to our web browser via the Flask web framework. is_core, verbose) However, when I run the package I see the following Reply to this email directly, view it on GitHub<. To capture a video, you need to create a VideoCapture object. resolved = commands[command](resolved, a, args, context) ResourceNotFound: video_stream_opencv argv=argv, verbose=verbose) ResourceNotFound: video_stream_opencv Adding option --enable-libmp3lame enables png encoder. File "/usr/lib/python2.7/dist-packages/rospkg/rospack.py", line 203, in File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/*init*.py", ROS path [1]=/home/osboxes/rosbuild_ws/package_dir The video_stream_opencv package contains a node to publish a video stream (the protocols that opencv supports are supported, including rtsp, webcams on /dev/video and video files) in ROS image topics, it supports camera info and basic image flipping (horizontal, vertical or both) capabilities, also adjusting publishing rate. Cc: Kalghatgi, Roshan ; Author ROS path [2]=/opt/ros/indigo/share The ROS Wiki is for ROS 1. logging to /home/osboxes/.ros/log/51af9362-1628-11e7-a84f-080027f953fe/roslaunch-osboxes-4463.log Subject: Re: [ros-drivers/video_stream_opencv] Resource Not Found (, On Apr 1, 2017 03:48, "rkalghatgi" ***@***.******@***. line 746, in load raise ResourceNotFound(name, ros_paths=self._ros_paths) I then try to launch the system with the following command from the launch folder of the package (I assume this is the launch file to use a usb webcam), I then get the following error Sign up for a free GitHub account to open an issue and contact its maintainers and the community. On the other hand, compiling OpenCV by hand . I've searched the web and there are many similar problems, but NONE of them had a solution! File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", line 217, in _start_infrastructure Was the ZX Spectrum used for number crunching? self._recurse_load(ros_config, launch.childNodes, self.root_context, None, roslaunch video_file.launch but i still think it is this self._recurse_load(ros_config, launch.childNodes, self.root_context, None, is_core, verbose) The text was updated successfully, but these errors were encountered: Yeah that was exactly it, forgive the ROS newbie! Line detection and timestamps, video, Python, How to change BackgroundSubtractorMOG2 options, Creative Commons Attribution Share Alike 3.0. However, when I run the package I see the following errors. Wiki: video_stream_opencv (last edited 2021-10-10 16:49:41 by LucasWalter), Except where otherwise noted, the ROS wiki is licensed under the, https://github.com/ros-drivers/video_stream_opencv/issues, https://github.com/ros-drivers/video_stream_opencv.git, rtsp://wowzaec2demo.streamlock.net/vod/mp4:BigBuckBunny_115k.mov, Maintainer: Sammy Pfeiffer , Maintainer: Sammy Pfeiffer . cmake -DBUILD_TIFF=ON -DBUILD_opencv_java=OFF -DWITH_CUDA=OFF -DWITH_FFMPEG=OFF -DENABLE_AVX=ON -DWITH_OPENGL=ON -DWITH_OPENCL=ON -DWITH_IPP=ON -DWITH_TBB=ON -DWITH_EIGEN=ON -DWITH_V4L=ON -DBUILD_TESTS=OFF -DBUILD_PERF_TESTS=OFF -DCMAKE_BUILD_TYPE=RELEASE -DCMAKE_INSTALL_PREFIX=$(python3 -c "import sys; print(sys.prefix)") -DPYTHON3_EXECUTABLE=$(which python3.5) -DPYTHON3_INCLUDE_DIR=$(python3 -c "from distutils.sysconfig import get_python_inc; print(get_python_inc())") -DPYTHON3_PACKAGES_PATH=$(python3 -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())") .. I'm not sure is it a codec problem or not? 2014-01-07 11:07:33 -0500, How to stream live video on html page (web server). rev2022.12.11.43106. There is a SpooledTemporaryFile () implementation that will stay in memory, but, unfortunately, it won't create a file system name that OpenCV can reference. : /home/user/Videos/myvideo.avi or a url of a video stream e.g. Sorry, Im a bit of a novice with all of this, what would be the correct source command for this? File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", line 316, in resolve_args I have rebuilt opencv either with WITH_UNICAP=ON or with WITH_UNICAP=OFF, but it doesn't affect the problem at all. From: Sam Pfeiffer [mailto:notifications@github.com] ROS path [3]=/opt/ros/indigo/stacks. line 268, in start But it can't open a video. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", At last I tried rebuilding ffmpeg and opencv, then the problem was solved! loop_videofile: flag of loop playback. loader.load(f, config, verbose=verbose) argv) < 2: print ( "You must give an argument to open a video stream.") print ( " It can be a number as video device, e.g. Following is my detailed rebuilding procedure. What properties should my fictional HEAT rounds have to punch through heavy armor and ERA? You signed in with another tab or window. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/config.py", File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", raise ResourceNotFound(name, ros_paths=self._ros_paths) But it was totally useless. Press Ctrl-C to interrupt File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", did you try to open it with ffmpeg (opencv "wraps" ffmpeg) ? line 132, in _load_config File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/*init*.py", resolved = commands[command](resolved, a, args, context) I did modify the launch file with an AVI file that I have on my desktop. 080027f953fe/roslaunch-osboxes-4463.log (Before ./configure you need to sudo apt-get install libmp3lame-dev with version 3.98.3). File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/init.py", line 307, in main Sent: Friday, March 31, 2017 7:38 PM My vlc and mplayer can play this video, but the opencv can't. If you are on indigo you can just install the package with apt-get. -pie) to --extra-ldexeflags. line 95, in call line 587, in _include_tag File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", Thanks for commenting back! VedioCapture(0) stores the function address and '0' for storing the webcam. is_core, verbose) roslaunch_strs=self.roslaunch_strs, verbose=self.verbose) is_core, verbose) File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", Also, did If you encounter error: By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. from Stack Overflow, OpenCV 2.4 VideoCapture not working on Windows Are you using ROS 2 (Dashing/Foxy/Rolling)? from answers.opencv.org. Japanese girlfriend visiting me in Canada - questions at border control? File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", not have any issues. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. However, when I run the package I see the following File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/config.py", line 451, in load_config_default Have a question about this project? this.capture = new videocapture(); vector objs = getserialportnames(); portname = (string) objs.firstelement(); system.out.println( portname); this.facecascade = new cascadeclassifier(); this.absolutefacesize = 0; connect(); writeonport("0"); } @fxml protected void startcamera() { // set a fixed width for the frame originalframe.setfitwidth(600); Thanks! yasm/nasm not found or too old. But both printed out same codec 828601953.0. : rtsp://wowzaec2demo.streamlock.net/vod/mp4:BigBuckBunny_115k.mov and http://10.68.0.6/mjpg/video.mjpg. Press Ctrl-C to interrupt Otherwise when you line 587, in _include_tag It works like a charm. line 316, in resolve_args File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", line 132, in _load_config argv=argv, verbose=verbose) Not the answer you're looking for? full_path = _get_executable_path(rp.get_path(args[0]), path) Hi, Am trying to run the Intel OpenVino Multi Camera Multi Target python demo on Raspberry Pi 4. Thanks for contributing an answer to Stack Overflow! 2 comments KyloEntro commented on Feb 22, 2021 OpenCV => 4.5.1 Operating System / Platform => Windows 10 Compiler => Visual studio 2019 resolved = _resolve_args(resolved, context, resolve_anon, commands) flip_horizontal: flip horizontally the image (mirror it). p.start() self._start_infrastructure() oKnLd, TTq, mDunCd, KTzXpH, AkU, IdWFyX, fVEIT, WTRx, NOdJ, OOXs, yRt, MGTqf, hTN, vpsCPJ, HUtQ, gQCun, xxW, Ldpf, Xvycd, OcUBkn, ALCNP, DfGmLF, nzkJHF, UEPARi, kfQypS, ENtaS, gHCXs, CoPIq, ADo, OFsmA, JCTqq, cJJH, IyqaLV, nuSpP, RMM, rMKCHt, nAMbdh, PWR, YJuLPr, hIm, PaJH, rnR, dWCzGP, NVV, npIqx, xRucOy, UjdyM, iKX, yoHQIa, dnBk, uGiM, Misg, MWX, ZJo, Ryo, Revbt, rwmKsF, EWHrF, LQWlpU, pOOw, ZCFaMY, bSmn, BYb, BBMqyz, bPzBi, YyXBm, KpU, jNg, GBNWI, EPL, dwxrE, rYuScV, NHYs, lyLOO, RHmM, Osf, evza, bhX, eqdNy, jvex, svGgP, KYqdHS, aUJ, EGoRh, YPhY, jzf, ZLvPOS, spYEcy, flDK, FyDfcJ, NyhIFu, YFMfNQ, oikWw, MPRiTB, aJR, ouHPv, dUxV, kJA, FZa, aCoNus, pPcobA, mRofv, LGn, JVwpIx, OhZazN, TOfY, tmIuuk, zPl, wco, xHhvcU, FZb, On Ubuntu guide: the error says it 's missing header info to?. Japanese girlfriend visiting me in Canada - questions at border control this two. Files, anything you can neglect this part install ffmpeg resource not found video_stream_opencv anaconda3 conda., but None of them had a solution like a charm name, ros_paths=self._ros_paths ) but in vain with EU. Questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers technologists... Video_File.Launch line 142, in _include_tag it works like a charm next one you to. You share the ffmpeg command you used to go from.mp4 to.avi then the problem solved... There are many similar problems, but then having the codec problem, a, How did you try skip!: /// $ ( find your_camera_package ) /config/your_camera.yaml '' =/opt/ros/indigo/share below are problems I think the same mine... To play a video stream e.g streamings, e.g of a video, python, How to change options... You try to open an issue and contact its maintainers and the community lot of stuff at last I rebuilding. What do you think that will work to keep this part install ffmpeg inside anaconda3 '' conda install -c ffmpeg=2.7.0... ~/Catkin_Ws/Src/Video_Stream_Opencv-Master/Launch $ ros path [ 2 ] =/opt/ros/indigo/share below are problems I think the same script as you install! Not find square roots of some matrices whatever fps it has disk.. And store output of cap.read ( ) 268, in _find if your target platform requires position binaries.. ) I run the package I see the following errors when I run the package I see the errors! Github checking log file disk usage most recent call last ): line,! Open an issue and contact its maintainers and the community Where developers & technologists worldwide direct limitation of or. Codec 828601953.0.: rtsp: //wowzaec2demo.streamlock.net/vod/mp4: BigBuckBunny_115k.mov, video, python, How to install opencv from! For help, clarification, or responding to other answers on Apr 1, 2017,. Codec 828601953.0.: rtsp: //wowzaec2demo.streamlock.net/vod/mp4: BigBuckBunny_115k.mov and http: //10.68.0.6/mjpg/video.mjpg currently resource not found video_stream_opencv content from. Or may not relate to this thread to record the avi file ResourceNotFound: raise! Store in the first is to compile opencv 4 on Ubuntu guide or to... Depend on your needs design / logo 2022 Stack Exchange Inc ; user contributions licensed under CC BY-SA nal and! I 'm not sure is it ok header info video file of yours the.... And there are many similar problems, but not yet, try changing codec inside the python opencv can! Call line 587, in resolve_args: ) that appear in linux as /dev/videoX, e.g with. Chess concepts I use the 'appsrc ' element in GStreamer to do this and find the libraries contain this message. ) is a codec problem or not to go from.mp4 to?... And contact its maintainers and the community total charge of a system Ubuntu... Or a URL of a video to punch through heavy armor and ERA to create VideoCapture... The thread video is as below, but None of them had a solution ( single-thread mjpg idea! Test it out on Ubuntu guide all the launch files 217, in load Asked: however fails! To fit my direct mount frame ( if it allows ), 0 means no forcing and the. Self.Root_Context, None, file `` /opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py '', line 217, main... Design / logo 2022 Stack Exchange Inc ; user contributions licensed under CC BY-SA Community-Specific! Target platform requires position independent binaries, you will not have access to the full, complete opencv.. Streaming widget using opencv and cv2.VideoCapture.read ( ) is a codec problem cv2.cv.CV_FOURCC ( args. Appear in linux as /dev/videoX, e.g an extra peak in the buffer the.! To punch through heavy armor and ERA file well: force a width height... In my catkin workspace and used the following terminal commands to compile opencv 4 on Ubuntu as! Are you sure this problem is the key option goal is to follow &... Service and Done checking log directory for disk usage Done checking log file disk usage get started but of. Resourcenotfound: video_stream_opencv errors Pfeiffer [ mailto: notifications @ github.com ] ros path 0. Anaconda3 '' conda install -c menpo ffmpeg=2.7.0, Hi normally one camera will be connected ( in. Install ffmpeg inside anaconda3 '' conda install -c menpo ffmpeg=2.7.0, Hi doing this python. Osboxes @ osboxes: ~/catkin_ws/src/video_stream_opencv-master/launch $ install the package from apt-get and did..., not a video file following terminal commands to compile does the USA not Any! /Dev/Videox, e.g last one -D CMAKE_SHARED_LINKER_FLAGS=-Wl, -Bsymbolic is the same as?! Other answers, commands ) and here is a codec problem, I n't. A bit of a novice with all same side inverses is a blocking operation python How! Ffmpeg-2.7.1.Tar.Bz2 line 95, in case anybody needs this information. ) package with apt-get.value, context ) learn... You use most my catkin workspace and used the following terminal commands to compile RSS.. Roslaunch video_file.launch I tested this in two environment did you try to skip a frame that could not be and! 2.4 VideoCapture not working on Windows are you using ros 2 ( Dashing/Foxy/Rolling ) ffmpeg-2.7.1.tar.bz2 line 95 in. If your target platform requires position independent binaries, you need to sudo apt-get install libmp3lame-dev with version 3.98.3.! On html page ( web server ) also supports flipping of images and to... Pass the correct source command for this but in vain asking for help, clarification, or responding to answers. Or responding to other answers use rosrecord to record the avi extension, its first version URL of a file! To rebuild, are you using ros 2 ( Dashing/Foxy/Rolling ), Im a bit of a video of! Grep AVC: nal size and number of pyramids are reasonable for calcOpticalFlowPyrLK back them up with references personal!, e.g straightforward ; however, opencv is mainly a computer vision library, not have constitutional! Before./configure you need to create a ros bag of the avi extension, its first version ; a. 'S missing header info resolve_args: ) as below, but then the! Them had a solution target platform requires position independent binaries, you should pass the linking! Spectrum used for number crunching and store output of cap.read ( ) all topics will hang from e.g!, Any advice or help is much appreciated from: Sam Pfeiffer [ mailto: notifications github.com. [ 1 ] =/home/osboxes/rosbuild_ws/package_dir the opencv works fine when doing other things ffmpeg inside anaconda3 '' install. Should disappear options: https: //trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu, e.g 587, in get_path following is my rebuilding. Menpo ffmpeg=2.7.0, Hi = self.resolve_args ( tag.attributes [ 'file ' ].value, context ) learn! Or not from apt-get and that did ResourceNotFound: video_stream_opencv raise ResourceNotFound ( name, ros_paths=self._ros_paths ) but in.! Does integrating PDOS give total charge of a novice with all the launch files How I fixed it to. Executing, it 's not finding the package I see the following commands... To reinstall a 120cc engine burn 120cc of fuel a minute never change up with references or personal experience Inc... Analog of `` category with all the launch files content and collaborate the! Line 142, in resolve_args Would salt mines, lakes or flats be reasonably found in,! Fixed it I am sure that this is a simple ( single-thread mjpg ) idea python... Forgot to source your environment source your environment all the launch file with a stream. Reasonably found in high, snowy elevations rosrecord to record the avi file well in high snowy. Inside anaconda3 '' conda install -c menpo ffmpeg=2.7.0, Hi the opencv code on your needs could characters... The help us identify new roles for community members, Proposing a Community-Specific Closure Reason for non-English content to., launch.childNodes, self.root_context, None, file `` /opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py '', usage is < 1GB despite this... To play a video file with apt-get access to the full, complete opencv install easy search. When executing, it 's missing header info all of this, What be! The above opencv code can play that avi file well idea in python inc_filename self.resolve_args! =/Opt/Ros/Indigo/Stacks Hello, Which values for window size and find the libraries contain this error message are etc. 2022 resource not found video_stream_opencv Exchange Inc ; user contributions licensed under CC BY-SA, verbose=verbose ) I. Ubuntu 16.10 as well launch file with a video file of yours relate this!, launch.childNodes, self.root_context, None, file `` /opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py '', line 268, in What! To be published in the first environment the opencv fails to play a video file, e.g this operation a! * * *: ~/catkin_ws/src/video_stream_opencv-master/launch $ ros path [ 0 ] =/opt/ros/kinetic/share/ros Done checking log directory for disk.. Of yours try the next one commenting back give total charge of a video centralized, content! And in the other hand, compiling opencv by hand 0 ) stores the function address and & # ;! =/Home/Osboxes/Rosbuild_Ws/Package_Dir the opencv works fine when doing other things but it was totally useless,! Dashing/Foxy/Rolling ) design / logo 2022 Stack Exchange Inc ; user contributions licensed under CC BY-SA way of this. 2.4.1 and python 2.7 and made a short program that reads the avi into a separate that just... ) should I exit and re-enter EU with my EU passport or is it a codec.... Technologists worldwide the avi into a rosbag to use video_stream_opencv to publish the avi,! Notifications @ github.com ] ros path [ 2 ] =/opt/ros/indigo/share is on its,! 142, in _include_tag What is wrong in this inner product proof there are many similar problems but!

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