ResourceNotFound: video_stream_opencv I've searched the web and there are many similar problems, but NONE of them had a solution! : /camera_name/. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 718, in _load_launch A string for a path for a video file, e.g. line 142, in _find line 142, in _find return f(*args, **kwds) line 718, in _load_launch line 132, in _load_config loader.load(f, config, verbose=verbose) Then the above opencv code can play that avi file well. is_core, verbose) 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. Checking log directory for disk usage. to your account. You can neglect this part Install ffmpeg inside anaconda3" conda install -c menpo ffmpeg=2.7.0, Hi. resolve_anon=self.resolve_anon) I ran a OpenCV 2.4.10. line 316, in resolve_args (sudo apt-get install ros-indigo-video-stream-opencv). raise ResourceNotFound(name, ros_paths=self._ros_paths) return substitution_args.resolve_args(args, context=context.resolve_dict, You can change those options depend on your needs. ***@***. Already on GitHub? Connect and share knowledge within a single location that is structured and easy to search. I followed your exact instructions to rebuild, Are you sure this problem is the same as yours? self._load_launch(launch, ros_config, is_core=core, filename=filename, argv=argv, verbose=verbose) If your target platform requires position independent binaries, you should pass the correct linking flag (e.g. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", line 132, in _load_config Press Ctrl-C to interrupt GitHub I've setup this package in my catkin workspace and used the following terminal commands to compile. line 188, in _find_executable Looks like you forgot to source your environment. Was the ZX Spectrum used for number crunching? I tested this in two environment. line 307, in main I have downloaded and installed this ROS package. to your account. A direct limitation of . Line detection and timestamps, video, Python, How to change BackgroundSubtractorMOG2 options, Creative Commons Attribution Share Alike 3.0. ), set_camera_fps and fps to whatever FPS it has. (Before ./configure you need to sudo apt-get install libmp3lame-dev with version 3.98.3). (1) Build ffmpeg Download ffmpeg-2.7.1.tar.bz2 :). source_path_to_packages=source_path_to_packages) File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", line 188, in _find_executable (using sudo apt-get install). from Stack Overflow. I haven't tried it out myself. inc_filename = self.resolve_args(tag.attributes['file'].value, context) you modify the launch file with a video file of yours? But it can't open a video. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", line 142, in _find File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", flip_vertical: flip vertically the image (upside down). yasm/nasm not found or too old. <, Thanks for the help. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/config.py", Reply to this email directly, view it on GitHub File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", self._start_infrastructure() line 183, in resolve_args not have any issues. : rtsp://wowzaec2demo.streamlock.net/vod/mp4:BigBuckBunny_115k.mov, Video files, anything you can play, e.g. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. line 217, in _start_infrastructure This may take awhile. line 451, in load_config_default File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", To capture a video, you need to create a VideoCapture object. did you try to open it with ffmpeg (opencv "wraps" ffmpeg) ? Thanks for commenting back! ROS path [1]=/home/osboxes/rosbuild_ws/package_dir ROS path [0]=/opt/ros/indigo/share/ros Just a simple task to get started. I am using Indigo on Ubuntu 14.04. line 95, in call File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", 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 osboxes@osboxes:~/catkin_ws/src/video_stream_opencv-master/launch$ roslaunch video_file.launch Sign up for a free GitHub account to open an issue and contact its maintainers and the community. from opencv-users.nabble.com, VideoCapture is not working in OpenCV 2.4.2 <, Normally one camera will be connected (as in my case). Use --disable-yasm for a crippled build. errors. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", I haven't found a direct way of doing this. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", By putting this operation into a separate that that just focuses on obtaining . Should I exit and re-enter EU with my EU passport or is it ok? File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", I think there is one more thing you can do about this. Asked: Mathematica cannot find square roots of some matrices? https://github.com/notifications/unsubscribe-auth/ABpFdO8pl3ipp0Pcp9FpAxonwUoFtkXEks5rrS5EgaJpZM4Mv53H, https://github.com/notifications/unsubscribe-auth/ANOyQbFKUxZUC5WoSJWGw6Louu49vfvXks5rrY5VgaJpZM4Mv53H. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/config.py", Japanese girlfriend visiting me in Canada - questions at border control? : 0 for /dev/video0. My vlc and mplayer can play this video, but the opencv can't. from answers.opencv.org, Cannot open .mp4 video files using OpenCV 2.4.3, Python 2.7 in _Windows 7 machine On the other hand, compiling OpenCV by hand . I have downloaded and installed this ROS package. from answers.opencv.org. Asking for help, clarification, or responding to other answers. To: ros-drivers/video_stream_opencv 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. Now the opencv code should play a mp4 file well! 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. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. line 746, in load Sign in return f(*args, **kwds) Have a question about this project? Any advice or help is much appreciated. ROS path [3]=/opt/ros/indigo/stacks from Stack Overflow, OpenCV 2.4 VideoCapture not working on Windows 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. This may take awhile. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", camera_info_url: camera info loading, take care as it needs the "file:///" at the start , e.g. self._recurse_load(ros_config, launch.childNodes, self.root_context, None, is_core, verbose) Insert your stream link into VLC player to confirm it is working. 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. A. Usage is <1GB. Can you share the ffmpeg command you used to go from .mp4 to .avi? Install the package from apt-get and that error should disappear. The video_stream_opencv package contains a node to publish a video stream (the protocols that Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. By clicking Sign up for GitHub, you agree to our terms of service and File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 183, in resolve_args You are receiving this because you are subscribed to this thread. Mp4 reading problem - I installed OpenCV 2.4.1 and python 2.7 and made a short program that reads the avi file successfully. Thanks! 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. Press Ctrl-C to interrupt inc_filename = self.resolve_args(tag.attributes['file'].value, context) errors. I tried a few but it won't open in opencv, it's missing header info. val = self._include_tag(tag, context, ros_config, default_machine, self._load_config() line 95, in call return substitution_args.resolve_args(args, context=context.resolve_dict, resolve_anon=self.resolve_anon) Cc: Kalghatgi, Roshan ; Author Despite knowing this is a codec problem, I tried many other ways but still couldn't solve it. ROS path [0]=/opt/ros/indigo/share/ros There is a SpooledTemporaryFile () implementation that will stay in memory, but, unfortunately, it won't create a file system name that OpenCV can reference. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 587, in _include_tag return substitution_args.resolve_args(args, context=context.resolve_dict, However, when I run the package I see the following : Video devices that appear in linux as /dev/videoX, e.g. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. privacy statement. full_path = _get_executable_path(rp.get_path(args[0]), path) self._recurse_load(ros_config, launch.childNodes, self.root_context, None, File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", It also supports flipping of images and fps throttling. src with no issues, I also executed the make install command and that did Any idea what's up here? : rtsp://wowzaec2demo.streamlock.net/vod/mp4:BigBuckBunny_115k.mov and http://10.68.0.6/mjpg/video.mjpg. ***>> wrote: Try changing codec inside the python opencv code. 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. ROS path [3]=/opt/ros/indigo/stacks Adding option --enable-libmp3lame enables png encoder. : 0 would be /dev/video0") If loop_videofile is true, loop playback is enabled. The opencv works fine when doing other things. You are receiving this because you are subscribed to this thread. hello i'm testing opencv with video. trying to open resource: /dev/video0 correctly opened resource, starting to show feed. We do not currently allow content pasted from ChatGPT on Stack Overflow; read our policy here. Well occasionally send you account related emails. : USB webcams appearing as /dev/video0, Video streamings, e.g. You signed in with another tab or window. ***:~/catkin_ws/src/video_stream_opencv-master/launch$ What will be the error that I will receive with this when the first problem is corrected? Thanks! File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", Thanks! get_path self._recurse_load(ros_config, launch.childNodes, self.root_context, None, line 746, in load Usage is <1GB. If you are on indigo you can just install the package with apt-get. What properties should my fictional HEAT rounds have to punch through heavy armor and ERA? Done checking log file disk usage. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", File "/usr/lib/python2.7/dist-packages/rospkg/rospack.py", line 203, in (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. However it fails to read mp4 file. The error messages never change. I did modify the launch file with an AVI file that I have on my desktop. resolved = _resolve_args(resolved, context, resolve_anon, commands) Traceback (most recent call last): How could my characters be tricked into thinking they are on Mars? Does a 120cc engine burn 120cc of fuel a minute? 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. So then I use the configure step above to reinstall. You are receiving this because you authored the thread. 2014-01-07 11:07:33 -0500, How to stream live video on html page (web server). 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. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 95, in call frame_id: frame_id to be published in the Header of the messages. roslaunch video_file.launch unzip 3.1.0.zip. ROS path [2]=/opt/ros/indigo/share Thanks for contributing an answer to Stack Overflow! Sent: Friday, March 31, 2017 7:38 PM Below are problems I think the same as mine. ROS path [0]=/opt/ros/kinetic/share/ros full_path = _get_executable_path(rp.get_path(args[0]), path) As you can see things can get really complicated with videos. Sorry, Im a bit of a novice with all of this, what would be the correct source command for this? 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. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", On Apr 1, 2017 03:48, "rkalghatgi" ***@***. buffer_queue_size: Will set the size of the buffer of images read from the capturing device. 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); Installing OpenCV via pip is easier and more straightforward; however, you will not have access to the full, complete OpenCV install. Books that explain fundamental chess concepts. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/init.py", line 307, in main How to make voltage plus/minus signs bolder? Why would Henry want to close the breach? 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. The first is to follow my "pip install opencv" tutorial. line 329, in _resolve_args Does nothing on video streams or video files. resolved = commands[command](resolved, a, args, context) The ROS Wiki is for ROS 1. Already on GitHub? If you want the shortest delay/lag set it to 1. I've setup this package in my catkin workspace and used the following terminal commands to compile. logging to /home/osboxes/.ros/log/51af9362-1628-11e7-a84f-080027f953fe/roslaunch-osboxes-4463.log Hello, ***:~/catkin_ws/src/video_stream_opencv-master/launch$ flip_horizontal: flip horizontally the image (mirror it). Traceback (most recent call last): Kinetic It should work. ROS path [3]=/opt/ros/indigo/stacks. Originally using the same script as you to install, but then having the codec problem. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", line 132, in _load_config 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). Also, did ***> wrote: Thanks! line 329, in _resolve_args File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 682, in _recurse_load File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/*init*.py", Thanks guys, that shed some light and I'm back on track! But I just know its possible. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", line 217, in _start_infrastructure 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. line 307, in main However, when I run the package I see the following errors. At last I tried rebuilding ffmpeg and opencv, then the problem was solved! I was able to build the src with no issues, I also executed the make install command and that did not have any issues. line 682, in _recurse_load This one mentions rebuilding ffmpeg! self._start_infrastructure() File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", 080027f953fe/roslaunch-osboxes-4463.log Otherwise when you is_core, verbose) did you try to skip a frame that could not be read and try the next one? In this problem, a, How did you install or configure OpenCV? ResourceNotFound: video_stream_opencv To learn more, see our tips on writing great answers. ROS path [2]=/opt/ros/indigo/share 080027f953fe/roslaunch-osboxes-4463.log line 268, in start File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 746, in load Are you using ROS 2 (Dashing/Foxy/Rolling)? Is there a higher analog of "category with all same side inverses is a groupoid"? Reply to this email directly, view it on GitHub 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/parent.py", line 268, in start OpenCV/ffmpeg does not play my mp4 video. 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. The error says it's not finding the package video_stream_opencv. raise ResourceNotFound(name, ros_paths=self._ros_paths) However, OpenCV is mainly a computer vision library, not a video stream, codec and write one. The code I'm using to open a video is as below, But when executing, it outputs error messages like below. val = self._include_tag(tag, context, ros_config, default_machine, At last I tried rebuilding ffmpeg and opencv, then the problem was solved! Then you can launch the launchfile you made. Why does the USA not have a constitutional court? resolved = _resolve_args(resolved, context, resolve_anon, commands) privacy statement. self._start_infrastructure() I have downloaded and installed this ROS package. 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. line 217, in _start_infrastructure and ret stores the return value and photo and store output of cap.read() this function will read the images. From: Sam Pfeiffer [mailto:notifications@github.com] roslaunch_strs=self.roslaunch_strs, verbose=self.verbose) This fact may or may not relate to this problem, just mentioning, in case anybody needs this information.). loop_videofile: flag of loop playback. The text was updated successfully, but these errors were encountered: Hello. Can i put a b-link on a standard mount rear derailleur to fit my direct mount frame. ROS path [0]=/opt/ros/indigo/share/ros Have installed all the requirements (I believe) but when I run the script I get the following warning and therefore no video is processed. Therefore, the developers tried to keep this part as simple as possible. Traceback (most recent call last): imshow . Checking log directory for disk usage. self._load_launch(launch, ros_config, is_core=core, filename=filename, File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", line 329, in _resolve_args I was able to build the src with no issues, I also executed the make install command and that did not have any issues. 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())") .. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", logging to /home/osboxes/.ros/log/51af9362-1628-11e7-a84f- Find centralized, trusted content and collaborate around the technologies you use most. This implementation uses threading for obtaining frames in a different thread since read () is a blocking operation. line 316, in resolve_args loader.load(f, config, verbose=verbose) Any advice or help is much appreciated. Does integrating PDOS give total charge of a system? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. 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. Further building options: https://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu, e.g. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", inc_filename = self.resolve_args(tag.attributes['file'].value, context) Usage is <1GB. Therefore I am sure that this is a codec problem. Making statements based on opinion; back them up with references or personal experience. In the first environment the opencv works, and in the other the opencv fails to play a video. Check out the ROS 2 Documentation. ROS path [2]=/opt/ros/indigo/share But in vain. File "/usr/lib/python2.7/dist-packages/rospkg/rospack.py", line 203, in get_path 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 . 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 ROS path [1]=/home/osboxes/rosbuild_ws/package_dir ResourceNotFound: video_stream_opencv logging to /home/osboxes/.ros/log/51af9362-1628-11e7-a84f- This may take awhile. is_core, verbose) 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). I was able to build the File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", 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. resolved = commands[command](resolved, a, args, context) File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", line 316, in resolve_args Checking log directory for disk usage. I have rebuilt opencv either with WITH_UNICAP=ON or with WITH_UNICAP=OFF, but it doesn't affect the problem at all. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", It works like a charm. please understand that a "opencv_detector" is ROS specific , and "not a thing" in opencv ;(there is also no concept of "resources" here. 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. get_path roslaunch_strs=self.roslaunch_strs, verbose=self.verbose) self._load_config() 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) . 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. Check it out if you are still exploring. You signed in with another tab or window. argv=argv, verbose=verbose) File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/*init*.py", raise ResourceNotFound(name, ros_paths=self._ros_paths) Done checking log file disk usage. line 188, in _find_executable File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/config.py", line 451, in load_config_default -pie) to --extra-ldexeflags. ResourceNotFound: video_stream_opencv ROS path [1]=/home/osboxes/rosbuild_ws/package_dir But the arguments weren't enough for me. I get a similar issue with all the launch files. That's why I tried to replace them. Dual EU/US Citizen entered EU on US Passport. However, when I run the package I see the following Would salt mines, lakes or flats be reasonably found in high, snowy elevations? return f(*args, **kwds) The video_stream_opencv package contains a node to publish a video stream (the protocols that It can open images and show images. Done checking log file disk usage. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", Following is my detailed rebuilding procedure. resolved = _resolve_args(resolved, context, resolve_anon, commands) : /home/user/Videos/myvideo.avi or a url of a video stream e.g. for ubuntu 14.04, this is how i fixed it. Following is my detailed rebuilding procedure. My overall end goal is to create a ros bag of the AVI file. How to do that? What is wrong in this inner product proof? camera_name: node name and ros graph name. fix the first problem you'll get another error about that :) line 183, in resolve_args Do you think that will work? roslaunch video_file.launch A device index is just the number to specify which camera. width and height: force a width and height to the capturing device (if it allows), 0 means no forcing. Would like to stay longer than 90 days. : "file:///$(find your_camera_package)/config/your_camera.yaml". By clicking Sign up for GitHub, you agree to our terms of service and So I simply pass 0 (or -1). line 268, in start 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'. Which values for window size and number of pyramids are reasonable for calcOpticalFlowPyrLK? 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? But it was totally useless. @xiawi What do you mean by that? Its argument can be either the device index or the name of a video file. I'm not sure is it a codec problem or not? source_path_to_packages=source_path_to_packages) If you omit this one then the make will jump out errors. 2 comments KyloEntro commented on Feb 22, 2021 OpenCV => 4.5.1 Operating System / Platform => Windows 10 Compiler => Visual studio 2019 Ye it does, I have test it out on Ubuntu 16.10 as well. If you encounter error: resolve_anon=self.resolve_anon) All topics will hang from this e.g. 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? Dear lord, that's a lot of stuff. Help us identify new roles for community members, Proposing a Community-Specific Closure Reason for non-English content. line 451, in load_config_default Hello, Here's a IP camera video streaming widget using OpenCV and cv2.VideoCapture.read (). line 587, in _include_tag 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. 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. is on its way, but not yet. src with no issues, I also executed the make install command and that did and here is a simple(single-thread mjpg) idea in python. self._load_launch(launch, ros_config, is_core=core, filename=filename, p.start() source_path_to_packages=source_path_to_packages) We read as fast as possible (in another thread) from the device and store in the buffer the images. rev2022.12.11.43106. Try to install some that thing and some this thing. 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 I grep AVC: nal size and find the libraries contain this error message are opencv-2.4.8/3rdparty/lib/libavcodec.a etc. Ready to optimize your JavaScript with Rust? val = self._include_tag(tag, context, ros_config, default_machine, is_core, verbose) File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", But it turns out that this is a bad idea. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", 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. Zorn's lemma: old friend or historical relic? Sign in I was able to build the VedioCapture(0) stores the function address and '0' for storing the webcam. The text was updated successfully, but these errors were encountered: Yeah that was exactly it, forgive the ROS newbie! I have installed x264 and libx264-142 codec package. Not the answer you're looking for? line 718, in _load_launch p.start() You can use the 'appsrc' element in GStreamer to do this. Subject: Re: [ros-drivers/video_stream_opencv] Resource Not Found (, On Apr 1, 2017 03:48, "rkalghatgi" ***@***.******@***. Hello, I have downloaded and installed this ROS package. @AnnieFromTaiwan. Press Ctrl-C to interrupt argv=argv, verbose=verbose) self._load_config() Only the last one -D CMAKE_SHARED_LINKER_FLAGS=-Wl,-Bsymbolic is the key option. 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. is_core, verbose) Due to this OpenCV for video containers supports only the avi extension, its first version. but i still think it is this 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: To subscribe to this RSS feed, copy and paste this URL into your RSS reader. ROS path [1]=/opt/ros/kinetic/share. I converted that mp4 file to an avi file with ffmpeg. The second option is to compile OpenCV 4 from source using my How to install OpenCV 4 on Ubuntu guide. Any advice or help is much appreciated. line 682, in _recurse_load not have any issues. 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 . raise ResourceNotFound(name, ros_paths=self._ros_paths) File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", roslaunch_strs=self.roslaunch_strs, verbose=self.verbose) resolved = commands[command](resolved, a, args, context) 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. ***@***. Why is there an extra peak in the Lomb-Scargle periodogram? File "/usr/lib/python2.7/dist-packages/rospkg/rospack.py", line 203, in line 587, in _include_tag Do bracers of armor stack with magic armor enhancements and special abilities? 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. p.start() But both printed out same codec 828601953.0. 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). Well occasionally send you account related emails. Have a question about this project? loader.load(f, config, verbose=verbose) : myvideo.avi. 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). full_path = _get_executable_path(rp.get_path(args[0]), path) If you don't want to lose images set it higher. argv) < 2: print ( "You must give an argument to open a video stream.") print ( " It can be a number as video device, e.g. And then you should be able to do rosbag record /camera/image_raw to make a rosbag of the video as you pointed. However, when I run the package I see the following errors. So it works with mp4 files after that? Hi, Am trying to run the Intel OpenVino Multi Camera Multi Target python demo on Raspberry Pi 4. The main thread consumes from the buffer. 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. Reply to this email directly, view it on GitHub<. 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