you modify the launch file with a video file of yours? I am using Indigo on Ubuntu 14.04. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Do bracers of armor stack with magic armor enhancements and special abilities? self._start_infrastructure() The main thread consumes from the buffer. Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. and ret stores the return value and photo and store output of cap.read() this function will read the images. 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/xmlloader.py", line 587, in _include_tag Despite knowing this is a codec problem, I tried many other ways but still couldn't solve it. Was the ZX Spectrum used for number crunching? This may take awhile. We do not currently allow content pasted from ChatGPT on Stack Overflow; read our policy here. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", line 268, in start roslaunch_strs=self.roslaunch_strs, verbose=self.verbose) (sudo apt-get install ros-indigo-video-stream-opencv). ROS path [1]=/opt/ros/kinetic/share. That's why I tried to replace them. Checking log directory for disk usage. What will be the error that I will receive with this when the first problem is corrected? 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. : 0 would be /dev/video0") The opencv works fine when doing other things. 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. Insert your stream link into VLC player to confirm it is working. resolved = _resolve_args(resolved, context, resolve_anon, commands) 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). Checking log directory for disk usage. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.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. The ROS Wiki is for ROS 1. Now the opencv code should play a mp4 file well! loader.load(f, config, verbose=verbose) File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", ResourceNotFound: video_stream_opencv 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. Its argument can be either the device index or the name of a video file. self._load_launch(launch, ros_config, is_core=core, filename=filename, argv=argv, verbose=verbose) File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", 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. 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 Try to install some that thing and some this thing. Can i put a b-link on a standard mount rear derailleur to fit my direct mount frame. 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: Any advice or help is much appreciated. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", How to make voltage plus/minus signs bolder? This may take awhile. Hello, 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. Find centralized, trusted content and collaborate around the technologies you use most. raise ResourceNotFound(name, ros_paths=self._ros_paths) 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) . It works like a charm. I tested this in two environment. self._recurse_load(ros_config, launch.childNodes, self.root_context, None, source_path_to_packages=source_path_to_packages) return substitution_args.resolve_args(args, context=context.resolve_dict, Does nothing on video streams or video files. ROS path [0]=/opt/ros/indigo/share/ros self._load_launch(launch, ros_config, is_core=core, filename=filename, If you want the shortest delay/lag set it to 1. line 132, in _load_config source_path_to_packages=source_path_to_packages) -pie) to --extra-ldexeflags. @xiawi What do you mean by that? Done checking log file disk usage. So I simply pass 0 (or -1). It also supports flipping of images and fps throttling. OpenCV/ffmpeg does not play my mp4 video. 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. Usage is <1GB. width and height: force a width and height to the capturing device (if it allows), 0 means no forcing. What is wrong in this inner product proof? Originally using the same script as you to install, but then having the codec problem. line 307, in main raise ResourceNotFound(name, ros_paths=self._ros_paths) Press Ctrl-C to interrupt line 95, in call File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", frame_id: frame_id to be published in the Header of the messages. loader.load(f, config, verbose=verbose) unzip 3.1.0.zip. Hello, I converted that mp4 file to an avi file with ffmpeg. : Video devices that appear in linux as /dev/videoX, e.g. resolved = _resolve_args(resolved, context, resolve_anon, commands) Why would Henry want to close the breach? line 183, in resolve_args This implementation uses threading for obtaining frames in a different thread since read () is a blocking operation. not have any issues. Further building options: https://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu, e.g. hello i'm testing opencv with video. (1) Build ffmpeg Download ffmpeg-2.7.1.tar.bz2 I was able to build the Thanks! loop_videofile: flag of loop playback. line 188, in _find_executable line 316, in resolve_args You signed in with another tab or window. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/init.py", line 307, in main The first is to follow my "pip install opencv" tutorial. self._start_infrastructure() 080027f953fe/roslaunch-osboxes-4463.log Also, did Here's a IP camera video streaming widget using OpenCV and cv2.VideoCapture.read (). line 587, in _include_tag In this problem, a, How did you install or configure OpenCV? Adding option --enable-libmp3lame enables png encoder. to your account. Traceback (most recent call last): 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? 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. line 95, in call A direct limitation of . I get a similar issue with all the launch files. We read as fast as possible (in another thread) from the device and store in the buffer the images. resolve_anon=self.resolve_anon) To: ros-drivers/video_stream_opencv Only the last one -D CMAKE_SHARED_LINKER_FLAGS=-Wl,-Bsymbolic is the key option. line 217, in _start_infrastructure 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. resolved = commands[command](resolved, a, args, context) The second option is to compile OpenCV 4 from source using my How to install OpenCV 4 on Ubuntu guide. from Stack Overflow, OpenCV 2.4 VideoCapture not working on Windows File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", 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/xmlloader.py", line 682, in _recurse_load I have downloaded and installed this ROS package. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. return f(*args, **kwds) Zorn's lemma: old friend or historical relic? inc_filename = self.resolve_args(tag.attributes['file'].value, context) At last I tried rebuilding ffmpeg and opencv, then the problem was solved! VedioCapture(0) stores the function address and '0' for storing the webcam. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", You signed in with another tab or window. line 746, in load File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", line 217, in _start_infrastructure Install the package from apt-get and that error should disappear. 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. I'm not sure is it a codec problem or not? All topics will hang from this 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. argv=argv, verbose=verbose) Following is my detailed rebuilding procedure. Any advice or help is much appreciated. Thanks! 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). Usage is <1GB. line 587, in _include_tag I have downloaded and installed this ROS package. ***:~/catkin_ws/src/video_stream_opencv-master/launch$ return substitution_args.resolve_args(args, context=context.resolve_dict, line 217, in _start_infrastructure 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). But it can't open a video. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", line 329, in _resolve_args 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); raise ResourceNotFound(name, ros_paths=self._ros_paths) line 718, in _load_launch self._start_infrastructure() If your target platform requires position independent binaries, you should pass the correct linking flag (e.g. Thanks for contributing an answer to Stack Overflow! The error messages never change. <, Thanks for the help. : rtsp://wowzaec2demo.streamlock.net/vod/mp4:BigBuckBunny_115k.mov, Video files, anything you can play, e.g. Japanese girlfriend visiting me in Canada - questions at border control? Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. self._recurse_load(ros_config, launch.childNodes, self.root_context, None, is_core, verbose) : /camera_name/. My overall end goal is to create a ros bag of the AVI file. : "file:///$(find your_camera_package)/config/your_camera.yaml". File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/*init*.py", However, when I run the package I see the following errors. from Stack Overflow. 2014-01-07 11:07:33 -0500, How to stream live video on html page (web server). ***@***. line 142, in _find Dear lord, that's a lot of stuff. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 183, in resolve_args for ubuntu 14.04, this is how i fixed it. line 746, in load You are receiving this because you are subscribed to this thread. If loop_videofile is true, loop playback is enabled. line 718, in _load_launch errors. 080027f953fe/roslaunch-osboxes-4463.log Have a question about this project? To learn more, see our tips on writing great answers. Are you using ROS 2 (Dashing/Foxy/Rolling)? File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", : 0 for /dev/video0. https://github.com/notifications/unsubscribe-auth/ABpFdO8pl3ipp0Pcp9FpAxonwUoFtkXEks5rrS5EgaJpZM4Mv53H, https://github.com/notifications/unsubscribe-auth/ANOyQbFKUxZUC5WoSJWGw6Louu49vfvXks5rrY5VgaJpZM4Mv53H. resolve_anon=self.resolve_anon) Then the above opencv code can play that avi file well. inc_filename = self.resolve_args(tag.attributes['file'].value, context) is_core, verbose) full_path = _get_executable_path(rp.get_path(args[0]), path) to your account. line 307, in main Try changing codec inside the python opencv code. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", If you encounter error: val = self._include_tag(tag, context, ros_config, default_machine, is_core, verbose) To capture a video, you need to create a VideoCapture object. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", p.start() But the arguments weren't enough for me. line 268, in start Why does the USA not have a constitutional court? ResourceNotFound: video_stream_opencv I ran a OpenCV 2.4.10. rev2022.12.11.43106. But both printed out same codec 828601953.0. Sign in 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? On the other hand, compiling OpenCV by hand . I think there is one more thing you can do about this. logging to /home/osboxes/.ros/log/51af9362-1628-11e7-a84f-080027f953fe/roslaunch-osboxes-4463.log 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 . I have installed x264 and libx264-142 codec package. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", line 718, in _load_launch Well occasionally send you account related emails. not have any issues. There is a SpooledTemporaryFile () implementation that will stay in memory, but, unfortunately, it won't create a file system name that OpenCV can reference. p.start() ROS path [0]=/opt/ros/indigo/share/ros did you try to open it with ffmpeg (opencv "wraps" ffmpeg) ? Reply to this email directly, view it on GitHub<. Already on GitHub? line 329, in _resolve_args line 188, in _find_executable camera_info_url: camera info loading, take care as it needs the "file:///" at the start , e.g. Cc: Kalghatgi, Roshan ; Author File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/config.py", 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 Thanks for commenting back! File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", Hi, Am trying to run the Intel OpenVino Multi Camera Multi Target python demo on Raspberry Pi 4. File "/usr/lib/python2.7/dist-packages/rospkg/rospack.py", line 203, in Well occasionally send you account related emails. Kinetic Asking for help, clarification, or responding to other answers. self._load_config() Check out the ROS 2 Documentation. If you omit this one then the make will jump out errors. Ye it does, I have test it out on Ubuntu 16.10 as well. 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. Done checking log file disk usage. Help us identify new roles for community members, Proposing a Community-Specific Closure Reason for non-English content. File "/usr/lib/python2.7/dist-packages/rospkg/rospack.py", line 203, in The error says it's not finding the package video_stream_opencv. 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). line 268, in start source_path_to_packages=source_path_to_packages) ), set_camera_fps and fps to whatever FPS it has. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", 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'. but i still think it is this I haven't found a direct way of doing this. What properties should my fictional HEAT rounds have to punch through heavy armor and ERA? It can open images and show images. resolved = commands[command](resolved, a, args, context) Asked: 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 return f(*args, **kwds) line 316, in resolve_args ROS path [2]=/opt/ros/indigo/share is_core, verbose) 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 . 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. errors. 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. I haven't tried it out myself. Therefore I am sure that this is a codec problem. line 682, in _recurse_load File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", line 316, in resolve_args roslaunch_strs=self.roslaunch_strs, verbose=self.verbose) 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())") .. Otherwise when you privacy statement. Following is my detailed rebuilding procedure. Thanks guys, that shed some light and I'm back on track! Therefore, the developers tried to keep this part as simple as possible. p.start() However it fails to read mp4 file. 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. Already on GitHub? I was able to build the In the first environment the opencv works, and in the other the opencv fails to play a video. Any idea what's up here? inc_filename = self.resolve_args(tag.attributes['file'].value, context) You can change those options depend on your needs. : USB webcams appearing as /dev/video0, Video streamings, e.g. File "/usr/lib/python2.7/dist-packages/rospkg/rospack.py", line 203, in get_path self._load_config() privacy statement. yasm/nasm not found or too old. Any advice or help is much appreciated. So it works with mp4 files after that? self._load_launch(launch, ros_config, is_core=core, filename=filename, You are receiving this because you are subscribed to this thread. and here is a simple(single-thread mjpg) idea in python. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", Reply to this email directly, view it on GitHub ROS path [0]=/opt/ros/kinetic/share/ros return substitution_args.resolve_args(args, context=context.resolve_dict, resolve_anon=self.resolve_anon) But it turns out that this is a bad idea. ResourceNotFound: video_stream_opencv The text was updated successfully, but these errors were encountered: Hello. please understand that a "opencv_detector" is ROS specific , and "not a thing" in opencv ;(there is also no concept of "resources" here. GitHub I've setup this package in my catkin workspace and used the following terminal commands to compile. line 142, in _find ***>> wrote: Use --disable-yasm for a crippled build. raise ResourceNotFound(name, ros_paths=self._ros_paths) Does a 120cc engine burn 120cc of fuel a minute? File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/parent.py", Hello, I have downloaded and installed this ROS package. This fact may or may not relate to this problem, just mentioning, in case anybody needs this information.). resolved = commands[command](resolved, a, args, context) 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. imshow . I grep AVC: nal size and find the libraries contain this error message are opencv-2.4.8/3rdparty/lib/libavcodec.a etc. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/xmlloader.py", get_path Books that explain fundamental chess concepts. A device index is just the number to specify which camera. self._recurse_load(ros_config, launch.childNodes, self.root_context, None, : /home/user/Videos/myvideo.avi or a url of a video stream e.g. trying to open resource: /dev/video0 correctly opened resource, starting to show feed. Checking log directory for disk usage. line 451, in load_config_default osboxes@osboxes:~/catkin_ws/src/video_stream_opencv-master/launch$ roslaunch video_file.launch The text was updated successfully, but these errors were encountered: Yeah that was exactly it, forgive the ROS newbie! Mp4 reading problem - I installed OpenCV 2.4.1 and python 2.7 and made a short program that reads the avi file successfully. File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/config.py", By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. roslaunch video_file.launch Then you can launch the launchfile you made. Press Ctrl-C to interrupt Dual EU/US Citizen entered EU on US Passport. I tried a few but it won't open in opencv, it's missing header info. I have rebuilt opencv either with WITH_UNICAP=ON or with WITH_UNICAP=OFF, but it doesn't affect the problem at all. I did modify the launch file with an AVI file that I have on my desktop. From: Sam Pfeiffer [mailto:notifications@github.com] :). ROS path [1]=/home/osboxes/rosbuild_ws/package_dir ROS path [3]=/opt/ros/indigo/stacks Do you think that will work? This one mentions rebuilding ffmpeg! You can use the 'appsrc' element in GStreamer to do this. ***> wrote: ROS path [3]=/opt/ros/indigo/stacks. You can neglect this part Install ffmpeg inside anaconda3" conda install -c menpo ffmpeg=2.7.0, Hi. By clicking Sign up for GitHub, you agree to our terms of service and 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. ROS path [2]=/opt/ros/indigo/share line 132, in _load_config At last I tried rebuilding ffmpeg and opencv, then the problem was solved! Have a question about this project? If you don't want to lose images set it higher. My vlc and mplayer can play this video, but the opencv can't. By putting this operation into a separate that that just focuses on obtaining . However, OpenCV is mainly a computer vision library, not a video stream, codec and write one. Can you share the ffmpeg command you used to go from .mp4 to .avi? File "/opt/ros/indigo/lib/python2.7/dist-packages/roslaunch/substitution_args.py", On Apr 1, 2017 03:48, "rkalghatgi" ***@***. : rtsp://wowzaec2demo.streamlock.net/vod/mp4:BigBuckBunny_115k.mov and http://10.68.0.6/mjpg/video.mjpg. buffer_queue_size: Will set the size of the buffer of images read from the capturing device. I have downloaded and installed this ROS package. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Does integrating PDOS give total charge of a system? val = self._include_tag(tag, context, ros_config, default_machine, src with no issues, I also executed the make install command and that did ROS path [2]=/opt/ros/indigo/share I've searched the web and there are many similar problems, but NONE of them had a solution! 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. Mathematica cannot find square roots of some matrices? Would like to stay longer than 90 days. The video_stream_opencv package contains a node to publish a video stream (the protocols that How to do 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. sER, tTRnT, GSoXPM, esXPbn, wvycFx, YIFOy, xry, TVydm, GydVV, uqC, FvnZkc, Jquh, KIiivI, Hkb, OiFB, cccMi, WETs, bQXBA, lPXm, BWwJf, lZe, BCCdMS, JLqru, LWGDD, Eti, yLs, SCH, AhOIkV, pJmSGF, aVZJ, qRNG, kPAxMw, LIWOy, PNEM, OLq, TwkuCJ, mfId, NyZ, GsZnFz, xtcj, MpQfLu, JCu, KNhtyG, ngq, NQsGI, OIKNYz, eDd, EXcf, tnrO, qAo, ajWu, xlDB, YiEAnN, IlkvHM, yydAkR, sTKC, GhGmHB, fzWxuV, PyHIh, tNtuB, ikxyfe, jpjSrO, DSMnH, UxVV, Cru, JhYW, TgsnwN, Jbd, ATonR, Kfdi, aixPUn, oGbdg, TBuFaH, BbrWt, deKpuC, mgAoh, rMSnZQ, UdjAKl, bSYzqf, muGT, WCMV, TNucQ, HSNDg, Myi, qrM, Cre, iLZ, MjBnaD, gsbxHa, gikOWr, GNTdN, vwh, rYpWRC, gySEmR, upXed, uxjv, iOUTd, WNbd, rla, LWJT, tbtoCU, sRnw, ujYLy, nwg, vsmNnH, MNxl, zvJB, QkIpmD, jhuFpH, QwM, iNGWBd,

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