Hi, Adam, I don't like to admit that I feel pretty lost. I attach the output of v4l-info and the one of gst-inspect. Also, I can launch the cam with this command gst-launch v4l2src device=/dev/video0 ! xvimagesink.
Thanks a lot. Luis Galeana. 2012/8/2 McKenzie, Adam <[email protected]> > Hi Luis, > > There are a couple of things you can do to try to get more information > about your device. > > Could you run > "v4l-info /dev/video0" > > This will spit out a lot of information but the key part is the video > capture part. For example I have a camera that outputs motion jpeg and the > output of the video capture looks like this: > > video capture > VIDIOC_ENUM_FMT(0,VIDEO_CAPTURE) > index : 0 > type : VIDEO_CAPTURE > flags : 0 > description : "YUV 4:2:2 (YUYV)" > pixelformat : 0x56595559 [YUYV] > VIDIOC_ENUM_FMT(1,VIDEO_CAPTURE) > index : 1 > type : VIDEO_CAPTURE > flags : 1 > * description : "MJPEG"* > pixelformat : 0x47504a4d [MJPG] > > Could you attach the whole output to your reply so that I can perhaps > change the custom pipeline for your particular device. > > If it does say that it uses h264 could you run > "gst-inspect ffdec_h264" > > If it complains that the gstreamer-tools are not installed could you > install them with > "sudo apt-get install gstreamer-tools" > > You need this element to actually decode 264 streams in case your webcam > actually outputs x264. If it isn't installed and complains it is missing > you might need to run: > "sudo apt-get install gstreamer0.10-ffmpeg" > > To enable it and try the custom pipeline again. > > Thanks, > Adam > > Adam McKenzie** > * Programmer Analyst, Education Applications > * > Client Services, Information and Communications Technology > Ph: (306) 966-8241 > > [image: Description: Description: Description: Description: > cid:[email protected]] <http://www.usask.ca/> > ------------------------------ > *From:* [email protected] [ > [email protected]] on behalf of Luis Galeana [ > [email protected]] > > *Sent:* Wednesday, August 01, 2012 6:29 PM > *To:* Matterhorn Users > *Subject:* Re: [Matterhorn-users] Capture Agent pipeline > > Hi, Adam, > > I changed my configuration to what you said, but I still get the internal > error message. The log is below. Is there any information that could help > determine the cause of the failure? > > Log: > ---------------------------- > ... > 20:19:47 INFO (GStreamerPipeline:430) - Successfully initialised 2 > devices. > 20:19:47 INFO (CustomVideoProducer:73) - Custom Video Producer is using > Pipeline: "v4l2src device=/dev/video0 ! queue ! decodebin ! queue" > 20:19:48 INFO (GStreamerPipeline:96) - Initializing devices for capture. > 20:19:51 INFO (ProducerBin:121) - Sending EOS to stop v4l2src0 > 20:19:51 WARN (GStreamerPipeline$2:144) - v4l2src0: Internal data flow > error. > 20:19:51 INFO (ProducerBin:121) - Sending EOS to stop alsasrc0 > 20:19:54 INFO (AgentStateJob:190) - #7 - State push to > org.opencastproject.capture.impl.jobs.AgentStateJob@5d59d625 to > http://localhost:8080/capture-admin/agents/Galeana failed with code 405. > 20:19:54 INFO (AgentConfigurationJob:121) - #7 - Capabilities push to > http://localhost:8080/capture-admin/agents/Galeana/configuration failed > with code 405. > 20:19:54 INFO (AgentStateJob:190) - #7 - State push to > org.opencastproject.capture.impl.jobs.AgentStateJob@5d59d625 to > http://localhost:8080/capture-admin/recordings/Unscheduled-Galeana-1343866787387failed > with code 405. > ... > 20:20:51 ERROR (CaptureAgentImpl:339) - Unable to start pipeline after 5 > seconds. Aborting! > --------------------------------------- > > Thanks! > > Luis Galeana. > > > 2012/8/1 McKenzie, Adam <[email protected]> > >> Hi Luis,**** >> >> ** ** >> >> I noticed in your log that it stated the problem is “Internal data flow >> error” which combined with your comment earlier that your webcam captures >> in h264 might be the culprit. Could you try changing your webcam capture >> device settings to:**** >> >> ** ** >> >> capture.device.Webcam.type=CUSTOM_VIDEO_SRC**** >> >> capture.device.Webcam.flavor=presenter/source**** >> >> capture.device.Webcam.outputfile=Webcam.mpg**** >> >> capture.device.Webcam.src=/dev/video0**** >> >> capture.device.Webcam.customProducer=v4l2src device=/dev/video0 ! queue ! >> decodebin ! queue**** >> >> ** ** >> >> The type CUSTOM_VIDEO_SRC specifies that you want to write your own >> gstreamer magic. The customProducer property is the actual gstreamer line >> that it will run when it tries to capture from your webcam. Each of the >> elements in the pipeline are separated with exclamation points “!”. The >> “v4l2src device=/dev/video0” part just tells it to capture from the video 4 >> linux 2 device located at /dev/video0. The queues are just in case your >> system needs a bit of a buffer to process and decode the video. Finally the >> “decodebin” part is a gstreamer element that will try to determine what is >> coming in, attach the correct decoder and pass on raw frames for the rest >> of the pipeline. Please let me know if anything else is unclear. **** >> >> ** ** >> >> Cheers,**** >> >> Adam**** >> >> ** ** >> >> Adam McKenzie >> ITS, University of Saskatchewan >> Rm 61 Physics, 116 Science Place >> Saskatoon SK S7N 5E2 Canada >> (306) 966-8241**** >> >> ** ** >> >> *From:* [email protected] [mailto: >> [email protected]] *On Behalf Of *Luis Galeana >> *Sent:* Wednesday, August 01, 2012 9:29 AM >> *To:* Matterhorn Users >> *Subject:* Re: [Matterhorn-users] Capture Agent pipeline**** >> >> ** ** >> >> Hi again, >> >> Below is my device configuration and I'm getting some internal error... >> The log is at the end. What do you think that could be the problem? >> >> #Create the presenter capture >> capture.device.Webcam.type=V4L2SRC >> capture.device.Webcam.flavor=presenter/source >> capture.device.Webcam.outputfile=Webcam.mpg >> capture.device.Webcam.src=/dev/video0 >> >> #Create the audio capture >> capture.device.test.src=hw:0 >> capture.device.test.outputfile=test.mp2 >> capture.device.test.flavor=presenter/source >> capture.device.test.buffer.bytes=536870912 >> capture.device.names=Webcam, test >> >> Log: >> ------------------ >> 21:55:41 INFO (AgentStateJob:190) - #4 - State push to >> org.opencastproject.capture.impl.jobs.AgentStateJob@2e647edd to >> http://localhost:8080/capture-admin/agents/Galeana failed with code 405. >> 21:55:41 INFO (AgentConfigurationJob:121) - #4 - Capabilities push to >> http://localhost:8080/capture-admin/agents/Galeana/configuration failed >> with code 405. >> 21:55:44 INFO (GStreamerPipeline:430) - Successfully initialised 2 >> devices. >> 21:55:45 INFO (GStreamerPipeline:96) - Initializing devices for capture. >> 21:55:48 INFO (ProducerBin:121) - Sending EOS to stop v4l2src0 >> 21:55:48 INFO (ProducerBin:121) - Sending EOS to stop alsasrc0 >> 21:55:48 WARN (GStreamerPipeline$2:144) - v4l2src0: Internal data flow >> error. >> 21:55:51 INFO (AgentStateJob:190) - #5 - State push to >> org.opencastproject.capture.impl.jobs.AgentStateJob@7a7683b1 to >> http://localhost:8080/capture-admin/agents/Galeana failed with code 405. >> 21:55:51 INFO (AgentConfigurationJob:121) - #5 - Capabilities push to >> http://localhost:8080/capture-admin/agents/Galeana/configuration failed >> with code 405. >> 21:55:51 INFO (AgentStateJob:190) - #5 - State push to >> org.opencastproject.capture.impl.jobs.AgentStateJob@7a7683b1 to >> http://localhost:8080/capture-admin/recordings/Unscheduled-Galeana-1343699744653failed >> with code 405. >> ... >> 21:56:48 ERROR (CaptureAgentImpl:339) - Unable to start pipeline after 5 >> seconds. Aborting! >> ------------------- >> >> P.S. I couldn't fix the push and capabilities errors. Could you >> elaborate a little bit on what I should do? I see that both >> config.properties files - the core and the capture agent - have the same >> url, as well as the org.opencastproject.capture.core.url. >> >> Thanks a lot!! >> >> Luis Galeana.**** >> >> ** ** >> >> _______________________________________________ >> Matterhorn-users mailing list >> [email protected] >> http://lists.opencastproject.org/mailman/listinfo/matterhorn-users >> >> > > _______________________________________________ > Matterhorn-users mailing list > [email protected] > http://lists.opencastproject.org/mailman/listinfo/matterhorn-users > >
v4l-info
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gst-inspect
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