Ubuntu Multimedia :: Get Vgrabbj To Start Feeding Images From A Webcam To Stopmotion?
Jun 9, 2010
how to get vgrabbj to start feeding images from a webcam to stopmotion? What I get now is all green screen, both in stopmotion and vgrabbj:
"tam:~$ vgrabbj -f test.jpg -d /dev/video0 -i vga -F 1 && eog test.jpg
Unable to set palette
Unable to set palette
Unable to set palette
Reading image from /dev/video0
There was no map allocated to be freed Gives a green window. This is Logitech Quickcam 3000 RT. Is there a better suiting grabber for this camera?
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Dec 6, 2010
I have a very big image directory: One image per minute, whole a year, captured from a webcam. Now I want to make a video (15 or 24FPS) with all the webcam captures, to see how it changed during this period. I've tried automotion, but it makes a very low quality video, besides it blocks with lots of images. I've also tried dvd-slideshow, but it's not possible to make a more-than-1FPS video.
I also need to change the date in each webcam's images, because they are wrong, so it needed to overlay a little layout with the right date for each image, is that possible to manage within some application? Preferibly shell applications which supports lots of Gb of information (anyway I always could make little videos and then glue them)
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Mar 12, 2011
My contact doesn't get the request to start webcam, I was just wondering if any of you can help me resolve my issue?
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Apr 8, 2010
I'm trying to setup a webcam surveillance system. Zoneminder didn't work for me regardless of how I tried configuring it, so I gave up and have now settled on a more primitive solution. I've currently got 6 cams and looping streamer (webcam screen grabber) I can grab a picture from each camera with about a 1 second interval. The previous picture is overwritten and using javascript to reload the image continuously in a browser I get the desired "movie" effect I'm after. The problem however is that as soon as I start using streamer on more than two cameras at once I run into this little snag:
Quote:
libv4l2: error turning on stream: No space left on device
ioctl: VIDIOC_STREAMON(int=1): No space left on device
I've been searching around and it seems I need to increase my shared memory. I've done that (tried many different values and "solutions") but the problem remains the same.
My setup is as follows.
1.php (refreshes updated grab from camera 1 every second in the browser)
2.php (refreshes updated grab from camera 2 every second in the browser)
3.php (refreshes updated grab from camera 3 every second in the browser)
etc
etc.
Is it possible to use something like php exec to execute the command that starts 'streamer' that grabs the image from the specific webcam (/dev/video1 for 1.php and so forth) when 1.php is opened in the browser. Is this even possible, or am I just dreaming?
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May 12, 2011
I was just wondering if there is a way (and seeing as how this is Linux we are talking about here, there probably is...) to make a fully functional webcam-server on Ubuntu 10.04.2 save images daily, or weekly? I have a perfectly installed webcam-server running on my website that you just refresh, and it gives you a current image, but I was wanting to have a daily type of archive thing with it, just because.
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Jun 28, 2011
I am trying to make a script which will analyze jpeg images taken from a webcam. i can get a image easily enough but i can't figure out a way to get the images average brightness as a number.
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Jul 5, 2011
i have sony viao vgn-fz11 Can someone please help ,im new user to ubuntu been trying to get webcam working properly at the moment its upside down and does not work in skype at all just get black screen does this look correct? do i have the right driver?i will try and give as much information as i can.
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Aug 3, 2010
I have a problem making work a webcam. At the begining, after the instalation of 10.04 in a new laptop, the webcam did not work but with a lsusb I see that the webcam was Webcam 5986:0241 acer. I was not able to config neither use the webcam with any application. After lots of test and forums reading I could not do my webcam to work, and now when I do a lsusb my webcam does not appear.
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Aug 9, 2011
I am setting up a mythtv/xmbc box on Ubuntu 10.10 (natty does not install on my hardware). I have a Sabrent TV PCIRC tuner card, which seems to work fine with the proper card and tuner settings. My on-board sound is HDA-Intel surround sound, which I have configured as analog duplex.
Currently the sound works fine through my speakers plugged into any jack on the back of the PC (two speakers, one jack). I can watch ripped movies and listen to music. The TV tuner is pumping sound from its external jack -- if I hook it up directly to the speakers it works fine. I can feed the Tuner's sound to the line-in on my motherboard, but nothing comes out. In the sound manager, i have the input device selected and the input level shows that the sound is coming in through the connector, and I can test the speakers and they work fine, but they don't seem to be communicating that the sound coming in needs to be pumped out through the speakers.
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Aug 15, 2011
I'm trying to make a stop motion video using StopMotion but can't get the program to capture any video off of my Logitech webcam. Only a black screen appears when I click the "camera" button and alternates between a brief green screen.
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Jun 9, 2010
I couldn't get any signal from my Quickcam 3000 RT with stopmotion. Is this some sort of a driver issue? Here is "dmesg" output:Quote:
"
[ 3229.388184] uvcvideo: Found UVC 1.00 device <unnamed> (046d:09a5)
[ 3229.409586] input: UVC Camera (046d:09a5) as /devices/pci0000:00/0000:00:1d.7/usb4/4-1/4-
[code]....
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Apr 25, 2011
I am posting this just for the sake of curiosity. I am trying to feed a while loop structure with a command output, but using the bash built-in I get the error "ambiguous redirect":
Code:
while read line
do
[code]....
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Aug 17, 2010
I have developed an application in Qt.I want to print my text(for e.g "hello") using Qprinter and stop the printer.The text printer but i dont want form feeding after printing.
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Oct 10, 2010
i started messing around with conky. its really neat and i like making new configurations and what not, just for fun. the thing is, the other day i was playing around with the 'cpu' variables (cpu, cpubar, cpuguage) normally if you wanted to see the usage of say cpu0 or cpu1 you could call the variable as ${cpu cpu0} or ${cpu cpu1} respectively. well i input ${cpu5} (obviously i dont have 5 cpu's) well it still gave me output as if it was showing me the usage of that cpu. can any of you guys explain this. it also works for other parameters as well. is conky just showing me a bunch of random graphs and percentages or when i called that imaginary cpu does it default to a certain one. these are the only two answers i can come up with on my own.
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Jun 19, 2010
I am currently running OpenSuse newest version but this problem has been happening to every linux installation I have done. My Computer is a ACER ASPIRE 5515. Here are specs:
ProductAspire 5515
LanguageEnglish
ModelAspire 5515 Series
Specifications
Part Number
[code]....
Operating System Windows Vista Home Basic (Service Pack 1)(varies by model) Anyways here is what happens, and this only happens to me when i run linux. THIS NEVER HAPPENED WHILE RUNNING WINDOWS VISTA OR WINDOWS XP. First icons will disapear and text will not work, images wont be there, system dock and explorer will just not work, the start menu will have nothing in it, and when i restart it, (manual) it will boot and show me specs and say "NO OPERATING SYSTEM FOUND" and when i go into BIOS it says IDE0:_______ not the hard drive name and size like it usually does.
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Aug 30, 2010
If I have an interactive program, e.g top, which, after launch, can be fed with key strokes and changes its behavior, for example, after launching top and then pressing "1", you can see the CPU utilization per core. I was wondering if there is a programmatical way to do so, so I don't have to press "1" every time. I would think it is an easy task, but so far my attempts have failed.
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Nov 17, 2010
I have a script which checks on my jobs that run on some cluster.The script, "script.sh", takes as an input the job-id for the job to be checked. Sometimes I have 100s of jobs and I want to check them all (for successful completion.) I could put these job-ids into a text file, "job-id.txt", each id in its own line.For each job-id, the script would ask me few questions (with a yes or no answers) to see if I want to do some other checks for each job-id.I want to know how may I direct my job-ids from this text file into the script one job-id at a time.
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Feb 26, 2010
I am configuring an ubuntu system for a friend of mine, he is Arab and he used to watch (with windows) the films on this site: [url]
I tried to open the site with firefox but I cannot see the image on that page, I see the cursor changing shape and clicking with right button in the properties I see they are gif images, furthermore clicking on the (not displayed) images should open a link to the film but instead a blank page opens with error.
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Jan 20, 2011
I'm running Ubuntu 10.10 with an NVIDIA GeForce 6100 video adapter and my monitor seems to flicker whenever the the computer is processing. My system is up to date and I did install the recommended NVIDIA driver. The monitor isn't going blank or anything like that, it just seems like every once in a while different images will pop up for less than a second. Any ideas as to what the problem might be? I've attached a copy of the xorg.conf file as well:
Section "Screen"
Identifier "Default Screen"
DefaultDepth 24
EndSection
Section "Module"
Load "glx"
EndSection
[Code]...
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Jan 6, 2010
using the update maneger to update on ubuntu new linux images available 2.6.31-17 generic and after the download is complete both images exist in the grub menu should i remove them ? or just remove them from the boot menu ? and if so how could i do each.
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Jul 26, 2010
I am running Linux from a DVD, not installed. I am not good with installing software, but since the DVD cannot be corrupted, I am content to operate this way. Lately, I have been having problems that previously did not occur. When I try to click on the checkbox to get rid of emails, it doesn't register in most cases, or when it does, I am clicking multiple times so it registers twice, meaning it is unchecked again. Even more frustrating is some issues that are affecting my ability to update my business. I am trying to modify spreadsheets (text not calculations).
Whenever I try to click & drag to select something to change, it keeps jumping around to select only some of what I want, something else or some combination of the 2. When I try to copy and paste several fields from 1 column to another, everything from the several fields in the source column ends up together in the last field in the target column. I am also trying to download some images from a website. There is a single column of links to the images. I have to click on the link to get to the image in order to copy it, then back out to continue looking for more links to do the same.
My computer keeps jumping back 2 steps, then forward 2 steps, and sometimes I lose my place in that list. I could deal with it if it were a small number of links, but this is a list of probably close to 20,000 links. Again, i am operating off of a live DVD so this should not be corruptible, but this has just started happening, and has been an issue the last several sessions.
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Feb 15, 2010
Is there a Linux app for mounting and playing audio CDs from image files? I have saved disc images of nearly all of my CD collection, but I have yet to find any convenient way to play them.
Because of the nature of CD audio, every CD image has an accompanying .cue file, so there are actually 2 files (*.iso or *.bin and *.cue) from each disc. VLC Media Player will play DVD .iso images directly, but doesn't know what to do with audio CD images (or the .cue files).
Mounting and unmounting the images at the command line is tedious, given the very long file paths. I'd rather have a GUI-based app. Does any such thing exist for Linux?
FWIW, Acetone ISO doesn't work. It doesn't want to mount my *.iso format CD images. Probably some funkiness of the CD audio format. I think it is what the Acetone devs call a "multi-sector image." Likewise for the *.bin images of CDs.
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Jun 28, 2010
Images on screen looks weird, and i dont know why is that(see attachment to see details) i readjusted vga cable with no luck (besides in windows it doesnt do it)
lspci:
Code:
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Oct 8, 2010
I need to convert an mpeg into a series of still images but I cant find any software on linux to do this unless you know of any software that can convert video into vector style graphics
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May 2, 2011
I have around 150 images and each one of them has the size of 3.3 MB.I need to shrank them to small size. What I need is, is there any way to minimize them in few minutes ?
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Apr 4, 2010
I just burned a copy of a DVD.
Great. Now, will I be filling up my hard drive every time I do this? Where does Brasero keep the images that it makes of DVD's and CD's when it copies?
I would like to delete them, after I copy an image...
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Jul 1, 2010
I'm trying to setup MythTV, but whenever I do so, I get no text on the X window setup screen. The language selection takes a very long time (input is super delayed) and I don't see anything on the screen. This last time I ran it it went the farthest it has gone before, but it always hangs at the theme file selection, as shown by this Terminal output.
Code:
Loading window theme from /usr/local/share/mythtv/themes/Terra/menu-ui.xml
Loading menu theme from /usr/local/share/mythtv/themes/defaultmenu//mainmenu.xml
[code]....
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Jul 14, 2010
Is there any method to use GIMP in batch mode, to run from the terminal, and scale all the .JPG files down by 25%
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Aug 21, 2010
I have a bunch of images I took of the same thing, but I was holding the camera, so each one moves a little bit. Is there some way to crop the images so that the focal point doesn't move between pictures?I've done some searching but I haven't had much luck finding anything.
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Oct 27, 2010
I've been using GIMP's 'save for the web' tool to reduce the file sizes of images.
I now have a directory with about 50 images. I'd like to avoid processing them all by hand.
I have a (very) basic knowledge of programming, and I'm comfortable with the commandline. I don't mind doing some homework on how to use new tools.
All I'm really concerned with here is reducing the file sizes of the images I have.
What possible pathways are there for me to prepare large amounts of images for the web?
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