Ubuntu Multimedia :: Blank White Box Where Webcam Video Should Be
May 6, 2010
I have a Sager NP5797 running Lucid (32-bit) with a BisonCam NB Pro (V4L2) webcam on /dev/video0 In Flash (like [URL]), everything works great. My video appears to both myself and others, and I see incoming video. (I am using the 10.1 RC libflashplugin.so, downloaded from Adobe's site) But in applications like Cheese, Skype, etc., I get a big blank white box where video should be: Cheese (as well as every other app I try) sees the camera on /dev/video0:
In Skype, the person I am calling sees my video perfectly fine. So my camera is "working" and sending video. But I cannot see my video, nor can I see their incoming video. It's all a big white box just like the one in Cheese in the shot above. Taking the other person out of the equation, when I go to use the "test" in Skype, it's just a blank white box too. The video will not draw for me.
Again, I do see video in Flash-based web apps that use the webcam. And other people are seeing my video. But webcam video (both mine and the incoming stream) won't "draw" for me. What makes V4L video not draw? I am using the binary NVIDIA driver for the GTX 280M chip in the laptop, and I am using Compiz. Though I tried turning Compiz off and Cheese still just showed the white box.
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Dec 7, 2010
I have installed "plug and play" webcam logitech c270. Audio works fine. I can see and hear when people call me. People can hear me, but not see me. On the Skype/Options/Video the "test" button for video results in blank white screen.
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Feb 26, 2010
video playback is like I have applied a blueish sepia filter over it. And this is just the playback from totem player or mplayer, and not the playback from ..... (and generally online streaming) - this works just fine. this messy video playback also appears when I use cheese to capture video with my webcam. Note that the preview picture of the video file on nautilus has the natural colours it should have.
at first when I installed the os this particular problem didn't exist, but it came up the time I decided to follow the "comprehensive multimedia guide". So now I have all the pros of following the guide, but this is a major con...
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Apr 20, 2010
Is it possible to make video output (to monitor) black and white? Without changing the monitor settings, of course.
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Jan 16, 2010
I am trying to watch a movie on tv through an s-video cable, but it's black and white, or with very fade colours. I understood that I have to change output to pal. I also understood that I can do it in the xorg.conf file, but I don't have anything like that.
video card: intel x3100
system: ubuntu karmic 9.10
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Feb 20, 2010
I was wondering if you could help me out with this Flash problem: sometimes, Flash elements don't play in my browser window - there's just a big white area where my Flash should be. I have to close and re-open Firefox. This especially happens when I activate the "Flashblock" plugin, a very useful tool that blocks all Flash unless you click on it and choose to play it. Whenever I have that enabled, most of the time, clicking on the "play" button produces the white area where the Flash object should be. It's Karmic 64 and Firefox 3.5, Shockwave Flash 10.0.
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Aug 31, 2010
As the title implies I can't use the fullscreen feature in a flash video because all the screen turns white &, wherever the pointer was, get noticed as a faint shadow. I can increase the screen only if using the keyboard shortcut <Ctl++> keys combination.Have Shockwave Flash 10.1.r82 add-on. Firefox version is 3.6.8. Ubuntu = 10.0.4 LTS.
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Feb 14, 2010
I was just wondering, is there any way to play a video/animation as a WebCam? I'd like to use that with Skype or Chatroulette.com etc
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Feb 20, 2010
I'm having a problem using cheese to record video from my webcam. The image is extremely slow to update. Especially when there is lots of movement it sometimes freezes for about a second.
When I use the webcam in Skype it works fine. Does anybody have a clue what might cause this and better yet, how to fix it.
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Jul 3, 2010
I have a Sapphire PC USB webcam. It has a driver cd for Windows and it works fine there. But in Ubuntu 10.04 I get pink, hazy video when I use Cheese.I tried Camorama but in that software I get 'No Video' error.What should I do?
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Aug 30, 2010
Anybody had any success in getting ffmpeg to work as advertised with video capture from a webcam? I really want to convert the webcam output to VP8 or H264, but apparently ffmpeg can't even capture the webcam with a video4linux device.
Code:
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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 7, 2010
I wonder if anyone here has succeeded in streaming the video of a local webcam to the internet? Some research has turned up webcam_server Project Home Page but unfortunately it only supports v4l, not v4l2 and is no longer maintained. It seems to be possible with VLC server, but I'm a bit reluctant, because their repo is said to break other things. I still have 11.1 here.
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Jan 10, 2010
So my Microsoft Lifecam NX-3000 used to work with 9.04, but I can't seem to get anything from it now (Xubuntu 9.10). It still shows up fine when i enter lsusb, but it won't show up as a video device anywhere else. I have faith that this bug is a simple fix for someone who knows what they're doing, but unfortunately I don't. If it's relevant this is on my aging Toshiba Satellite.
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Mar 18, 2011
Any software for Ubuntu that will record video using the built in laptop webcam or a usb webcam. I am looking for something that works by motion detection so it isn't constantly recording. I installed Zoneminder since it was the only thing I could find, but I couldn't get it to work.
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Mar 21, 2011
Video was already choppy since upgrade to 10.10, updated my xorg and now webcam is not working and I hear a ringing sound... its a lenovo webcam
system specs:
AMD Athlon II Dual Core M320
Gnome 2.32.0 / Ubuntu 10.10 Maverick
Linux 2.6.35-28 Kernel
ATI Fire GL Driver
Code:
fglrxinfo:
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Mar 27, 2011
I get the following information : "Your video driver doesn't support the requested video format" while trying to use video in Ekiga, using 10.04
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Aug 20, 2011
I have a Dell 1300 running Kubuntu 11 and attached is a Logitech Pro 9000 webcam. It works OK - in the sense that Cheese, VLC etc display correctly. I'm trying to set up video streaming for security monitoring - and because the Dell is pretty slow, I need to stream at a low rate of frames/sec to keep a reasonably low cpu utilisation. I've tried various things, but the most successful is the motion package, which I can set up with a new frame each second, which is fine. However, the motion server stops after a seemingly random period with the message ...
[0] Thread 1 - Watchdog timeout, trying to do a graceful restart
[0] httpd - Finishing
[0] httpd Closing
[0] httpd thread exit
[0] Thread 1 - Watchdog timeout, did NOT restart graceful,killing it!
[0] Calling vid_close() from motion_cleanup
[0] Closing video device /dev/video0
Motion hasn't crashed, it's still running. I also get a message in syslog ... uvcvideo: Failed to resubmit video URB (-27)
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Feb 15, 2010
I use skype and other video chat rooms like tinychat and have alway notice windows user doing cool webcam effects. I want to know if there was a program in ubuntu that would allow this.
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Jan 7, 2011
I have a vx-6000 and the video and pictures actually works good but there is no sound can you get sound to work and how?
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May 26, 2011
i had an nvidia geforce 6800 card in my pc and that just all of a sudden stopped working (the screen went blank) so i went to my onboard video and it works but no matter what video card i install, it doesn't work (still a black screen) and i know the cards work on other pc's but just not this one. i've tried different ati cards and nvidia cards with no luck. i've also wanted to disable my onboard card all together but my bios doesn't have that option for some reason. i also thought that it might be the slot but when i install the video card in the pc, the fan works so it's not that.
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Jul 24, 2011
I am having problems with ffmpeg. My goal is to capture a video stream from my webcam and feed that into a webcam-capturing program. But to get that to work, I will need ffmpeg to work. I need the following command to work, but I get an error:
Code:
$ ffmpeg -b 100K -an -f video4linux2 -s 320x240 -r 10 -i $device -b 100K -f image2pipe -vcodec mjpeg - | perl -pi -e 's/\xFF\xD8/KIRSLESEP\xFF\xD8/ig'
ffmpeg: relocation error: /usr/lib/libavfilter.so.2: symbol avformat_find_stream_info, version LIBAVFORMAT_53 not defined in file libavformat.so.53 with link time reference
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Apr 5, 2011
I installed compiz on squeeze. I followed the steps on [url] , everything seems fine except my gnome-terminal shows me a white-in-white screen, seems like both the background and foreground are white, I tried to change the gnome-terminal profile, it doesn't work, after I disable compiz, gnome-terminal back to normal. I tried to install xterm, it can work, but it not easy to use for me, I still want to use gnome-terminal,
My laptop is lenovo Thinkpad T400. 01:00.0 VGA compatible controller: ATI Technologies Inc Mobility Radeon HD 3400 Series
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Jul 27, 2011
In [URL] I can right-click on a flash video and have the option to access "local settings" under "Settings" to specify configuration for webcam, mic, etc. But in Facebook I need to adjust a setting and the "Setting" option for local config is gray-ed out, I can't access it.
I'm running OpenSUSE 11.4, and I've seen this in GNOME and KDE within Firefox.
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May 8, 2010
Everytime I boot into eeebuntu on my 900hd the panel on the top is completely blank (along with the main menu and everything on it), and only will revert back to normal when I change something in the properties (e.g. the background). Does anyone know what could be causing this problem or how I could go about fixing it?
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May 3, 2010
Everytime I boot into eeebuntu on my 900hd the panel on the top is completely blank (along with the main menu and everything on it), and only will revert back to normal when I change something in the properties (e.g. the background).
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Feb 27, 2011
Just installed Ubuntu 10.10 Netbook on my Dell Vostro 1000. Install seemed to go through ok, although I am not connected to the internet. When the install completes, I have the default background image and er... that's it. Around the edge where the menu should be, the background image is slightly darker. If I move the mouse to where the menu items should be, rather than what I assume would be a text label/description of that menu item, I get a blank white box instead. If I click, some of the applications do indeed open, albeit without titlebars.
I am new to Linux, I decided that it should be about right for me to make the switch, but encountering such an issue so early on isn't inspiring me with much confidence. I have access to this Windows machine for downloading and burning CD/DVDs. I also have a WD Passport drive (150Gb) and a USB stick (1Gb).
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Jun 11, 2010
So everything went fine in my installation of ubuntu 10.04 but when the pc was reset after installation, it goes to the black screen with the white writing and then does nothing. To check if there was a problem with the disk I had burnt, I installed an an older version of ubuntu (8.something) which had previously worked and the same thing happened: installation goes fine but then when I reset it goes to the black screen with white writing and does nothing. I then tried to install 10.04 again through usb with the same results. Do I need to change a BIOS setting?
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Aug 16, 2010
I just upgraded to Ubuntu 10.04 LTS from 9.10. After the upgrade process, I restarted and chose "Ubuntu, with [the current kernel]" and now I am greeted with a white screen with no login or boot splash. My processor is pegged according to the processor case light. My computer's specs are as follows: AMD Athlon X2 5200+, ATI Radeon X1300 Pro, 2GB DDR2 ram, Dell Socket AM2 Motherboard, and 250 GB 7200 RPM hard drive. I really need to get this computer to work.
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Aug 16, 2009
I install the fc11 from Fedora-11-i386-DVD.iso. The software update has just updated my fc11 kernel from 2.6.29.6-217.2.3.fc11.i686.PAE to 2.6.29.6-217.2.7.fc11.i686.PAE. If I boot using the new kernel, The screen resolution is not correct (everything gets bigger) and the screen goes into blank white screen suddenly after log in.
I have a geforce 8600gt card and installed its driver (for pae kernel) as suggested on this link: [URL]Everything goes well untill I update the kernel.
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