Ubuntu Multimedia :: /dev/video0 Not Accessible From Firefox/flash Except By Root
Dec 31, 2010
Running Lucid - was an LTS upgrade from 8.04.
I have a usb webcam (off brand). When installed, /dev/video0 is properly created and I can access the webcam through cheese as a regular user.
Code:
crw-rw----+ 1 root video 81, 0 2010-12-31 16:00 /dev/video0
The regular user is already a member of the video group, and I have checked all permissions under System->Admin->User/Groups->Advanced.
However, when as this regular user, I go to a website that tries to access my webcam via flash (ie, chatroulette or omegle), it does not detect the cam. (Firefox 3.6.13 with Flash 10)
I've already set the LD_PRELOAD as suggested elsewhere.
HOWEVER, if I LD_PRELOAD and run Firefox as root, all works fine and the flash plugin sees the webcam.
[Code]....
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Nov 13, 2010
I've a flash drive that it's partitions formatted as fat32, ex4 and encrypted ext4. It works fine on the system that I've formatted it on, but when I try to use it on my other Linux distributions I get these problems:
* ext4 partition accessible by root only.
* after entering my pass-phrase I get
Code: /dev/mapper/udisks-luks-uuid-***** uid1000 is mounted What I'm asking for is a way to create the ext4 file system without being attached to some UID and to be accessible by any user.
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Oct 23, 2010
i'm in 64 bit kubuntu, with the the nswrapper in 10.10http://www.metacafe.comin firefox i get the sound but not the video in metacafe, when the video is unblocked by flash block. Others have the same problem?
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Oct 14, 2010
My webcam is detected under lsusb, but no /dev/video0 shows up. How do I get one?
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Jul 23, 2010
I downloaded camE and camorama in hope of controling my webcam's framerate for skype because right now it's 24-30 which gives me dark video. But if I lower the frame rate to something like 10, the video magically brightens. camE doesn't do anything..like it turns on my webcam and does some ftp..fails..turns of my webcam ..back to normal. Camorama can't connect to my webcame. Cheese, guvideo are successfully able to conect to my webcam and play around with it.What I want to do is edit my /dev/video0 or some file from where I can fix the framerate for skype.
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Jul 7, 2011
I have a 'Gadget Geek VHS to DVD maker' USB device that takes analogue video in (composite) and plugs into the computer via USB.
Here is the output of lsuss (it's the eMPIA one):
Code:
Now this is essentially as far as I get, DBUS just says the following when I plug it in:
Code:
What I want to be able to do is open the (theoretical) output stream it produces in vlc and record it from there. Then I run into my next issue. There is no video* folder or link or file in my /dev directory and I can't stream video directly from the appropriate 'special file' inside /dev/bus/usb/00*/00*
My machine is ubuntu 10.4 64-bit
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Jun 1, 2010
Although my webcam is identified. I cant get my webcam to work. gstreamer-properties complains - Video for Linux 2 (v4l2): Cannot identify device '/dev/video0' when testing. I have installed packages suggested by sticky.
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Jan 25, 2010
I have a TV Card and a webcam connected to my computer. I've noticed that after a restart the TV Card capture device is /dev/video1 (while other times it's /dev/video0). When the device changes I have to update my tvtime.xml, which is a hassle.How can I force the capture device to be /dev/video0 and the webcam to /dev/video1?
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Feb 3, 2010
Seemingly at random when I reboot my PC which I do every now and then, when I get it back up and running it will sometimes have switched my video card from using /dev/video1 to /dev/video0 or vice versa. It's not a huge deal but it is slightly annoying and I would like to understand why it does it and how I can stop it from flip flopping.
Not sure what you need to know in order to answer but I use 9.10, gnome 2.28.1, the video card is a Hauppauge 150 PVR something.
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May 19, 2009
I just installed firefox and flash-plugin.The version of firefox is 3.0.10, package is firefox-3.0.10-1.el5.centos.The version of flash-plugin is 10.0.22.87, package is flash-plugin-10.0.22.87-1.el5.rf.But firefox crashes when there is flash in web page, unless disable flash plugin in firefox.
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Oct 3, 2010
I have 3 old video capture cards which I would like to use for CCTV. Each card supports 1 camera. So I would like to have 3 cameras setup in the end and monitor them with zoneminder. When each card is plugged in on it's own, it works fine. Video comes through clearly with xawtv and zoneminder. However as soon as I plug in a 2nd card (with or without a camera connected) the output in xawtv and zoneminder goes haywire. It looks like the 2nd card takes over the first card, resulting in majority of the picture coming from the 2nd card, and some (if any) from the 1st card. When viewing either of the two cards /dev/video0 or /dev/video1 in xawtv the output is identical. I've tried this on a fresh 10.04 Ubuntu install, and on an older MythTV debian computer, the same results. Here are lspci -vv outputs with 2 combinations of cards (same fuzzy output):
[URL]
My thoughts are because the capture cards are cheap (similar to winmodems), the problem may be in the software kernel modules not allowing room for other similar capture cards to run at the same time. Can anyone suggest me in the right direction? Do I need to setup some sort of memory allocation for each card manually? Something in the BIOS? An extra option when the card modules are loaded?
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Jun 17, 2010
Another post regarding the Firefox/Flash issue on Ubuntu 10.04 ... My main question is that I don't understand why Flash in Firefox (Huffington Post videos of The Daily Show) works differently on two computers that are identically configured (but cf. below):
- both have Firefox 3.6.3;
- within Firefox aboutlugins, all plugins with "flash" are the same;
- within Synaptic, all things that have "mozilla", "flash", "adobe" are identically installed on both (that includes Adobe Flash plugin Version 10.1.53.64ubuntu0.10.04.1)
The only difference is that the computer where it works is a 64bit system, the one where it doesn't work is a 32bit system. Can this be true, that this is the thing that makes this huge difference? Any fixes around for that (other than FlashAID)?
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Feb 10, 2011
Its been more than 6 months that I have used this current installation of Ubuntu 10.04.2 LTS, and Adobe Flash still does not work out of the box. Its worked on the 32bit installation, yet never worked for the x86_64 install.
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Feb 17, 2010
firefox almost always crashes when a flash video plays except when firefox is
started in terminal, in this case flash becomes slow and the following message appears in terminal:
(firefox:1692): Gdk-WARNING **: XID collision, trouble ahead
i' ve tried some solutions like reinstalling firefox full package and flash player but the problem persists.
system
proccessor: AMD Duron 700 Mhz on QDI Kinetiz 7T (kind of old and slow!!!)
memory: 768 MB
graphics: Ati radeon X1600 (64 MB RAM i think)
sound: Creative SB Live! EMU10K1
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Apr 22, 2010
I just upgraded to 10.04 RC 64bit and cannot start firefox anymore but get the following message back
Quote:
LoadPlugin: failed to initialize shared library /home/abc/.mozilla/plugins/nppdf.so [/home/abc/.mozilla/plugins/nppdf.so: wrong ELF class: ELFCLASS32]
LoadPlugin: failed to initialize shared library /usr/lib/mozilla/plugins/nphelix.so [/usr/lib/mozilla/plugins/nphelix.so: wrong ELF class: ELFCLASS32]
Attempting to load the system libmoon
Segmentation fault
if i rename my .mozilla folder and start a new profil, firefox will start but crash if you click on a flash video or whatever. moreover I relly need my profile, stored passwords, bookmarks. this is probably a crazy flash problem again but please do not redirect me to [URL]... this is a bug in 10.04 as it worked in 9.10 before and I would feel very uncomfortable to install some unmaintained random files the very first day I use a LTS version .
any ideas how to get firefox working (even without flash as flash works in opera without problems).(and no, I will not create a bugreport in the launchpad; there are already sooo many about flash and flash64 adding just a new one will not help anybody and i am just trying to get firefox started)
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May 15, 2010
i'm running on 64-bit 10.04, and i can't seem to get flash working; well, i can see videos on newgrounds, but not on videos. it keeps telling me to install the latest flash player, and even when i install it through synapticit never shows up in firefox's list of installed plugins. then when i try to install it through adobe's site using the apt url, it says that the package it's trying to install is virtual, and the installation fails. i've also tried gnash, but that doesn't play videos videos, and i tried to install swfdec, but that didn't show up in firefox's plugins either
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Jan 26, 2010
I don't know what happened, but this happened in openSuSE 11.2 as well. Now when I try to view any media that involves the flash plugin, FireFox crashes. I've reinstalled the flash-plugin multiple times. I've tried downgrading to FireFox 3, but 3.5 always remains. I installed some software last night, but it didn't conflict with anything on my system. Is there some form of bug with the new flash? Is there a functionality time-bomb, that kills itself after a while?
I saw that someone else was having issues with flash freezing FireFox.
Here is some system info:
CPU - AMD Athlon 64 3200+ 2GHz
Video - ATi 2400HD chipset (MSI RX2400Pro)
Audio - Ensoniq PCI card
RAM - 2GB DDR1
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Feb 2, 2010
Firefox can't detect any keypresses from the programs I make. I use Macromedia Flash 8. Make a text box and give it the instance name"txt_test" add this actionscript code.
Code:
stop();
KeyListener = new Object();
KeyListener.onKeyDown = function() {
_root.txt_test.text = "OOOOO";
}
[Code]....
I want to either fix my firefox or make my program so that it can take input. Is it because I need to build my program with flash CS3 or 4?
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Feb 15, 2010
i've noticed a problem this morning when watching bbc flash videos on firefox (3.6). whilst the video is playing, firefox is fine and new tabs can be opened. but once you close the tab or window where the video was, firefox freezes and has to force quit. other flash video sites like videos, cnn, sky news, guardian and flash games seem okay and firefox doesn't freeze. bbc videos seem okay on firefox on winxp too. the bbc problem occurs on news video and on iplayer vids.
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Feb 17, 2010
Using Ubuntu 9.04, Firefox 3.5, Flashplugin 10.0.45. Flash videos have no sound in Firefox. In Seamonkey they work nice. Tried unsuccessfully many solutions found here and other websites.
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Feb 25, 2010
I am using kubuntu 9.10 64-bit on AMD M500 machine I had installed the 64-bit special package for flash But after i updated firefox it cannot detect the flash while opera still does Would i have to reinstall (i would already have if it were straightforward)
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Mar 14, 2010
i use ubuntu 9.10 64 bit, completely updated. my browser is firefox 3.5.8
mozilla/5.0 (x11; u; linux x86_64; en-us; rv:1.9.1. gecko/20100214 ubuntu/9.10 (karmic) firefox/3.5.8 gtb7.0
i am unable to open pop-up windows linked with java. also the flv videos on videos are often un-responsive or requires several clicks to play.
i have a suspicion this is related to google toolbar or maybe chrome extreme firefox skin?
note: i have reinstalled ubuntu several times and tried both 32-bit and 64-bit, as well as the new 10.04, beta2.
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Jul 18, 2010
I've spent the better part of a day off working on this. I can't pinpoint the problem, either.I've removed *every* flash package in synaptic and installed:
File: /usr/lib/adobe-flashplugin/libflashplayer.so
Version:
Shockwave Flash 10.1 r53
I've rebooted,removed, purged, installed, reinstalled. rebooted. rebooted.I've tried flash-aid.If I remove ALL flash,..... correctly says the plugin isn't installed.If I install adobe-flahplugin, I get a black box where the video should be.The only thing that worked is installing Google Chrome...where flash worked on the first freaking run. But I'm really partial to firefox and this is kind of really POing me.What I would like to know is if Firefox 3.6.6 and Flash 10.1 r53 WORK FOR ANYONE or if I'm just wasting my time???
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Jan 1, 2011
I posted a few weeks ago about Flash performance in Firefox vs. Google Chrome. Thanks to all those who responded. I finally figured out the problem in Firefox, it was Compiz desktop effects. With effects off, flash in Firefox is just as fast as Google Chrome. I am not sure why Compiz only affects Firefox Flash, but apparently Chrome is not affected. I know there are a lot of posts about this topic, so before driving yourself nuts installing FlashAid, and running terminal commands, try disabling desktop effects first.
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Jan 2, 2011
When I play a flash vid (ex. from .....) I have sound but the entire screen is simply white. When I put my mouse where where the "play/pause" button should be I can click there and they work, but its all white. Flash in chrome works just fine, I use regular ubuntu repos. (ubuntu 10.04 32 bit)
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Mar 3, 2011
After firefox update to version 3.6.14 videos on ..... are in red color and firefox crashing. i get this error on crash [URL] I have xubuntu 10.10...
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Jul 16, 2011
I am using Firefox 5.0 with Ubuntu Lucid x64 and I have no audio with Flash video. Audio works just fine on other applications so I'm guessing this might be a permission's issue or setting of some sort? I also have: flashplugin-installer 11.0.1.60~110713-ppa0~lucid & flashplugin-nonfree 11.0.1.60~110713-ppa0~lucid installed with ALSA v1.0.24.2.
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Mar 10, 2010
I switched from XP to Ubuntu a few days ago and I'm having a hard time getting flash to work properly in firefox. I can play videos and music in a non-flash format just fine, but flash videos play without sound and really choppily.
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Mar 26, 2010
I think I have multiple versions of flash installed on my computer, because each time I restart Firefox it reverts back to Flash 9 and I can't view hulu videos and ..... videos don't play at all. The ..... videos show up, but there's no sound and they freeze after a few seconds and firefox freezes and gets the error message "failed to allocate memory" in the command line.
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May 1, 2010
I just freshly installed 10.04 and I found that the sound doesn't work with Firefox and with Skype2.1.0.81 (though I get perfect output in Amarok and I can record from the mic just fine using QARecord). I have an Intel ALC880 integrated card and neither issue was present in 9.10.
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