Hardware :: Using 4 Same Type Webcams At The Same Time To Stream Video/audio To UStream?
May 23, 2010
Four alike webcam active on one desktop I am running:
Quote:
0.000000] Linux version 2.6.32-22-generic (buildd@rothera) (gcc version 4.4.3 (Ubuntu 4.4.3-4ubuntu5) ) #33-Ubuntu SMP Wed Apr 28 13:27:30 UTC 2010 (Ubuntu 2.6.32-22.33-generic 2.6.32.11+drm33.2)
Quote:
0.085125] CPU0: Intel(R) Atom(TM) CPU 230 @ 1.60GHz stepping 02
0.176037] Brought up 2 CPUs
0.176297] CPU0 attaching sched-domain:
[code]....
Does this meet the required 4 ports mentioned for alike cameras in the forum posting. If not, I have one of these.. Is this what they are talking about. I have just started thinking about this again and am not sure if I'm asking the right question. I don't want to go buying a bunch of hardware I can not use. So I'm hoping to look to someone here who has some experience in live streaming audio / video to one of the distribution sites.
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Nov 10, 2010
We have a Jetway JBC600C99-52W-B (Mini-top) with Xubuntu 10.10 and Logitech Z-205 USB Speakers but I have no sound. EDIT: fixed after installing gnome-volume-control and selecting my output device. Now i have a other problem, when i stream a video it plays sound for 1 second and when i click the play button it works fine for a while but after a few minutes the audio stops again. the video plays fine.
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Feb 17, 2011
i've been experiencing an issue with audio playback for certain flash videos that stream from the web. most play smoothly, like the videos at videos. others have this strange background noise that is only present when there is audio (usually on news websites that host their own videos). when there is sound, there is a strange stuttering noise that disappears during the silent pauses.
here's a perfect example:
epidemic of tsa criminality: more agents caught stealing cash from luggage, another arrested for assault. the videos video at the top plays just fine. if you scroll down and watch the other video in the small box, you'll hear the stuttering. i have fedora 14 kde, adobe flash player 64 bit preview release 3 and rpm fusion codecs installed. the problem is also present in fedora 14 with gnome, same setup. the problematic videos play without the stuttering in ubuntu.
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Apr 13, 2011
I have two identical webcams and I want to assign video0 and video1 to a particular one. I understand I can do this using udev but a bit stuck as being both the same they have the same attributes.
[Code]...
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Sep 20, 2010
I am fed up of listening to my (Windows XP) gaming computer through headphones so I want to get it hooked to the stereo.
Rather than use a heck of a lot of wire, I can sit my Ubuntu 9.10 netbook on top of the stereo and stream the audio across WiFi.
So, ideally what I am after is something to capture the outgoing audio on the Windows computer, stream it across the wifi to the Ubuntu netbook and finally play it through the speakers.
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Jan 1, 2010
I have 9.04 and I recently "got" a 13.2GB 1080p HD movie. When I try to play it, it's choppy and mosaic like. The audio plays fine, but the video jumps and I can't get a clean picture except for maybe 15% of the time. I have to hold down the spacebar so it plays and pauses very quickly for the video to even proceed. I've updates VLC and Movie Player and I've downloaded many codecs and I can't seem to fix it.EDIT: I can play it in Movie Player without the pixel/mosaic-like effect, but it too is extremely choppy.
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Jul 16, 2010
I wanted to see the current video stream of oil leak in the gulf but when I go to the page the video is black. When I click on the video it give the error message Quote:
An Error Occurred: Could not write to resource. I am not sure what that means or how to fix it.
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Apr 17, 2011
I was using Rhythmbox to listen to internet fine in Squeeze.After updating to Wheezy, some stations give me error "Could not determine stream type" - I think I have installed all the gstreamer packages - so how can I tell what is missing?
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Oct 23, 2010
In Firefox, when I try to download a PDF document from a particular website, I get the message, "Unable to open document. File type unknown (application/octet-stream is not supported.)" Yet the same PDF document loads fine in Konquerer. Am I missing a plug-in or something?
I am running Ubuntu 10.04 LTS (Lucid Lynx) and Firefox 3.6.11, which has an entry for PDF document under Edit �> Preferences on the Applications tab that says, "Use MozPlugger 1.13.3...".
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Feb 7, 2011
We have remote offices and we'd like all announcements in one office to stream to the other offices, to play on the speakers connected to VLC machines there. We can stream audio with VLC when working with a file, but how would we stream all audio produced by a single machine?
Ideally this would stream anything coming in from AUX/Line-In jack, as well as any other sound that the computer would make. I'd prefer to use cvlc (CLI version) rather than the GUI VLC, but whatever I can get would be good.We can run either Debian 5.0.x Lenny with 0.8.6.h-4+lenny2, or Debian 6.0.x Squeeze with 1.1.3-1squeeze2
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Jan 17, 2011
This plays fine in VLC, and there's a "Record" button there but I'm never prompted to save the recording anywhere. I wandered through preferences but didn't see any default capture directory fields.Where/how do I capture the stream for playback later? The docs that I've stumbled across so far are pretty outdated (but I'm still googling).
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Mar 11, 2010
I've used VLC for years, in both windows and linux. In windows streaming, you can select "NONE" for a Video Input, and just stream audio. This is not the case for Ubuntu's version.What can I do to stream just audio in VLC?
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Oct 17, 2015
im creatind dvd's from others hd movies and ive seen theres an option to adjust framerate in audio, but ive never using that and i dont see the difference, when i play the video i see audio is syncronized with the video.for example, for a movie with 23,97 fps i converted to PAL (25fps) and i dont do anything to the audio, and it plays sicnronized then ¿Its neccesary to sync audio, and how its done with ffmpeg?
i do somethin like this: ffmpeg -i source.mkv -target pal-dvd -acodec copy mydvd.mpg (is audio fps syncronized because of the target?)if i dont use target, should is use sb like this?.: ffmpeg - i source.mkv -r 25 -vcodec mpeg2video -acodec ac3 -r 25 output.mpg
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Jul 22, 2010
i am trying to record a audio stream with mplayer
i use the following command
mplayer -dumpstream http://................ .pls -dumpfile /media/mmc2/music/
but cannot find any stream that has been downloaded onto my memory card
i am using a nokia n810 running maemo 4 os
the command starts the stream and it shows the song title etc but i am having problems with the location the stream is being downloaded to
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Sep 16, 2010
I have two networked Ubuntu 10.40 machines and I am trying to stream audio from one machine to the other. I find on the surface everything works - I simply installed padevchooser and set the pulseaudio sink to the other machine. Now here comes the problem - whenever I do anything else involving network activity the sound crackles and hangs and it becomes hopeless. I've seen people elsewhere online complaining about crackling in relation to CPU usage but I can't find anyone talking about network usage.
In particular I often work on my office computers over VNC. I try to fire up VNC and it starts to load the remote desktop and the sound completely fails. I assume this is some kind of latency issue? Another good example is trying to watch a video on ..... - the sound plays at first but then as the video is being downloading in the background the stream starts to mess up. Listening to an mp3 in totem with no other network activity works fine.
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Jun 17, 2011
I have an old computer that I have put Ubuntu on. I would like to connect it to my stereo and stream audio to it from my laptop, so that it plays through the stereo.
I'm hoping to find some software to put onto this old computer to make it work similarly to an airport express. Anyone know of any software like this?
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Jan 12, 2010
I have a MacMini connected to the big-screen tv on one side of my living room. I have my gaming computer on the other side of my living room. I often use VNC to control the Mac, so I don't have to get up to change which iTunes playlist I'm listening to, or play a movie, or whatever.I would like to be able to do something similar with the audio.Here's my problem. Sometimes it's really hard to get the volume just right when I'm at the far end of the room. If I increase the volume to a level where I can hear everything, it sometimes annoys the neighbours.
So, is there a way I can stream all the audio from the MacMini so I can listen to it using a Linux laptop at the far end of the living room without annoying the neighbours?Because I want to set this up for watching movies, it needs to be fast enough to stay in sync with the picture.(It might just be easier to run some speaker wire across the room, but I like to try to do things the hard way first. Heh heh heh...)
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Jul 28, 2009
I whipped up a script to convert VOBs to AVIs for storage on ym NFS backend. I'm using mencoder on CentOS5 to do the conversion.For 9 out of 10 videos, this works great. There is the occasional 1 that will not have the correct audio stream however. I've tried -alang, -slang, aid, etc. to no avail. Here is my script (also in case anyone else finds it useful), but can anyone offer any suggestions on how to get the correct audio in my avi? When I open the vob in mplayer, I get English. When I run it through mencoder, I get Spanish.
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Apr 2, 2010
Every KDE4 application seems to take over the sound card. If I'm playing a song in Amarok and launch Dragon Player, the song stops. If I'm playing a song in an xterm using "mplayer -ao alsa" and then launch Dragon Player, the song stops. Most annoying of all, if I'm playing music in _anything_ and then a notification sounds in Kopete, the music stops.However, if I launch two xterms and play two different MP3s by running "mplayer -ao alsa" in each one, both songs play. So software mixing is working with my sound card.
This made me wonder if KDE is outputting music through OSS instead of ALSA. Well, KDE's audio backend is set to xine, and xine is outputting through ALSA. Under System Settings->Multimedia->Audio Ouput, the only devices I see.
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Oct 4, 2009
My computer functions good, I can see and play almost everything, but I have no access to the following web page: http://flusserstream.khm.de/flussers...&chapter_id=16When I try to open it, it says done and nothing happens.What do I need to make it well?
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Jan 10, 2011
How I would capture on-screen audio AND my webcam audio at the same time.(My webcam seems to rely on pulse).
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Oct 20, 2015
So I got myself a USB capture card (EasyCap) to use for capturing gaming, digitizing my kids' old VHS movies, etc. It works fine, I've been using VLC to view and record stuff from it, but I've noticed one issue. When recording streams via VLC, even with no other programs running to give VLC as much CPU time as it wants, the audio slowly falls out of sync. I've tried the MP4 (H264/MP3) container and the OGG (Vorbis/Theora) container.
Early on you can't hardly tell, but the further into a movie you get the more out of sync the audio gets, so that by the end of the movie the audio is a good 1-2 seconds off. It's not a set amount either so I can't just split the audio to a separate file then shift it one direction or the other to make up for the difference, because like I said, the offset starts out at nothing and gets progressively larger as the movie goes on. When I select "display locally", the video/audio that is displayed stays in sync, only the video/audio that gets committed to the output file falls out of sync, and it doesn't matter if I play the file with Totem or VLC.
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Feb 28, 2010
I have two machines on a local area network (xp box and xubuntu box) and I want audio from both machines to be played from the same set of speakers. The problem is, the xubuntu machine doesn't have any sound output. There is no onboard sound card and all expansion slots are pci-x, so short of buying a pci-x sound card my only option for playing sound is to route audio through LAN to my xp computer.
I already have a program that will let me play music on one computer from another's speakers, but I am trying to set up a stream so that games and internet sound can be heard. Is it possible for me to do this?
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Jan 29, 2010
I'm trying to figure out the hidden stream URL for the following local radio station here in Tulsa, OK.[URL]
I'd like to be able to play it in Rhythmbox. Is there a way to figure this out?
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Apr 2, 2010
my problem is regarding .asx live streams. Up till 2-3 weeks ago I was able to listen to [URL] perfectly well with Totem under Ubuntu 9.10.
Since then whenever I want to start the stream, Totem darkens and nothing happens. I've tried Mplayer and VLC as well but neither of them work (but that's not news because they didn't work when Totem did either).
I had a look at the recent package updates in Synaptic to see if any audio-related ones had been changed and I have downgraded libaudiofile0 (to version 0.2.6-7ubuntu2) and gstreamer0.10-plugins-bad (to version 0.10.14-4ubuntu1). The problem still remained, so I updated them again.
The radio chanel works perfectly under Windows, and other .asx streams (for example [URL]) are working fine with Totem in Ubuntu.
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Apr 17, 2010
I would like to know how to demux the audio from a flash video file (copied from /tmp while browsing a video site). I would prefer to avoid re encoding if possible.
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May 6, 2010
I was wondering is somebody could look at this simple script that I am working on. I cannot get it to output to my home directory. I noticed the message "bad input or output format" in the VLC verbose terminal.
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May 4, 2011
I'm trying to figure out the hidden stream URL for the following local radio station here in Tulsa, OK. [URL] I'd like to be able to play it in Rhythmbox.
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Jun 13, 2011
I have been using the streaming audio feature in Firefox for years, and have upgraded Ubuntu with each new release. I've never had a problem with streaming from my favorite radio stations until I upgraded to Natty. If I know the IP and use Audacious or another client, I can still stream through them-- but not from my browser any more. Flash-based content works OK too.I have upgraded two computers from 10.10 to Natty (desktop and laptop) and it has happened with both. the desktop is the 64-bit system (AMD), and the laptop runs the 32-bit OS (Intel). We have two other computers still running 10.10, and they're both still OK. I have uninstalled and reinstalled the xine plugin (which seems to do most of the streaming), VLC, and a couple of others. No luck. I don't think I see any gaps between the codecs installed for the 10.10 computers and the ones running Natty.I tried Chrome -- same result.
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Apr 6, 2010
Is it possible to stream audio to multiple bluetooth headsets on the same using dongle, simultaneously?
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