Ubuntu Multimedia :: Mencoder Cam Recording Script No Longer Works?
Mar 20, 2011
I have been using mencoder to record audio and video from my Logitech Quickcam Pro 9000. I've been using the following wrapper script under 10.04:
Code:
#!/bin/bash
outFile=$(date +%Y-%m-%d)
mencoder tv:// -tv driver=v4l2:width=800:height=600:device=/dev/video0:forceaudio:adevice=/dev/audio1 -ovc lavc -oac mp3lame -lameopts
[Code]....
The video and audio work in other applications, but for some reason mencoder isn't using them. I don't like Cheese because it seems like I can't get equally high framerates at good resolution, and besides I want to be able to run this from the command line.
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Apr 8, 2010
On Ubuntu lucid 10.04 Beta , I can see on Sound Preferences -->Input Tab , No input level sliding moving where input volume is 100% and device for sound input is Internal Audio Analog stereo. That's why I am unable to record on Sound Recorder. But the sound works where I can listen to music or video but not sound recording.
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Aug 12, 2011
For some time, my microphone input doesn't reach the recording application, but instead goes directly to the loudspeaker. If I make a sound in the microphone, it will go to the loudspeakers, and Audacity or Skype will not "hear" anything (and of course, with this set-up, there's a constant noise in the loudspeaker, coming from the microphone).This problem goes away if I install PulseAudio. So obviously, there's nothing broken with either of ALSA or hardware, only some misconfiguration somewhere, and PulseAudio can make a sense of the mess. Playing with all sorts of configurations in Alsamixer didn't help.
Unfortunately, I don't want PulseAudio, because it causes output problems which are a bit too subtle for me to describe coherently here. So I'd rather fix ALSA than Pulse.Please direct me into how to investigate this. The OS is Debian Unstable, the audio card is an integrated Intel ALC1200.
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Jul 17, 2010
I installed 64bit flash last week when I installed Ubuntu 10.04 64bit on my new laptop, and for the past week it has worked without issues.
However a couple of day ago it simply stopped showing flash videos on sites such as ..... etc. I think there might have been a ream of updates around the time this happened but my memory is a little vague.
I have since tried installing the each of the 3 flash codecs in turn that Firefox recommends but these will not install, failing with an exit status of 2. After I tried this I followed the 64bit flash instructions on the Wiki once more to get back to the point when it previously worked but alas this has been of no help.
I have also tried loading flash videos in Chromium and these suffer from the same issue. Anyone have any ideas what could have caused flash to suddenly stop working?
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Oct 23, 2010
Since upgrading to OpenSuSE 11.3 I no longer have sound.I remember having the same prob upgrading to 11.2, but for the moment, I'm at a loss.
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Apr 30, 2010
It all started Tuesday morning. I woke up and turned my computer on. Normally I just leave it on all the time, but I turned it off the previous night for some reason. When I turned it on, everything worked fine for about 10 minutes, until my monitor said "Monitor Working Out of Scan Range." I messed with the settings on the monitor to try and get it back, but to no avail. Restarting would make it work, but for even shorter periods. It eventually would display the manufacturer image (Everex), and then go dead again with the same message.
I thought it was the monitor at first, and got a new one. The new one is a wide screen 18.5 inch Dell IN1910N. The problem persisted, so I knew it wasn't this. I kinda figured it out when I started smelling something burning coming from my computer, and discovered it was the graphics card I installed awhile back. It is the pci ATI X1550, and its fan no longer worked.
So I figured, well, I will just remove it and go back to the onboard video. Doing this worked fine, until I got to the stage where it tried to boot to the Xserver, and then the computer just hangs. No sounds indicate I ever get to a logon screen or anything.
Now, I tried commands like sudo dpkg-configure xserver-xorg, and it asked me a lot of questions about my keyboard, but didn't fix my video. I also tried the "Xfix" option in recovery mode, and it purged all the old fglrx drivers, but that didn't help either.
I am currently using a live CD (I was doing straight command-line for awhile, after I also played hell getting the wireless working). I tried literally coping and pasting the entire contents of the X11 folder over, but that didn't work either (the xorg.conf files were the same anyway). I don't know what to do to get my old partition to boot X correctly.
All the commands I was copying before are not in my terminal now, and I'm not sure exactly what command-line information you need. I know that Openchrome is supposed to run the onboard VIA video, but I don't recall the command that tells me everything about it.
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Jun 18, 2010
On my initial setup I follow the Comprehensive sound guide that is posted on the ubuntu forums because I wanted to get the spdif work Optical out with surround. After a while I was able some how to get it to work and but my headphones would no longer output sound so in an effort to get sound back to the headphones I maanged to ruin the the settings for the spdif.My question is how can I get spdif back and switch between headphones and spdif.I there no way to figure it out how do I purge every file that has to do with sound and recompile. ( THe comprehensive sound guide showed how to purge the alsa utils but that didnt work if someone know why please let me know and if you could explain.)
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Apr 12, 2011
I switched my htpc from windows xp to ubuntu 10.10 and since i switched my audio no longer works. these are my current stats. Please help im new to Linux so im not sure quite what to do. [URL]
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May 13, 2015
Updated old Eeepc 1005HAB to Jessie. Used to have a text file:
xrandr --output LVSD1 --mode 1024x600 --fb 1024x768 --panning 1024x768"
that I could run (twice in a row, it needed) to allow the scroling of the screen to see the bottom 1/4.
This no longer works.
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Mar 17, 2011
Are you running Lenny? If yes, try this:
Be sure that there is an active X.
Press Ctrl+Alt+F1 to switch to tty1.
Login with your normal username and password.
Enter the command: "xrandr -d :0.0 -q"
You should be rewarded with information about your current screen.
Are you running Squeeze? If yes, try the above procedure and please explain to me what this means: No protocol specified
Can't open display :0.0
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Feb 2, 2011
Testing an upgrade Etch>Lenny 5.08, and one issue I've found is that "sudo konqueror" in a teminal no longer gives root priveleges, instead konqueror starts with limited rights. It also seems that using a .desktop shortcut, an attempt to run konqueror under any credentials other than the logged-on user fails.
Yet, 'sudo kwrite' works. Anyone met this before, or know why?
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Jan 31, 2010
I have xscreensaver installed and configured. I have it set to turn on after 5 minutes, cycle every 5 minutes. I have acpi setup to blank my monitor after 10 minutes and power off after 15 minutes. The problem is, sometimes it works, sometimes it doesn't. I haven't figured it out. The service from what I can tell only runs when the screen saver is active. So checking ps -e doesn't tell me much, and since there isn't a true problem it is not recording anything in the logs.
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Apr 7, 2010
Running ubuntu 8.10 on a toshiba equium l20.
I have avast anti virus installed and it has been fine, but yesterday i downloaded updates for it and since then whenever i try to run the program i get an error and it refuses to run.
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Jan 8, 2010
I just updated my system to a new kernel with the update manager and now my WICD no longer obtains an IP address. Everytime I try it says "Connection Failed: Unable to get IP address".It was working fine before and even when I reboot into an older kernel it still doesn't work.I'm using a Belking Wireless G adapter.I would have tried downloading another network manager but since I can't even access the internet I'm stuck with changing current settings and nothing seems to work.
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May 8, 2010
I made a USBbootdisk and installed 10.04 the day the final release came out. I installed it, used this post install guide http://blog.thesilentnumber.me/2010/...de-what-to.htm, and it has been working like a charm since then. When I went to log on to it today, the log in screen comes up as normal, I enter my password, ubuntu thinks about it for a minute, and then sends me right back to the log in screen.
I have an Asus EeePC 1005, dual booting Windows 7 Starter/Ubuntu 10.04
I just want to see if this is fixable before I wipe the partition and reload ubuntu.
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Aug 1, 2010
Have recently updated 10.04 with latest updates which included a new kernel and the printer no longer works. In-fact I can't even define the printer and I don't have a printer installed, the install script can't locate the printer on the USB. I have a cannon MP640.
I can print OK through windowsXP on virtualbox, printer is found OK.
Everything was fine until latest update.
Also my USB TV card doesn't work anymore, it also was OK before the update.
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Aug 8, 2010
I installed Lucid several days ago, and have just noticed that SCIM no longer works. I need it for Japanese input, but cannot turn on Anthy. The manual is either nonexistent or extremely terse with a lot of presupposed knowledge.I've installed German, Russian and Spanish language support, along with CJK. I can't even get the SCIM tool to pop up now---except ONCE!Simply reinstalling using Synaptic overlays the existing problem(s), and does not resolve any issues.SCIM may be conflicting with the desktop Switcher applet? Actually, SCIM seems to be conflicting with other Gnome desktop shortcuts, as well
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Oct 16, 2010
Ubuntu, been using windows for years and now use Mac. I have Ubuntu running on a netbook at work and all of a sudden my wireless connection not only doesn't work, it doesn't seem to exist! Wired still works fine, but the wireless option has vanished. How do I reset or restore or whatever it takes to get my wireless working again?
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Nov 25, 2010
I've been using Back in Time on Maverick (originally on Karmic) for some time but in the last couple of weeks I haven't been able to make new backups. Here's my output:
Code:
[REDACTED: ~]$ backintime -b
Back In Time
[code]...
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Jan 12, 2011
I installed virtualbox a couple of days ago and had used Windows 7 (guest) multiple times without anproblems. However, upon attempting to share folders, it will no longer boot and I get this error:
p, li { white-space: pre-wrap; } "Failed to open a session for the virtual machine Windows 7.
The virtual machine 'Windows 7' has terminated unexpectedly during startup with exit code 1."
Details:
[code]....
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Mar 7, 2010
I'm trying to convert a video in .ogm format to .avi format so I can stream it to my PS3 via uShare. I'm using Mencoder and the following command to do it (to transcode the audio from vorbis to mp3 and the video from mpeg4 to xvid):
Code: mencoder input.ogm -oac mp3lame -ovc xvid -xvidencopts pass=1 -o output.avi.The only problem is, the video contains 2 audio streams - one Japanese and one English. Needless to say, I need the English one. The above command only seems to transcode the Japanese audio though!Here's what ffmpeg has to say about the input file:
Code:
Input #0, ogg, from 'input.ogm':
Duration: 00:24:16.12, start: 0.000000, bitrate: 1280 kb/s[code]...
what I can do to specify the correct audio stream to encode? Also, how can I keep the bitrate the same as the output.avi seems to default to 96kbps?I'm not sure which audio stream is which but a little trial and error will sort that out in no time.
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Apr 20, 2010
I'm trying to transcode and merge sub with mencoder in order to watch a video on my nokia cellphone.
I'm using this command :
Code:
without success. The transcoding works, but no subtitle is merged.
The transcoding log is here
I'm using Karmic.
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Apr 28, 2010
So I typically use cat to put my avi files together.. but today I figure lets see about ripping over so I can watch on my Droid.
As nobody has a xvid or vlc player on the droid (yet.. coders are doing alot for Android ya know) I will have to convert the video down and change the format.. So.. can anybody tell me a mencoder command line directive to get as close to this as possible (I found ipod settings leave the actual video lacking).
Video
Format MP4
Encoder H.264
Resolution 854 x 480 (or 720 x 480; 480 x 320; 320 x 240)
Frame Rate 12 fps - 30 fps
[Code]....
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Jun 2, 2010
how to remove audio from an .ogv video (GTKRcordmydesktop) while converting to .avi using mencoder?
I've started with this command:
Code:
mencoder -ovc lavc -ofps 15 -oac mp3lame -af volnorm=1:1 out-2.ogv -o sound_editing.avi
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Jun 6, 2010
Using Miksoft's Mobile Media Converter, and I cannot convert files to MPEG4.[URL]Converting to MPEG1/2 works fine, but trying to convert video for my son's PSP always produces an error. Here's the output:
Code:
>> Command executed:
"/opt/MIKSOFT/MobileMediaConverter/lib/mencoder" -oac lavc -ovc lavc -of lavf -lavcopts
[code]....
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Sep 29, 2010
I am working in a script I have, to capture video with sound from my capture board, wich is a clone of the pico2000. This script was working in Ubuntu 9.10 untill I reformated my machine and instaled the Ubuntu 10.10, 64 bits. The machine is an AMD Athlon II, 2.6GHz with 3 GBytes of Ram. The former script was:
Code:
#!/bin/bash
clear
SERVICE="mencoder"
MOVIE=$(date +"%H%M")
[Code].....
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Nov 26, 2010
I'm doing a little python app for encoding .avi from dvds. I know there are a few really good applications out there that do the same thing but I wanted something simple with less faff. The application has 3 settings: Fast, Medium, and Slow. These are for the varying quality rips. For file format I was thinking either lavc or Xvid.
So my first question is, which is better? I really don't know anything about it and I haven't found a decent site that compares them. And secondly what are the best settings for a DVD rip for a Fast Rip, a 'Best of Both' Rip, and a Best Quality Rip? If I've missed any factors in this, please let me know, I'm new to the DVD ripping game. I have no intentions of distributing the movies, they are for my own uses.
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Jan 9, 2011
I'm trying to convert my screencast to an .avi file, but when I open it... the commentary track is waaay out of sync. No matter which codec I use, it will not stop dropping frames!
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Apr 9, 2011
I wonder if there is a way to convert 3gp format to avi using mencoder or something similar?
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Feb 15, 2010
I recently upgraded from 9.04 to 9.10 and the sound on my machine no longer works. I was previously using the OSS for sound. I'd like the sound solution that requires the minimal effort and I don't necessarily need to run OSS again. Ubuntu is installed on a Dell Optiplex 960.
Code:
aplay -l
results in:
Code:
aplay: device_list:223: no soundcards found...
[Code].....
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