Ubuntu Multimedia :: Running Apps Through JACK In Lucid?
May 22, 2010
I have lucid and jack almost the way I want. I can't get apps like flash (in firefox) and rhythmbox to run through JACK. I've followed some outdated guides on the forums here, but I haven't had any luck.
I set up gstreamer to use jackaudiosink, but no luck.
If you ask me, JACK + ALSA should be the default, with maybe a simplified or automated control system for people who don't want to exploit their might
I hate having to close up a massive JACK patch just to watch a quick movie, or having to close Pidgin so JACK will start.
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Nov 20, 2010
No time at the moment to quantify (can do later), but after months of reasonably stable audio work under kernel 26.32-24, I finally updated to 25 and jack apps are crashing left and right.
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May 2, 2010
Why do this? Two reasons:
1) Many of us use JACK for low-latency audio work, but it's annoying to have to turn it on or off to have to allow regular Ubuntu applications to work. It's even more annoying that both can't normally work together -- either JACK or PulseAudio must take control of the sound control. This method allow JACK to do, and PulseAudio just routes to JACK.
2) JACK is kinda super awesome. By routing PulseAudio through it, your regular Ubuntu sound application suddenly get super powers. Pretty easy to do! (Well, we count our blessings in Linux...)
1. DYNAMICALLY You need the PulseAudio utilities and JACK sink:
Code:
sudo aptitude install pulseaudio-utils pulseaudio-module-jack And then run this to get PulseAudio connected to JACK: Code:pactl load-module module-jack-sink pactl load-module module-jack-source Now, go to Ubuntu's sound preferences, and you'll see "Jack sink" in the output tab. If you use JACK Control, you can create a script for the above and have it set up in "Execute script after Startup". Then, PulseAudio will automatically load the JACK sink when you start JACK.
2. BY DEFAULT Edit /etc/pulse/default.pa, and add these lines:
Code:load-module module-jack-source load-module module-jack-sink You can test it without rebooting by restarting PulseAudio. In Ubuntu, PulseAudio is started in the user session, not as a system daemon. To restart it:
Code:
pulseaudio --kill
pulseaudio --start
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Sep 3, 2010
Muse will not make sound. The jack server is running, but not from the terminal. I can only get it to run with the Jack control. But it IS running. And still, I hear no sound from muse.Muse is connected to the system in the connection window.So, whats the problem?
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Oct 2, 2010
Trying to run Exaile and play music with it through Jack and I get this message: 'The autoaudiosink is missing'. What should I do?
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Jul 6, 2011
I can't get jack working
soundcard chipset: EMU10k1X
Here Qjackctl log:
Code:
p, li { white-space: pre-wrap; } JACK server starting in non-realtime mode
Cannot lock down memory area (Cannot allocate memory)
control device hw:0
control device hw:0
audio_reservation_init
Acquire audio card Audio0 .....
jack server is not running or cannot be started
already added
@audio - rtprio 99
@audio - memlock unlimited
@audio - nice -19
to
/etc/security/limits.conf
I am member of audio group. Realtime option unchecked. I also reinstalled ubuntu in a fresh install and the same problem.
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Nov 14, 2010
I have Songbird running on another display on the same machine as my Mythtv frontend but while the frontend is running, audio seems to be disabled for it and other applications. I assume that this is because Mythtv suspends Pulse audio.
Is it possible to make this work without enabling pulse audio?
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Dec 26, 2009
For the longest time DVD and MP3 playback have haunted me. I fully understand the idea behind open source and not packaging the codecs with the OS. My question is this: I am running openSUSE 11.2 on my lappy. When I try to follow steps online to install all the necessary codecs, plugins and applications. I always seem to run into dependency problems. Can ANYONE out there give a step by step walk through of installing and running all the necessary files, codecs, apps. from a fresh install that has worked for them to get media to work in suse 11.2? For the sake of example and trying to get this process done right lets assume that I have installed suse fresh on my system and want to play DVD's and listen to MP3's.
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Jun 27, 2011
I've got an Acer Aspire 5101 with Natty on it and everything works so far, but I can't start Muse. It says: "Muse failed to find a jack audio server". At the bottom it also says: "...if Jack was started check if it was started as the same user as Muse". This might be the issue. But how can I check this? BTW: Jackd has been installed and I am a Member of the Audio Group.
I am new to Ubuntu and don't know how to fix this. I got this Notebook for free, because my Brother wanted to dispose it as it didn't worked properly after he reinstalled xp. Only the dvd-drive is broken, the rest is in really good condition for such an old thing. After a lot of trial and error I could finally install Natty from USB.
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May 10, 2010
I just installed ubuntu lucid x64 on an HP dv7-3065dx and even though the installation went pretty smoothly, every time I open cheese or anything else that uses the webcam, the microphone all of a sudden cuts off. It doesn't receive input. However if I use the microphone without camera then the microphone works.... Is the webcam somehow crashing the microphone?? Is there something wrong with pulseaudio? The webcam works great and is recognized as "HP Webcam".
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Jan 19, 2011
Evidently I need to run Jack Control in combination with Qsynth to play my midi keyboard. That was ok for about a week or so, then Jack developed a problem. This was solved the first time by me unticking the Realtime box in Jack setup, but that has not worked this time. Must I rely on Jack just to have my midi keyboard sound?
The errors messages I receive are:
Could not connect to JACK server as client.
- Overall operation failed.
- Unable to connect to server.
Please check the messages window for more info.
and
12:45:12.427 Patchbay deactivated.
12:45:12.480 Statistics reset.
Cannot connect to server socket err = No such file or directory
Cannot connect to server socket
jack server is not running or cannot be started
12:45:12.533 ALSA connection graph change.....
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Sep 1, 2010
How can I get Firefox (and other pulseaudio-using programs) to play while I have jack running? Is there a way to make pulseaudio run through jack? I'm running ubuntu and puredyne distros.
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Jan 24, 2010
i'm trying to run a graphical program at a specific time with the help of 'at'. i'm on kubuntu but i think this will be the same on any *buntu.
because 'at' is such a common word. i found this bug [URL] but the mentioned work around doesn't work.
i can make at work with command line if i enter the a tty to make the output to.
example of what i do is:
Code:
$ at now
warning: commands will be executed using /bin/sh
at> date > /dev/tty1
at> <EOT> (CTRL+d)
[Code]....
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Feb 26, 2011
In Karmic, I could run an app as user gdm by issuing the following command (assume the app is gconf-editor)
Code:
gksudo -u gdm dbus-launch gconf-editor
Now that I've switched to Marverick when I issu the same command I get this:
Code:
towheed@GA1A4CH:~$ gksudo -u gdm dbus-launch gconf-editor
No protocol specifiedNo protocol specified
** (gconf-editor:19812): CRITICAL **: Failed to parse arguments: Cannot open display:
I checked my environment variable DISPLAY using:
Code:
towheed@GA1A4CH:~$ echo $DISPLAY
and it returned:
Code:
:0.0
Now I ran the command:
Code:
gksudo -u gdm dbus-launch gconf-editor --display=:0.0
and got the same error as before.Has either or both dbus-launch or gksudo changed their behavior os is this a bug. Note that the command does not work with any applications being run as the user gdm.
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Mar 14, 2010
I have 4 workspaces set up and they appear on the bottom menu bar. Usually I can switch to each and see what's running in each, even if the apps are minimised. Now I can only see what hasn't been minimised, and I can't see or return to the ones that are minimised... System Monitor shows the minimised apps are running... I was poking around gconf editor late the other night and I must have altered a setting but I have no idea which. I've looked through docs etc but can't find a solution.
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Feb 16, 2011
After downloading a Chrome (for Linux of course) installation package via FireFox. Opening it from Downloads, entering the Administrator password. Then clicking on the " Install Package " button in the " Package Installer " window, I get a message:
"Only one software management tool is allowed to run at the same time, please close the other application 'synaptic', 'aptitude', or 'update manager' first."
I see no evidence of these apps or any others running & I got rid of the Firefox. Are these " Other Apps " hidden somewhere, how do I determine this?
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Feb 21, 2011
I really do not know how to phrase this question properly. I am quite unaware of the PC jargon. But I have Ubuntu as the main OS and Mandriva is the second OS on the same hard disk. The boot loader is the Ubuntu. When I want to switch to Mandriva, on boot up I press Shift and then select the kernel.However, if I am on Ubuntu and want to run an application which resides on Mandriva, how do I do that? My fstab file does not even mention Mandriva. However, the file system does show up that file and I can open any files I need by clicking on GUI "Places". But when I try to run any of its applications by clicking the appropriate file on its /bin file nothing happens. A pop-up window briefly flashes and disappears. So my questions are:
1. First how can I change directory so that I am on Mandriva. Can' cd ...something' take me to that file because I see it in "Places" as a 36Gb file system?
2. How can I run an application which resides on that file system e.g., R or Octave which I do not have installed on Ubuntu, without rebooting into Mandriva.
3. Can I do this from command line.
4. And finally, can I do the same from Mandriva i.e., access Ubuntu from it.
I did read quite a bit about mounting files and fstab, but the fstab does not show the file system I am talking about. These are the outputs from Ubuntu os.
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May 2, 2010
For starters; although I am comfortable with Ubuntu, I don't really understand these midi and jack things,Ok,so I got a midi controller keyboard which I want to connect to my ubuntu pc to start making some music (play piano and possibly try to make some songs). I don't know if my sound card supports midi, but I got a Roland midi-to-usb converter. I connected it to my pc and downloaded Jack Control. When I fire up Jack control my normal music (using audacious) stops (don't know if this is normal). On the window that appears I hit start which results in an error, which I will paste below:
Code:
22:46:06.556 Patchbay deactivated.
22:46:06.560 Statistics reset.
[code]....
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Jan 5, 2010
how to configure X11 forwadring over SSH so, that when I open any app over SSH, I get displayed window of a process that is already running on my server (in case its running ), not a new instance of it.
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Sep 15, 2010
I've just installed KDE on to my regular Ubuntu 10:04 install and thats all good and well but now when I run my fav GNOME apps in KDE, they look old fashioned like some from Win 95 or 98 type thing. Do I have to install additional GNOME Libraries and if so which ones?
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Feb 4, 2011
What are the ways to check the CPU/memory utilization on my headless torrent box on Seagate DockStar? Besides rtorrent and sabnzbd, I also have Asterisk running on it for occasional telephone calls.
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Jul 14, 2010
my wife needs the 'horrible' dos because she uses - Russian - programs written for windows only.
i suppose:
they - the Russians - never discovered the linux-os (very surprising)
or
she - my wife - got the wrong version.
my Q:
is there an easy way to run windows-progs on ubuntu 10.04 ?
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Jul 18, 2010
Im comming from ubuntu/mint and one of the things I got used too was doing something like "sudo nautilus" or "sudo gedit" and similar things. In Suse 11.3 I always get errors like the following
(gedit:6115): Gtk-WARNING **: cannot open display:
kate: cannot connect to X server
Could not parse arguments: Cannot open display:
or similar variations of these.What can I so to prevent this from happening? even if I do "su" and try from there it doesnt always work.I like Suse as it feels more professional then ubuntu, but I am trying to make it as user friendly.
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Oct 15, 2010
I had some problems which were were already as bugs on which kde4.4.4 crashed and since than I lost this functionality. I cannot say if I have any apps running if they were all minimized as they don't appear on the taskbar. I can switch through them via Alt-Tab.
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Jun 12, 2011
There are some apps for win that run on wine just with an ordinary install procedure. There are others that will never work at all. But there are also some that wine users claim to have made run by changing some specific configuration of wine, using some trick or even creating scripts on playonlinux.
So if I try to run an app on wine and it doesn't and I don't find any user documentation about some specific trick or config for that app what adjustments can I do to try to make it run? I mean, it's tiring and perhaps foolish to spend hours playing with every possible config in wine frontend without knowing what I'm doing. So what can I do to find out what libraries, configs, tricks or scripts are needeed to make an app run under wine if it didn't at the first try?
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Feb 27, 2011
I have a simple home network consisting of 2 laptops - one is a linux box and the other runs windows and linux with a dual boot setup.I develop my web apps on the linux box but would like to test them out on the windows machine using IE7. I have abandoned the idea of doing this in Linux using wine since in the real world this is unrealistic
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May 6, 2010
I have an ESI Gigaport HD USB external soundcard which I'd like to use via Jack with my Thinkpad T40 running Ubuntu 9.04.This is the card, it has no inputs and 8 x outputs:
[URL]
The card is autodetected on plug in. I can see the 8 x outputs in the Jack connection window but I can't run any sound to it. Anything I connect to it on any of the 8 channels is silent.
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Aug 30, 2010
I had Ubuntu 10.4 installed and JACK was working excellent. I noticed that gnome was a little more than what I needed so I installed the xubuntu-desktop package. After that install JACK no longer works... I run the command jackd -d alsa and I get a bus error. I did a new install from an xubuntu iso and same error.
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Dec 1, 2010
Same as above. I've fiddled around, but I can't get Rosebud to work. I have Qsynth, ZynAddSubFX Synth, JACK control, and Rosebud but I can't get any of it to work
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Jan 26, 2011
Can't get jack to work. Installed from synaptic (running ubuntu 10.10, 64bit).
WHen ckicking "start" in qjackctl (jack control) I keep getting this message:
19:27:58.615 Patchbay deactivated.
19:27:58.616 Statistics reset.
Cannot connect to server socket err = No such file or directory
Cannot connect to server socket
jack server is not running or cannot be started
[Code].....
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