Veromix - volume control / soundmenu

Plasma 4 Extensions

Source (link to git-repo or to original if based on someone elses unmodified work): Add the source-code for this project on opencode.net

58
8.4
Description:

Veromix is a mixer for the Pulseaudio sound server.

Features:
- Media player controls (aka nowplaying)
- per application voluem control (replay & record)
- global hotkeys
- can life in system tray
- switch sound card profiles (for ex. from regular to HDMI)
- control LADSPA effects (equalizer and other effects)
- keyboard navigation (use Tab- and Arrow-keys)

Quickstart:
- middle click on panel icon mutes the default output
- mouse wheel over panel icon increases/decreases volume
- drag and drop playback streams between different output devices
- right click context menu:
-- kill playback streams
-- set default output device
-- set per channel volume
-- switch sound card profiles
- assign hotkeys
- click the add icon (bottom-right) to add a new effect
(drag and drop playback stream to the effect sink)


More Info:
- Howto: http://www.omgubuntu.co.uk/2012/02/how-to-increase-volume-over-100-in-kde/
- YouTube: http://www.youtube.com/watch?v=fph8xqsJd_g
- Review: http://padoca.wordpress.com/2011/03/18/kmix-veromix-qml-and-other-stories/
- Review: http://techlaze.com/2011/08/best-plasma-widgets-kde/

FAQ:
- Disable KMix: Set "AutoStart=false" in "[Global]" section of .kde/share/config/kmixrc

Requirements:
- plasma-scriptengine-python
- python-xdg
- python-qt4-dbus
- pulseaudio
- swh-plugins / ladspa-swh-plugins (for equalizer and other effects)
- ladspa-sdk / ladspa (dynamically detect installed ladspa plugins)

Changelog: http://code.google.com/p/veromix-plasmoid/source/browse/Changelog

Packages:
- Debian: http://packages.debian.org/plasma-widget-veromix
- Arch: https://aur.archlinux.org/packages.php?ID=60883
- openSUSE: https://build.opensuse.org/package/show?package=plasmoid-veromix&project=KDE%3AExtra


Please report bugs/wishes here: http://code.google.com/p/veromix-plasmoid/issues/list

bigbrovar

10 years ago

This is the best and most useful plasmoid ever. I simply can not thank you enough for this. I have a simple request though. If the plasmoid could have the same monochrome icon like u get on the systemtray in kde 4.5 so as to maintain consistency with the rest of the systemtray?

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nik3nt3

10 years ago

glad to hear you like it. What do you think about the "left/right icon" placement (see thread above)?

@monochrome icons: the icons are not part of the plasmoid. E.g. the plasmoid "takes" the icons of your icon theme (see third screenshot). Maybe your theme does not provide the appropriate icons?
/nik

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9

praveesh

10 years ago

Wow . Really amazing . It's what I was waiting for. Keep up the amazing work

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9

megabigbug

10 years ago

On your screenshot, if you compare the left and right icons of the "Internes Audio Analog Stereo" item and the "Amarok Audio Stream" item, you see that they are inverted.

Can you explain why you made this choice ?
In my opinion, it is not very aesthetic.

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nik3nt3

10 years ago

It is visualizing the "audio flow":

- "amarok" and "plugin-container" are applications that produce an audiostream

- "Internes Audio Analog Stereo" is (the german) name of my soundcard

metaphor:
The audio-stream from amarok enters the applet on the left, then it goes through the slider which controls the volume. Depending on the volume and the audio-signal the meter on the right will shake more or less.
Then the stream is mixed with the audio-stream from plugin-container and enters the output "Internes Audio Analog Stereo" on the left, then the overall volume (for the output) is set and the stream will leave the applet on the right (there you can also mute the output)

Note: You can have multiple Output-Devices(soundcards), in this case every input-stream (like amarok, or plugin-container) will be above its assotiated output-device. This would look like this:

[icon] amarok [meter]
[icon] bangarang [meter]
[meter] Internes Audio Analog Stereo [icon]
[icon] plugin-container [meter]
[meter] RTP-Multicast [icon]

---
I don't like the UI of (the new) kmix or pavucontrol where every type got its own tab (playback, recording, outputs and recording). I was looking for a UI where every type can be shown without tabs.
I know it is very minimalistic (no labels), but I thought that it would be intuitiv as soon as one would see it in action.
--
I'am open to discuss the current arrangement.

/nik

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megabigbug

10 years ago

I hope I understand how it works.

Why not something looking like that ?:

============================
[icon] Internes Audio Analog Stereo[meter]
--------------------------------------------------
[icon] amarok [meter]
[icon] bangarang [meter]
============================
[icon] RTP-Multicast [meter]
--------------------------------------------------
[icon] plugin-container [meter]
============================

I assume the plasmoid is at the bottom of the screen

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nik3nt3

10 years ago

What do you think of the new UI?

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9

megabigbug

10 years ago

What do you think about use this kind of popup ?

http://www.youtube.com/watch?v=1Z31MLWMOuU

One popup for each output stream.
Each popup contains a title (with a volum control) and a list of input streams (with their volume control).
The user could drag n drop an input stream to another popup (ie. output stream).

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nik3nt3

10 years ago

@second:
Looks good. But this cannot be done with python and the current API (as far as I understand it).
The PopUp functionality is provided by plasma (PopUpApplet) and cannot be changed/overwritten by a python-plasmoid. (For the same reason it is not possible to change the main-volume by scrolling with the mouse-wheel over the icon).

@first:
I did mockups with this layout, but decided to implement the current one which I like (depending on the icon-theme) a lot. I will give your layout another try, but don't expect this to happen very soon..

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3

groo

10 years ago

kudos for such a nice app, already a fan

some things i would like to see implemented.

1 - like anyone already asked, ability to control input devices too

2 - ability to control master volume with the mouse scroll by overing it over the systray icon (ala kmix)

3 - ability to turn the master volume above 100% (like gnome applet)

4 - ability to control play/pause/<<>> in amarok and other players (i know this isnt controled by pulse, but it would be a awesome feature) like ubuntu is doing for the volume control of upcoming 10.10.

hope to see some of this implemented, tks again for such a nice plasmoid

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eijk

10 years ago

Would be great if one could also use veromix to switch application inputs.

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eijk

10 years ago

Cannot install the plasmoid on KDE 4.4.4 (openSUSE 11.3)

Other issues:

Lots of backup files *~ in the plasmoid zip.

Hardcoded full paths including /home/nik which probably won't work in general.

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eijk

10 years ago

Ok, was missing python xdg bindings. The KDE message was not helpful at all. Trying to run main.py revealed the problem.

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netsurf3

10 years ago

This is an essential applet to the KDE desktop enviroment. It exposes the powerful functionality that is otherwise hidden unless you know where to look.

I have one request if I may and that is to be able to kill streams. Pulse audio frequently gets stuck with wine streams and killing them has them re-open and continue running normally ;)

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Contrast

10 years ago

...but the link for the KDE 4.5 version is broken. Does the 4.4 version not work at all with 4.5, or will it just be missing some functionality?

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nik3nt3

10 years ago

uuups -- fixed

exactly the same functionality: Because of a bug in the python-scriptengine: Kde 4.4 needs:

ServiceTypes=Plasma/PopupApplet

instead of (kde 4.5):

ServiceTypes=Plasma/Applet,Plasma/PopupApplet

in metadata.desktop. Without this line the plasmoid is not correctly initialized and therefore not working at all...

/nik

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dshrek

10 years ago

Hi,
nice and useful plasmoid, thank you.

Unfortunately it is still buggy for me. I use stream2ip (https://launchpad.net/stream2ip) to stream music directly to an ip. After resetting the connection with that application the plasmoid still shows the old obsolete output device, resulting in the appearence of several identical output devices.

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nik3nt3

10 years ago

Should be fixed now. I didn't test it with stream2ip because no output device was correctly removed.

by the way: Have you found a binary (.deb) for stream2ip or have you compiled it yourself?

thanks for the report

/nik

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dshrek

10 years ago

Unfortunately nothing changed for me with the new version. It is still showing more devices than it should.

stream2ip doesn't have to be compiled, it is written in Python. Just download the tar.gz file from launchpad and run "python stream2ip.py".

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nik3nt3

10 years ago

Have you logged-out/rebooted since you updated the plugin?

Veromix starts a background-process that is not restarted when you upgrade the plasmoid.

/nik

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dshrek

10 years ago

Yes, I first uninstalled the old version and after installing the new one and noticing that it doesn't work I also tried a logout/reboot, with no help.

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nik3nt3

10 years ago

Hi

have you tested the new version and is the discribed bug still present?

/nik

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atrox

10 years ago

I use KDE 4.5.0 on openSUSE 11.3. When I try to install the plasmoid, I get the error saying it failed. After that Veromix appears under widgets, but without an icon. It's also under system tray items, but without an icon too and it does not do anything if I activate and enable it.

Any suggestions?

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nik3nt3

10 years ago

@saying it failed.

Maybe you get more details on what failed when you install it via terminal:

plasmapkg -r veromix-plasmoid
plasmapkg -i [path to downloaded file]

@After that Veromix appears under widgets, but without an icon.

When you first (successfully) launch the plasmoid the icon is installed. So its normal that the icon is not found (currently I don't know how to do that better).
I don't think the missing icon is a problem.

@Any suggestions?
After reinstallation you can check if the plasmoid is available:

plasmoidviewer --list | grep veromix

run it:

plasmoidviewer veromix-plasmoid


hope it helps

/nik

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atrox

10 years ago

Thanks for the tips. Intresting, that installing it with from command line turned out to be success. Anyway.. here's the output:

$ plasmapkg -r veromix.plasmoid
Plugin veromix-plasmoid is not installed.
$ plasmapkg -i veromix.plasmoid
Successfully installed /home/silver/Downloads/veromix.plasmoid
$ plasmoidviewer --list | grep veromix
veromix-plasmoid - Veromix is a mixer for the Pulseaudio sound server.
$ plasmoidviewer veromix-plasmoid
Traceback (most recent call last):
File "/usr/share/kde4/apps/plasma_scriptengine_python/pyappletscript.py", line 59, in init
self.module = __import__(self.pluginName+'.'+relpath)
File "/usr/share/kde4/apps/plasma_scriptengine_python/plasma_importer.py", line 107, in load_module
exec code in mod.__dict__
File "/home/silver/.kde4/share/apps/plasma/plasmoids/veromix-plasmoid/contents/code/main.py", line 48, in <module>
from xdg import BaseDirectory
ImportError: No module named xdg
QFont::setPointSize: Point size <= 0 (0), must be greater than 0

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