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List: kde-panel-devel
Subject: Re: Review Request: Rework KMix DBus API and add KMix plasma
From: "Mark Gaiser" <markg85 () gmail ! com>
Date: 2011-08-20 1:22:11
Message-ID: 20110820012211.24112.67965 () vidsolbach ! de
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http://svn.reviewboard.kde.org/r/6587/#review10358
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Hi,
I was just trying to do the same thing with kmix and wasted ~6 hours on that (or even \
more) just to find that is was already here but never committed. So how are we on \
this? Can this be committed?
Regards,
Mark
- Mark
On April 7, 2011, 8:40 a.m., Igor Poboiko wrote:
>
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> http://svn.reviewboard.kde.org/r/6587/
> -----------------------------------------------------------
>
> (Updated April 7, 2011, 8:40 a.m.)
>
>
> Review request for Plasma and Diego Casella.
>
>
> Summary
> -------
>
> This patch reworks KMix DBus API and adds a plasma dataengine+service as a frontend \
> to information provided by DBus. New DBus structure is:
> - /Mixers
> used to get some global information, such as available mixers list and global \
> master mixer
> - /Mixers/MIXER_ID
> used to get information about mixer with id=MIXER_ID. It provides such information \
> as list of available controls, name of this mixer, id, etc
> - /Mixers/MIXER_ID/CONTROL_ID
> used to get and set information about control. Such information as volume level, \
> mute, name of control, etc. It also adds a DBus signals which are emitted when new \
> mixer/control appears, or volume level changes. It also splits all dbus-related \
> code to separate class, DBus{KMix,Mixer,Control}Wrapper.
> The Plasma Dataengine:
> By default, the only available source is "KMix". It provides information global \
> information about KMix: is KMix running, and list of available mixers. (its IDs) \
> Source for every mixer is called by it's ID (for example, "ALSA::HDA_Intel:1"). \
> This source provides such information about current Mixer as: it's readable name, \
> is it opened, its balance and list of available controls. It also adds basic \
> sources for every control, which provides only information about its readable name \
> Sources for controls are called by 'MIXER_ID/CONTROL_ID' (for example, \
> "ALSA::HDA_Intel:1/Master:0"). If you request this source, it will provide such \
> information as its readable name, is it muted and its volume level (which are \
> updates automatically, using DBus signals). There is a service available for \
> controls sources. It provides such methods as setVolume() and setMute().
> It doesn't close bug 171287, but it becomes one step closer to its solving :)
>
> And, I'm not very familiar with CMake, but it would be great idea to make plasma \
> part optional.
>
> This addresses bug 171287.
> https://bugs.kde.org/show_bug.cgi?id=171287
>
>
> Diffs
> -----
>
> /trunk/KDE/kdemultimedia/kmix/core/mixdevice.h 1225808
> /trunk/KDE/kdemultimedia/kmix/apps/kmix.cpp 1225808
> /trunk/KDE/kdemultimedia/kmix/CMakeLists.txt 1225808
> /trunk/KDE/kdemultimedia/kmix/core/mixdevice.cpp 1225808
> /trunk/KDE/kdemultimedia/kmix/core/mixer.h 1225808
> /trunk/KDE/kdemultimedia/kmix/core/mixer.cpp 1225808
> /trunk/KDE/kdemultimedia/kmix/dbus/dbuscontrolwrapper.h PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/dbus/dbuscontrolwrapper.cpp PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/dbus/dbusmixerwrapper.h PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/dbus/dbusmixerwrapper.cpp PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/dbus/dbusmixsetwrapper.h PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/dbus/dbusmixsetwrapper.cpp PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/dbus/org.kde.kmix.control.xml PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/dbus/org.kde.kmix.mixer.xml PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/dbus/org.kde.kmix.mixset.xml PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/gui/kmixdockwidget.cpp 1225808
> /trunk/KDE/kdemultimedia/kmix/plasma/CMakeLists.txt PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/plasma/engine/CMakeLists.txt PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/plasma/engine/mixer.operations PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/plasma/engine/mixerengine.h PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/plasma/engine/mixerengine.cpp PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/plasma/engine/mixerservice.h PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/plasma/engine/mixerservice.cpp PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/plasma/engine/plasma-engine-mixer.desktop \
> PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/tests/CMakeLists.txt 1225808
>
> Diff: http://svn.reviewboard.kde.org/r/6587/diff
>
>
> Testing
> -------
>
> KMix from KDE SC 4.6.0 compiles ok with this patch, and patch applies to current \
> trunk. Tested on system with one card and with ALSA backend, so I don't know is \
> plasma dataengine works correctly with plugging/unplugging mixers (but it should). \
> All DBus methods/properties works fine, signals are emitted, volume can be set \
> using DBus methods.
> Plasma dataengine was tested using plasmaengineexplorer.
> All works fine except the one thing. When I request an source for Mixer, it also \
> adds soucres for controls. And then when I request source for already available \
> Control, it doesn't react anyhow. But when I set "Update every % ms", and click \
> "Reqeust", it works fine. If I request a source for control BEFORE requesting the \
> source for mixer, all works fine too (without setting "Update every % ms"). I don't \
> know is it a plasmaengineexplorer bug, or my.
>
> Thanks,
>
> Igor
>
>
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This is an automatically generated e-mail. To reply, visit:
<a href="http://svn.reviewboard.kde.org/r/6587/">http://svn.reviewboard.kde.org/r/6587/</a>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: \
-pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Hi,
I was just trying to do the same thing with kmix and wasted ~6 hours on that (or even \
more) just to find that is was already here but never committed. So how are we on \
this? Can this be committed?
Regards,
Mark</pre>
<br />
<p>- Mark</p>
<br />
<p>On April 7th, 2011, 8:40 a.m., Igor Poboiko wrote:</p>
<table bgcolor="#fefadf" width="100%" cellspacing="0" cellpadding="8" \
style="background-image: \
url('http://svn.reviewboard.kde.org/media/rb/images/review_request_box_top_bg.png'); \
background-position: left top; background-repeat: repeat-x; border: 1px black \
solid;"> <tr>
<td>
<div>Review request for Plasma and Diego Casella.</div>
<div>By Igor Poboiko.</div>
<p style="color: grey;"><i>Updated April 7, 2011, 8:40 a.m.</i></p>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
<table width="100%" bgcolor="#ffffff" cellspacing="0" cellpadding="10" style="border: \
1px solid #b8b5a0"> <tr>
<td>
<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: \
-moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: \
break-word;">This patch reworks KMix DBus API and adds a plasma dataengine+service as \
a frontend to information provided by DBus. New DBus structure is:
- /Mixers
used to get some global information, such as available mixers list and global master \
mixer
- /Mixers/MIXER_ID
used to get information about mixer with id=MIXER_ID. It provides such information as \
list of available controls, name of this mixer, id, etc
- /Mixers/MIXER_ID/CONTROL_ID
used to get and set information about control. Such information as volume level, \
mute, name of control, etc. It also adds a DBus signals which are emitted when new \
mixer/control appears, or volume level changes. It also splits all dbus-related code \
to separate class, DBus{KMix,Mixer,Control}Wrapper.
The Plasma Dataengine:
By default, the only available source is "KMix". It provides information \
global information about KMix: is KMix running, and list of available mixers. (its \
IDs) Source for every mixer is called by it's ID (for example, \
"ALSA::HDA_Intel:1"). This source provides such information about current \
Mixer as: it's readable name, is it opened, its balance and list of available \
controls. It also adds basic sources for every control, which provides only \
information about its readable name Sources for controls are called by \
'MIXER_ID/CONTROL_ID' (for example, "ALSA::HDA_Intel:1/Master:0"). \
If you request this source, it will provide such information as its readable name, is \
it muted and its volume level (which are updates automatically, using DBus signals). \
There is a service available for controls sources. It provides such methods as \
setVolume() and setMute().
It doesn't close bug 171287, but it becomes one step closer to its solving :)
And, I'm not very familiar with CMake, but it would be great idea to make plasma \
part optional. </pre>
</td>
</tr>
</table>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
<table width="100%" bgcolor="#ffffff" cellspacing="0" cellpadding="10" style="border: \
1px solid #b8b5a0"> <tr>
<td>
<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: \
-moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: \
break-word;">KMix from KDE SC 4.6.0 compiles ok with this patch, and patch applies to \
current trunk. Tested on system with one card and with ALSA backend, so I don't \
know is plasma dataengine works correctly with plugging/unplugging mixers (but it \
should). All DBus methods/properties works fine, signals are emitted, volume can be \
set using DBus methods.
Plasma dataengine was tested using plasmaengineexplorer.
All works fine except the one thing. When I request an source for Mixer, it also adds \
soucres for controls. And then when I request source for already available Control, \
it doesn't react anyhow. But when I set "Update every % ms", and click \
"Reqeust", it works fine. If I request a source for control BEFORE \
requesting the source for mixer, all works fine too (without setting "Update \
every % ms"). I don't know is it a plasmaengineexplorer bug, or my.</pre> \
</td> </tr>
</table>
<div style="margin-top: 1.5em;">
<b style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Bugs: </b>
<a href="https://bugs.kde.org/show_bug.cgi?id=171287">171287</a>
</div>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
<ul style="margin-left: 3em; padding-left: 0;">
<li>/trunk/KDE/kdemultimedia/kmix/core/mixdevice.h <span style="color: \
grey">(1225808)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/apps/kmix.cpp <span style="color: \
grey">(1225808)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/CMakeLists.txt <span style="color: \
grey">(1225808)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/core/mixdevice.cpp <span style="color: \
grey">(1225808)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/core/mixer.h <span style="color: \
grey">(1225808)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/core/mixer.cpp <span style="color: \
grey">(1225808)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/dbus/dbuscontrolwrapper.h <span style="color: \
grey">(PRE-CREATION)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/dbus/dbuscontrolwrapper.cpp <span style="color: \
grey">(PRE-CREATION)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/dbus/dbusmixerwrapper.h <span style="color: \
grey">(PRE-CREATION)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/dbus/dbusmixerwrapper.cpp <span style="color: \
grey">(PRE-CREATION)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/dbus/dbusmixsetwrapper.h <span style="color: \
grey">(PRE-CREATION)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/dbus/dbusmixsetwrapper.cpp <span style="color: \
grey">(PRE-CREATION)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/dbus/org.kde.kmix.control.xml <span style="color: \
grey">(PRE-CREATION)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/dbus/org.kde.kmix.mixer.xml <span style="color: \
grey">(PRE-CREATION)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/dbus/org.kde.kmix.mixset.xml <span style="color: \
grey">(PRE-CREATION)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/gui/kmixdockwidget.cpp <span style="color: \
grey">(1225808)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/plasma/CMakeLists.txt <span style="color: \
grey">(PRE-CREATION)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/plasma/engine/CMakeLists.txt <span style="color: \
grey">(PRE-CREATION)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/plasma/engine/mixer.operations <span style="color: \
grey">(PRE-CREATION)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/plasma/engine/mixerengine.h <span style="color: \
grey">(PRE-CREATION)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/plasma/engine/mixerengine.cpp <span style="color: \
grey">(PRE-CREATION)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/plasma/engine/mixerservice.h <span style="color: \
grey">(PRE-CREATION)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/plasma/engine/mixerservice.cpp <span style="color: \
grey">(PRE-CREATION)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/plasma/engine/plasma-engine-mixer.desktop <span \
style="color: grey">(PRE-CREATION)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/tests/CMakeLists.txt <span style="color: \
grey">(1225808)</span></li>
</ul>
<p><a href="http://svn.reviewboard.kde.org/r/6587/diff/" style="margin-left: \
3em;">View Diff</a></p>
</td>
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