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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;">"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."
this is because the data for the control (or at least, the readableName) is set in updateMixerData. then, when it is later requested the DataEngine sees it exists already and so does not call sourceRequestEvent. since there is no poll (time) request, updateSourceEvent isn't called either. when there is a poll time set, then updateSourceEvent is (eventually) called and the data is updated. the fix is to not set any data on the control until such time as a visualization requests it. you can set up the behind-the-scenes objects, but leave the setData calls for the control out of updateMixerData.
there are some memory leaks that need closing as well.
i also recommend, for stylistic reasons, using "natural language" labels rather than camelCaseAsIfItsAFunctionName labels. e.g.: "Controls", "Readable Name", etc.</pre>
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<a href="http://svn.reviewboard.kde.org/r/6587/diff/1/?file=45445#file45445line48" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/KDE/kdemultimedia/kmix/plasma/engine/mixerengine.cpp</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">bool MixerEngine::sourceRequestEvent( const QString &name )</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span> <span class="n">name</span> <span class="o">==</span> <span class="s">"KMix"</span> <span class="p">)</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">return</span> <span class="n">getKMixData</span><span class="p">(</span> <span class="n">name</span> <span class="p">);</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">this is wrong. if the name is "KMix" then the source created _must_ be "KMix", but getKMixData creates/sets "running" and "mixers"
my suggestion: change this to if (name == "mixers")</pre>
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<a href="http://svn.reviewboard.kde.org/r/6587/diff/1/?file=45445#file45445line80" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/KDE/kdemultimedia/kmix/plasma/engine/mixerengine.cpp</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">bool MixerEngine::sourceRequestEvent( const QString &name )</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">setData</span><span class="p">(</span> <span class="n">source</span><span class="p">,</span> <span class="s">"running"</span><span class="p">,</span> <span class="kc">true</span> <span class="p">);</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">does this matter? if mixers is empty, shouldn't that be enough?</pre>
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<a href="http://svn.reviewboard.kde.org/r/6587/diff/1/?file=45445#file45445line94" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/KDE/kdemultimedia/kmix/plasma/engine/mixerengine.cpp</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">bool MixerEngine::sourceRequestEvent( const QString &name )</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">curmi</span> <span class="o">=</span> <span class="k">new</span> <span class="n">MixerInfo</span><span class="p">;</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">where is this deleted?</pre>
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<a href="http://svn.reviewboard.kde.org/r/6587/diff/1/?file=45445#file45445line118" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/KDE/kdemultimedia/kmix/plasma/engine/mixerengine.cpp</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">bool MixerEngine::sourceRequestEvent( const QString &name )</pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">118</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">Q_FOREACH</span><span class="p">(</span> <span class="n">MixerInfo</span><span class="o">*</span> <span class="n">mi</span><span class="p">,</span> <span class="n">m_mixers</span> <span class="p">)</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">119</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span> <span class="n">mi</span><span class="o">-></span><span class="n">id</span> <span class="o">==</span> <span class="n">source</span> <span class="p">)</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">120</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">{</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">121</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">curmi</span> <span class="o">=</span> <span class="n">mi</span><span class="p">;</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">break</span><span class="p">;</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">123</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">looks like a good candidate for a QHash rather than a QList</pre>
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<a href="http://svn.reviewboard.kde.org/r/6587/diff/1/?file=45445#file45445line147" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/KDE/kdemultimedia/kmix/plasma/engine/mixerengine.cpp</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">bool MixerEngine::sourceRequestEvent( const QString &name )</pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">147</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">ControlInfo</span> <span class="o">*</span><span class="n">curci</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">148</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">Q_FOREACH</span><span class="p">(</span> <span class="n">ControlInfo</span><span class="o">*</span> <span class="n">ci</span><span class="p">,</span> <span class="n">m_controls</span> <span class="p">)</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">149</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span> <span class="n">ci</span><span class="o">-></span><span class="n">id</span> <span class="o">==</span> <span class="n">controlId</span> <span class="o">&&</span> <span class="n">ci</span><span class="o">-></span><span class="n">mixerId</span> <span class="o">==</span> <span class="n">mixerId</span> <span class="p">)</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">{</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">151</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">curci</span> <span class="o">=</span> <span class="n">ci</span><span class="p">;</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">break</span><span class="p">;</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">153</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">perhaps another opportunity for a hash.</pre>
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<a href="http://svn.reviewboard.kde.org/r/6587/diff/1/?file=45445#file45445line178" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/KDE/kdemultimedia/kmix/plasma/engine/mixerengine.cpp</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">bool MixerEngine::sourceRequestEvent( const QString &name )</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">Q_FOREACH</span><span class="p">(</span> <span class="n">ControlInfo</span><span class="o">*</span> <span class="n">ci</span><span class="p">,</span> <span class="n">m_controls</span> <span class="p">)</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">if</span> <span class="p">(</span> <span class="n">ci</span><span class="o">-></span><span class="n">dbusPath</span> <span class="o">==</span> <span class="n">path</span> <span class="p">)</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">{</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">curci</span> <span class="o">=</span> <span class="n">ci</span><span class="p">;</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="k">break</span><span class="p">;</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="p">}</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">another good candidate for a hash</pre>
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<a href="http://svn.reviewboard.kde.org/r/6587/diff/1/?file=45445#file45445line186" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/KDE/kdemultimedia/kmix/plasma/engine/mixerengine.cpp</a>
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(Diff revision 1)
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">bool MixerEngine::sourceRequestEvent( const QString &name )</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">curci</span> <span class="o">=</span> <span class="k">new</span> <span class="n">ControlInfo</span><span class="p">;</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">where is this deleted?</pre>
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<a href="http://svn.reviewboard.kde.org/r/6587/diff/1/?file=45445#file45445line196" style="color: black; font-weight: bold; text-decoration: underline;">/trunk/KDE/kdemultimedia/kmix/plasma/engine/mixerengine.cpp</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">bool MixerEngine::sourceRequestEvent( const QString &name )</pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">setData</span><span class="p">(</span> <span class="n">curci</span><span class="o">-></span><span class="n">mixerId</span> <span class="o">+</span> <span class="s">"/"</span> <span class="o">+</span> <span class="n">curci</span><span class="o">-></span><span class="n">id</span><span class="p">,</span> <span class="s">"readableName"</span><span class="p">,</span> <span class="n">curci</span><span class="o">-></span><span class="n">iface</span><span class="o">-></span><span class="n">readableName</span><span class="p">()</span> <span class="p">);</span></pre></td>
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<pre style="margin-left: 2em; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">no data for the control should be set here. this belongs in updateControlData</pre>
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<p>- Aaron</p>
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<p>On March 5th, 2011, 7:56 a.m., Igor Poboiko wrote:</p>
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<div>Review request for Plasma and Diego Casella.</div>
<div>By Igor Poboiko.</div>
<p style="color: grey;"><i>Updated March 5, 2011, 7:56 a.m.</i></p>
<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
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<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.
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
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<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>
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<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>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>/trunk/KDE/kdemultimedia/kmix/CMakeLists.txt <span style="color: grey">(1223790)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/apps/kmix.cpp <span style="color: grey">(1223790)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/core/mixdevice.h <span style="color: grey">(1223790)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/core/mixdevice.cpp <span style="color: grey">(1223790)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/core/mixer.h <span style="color: grey">(1223790)</span></li>
<li>/trunk/KDE/kdemultimedia/kmix/core/mixer.cpp <span style="color: grey">(1223790)</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/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">(1223790)</span></li>
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<p><a href="http://svn.reviewboard.kde.org/r/6587/diff/" style="margin-left: 3em;">View Diff</a></p>
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