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2e7f21de69
since Katie requires compiler with C++11 support the shared pointer checks could be ommited Signed-off-by: Ivailo Monev <xakepa10@laimg.moc>
110 lines
4 KiB
C++
110 lines
4 KiB
C++
//-*-C++-*-
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/*
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* KMix -- KDE's full featured mini mixer
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*
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* Copyright Christian Esken <esken@kde.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef MixDeviceComposite_h
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#define MixDeviceComposite_h
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//KMix
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class Mixer;
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class MixSet;
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#include "core/mixdevice.h"
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#include "core/volume.h"
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// KDE
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#include <kconfig.h>
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#include <kconfiggroup.h>
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// Qt
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#include <QList>
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#include <QObject>
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#include <QString>
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// !!! This SHOULD be subclassed (MixDeviceVolume, MixDeviceEnum).
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// The isEnum() works out OK as a workaround, but it is insane
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// in the long run.
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// Additionally there might be Implementations for virtual MixDevice's, e.g.
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// MixDeviceRecselector, MixDeviceCrossfader.
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// I am not sure if a MixDeviceBalancing would work out.
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/**
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* This is the abstraction of a single control of a sound card, e.g. the PCM control. A control
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* can contain the 5 following subcontrols: playback-volume, capture-volume, playback-switch,
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* capture-switch and enumeration.
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The class is called MixDevice for historical reasons. Today it is just the Synonym for "Control".
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Design hint: In the past I (esken) considered merging the MixDevice and Volume classes.
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I finally decided against it, as it seems better to have the MixDevice being the container
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for the embedded subcontrol(s). These could be either Volume, Enum or some virtual MixDevice.
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*/
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class MixDeviceComposite : public MixDevice
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{
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Q_OBJECT
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public:
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/**
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* Constructor:
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* @par mixer The mixer this control belongs to
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* @par id Defines the ID, e.g. used in looking up the keys in kmixrc. Also it is used heavily inside KMix as unique key.
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* It is advised to set a nice name, like 'PCM:2', which would mean
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* "2nd PCM device of the sound card". The ID's may NOT contain whitespace.
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* The Creator (normally the backend) MUST pass distinct ID's for each MixDevices of one card.
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*
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* Virtual Controls (controls not created by a backend) are prefixed with "KMix::", e.g.
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* "KMix::RecSelector:0"
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* @par name is the readable name. This one is presented to the user in the GUI
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* @par type The control type. It is only used to find an appropriate icon
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*/
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MixDeviceComposite( Mixer* mixer, const QString& id, QList<std::shared_ptr<MixDevice> >& mds, const QString& name, ChannelType type );
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// MixDevice( Mixer* mixer, const QString& id, const QString& name, const QString& iconName = "", bool doNotRestore = false, MixSet* moveDestinationMixSet = 0 );
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~MixDeviceComposite();
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// Methods for handling the switches. This methods are useful, because the Sswitch in the Volume object
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// is an abstract concept. It places no interpration on the meaning of the switch (e.g. does "switch set" mean
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// "mute on", or does it mean "playback on".
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virtual bool isMuted();
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virtual void setMuted(bool value);
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virtual bool isRecSource();
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virtual void setRecSource(bool value);
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virtual bool isEnum();
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// Refresh the composite from its components
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void update();
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virtual Volume& playbackVolume();
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//virtual Volume& captureVolume();
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private:
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long calculateVolume(Volume::VolumeType vt);
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Mixer *_mixer;
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QList<std::shared_ptr<MixDevice> > _mds;
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static const long VolMax;
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Volume* _compositePlaybackVolume;
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// Volume* _compositeCaptureVolume;
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};
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#endif
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