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//-*-C++-*-
/*
* KMix -- KDE's full featured mini mixer
*
*
* Copyright (C) 2000 Stefan Schimanski <1Stein@gmx.de>
* 1996-2000 Christian Esken <esken@kde.org>
* Sven Fischer <herpes@kawo2.rwth-aachen.de>
* 2002 - Helio Chissini de Castro <helio@conectiva.com.br>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef MIXER_H
#define MIXER_H
#include <tqstring.h>
#include <tqtimer.h>
#include <tqobject.h>
#include <tqintdict.h>
#include <tqptrlist.h>
#include "volume.h"
class Mixer_Backend;
#include "mixerIface.h"
#include "mixset.h"
#include "mixdevice.h"
class Volume;
class KConfig;
class Mixer : public TQObject, virtual public MixerIface
{
Q_OBJECT
TQ_OBJECT
public:
enum MixerError { ERR_PERM=1, ERR_WRITE, ERR_READ, ERR_NODEV, ERR_NOTSUPP,
ERR_OPEN, ERR_LASTERR, ERR_NOMEM, ERR_INCOMPATIBLESET, ERR_MIXEROPEN };
Mixer( int driver, int device );
virtual ~Mixer();
static int numDrivers();
MixDevice* find(TQString& devPK);
void volumeSave( KConfig *config );
void volumeLoad( KConfig *config );
/// Tells the number of the mixing devices
unsigned int size() const;
bool isValid();
bool isOpen() const;
/// Returns a pointer to the mix device with the given number
MixDevice* operator[](int val_i_num);
/// Returns a pointer to the mix device whose type matches the value
/// given by the parameter and the array MixerDevNames given in
/// mixer_oss.cpp (0 is Volume, 4 is PCM, etc.)
MixDevice *mixDeviceByType( int deviceidx );
/// Open/grab the mixer for further intraction
virtual int open();
/// Close/release the mixer
virtual int close();
/// Returns a detailed state message after errors. Only for diagnostic purposes, no i18n.
TQString& stateMessage() const;
virtual TQString mixerName();
virtual int devnum();
// Returns the name of the driver, e.g. "OSS" or "ALSA0.9"
static TQString driverName(int num);
/// Returns an unique ID of the Mixer. It currently looks like "<soundcard_descr>:<hw_number>@<driver>"
TQString& id();
/// The owner/creator of the Mixer can set an unique name here. This key should never displayed to
/// the user, but can be used for referencing configuration items and such.
void setID(TQString& ref_id);
/// The KMix global master card. Please note that KMix and KMixPanelApplet can have a
/// different MasterCard's at the moment (but actually KMixPanelApplet does not read/save this yet).
/// At the moment it is only used for selecting the Mixer to use in KMix's DockIcon.
static void setMasterCard(TQString& ref_id);
static Mixer* masterCard();
/// The global Master Device inside the current MasterCard (as returned by masterCard()).
static void setMasterCardDevice(TQString& ref_id);
static MixDevice* masterCardDevice();
/// get the actual MixSet
MixSet getMixSet();
/// Returns the master volume device (doesn't work out :-(. See masterCard() and masterCardDevice() instead)
MixDevice* masterDevice();
/// Sets the master volume device (doesn't work out :-(. See setMasterCard() and setMasterCardDevice() instead)
void setMasterDevice(TQString&);
/// DCOP oriented methods (look at mixerIface.h for the descriptions)
virtual void setVolume( int deviceidx, int percentage );
virtual void setAbsoluteVolume( int deviceidx, long absoluteVolume );
virtual void setMasterVolume( int percentage );
virtual void increaseVolume( int deviceidx );
virtual void decreaseVolume( int deviceidx );
virtual long absoluteVolume( int deviceidx );
virtual long absoluteVolumeMin( int deviceidx );
virtual long absoluteVolumeMax( int deviceidx );
virtual int volume( int deviceidx );
virtual int masterVolume();
virtual int masterDeviceIndex();
virtual void setMute( int deviceidx, bool on );
virtual void setMasterMute( bool on );
virtual bool mute( int deviceidx );
virtual bool masterMute();
virtual void toggleMute( int deviceidx );
virtual void toggleMasterMute();
virtual bool isRecordSource( int deviceidx );
virtual bool isAvailableDevice( int deviceidx );
void commitVolumeChange( MixDevice* md );
public slots:
virtual void readSetFromHW();
void readSetFromHWforceUpdate() const;
virtual void setRecordSource( int deviceidx, bool on );
virtual void setBalance(int balance); // sets the m_balance (see there)
signals:
void newBalance( Volume& );
void newRecsrc( void );
void newVolumeLevels(void);
protected:
TQTimer* _pollingTimer;
int m_balance; // from -100 (just left) to 100 (just right)
TQPtrList<MixSet> m_profiles;
static TQPtrList<Mixer> s_mixers;
public:
int setupMixer( MixSet set );
static TQPtrList<Mixer>& mixers();
private:
Mixer_Backend *_mixerBackend;
mutable bool _readSetFromHWforceUpdate;
static int _dcopID;
TQString _id;
TQString _masterDevicePK;
static TQString _masterCard;
static TQString _masterCardDevice;
};
#endif
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