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/*
* KMix -- KDE's full featured mini mixer
*
*
* Copyright (C) 1996-2004 Christian Esken <esken@kde.org>
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <kdebug.h>
#include <klocale.h>
#include "mixdevice.h"
/**
* Constructs a MixDevice. A MixDevice represents one channel or control of
* the mixer hardware. A MixDevice has a type (e.g. PCM), a descriptive name
* (for example "Master" or "Headphone" or "IEC 958 Output"),
* can have a volume level (2 when stereo), can be recordable and muted.
* The category tells which kind of control the MixDevice is.
*
* Hints: Meaning of "category" has changed. In future the MixDevice might contain two
* Volume objects, one for Output (Playback volume) and one for Input (Record volume).
*/
MixDevice::MixDevice( int num, Volume &vol, bool recordable, bool mute,
QString name, ChannelType type, DeviceCategory category ) :
_volume( vol ), _type( type ), _num( num ), _recordable( recordable ),
_mute( mute ), _category( category )
{
// Hint: "_volume" gets COPIED from "vol" due to the fact that the copy-constructor actually copies the volume levels.
_switch = false;
_recSource = false;
if( name.isEmpty() )
_name = i18n("unknown");
else
_name = name;
_pk.setNum(num);
if( category == MixDevice::SWITCH )
_switch = true;
}
MixDevice::MixDevice(const MixDevice &md) : QObject()
{
_name = md._name;
_volume = md._volume;
_type = md._type;
_num = md._num;
_pk = md._pk;
_recordable = md._recordable;
_recSource = md._recSource;
_category = md._category;
_switch = md._switch;
_mute = md._mute;
_enumValues = md._enumValues;
}
MixDevice::~MixDevice() {
// Clear MixDevices enum Strings (switch on auto-delete, so the QString's inside will be cleared)
_enumValues.setAutoDelete(true);
_enumValues.clear();
}
Volume& MixDevice::getVolume()
{
return _volume;
}
long MixDevice::getVolume(Volume::ChannelID chid) {
return _volume.getVolume(chid);
}
long MixDevice::maxVolume() {
return _volume.maxVolume();
}
long MixDevice::minVolume() {
return _volume.minVolume();
}
void MixDevice::setEnumId(int enumId)
{
if ( enumId < _enumValues.count() ) {
_enumCurrentId = enumId;
}
}
unsigned int MixDevice::enumId()
{
return _enumCurrentId;
}
QPtrList<QString>& MixDevice::enumValues() {
return _enumValues;
}
// @todo Used only at mixdevicewidget.cpp:625 . Replace that ASAP !!!
void MixDevice::setVolume( int channel, int volume )
{
_volume.setVolume( (Volume::ChannelID)channel /* ARGH! */, volume );
}
QString& MixDevice::getPK() {
return _pk;
}
void MixDevice::setPK(QString &PK) {
_pk = PK;
// The key is used in the config file. It should not contain spaces
_pk.replace(' ', '_');
}
/**
* This mehtod is currently only called on "kmixctrl --restore"
*
* Normally we have a working _volume object already, which is very important,
* because we need to read the minimum and maximum volume levels.
* (Another solutien would be to "equip" volFromConfig with maxInt and minInt values).
*/
void MixDevice::read( KConfig *config, const QString& grp )
{
QString devgrp;
devgrp.sprintf( "%s.Dev%i", grp.ascii(), _num );
config->setGroup( devgrp );
//kdDebug(67100) << "MixDevice::read() of group devgrp=" << devgrp << endl;
char *nameLeftVolume, *nameRightVolume;
if ( _volume.isCapture() ) {
nameLeftVolume = "volumeLCapture";
nameRightVolume = "volumeRCapture";
} else {
nameLeftVolume = "volumeL";
nameRightVolume = "volumeR";
}
Volume::ChannelMask chMask = Volume::MNONE;
int vl = config->readNumEntry(nameLeftVolume, -1);
if (vl!=-1) {
chMask = (Volume::ChannelMask)(chMask | Volume::MLEFT);
}
int vr = config->readNumEntry(nameRightVolume, -1);
if (vr!=-1) {
chMask = (Volume::ChannelMask)(chMask | Volume::MRIGHT);
}
/*
* Now start construction a temporary Volume object.
* We take the maxvol and minvol values from _volume, which is already constructed.
* Otherwise we would have to wildly guess those values
*/
Volume *volFromConfig = new Volume(chMask, _volume._maxVolume, _volume._minVolume);
if (vl!=-1) {
volFromConfig->setVolume(Volume::LEFT , vl);
}
if (vr!=-1) {
volFromConfig->setVolume(Volume::RIGHT, vr);
}
// commit the read config
_volume.setVolume(*volFromConfig);
delete volFromConfig;
int mute = config->readNumEntry("is_muted", -1);
if ( mute!=-1 ) {
_volume.setMuted( mute!=0 );
}
int recsrc = config->readNumEntry("is_recsrc", -1);
if ( recsrc!=-1 ) {
setRecSource( recsrc!=0 );
}
int enumId = config->readNumEntry("enum_id", -1);
if ( enumId != -1 ) {
setEnumId( enumId );
}
}
/**
* called on "kmixctrl --save" and from the GUI's (currently only on exit)
*/
void MixDevice::write( KConfig *config, const QString& grp )
{
QString devgrp;
devgrp.sprintf( "%s.Dev%i", grp.ascii(), _num );
config->setGroup(devgrp);
// kdDebug(67100) << "MixDevice::write() of group devgrp=" << devgrp << endl;
char *nameLeftVolume, *nameRightVolume;
if ( _volume.isCapture() ) {
nameLeftVolume = "volumeLCapture";
nameRightVolume = "volumeRCapture";
} else {
nameLeftVolume = "volumeL";
nameRightVolume = "volumeR";
}
config->writeEntry(nameLeftVolume, getVolume( Volume::LEFT ) );
config->writeEntry(nameRightVolume, getVolume( Volume::RIGHT ) );
config->writeEntry("is_muted", (int)_volume.isMuted() );
config->writeEntry("is_recsrc", (int)isRecSource() );
config->writeEntry("name", _name);
if ( isEnum() ) {
config->writeEntry("enum_id", enumId() );
}
}
#include "mixdevice.moc"
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