TARGET = pro
TEMPLATE = app
SOURCES += main.cpp \
    mainwindow.cpp \
    alsa.cpp
HEADERS += mainwindow.h \
    alsa.h
FORMS += 
LIBS += -lasound

#ifndef __ALSA_H__
#define __ALSA_H__

#include <qobject.h>
#include <qstring.h>
#include <qmap.h>
#include <QDebug>

#include <alsa/asoundlib.h>

#define REPORT qDebug() << sig << ' '

class alsaMixer
{
public:
    alsaMixer();
    virtual ~alsaMixer(void);

    virtual int probeDevices(void);
    virtual int setVolume(int LetftChannel, int RightChannel);
    virtual int volumeLeft(void);
    virtual int volumeRight(void);

    virtual int setMuted(bool mute);
    virtual bool muted(void);

private:
    int useCardMixerElement(const QString &HCTL_id, QString &mixer_element);
    snd_mixer_t *attachMixer(const QString &HCTL_id);
    int detachMixer(snd_mixer_t *mixer, const char *HCTL_id);
    int loadMixerElements(snd_mixer_t *mixer);
    QMap<int, QString> probed_cards;
    QMap<snd_mixer_elem_t *, QString> mixer_elements; 

    QString active_HCTL;
    QString active_mixer_element;
    snd_mixer_t *active_mixer;
    snd_mixer_elem_t *active_element;
    int volume_left, volume_right;
    bool muted_flag;
};

#endif

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QMainWindow>
#include <QtCore>
#include <QtGui>
#include <QDebug>
#include "alsa.h"

class alsaMixer;

class MainWindow : public QMainWindow {
    Q_OBJECT
public:
    MainWindow(QWidget *parent = 0);
    QSlider *volumeSlider;
    alsaMixer *amixer;

private slots:
    void setVolume(int volume);
};

#endif // MAINWINDOW_H