UbuntuController::VolumeControl Class Reference

This class uses the ALSA library to send commands to the sound card. More...

#include <VolumeControl.h>

Inheritance diagram for UbuntuController::VolumeControl:

Collaboration diagram for UbuntuController::VolumeControl:

Public Member Functions
	VolumeControl (void)
void	increaseVolume ()
void	reduceVolume ()
void	muteAndUnmute ()
void	unmute ()

Private Attributes
long	min
	Declaring three variables of type long. More...
long	max
snd_mixer_t *	handle
	A pointer to a mixer handle. More...
snd_mixer_selem_id_t *	sid
	A pointer to a mixer handle. More...
const char *	card = "default"
	A pointer to a constant character. More...
const char *	selem_name = "Master"
	A pointer to a constant character. More...

Detailed Description

This class uses the ALSA library to send commands to the sound card.

Definition at line 8 of file VolumeControl.h.

Constructor & Destructor Documentation

VolumeControl()

VolumeControl::VolumeControl

(

void

)

constructor

Definition at line 7 of file VolumeControl.cpp.

Member Function Documentation

increaseVolume()

void VolumeControl::increaseVolume

(

)

Increase the master volume by 10%

Definition at line 11 of file VolumeControl.cpp.

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muteAndUnmute()

void VolumeControl::muteAndUnmute

(

)

Mute or unmute by checking the current state.

Definition at line 53 of file VolumeControl.cpp.

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reduceVolume()

void VolumeControl::reduceVolume

(

)

Reduce the master volume by 10%

Definition at line 32 of file VolumeControl.cpp.

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unmute()

void VolumeControl::unmute

(

)

Umute the system, to be called before increases volume if system is muted.

Definition at line 72 of file VolumeControl.cpp.

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Member Data Documentation

card

const char* UbuntuController::VolumeControl::card = "default"

private

A pointer to a constant character.

Definition at line 21 of file VolumeControl.h.

handle

snd_mixer_t* UbuntuController::VolumeControl::handle

private

A pointer to a mixer handle.

Definition at line 15 of file VolumeControl.h.

max

long UbuntuController::VolumeControl::max

private

Definition at line 12 of file VolumeControl.h.

min

long UbuntuController::VolumeControl::min

private

Declaring three variables of type long.

Definition at line 12 of file VolumeControl.h.

selem_name

const char* UbuntuController::VolumeControl::selem_name = "Master"

private

A pointer to a constant character.

Definition at line 24 of file VolumeControl.h.

sid

snd_mixer_selem_id_t* UbuntuController::VolumeControl::sid

private

A pointer to a mixer handle.

Definition at line 18 of file VolumeControl.h.

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The documentation for this class was generated from the following files:

• src/ubuntu_controls/VolumeControl.h
• src/ubuntu_controls/VolumeControl.cpp