ALSA::ChannelElement Class Reference

#include <MixerElement.H>

Inheritance diagram for ALSA::ChannelElement:

Public Member Functions
	ChannelElement (snd_mixer_selem_channel_id_t ch)
virtual	~ChannelElement ()
double	toDB (long v) const
long	fromDB (double d) const
void	outputLevel (std::ostream &os)
void	outputSwitch (std::ostream &os)
void	outputLevelAndSwitch (std::ostream &os)

Public Attributes
long	vol
	If the channel has a volume, this holds its state. More...
double	dB
	If the channel has a volume, this holds its state in dB. More...
int	sw
	If the channel has a switch, this holds its state. More...
snd_mixer_selem_channel_id_t	channel

Protected Attributes
long	volDB
	If the channel has a volume, this holds its state in 100*dB. More...

Detailed Description

Class to manage a channel volumes

Definition at line 28 of file MixerElement.H.

Constructor & Destructor Documentation

ChannelElement()

ALSA::ChannelElement::ChannelElement ( snd_mixer_selem_channel_id_t  ch )

inline

Definition at line 37 of file MixerElement.H.

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~ChannelElement()

virtual ALSA::ChannelElement::~ChannelElement ( )

inlinevirtual

Definition at line 43 of file MixerElement.H.

Member Function Documentation

fromDB()

long ALSA::ChannelElement::fromDB ( double  d ) const

inline

Definition at line 49 of file MixerElement.H.

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outputLevel()

void ALSA::ChannelElement::outputLevel ( std::ostream &  os )

inline

Definition at line 53 of file MixerElement.H.

outputLevelAndSwitch()

void ALSA::ChannelElement::outputLevelAndSwitch ( std::ostream &  os )

inline

Definition at line 61 of file MixerElement.H.

outputSwitch()

void ALSA::ChannelElement::outputSwitch ( std::ostream &  os )

inline

Definition at line 57 of file MixerElement.H.

toDB()

double ALSA::ChannelElement::toDB ( long  v ) const

inline

Definition at line 45 of file MixerElement.H.

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Member Data Documentation

channel

snd_mixer_selem_channel_id_t ALSA::ChannelElement::channel

Definition at line 35 of file MixerElement.H.

dB

double ALSA::ChannelElement::dB

If the channel has a volume, this holds its state in dB.

Definition at line 33 of file MixerElement.H.

sw

int ALSA::ChannelElement::sw

If the channel has a switch, this holds its state.

Definition at line 34 of file MixerElement.H.

vol

long ALSA::ChannelElement::vol

If the channel has a volume, this holds its state.

Definition at line 32 of file MixerElement.H.

volDB

long ALSA::ChannelElement::volDB

protected

If the channel has a volume, this holds its state in 100*dB.

Definition at line 30 of file MixerElement.H.

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

• /tmp/gtkiostream/include/ALSA/MixerElement.H