Inheritance diagram for ALSA::ChannelPlaybackElement:

Collaboration diagram for ALSA::ChannelPlaybackElement:

Public Member Functions
	ChannelPlaybackElement (snd_mixer_selem_channel_id_t ch)

virtual	~ChannelPlaybackElement ()

int	getLevels (snd_mixer_elem_t *elem)

int	getSwitch (snd_mixer_elem_t *elem)

Public Member Functions inherited from ALSA::ChannelElement
	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)

Additional Inherited Members
Public Attributes inherited from ALSA::ChannelElement
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 inherited from ALSA::ChannelElement
long	volDB
	If the channel has a volume, this holds its state in 100*dB. More...

Detailed Description

Class to manage a playback channel volumes

Definition at line 69 of file MixerElement.H.

Constructor & Destructor Documentation

ALSA::ChannelPlaybackElement::ChannelPlaybackElement ( snd_mixer_selem_channel_id_t ch )

inline

Definition at line 71 of file MixerElement.H.

virtual ALSA::ChannelPlaybackElement::~ChannelPlaybackElement ( )

inlinevirtual

Definition at line 73 of file MixerElement.H.

int ALSA::ChannelPlaybackElement::getLevels ( snd_mixer_elem_t * elem )

inline

Get the playback levels for this channel

Parameters

elem	the mixer element to get playback levels for

Definition at line 79 of file MixerElement.H.

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int ALSA::ChannelPlaybackElement::getSwitch ( snd_mixer_elem_t * elem )

inline

Get the switch state for this channel

Parameters

elem	the mixer element to get switch state for

Definition at line 93 of file MixerElement.H.

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