AudioOutputALSA Class Reference

#include <audiooutputalsa.h>

Inheritance diagram for AudioOutputALSA:

List of all members.

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Detailed Description

Definition at line 16 of file audiooutputalsa.h.

Public Member Functions
	AudioOutputALSA (QString laudio_main_device, QString laudio_passthru_device, int laudio_bits, int laudio_channels, int laudio_samplerate, AudioOutputSource source, bool set_initial_vol, bool laudio_passthru)
virtual	~AudioOutputALSA ()
virtual int	GetVolumeChannel (int channel)
virtual void	SetVolumeChannel (int channel, int volume)
Protected Member Functions
virtual bool	OpenDevice (void)
virtual void	CloseDevice (void)
virtual void	WriteAudio (unsigned char *aubuf, int size)
virtual int	getSpaceOnSoundcard (void)
virtual int	getBufferedOnSoundcard (void)
Private Member Functions
int	SetParameters (snd_pcm_t *handle, snd_pcm_format_t format, unsigned int channels, unsigned int rate, unsigned int buffer_time, unsigned int period_time)
void	SetCurrentVolume (QString control, int channel, int volume)
void	OpenMixer (bool setstartingvolume)
void	CloseMixer (void)
void	SetupMixer (void)
void	GetVolumeRange (snd_mixer_elem_t *elem)
Private Attributes
snd_pcm_t *	pcm_handle
int	numbadioctls
QMutex	killAudioLock
snd_mixer_t *	mixer_handle
QString	mixer_control
float	volume_range_multiplier
long	playback_vol_min
long	playback_vol_max
snd_pcm_sframes_t(*	pcm_write_func )(snd_pcm_t *, const void *, snd_pcm_uframes_t)

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Constructor & Destructor Documentation

AudioOutputALSA::AudioOutputALSA	(	QString	laudio_main_device,
		QString	laudio_passthru_device,
		int	laudio_bits,
		int	laudio_channels,
		int	laudio_samplerate,
		AudioOutputSource	source,
		bool	set_initial_vol,
		bool	laudio_passthru
	)

Definition at line 16 of file audiooutputalsa.cpp.

AudioOutputALSA::~AudioOutputALSA

(

)

[virtual]

Definition at line 35 of file audiooutputalsa.cpp.

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Member Function Documentation

int AudioOutputALSA::GetVolumeChannel

(

int

channel

)

[virtual]

Implements AudioOutputBase.

Definition at line 480 of file audiooutputalsa.cpp.

Referenced by SetCurrentVolume().

void AudioOutputALSA::SetVolumeChannel	(	int	channel,
		int	volume
	)			[virtual]

Implements AudioOutputBase.

Definition at line 521 of file audiooutputalsa.cpp.

bool AudioOutputALSA::OpenDevice

(

void

)

[protected, virtual]

Implements AudioOutputBase.

Definition at line 40 of file audiooutputalsa.cpp.

void AudioOutputALSA::CloseDevice

(

void

)

[protected, virtual]

Implements AudioOutputBase.

Definition at line 140 of file audiooutputalsa.cpp.

Referenced by OpenDevice().

void AudioOutputALSA::WriteAudio	(	unsigned char *	aubuf,
		int	size
	)			[protected, virtual]

Implements AudioOutputBase.

Definition at line 151 of file audiooutputalsa.cpp.

int AudioOutputALSA::getSpaceOnSoundcard

(

void

)

[inline, protected, virtual]

Implements AudioOutputBase.

Definition at line 268 of file audiooutputalsa.cpp.

int AudioOutputALSA::getBufferedOnSoundcard

(

void

)

[inline, protected, virtual]

Implements AudioOutputBase.

Definition at line 239 of file audiooutputalsa.cpp.

int AudioOutputALSA::SetParameters	(	snd_pcm_t *	handle,
		snd_pcm_format_t	format,
		unsigned int	channels,
		unsigned int	rate,
		unsigned int	buffer_time,
		unsigned int	period_time
	)			[inline, private]

Definition at line 299 of file audiooutputalsa.cpp.

Referenced by OpenDevice().

void AudioOutputALSA::SetCurrentVolume	(	QString	control,
		int	channel,
		int	volume
	)			[private]

Definition at line 526 of file audiooutputalsa.cpp.

Referenced by OpenMixer(), and SetVolumeChannel().

void AudioOutputALSA::OpenMixer

(

bool

setstartingvolume

)

[private]

Definition at line 606 of file audiooutputalsa.cpp.

Referenced by OpenDevice().

void AudioOutputALSA::CloseMixer

(

void

)

[private]

Definition at line 626 of file audiooutputalsa.cpp.

Referenced by CloseDevice(), and SetupMixer().

void AudioOutputALSA::SetupMixer

(

void

)

[private]

Definition at line 633 of file audiooutputalsa.cpp.

Referenced by OpenMixer().

void AudioOutputALSA::GetVolumeRange

(

snd_mixer_elem_t *

elem

)

[private]

Definition at line 680 of file audiooutputalsa.cpp.

Referenced by GetVolumeChannel(), and SetCurrentVolume().

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Member Data Documentation

snd_pcm_t* AudioOutputALSA::pcm_handle [private]

Definition at line 54 of file audiooutputalsa.h.

Referenced by CloseDevice(), getBufferedOnSoundcard(), getSpaceOnSoundcard(), OpenDevice(), and WriteAudio().

int AudioOutputALSA::numbadioctls [private]

Definition at line 55 of file audiooutputalsa.h.

Referenced by OpenDevice().

QMutex AudioOutputALSA::killAudioLock [private]

Reimplemented from AudioOutputBase.

Definition at line 56 of file audiooutputalsa.h.

snd_mixer_t* AudioOutputALSA::mixer_handle [private]

Definition at line 57 of file audiooutputalsa.h.

Referenced by CloseMixer(), GetVolumeChannel(), OpenMixer(), SetCurrentVolume(), and SetupMixer().

QString AudioOutputALSA::mixer_control [private]

Definition at line 58 of file audiooutputalsa.h.

Referenced by GetVolumeChannel(), OpenMixer(), and SetVolumeChannel().

float AudioOutputALSA::volume_range_multiplier [private]

Definition at line 59 of file audiooutputalsa.h.

Referenced by GetVolumeChannel(), GetVolumeRange(), and SetCurrentVolume().

long AudioOutputALSA::playback_vol_min [private]

Definition at line 60 of file audiooutputalsa.h.

Referenced by GetVolumeChannel(), GetVolumeRange(), and SetCurrentVolume().

long AudioOutputALSA::playback_vol_max [private]

Definition at line 61 of file audiooutputalsa.h.

Referenced by GetVolumeRange().

snd_pcm_sframes_t(* AudioOutputALSA::pcm_write_func)(snd_pcm_t *, const void *, snd_pcm_uframes_t) [private]

Referenced by SetParameters(), and WriteAudio().

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

• audiooutputalsa.h
• audiooutputalsa.cpp