AlsaEngine Class Reference

#include <AlsaEngine.h>

Inheritance diagram for AlsaEngine:

Public Member Functions
	AlsaEngine ()
	~AlsaEngine ()
bool	Start ()
void	Stop ()
void	setAudioEn (bool nval)
bool	getAudioEn () const
void	setMidiEn (bool nval)
bool	getMidiEn () const
Public Member Functions inherited from AudioOut
	AudioOut ()
virtual	~AudioOut ()
void	setSamplerate (int _samplerate)
int	getSampleRate ()
void	setBufferSize (int _bufferSize)
void	bufferingSize (int nBuffering)
int	bufferingSize ()
Public Member Functions inherited from Engine
	Engine ()
virtual	~Engine ()

Protected Member Functions
void *	AudioThread ()
void *	MidiThread ()
Protected Member Functions inherited from AudioOut
const Stereo< float * >	getNext ()

Static Protected Member Functions
static void *	_AudioThread (void *arg)
static void *	_MidiThread (void *arg)

Private Member Functions
bool	openMidi ()
void	stopMidi ()
bool	openAudio ()
void	stopAudio ()
short *	interleave (const Stereo< float * > &smps)
void *	processAudio ()
Private Member Functions inherited from Engine
	Engine ()
virtual	~Engine ()

Private Attributes
struct {
std::string   device
snd_seq_t *   handle
int   alsaId
pthread_t   pThread
}	midi
struct {
snd_pcm_t *   handle
snd_pcm_hw_params_t *   params
unsigned int   sampleRate
snd_pcm_uframes_t   frames
unsigned int   periods
short *   buffer
pthread_t   pThread
}	audio
Private Attributes inherited from Engine
std::string	name

Additional Inherited Members
Public Attributes inherited from Engine
std::string	name
Protected Attributes inherited from AudioOut
int	samplerate
int	bufferSize
Static Private Member Functions inherited from MidiIn
static void	midiProcess (unsigned char head, unsigned char num, unsigned char value)

Constructor & Destructor Documentation

AlsaEngine()

AlsaEngine::AlsaEngine

(

)

~AlsaEngine()

AlsaEngine::~AlsaEngine

(

)

Member Function Documentation

_AudioThread()

void * AlsaEngine::_AudioThread ( void * arg )

staticprotected

_MidiThread()

void * AlsaEngine::_MidiThread ( void * arg )

staticprotected

AudioThread()

void * AlsaEngine::AudioThread ( )

protected

getAudioEn()

bool AlsaEngine::getAudioEn ( ) const

virtual

Implements AudioOut.

getMidiEn()

bool AlsaEngine::getMidiEn ( ) const

virtual

Returns if driver is initialized

Implements MidiIn.

interleave()

short * AlsaEngine::interleave ( const Stereo< float * > & smps )

private

Todo

TODO fix repeated allocation

MidiThread()

void * AlsaEngine::MidiThread ( void )

protected

openAudio()

bool AlsaEngine::openAudio ( )

private

openMidi()

bool AlsaEngine::openMidi ( )

private

processAudio()

void * AlsaEngine::processAudio ( )

private

setAudioEn()

void AlsaEngine::setAudioEn ( bool nval )

virtual

Implements AudioOut.

setMidiEn()

void AlsaEngine::setMidiEn ( bool nval )

virtual

Enables or disables driver based upon value

Implements MidiIn.

Start()

bool AlsaEngine::Start ( )

virtual

Start the Driver with all capabilities

Returns

true on success

Implements Engine.

Stop()

void AlsaEngine::Stop ( )

virtual

Completely stop the Driver

Implements Engine.

stopAudio()

void AlsaEngine::stopAudio ( )

private

stopMidi()

void AlsaEngine::stopMidi ( )

private

Member Data Documentation

alsaId

int AlsaEngine::alsaId

[struct]

struct { ... } AlsaEngine::audio

buffer

short* AlsaEngine::buffer

device

std::string AlsaEngine::device

frames

snd_pcm_uframes_t AlsaEngine::frames

handle [1/2]

snd_pcm_t* AlsaEngine::handle

handle [2/2]

snd_seq_t* AlsaEngine::handle

[struct]

struct { ... } AlsaEngine::midi

params

snd_pcm_hw_params_t* AlsaEngine::params

periods

unsigned int AlsaEngine::periods

pThread

pthread_t AlsaEngine::pThread

sampleRate

unsigned int AlsaEngine::sampleRate

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

• /home/runner/work/lmms-fork/lmms-fork/plugins/ZynAddSubFx/zynaddsubfx/src/Nio/AlsaEngine.h
• /home/runner/work/lmms-fork/lmms-fork/plugins/ZynAddSubFx/zynaddsubfx/src/Nio/AlsaEngine.cpp