CoreAudioDriver Class Reference

#include <CoreAudioDriver.h>

Inheritance diagram for CoreAudioDriver:

Public Member Functions
	CoreAudioDriver (audioProcessCallback processCallback)
virtual	~CoreAudioDriver ()
int	init (unsigned bufferSize)
unsigned	getSampleRate ()
unsigned	getBufferSize ()
int	connect ()
void	disconnect ()
float *	getOut_L ()
float *	getOut_R ()
virtual void	play ()
virtual void	stop ()
virtual void	locate (unsigned long nFrame)
virtual void	updateTransportInfo ()
virtual void	setBpm (float fBPM)
virtual int	getLatency ()
	Approximate audio latency (in frames) A reasonable approximation is the buffer time on most audio systems. More...
Public Member Functions inherited from AudioOutput
	AudioOutput (const char *class_name)
virtual	~AudioOutput ()
virtual int	init (unsigned nBufferSize)=0
virtual int	connect ()=0
virtual void	disconnect ()=0
virtual unsigned	getBufferSize ()=0
virtual unsigned	getSampleRate ()=0
virtual int	getLatency ()
	Approximate audio latency (in frames) A reasonable approximation is the buffer time on most audio systems. More...
virtual float *	getOut_L ()=0
virtual float *	getOut_R ()=0
virtual void	updateTransportInfo ()=0
virtual void	play ()=0
virtual void	stop ()=0
virtual void	locate (unsigned long nFrame)=0
virtual void	setBpm (float fBPM)=0
Public Member Functions inherited from Object
	~Object ()
	destructor More...
	Object (const Object &obj)
	copy constructor More...
	Object (const char *class_name)
	constructor More...
const char *	class_name () const
	return the class name More...
virtual QString	toQString (const QString &sPrefix, bool bShort=true) const
	Formatted string version for debugging purposes. More...
void	Print (bool bShort=true) const
	Prints content of toQString() via DEBUGLOG. More...

Static Public Member Functions
static QStringList	getDevices ()
Static Public Member Functions inherited from AudioOutput
static QStringList	getDevices ()
Static Public Member Functions inherited from Object
static void	set_count (bool flag)
	enable/disable class instances counting More...
static bool	count_active ()
	return true if class instances counting is enabled More...
static unsigned	objects_count ()
	return the number of objects More...
static void	write_objects_map_to (std::ostream &out)
	output the full objects map to a given ostream More...
static void	write_objects_map_to_cerr ()
	output objects map to stderr More...
static int	bootstrap (Logger *logger, bool count=false)
	must be called before any Object instantiation ! More...
static Logger *	logger ()
	return the logger instance More...

Data Fields
audioProcessCallback	mProcessCallback
UInt32	m_nBufferSize
AudioUnit	m_outputUnit
AudioDeviceID	m_outputDevice
float *	m_pOut_L
float *	m_pOut_R
Data Fields inherited from AudioOutput
TransportInfo	m_transport
	Local instance of the TransportInfo. More...

Private Member Functions
AudioDeviceID	defaultOutputDevice (void)
void	retrieveBufferSize (void)
void	printStreamInfo (void)
AudioDeviceID	preferredOutputDevice ()

Static Private Member Functions
static QString	deviceName (AudioDeviceID deviceID)
static std::vector< AudioDeviceID >	outputDeviceIDs ()

Private Attributes
bool	m_bIsRunning
unsigned	m_nSampleRate
unsigned	oSampleRate

Additional Inherited Members
Static Public Attributes inherited from Object
static QString	sPrintIndention = " "
	String used to format the debugging string output of some core classes. More...
Static Protected Attributes inherited from Object
static Logger *	__logger = nullptr
	logger instance pointer More...

Constructor & Destructor Documentation

CoreAudioDriver()

CoreAudioDriver

(

audioProcessCallback

processCallback

)

~CoreAudioDriver()

~CoreAudioDriver ( )

virtual

Member Function Documentation

connect()

int connect ( )

virtual

Implements AudioOutput.

defaultOutputDevice()

AudioDeviceID defaultOutputDevice ( void  )

private

deviceName()

QString deviceName ( AudioDeviceID  deviceID )

staticprivate

disconnect()

void disconnect ( )

virtual

Implements AudioOutput.

getBufferSize()

unsigned getBufferSize ( )

virtual

Implements AudioOutput.

getDevices()

QStringList getDevices ( )

static

getLatency()

int getLatency ( )

virtual

Approximate audio latency (in frames) A reasonable approximation is the buffer time on most audio systems.

For systems with variable buffer sizes, this isn't very useful though

Reimplemented from AudioOutput.

getOut_L()

float * getOut_L ( )

virtual

Implements AudioOutput.

getOut_R()

float * getOut_R ( )

virtual

Implements AudioOutput.

getSampleRate()

unsigned getSampleRate ( )

virtual

Implements AudioOutput.

init()

int init ( unsigned  bufferSize )

virtual

Implements AudioOutput.

locate()

void locate ( unsigned long  nFrame )

virtual

Implements AudioOutput.

outputDeviceIDs()

std::vector< AudioDeviceID > outputDeviceIDs ( )

staticprivate

play()

void play ( )

virtual

Implements AudioOutput.

preferredOutputDevice()

AudioDeviceID preferredOutputDevice ( )

private

printStreamInfo()

void printStreamInfo ( void  )

private

retrieveBufferSize()

void retrieveBufferSize ( void  )

private

setBpm()

void setBpm ( float  fBPM )

virtual

Implements AudioOutput.

stop()

void stop ( )

virtual

Implements AudioOutput.

updateTransportInfo()

void updateTransportInfo ( )

virtual

Implements AudioOutput.

Field Documentation

m_bIsRunning

bool m_bIsRunning

private

m_nBufferSize

UInt32 m_nBufferSize

m_nSampleRate

unsigned m_nSampleRate

private

m_outputDevice

AudioDeviceID m_outputDevice

m_outputUnit

AudioUnit m_outputUnit

m_pOut_L

float* m_pOut_L

m_pOut_R

float* m_pOut_R

mProcessCallback

audioProcessCallback mProcessCallback

oSampleRate

unsigned oSampleRate

private