CoreAudioRingBuffer Class Reference

#include <qcoreaudioutils_p.h>

Collaboration diagram for CoreAudioRingBuffer:

Public Types
typedef QPair< char *, int >	Region

Public Member Functions
	CoreAudioRingBuffer (int bufferSize)
	~CoreAudioRingBuffer ()
Region	acquireReadRegion (int size)
void	releaseReadRegion (Region const &region)
Region	acquireWriteRegion (int size)
void	releaseWriteRegion (Region const &region)
int	used () const
int	free () const
int	size () const
void	reset ()

Detailed Description

Definition at line 43 of file qcoreaudioutils_p.h.

Member Typedef Documentation

Region

typedef QPair<char*, int> CoreAudioRingBuffer::Region

Definition at line 46 of file qcoreaudioutils_p.h.

Constructor & Destructor Documentation

CoreAudioRingBuffer()

CoreAudioRingBuffer::CoreAudioRingBuffer

(

int

bufferSize

)

Definition at line 261 of file qcoreaudioutils.mm.

References reset().

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~CoreAudioRingBuffer()

CoreAudioRingBuffer::~CoreAudioRingBuffer

(

)

Definition at line 268 of file qcoreaudioutils.mm.

Member Function Documentation

acquireReadRegion()

CoreAudioRingBuffer::Region CoreAudioRingBuffer::acquireReadRegion

(

int

size

)

Definition at line 273 of file qcoreaudioutils.mm.

References QBasicAtomicInteger< T >::fetchAndAddAcquire(), qMin(), and used().

Referenced by QDarwinAudioSourceBuffer::flush(), QDarwinAudioSourceBuffer::readBytes(), and QDarwinAudioSinkBuffer::readFrames().

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acquireWriteRegion()

CoreAudioRingBuffer::Region CoreAudioRingBuffer::acquireWriteRegion

(

int

size

)

Definition at line 293 of file qcoreaudioutils.mm.

References QBasicAtomicInteger< T >::fetchAndAddAcquire(), free(), output, qDebug, and qMin().

Referenced by QDarwinAudioSourceBuffer::renderFromDevice(), and QDarwinAudioSinkBuffer::writeBytes().

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free()

int CoreAudioRingBuffer::free

(

)

const

Definition at line 325 of file qcoreaudioutils.mm.

References QBasicAtomicInteger< T >::loadRelaxed().

Referenced by acquireWriteRegion(), QDarwinAudioSinkBuffer::available(), QDarwinAudioSourceBuffer::available(), and QDarwinAudioSourceBuffer::renderFromDevice().

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releaseReadRegion()

void CoreAudioRingBuffer::releaseReadRegion

(

Region const &

region

)

Definition at line 286 of file qcoreaudioutils.mm.

References QBasicAtomicInteger< T >::fetchAndAddRelease().

Referenced by QDarwinAudioSourceBuffer::flush(), QDarwinAudioSourceBuffer::readBytes(), and QDarwinAudioSinkBuffer::readFrames().

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releaseWriteRegion()

void CoreAudioRingBuffer::releaseWriteRegion

(

Region const &

region

)

Definition at line 310 of file qcoreaudioutils.mm.

References QBasicAtomicInteger< T >::fetchAndAddRelease(), and qDebug.

Referenced by QDarwinAudioSourceBuffer::renderFromDevice(), and QDarwinAudioSinkBuffer::writeBytes().

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reset()

void CoreAudioRingBuffer::reset

(

)

Definition at line 335 of file qcoreaudioutils.mm.

References QBasicAtomicInteger< T >::storeRelaxed().

Referenced by CoreAudioRingBuffer(), QDarwinAudioSinkBuffer::reset(), and QDarwinAudioSourceBuffer::reset().

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size()

int CoreAudioRingBuffer::size

(

)

const

Definition at line 330 of file qcoreaudioutils.mm.

Referenced by QDarwinAudioSinkBuffer::startFillTimer().

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used()

int CoreAudioRingBuffer::used

(

)

const

Definition at line 320 of file qcoreaudioutils.mm.

References QBasicAtomicInteger< T >::loadRelaxed().

Referenced by acquireReadRegion(), QDarwinAudioSourceBuffer::flush(), and QDarwinAudioSourceBuffer::used().

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

• qtmultimedia/src/multimedia/darwin/qcoreaudioutils_p.h
• qtmultimedia/src/multimedia/darwin/qcoreaudioutils.mm