QCoreAudioUtils Namespace Reference

Classes
struct	AudioUnitHandle
struct	AudioUnitHandleTraits
struct	QFreeDeleter

Functions
QAudioFormat	toPreferredQAudioFormat (AudioStreamBasicDescription const &sf)
AudioStreamBasicDescription	toAudioStreamBasicDescription (QAudioFormat const &audioFormat)
std::unique_ptr< AudioChannelLayout, QFreeDeleter >	toAudioChannelLayout (const QAudioFormat &format, UInt32 *size)
QAudioFormat::ChannelConfig	fromAudioChannelLayout (const AudioChannelLayout *layout)
std::optional< AudioUnitHandle >	makeAudioUnitForIO ()
bool	audioUnitSetInputEnabled (AudioUnitHandle &audioUnit, bool enabled)
bool	audioUnitSetOutputEnabled (AudioUnitHandle &audioUnit, bool enabled)
bool	audioUnitSetInputStreamFormat (AudioUnitHandle &audioUnit, AudioUnitElement element, const AudioStreamBasicDescription &format)
bool	audioUnitSetOutputStreamFormat (AudioUnitHandle &audioUnit, AudioUnitElement element, const AudioStreamBasicDescription &format)
bool	audioUnitIsRunning (AudioUnitHandle &audioUnit)
bool	audioUnitSetRenderCallback (AudioUnitHandle &audioUnit, AURenderCallbackStruct &callback)
std::optional< int >	audioUnitGetFramesPerSlice (AudioUnitHandle &audioUnit)
std::optional< AudioStreamBasicDescription >	audioUnitGetInputStreamFormat (AudioUnitHandle &audioUnit, AudioUnitElement element)
QStringView	audioPropertySelectorToString (AudioObjectPropertySelector selector)
QStringView	audioPropertyScopeToString (AudioObjectPropertyScope scope)
QStringView	audioPropertyElementToString (AudioObjectPropertyElement element)
QByteArray	readPersistentDeviceId (AudioDeviceID, QAudioDevice::Mode)
std::optional< AudioDeviceID >	findAudioDeviceId (const QByteArray &id, QAudioDevice::Mode)
std::optional< AudioDeviceID >	findAudioDeviceId (const QAudioDevice &device)
template<typename... Args>
void	printUnableToReadWarning (AudioObjectID objectID, const AudioObjectPropertyAddress &address, Args &&...args)
AudioObjectPropertyAddress	makePropertyAddress (AudioObjectPropertySelector selector, QAudioDevice::Mode mode, AudioObjectPropertyElement element=kAudioObjectPropertyElementMain)
bool	getAudioPropertyRaw (AudioObjectID objectID, const AudioObjectPropertyAddress &address, QSpan< std::byte > destination, bool warnIfMissing=true)
template<typename T>
std::optional< std::vector< T > >	getAudioPropertyList (AudioObjectID objectID, const AudioObjectPropertyAddress &address, bool warnIfMissing=true)
template<typename T>
std::optional< T >	getAudioProperty (AudioObjectID objectID, const AudioObjectPropertyAddress &address, bool warnIfMissing=false)
template<typename T>
std::unique_ptr< T, QCoreAudioUtils::QFreeDeleter >	getAudioPropertyWithFlexibleArrayMember (AudioObjectID objectID, const AudioObjectPropertyAddress &address, bool warnIfMissing=false)

Variables
struct {
QAudioFormat::AudioChannelPosition   QCoreAudioUtils::pos
AudioChannelLabel   QCoreAudioUtils::label
}	channelMap []
struct {
AudioChannelLayoutTag   QCoreAudioUtils::tag
QAudioFormat::ChannelConfig   QCoreAudioUtils::channelConfig
}	layoutTagMap []

Function Documentation

audioPropertyElementToString()

QStringView QCoreAudioUtils::audioPropertyElementToString

(

AudioObjectPropertyElement

element

)

Definition at line 101 of file qmacosaudiodatautils.cpp.

audioPropertyScopeToString()

QStringView QCoreAudioUtils::audioPropertyScopeToString

(

AudioObjectPropertyScope

scope

)

Definition at line 88 of file qmacosaudiodatautils.cpp.

audioPropertySelectorToString()

QStringView QCoreAudioUtils::audioPropertySelectorToString

(

AudioObjectPropertySelector

selector

)

Definition at line 16 of file qmacosaudiodatautils.cpp.

audioUnitGetFramesPerSlice()

std::optional< int > QCoreAudioUtils::audioUnitGetFramesPerSlice

(

AudioUnitHandle &

audioUnit

)

Definition at line 507 of file qcoreaudioutils.cpp.

audioUnitGetInputStreamFormat()

std::optional< AudioStreamBasicDescription > QCoreAudioUtils::audioUnitGetInputStreamFormat	(	AudioUnitHandle &	audioUnit,
		AudioUnitElement	element )

Definition at line 520 of file qcoreaudioutils.cpp.

audioUnitIsRunning()

bool QCoreAudioUtils::audioUnitIsRunning

(

AudioUnitHandle &

audioUnit

)

Definition at line 477 of file qcoreaudioutils.cpp.

audioUnitSetInputEnabled()

bool QCoreAudioUtils::audioUnitSetInputEnabled	(	AudioUnitHandle &	audioUnit,
		bool	enabled )

Definition at line 334 of file qcoreaudioutils.cpp.

audioUnitSetInputStreamFormat()

bool QCoreAudioUtils::audioUnitSetInputStreamFormat	(	AudioUnitHandle &	audioUnit,
		AudioUnitElement	element,
		const AudioStreamBasicDescription &	format )

Definition at line 372 of file qcoreaudioutils.cpp.

audioUnitSetOutputEnabled()

bool QCoreAudioUtils::audioUnitSetOutputEnabled	(	AudioUnitHandle &	audioUnit,
		bool	enabled )

Definition at line 346 of file qcoreaudioutils.cpp.

audioUnitSetOutputStreamFormat()

bool QCoreAudioUtils::audioUnitSetOutputStreamFormat	(	AudioUnitHandle &	audioUnit,
		AudioUnitElement	element,
		const AudioStreamBasicDescription &	format )

Definition at line 384 of file qcoreaudioutils.cpp.

audioUnitSetRenderCallback()

bool QCoreAudioUtils::audioUnitSetRenderCallback	(	AudioUnitHandle &	audioUnit,
		AURenderCallbackStruct &	callback )

Definition at line 493 of file qcoreaudioutils.cpp.

findAudioDeviceId() [1/2]

std::optional< AudioDeviceID > QCoreAudioUtils::findAudioDeviceId ( const QAudioDevice & device )

nodiscard

Definition at line 198 of file qmacosaudiodatautils.cpp.

findAudioDeviceId() [2/2]

std::optional< AudioDeviceID > QCoreAudioUtils::findAudioDeviceId ( const QByteArray & id, QAudioDevice::Mode mode )

nodiscard

Definition at line 164 of file qmacosaudiodatautils.cpp.

fromAudioChannelLayout()

QAudioFormat::ChannelConfig QCoreAudioUtils::fromAudioChannelLayout

(

const AudioChannelLayout *

layout

)

Definition at line 190 of file qcoreaudioutils.cpp.

getAudioProperty()

template<typename T>

std::optional< T > QCoreAudioUtils::getAudioProperty	(	AudioObjectID	objectID,
		const AudioObjectPropertyAddress &	address,
		bool	warnIfMissing = false )

Definition at line 96 of file qmacosaudiodatautils_p.h.

getAudioPropertyList()

template<typename T>

std::optional< std::vector< T > > QCoreAudioUtils::getAudioPropertyList	(	AudioObjectID	objectID,
		const AudioObjectPropertyAddress &	address,
		bool	warnIfMissing = true )

Definition at line 73 of file qmacosaudiodatautils_p.h.

getAudioPropertyRaw()

bool QCoreAudioUtils::getAudioPropertyRaw ( AudioObjectID objectID, const AudioObjectPropertyAddress & address, QSpan< std::byte > destination, bool warnIfMissing = true )

nodiscard

Definition at line 128 of file qmacosaudiodatautils.cpp.

getAudioPropertyWithFlexibleArrayMember()

template<typename T>

std::unique_ptr< T, QCoreAudioUtils::QFreeDeleter > QCoreAudioUtils::getAudioPropertyWithFlexibleArrayMember	(	AudioObjectID	objectID,
		const AudioObjectPropertyAddress &	address,
		bool	warnIfMissing = false )

Definition at line 119 of file qmacosaudiodatautils_p.h.

makeAudioUnitForIO()

std::optional< AudioUnitHandle > QCoreAudioUtils::makeAudioUnitForIO

(

)

Definition at line 306 of file qcoreaudioutils.cpp.

makePropertyAddress()

AudioObjectPropertyAddress QCoreAudioUtils::makePropertyAddress ( AudioObjectPropertySelector selector, QAudioDevice::Mode mode, AudioObjectPropertyElement element = kAudioObjectPropertyElementMain )

nodiscard

Definition at line 117 of file qmacosaudiodatautils.cpp.

printUnableToReadWarning()

template<typename... Args>

void QCoreAudioUtils::printUnableToReadWarning	(	AudioObjectID	objectID,
		const AudioObjectPropertyAddress &	address,
		Args &&...	args )

Definition at line 50 of file qmacosaudiodatautils_p.h.

readPersistentDeviceId()

QByteArray QCoreAudioUtils::readPersistentDeviceId ( AudioDeviceID device, QAudioDevice::Mode mode )

nodiscard

Definition at line 149 of file qmacosaudiodatautils.cpp.

toAudioChannelLayout()

std::unique_ptr< AudioChannelLayout, QFreeDeleter > QCoreAudioUtils::toAudioChannelLayout	(	const QAudioFormat &	format,
		UInt32 *	size )

Definition at line 103 of file qcoreaudioutils.cpp.

toAudioStreamBasicDescription()

AudioStreamBasicDescription QCoreAudioUtils::toAudioStreamBasicDescription

(

QAudioFormat const &

audioFormat

)

Definition at line 43 of file qcoreaudioutils.cpp.

toPreferredQAudioFormat()

QAudioFormat QCoreAudioUtils::toPreferredQAudioFormat

(

AudioStreamBasicDescription const &

sf

)

Definition at line 18 of file qcoreaudioutils.cpp.

Variable Documentation

channelConfig

QAudioFormat::ChannelConfig QCoreAudioUtils::channelConfig

Definition at line 149 of file qcoreaudioutils.cpp.

[struct]

constexpr struct { ... } QCoreAudioUtils::channelMap

Initial value:

=  {
        { QAudioFormat::FrontLeft, kAudioChannelLabel_Left },
        { QAudioFormat::FrontRight, kAudioChannelLabel_Right },
        { QAudioFormat::FrontCenter, kAudioChannelLabel_Center },
        { QAudioFormat::LFE, kAudioChannelLabel_LFEScreen },
        { QAudioFormat::BackLeft, kAudioChannelLabel_LeftSurround },
        { QAudioFormat::BackRight, kAudioChannelLabel_RightSurround },
        { QAudioFormat::FrontLeftOfCenter, kAudioChannelLabel_LeftCenter },
        { QAudioFormat::FrontRightOfCenter, kAudioChannelLabel_RightCenter },
        { QAudioFormat::BackCenter, kAudioChannelLabel_CenterSurround },
        { QAudioFormat::LFE2, kAudioChannelLabel_LFE2 },
        { QAudioFormat::SideLeft, kAudioChannelLabel_LeftSurroundDirect }, 
        { QAudioFormat::SideRight, kAudioChannelLabel_RightSurroundDirect }, 
        { QAudioFormat::TopFrontLeft, kAudioChannelLabel_VerticalHeightLeft },
        { QAudioFormat::TopFrontRight, kAudioChannelLabel_VerticalHeightRight },
        { QAudioFormat::TopFrontCenter, kAudioChannelLabel_VerticalHeightCenter },
        { QAudioFormat::TopCenter, kAudioChannelLabel_CenterTopMiddle },
        { QAudioFormat::TopBackLeft, kAudioChannelLabel_TopBackLeft },
        { QAudioFormat::TopBackRight, kAudioChannelLabel_TopBackRight },
        { QAudioFormat::TopSideLeft, kAudioChannelLabel_LeftTopMiddle },
        { QAudioFormat::TopSideRight, kAudioChannelLabel_RightTopMiddle },
        { QAudioFormat::TopBackCenter, kAudioChannelLabel_TopBackCenter },
}

label

AudioChannelLabel QCoreAudioUtils::label

Definition at line 77 of file qcoreaudioutils.cpp.

[struct]

constexpr struct { ... } QCoreAudioUtils::layoutTagMap

pos

QAudioFormat::AudioChannelPosition QCoreAudioUtils::pos

Definition at line 76 of file qcoreaudioutils.cpp.

tag

AudioChannelLayoutTag QCoreAudioUtils::tag

Definition at line 148 of file qcoreaudioutils.cpp.