QtMultimediaPrivate Namespace Reference

Namespaces
namespace	Impl
namespace	QMediaMetaDataNamespaceForeign
namespace	QAudioDeviceNamespaceForeign
namespace	QCameraDeviceNamespaceForeign
namespace	QMediaFormatNamespaceForeign
namespace	QPlaybackOptionsNamespaceForeign
namespace	pmr
namespace	ranges

Classes
struct	GetSampleTypeImpl
struct	GetSampleTypeImpl< float >
struct	GetSampleTypeImpl< int32_t >
struct	GetSampleTypeImpl< int16_t >
struct	GetSampleTypeImpl< uint8_t >
struct	GetSampleTypeImpl< AudioSinkCallbackType< T > >
struct	GetSampleTypeImpl< AudioSourceCallbackType< T > >
class	QPlatformAudioIOStream
class	QPlatformAudioSinkStream
class	QPlatformAudioSourceStream
struct	QTlsfMemoryResource
class	QRtAudioEngineVoice
struct	QRtAudioEngineVoiceCompare
class	QRtAudioEngine
class	QSoundEffectVoice
class	QSoundEffectPrivateWithPlayer
class	PropertyStoreHelper
class	SleepTimeoutMonitor
struct	QMediaCaptureSessionForeign
struct	QCameraForeign
struct	QImageCaptureForeign
struct	QScreenCaptureForeign
struct	QMediaRecorderForeign
struct	QMediaMetaDataForeign
struct	QMediaMetaDataDerived
struct	QMediaDevicesForeign
struct	QAudioInputForeign
struct	QAudioOutputForeign
struct	QAudioDeviceForeign
struct	QAudioDeviceDerived
struct	QCameraDeviceForeign
struct	QCameraDeviceDerived
struct	QMediaFormatForeign
struct	QMediaFormatDerived
struct	QCameraFormatForeign
struct	QCapturableWindowForeign
struct	QWindowCaptureForeign
class	QPlaybackOptionsDerived
class	QPlatformAudioSinkImplementation
class	QPlatformAudioSourceImplementation
class	QPlatformAudioSourceImplementationWithCallback
struct	EnumName
struct	StringResolver

Typedefs
template<typename SampleTypeOrCallbackType>
using	GetSampleType = typename GetSampleTypeImpl<SampleTypeOrCallbackType>::type
using	AudioSinkCallback = QtAudioPrivate::AudioSinkCallback
using	AudioSourceCallback = QtAudioPrivate::AudioSourceCallback
template<typename F>
using	visitor_arg_t = typename Impl::visitor_arg<F>::type
template<typename SampleType>
using	AudioSinkCallbackType
template<typename SampleType>
using	AudioSourceCallbackType
using	QAutoResetEvent

Enumerations
enum class	AudioEndpointRole : uint8_t { MediaPlayback , SoundEffect , Accessibility , Other }
enum class	VoiceId : uint64_t
enum class	VoicePlayResult : uint8_t { Playing , Finished }

Functions
template<typename SampleTypeOrCallbackType>
static constexpr QAudioFormat::SampleFormat	getSampleFormat ()
template<typename Callback>
AudioSinkCallback	asAudioSinkCallback (Callback &&cb)
template<typename Callback>
AudioSourceCallback	asAudioSourceCallback (Callback &&cb)
template<typename AnyAudioCallback>
constexpr bool	validateAudioCallbackImpl (const AnyAudioCallback &audioCallback, const QAudioFormat &format)
constexpr bool	validateAudioCallback (const AudioSinkCallback &audioCallback, const QAudioFormat &format)
constexpr bool	validateAudioCallback (const AudioSourceCallback &audioCallback, const QAudioFormat &format)
template<size_t limit = 1024 * 64, typename Functor>
auto	withTemporaryBuffer (size_t bufferSize, Functor &&f) noexcept QT_MM_NONBLOCKING
template<bool IsSink>
void	runAudioCallback (std::conditional_t< IsSink, AudioSinkCallback, AudioSourceCallback > &audioCallback, QSpan< std::conditional_t< IsSink, std::byte, const std::byte > > hostBuffer, const QAudioFormat &format)
void	runAudioCallback (AudioSinkCallback &audioCallback, QSpan< std::byte > hostBuffer, const QAudioFormat &format, float volume)
void	runAudioCallback (AudioSinkCallback &audioCallback, QSpan< std::byte > hostBuffer, const QAudioFormat &applicationFormat, float volume, const QAudioFormat &hostFormat)
void	runAudioCallback (AudioSourceCallback &audioCallback, QSpan< const std::byte > hostBuffer, const QAudioFormat &format, float volume)
void	runAudioCallback (AudioSourceCallback &audioCallback, QSpan< std::byte > hostBuffer, const QAudioFormat &format, float volume)
template<typename HostBufferType>
void	runAudioCallback (AudioSourceCallback &audioCallback, QSpan< HostBufferType > hostBuffer, const QAudioFormat &applicationFormat, float volume, const QAudioFormat &hostFormat)
	DEFINE_GUID (GUID_SLEEP_TIMEOUT, 0x29f6c1db, 0x86da, 0x48c5, 0x9f, 0xdb, 0xf2, 0xb6, 0x7b, 0x1f, 0x44, 0xda)
void	refreshWarmupClient ()
template<typename IntType>
constexpr bool	isPowerOfTwo (IntType arg)
template<typename Type>
constexpr Type	alignUp (Type arg, size_t alignment)
template<typename Type>
constexpr Type	alignDown (Type arg, size_t alignment)
template<typename IntType>
constexpr bool	isAligned (IntType arg, size_t alignment)
template<typename U>
QSpan< U >	drop (QSpan< U > span, qsizetype n)
template<typename U>
QSpan< U >	take (QSpan< U > span, qsizetype n)
template<typename T>
int	findClosestSamplingRate (int rate, QSpan< const T > supportedRates)

Variables
static constexpr qsizetype	scratchpadBufferSizeLimit = 512 * 1024
constexpr std::array	allSupportedSampleRates
constexpr std::array	allSupportedSampleFormats

Typedef Documentation

AudioSinkCallback

using QtMultimediaPrivate::AudioSinkCallback = QtAudioPrivate::AudioSinkCallback

Definition at line 168 of file qaudiosystem_p.h.

AudioSinkCallbackType

template<typename SampleType>

using QtAudioPrivate::AudioSinkCallbackType

Definition at line 25 of file qtaudio.h.

AudioSourceCallback

using QtMultimediaPrivate::AudioSourceCallback = QtAudioPrivate::AudioSourceCallback

Definition at line 169 of file qaudiosystem_p.h.

AudioSourceCallbackType

template<typename SampleType>

using QtAudioPrivate::AudioSourceCallbackType

Definition at line 28 of file qtaudio.h.

GetSampleType

template<typename SampleTypeOrCallbackType>

using QtMultimediaPrivate::GetSampleType = typename GetSampleTypeImpl<SampleTypeOrCallbackType>::type

Definition at line 154 of file qaudiosystem_p.h.

QAutoResetEvent

using QtPrivate::QAutoResetEvent

Definition at line 54 of file qautoresetevent_p.h.

visitor_arg_t

template<typename F>

using QtMultimediaPrivate::visitor_arg_t = typename Impl::visitor_arg<F>::type

Definition at line 131 of file qrtaudioengine_p.h.

Enumeration Type Documentation

AudioEndpointRole

enum class QtMultimediaPrivate::AudioEndpointRole : uint8_t

strong

Enumerator
MediaPlayback
SoundEffect
Accessibility
Other

Definition at line 89 of file qaudiosystem_p.h.

VoiceId

enum class QtMultimediaPrivate::VoiceId : uint64_t

strong

Definition at line 42 of file qrtaudioengine_p.h.

VoicePlayResult

enum class QtMultimediaPrivate::VoicePlayResult : uint8_t

strong

Enumerator
Playing
Finished

Definition at line 46 of file qrtaudioengine_p.h.

Function Documentation

alignDown()

template<typename Type>

Type QtMultimediaPrivate::alignDown ( Type arg, size_t alignment )

constexpr

Definition at line 42 of file qaudio_alignment_support_p.h.

alignUp()

template<typename Type>

Type QtMultimediaPrivate::alignUp ( Type arg, size_t alignment )

constexpr

Definition at line 31 of file qaudio_alignment_support_p.h.

asAudioSinkCallback()

template<typename Callback>

AudioSinkCallback QtMultimediaPrivate::asAudioSinkCallback ( Callback && cb )

inline

Definition at line 173 of file qaudiosystem_p.h.

asAudioSourceCallback()

template<typename Callback>

AudioSourceCallback QtMultimediaPrivate::asAudioSourceCallback ( Callback && cb )

inline

Definition at line 184 of file qaudiosystem_p.h.

DEFINE_GUID()

QtMultimediaPrivate::DEFINE_GUID	(	GUID_SLEEP_TIMEOUT	,
		0x29f6c1db	,
		0x86da	,
		0x48c5	,
		0x9f	,
		0xdb	,
		0xf2	,
		0xb6	,
		0x7b	,
		0x1f	,
		0x44	,
		0xda	)

drop()

template<typename U>

QSpan< U > QtMultimediaPrivate::drop ( QSpan< U > span, qsizetype n )

inline

Definition at line 27 of file qaudio_qspan_support_p.h.

findClosestSamplingRate()

template<typename T>

int QtMultimediaPrivate::findClosestSamplingRate	(	int	rate,
		QSpan< const T >	supportedRates )

Definition at line 40 of file qaudioformat_p.h.

getSampleFormat()

template<typename SampleTypeOrCallbackType>

constexpr QAudioFormat::SampleFormat QtMultimediaPrivate::getSampleFormat ( )

staticconstexpr

Definition at line 157 of file qaudiosystem_p.h.

isAligned()

template<typename IntType>

bool QtMultimediaPrivate::isAligned ( IntType arg, size_t alignment )

constexpr

Definition at line 53 of file qaudio_alignment_support_p.h.

isPowerOfTwo()

template<typename IntType>

bool QtMultimediaPrivate::isPowerOfTwo ( IntType arg )

inlineconstexpr

Definition at line 25 of file qaudio_alignment_support_p.h.

refreshWarmupClient()

void QtMultimediaPrivate::refreshWarmupClient

(

)

Definition at line 288 of file qwindows_wasapi_warmup_client.cpp.

runAudioCallback() [1/6]

void QtMultimediaPrivate::runAudioCallback ( AudioSinkCallback & audioCallback, QSpan< std::byte > hostBuffer, const QAudioFormat & applicationFormat, float volume, const QAudioFormat & hostFormat )

inline

Definition at line 295 of file qaudiosystem_p.h.

runAudioCallback() [2/6]

void QtMultimediaPrivate::runAudioCallback ( AudioSinkCallback & audioCallback, QSpan< std::byte > hostBuffer, const QAudioFormat & format, float volume )

inline

Definition at line 288 of file qaudiosystem_p.h.

runAudioCallback() [3/6]

void QtMultimediaPrivate::runAudioCallback ( AudioSourceCallback & audioCallback, QSpan< const std::byte > hostBuffer, const QAudioFormat & format, float volume )

inline

Definition at line 313 of file qaudiosystem_p.h.

runAudioCallback() [4/6]

template<typename HostBufferType>

void QtMultimediaPrivate::runAudioCallback ( AudioSourceCallback & audioCallback, QSpan< HostBufferType > hostBuffer, const QAudioFormat & applicationFormat, float volume, const QAudioFormat & hostFormat )

inline

Definition at line 334 of file qaudiosystem_p.h.

runAudioCallback() [5/6]

void QtMultimediaPrivate::runAudioCallback ( AudioSourceCallback & audioCallback, QSpan< std::byte > hostBuffer, const QAudioFormat & format, float volume )

inline

Definition at line 326 of file qaudiosystem_p.h.

runAudioCallback() [6/6]

template<bool IsSink>

void QtMultimediaPrivate::runAudioCallback ( std::conditional_t< IsSink, AudioSinkCallback, AudioSourceCallback > & audioCallback, QSpan< std::conditional_t< IsSink, std::byte, const std::byte > > hostBuffer, const QAudioFormat & format )

inline

Definition at line 259 of file qaudiosystem_p.h.

take()

template<typename U>

QSpan< U > QtMultimediaPrivate::take ( QSpan< U > span, qsizetype n )

inline

Definition at line 36 of file qaudio_qspan_support_p.h.

validateAudioCallback() [1/2]

bool QtMultimediaPrivate::validateAudioCallback ( const AudioSinkCallback & audioCallback, const QAudioFormat & format )

constexpr

Definition at line 213 of file qaudiosystem_p.h.

validateAudioCallback() [2/2]

bool QtMultimediaPrivate::validateAudioCallback ( const AudioSourceCallback & audioCallback, const QAudioFormat & format )

constexpr

Definition at line 219 of file qaudiosystem_p.h.

validateAudioCallbackImpl()

template<typename AnyAudioCallback>

bool QtMultimediaPrivate::validateAudioCallbackImpl ( const AnyAudioCallback & audioCallback, const QAudioFormat & format )

constexpr

Definition at line 196 of file qaudiosystem_p.h.

withTemporaryBuffer()

template<size_t limit = 1024 * 64, typename Functor>

auto QtMultimediaPrivate::withTemporaryBuffer ( size_t bufferSize, Functor && f )

inlinenoexcept

Definition at line 229 of file qaudiosystem_p.h.

Variable Documentation

allSupportedSampleFormats

std::array QtMultimediaPrivate::allSupportedSampleFormats

inlineconstexpr

Initial value:

{
    QAudioFormat::UInt8,
    QAudioFormat::Int16,
    QAudioFormat::Int32,
    QAudioFormat::Float,
}

Definition at line 32 of file qaudioformat_p.h.

allSupportedSampleRates

std::array QtMultimediaPrivate::allSupportedSampleRates

inlineconstexpr

Initial value:

{
    8'000,  11'025, 12'000, 16'000, 22'050,  24'000,  32'000,  44'100,
    48'000, 64'000, 88'200, 96'000, 128'000, 176'400, 192'000,
}

Definition at line 27 of file qaudioformat_p.h.

scratchpadBufferSizeLimit

constexpr qsizetype QtMultimediaPrivate::scratchpadBufferSizeLimit = 512 * 1024

staticconstexpr

Definition at line 297 of file qaudiosystem_platform_stream_support.cpp.