QtMultimediaPrivate Namespace Reference

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

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

Typedefs
template<typename SampleType>
using	AudioSinkCallbackType = std::function<void(QSpan<SampleType>)>
template<typename SampleType>
using	AudioSourceCallbackType = std::function<void(QSpan<const SampleType>)>
template<typename SampleTypeOrCallbackType>
using	GetSampleType = typename GetSampleTypeImpl<SampleTypeOrCallbackType>::type
using	AudioSinkCallback
using	AudioSourceCallback
template<typename F>
using	visitor_arg_t = typename Impl::visitor_arg<F>::type
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 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<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 (AudioSourceCallback &audioCallback, QSpan< const std::byte > hostBuffer, const QAudioFormat &format, float volume)
	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

Initial value:

 
        std::variant<AudioSinkCallbackType<float>, AudioSinkCallbackType<uint8_t>,
                     AudioSinkCallbackType<int16_t>, AudioSinkCallbackType<int32_t>>

Definition at line 141 of file qaudiosystem_p.h.

AudioSinkCallbackType

template<typename SampleType>

using QtMultimediaPrivate::AudioSinkCallbackType = std::function<void(QSpan<SampleType>)>

Definition at line 56 of file qaudiosystem_p.h.

AudioSourceCallback

using QtMultimediaPrivate::AudioSourceCallback

Initial value:

 
        std::variant<AudioSourceCallbackType<float>, AudioSourceCallbackType<uint8_t>,
                     AudioSourceCallbackType<int16_t>, AudioSourceCallbackType<int32_t>>

Definition at line 144 of file qaudiosystem_p.h.

AudioSourceCallbackType

template<typename SampleType>

using QtMultimediaPrivate::AudioSourceCallbackType = std::function<void(QSpan<const SampleType>)>

Definition at line 59 of file qaudiosystem_p.h.

GetSampleType

template<typename SampleTypeOrCallbackType>

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

Definition at line 124 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 45 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.

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 127 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() [1/3]

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

inline

Definition at line 211 of file qaudiosystem_p.h.

References runAudioCallback().

Referenced by runAudioCallback(), and runAudioCallback().

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runAudioCallback() [2/3]

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

inline

Definition at line 221 of file qaudiosystem_p.h.

References runAudioCallback().

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runAudioCallback() [3/3]

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 182 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 168 of file qaudiosystem_p.h.

validateAudioCallback() [2/2]

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

constexpr

Definition at line 174 of file qaudiosystem_p.h.

validateAudioCallbackImpl()

template<typename AnyAudioCallback>

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

constexpr

Definition at line 151 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 310 of file qaudiosystem_platform_stream_support.cpp.