QtMultimediaPrivate Namespace Reference

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

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
struct	qOverloadedVisitor
struct	DeleteLaterDeleter
struct	QrcMedia
class	PropertyStoreHelper
class	SleepTimeoutMonitor
struct	QMediaCaptureSessionForeign
struct	QCameraForeign
struct	QImageCaptureForeign
struct	QScreenCaptureForeign
struct	QWindowCaptureForeign
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
class	QPlaybackOptionsDerived
class	QPlatformAudioSinkImplementation
class	QPlatformAudioSourceImplementation
class	QPlatformAudioSourceImplementationWithCallback
struct	QOSStatus
class	CFArrayIterator
class	CFArrayRange
struct	EnumName
struct	StringResolver
class	IteratorFacade
struct	ScopedPropVariant

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	NativePeriodFrames : uint32_t
enum class	VoiceId : uint64_t
enum class	VoicePlayResult : uint8_t { Playing , Finished }
enum class	DRMFormat : std::uint32_t {   RGBA8888 = fourcc_code('R', 'A', '2', '4') , RGB888 = fourcc_code('R', 'G', '2', '4') , RG88 = fourcc_code('R', 'G', '8', '8') , ARGB8888 = fourcc_code('A', 'R', '2', '4') ,   ABGR8888 = fourcc_code('A', 'B', '2', '4') , BGRA8888 = fourcc_code('B', 'A', '2', '4') , BGR888 = fourcc_code('B', 'G', '2', '4') , GR88 = fourcc_code('G', 'R', '8', '8') ,   R8 = fourcc_code('R', '8', ' ', ' ') , R16 = fourcc_code('R', '1', '6', ' ') , RGB565 = fourcc_code('R', 'G', '1', '6') , RG1616 = fourcc_code('R', 'G', '3', '2') ,   GR1616 = fourcc_code('G', 'R', '3', '2') , BGRA1010102 = fourcc_code('B', 'A', '3', '0') , YUYV = fourcc_code('Y', 'U', 'Y', 'V') , UYVY = fourcc_code('U', 'Y', 'V', 'Y') ,   AYUV = fourcc_code('A', 'Y', 'U', 'V') , NV12 = fourcc_code('N', 'V', '1', '2') , NV21 = fourcc_code('N', 'V', '2', '1') , P010 = fourcc_code('P', '0', '1', '0') ,   YUV411 = fourcc_code('Y', 'U', '1', '1') , YUV420 = fourcc_code('Y', 'U', '1', '2') , YVU420 = fourcc_code('Y', 'V', '1', '2') , YUV422 = fourcc_code('Y', 'U', '1', '6') ,   YUV444 = fourcc_code('Y', 'U', '2', '4') }

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 Q_DECL_NONBLOCKING_FUNCTION
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 (AudioSinkCallback &audioCallback, QSpan< std::byte > hostBuffer, const QAudioFormat &applicationFormat, float volume, QAudioHelperInternal::NativeSampleFormat nativeHostFormat)
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)
template<typename HostBufferType>
void	runAudioCallback (AudioSourceCallback &audioCallback, QSpan< HostBufferType > hostBuffer, const QAudioFormat &applicationFormat, float volume, QAudioHelperInternal::NativeSampleFormat nativeHostFormat)
static QtAudio::State	sinkStateToEngineState (QtAudio::State state)
std::optional< SampleRate >	asSampleRate (std::optional< int > arg)
q23::expected< QrcMedia, QString >	qCopyQrcToTemporaryFile (QFile &qrcFile, const QUrl &qrcUrl)
template<class... Ts>
	qOverloadedVisitor (Ts...) -> qOverloadedVisitor< Ts... >
template<typename T, typename... Args>
std::shared_ptr< T >	makeSharedDeleteLater (Args &&...args)
	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, std::size_t E>
QSpan< U >	drop (QSpan< U, E > span, qsizetype n)
template<typename U, std::size_t E>
QSpan< U >	take (QSpan< U, E > span, qsizetype n)
template<typename T>
int	findClosestSamplingRate (int rate, QSpan< const T > supportedRates)
void	setCoverArtImage (QMediaMetaData &metadata, const QImage &image)
constexpr uint32_t	fourcc_code (char a, char b, char c, char d)
QSpan< const DRMFormat >	dmaBufFourccFromPixelFormat (const QVideoFrameFormat::PixelFormat format)

Variables
static constexpr qsizetype	scratchpadBufferSizeLimit = 512 * 1024
constexpr std::array	allSupportedSampleRates
constexpr std::array	allSupportedSampleFormats
static constexpr uint64_t	DmaBufFormatModifierInvalid = ((1ULL << 56) - 1)

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 130 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.

DRMFormat

enum class QtMultimediaPrivate::DRMFormat : std::uint32_t

strong

Enumerator
RGBA8888
RGB888
RG88
ARGB8888
ABGR8888
BGRA8888
BGR888
GR88
R8
R16
RGB565
RG1616
GR1616
BGRA1010102
YUYV
UYVY
AYUV
NV12
NV21
P010
YUV411
YUV420
YVU420
YUV422
YUV444

Definition at line 35 of file qmultimedia_drm_support_p.h.

NativePeriodFrames

enum class QtMultimediaPrivate::NativePeriodFrames : uint32_t

strong

Definition at line 396 of file qaudiosystem_p.h.

VoiceId

enum class QtMultimediaPrivate::VoiceId : uint64_t

strong

Definition at line 41 of file qrtaudioengine_p.h.

VoicePlayResult

enum class QtMultimediaPrivate::VoicePlayResult : uint8_t

strong

Enumerator
Playing
Finished

Definition at line 45 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.

asSampleRate()

std::optional< SampleRate > QtMultimediaPrivate::asSampleRate ( std::optional< int > arg )

inline

Definition at line 46 of file qsamplecache_p.h.

DEFINE_GUID()

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

dmaBufFourccFromPixelFormat()

QSpan< const DRMFormat > QtMultimediaPrivate::dmaBufFourccFromPixelFormat ( const QVideoFrameFormat::PixelFormat format )

inline

Definition at line 65 of file qmultimedia_drm_support_p.h.

References ABGR8888, GR1616, GR88, R16, and R8.

drop()

template<typename U, std::size_t E>

QSpan< U > QtMultimediaPrivate::drop ( QSpan< U, E > 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 41 of file qaudioformat_p.h.

fourcc_code()

uint32_t QtMultimediaPrivate::fourcc_code ( char a, char b, char c, char d )

constexpr

Definition at line 29 of file qmultimedia_drm_support_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.

makeSharedDeleteLater()

template<typename T, typename... Args>

std::shared_ptr< T > QtMultimediaPrivate::makeSharedDeleteLater

(

Args &&...

args

)

Definition at line 119 of file qmultimediautils_p.h.

qCopyQrcToTemporaryFile()

q23::expected< QrcMedia, QString > QtMultimediaPrivate::qCopyQrcToTemporaryFile	(	QFile &	qrcFile,
		const QUrl &	qrcUrl )

Definition at line 193 of file qmultimediautils.cpp.

qOverloadedVisitor()

template<class... Ts>

QtMultimediaPrivate::qOverloadedVisitor

(

Ts...

)

-> qOverloadedVisitor< Ts... >

refreshWarmupClient()

void QtMultimediaPrivate::refreshWarmupClient

(

)

Definition at line 295 of file qwindows_wasapi_warmup_client.cpp.

runAudioCallback() [1/7]

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

inline

Definition at line 299 of file qaudiosystem_p.h.

runAudioCallback() [2/7]

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

inline

Definition at line 314 of file qaudiosystem_p.h.

runAudioCallback() [3/7]

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

inline

Definition at line 292 of file qaudiosystem_p.h.

runAudioCallback() [4/7]

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

inline

Definition at line 333 of file qaudiosystem_p.h.

runAudioCallback() [5/7]

template<typename HostBufferType>

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

inline

Definition at line 354 of file qaudiosystem_p.h.

runAudioCallback() [6/7]

template<typename HostBufferType>

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

inline

Definition at line 374 of file qaudiosystem_p.h.

runAudioCallback() [7/7]

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

inline

Definition at line 346 of file qaudiosystem_p.h.

setCoverArtImage()

void QtMultimediaPrivate::setCoverArtImage ( QMediaMetaData & metadata, const QImage & image )

inline

Definition at line 32 of file qmediametadata_p.h.

sinkStateToEngineState()

QtAudio::State QtMultimediaPrivate::sinkStateToEngineState ( QtAudio::State state )

static

Definition at line 30 of file qrtaudioengine.cpp.

take()

template<typename U, std::size_t E>

QSpan< U > QtMultimediaPrivate::take ( QSpan< U, E > 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 33 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 28 of file qaudioformat_p.h.

DmaBufFormatModifierInvalid

uint64_t QtMultimediaPrivate::DmaBufFormatModifierInvalid = ((1ULL << 56) - 1)

staticconstexpr

Definition at line 27 of file qmultimedia_drm_support_p.h.

scratchpadBufferSizeLimit

constexpr qsizetype QtMultimediaPrivate::scratchpadBufferSizeLimit = 512 * 1024

staticconstexpr

Definition at line 303 of file qaudiosystem_platform_stream_support.cpp.