QWindowsAudioUtils Namespace Reference

Classes
struct	AudioClientCreationResult
struct	AudioClientDevicePeriod
struct	MMCSSThreadTraits

Typedefs
using	MMCSSThreadRegistration = QUniqueHandle<MMCSSThreadTraits>

Enumerations
enum class	AudioEndpointRole
enum class	NativePeriodFrames

Functions
QAudioFormat::ChannelConfig	maskToChannelConfig (UINT32 maskmask, int countcount)
static UINT32	channelConfigToMask (QAudioFormat::ChannelConfig configconfig)
bool	formatToWaveFormatExtensible (const QAudioFormat &formatformat, WAVEFORMATEXTENSIBLE &wfx)
std::optional< WAVEFORMATEXTENSIBLE >	toWaveFormatExtensible (const QAudioFormat &formatformat)
QAudioFormat	waveFormatExToFormat (const WAVEFORMATEX &inin)
QAudioFormat	mediaTypeToFormat (IMFMediaType *mediaType)
ComPtr< IMFMediaType >	formatToMediaType (QWindowsMediaFoundation &wmf, const QAudioFormat &formatformat)
std::optional< quint32 >	getBufferSizeInFrames (const ComPtr< IAudioClient3 > &client)
std::optional< AudioClientDevicePeriod >	getDevicePeriod (const ComPtr< IAudioClient3 > &client)
QString	audioClientErrorString (HRESULT hr)
bool	audioClientSetRole (const ComPtr< IAudioClient3 > &client, AudioEndpointRole role)
std::optional< AudioClientCreationResult >	createAudioClient (const ComPtr< IMMDevice > &device, const QAudioFormat &formatformat, std::optional< NativePeriodFrames > nativePeriodFrames, const QUniqueWin32NullHandle &wasapiEventHandle, std::optional< AudioEndpointRole > role)
bool	audioClientStart (const ComPtr< IAudioClient3 > &client)
bool	audioClientStop (const ComPtr< IAudioClient3 > &client)
bool	audioClientReset (const ComPtr< IAudioClient3 > &client)
bool	audioClientSetRate (const ComPtr< IAudioClient3 > &client, int raterate)
MMCSSThreadRegistration	registerMMCSSThreadForPeriod (QWMF::reference_time periodSize)

Variables
static constexpr QAudioFormat::AudioChannelPosition	channelFormatMap []

Typedef Documentation

MMCSSThreadRegistration

using QWindowsAudioUtils::MMCSSThreadRegistration = QUniqueHandle<MMCSSThreadTraits>

Definition at line 90 of file qwindowsaudioutils_p.h.

Enumeration Type Documentation

AudioEndpointRole

enum class QtMultimediaPrivate::AudioEndpointRole : uint8_t

strong

Definition at line 89 of file qaudiosystem_p.h.

NativePeriodFrames

enum class QtMultimediaPrivate::NativePeriodFrames : uint32_t

strong

Definition at line 399 of file qaudiosystem_p.h.

Function Documentation

audioClientErrorString()

QString QWindowsAudioUtils::audioClientErrorString

(

HRESULT

hr

)

Definition at line 249 of file qwindowsaudioutils.cpp.

audioClientReset()

bool QWindowsAudioUtils::audioClientReset

(

const ComPtr< IAudioClient3 > &

client

)

Definition at line 458 of file qwindowsaudioutils.cpp.

audioClientSetRate()

bool QWindowsAudioUtils::audioClientSetRate	(	const ComPtr< IAudioClient3 > &	client,
		int	rate )

Definition at line 468 of file qwindowsaudioutils.cpp.

audioClientSetRole()

bool QWindowsAudioUtils::audioClientSetRole	(	const ComPtr< IAudioClient3 > &	client,
		AudioEndpointRole	role )

Definition at line 334 of file qwindowsaudioutils.cpp.

audioClientStart()

bool QWindowsAudioUtils::audioClientStart

(

const ComPtr< IAudioClient3 > &

client

)

Definition at line 438 of file qwindowsaudioutils.cpp.

audioClientStop()

bool QWindowsAudioUtils::audioClientStop

(

const ComPtr< IAudioClient3 > &

client

)

Definition at line 448 of file qwindowsaudioutils.cpp.

channelConfigToMask()

UINT32 QWindowsAudioUtils::channelConfigToMask ( QAudioFormat::ChannelConfig config )

static

Definition at line 70 of file qwindowsaudioutils.cpp.

createAudioClient()

std::optional< AudioClientCreationResult > QWindowsAudioUtils::createAudioClient	(	const ComPtr< IMMDevice > &	device,
		const QAudioFormat &	format,
		std::optional< NativePeriodFrames >	nativePeriodFrames,
		const QUniqueWin32NullHandle &	wasapiEventHandle,
		std::optional< AudioEndpointRole >	role = {} )

Definition at line 367 of file qwindowsaudioutils.cpp.

formatToMediaType()

ComPtr< IMFMediaType > QWindowsAudioUtils::formatToMediaType	(	QWindowsMediaFoundation &	wmf,
		const QAudioFormat &	format )

Definition at line 188 of file qwindowsaudioutils.cpp.

formatToWaveFormatExtensible()

bool QWindowsAudioUtils::formatToWaveFormatExtensible	(	const QAudioFormat &	format,
		WAVEFORMATEXTENSIBLE &	wfx )

Definition at line 82 of file qwindowsaudioutils.cpp.

getBufferSizeInFrames()

std::optional< quint32 > QWindowsAudioUtils::getBufferSizeInFrames

(

const ComPtr< IAudioClient3 > &

client

)

Definition at line 218 of file qwindowsaudioutils.cpp.

getDevicePeriod()

std::optional< AudioClientDevicePeriod > QWindowsAudioUtils::getDevicePeriod

(

const ComPtr< IAudioClient3 > &

client

)

Definition at line 232 of file qwindowsaudioutils.cpp.

maskToChannelConfig()

QAudioFormat::ChannelConfig QWindowsAudioUtils::maskToChannelConfig	(	UINT32	mask,
		int	count )

Definition at line 54 of file qwindowsaudioutils.cpp.

mediaTypeToFormat()

QAudioFormat QWindowsAudioUtils::mediaTypeToFormat

(

IMFMediaType *

mediaType

)

Definition at line 148 of file qwindowsaudioutils.cpp.

registerMMCSSThreadForPeriod()

MMCSSThreadRegistration QWindowsAudioUtils::registerMMCSSThreadForPeriod ( QWMF::reference_time periodSize )

nodiscard

Definition at line 493 of file qwindowsaudioutils.cpp.

toWaveFormatExtensible()

std::optional< WAVEFORMATEXTENSIBLE > QWindowsAudioUtils::toWaveFormatExtensible

(

const QAudioFormat &

format

)

Definition at line 112 of file qwindowsaudioutils.cpp.

waveFormatExToFormat()

QAudioFormat QWindowsAudioUtils::waveFormatExToFormat

(

const WAVEFORMATEX &

in

)

Definition at line 121 of file qwindowsaudioutils.cpp.

Variable Documentation

channelFormatMap

constexpr QAudioFormat::AudioChannelPosition QWindowsAudioUtils::channelFormatMap

staticconstexpr

Initial value:

                                                             =
{ QAudioFormat::FrontLeft         
, QAudioFormat::FrontRight        
, QAudioFormat::FrontCenter       
, QAudioFormat::LFE               
, QAudioFormat::BackLeft          
, QAudioFormat::BackRight         
, QAudioFormat::FrontLeftOfCenter 
, QAudioFormat::FrontRightOfCenter
, QAudioFormat::BackCenter        
, QAudioFormat::SideLeft          
, QAudioFormat::SideRight         
, QAudioFormat::TopCenter         
, QAudioFormat::TopFrontLeft      
, QAudioFormat::TopFrontCenter    
, QAudioFormat::TopFrontRight     
, QAudioFormat::TopBackLeft       
, QAudioFormat::TopBackCenter     
, QAudioFormat::TopBackRight      
}

Definition at line 33 of file qwindowsaudioutils.cpp.