QWindowsAudioUtils Namespace Reference

Functions
bool	formatToWaveFormatExtensible (const QAudioFormat &format, WAVEFORMATEXTENSIBLE &wfx)
QAudioFormat	waveFormatExToFormat (const WAVEFORMATEX &in)
Q_MULTIMEDIA_EXPORT QAudioFormat	mediaTypeToFormat (IMFMediaType *mediaType)
ComPtr< IMFMediaType >	formatToMediaType (QWindowsMediaFoundation &, const QAudioFormat &format)
QAudioFormat::ChannelConfig	maskToChannelConfig (UINT32 mask, int count)
std::optional< quint32 >	audioClientFramesInUse (IAudioClient *client)
std::optional< quint32 >	audioClientFramesAllocated (IAudioClient *client)

Function Documentation

audioClientFramesAllocated()

std::optional< quint32 > QWindowsAudioUtils::audioClientFramesAllocated

(

IAudioClient *

client

)

Definition at line 199 of file qwindowsaudioutils.cpp.

References Q_ASSERT.

Referenced by audioClientFramesAvailable().

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audioClientFramesInUse()

std::optional< quint32 > QWindowsAudioUtils::audioClientFramesInUse

(

IAudioClient *

client

)

Definition at line 190 of file qwindowsaudioutils.cpp.

References Q_ASSERT.

Referenced by audioClientFramesAvailable(), and QWindowsAudioSource::bytesReady().

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formatToMediaType()

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

Definition at line 160 of file qwindowsaudioutils.cpp.

References channelConfigToMask(), QAudioFormat::ChannelConfigUnknown, and QAudioFormat::Float.

Referenced by QWindowsResampler::setup().

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formatToWaveFormatExtensible()

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

Definition at line 63 of file qwindowsaudioutils.cpp.

References QAudioFormat::ChannelConfigUnknown, and QAudioFormat::Float.

Referenced by QWindowsAudioDeviceInfo::testSettings().

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maskToChannelConfig()

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

Definition at line 35 of file qwindowsaudioutils.cpp.

References QAudioFormat::channelConfig(), channelFormatMap, and set.

Referenced by QWindowsAudioDeviceInfo::QWindowsAudioDeviceInfo(), mediaTypeToFormat(), and waveFormatExToFormat().

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mediaTypeToFormat()

QAudioFormat QWindowsAudioUtils::mediaTypeToFormat

(

IMFMediaType *

mediaType

)

Definition at line 120 of file qwindowsaudioutils.cpp.

References QAudioFormat::Float, QAudioFormat::Int16, QAudioFormat::Int32, maskToChannelConfig(), qPopulationCount(), qWarning, QAudioFormat::setChannelCount(), and QAudioFormat::UInt8.

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waveFormatExToFormat()

QAudioFormat QWindowsAudioUtils::waveFormatExToFormat

(

const WAVEFORMATEX &

in

)

Definition at line 93 of file qwindowsaudioutils.cpp.

References QAudioFormat::Float, QAudioFormat::Int16, QAudioFormat::Int32, maskToChannelConfig(), out, qPopulationCount(), and QAudioFormat::UInt8.

Referenced by QWindowsAudioDeviceInfo::QWindowsAudioDeviceInfo().

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