QWMF Namespace Reference

Classes
class	QByteArrayMFMediaBuffer
class	QPmrMediaBuffer

Typedefs
template<typename Functor>
using	IMFBufferReaderReturnType = std::invoke_result_t<Functor, QSpan<BYTE>, QSpan<BYTE>>
using	reference_time = std::chrono::duration<long long, std::ratio<1, 10000000>>

Functions
QVideoFrameFormat::PixelFormat	pixelFormatFromMediaSubtype (const GUID &subtype)
QVideoFrameFormat::ColorRange	colorRangeFromNominalRange (UINT32 nominalRange)
QVideoFrameFormat::ColorSpace	colorSpaceFromMatrix (UINT32 yuvMatrix)
GUID	videoFormatForCodec (QMediaFormat::VideoCodec codec)
QMediaFormat::VideoCodec	codecForVideoFormat (GUID format)
GUID	audioFormatForCodec (QMediaFormat::AudioCodec codec)
QMediaFormat::AudioCodec	codecForAudioFormat (GUID format)
std::optional< GUID >	containerForVideoFileFormat (QMediaFormat::FileFormat format)
std::optional< GUID >	containerForAudioFileFormat (QMediaFormat::FileFormat format)
std::optional< QCameraFormat >	cameraFormatFromMediaType (IMFMediaType *mediaFormat)
Q_MULTIMEDIA_EXPORT QVideoFrameFormat::ColorRange	colorRangeFromNominalRange (uint32_t nominalRange)
Q_MULTIMEDIA_EXPORT QVideoFrameFormat::ColorSpace	colorSpaceFromMatrix (uint32_t yuvMatrix)
template<typename Functor>
auto	withLockedBuffer (IMFMediaBuffer *buffer, Functor &&f) -> q23::expected< IMFBufferReaderReturnType< Functor >, HRESULT >
template<typename Functor>
auto	withLockedBuffer (const ComPtr< IMFMediaBuffer > &buffer, Functor &&f) -> q23::expected< IMFBufferReaderReturnType< Functor >, HRESULT >

Variables
static constexpr auto	mfBufferAlignment = 16

Typedef Documentation

IMFBufferReaderReturnType

template<typename Functor>

using QWMF::IMFBufferReaderReturnType = std::invoke_result_t<Functor, QSpan<BYTE>, QSpan<BYTE>>

Definition at line 38 of file qwmf_support_p.h.

reference_time

using QWMF::reference_time = std::chrono::duration<long long, std::ratio<1, 10000000>>

Definition at line 155 of file qwmf_support_p.h.

Function Documentation

audioFormatForCodec()

GUID QWMF::audioFormatForCodec

(

QMediaFormat::AudioCodec

codec

)

Definition at line 141 of file qwindowsmultimediautils.cpp.

cameraFormatFromMediaType()

std::optional< QCameraFormat > QWMF::cameraFormatFromMediaType ( IMFMediaType * mediaFormat )

nodiscard

Definition at line 224 of file qwindowsmultimediautils.cpp.

codecForAudioFormat()

QMediaFormat::AudioCodec QWMF::codecForAudioFormat

(

GUID

format

)

Definition at line 169 of file qwindowsmultimediautils.cpp.

codecForVideoFormat()

QMediaFormat::VideoCodec QWMF::codecForVideoFormat

(

GUID

format

)

Definition at line 117 of file qwindowsmultimediautils.cpp.

colorRangeFromNominalRange() [1/2]

QVideoFrameFormat::ColorRange QWMF::colorRangeFromNominalRange

(

UINT32

nominalRange

)

Definition at line 62 of file qwindowsmultimediautils.cpp.

colorRangeFromNominalRange() [2/2]

Q_MULTIMEDIA_EXPORT QVideoFrameFormat::ColorRange QWMF::colorRangeFromNominalRange ( uint32_t nominalRange )

nodiscard

colorSpaceFromMatrix() [1/2]

QVideoFrameFormat::ColorSpace QWMF::colorSpaceFromMatrix

(

UINT32

yuvMatrix

)

Definition at line 74 of file qwindowsmultimediautils.cpp.

colorSpaceFromMatrix() [2/2]

Q_MULTIMEDIA_EXPORT QVideoFrameFormat::ColorSpace QWMF::colorSpaceFromMatrix ( uint32_t yuvMatrix )

nodiscard

containerForAudioFileFormat()

std::optional< GUID > QWMF::containerForAudioFileFormat ( QMediaFormat::FileFormat format )

nodiscard

Definition at line 204 of file qwindowsmultimediautils.cpp.

containerForVideoFileFormat()

std::optional< GUID > QWMF::containerForVideoFileFormat ( QMediaFormat::FileFormat format )

nodiscard

Definition at line 190 of file qwindowsmultimediautils.cpp.

pixelFormatFromMediaSubtype()

QVideoFrameFormat::PixelFormat QWMF::pixelFormatFromMediaSubtype

(

const GUID &

subtype

)

Definition at line 35 of file qwindowsmultimediautils.cpp.

videoFormatForCodec()

GUID QWMF::videoFormatForCodec

(

QMediaFormat::VideoCodec

codec

)

Definition at line 89 of file qwindowsmultimediautils.cpp.

withLockedBuffer() [1/2]

template<typename Functor>

auto QWMF::withLockedBuffer ( const ComPtr< IMFMediaBuffer > & buffer, Functor && f ) -> q23::expected< IMFBufferReaderReturnType< Functor >, HRESULT >

nodiscard

Definition at line 69 of file qwmf_support_p.h.

withLockedBuffer() [2/2]

template<typename Functor>

auto QWMF::withLockedBuffer ( IMFMediaBuffer * buffer, Functor && f ) -> q23::expected< IMFBufferReaderReturnType< Functor >, HRESULT >

nodiscard

Definition at line 42 of file qwmf_support_p.h.

Variable Documentation

mfBufferAlignment

constexpr auto QWMF::mfBufferAlignment = 16

staticconstexpr

Definition at line 248 of file qwmf_support.cpp.