qmultimediautils_p.h File Reference

(38c85f0fb274f9dd989bd7601791209589fab94a)

#include <QtMultimedia/qtmultimediaglobal.h>
#include <QtMultimedia/qtvideo.h>
#include <QtMultimedia/private/qmaybe_p.h>
#include <QtCore/qsize.h>
#include <QtCore/qurl.h>
#include <QtGui/rhi/qrhi.h>

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Classes
struct	Fraction

Functions
Q_MULTIMEDIA_EXPORT Fraction	qRealToFraction (qreal value)
Q_MULTIMEDIA_EXPORT QSize	qCalculateFrameSize (QSize resolution, Fraction pixelAspectRatio)
Q_MULTIMEDIA_EXPORT QSize	qRotatedFrameSize (QSize size, int rotation)
QSize	qRotatedFrameSize (QSize size, QtVideo::Rotation rotation)
Q_MULTIMEDIA_EXPORT QSize	qRotatedFrameSize (const QVideoFrame &frame)
Q_MULTIMEDIA_EXPORT QUrl	qMediaFromUserInput (QUrl fileName)
Q_MULTIMEDIA_EXPORT bool	qIsAutoHdrEnabled ()
Q_MULTIMEDIA_EXPORT QRhiSwapChain::Format	qGetRequiredSwapChainFormat (const QVideoFrameFormat &format)
Q_MULTIMEDIA_EXPORT bool	qShouldUpdateSwapChainFormat (QRhiSwapChain *swapChain, QRhiSwapChain::Format requiredSwapChainFormat)

Function Documentation

qCalculateFrameSize()

Q_MULTIMEDIA_EXPORT QSize qCalculateFrameSize	(	QSize	resolution,
		Fraction	pixelAspectRatio )

Definition at line 44 of file qmultimediautils.cpp.

References QSize::height(), and QSize::width().

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qGetRequiredSwapChainFormat()

Q_MULTIMEDIA_EXPORT QRhiSwapChain::Format qGetRequiredSwapChainFormat

(

const QVideoFrameFormat &

format

)

Definition at line 81 of file qmultimediautils.cpp.

References QRhiSwapChain::HDRExtendedSrgbLinear, and QRhiSwapChain::SDR.

Referenced by QVideoWindowPrivate::render().

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qIsAutoHdrEnabled()

Q_MULTIMEDIA_EXPORT bool qIsAutoHdrEnabled

(

)

Definition at line 74 of file qmultimediautils.cpp.

References qEnvironmentVariableIntValue().

Referenced by qShouldUpdateSwapChainFormat().

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qMediaFromUserInput()

Q_MULTIMEDIA_EXPORT QUrl qMediaFromUserInput

(

QUrl

fileName

)

Definition at line 66 of file qmultimediautils.cpp.

References QUrl::AssumeLocalFile, QDir::currentPath(), QUrl::fromUserInput(), QString::isEmpty(), QUrl::scheme(), QUrl::toString(), and url.

Referenced by QMediaPlayerPrivate::setMedia(), and QAudioDecoder::setSource().

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qRealToFraction()

Q_MULTIMEDIA_EXPORT Fraction qRealToFraction

(

qreal

value

)

Definition at line 12 of file qmultimediautils.cpp.

References d1, d2, and qAbs().

Referenced by QFFmpeg::adjustFrameRate(), qt_adjusted_frame_duration(), and qt_device_format_pixel_aspect_ratio().

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qRotatedFrameSize() [1/3]

Q_MULTIMEDIA_EXPORT QSize qRotatedFrameSize

(

const QVideoFrame &

frame

)

Definition at line 61 of file qmultimediautils.cpp.

References frame, qRotatedFrameSize(), and QWidget::size.

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qRotatedFrameSize() [2/3]

Q_MULTIMEDIA_EXPORT QSize qRotatedFrameSize	(	QSize	size,
		int	rotation )

Definition at line 55 of file qmultimediautils.cpp.

References Q_ASSERT.

Referenced by QVideoFrame::paint(), qImageFromVideoFrame(), qRotatedFrameSize(), qRotatedFrameSize(), and QPlatformVideoSink::setVideoFrame().

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qRotatedFrameSize() [3/3]

QSize qRotatedFrameSize ( QSize size, QtVideo::Rotation rotation )

inline

Definition at line 44 of file qmultimediautils_p.h.

References qRotatedFrameSize(), and qToUnderlying().

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qShouldUpdateSwapChainFormat()

Q_MULTIMEDIA_EXPORT bool qShouldUpdateSwapChainFormat	(	QRhiSwapChain *	swapChain,
		QRhiSwapChain::Format	requiredSwapChainFormat )

Definition at line 90 of file qmultimediautils.cpp.

References QRhiSwapChain::format(), QRhiSwapChain::isFormatSupported(), and qIsAutoHdrEnabled().

Referenced by QVideoWindowPrivate::render().

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