The QMemoryVideoBuffer class provides a system memory allocated video data buffer. More...

#include <qmemoryvideobuffer_p.h>

Inheritance diagram for QMemoryVideoBuffer:

Collaboration diagram for QMemoryVideoBuffer:

Public Member Functions
	QMemoryVideoBuffer (QByteArray data, int bytesPerLine)
	Constructs a video buffer with an image stride of bytesPerLine from a byte array.

	~QMemoryVideoBuffer () override
	Destroys a system memory allocated video buffer.

MapData	map (QVideoFrame::MapMode mode) override
	\reimp

QVideoFrameFormat	format () const override
	Gets \l QVideoFrameFormat of the underlying video buffer.

Public Member Functions inherited from QAbstractVideoBuffer
virtual	~QAbstractVideoBuffer ()
	\variable QAbstractVideoBuffer::MapData::planeCount

virtual void	unmap ()
	Releases the memory mapped by the map() function.

Detailed Description

The QMemoryVideoBuffer class provides a system memory allocated video data buffer.

QMemoryVideoBuffer is the default video buffer for allocating system memory. It may be used to allocate memory for a QVideoFrame without implementing your own QAbstractVideoBuffer.

Definition at line 22 of file qmemoryvideobuffer_p.h.

Constructor & Destructor Documentation

◆ QMemoryVideoBuffer()

QMemoryVideoBuffer::QMemoryVideoBuffer	(	QByteArray	data,
		int	bytesPerLine )

Constructs a video buffer with an image stride of bytesPerLine from a byte array.

Definition at line 20 of file qmemoryvideobuffer.cpp.

◆ ~QMemoryVideoBuffer()

QMemoryVideoBuffer::~QMemoryVideoBuffer ( )

overridedefault

Destroys a system memory allocated video buffer.

Member Function Documentation

◆ format()

QVideoFrameFormat QMemoryVideoBuffer::format ( ) const

inlineoverridevirtual

Gets \l QVideoFrameFormat of the underlying video buffer.

The format must be available upon construction of \l QVideoFrame. QVideoFrame will contain won instance of the given format, that can be detached and modified.

Implements QAbstractVideoBuffer.

Definition at line 30 of file qmemoryvideobuffer_p.h.

◆ map()

QAbstractVideoBuffer::MapData QMemoryVideoBuffer::map ( QVideoFrame::MapMode mode )

overridevirtual

\reimp