The I420Buffer class represents a buffer in I420 format. More...

#include <video_frame_observer.h>

Public Member Functions
	I420Buffer (const uint8_t data_y, const uint8_t data_u, const uint8_t *data_v, int32_t stride_y, int32_t stride_u, int32_t stride_v, int32_t width, int32_t height)
	Constructs an I420Buffer object with the specified parameters.

	~I420Buffer ()
	Destructs the I420Buffer object.

const uint8_t *	DataY ()
	Returns a pointer to the Y plane data.

const uint8_t *	DataU ()
	Returns a pointer to the U plane data.

const uint8_t *	DataV ()
	Returns a pointer to the V plane data.

int32_t	StrideY ()
	Returns the stride (number of bytes between consecutive rows) of the Y plane.

int32_t	StrideU ()
	Returns the stride (number of bytes between consecutive rows) of the U plane.

int32_t	StrideV ()
	Returns the stride (number of bytes between consecutive rows) of the V plane.

int32_t	width ()
	Returns the width of the buffer in pixels.

int32_t	height ()
	Returns the height of the buffer in pixels.

Detailed Description

The I420Buffer class represents a buffer in I420 format.

I420 is a planar YUV format with 8 bits per component. The Y plane is first, followed by the U and V planes. The U and V planes are subsampled by a factor of 2 in both dimensions.

Constructor & Destructor Documentation

◆ I420Buffer()

I420Buffer	(	const uint8_t *	data_y,
		const uint8_t *	data_u,
		const uint8_t *	data_v,
		int32_t	stride_y,
		int32_t	stride_u,
		int32_t	stride_v,
		int32_t	width,
		int32_t	height
	)

Constructs an I420Buffer object with the specified parameters.

Parameters

data_y	A pointer to the Y plane data.
data_u	A pointer to the U plane data.
data_v	A pointer to the V plane data.
stride_y	The stride (number of bytes between consecutive rows) of the Y plane.
stride_u	The stride (number of bytes between consecutive rows) of the U plane.
stride_v	The stride (number of bytes between consecutive rows) of the V plane.
width	The width of the buffer in pixels.
height	The height of the buffer in pixels.

◆ ~I420Buffer()

~I420Buffer ( )

Destructs the I420Buffer object.

Member Function Documentation

◆ DataU()

const uint8_t * DataU ( )

Returns a pointer to the U plane data.

Returns: A pointer to the U plane data.

◆ DataV()

const uint8_t * DataV ( )

Returns a pointer to the V plane data.

Returns: A pointer to the V plane data.

◆ DataY()

const uint8_t * DataY ( )

Returns a pointer to the Y plane data.

Returns: A pointer to the Y plane data.

◆ height()

int32_t height ( )

Returns the height of the buffer in pixels.

Returns: The height of the buffer.

◆ StrideU()

int32_t StrideU ( )

Returns the stride (number of bytes between consecutive rows) of the U plane.

Returns: The stride of the U plane.

◆ StrideV()

int32_t StrideV ( )

Returns the stride (number of bytes between consecutive rows) of the V plane.

Returns: The stride of the V plane.

◆ StrideY()

int32_t StrideY ( )

Returns the stride (number of bytes between consecutive rows) of the Y plane.

Returns: The stride of the Y plane.

◆ width()

int32_t width ( )

Returns the width of the buffer in pixels.

Returns: The width of the buffer.

The documentation for this class was generated from the following file:

video_frame_observer.h

Public Member Functions