Helper functions for different colour space options, optimised for CPU. More...

#include <colourspace_cpu.h>

Inheritance diagram for mediax::video::ColourSpaceCpu:

Collaboration diagram for mediax::video::ColourSpaceCpu:

Public Member Functions
	ColourSpaceCpu ()=default
	Construct a new Colour Space object.

	~ColourSpaceCpu () final=default
	Destroy the Colour Space Cpu object.

int	Convert (mediax::rtp::Resolution res, uint8_t in, AVPixelFormat in_format, uint8_t in_bytes, uint8_t out, AVPixelFormat out_format, uint8_t out_bytes) const
	Convert the image from one format to another.

int	RgbToYuv (uint32_t height, uint32_t width, uint8_t rgb, uint8_t yuv) const final
	Convert YUV to RGBA on the CPU.

int	RgbToMono8 (uint32_t height, uint32_t width, uint8_t rgb, uint8_t mono8) const final
	Convert RGB to Monochrome 8 bits ber pixel on the CPU.

int	RgbToMono16 (uint32_t height, uint32_t width, uint8_t rgb, uint8_t mono16) const final
	Convert RGB to Monochrome 16 bits ber pixel on the CPU.

int	RgbaToYuv (uint32_t width, uint32_t height, uint8_t rgba, uint8_t yuv) const final
	Convert RGBA to YUV on the CPU.

int	RgbaToRgb (uint32_t width, uint32_t height, uint8_t rgba, uint8_t rgb) const final
	Convert RGBA to RGB on the CPU.

int	RgbaToBgra (uint32_t width, uint32_t height, uint8_t rgba, uint8_t bgra) const final
	Convert RGBA to BGRA on the CPU.

int	RgbToBgra (uint32_t width, uint32_t height, uint8_t rgb, uint8_t bgra) const final
	Convert RGB to RGBA on the CPU.

int	YuvToBgra (uint32_t height, uint32_t width, uint8_t yuv, uint8_t bgra) const final
	Convert YUV to RGBA on the CPU.

int	Mono8ToBgra (uint32_t width, uint32_t height, uint8_t mono8, uint8_t bgra) const final
	Convert Mono8 to RGBA on the CPU.

int	Mono16ToBgra (uint32_t width, uint32_t height, uint8_t mono16, uint8_t bgra) const final
	Convert Mono16 to RGBA on the CPU.

int	Nv12ToBgra (uint32_t height, uint32_t width, uint8_t nv12, uint8_t bgra) const
	Construct a new Nv12 To Bgra object.

int	Nv12ToRgb (uint32_t height, uint32_t width, uint8_t nv12, uint8_t rgb) const
	Construct a new Nv12 To Rgb object.

int	RgbToRgba (uint32_t width, uint32_t height, uint8_t rgb, uint8_t rgba) const final
	Convert RGB to RGBA on the CPU.

int	Yuv422ToRgba (uint32_t height, uint32_t width, uint8_t yuv422, uint8_t rgba) const final
	Convert YUV to RGBA on the CPU.

int	Yuv420ToRgba (uint32_t height, uint32_t width, uint8_t yuv420, uint8_t rgba) const final
	Convert YUV420P to RGBA on the CPU.

int	Mono8ToRgba (uint32_t width, uint32_t height, uint8_t mono8, uint8_t rgba) const final
	Convert Mono8 to RGBA on the CPU.

int	Mono8ToRgb (uint32_t width, uint32_t height, uint8_t mono8, uint8_t rgb) const final
	Convert Mono8 to RGB on the CPU.

int	Mono16ToRgba (uint32_t width, uint32_t height, uint8_t mono16, uint8_t rgba) const final
	Convert Mono16 to RGBA on the CPU.

int	Mono16ToRgb (uint32_t width, uint32_t height, uint8_t mono16, uint8_t rgb) const final
	Convert Mono16 to RGBA on the CPU.

int	YuvToArgb (uint32_t height, uint32_t width, uint8_t yuv, uint8_t argb) const
	Convert YUV to RGBA on the CPU.

int	YuvToRgb (uint32_t height, uint32_t width, uint8_t yuv, uint8_t rgb) const final
	Convert YUV to RGB on the CPU.

int	Yuv420pToRgb (uint32_t height, uint32_t width, uint8_t yuv, uint8_t rgb) const final
	Convert YUV to RGBA on the CPU.

int	ScaleToSizeRgb (uint32_t source_height, uint32_t source_width, uint8_t source_rgb_buffer, uint32_t target_height, uint32_t target_width, uint8_t target_rgb_buffer) const final
	Scale the image to the target size.

int	ScaleToSizeRgba (uint32_t source_height, uint32_t source_width, uint8_t source_rgb_buffer, uint32_t target_height, uint32_t target_width, uint8_t target_rgba_buffer) const final
	Scale the image to the target size.

int	ScaleToSizeBgra (uint32_t source_height, uint32_t source_width, uint8_t source_rgb_buffer, uint32_t target_height, uint32_t target_width, uint8_t target_bgra_buffer) const
	Scale the image to the target size.

Public Member Functions inherited from mediax::video::ColourSpace
	ColourSpace ()=default
	Construct a new Colour Space object.

virtual	~ColourSpace ()=default
	Destroy the Colour Space object.

Detailed Description

Helper functions for different colour space options, optimised for CPU.

Member Function Documentation

◆ Convert()

int mediax::video::ColourSpaceCpu::Convert	(	mediax::rtp::Resolution	res,
		uint8_t *	in,
		AVPixelFormat	in_format,
		uint8_t	in_bytes,
		uint8_t *	out,
		AVPixelFormat	out_format,
		uint8_t	out_bytes
	)		const

Convert the image from one format to another.

Parameters

res	The resolution of the image
in	The input image buffer
in_format	The input image format
in_bytes	The input image bytes per pixel
out	The output image buffer
out_format	The output image format
out_bytes	The output image bytes per pixel

Returns: int The number of bytes converted

◆ Mono16ToBgra()

int mediax::video::ColourSpaceCpu::Mono16ToBgra	(	uint32_t	width,
		uint32_t	height,
		uint8_t *	mono16,
		uint8_t *	bgra
	)		const

finalvirtual

Convert Mono16 to RGBA on the CPU.

Parameters

width	The height of the image
height	The width of the image
mono16	The monochrome 16 bit image
bgra	The BGRA image buffer

Implements mediax::video::ColourSpace.

◆ Mono16ToRgb()

int mediax::video::ColourSpaceCpu::Mono16ToRgb	(	uint32_t	width,
		uint32_t	height,
		uint8_t *	mono16,
		uint8_t *	rgb
	)		const

finalvirtual

Convert Mono16 to RGBA on the CPU.

Parameters

width	The height of the image
height	The width of the image
mono16	The monochrome 16 bit image
rgb	The RGB image buffer

Implements mediax::video::ColourSpace.

◆ Mono16ToRgba()

int mediax::video::ColourSpaceCpu::Mono16ToRgba	(	uint32_t	width,
		uint32_t	height,
		uint8_t *	mono16,
		uint8_t *	rgba
	)		const

finalvirtual

Convert Mono16 to RGBA on the CPU.

Parameters

width	The height of the image
height	The width of the image
mono16	The monochrome 16 bit image
rgba	The RGBA image buffer

Implements mediax::video::ColourSpace.

◆ Mono8ToBgra()

int mediax::video::ColourSpaceCpu::Mono8ToBgra	(	uint32_t	width,
		uint32_t	height,
		uint8_t *	mono8,
		uint8_t *	bgra
	)		const

finalvirtual

Convert Mono8 to RGBA on the CPU.

Parameters

width	The height of the image
height	The width of the image
mono8	The monochrome 8 bit image
bgra	The BGRA image buffer

Implements mediax::video::ColourSpace.

◆ Mono8ToRgb()

int mediax::video::ColourSpaceCpu::Mono8ToRgb	(	uint32_t	width,
		uint32_t	height,
		uint8_t *	mono8,
		uint8_t *	rgb
	)		const

finalvirtual

Convert Mono8 to RGB on the CPU.

Parameters

width
height
mono8
rgb

Returns: int

Implements mediax::video::ColourSpace.

◆ Mono8ToRgba()

int mediax::video::ColourSpaceCpu::Mono8ToRgba	(	uint32_t	width,
		uint32_t	height,
		uint8_t *	mono8,
		uint8_t *	rgba
	)		const

finalvirtual

Convert Mono8 to RGBA on the CPU.

Parameters

width	The height of the image
height	The width of the image
mono8	The monochrome 8 bit image
rgba	The RGBA image buffer

Implements mediax::video::ColourSpace.

◆ Nv12ToBgra()

int mediax::video::ColourSpaceCpu::Nv12ToBgra	(	uint32_t	height,
		uint32_t	width,
		uint8_t *	nv12,
		uint8_t *	bgra
	)		const

Construct a new Nv12 To Bgra object.

Parameters

width	The height of the image
height	The width of the image
nv12	The NV12 bit image
bgra	The BGRA image buffer

◆ Nv12ToRgb()

int mediax::video::ColourSpaceCpu::Nv12ToRgb	(	uint32_t	height,
		uint32_t	width,
		uint8_t *	nv12,
		uint8_t *	rgb
	)		const

Construct a new Nv12 To Rgb object.

Parameters

height
width
nv12
rgb

Returns: int

◆ RgbaToBgra()

int mediax::video::ColourSpaceCpu::RgbaToBgra	(	uint32_t	width,
		uint32_t	height,
		uint8_t *	rgba,
		uint8_t *	bgra
	)		const

finalvirtual

Convert RGBA to BGRA on the CPU.

Parameters

width
height
rgba
bgra

Returns: int

Implements mediax::video::ColourSpace.

◆ RgbaToRgb()

int mediax::video::ColourSpaceCpu::RgbaToRgb	(	uint32_t	width,
		uint32_t	height,
		uint8_t *	rgba,
		uint8_t *	rgb
	)		const

finalvirtual

Convert RGBA to RGB on the CPU.

Parameters

width
height
rgba
rgb

Implements mediax::video::ColourSpace.

◆ RgbaToYuv()

int mediax::video::ColourSpaceCpu::RgbaToYuv	(	uint32_t	width,
		uint32_t	height,
		uint8_t *	rgba,
		uint8_t *	yuv
	)		const

finalvirtual

Convert RGBA to YUV on the CPU.

Parameters

width	The width of the image
height	The height of the image
rgba	The RGB image buffer
yuv	The YUV:422 image buffer

Implements mediax::video::ColourSpace.

◆ RgbToBgra()

int mediax::video::ColourSpaceCpu::RgbToBgra	(	uint32_t	width,
		uint32_t	height,
		uint8_t *	rgb,
		uint8_t *	bgra
	)		const

finalvirtual

Convert RGB to RGBA on the CPU.

Parameters

width	The height of the image
height	The width of the image
rgb	The RGB image buffer
bgra	The BGRA image buffer

Implements mediax::video::ColourSpace.

◆ RgbToMono16()

int mediax::video::ColourSpaceCpu::RgbToMono16	(	uint32_t	height,
		uint32_t	width,
		uint8_t *	rgb,
		uint8_t *	mono16
	)		const

finalvirtual

Convert RGB to Monochrome 16 bits ber pixel on the CPU.

Parameters

height	The height of the image
width	The width of the image
rgb	The RGB image buffer
mono16	The monochrome 16 image buffer

Implements mediax::video::ColourSpace.

◆ RgbToMono8()

int mediax::video::ColourSpaceCpu::RgbToMono8	(	uint32_t	height,
		uint32_t	width,
		uint8_t *	rgb,
		uint8_t *	mono8
	)		const

finalvirtual

Convert RGB to Monochrome 8 bits ber pixel on the CPU.

Parameters

height	The height of the image
width	The width of the image
rgb	The RGB image buffer
mono8	The monochrome 8 image buffer

Implements mediax::video::ColourSpace.

◆ RgbToRgba()

int mediax::video::ColourSpaceCpu::RgbToRgba	(	uint32_t	width,
		uint32_t	height,
		uint8_t *	rgb,
		uint8_t *	rgba
	)		const

finalvirtual

Convert RGB to RGBA on the CPU.

Parameters

width	The height of the image
height	The width of the image
rgb	The RGB image buffer
rgba	The RGBA image buffer

Implements mediax::video::ColourSpace.

◆ RgbToYuv()

int mediax::video::ColourSpaceCpu::RgbToYuv	(	uint32_t	height,
		uint32_t	width,
		uint8_t *	rgb,
		uint8_t *	yuv
	)		const

finalvirtual

Convert YUV to RGBA on the CPU.

Parameters

height	The height of the image
width	The width of the image
rgb	The RGB image buffer
yuv	The YUV:422 image buffer

Implements mediax::video::ColourSpace.

◆ ScaleToSizeBgra()

int mediax::video::ColourSpaceCpu::ScaleToSizeBgra	(	uint32_t	source_height,
		uint32_t	source_width,
		uint8_t *	source_rgb_buffer,
		uint32_t	target_height,
		uint32_t	target_width,
		uint8_t *	target_bgra_buffer
	)		const

Scale the image to the target size.

Parameters

source_height	The height of the source image
source_width	The width of the source image
source_rgb_buffer	The source image buffer
target_height	The height of the target image
target_width	The width of the target image
target_bgra_buffer	The target image buffer

Returns: int

◆ ScaleToSizeRgb()

int mediax::video::ColourSpaceCpu::ScaleToSizeRgb	(	uint32_t	source_height,
		uint32_t	source_width,
		uint8_t *	source_rgb_buffer,
		uint32_t	target_height,
		uint32_t	target_width,
		uint8_t *	target_rgb_buffer
	)		const

finalvirtual

Scale the image to the target size.

Parameters

source_height	The height of the source image
source_width	The width of the source image
source_rgb_buffer	The source image buffer
target_height	The height of the target image
target_width	The width of the target image
target_rgb_buffer	The target image buffer

Implements mediax::video::ColourSpace.

◆ ScaleToSizeRgba()

int mediax::video::ColourSpaceCpu::ScaleToSizeRgba	(	uint32_t	source_height,
		uint32_t	source_width,
		uint8_t *	source_rgb_buffer,
		uint32_t	target_height,
		uint32_t	target_width,
		uint8_t *	target_rgba_buffer
	)		const

finalvirtual

Scale the image to the target size.

Parameters

source_height	The height of the source image
source_width	The width of the source image
source_rgb_buffer	The source image buffer
target_height	The height of the target image
target_width	The width of the target image
target_rgba_buffer	The target image buffer

Returns: int

Implements mediax::video::ColourSpace.

◆ Yuv420pToRgb()

int mediax::video::ColourSpaceCpu::Yuv420pToRgb	(	uint32_t	height,
		uint32_t	width,
		uint8_t *	yuv,
		uint8_t *	rgb
	)		const

finalvirtual

Convert YUV to RGBA on the CPU.

Parameters

height	The height of the image
width	The width of the image
yuv	The YUV:420p image buffer
rgb	The RGB image buffer

Implements mediax::video::ColourSpace.

◆ Yuv420ToRgba()

int mediax::video::ColourSpaceCpu::Yuv420ToRgba	(	uint32_t	height,
		uint32_t	width,
		uint8_t *	yuv420,
		uint8_t *	rgba
	)		const

finalvirtual

Convert YUV420P to RGBA on the CPU.

Parameters

height	The height of the image
width	The width of the image
yuv420	The YUV:420P image buffer
rgba	The RGBA image buffer

Implements mediax::video::ColourSpace.

◆ Yuv422ToRgba()

int mediax::video::ColourSpaceCpu::Yuv422ToRgba	(	uint32_t	height,
		uint32_t	width,
		uint8_t *	yuv422,
		uint8_t *	rgba
	)		const

finalvirtual

Convert YUV to RGBA on the CPU.

Parameters

height	The height of the image
width	The width of the image
yuv422	The YUV:422 image buffer
rgba	The RGBA image buffer

Implements mediax::video::ColourSpace.

◆ YuvToArgb()

int mediax::video::ColourSpaceCpu::YuvToArgb	(	uint32_t	height,
		uint32_t	width,
		uint8_t *	yuv,
		uint8_t *	argb
	)		const

Convert YUV to RGBA on the CPU.

Parameters

height
width
yuv
argb

Returns: int

◆ YuvToBgra()

int mediax::video::ColourSpaceCpu::YuvToBgra	(	uint32_t	height,
		uint32_t	width,
		uint8_t *	yuv,
		uint8_t *	bgra
	)		const

finalvirtual

Convert YUV to RGBA on the CPU.

Parameters

height	The height of the image
width	The width of the image
yuv	The YUV:422 image buffer
bgra	The BGRA image buffer

Implements mediax::video::ColourSpace.

◆ YuvToRgb()

int mediax::video::ColourSpaceCpu::YuvToRgb	(	uint32_t	height,
		uint32_t	width,
		uint8_t *	yuv,
		uint8_t *	rgb
	)		const

finalvirtual

Convert YUV to RGB on the CPU.

Parameters

height	The height of the image
width	The width of the image
yuv	The YUV:422 image buffer
rgb	The RGB image buffer

Implements mediax::video::ColourSpace.

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

src/utils/colourspace_cpu.h
src/utils/colourspace_cpu.cc

Public Member Functions

Detailed Description

Member Function Documentation

◆ Convert()

◆ Mono16ToBgra()

◆ Mono16ToRgb()

◆ Mono16ToRgba()

◆ Mono8ToBgra()

◆ Mono8ToRgb()

◆ Mono8ToRgba()

◆ Nv12ToBgra()

◆ Nv12ToRgb()

◆ RgbaToBgra()

◆ RgbaToRgb()

◆ RgbaToYuv()

◆ RgbToBgra()

◆ RgbToMono16()

◆ RgbToMono8()

◆ RgbToRgba()

◆ RgbToYuv()

◆ ScaleToSizeBgra()

◆ ScaleToSizeRgb()

◆ ScaleToSizeRgba()

◆ Yuv420pToRgb()

◆ Yuv420ToRgba()

◆ Yuv422ToRgba()

◆ YuvToArgb()

◆ YuvToBgra()

◆ YuvToRgb()