Graphics::YUVToRGBManager Class Reference

#include <yuv_to_rgb.h>

Inheritance diagram for Graphics::YUVToRGBManager:

Collaboration diagram for Graphics::YUVToRGBManager:

Public Types
enum	LuminanceScale { kScaleFull, kScaleITU }
	The scale of the luminance values. More...

Public Member Functions
void	convert420 (LuminanceScale scale, byte *dst, int dstPitch, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch)
	Convert a YUV420 image to an RGBA surface. More...
void	convert420 (LuminanceScale scale, byte *dst, int dstPitch, const byte *ySrc, const byte *uSrc, const byte *vSrc, const byte *aSrc, int yWidth, int yHeight, int yPitch, int uvPitch)
	Convert a YUV420 image to an RGBA surface. More...

Private Member Functions
	YUVToRGBManager ()
	~YUVToRGBManager ()
const YUVToRGBLookup *	getLookup (LuminanceScale scale)

Private Attributes
Common::ScopedPtr< YUVToRGBLookup >	_lookup
int16	_colorTab [4 *256]

Friends
class	Common::Singleton< SingletonBaseType >

Additional Inherited Members
Static Public Member Functions inherited from Common::Singleton< YUVToRGBManager >
static YUVToRGBManager &	instance ()
static void	destroy ()
Protected Types inherited from Common::Singleton< YUVToRGBManager >
typedef YUVToRGBManager	SingletonBaseType
Protected Member Functions inherited from Common::Singleton< YUVToRGBManager >
	Singleton ()
virtual	~Singleton ()

Detailed Description

Definition at line 37 of file yuv_to_rgb.h.

Member Enumeration Documentation

LuminanceScale

enum Graphics::YUVToRGBManager::LuminanceScale

The scale of the luminance values.

Enumerator
kScaleFull
kScaleITU	Luminance values range from [0, 255]. Luminance values range from [16, 235], the range from ITU-R BT.601

Definition at line 40 of file yuv_to_rgb.h.

Constructor & Destructor Documentation

YUVToRGBManager()

Graphics::YUVToRGBManager::YUVToRGBManager ( )

private

Definition at line 161 of file yuv_to_rgb.cpp.

References _colorTab.

~YUVToRGBManager()

Graphics::YUVToRGBManager::~YUVToRGBManager ( )

private

Definition at line 181 of file yuv_to_rgb.cpp.

Member Function Documentation

convert420() [1/2]

void Graphics::YUVToRGBManager::convert420	(	LuminanceScale	scale,
		byte *	dst,
		int	dstPitch,
		const byte *	ySrc,
		const byte *	uSrc,
		const byte *	vSrc,
		int	yWidth,
		int	yHeight,
		int	yPitch,
		int	uvPitch
	)

Convert a YUV420 image to an RGBA surface.

Parameters

scale	the scale of the luminance values
dst	the destination surface
dstPitch	the pitch of the destination surface
ySrc	the source of the y component
uSrc	the source of the u component
vSrc	the source of the v component
yWidth	the width of the y surface (must be divisible by 2)
yHeight	the height of the y surface (must be divisible by 2)
yPitch	the pitch of the y surface
uvPitch	the pitch of the u and v surfaces

Definition at line 238 of file yuv_to_rgb.cpp.

References _colorTab, Graphics::YUVToRGBLookup::getRGBToPix(), PUT_PIXEL, and YUVToRGBMan.

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convert420() [2/2]

void Graphics::YUVToRGBManager::convert420	(	LuminanceScale	scale,
		byte *	dst,
		int	dstPitch,
		const byte *	ySrc,
		const byte *	uSrc,
		const byte *	vSrc,
		const byte *	aSrc,
		int	yWidth,
		int	yHeight,
		int	yPitch,
		int	uvPitch
	)

Convert a YUV420 image to an RGBA surface.

Parameters

scale	the scale of the luminance values
dst	the destination surface
dstPitch	the pitch of the destination surface
ySrc	the source of the y component
uSrc	the source of the u component
vSrc	the source of the v component
aSrc	the source of the a component
yWidth	the width of the y surface (must be divisible by 2)
yHeight	the height of the y surface (must be divisible by 2)
yPitch	the pitch of the y and a surfaces
uvPitch	the pitch of the u and v surfaces

Definition at line 199 of file yuv_to_rgb.cpp.

References _colorTab, Graphics::YUVToRGBLookup::getRGBToPix(), PUT_PIXEL, and YUVToRGBMan.

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getLookup()

const YUVToRGBLookup * Graphics::YUVToRGBManager::getLookup ( LuminanceScale  scale )

private

Definition at line 184 of file yuv_to_rgb.cpp.

References _lookup.

Friends And Related Function Documentation

Common::Singleton< SingletonBaseType >

friend class Common::Singleton< SingletonBaseType >

friend

Definition at line 79 of file yuv_to_rgb.h.

Member Data Documentation

_colorTab

int16 Graphics::YUVToRGBManager::_colorTab[4 *256]

private

Definition at line 86 of file yuv_to_rgb.h.

Referenced by convert420(), and YUVToRGBManager().

_lookup

Common::ScopedPtr<YUVToRGBLookup> Graphics::YUVToRGBManager::_lookup

private

Definition at line 85 of file yuv_to_rgb.h.

Referenced by getLookup().

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

• src/graphics/yuv_to_rgb.h
• src/graphics/yuv_to_rgb.cpp