hscale.c File Reference

#include "libavutil/mem.h"
#include "swscale_internal.h"

Go to the source code of this file.

Data Structures
struct	FilterContext
	Scaler instance data. More...
struct	ColorContext
	Color conversion instance data. More...

Functions
static int	lum_h_scale (SwsContext *c, SwsFilterDescriptor *desc, int sliceY, int sliceH)
static int	lum_convert (SwsContext *c, SwsFilterDescriptor *desc, int sliceY, int sliceH)
int	ff_init_desc_fmt_convert (SwsFilterDescriptor *desc, SwsSlice *src, SwsSlice *dst, uint32_t *pal)
	initializes lum pixel format conversion descriptor More...
int	ff_init_desc_hscale (SwsFilterDescriptor *desc, SwsSlice *src, SwsSlice *dst, uint16_t *filter, int *filter_pos, int filter_size, int xInc)
	initializes lum horizontal scaling descriptor More...
static int	chr_h_scale (SwsContext *c, SwsFilterDescriptor *desc, int sliceY, int sliceH)
static int	chr_convert (SwsContext *c, SwsFilterDescriptor *desc, int sliceY, int sliceH)
int	ff_init_desc_cfmt_convert (SwsFilterDescriptor *desc, SwsSlice *src, SwsSlice *dst, uint32_t *pal)
	initializes chr pixel format conversion descriptor More...
int	ff_init_desc_chscale (SwsFilterDescriptor *desc, SwsSlice *src, SwsSlice *dst, uint16_t *filter, int *filter_pos, int filter_size, int xInc)
	initializes chr horizontal scaling descriptor More...
static int	no_chr_scale (SwsContext *c, SwsFilterDescriptor *desc, int sliceY, int sliceH)
int	ff_init_desc_no_chr (SwsFilterDescriptor *desc, SwsSlice *src, SwsSlice *dst)

Function Documentation

lum_h_scale()

static int lum_h_scale ( SwsContext *  c, SwsFilterDescriptor *  desc, int  sliceY, int  sliceH  )

static

Definition at line 39 of file hscale.c.

Referenced by ff_init_desc_hscale().

lum_convert()

static int lum_convert ( SwsContext *  c, SwsFilterDescriptor *  desc, int  sliceY, int  sliceH  )

static

Definition at line 87 of file hscale.c.

Referenced by ff_init_desc_fmt_convert().

ff_init_desc_fmt_convert()

int ff_init_desc_fmt_convert	(	SwsFilterDescriptor *	desc,
		SwsSlice *	src,
		SwsSlice *	dst,
		uint32_t *	pal
	)

initializes lum pixel format conversion descriptor

Definition at line 128 of file hscale.c.

Referenced by ff_init_filters().

ff_init_desc_hscale()

int ff_init_desc_hscale	(	SwsFilterDescriptor *	desc,
		SwsSlice *	src,
		SwsSlice *	dst,
		uint16_t *	filter,
		int *	filter_pos,
		int	filter_size,
		int	xInc
	)

initializes lum horizontal scaling descriptor

Definition at line 145 of file hscale.c.

Referenced by ff_init_filters().

chr_h_scale()

static int chr_h_scale ( SwsContext *  c, SwsFilterDescriptor *  desc, int  sliceY, int  sliceH  )

static

Definition at line 167 of file hscale.c.

Referenced by ff_init_desc_chscale().

chr_convert()

static int chr_convert ( SwsContext *  c, SwsFilterDescriptor *  desc, int  sliceY, int  sliceH  )

static

Definition at line 203 of file hscale.c.

Referenced by ff_init_desc_cfmt_convert().

ff_init_desc_cfmt_convert()

int ff_init_desc_cfmt_convert	(	SwsFilterDescriptor *	desc,
		SwsSlice *	src,
		SwsSlice *	dst,
		uint32_t *	pal
	)

initializes chr pixel format conversion descriptor

Definition at line 236 of file hscale.c.

Referenced by ff_init_filters().

ff_init_desc_chscale()

int ff_init_desc_chscale	(	SwsFilterDescriptor *	desc,
		SwsSlice *	src,
		SwsSlice *	dst,
		uint16_t *	filter,
		int *	filter_pos,
		int	filter_size,
		int	xInc
	)

initializes chr horizontal scaling descriptor

Definition at line 251 of file hscale.c.

Referenced by ff_init_filters().

no_chr_scale()

static int no_chr_scale ( SwsContext *  c, SwsFilterDescriptor *  desc, int  sliceY, int  sliceH  )

static

Definition at line 273 of file hscale.c.

Referenced by ff_init_desc_no_chr().

ff_init_desc_no_chr()

int ff_init_desc_no_chr	(	SwsFilterDescriptor *	desc,
		SwsSlice *	src,
		SwsSlice *	dst
	)

Definition at line 282 of file hscale.c.

Referenced by ff_init_filters().