snow_dwt.c File Reference

#include "libavutil/attributes.h"
#include "libavutil/avassert.h"
#include "libavutil/common.h"
#include "me_cmp.h"
#include "snow_dwt.h"

Go to the source code of this file.

Macros
#define	LIFT(src, ref, inv)   ((src) + ((inv) ? -(ref) : +(ref)))
#define	LIFTS(src, ref, inv)

Functions
int	ff_slice_buffer_init (slice_buffer *buf, int line_count, int max_allocated_lines, int line_width, IDWTELEM *base_buffer)
IDWTELEM *	ff_slice_buffer_load_line (slice_buffer *buf, int line)
void	ff_slice_buffer_release (slice_buffer *buf, int line)
void	ff_slice_buffer_flush (slice_buffer *buf)
void	ff_slice_buffer_destroy (slice_buffer *buf)
static av_always_inline void	lift (DWTELEM *dst, DWTELEM *src, DWTELEM *ref, int dst_step, int src_step, int ref_step, int width, int mul, int add, int shift, int highpass, int inverse)
static av_always_inline void	liftS (DWTELEM *dst, DWTELEM *src, DWTELEM *ref, int dst_step, int src_step, int ref_step, int width, int mul, int add, int shift, int highpass, int inverse)
static void	horizontal_decompose53i (DWTELEM *b, DWTELEM *temp, int width)
static void	vertical_decompose53iH0 (DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width)
static void	vertical_decompose53iL0 (DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width)
static void	spatial_decompose53i (DWTELEM *buffer, DWTELEM *temp, int width, int height, int stride)
static void	horizontal_decompose97i (DWTELEM *b, DWTELEM *temp, int width)
static void	vertical_decompose97iH0 (DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width)
static void	vertical_decompose97iH1 (DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width)
static void	vertical_decompose97iL0 (DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width)
static void	vertical_decompose97iL1 (DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width)
static void	spatial_decompose97i (DWTELEM *buffer, DWTELEM *temp, int width, int height, int stride)
void	ff_spatial_dwt (DWTELEM *buffer, DWTELEM *temp, int width, int height, int stride, int type, int decomposition_count)
static void	horizontal_compose53i (IDWTELEM *b, IDWTELEM *temp, int width)
static void	vertical_compose53iH0 (IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width)
static void	vertical_compose53iL0 (IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width)
static void	spatial_compose53i_buffered_init (DWTCompose *cs, slice_buffer *sb, int height, int stride_line)
static void	spatial_compose53i_init (DWTCompose *cs, IDWTELEM *buffer, int height, int stride)
static void	spatial_compose53i_dy_buffered (DWTCompose *cs, slice_buffer *sb, IDWTELEM *temp, int width, int height, int stride_line)
static void	spatial_compose53i_dy (DWTCompose *cs, IDWTELEM *buffer, IDWTELEM *temp, int width, int height, int stride)
void	ff_snow_horizontal_compose97i (IDWTELEM *b, IDWTELEM *temp, int width)
static void	vertical_compose97iH0 (IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width)
static void	vertical_compose97iH1 (IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width)
static void	vertical_compose97iL0 (IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width)
static void	vertical_compose97iL1 (IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width)
void	ff_snow_vertical_compose97i (IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, IDWTELEM *b5, int width)
static void	spatial_compose97i_buffered_init (DWTCompose *cs, slice_buffer *sb, int height, int stride_line)
static void	spatial_compose97i_init (DWTCompose *cs, IDWTELEM *buffer, int height, int stride)
static void	spatial_compose97i_dy_buffered (SnowDWTContext *dsp, DWTCompose *cs, slice_buffer *sb, IDWTELEM *temp, int width, int height, int stride_line)
static void	spatial_compose97i_dy (DWTCompose *cs, IDWTELEM *buffer, IDWTELEM *temp, int width, int height, int stride)
void	ff_spatial_idwt_buffered_init (DWTCompose *cs, slice_buffer *sb, int width, int height, int stride_line, int type, int decomposition_count)
void	ff_spatial_idwt_buffered_slice (SnowDWTContext *dsp, DWTCompose *cs, slice_buffer *slice_buf, IDWTELEM *temp, int width, int height, int stride_line, int type, int decomposition_count, int y)
static void	spatial_idwt_init (DWTCompose *cs, IDWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count)
static void	spatial_idwt_slice (DWTCompose *cs, IDWTELEM *buffer, IDWTELEM *temp, int width, int height, int stride, int type, int decomposition_count, int y)
void	ff_spatial_idwt (IDWTELEM *buffer, IDWTELEM *temp, int width, int height, int stride, int type, int decomposition_count)
static int	w_c (struct MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, ptrdiff_t line_size, int w, int h, int type)
static int	w53_8_c (struct MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, ptrdiff_t line_size, int h)
static int	w97_8_c (struct MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, ptrdiff_t line_size, int h)
static int	w53_16_c (struct MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, ptrdiff_t line_size, int h)
static int	w97_16_c (struct MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, ptrdiff_t line_size, int h)
int	ff_w53_32_c (struct MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, ptrdiff_t line_size, int h)
int	ff_w97_32_c (struct MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, ptrdiff_t line_size, int h)
av_cold void	ff_dsputil_init_dwt (MECmpContext *c)
av_cold void	ff_dwt_init (SnowDWTContext *c)

Macro Definition Documentation

LIFT

#define LIFT	(		src,
			ref,
			inv
	)		((src) + ((inv) ? -(ref) : +(ref)))

Referenced by lift().

LIFTS

#define LIFTS	(		src,
			ref,
			inv
	)

Value:

((inv) ? (src) + (((ref) + 4 * (src)) >> shift)                     \
           : -((-16 * (src) + (ref) + add /                             \
                4 + 1 + (5 << 25)) / (5 * 4) - (1 << 23)))

Referenced by liftS().

Function Documentation

ff_slice_buffer_init()

int ff_slice_buffer_init	(	slice_buffer *	buf,
		int	line_count,
		int	max_allocated_lines,
		int	line_width,
		IDWTELEM *	base_buffer
	)

Definition at line 28 of file snow_dwt.c.

Referenced by decode_frame().

ff_slice_buffer_load_line()

IDWTELEM* ff_slice_buffer_load_line	(	slice_buffer *	buf,
		int	line
	)

Definition at line 62 of file snow_dwt.c.

ff_slice_buffer_release()

void ff_slice_buffer_release	(	slice_buffer *	buf,
		int	line
	)

Definition at line 78 of file snow_dwt.c.

Referenced by decode_frame(), and ff_slice_buffer_flush().

ff_slice_buffer_flush()

void ff_slice_buffer_flush

(

slice_buffer *

buf

)

Definition at line 91 of file snow_dwt.c.

Referenced by decode_frame(), and ff_slice_buffer_destroy().

ff_slice_buffer_destroy()

void ff_slice_buffer_destroy

(

slice_buffer *

buf

)

Definition at line 103 of file snow_dwt.c.

Referenced by decode_end(), and decode_frame().

lift()

static av_always_inline void lift ( DWTELEM *  dst, DWTELEM *  src, DWTELEM *  ref, int  dst_step, int  src_step, int  ref_step, int  width, int  mul, int  add, int  shift, int  highpass, int  inverse  )

static

Definition at line 115 of file snow_dwt.c.

Referenced by horizontal_decompose53i(), and horizontal_decompose97i().

liftS()

static av_always_inline void liftS ( DWTELEM *  dst, DWTELEM *  src, DWTELEM *  ref, int  dst_step, int  src_step, int  ref_step, int  width, int  mul, int  add, int  shift, int  highpass, int  inverse  )

static

Definition at line 145 of file snow_dwt.c.

Referenced by horizontal_decompose97i().

horizontal_decompose53i()

static void horizontal_decompose53i ( DWTELEM *  b, DWTELEM *  temp, int  width  )

static

Definition at line 178 of file snow_dwt.c.

Referenced by spatial_decompose53i().

vertical_decompose53iH0()

static void vertical_decompose53iH0 ( DWTELEM *  b0, DWTELEM *  b1, DWTELEM *  b2, int  width  )

static

Definition at line 194 of file snow_dwt.c.

Referenced by spatial_decompose53i().

vertical_decompose53iL0()

static void vertical_decompose53iL0 ( DWTELEM *  b0, DWTELEM *  b1, DWTELEM *  b2, int  width  )

static

Definition at line 203 of file snow_dwt.c.

Referenced by spatial_decompose53i().

spatial_decompose53i()

static void spatial_decompose53i ( DWTELEM *  buffer, DWTELEM *  temp, int  width, int  height, int  stride  )

static

Definition at line 212 of file snow_dwt.c.

Referenced by ff_spatial_dwt().

horizontal_decompose97i()

static void horizontal_decompose97i ( DWTELEM *  b, DWTELEM *  temp, int  width  )

static

Definition at line 238 of file snow_dwt.c.

Referenced by spatial_decompose97i().

vertical_decompose97iH0()

static void vertical_decompose97iH0 ( DWTELEM *  b0, DWTELEM *  b1, DWTELEM *  b2, int  width  )

static

Definition at line 248 of file snow_dwt.c.

Referenced by spatial_decompose97i().

vertical_decompose97iH1()

static void vertical_decompose97iH1 ( DWTELEM *  b0, DWTELEM *  b1, DWTELEM *  b2, int  width  )

static

Definition at line 257 of file snow_dwt.c.

Referenced by spatial_decompose97i().

vertical_decompose97iL0()

static void vertical_decompose97iL0 ( DWTELEM *  b0, DWTELEM *  b1, DWTELEM *  b2, int  width  )

static

Definition at line 266 of file snow_dwt.c.

Referenced by spatial_decompose97i().

vertical_decompose97iL1()

static void vertical_decompose97iL1 ( DWTELEM *  b0, DWTELEM *  b1, DWTELEM *  b2, int  width  )

static

Definition at line 276 of file snow_dwt.c.

Referenced by spatial_decompose97i().

spatial_decompose97i()

static void spatial_decompose97i ( DWTELEM *  buffer, DWTELEM *  temp, int  width, int  height, int  stride  )

static

Definition at line 285 of file snow_dwt.c.

Referenced by ff_spatial_dwt().

ff_spatial_dwt()

void ff_spatial_dwt	(	DWTELEM *	buffer,
		DWTELEM *	temp,
		int	width,
		int	height,
		int	stride,
		int	type,
		int	decomposition_count
	)

Definition at line 319 of file snow_dwt.c.

Referenced by encode_frame(), main(), and w_c().

horizontal_compose53i()

static void horizontal_compose53i ( IDWTELEM *  b, IDWTELEM *  temp, int  width  )

static

Definition at line 340 of file snow_dwt.c.

Referenced by spatial_compose53i_dy(), and spatial_compose53i_dy_buffered().

vertical_compose53iH0()

static void vertical_compose53iH0 ( IDWTELEM *  b0, IDWTELEM *  b1, IDWTELEM *  b2, int  width  )

static

Definition at line 365 of file snow_dwt.c.

Referenced by spatial_compose53i_dy(), and spatial_compose53i_dy_buffered().

vertical_compose53iL0()

static void vertical_compose53iL0 ( IDWTELEM *  b0, IDWTELEM *  b1, IDWTELEM *  b2, int  width  )

static

Definition at line 374 of file snow_dwt.c.

Referenced by spatial_compose53i_dy(), and spatial_compose53i_dy_buffered().

spatial_compose53i_buffered_init()

static void spatial_compose53i_buffered_init ( DWTCompose *  cs, slice_buffer *  sb, int  height, int  stride_line  )

static

Definition at line 383 of file snow_dwt.c.

Referenced by ff_spatial_idwt_buffered_init().

spatial_compose53i_init()

static void spatial_compose53i_init ( DWTCompose *  cs, IDWTELEM *  buffer, int  height, int  stride  )

static

Definition at line 392 of file snow_dwt.c.

Referenced by spatial_idwt_init().

spatial_compose53i_dy_buffered()

static void spatial_compose53i_dy_buffered ( DWTCompose *  cs, slice_buffer *  sb, IDWTELEM *  temp, int  width, int  height, int  stride_line  )

static

Definition at line 400 of file snow_dwt.c.

Referenced by ff_spatial_idwt_buffered_slice().

spatial_compose53i_dy()

static void spatial_compose53i_dy ( DWTCompose *  cs, IDWTELEM *  buffer, IDWTELEM *  temp, int  width, int  height, int  stride  )

static

Definition at line 440 of file snow_dwt.c.

Referenced by spatial_idwt_slice().

ff_snow_horizontal_compose97i()

void ff_snow_horizontal_compose97i	(	IDWTELEM *	b,
		IDWTELEM *	temp,
		int	width
	)

Definition at line 465 of file snow_dwt.c.

Referenced by ff_dwt_init(), and spatial_compose97i_dy().

vertical_compose97iH0()

static void vertical_compose97iH0 ( IDWTELEM *  b0, IDWTELEM *  b1, IDWTELEM *  b2, int  width  )

static

Definition at line 493 of file snow_dwt.c.

Referenced by spatial_compose97i_dy(), and spatial_compose97i_dy_buffered().

vertical_compose97iH1()

static void vertical_compose97iH1 ( IDWTELEM *  b0, IDWTELEM *  b1, IDWTELEM *  b2, int  width  )

static

Definition at line 502 of file snow_dwt.c.

Referenced by spatial_compose97i_dy(), and spatial_compose97i_dy_buffered().

vertical_compose97iL0()

static void vertical_compose97iL0 ( IDWTELEM *  b0, IDWTELEM *  b1, IDWTELEM *  b2, int  width  )

static

Definition at line 511 of file snow_dwt.c.

Referenced by spatial_compose97i_dy(), and spatial_compose97i_dy_buffered().

vertical_compose97iL1()

static void vertical_compose97iL1 ( IDWTELEM *  b0, IDWTELEM *  b1, IDWTELEM *  b2, int  width  )

static

Definition at line 520 of file snow_dwt.c.

Referenced by spatial_compose97i_dy(), and spatial_compose97i_dy_buffered().

ff_snow_vertical_compose97i()

void ff_snow_vertical_compose97i	(	IDWTELEM *	b0,
		IDWTELEM *	b1,
		IDWTELEM *	b2,
		IDWTELEM *	b3,
		IDWTELEM *	b4,
		IDWTELEM *	b5,
		int	width
	)

Definition at line 529 of file snow_dwt.c.

Referenced by ff_dwt_init().

spatial_compose97i_buffered_init()

static void spatial_compose97i_buffered_init ( DWTCompose *  cs, slice_buffer *  sb, int  height, int  stride_line  )

static

Definition at line 543 of file snow_dwt.c.

Referenced by ff_spatial_idwt_buffered_init().

spatial_compose97i_init()

static void spatial_compose97i_init ( DWTCompose *  cs, IDWTELEM *  buffer, int  height, int  stride  )

static

Definition at line 553 of file snow_dwt.c.

Referenced by spatial_idwt_init().

spatial_compose97i_dy_buffered()

static void spatial_compose97i_dy_buffered ( SnowDWTContext *  dsp, DWTCompose *  cs, slice_buffer *  sb, IDWTELEM *  temp, int  width, int  height, int  stride_line  )

static

Definition at line 563 of file snow_dwt.c.

Referenced by ff_spatial_idwt_buffered_slice().

spatial_compose97i_dy()

static void spatial_compose97i_dy ( DWTCompose *  cs, IDWTELEM *  buffer, IDWTELEM *  temp, int  width, int  height, int  stride  )

static

Definition at line 606 of file snow_dwt.c.

Referenced by spatial_idwt_slice().

ff_spatial_idwt_buffered_init()

void ff_spatial_idwt_buffered_init	(	DWTCompose *	cs,
		slice_buffer *	sb,
		int	width,
		int	height,
		int	stride_line,
		int	type,
		int	decomposition_count
	)

Definition at line 639 of file snow_dwt.c.

Referenced by decode_frame().

ff_spatial_idwt_buffered_slice()

void ff_spatial_idwt_buffered_slice	(	SnowDWTContext *	dsp,
		DWTCompose *	cs,
		slice_buffer *	slice_buf,
		IDWTELEM *	temp,
		int	width,
		int	height,
		int	stride_line,
		int	type,
		int	decomposition_count,
		int	y
	)

Definition at line 658 of file snow_dwt.c.

Referenced by decode_frame().

spatial_idwt_init()

static void spatial_idwt_init ( DWTCompose *  cs, IDWTELEM *  buffer, int  width, int  height, int  stride, int  type, int  decomposition_count  )

static

Definition at line 687 of file snow_dwt.c.

Referenced by ff_spatial_idwt().

spatial_idwt_slice()

static void spatial_idwt_slice ( DWTCompose *  cs, IDWTELEM *  buffer, IDWTELEM *  temp, int  width, int  height, int  stride, int  type, int  decomposition_count, int  y  )

static

Definition at line 706 of file snow_dwt.c.

Referenced by ff_spatial_idwt().

ff_spatial_idwt()

void ff_spatial_idwt	(	IDWTELEM *	buffer,
		IDWTELEM *	temp,
		int	width,
		int	height,
		int	stride,
		int	type,
		int	decomposition_count
	)

Definition at line 731 of file snow_dwt.c.

Referenced by calculate_visual_weight(), encode_frame(), and main().

w_c()

static int w_c ( struct MpegEncContext *  v, uint8_t *  pix1, uint8_t *  pix2, ptrdiff_t  line_size, int  w, int  h, int  type  )

inlinestatic

Definition at line 743 of file snow_dwt.c.

Referenced by ff_w53_32_c(), ff_w97_32_c(), w53_16_c(), w53_8_c(), w97_16_c(), and w97_8_c().

w53_8_c()

static int w53_8_c ( struct MpegEncContext *  v, uint8_t *  pix1, uint8_t *  pix2, ptrdiff_t  line_size, int  h  )

static

Definition at line 812 of file snow_dwt.c.

Referenced by ff_dsputil_init_dwt().

w97_8_c()

static int w97_8_c ( struct MpegEncContext *  v, uint8_t *  pix1, uint8_t *  pix2, ptrdiff_t  line_size, int  h  )

static

Definition at line 817 of file snow_dwt.c.

Referenced by ff_dsputil_init_dwt().

w53_16_c()

static int w53_16_c ( struct MpegEncContext *  v, uint8_t *  pix1, uint8_t *  pix2, ptrdiff_t  line_size, int  h  )

static

Definition at line 822 of file snow_dwt.c.

Referenced by ff_dsputil_init_dwt().

w97_16_c()

static int w97_16_c ( struct MpegEncContext *  v, uint8_t *  pix1, uint8_t *  pix2, ptrdiff_t  line_size, int  h  )

static

Definition at line 827 of file snow_dwt.c.

Referenced by ff_dsputil_init_dwt().

ff_w53_32_c()

int ff_w53_32_c	(	struct MpegEncContext *	v,
		uint8_t *	pix1,
		uint8_t *	pix2,
		ptrdiff_t	line_size,
		int	h
	)

Definition at line 832 of file snow_dwt.c.

Referenced by get_block_rd().

ff_w97_32_c()

int ff_w97_32_c	(	struct MpegEncContext *	v,
		uint8_t *	pix1,
		uint8_t *	pix2,
		ptrdiff_t	line_size,
		int	h
	)

Definition at line 837 of file snow_dwt.c.

Referenced by get_block_rd().

ff_dsputil_init_dwt()

av_cold void ff_dsputil_init_dwt

(

MECmpContext *

c

)

Definition at line 842 of file snow_dwt.c.

Referenced by ff_me_cmp_init().

ff_dwt_init()

av_cold void ff_dwt_init

(

SnowDWTContext *

c

)

Definition at line 850 of file snow_dwt.c.

Referenced by mca().