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Macros | Functions
snow_dwt.c File Reference
#include "libavutil/attributes.h"
#include "libavutil/avassert.h"
#include "libavutil/common.h"
#include "dsputil.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 int mirror (int v, int m)
 
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 ff_spatial_idwt_init (DWTCompose *cs, IDWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count)
 
static void ff_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, int line_size, int w, int h, int type)
 
static int w53_8_c (struct MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
 
static int w97_8_c (struct MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
 
static int w53_16_c (struct MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
 
static int w97_16_c (struct MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
 
int ff_w53_32_c (struct MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
 
int ff_w97_32_c (struct MpegEncContext *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
 
void ff_dsputil_init_dwt (DSPContext *c)
 
void ff_dwt_init (SnowDWTContext *c)
 

Macro Definition Documentation

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

Referenced by lift().

#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

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().

IDWTELEM* ff_slice_buffer_load_line ( slice_buffer *  buf,
int  line 
)

Definition at line 62 of file snow_dwt.c.

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().

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().

void ff_slice_buffer_destroy ( slice_buffer *  buf)

Definition at line 99 of file snow_dwt.c.

Referenced by decode_end(), and decode_frame().

static int mirror ( int  v,
int  m 
)
inlinestatic

Definition at line 110 of file snow_dwt.c.

Referenced by spatial_compose53i_buffered_init(), spatial_compose53i_dy(), spatial_compose53i_dy_buffered(), spatial_compose53i_init(), spatial_compose97i_buffered_init(), spatial_compose97i_dy(), spatial_compose97i_dy_buffered(), spatial_compose97i_init(), spatial_decompose53i(), and spatial_decompose97i().

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 120 of file snow_dwt.c.

Referenced by horizontal_decompose53i(), and horizontal_decompose97i().

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 150 of file snow_dwt.c.

Referenced by horizontal_decompose97i().

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

Definition at line 183 of file snow_dwt.c.

Referenced by spatial_decompose53i().

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

Definition at line 199 of file snow_dwt.c.

Referenced by spatial_decompose53i().

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

Definition at line 208 of file snow_dwt.c.

Referenced by spatial_decompose53i().

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

Definition at line 217 of file snow_dwt.c.

Referenced by ff_spatial_dwt().

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

Definition at line 243 of file snow_dwt.c.

Referenced by spatial_decompose97i().

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

Definition at line 253 of file snow_dwt.c.

Referenced by spatial_decompose97i().

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

Definition at line 262 of file snow_dwt.c.

Referenced by spatial_decompose97i().

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

Definition at line 271 of file snow_dwt.c.

Referenced by spatial_decompose97i().

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

Definition at line 281 of file snow_dwt.c.

Referenced by spatial_decompose97i().

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

Definition at line 290 of file snow_dwt.c.

Referenced by 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 324 of file snow_dwt.c.

Referenced by encode_frame(), and w_c().

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

Definition at line 345 of file snow_dwt.c.

Referenced by spatial_compose53i_dy(), and spatial_compose53i_dy_buffered().

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

Definition at line 370 of file snow_dwt.c.

Referenced by spatial_compose53i_dy(), and spatial_compose53i_dy_buffered().

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

Definition at line 379 of file snow_dwt.c.

Referenced by spatial_compose53i_dy(), and spatial_compose53i_dy_buffered().

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

Definition at line 388 of file snow_dwt.c.

Referenced by ff_spatial_idwt_buffered_init().

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

Definition at line 397 of file snow_dwt.c.

Referenced by ff_spatial_idwt_init().

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

Definition at line 405 of file snow_dwt.c.

Referenced by ff_spatial_idwt_buffered_slice().

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

Definition at line 445 of file snow_dwt.c.

Referenced by ff_spatial_idwt_slice().

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

Definition at line 470 of file snow_dwt.c.

Referenced by ff_dwt_init(), and spatial_compose97i_dy().

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

Definition at line 498 of file snow_dwt.c.

Referenced by spatial_compose97i_dy(), and spatial_compose97i_dy_buffered().

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

Definition at line 507 of file snow_dwt.c.

Referenced by spatial_compose97i_dy(), and spatial_compose97i_dy_buffered().

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

Definition at line 516 of file snow_dwt.c.

Referenced by spatial_compose97i_dy(), and spatial_compose97i_dy_buffered().

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

Definition at line 525 of file snow_dwt.c.

Referenced by spatial_compose97i_dy(), and spatial_compose97i_dy_buffered().

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

Definition at line 534 of file snow_dwt.c.

Referenced by ff_dwt_init().

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

Definition at line 548 of file snow_dwt.c.

Referenced by ff_spatial_idwt_buffered_init().

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

Definition at line 558 of file snow_dwt.c.

Referenced by ff_spatial_idwt_init().

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 568 of file snow_dwt.c.

Referenced by ff_spatial_idwt_buffered_slice().

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

Definition at line 611 of file snow_dwt.c.

Referenced by ff_spatial_idwt_slice().

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 644 of file snow_dwt.c.

Referenced by decode_frame().

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 663 of file snow_dwt.c.

Referenced by decode_frame().

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

Definition at line 692 of file snow_dwt.c.

Referenced by ff_spatial_idwt().

static void ff_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 711 of file snow_dwt.c.

Referenced by 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 736 of file snow_dwt.c.

Referenced by calculate_visual_weight(), and encode_frame().

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

Definition at line 748 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().

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

Definition at line 817 of file snow_dwt.c.

Referenced by ff_dsputil_init_dwt().

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

Definition at line 822 of file snow_dwt.c.

Referenced by ff_dsputil_init_dwt().

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

Definition at line 827 of file snow_dwt.c.

Referenced by ff_dsputil_init_dwt().

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

Definition at line 832 of file snow_dwt.c.

Referenced by ff_dsputil_init_dwt().

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

Definition at line 837 of file snow_dwt.c.

Referenced by get_block_rd().

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

Definition at line 842 of file snow_dwt.c.

Referenced by get_block_rd().

void ff_dsputil_init_dwt ( DSPContext *  c)

Definition at line 847 of file snow_dwt.c.

Referenced by ff_dsputil_init().

void ff_dwt_init ( SnowDWTContext *  c)

Definition at line 855 of file snow_dwt.c.

Referenced by mca().

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