FFmpeg
Macros | Functions
vc1dsp.c File Reference
#include "libavutil/avassert.h"
#include "libavutil/common.h"
#include "libavutil/intreadwrite.h"
#include "h264chroma.h"
#include "qpeldsp.h"
#include "rnd_avg.h"
#include "vc1dsp.h"
#include "startcode.h"

Go to the source code of this file.

Macros

#define VC1_MSPEL_FILTER_16B(DIR, TYPE)
 
#define VC1_MSPEL_MC(OP, OP4, OPNAME)
 
#define op_put(a, b)   (a) = av_clip_uint8(b)
 
#define op_avg(a, b)   (a) = ((a) + av_clip_uint8(b) + 1) >> 1
 
#define op4_avg(a, b)   (a) = rnd_avg32(a, b)
 
#define op4_put(a, b)   (a) = (b)
 
#define PUT_VC1_MSPEL(a, b)
 
#define chroma_mc(a)
 
#define avg2(a, b)   (((a) + (b) + 1) >> 1)
 
#define FN_ASSIGN(X, Y)
 

Functions

static void vc1_v_overlap_c (uint8_t *src, int stride)
 
static void vc1_h_overlap_c (uint8_t *src, int stride)
 
static void vc1_v_s_overlap_c (int16_t *top, int16_t *bottom)
 
static void vc1_h_s_overlap_c (int16_t *left, int16_t *right, int left_stride, int right_stride, int flags)
 
static av_always_inline int vc1_filter_line (uint8_t *src, int stride, int pq)
 VC-1 in-loop deblocking filter for one line. More...
 
static void vc1_loop_filter (uint8_t *src, int step, int stride, int len, int pq)
 VC-1 in-loop deblocking filter. More...
 
static void vc1_v_loop_filter4_c (uint8_t *src, int stride, int pq)
 
static void vc1_h_loop_filter4_c (uint8_t *src, int stride, int pq)
 
static void vc1_v_loop_filter8_c (uint8_t *src, int stride, int pq)
 
static void vc1_h_loop_filter8_c (uint8_t *src, int stride, int pq)
 
static void vc1_v_loop_filter16_c (uint8_t *src, int stride, int pq)
 
static void vc1_h_loop_filter16_c (uint8_t *src, int stride, int pq)
 
static void vc1_inv_trans_8x8_dc_c (uint8_t *dest, ptrdiff_t stride, int16_t *block)
 
static void vc1_inv_trans_8x8_c (int16_t block[64])
 
static void vc1_inv_trans_8x4_dc_c (uint8_t *dest, ptrdiff_t stride, int16_t *block)
 
static void vc1_inv_trans_8x4_c (uint8_t *dest, ptrdiff_t stride, int16_t *block)
 
static void vc1_inv_trans_4x8_dc_c (uint8_t *dest, ptrdiff_t stride, int16_t *block)
 
static void vc1_inv_trans_4x8_c (uint8_t *dest, ptrdiff_t stride, int16_t *block)
 
static void vc1_inv_trans_4x4_dc_c (uint8_t *dest, ptrdiff_t stride, int16_t *block)
 
static void vc1_inv_trans_4x4_c (uint8_t *dest, ptrdiff_t stride, int16_t *block)
 
static av_always_inline int vc1_mspel_filter (const uint8_t *src, int stride, int mode, int r)
 
static void put_no_rnd_vc1_chroma_mc8_c (uint8_t *dst, uint8_t *src, ptrdiff_t stride, int h, int x, int y)
 
static void put_no_rnd_vc1_chroma_mc4_c (uint8_t *dst, uint8_t *src, ptrdiff_t stride, int h, int x, int y)
 
static void avg_no_rnd_vc1_chroma_mc8_c (uint8_t *dst, uint8_t *src, ptrdiff_t stride, int h, int x, int y)
 
static void avg_no_rnd_vc1_chroma_mc4_c (uint8_t *dst, uint8_t *src, ptrdiff_t stride, int h, int x, int y)
 
av_cold void ff_vc1dsp_init (VC1DSPContext *dsp)
 

Detailed Description

VC-1 and WMV3 decoder

Definition in file vc1dsp.c.

Macro Definition Documentation

◆ VC1_MSPEL_FILTER_16B

#define VC1_MSPEL_FILTER_16B (   DIR,
  TYPE 
)
Value:
static av_always_inline int vc1_mspel_ ## DIR ## _filter_16bits(const TYPE *src, \
int stride, \
int mode) \
{ \
switch(mode) { \
case 0: /* no shift - should not occur */ \
return 0; \
case 1: /* 1/4 shift */ \
return -4 * src[-stride] + 53 * src[0] + \
18 * src[stride] - 3 * src[stride * 2]; \
case 2: /* 1/2 shift */ \
return -1 * src[-stride] + 9 * src[0] + \
9 * src[stride] - 1 * src[stride * 2]; \
case 3: /* 3/4 shift */ \
return -3 * src[-stride] + 18 * src[0] + \
53 * src[stride] - 4 * src[stride * 2]; \
} \
return 0; /* should not occur */ \
}

Definition at line 545 of file vc1dsp.c.

◆ VC1_MSPEL_MC

#define VC1_MSPEL_MC (   OP,
  OP4,
  OPNAME 
)

Definition at line 590 of file vc1dsp.c.

◆ op_put

#define op_put (   a,
  b 
)    (a) = av_clip_uint8(b)

Definition at line 728 of file vc1dsp.c.

◆ op_avg

#define op_avg (   a,
  b 
)    (a) = ((a) + av_clip_uint8(b) + 1) >> 1

Definition at line 729 of file vc1dsp.c.

◆ op4_avg

#define op4_avg (   a,
  b 
)    (a) = rnd_avg32(a, b)

Definition at line 730 of file vc1dsp.c.

◆ op4_put

#define op4_put (   a,
  b 
)    (a) = (b)

Definition at line 731 of file vc1dsp.c.

◆ PUT_VC1_MSPEL

#define PUT_VC1_MSPEL (   a,
  b 
)
Value:
static void put_vc1_mspel_mc ## a ## b ## _c(uint8_t *dst, \
const uint8_t *src, \
ptrdiff_t stride, int rnd) \
{ \
put_vc1_mspel_mc(dst, src, stride, a, b, rnd); \
} \
static void avg_vc1_mspel_mc ## a ## b ## _c(uint8_t *dst, \
const uint8_t *src, \
ptrdiff_t stride, int rnd) \
{ \
avg_vc1_mspel_mc(dst, src, stride, a, b, rnd); \
} \
static void put_vc1_mspel_mc ## a ## b ## _16_c(uint8_t *dst, \
const uint8_t *src, \
ptrdiff_t stride, int rnd) \
{ \
put_vc1_mspel_mc_16(dst, src, stride, a, b, rnd); \
} \
static void avg_vc1_mspel_mc ## a ## b ## _16_c(uint8_t *dst, \
const uint8_t *src, \
ptrdiff_t stride, int rnd) \
{ \
avg_vc1_mspel_mc_16(dst, src, stride, a, b, rnd); \
}

Definition at line 738 of file vc1dsp.c.

◆ chroma_mc

#define chroma_mc (   a)
Value:
((A * src[a] + B * src[a + 1] + \
C * src[stride + a] + D * src[stride + a + 1] + 32 - 4) >> 6)

Definition at line 783 of file vc1dsp.c.

◆ avg2

#define avg2 (   a,
  b 
)    (((a) + (b) + 1) >> 1)

Definition at line 833 of file vc1dsp.c.

◆ FN_ASSIGN

#define FN_ASSIGN (   X,
  Y 
)
Value:
dsp->put_vc1_mspel_pixels_tab[1][X+4*Y] = put_vc1_mspel_mc##X##Y##_c; \
dsp->put_vc1_mspel_pixels_tab[0][X+4*Y] = put_vc1_mspel_mc##X##Y##_16_c; \
dsp->avg_vc1_mspel_pixels_tab[1][X+4*Y] = avg_vc1_mspel_mc##X##Y##_c; \
dsp->avg_vc1_mspel_pixels_tab[0][X+4*Y] = avg_vc1_mspel_mc##X##Y##_16_c

Definition at line 965 of file vc1dsp.c.

Function Documentation

◆ vc1_v_overlap_c()

static void vc1_v_overlap_c ( uint8_t src,
int  stride 
)
static

Definition at line 37 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_h_overlap_c()

static void vc1_h_overlap_c ( uint8_t src,
int  stride 
)
static

Definition at line 61 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_v_s_overlap_c()

static void vc1_v_s_overlap_c ( int16_t *  top,
int16_t *  bottom 
)
static

Definition at line 84 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_h_s_overlap_c()

static void vc1_h_s_overlap_c ( int16_t *  left,
int16_t *  right,
int  left_stride,
int  right_stride,
int  flags 
)
static

Definition at line 110 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_filter_line()

static av_always_inline int vc1_filter_line ( uint8_t src,
int  stride,
int  pq 
)
static

VC-1 in-loop deblocking filter for one line.

Parameters
srcsource block type
strideblock stride
pqblock quantizer
Returns
whether other 3 pairs should be filtered or not
See also
8.6

Definition at line 147 of file vc1dsp.c.

Referenced by vc1_loop_filter().

◆ vc1_loop_filter()

static void vc1_loop_filter ( uint8_t src,
int  step,
int  stride,
int  len,
int  pq 
)
inlinestatic

VC-1 in-loop deblocking filter.

Parameters
srcsource block type
stepdistance between horizontally adjacent elements
stridedistance between vertically adjacent elements
lenedge length to filter (4 or 8 pixels)
pqblock quantizer
See also
8.6

Definition at line 196 of file vc1dsp.c.

Referenced by vc1_h_loop_filter16_c(), vc1_h_loop_filter4_c(), vc1_h_loop_filter8_c(), vc1_v_loop_filter16_c(), vc1_v_loop_filter4_c(), and vc1_v_loop_filter8_c().

◆ vc1_v_loop_filter4_c()

static void vc1_v_loop_filter4_c ( uint8_t src,
int  stride,
int  pq 
)
static

Definition at line 213 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_h_loop_filter4_c()

static void vc1_h_loop_filter4_c ( uint8_t src,
int  stride,
int  pq 
)
static

Definition at line 218 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_v_loop_filter8_c()

static void vc1_v_loop_filter8_c ( uint8_t src,
int  stride,
int  pq 
)
static

Definition at line 223 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_h_loop_filter8_c()

static void vc1_h_loop_filter8_c ( uint8_t src,
int  stride,
int  pq 
)
static

Definition at line 228 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_v_loop_filter16_c()

static void vc1_v_loop_filter16_c ( uint8_t src,
int  stride,
int  pq 
)
static

Definition at line 233 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_h_loop_filter16_c()

static void vc1_h_loop_filter16_c ( uint8_t src,
int  stride,
int  pq 
)
static

Definition at line 238 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_inv_trans_8x8_dc_c()

static void vc1_inv_trans_8x8_dc_c ( uint8_t dest,
ptrdiff_t  stride,
int16_t *  block 
)
static

Definition at line 244 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_inv_trans_8x8_c()

static void vc1_inv_trans_8x8_c ( int16_t  block[64])
static

Definition at line 265 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_inv_trans_8x4_dc_c()

static void vc1_inv_trans_8x4_dc_c ( uint8_t dest,
ptrdiff_t  stride,
int16_t *  block 
)
static

Definition at line 335 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_inv_trans_8x4_c()

static void vc1_inv_trans_8x4_c ( uint8_t dest,
ptrdiff_t  stride,
int16_t *  block 
)
static

Definition at line 356 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_inv_trans_4x8_dc_c()

static void vc1_inv_trans_4x8_dc_c ( uint8_t dest,
ptrdiff_t  stride,
int16_t *  block 
)
static

Definition at line 412 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_inv_trans_4x8_c()

static void vc1_inv_trans_4x8_c ( uint8_t dest,
ptrdiff_t  stride,
int16_t *  block 
)
static

Definition at line 429 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_inv_trans_4x4_dc_c()

static void vc1_inv_trans_4x4_dc_c ( uint8_t dest,
ptrdiff_t  stride,
int16_t *  block 
)
static

Definition at line 485 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_inv_trans_4x4_c()

static void vc1_inv_trans_4x4_c ( uint8_t dest,
ptrdiff_t  stride,
int16_t *  block 
)
static

Definition at line 502 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ vc1_mspel_filter()

static av_always_inline int vc1_mspel_filter ( const uint8_t src,
int  stride,
int  mode,
int  r 
)
static

Definition at line 570 of file vc1dsp.c.

◆ put_no_rnd_vc1_chroma_mc8_c()

static void put_no_rnd_vc1_chroma_mc8_c ( uint8_t dst,
uint8_t src,
ptrdiff_t  stride,
int  h,
int  x,
int  y 
)
static

Definition at line 786 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ put_no_rnd_vc1_chroma_mc4_c()

static void put_no_rnd_vc1_chroma_mc4_c ( uint8_t dst,
uint8_t src,
ptrdiff_t  stride,
int  h,
int  x,
int  y 
)
static

Definition at line 812 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ avg_no_rnd_vc1_chroma_mc8_c()

static void avg_no_rnd_vc1_chroma_mc8_c ( uint8_t dst,
uint8_t src,
ptrdiff_t  stride,
int  h,
int  x,
int  y 
)
static

Definition at line 834 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ avg_no_rnd_vc1_chroma_mc4_c()

static void avg_no_rnd_vc1_chroma_mc4_c ( uint8_t dst,
uint8_t src,
ptrdiff_t  stride,
int  h,
int  x,
int  y 
)
static

Definition at line 860 of file vc1dsp.c.

Referenced by ff_vc1dsp_init().

◆ ff_vc1dsp_init()

av_cold void ff_vc1dsp_init ( VC1DSPContext dsp)

Definition at line 971 of file vc1dsp.c.

Referenced by ff_vc1_init_common().

stride
int stride
Definition: mace.c:144
X
@ X
Definition: vf_addroi.c:26
b
#define b
Definition: input.c:41
D
D(D(float, sse)
Definition: rematrix_init.c:29
A
#define A(x)
Definition: vp56_arith.h:28
rnd
#define rnd()
Definition: checkasm.h:117
src
#define src
Definition: vp8dsp.c:255
TYPE
#define TYPE
Definition: ffv1.h:195
a
The reader does not expect b to be semantically here and if the code is changed by maybe adding a a division or other the signedness will almost certainly be mistaken To avoid this confusion a new type was SUINT is the C unsigned type but it holds a signed int to use the same example SUINT a
Definition: undefined.txt:41
Y
#define Y
Definition: boxblur.h:38
av_always_inline
#define av_always_inline
Definition: attributes.h:49
uint8_t
uint8_t
Definition: audio_convert.c:194
B
#define B
Definition: huffyuvdsp.h:32
mode
mode
Definition: ebur128.h:83