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Macros | Functions
diracdsp.c File Reference
#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/common.h"
#include "diracdsp.h"

Go to the source code of this file.

Macros

#define FILTER(src, stride)
 
#define PIXOP_BILINEAR(PFX, OP, WIDTH)
 
#define OP_PUT(dst, val)
 
#define OP_AVG(dst, val)
 
#define op_scale1(x)
 
#define op_scale2(x)
 
#define DIRAC_WEIGHT(W)
 
#define ADD_OBMC(xblen)
 
#define PUT_SIGNED_RECT_CLAMPED(PX)
 
#define DEQUANT_SUBBAND(PX)
 
#define PIXFUNC(PFX, WIDTH)
 

Functions

static void dirac_hpel_filter (uint8_t *dsth, uint8_t *dstv, uint8_t *dstc, const uint8_t *src, ptrdiff_t stride, int width, int height)
 
static void put_signed_rect_clamped_8bit_c (uint8_t *dst, ptrdiff_t dst_stride, const uint8_t *_src, ptrdiff_t src_stride, int width, int height)
 
static void add_rect_clamped_c (uint8_t *dst, const uint16_t *src, ptrdiff_t stride, const int16_t *idwt, ptrdiff_t idwt_stride, int width, int height)
 
av_cold void ff_diracdsp_init (DiracDSPContext *c)
 

Macro Definition Documentation

◆ FILTER

#define FILTER ( src,
stride )
Value:
((21*((src)[ 0*stride] + (src)[1*stride]) \
-7*((src)[-1*stride] + (src)[2*stride]) \
+3*((src)[-2*stride] + (src)[3*stride]) \
-1*((src)[-3*stride] + (src)[4*stride]) + 16) >> 5)
stride
#define stride
Definition h264pred_template.c:536
src
#define src
Definition vp8dsp.c:248

Definition at line 26 of file diracdsp.c.

Referenced by dirac_hpel_filter().

◆ PIXOP_BILINEAR

#define PIXOP_BILINEAR ( PFX,
OP,
WIDTH )
Value:
static void ff_ ## PFX ## _dirac_pixels ## WIDTH ## _bilinear_c(uint8_t *dst, const uint8_t *src[5], ptrdiff_t stride, int h) \
{ \
int x; \
const uint8_t *s0 = src[0]; \
const uint8_t *s1 = src[1]; \
const uint8_t *s2 = src[2]; \
const uint8_t *s3 = src[3]; \
const uint8_t *w = src[4]; \
\
while (h--) { \
for (x = 0; x < WIDTH; x++) { \
OP(dst[x], (s0[x]*w[0] + s1[x]*w[1] + s2[x]*w[2] + s3[x]*w[3] + 8) >> 4); \
} \
\
dst += stride; \
s0 += stride; \
s1 += stride; \
s2 += stride; \
s3 += stride; \
} \
}
dst
uint8_t ptrdiff_t const uint8_t ptrdiff_t int intptr_t intptr_t int int16_t * dst
Definition dsp.h:87
WIDTH
#define WIDTH
Definition c93.c:45
w
uint8_t w
Definition llvidencdsp.c:39
h
h
Definition vp9dsp_template.c:2070

Definition at line 54 of file diracdsp.c.

◆ OP_PUT

#define OP_PUT ( dst,
val )
Value:
(dst) = (val)
val
static double val(void *priv, double ch)
Definition aeval.c:77

Definition at line 77 of file diracdsp.c.

◆ OP_AVG

#define OP_AVG ( dst,
val )
Value:
(dst) = (((dst) + (val) + 1)>>1)

Definition at line 78 of file diracdsp.c.

Referenced by ff_png_filter_row().

◆ op_scale1

#define op_scale1 ( x)
Value:
block[x] = av_clip_uint8( (block[x]*weight + (1<<(log2_denom-1))) >> log2_denom)
av_clip_uint8
#define av_clip_uint8
Definition common.h:106
block
static int16_t block[64]
Definition dct.c:125
weight
const h264_weight_func weight
Definition h264dsp_init.c:33

Definition at line 87 of file diracdsp.c.

◆ op_scale2

#define op_scale2 ( x)
Value:
dst[x] = av_clip_uint8( (src[x]*weights + dst[x]*weightd + (1<<(log2_denom-1))) >> log2_denom)
weights
static const int weights[]
Definition hevc_pel.c:32

Definition at line 88 of file diracdsp.c.

◆ DIRAC_WEIGHT

#define DIRAC_WEIGHT ( W)
Value:
static void weight_dirac_pixels ## W ## _c(uint8_t *block, ptrdiff_t stride, \
int log2_denom, int weight, int h) \
{ \
int x; \
while (h--) { \
for (x = 0; x < W; x++) { \
op_scale1(x); \
op_scale1(x+1); \
} \
block += stride; \
} \
} \
static void biweight_dirac_pixels ## W ## _c(uint8_t *dst, const uint8_t *src, \
ptrdiff_t stride, int log2_denom, \
int weightd, int weights, int h) { \
int x; \
while (h--) { \
for (x = 0; x < W; x++) { \
op_scale2(x); \
op_scale2(x+1); \
} \
dst += stride; \
src += stride; \
} \
}
W
#define W(a, i, v)
Definition jpegls.h:119

Definition at line 90 of file diracdsp.c.

◆ ADD_OBMC

#define ADD_OBMC ( xblen)
Value:
static void add_obmc ## xblen ## _c(uint16_t *dst, const uint8_t *src, ptrdiff_t stride, \
const uint8_t *obmc_weight, int yblen) \
{ \
int x; \
while (yblen--) { \
for (x = 0; x < xblen; x += 2) { \
dst[x ] += src[x ] * obmc_weight[x ]; \
dst[x+1] += src[x+1] * obmc_weight[x+1]; \
} \
dst += stride; \
src += stride; \
obmc_weight += 32; \
} \
}

Definition at line 121 of file diracdsp.c.

◆ PUT_SIGNED_RECT_CLAMPED

#define PUT_SIGNED_RECT_CLAMPED ( PX)
Value:
static void put_signed_rect_clamped_ ## PX ## bit_c(uint8_t *_dst, ptrdiff_t dst_stride, \
const uint8_t *_src, ptrdiff_t src_stride, \
int width, int height) \
{ \
int x, y; \
uint16_t *dst = (uint16_t *)_dst; \
const int32_t *src = (const int32_t *)_src; \
for (y = 0; y < height; y++) { \
for (x = 0; x < width; x+=4) { \
dst[x ] = av_clip_uintp2(src[x ] + (1U << (PX - 1)), PX); \
dst[x+1] = av_clip_uintp2(src[x+1] + (1U << (PX - 1)), PX); \
dst[x+2] = av_clip_uintp2(src[x+2] + (1U << (PX - 1)), PX); \
dst[x+3] = av_clip_uintp2(src[x+3] + (1U << (PX - 1)), PX); \
} \
dst += dst_stride >> 1; \
src += src_stride >> 2; \
} \
}
_dst
uint8_t * _dst
Definition dsp.h:56
_src
uint8_t ptrdiff_t const uint8_t * _src
Definition dsp.h:56
int32_t
int32_t
Definition audioconvert.c:56
av_clip_uintp2
#define av_clip_uintp2
Definition common.h:124
height
#define height
Definition dsp.h:89
width
#define width
Definition dsp.h:89

Definition at line 159 of file diracdsp.c.

◆ DEQUANT_SUBBAND

#define DEQUANT_SUBBAND ( PX)
Value:
static void dequant_subband_ ## PX ## _c(uint8_t *src, uint8_t *dst, ptrdiff_t stride, \
const int qf, const int qs, int tot_v, int tot_h) \
{ \
int i, y; \
for (y = 0; y < tot_v; y++) { \
PX c, *src_r = (PX *)src, *dst_r = (PX *)dst; \
for (i = 0; i < tot_h; i++) { \
c = *src_r++; \
if (c < 0) c = -((-(unsigned)c*qf + qs) >> 2); \
else if(c > 0) c = (( (unsigned)c*qf + qs) >> 2); \
*dst_r++ = c; \
} \
src += tot_h << (sizeof(PX) >> 1); \
dst += stride; \
} \
}
i
#define i(width, name, range_min, range_max)
Definition cbs_h264.c:63
else
else
Definition h264pred_template.c:438
if
if(svq3)
Definition h264pred_template.c:429
c
static double c[64]
Definition vsrc_mptestsrc.c:89

Definition at line 199 of file diracdsp.c.

◆ PIXFUNC

#define PIXFUNC ( PFX,
WIDTH )
Value:
c->PFX ## _dirac_pixels_tab[WIDTH>>4][0] = ff_ ## PFX ## _dirac_pixels ## WIDTH ## _c; \
c->PFX ## _dirac_pixels_tab[WIDTH>>4][1] = ff_ ## PFX ## _dirac_pixels ## WIDTH ## _l2_c; \
c->PFX ## _dirac_pixels_tab[WIDTH>>4][2] = ff_ ## PFX ## _dirac_pixels ## WIDTH ## _l4_c; \
c->PFX ## _dirac_pixels_tab[WIDTH>>4][3] = ff_ ## PFX ## _dirac_pixels ## WIDTH ## _bilinear_c

Definition at line 220 of file diracdsp.c.

Referenced by ff_diracdsp_init().

Function Documentation

◆ dirac_hpel_filter()

static void dirac_hpel_filter ( uint8_t * dsth,
uint8_t * dstv,
uint8_t * dstc,
const uint8_t * src,
ptrdiff_t stride,
int width,
int height )
static

Definition at line 32 of file diracdsp.c.

Referenced by ff_diracdsp_init().

◆ put_signed_rect_clamped_8bit_c()

static void put_signed_rect_clamped_8bit_c ( uint8_t * dst,
ptrdiff_t dst_stride,
const uint8_t * _src,
ptrdiff_t src_stride,
int width,
int height )
static

Definition at line 141 of file diracdsp.c.

Referenced by ff_diracdsp_init(), and put_signed_rect_clamped_8bit_c().

◆ add_rect_clamped_c()

static void add_rect_clamped_c ( uint8_t * dst,
const uint16_t * src,
ptrdiff_t stride,
const int16_t * idwt,
ptrdiff_t idwt_stride,
int width,
int height )
static

Definition at line 182 of file diracdsp.c.

Referenced by add_rect_clamped_c(), and ff_diracdsp_init().

◆ ff_diracdsp_init()

av_cold void ff_diracdsp_init ( DiracDSPContext * c)

Definition at line 226 of file diracdsp.c.

Referenced by check_add_obmc(), and dirac_decode_init().

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