FFmpeg  4.0
Macros | Functions
diracdsp.c File Reference
#include "avcodec.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)   (dst) = (val)
 
#define OP_AVG(dst, val)   (dst) = (((dst) + (val) + 1)>>1)
 
#define op_scale1(x)   block[x] = av_clip_uint8( (block[x]*weight + (1<<(log2_denom-1))) >> log2_denom)
 
#define op_scale2(x)   dst[x] = av_clip_uint8( (src[x]*weights + dst[x]*weightd + (1<<(log2_denom-1))) >> log2_denom)
 
#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, int stride, int width, int height)
 
static void put_signed_rect_clamped_8bit_c (uint8_t *dst, int dst_stride, const uint8_t *_src, int src_stride, int width, int height)
 
static void add_rect_clamped_c (uint8_t *dst, const uint16_t *src, int stride, const int16_t *idwt, int 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)
src
#define src
Definition: vp8dsp.c:254
stride
int stride
Definition: mace.c:144

Definition at line 24 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], int 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; \
} \
}
WIDTH
#define WIDTH
Definition: c93.c:43
h
h
Definition: vp9dsp_template.c:2038
src
#define src
Definition: vp8dsp.c:254
stride
int stride
Definition: mace.c:144
uint8_t
uint8_t
Definition: audio_convert.c:194
s2
#define s2
Definition: regdef.h:39
s0
#define s0
Definition: regdef.h:37
w
uint8_t w
Definition: llviddspenc.c:38
s3
#define s3
Definition: regdef.h:40
s1
#define s1
Definition: regdef.h:38

Definition at line 52 of file diracdsp.c.

◆ OP_PUT

#define OP_PUT (   dst,
  val 
)    (dst) = (val)

Definition at line 75 of file diracdsp.c.

◆ OP_AVG

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

Definition at line 76 of file diracdsp.c.

◆ op_scale1

#define op_scale1 (   x)    block[x] = av_clip_uint8( (block[x]*weight + (1<<(log2_denom-1))) >> log2_denom)

Definition at line 85 of file diracdsp.c.

◆ op_scale2

#define op_scale2 (   x)    dst[x] = av_clip_uint8( (src[x]*weights + dst[x]*weightd + (1<<(log2_denom-1))) >> log2_denom)

Definition at line 86 of file diracdsp.c.

◆ DIRAC_WEIGHT

#define DIRAC_WEIGHT (   W)
Value:
static void weight_dirac_pixels ## W ## _c(uint8_t *block, int 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, int 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; \
} \
}
h
h
Definition: vp9dsp_template.c:2038
src
#define src
Definition: vp8dsp.c:254
stride
int stride
Definition: mace.c:144
block
static int16_t block[64]
Definition: dct.c:115
uint8_t
uint8_t
Definition: audio_convert.c:194
W
#define W(a, i, v)
Definition: jpegls.h:124
weight
static int weight(int i, int blen, int offset)
Definition: diracdec.c:1523

Definition at line 88 of file diracdsp.c.

◆ ADD_OBMC

#define ADD_OBMC (   xblen)
Value:
static void add_obmc ## xblen ## _c(uint16_t *dst, const uint8_t *src, int 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; \
} \
}
src
#define src
Definition: vp8dsp.c:254
stride
int stride
Definition: mace.c:144
uint8_t
uint8_t
Definition: audio_convert.c:194

Definition at line 117 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, int dst_stride, const uint8_t *_src, \
int src_stride, int width, int height) \
{ \
int x, y; \
uint16_t *dst = (uint16_t *)_dst; \
int32_t *src = (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; \
} \
}
src
#define src
Definition: vp8dsp.c:254
uint8_t
uint8_t
Definition: audio_convert.c:194
height
#define height
U
#define U(x)
Definition: vp56_arith.h:37
width
uint16_t width
Definition: gdv.c:47
int32_t
int32_t
Definition: audio_convert.c:194

Definition at line 153 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, sign, *src_r = (PX *)src, *dst_r = (PX *)dst; \
for (i = 0; i < tot_h; i++) { \
c = *src_r++; \
sign = FFSIGN(c)*(!!c); \
c = (FFABS(c)*(unsigned)qf + qs) >> 2; \
*dst_r++ = c*sign; \
} \
src += tot_h << (sizeof(PX) >> 1); \
dst += stride; \
} \
}
src
#define src
Definition: vp8dsp.c:254
stride
int stride
Definition: mace.c:144
uint8_t
uint8_t
Definition: audio_convert.c:194
FFSIGN
#define FFSIGN(a)
Definition: common.h:73
FFABS
#define FFABS(a)
Absolute value, Note, INT_MIN / INT64_MIN result in undefined behavior as they are not representable ...
Definition: common.h:72
c
static double c[64]
Definition: vsrc_mptestsrc.c:87

Definition at line 192 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
WIDTH
#define WIDTH
Definition: c93.c:43
c
static double c[64]
Definition: vsrc_mptestsrc.c:87

Definition at line 213 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,
int  stride,
int  width,
int  height 
)
static

Definition at line 30 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,
int  dst_stride,
const uint8_t *  _src,
int  src_stride,
int  width,
int  height 
)
static

Definition at line 137 of file diracdsp.c.

Referenced by ff_diracdsp_init().

◆ add_rect_clamped_c()

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

Definition at line 175 of file diracdsp.c.

Referenced by ff_diracdsp_init().

◆ ff_diracdsp_init()

av_cold void ff_diracdsp_init ( DiracDSPContext *  c)

Definition at line 219 of file diracdsp.c.

Referenced by dirac_decode_init().

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