FFmpeg
Macros | Typedefs | Functions | Variables
vp9dsp.c File Reference
#include <math.h>
#include <string.h>
#include "checkasm.h"
#include "libavcodec/vp9data.h"
#include "libavcodec/vp9.h"
#include "libavutil/common.h"
#include "libavutil/emms.h"
#include "libavutil/internal.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/mathematics.h"
#include "libavutil/mem_internal.h"

Go to the source code of this file.

Macros

#define SIZEOF_PIXEL   ((bit_depth + 7) / 8)
 
#define randomize_buffers()
 
#define randomize_buffers()
 
#define SIZEOF_COEF   (2 * ((bit_depth + 7) / 8))
 
#define setpx(a, b, c)
 
#define setdx(a, b, c, d)   setpx(a,b,c-(d)+(rnd()%((d)*2+1)))
 
#define setsx(a, b, c, d)   setdx(a,b,c,(d) << (bit_depth - 8))
 
#define randomize_buffers(bidx, lineoff, str)
 
#define M(a)   (((a)[1] << 8) | (a)[0])
 
#define DST_BUF_SIZE   (size * size * SIZEOF_PIXEL)
 
#define SRC_BUF_STRIDE   72
 
#define SRC_BUF_SIZE   ((size + 7) * SRC_BUF_STRIDE * SIZEOF_PIXEL)
 
#define src   (buf + 3 * SIZEOF_PIXEL * (SRC_BUF_STRIDE + 1))
 
#define randomize_buffers()
 

Typedefs

typedef void(* ftx1d_fn) (double *out, const double *in, int sz)
 

Functions

static void check_ipred (void)
 
static void fwht_1d (double *out, const double *in, int sz)
 
static void fdct_1d (double *out, const double *in, int sz)
 
static void fadst4_1d (double *out, const double *in, int sz)
 
static void fadst_1d (double *out, const double *in, int sz)
 
static void ftx_2d (double *out, const double *in, enum TxfmMode tx, enum TxfmType txtp, int sz)
 
static void ftx (int16_t *buf, enum TxfmMode tx, enum TxfmType txtp, int sz, int bit_depth)
 
static int copy_subcoefs (int16_t *out, const int16_t *in, enum TxfmMode tx, enum TxfmType txtp, int sz, int sub, int bit_depth)
 
static int is_zero (const int16_t *c, int sz)
 
static void check_itxfm (void)
 
static void randomize_loopfilter_buffers (int bidx, int lineoff, int str, int bit_depth, int dir, const int *E, const int *F, const int *H, const int *I, uint8_t *buf0, uint8_t *buf1)
 
static void check_loopfilter (void)
 
static void check_mc (void)
 
void checkasm_check_vp9dsp (void)
 

Variables

static const uint32_t pixel_mask [3] = { 0xffffffff, 0x03ff03ff, 0x0fff0fff }
 

Macro Definition Documentation

◆ SIZEOF_PIXEL

#define SIZEOF_PIXEL   ((bit_depth + 7) / 8)

Definition at line 34 of file vp9dsp.c.

◆ randomize_buffers [1/4]

#define randomize_buffers ( )
Value:
do { \
uint32_t mask = pixel_mask[(bit_depth - 8) >> 1]; \
int k; \
for (k = -4; k < SIZEOF_PIXEL * FFMAX(8, size); k += 4) { \
uint32_t r = rnd() & mask; \
AV_WN32A(a + k, r); \
} \
for (k = 0; k < size * SIZEOF_PIXEL; k += 4) { \
uint32_t r = rnd() & mask; \
AV_WN32A(l + k, r); \
} \
} while (0)

Definition at line 542 of file vp9dsp.c.

◆ randomize_buffers [2/4]

#define randomize_buffers ( )
Value:
do { \
uint32_t mask = pixel_mask[(bit_depth - 8) >> 1]; \
for (y = 0; y < sz; y++) { \
for (x = 0; x < sz * SIZEOF_PIXEL; x += 4) { \
uint32_t r = rnd() & mask; \
AV_WN32A(dst + y * sz * SIZEOF_PIXEL + x, r); \
AV_WN32A(src + y * sz * SIZEOF_PIXEL + x, rnd() & mask); \
} \
for (x = 0; x < sz; x++) { \
if (bit_depth == 8) { \
coef[y * sz + x] = src[y * sz + x] - dst[y * sz + x]; \
} else { \
((int32_t *) coef)[y * sz + x] = \
((uint16_t *) src)[y * sz + x] - \
((uint16_t *) dst)[y * sz + x]; \
} \
} \
} \
} while(0)

Definition at line 542 of file vp9dsp.c.

◆ SIZEOF_COEF

#define SIZEOF_COEF   (2 * ((bit_depth + 7) / 8))

Definition at line 309 of file vp9dsp.c.

◆ setpx

#define setpx (   a,
  b,
  c 
)
Value:
do { \
if (SIZEOF_PIXEL == 1) { \
buf0[(a) + (b) * jstride] = av_clip_uint8(c); \
} else { \
((uint16_t *)buf0)[(a) + (b) * jstride] = av_clip_uintp2(c, bit_depth); \
} \
} while (0)

Definition at line 381 of file vp9dsp.c.

◆ setdx

#define setdx (   a,
  b,
  c,
  d 
)    setpx(a,b,c-(d)+(rnd()%((d)*2+1)))

Definition at line 391 of file vp9dsp.c.

◆ setsx

#define setsx (   a,
  b,
  c,
  d 
)    setdx(a,b,c,(d) << (bit_depth - 8))

Definition at line 392 of file vp9dsp.c.

◆ randomize_buffers [3/4]

#define randomize_buffers (   bidx,
  lineoff,
  str 
)
Value:
randomize_loopfilter_buffers(bidx, lineoff, str, bit_depth, dir, \
E, F, H, I, buf0, buf1)

Definition at line 542 of file vp9dsp.c.

◆ M

#define M (   a)    (((a)[1] << 8) | (a)[0])

◆ DST_BUF_SIZE

#define DST_BUF_SIZE   (size * size * SIZEOF_PIXEL)

Definition at line 537 of file vp9dsp.c.

◆ SRC_BUF_STRIDE

#define SRC_BUF_STRIDE   72

Definition at line 538 of file vp9dsp.c.

◆ SRC_BUF_SIZE

#define SRC_BUF_SIZE   ((size + 7) * SRC_BUF_STRIDE * SIZEOF_PIXEL)

Definition at line 539 of file vp9dsp.c.

◆ src

#define src   (buf + 3 * SIZEOF_PIXEL * (SRC_BUF_STRIDE + 1))

Definition at line 540 of file vp9dsp.c.

◆ randomize_buffers [4/4]

#define randomize_buffers ( )
Value:
do { \
uint32_t mask = pixel_mask[(bit_depth - 8) >> 1]; \
int k; \
for (k = 0; k < SRC_BUF_SIZE; k += 4) { \
uint32_t r = rnd() & mask; \
AV_WN32A(buf + k, r); \
} \
if (op == 1) { \
for (k = 0; k < DST_BUF_SIZE; k += 4) { \
uint32_t r = rnd() & mask; \
AV_WN32A(dst0 + k, r); \
AV_WN32A(dst1 + k, r); \
} \
} \
} while (0)

Definition at line 542 of file vp9dsp.c.

Typedef Documentation

◆ ftx1d_fn

typedef void(* ftx1d_fn) (double *out, const double *in, int sz)

Definition at line 179 of file vp9dsp.c.

Function Documentation

◆ check_ipred()

static void check_ipred ( void  )
static

Definition at line 50 of file vp9dsp.c.

Referenced by checkasm_check_vp9dsp().

◆ fwht_1d()

static void fwht_1d ( double *  out,
const double *  in,
int  sz 
)
static

Definition at line 124 of file vp9dsp.c.

Referenced by ftx_2d().

◆ fdct_1d()

static void fdct_1d ( double *  out,
const double *  in,
int  sz 
)
static

Definition at line 139 of file vp9dsp.c.

Referenced by ftx_2d().

◆ fadst4_1d()

static void fadst4_1d ( double *  out,
const double *  in,
int  sz 
)
static

Definition at line 154 of file vp9dsp.c.

Referenced by ftx_2d().

◆ fadst_1d()

static void fadst_1d ( double *  out,
const double *  in,
int  sz 
)
static

Definition at line 168 of file vp9dsp.c.

Referenced by ftx_2d().

◆ ftx_2d()

static void ftx_2d ( double *  out,
const double *  in,
enum TxfmMode  tx,
enum TxfmType  txtp,
int  sz 
)
static

Definition at line 180 of file vp9dsp.c.

Referenced by ftx().

◆ ftx()

static void ftx ( int16_t *  buf,
enum TxfmMode  tx,
enum TxfmType  txtp,
int  sz,
int  bit_depth 
)
static

Definition at line 231 of file vp9dsp.c.

Referenced by check_itxfm().

◆ copy_subcoefs()

static int copy_subcoefs ( int16_t *  out,
const int16_t *  in,
enum TxfmMode  tx,
enum TxfmType  txtp,
int  sz,
int  sub,
int  bit_depth 
)
static

Definition at line 253 of file vp9dsp.c.

Referenced by check_itxfm().

◆ is_zero()

static int is_zero ( const int16_t *  c,
int  sz 
)
static

Definition at line 298 of file vp9dsp.c.

Referenced by check_itxfm().

◆ check_itxfm()

static void check_itxfm ( void  )
static

Definition at line 311 of file vp9dsp.c.

Referenced by checkasm_check_vp9dsp().

◆ randomize_loopfilter_buffers()

static void randomize_loopfilter_buffers ( int  bidx,
int  lineoff,
int  str,
int  bit_depth,
int  dir,
const int *  E,
const int *  F,
const int *  H,
const int *  I,
uint8_t *  buf0,
uint8_t *  buf1 
)
static

Definition at line 393 of file vp9dsp.c.

◆ check_loopfilter()

static void check_loopfilter ( void  )
static

Definition at line 452 of file vp9dsp.c.

Referenced by checkasm_check_vp9dsp().

◆ check_mc()

static void check_mc ( void  )
static

Definition at line 559 of file vp9dsp.c.

Referenced by checkasm_check_vp9dsp().

◆ checkasm_check_vp9dsp()

void checkasm_check_vp9dsp ( void  )

Definition at line 627 of file vp9dsp.c.

Variable Documentation

◆ pixel_mask

const uint32_t pixel_mask[3] = { 0xffffffff, 0x03ff03ff, 0x0fff0fff }
static

Definition at line 33 of file vp9dsp.c.

r
const char * r
Definition: vf_curves.c:126
av_clip_uintp2
#define av_clip_uintp2
Definition: common.h:120
randomize_loopfilter_buffers
static void randomize_loopfilter_buffers(int bidx, int lineoff, int str, int bit_depth, int dir, const int *E, const int *F, const int *H, const int *I, uint8_t *buf0, uint8_t *buf1)
Definition: vp9dsp.c:393
b
#define b
Definition: input.c:41
F
#define F(x)
FFMAX
#define FFMAX(a, b)
Definition: macros.h:47
bit_depth
static void bit_depth(AudioStatsContext *s, const uint64_t *const mask, uint8_t *depth)
Definition: af_astats.c:245
SIZEOF_PIXEL
#define SIZEOF_PIXEL
Definition: vp9dsp.c:34
rnd
#define rnd()
Definition: checkasm.h:122
mask
static const uint16_t mask[17]
Definition: lzw.c:38
src
#define src
Definition: vp9dsp.c:540
op
static int op(uint8_t **dst, const uint8_t *dst_end, GetByteContext *gb, int pixel, int count, int *x, int width, int linesize)
Perform decode operation.
Definition: anm.c:76
E
#define E
Definition: avdct.c:32
c
Undefined Behavior In the C some operations are like signed integer dereferencing freed accessing outside allocated Undefined Behavior must not occur in a C it is not safe even if the output of undefined operations is unused The unsafety may seem nit picking but Optimizing compilers have in fact optimized code on the assumption that no undefined Behavior occurs Optimizing code based on wrong assumptions can and has in some cases lead to effects beyond the output of computations The signed integer overflow problem in speed critical code Code which is highly optimized and works with signed integers sometimes has the problem that often the output of the computation does not c
Definition: undefined.txt:32
pixel_mask
static const uint32_t pixel_mask[3]
Definition: vp9dsp.c:33
size
int size
Definition: twinvq_data.h:10344
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
H
#define H
Definition: pixlet.c:38
SRC_BUF_SIZE
#define SRC_BUF_SIZE
Definition: vp9dsp.c:539
av_clip_uint8
#define av_clip_uint8
Definition: common.h:102
int32_t
int32_t
Definition: audioconvert.c:56
DST_BUF_SIZE
#define DST_BUF_SIZE
Definition: vp9dsp.c:537
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