vf_fspp.h File Reference

#include "avfilter.h"

Go to the source code of this file.

Data Structures
struct	FSPPContext

Macros
#define	BLOCKSZ   12
#define	MAX_LEVEL   5
#define	DCTSIZE   8
#define	DCTSIZE_S   "8"
#define	FIX(x, s)   ((int) ((x) * (1 << s) + 0.5) & 0xffff)
#define	C64(x)   ((uint64_t)((x) | (x) << 16)) <<32 | (uint64_t)(x) | (uint64_t)(x) << 16
#define	FIX64(x, s)   C64(FIX(x,s))
#define	MULTIPLY16H(x, k)   (((x) * (k)) >> 16)
#define	THRESHOLD(r, x, t)
#define	DESCALE(x, n)   (((x) + (1 << ((n) - 1))) >> n)

Typedefs
typedef int32_t	int_simd16_t

Functions
void	ff_fspp_init_x86 (FSPPContext *fspp)

Variables
static const int16_t	FIX_0_382683433 = FIX(0.382683433, 14)
static const int16_t	FIX_0_541196100 = FIX(0.541196100, 14)
static const int16_t	FIX_0_707106781 = FIX(M_SQRT1_2 , 14)
static const int16_t	FIX_1_306562965 = FIX(1.306562965, 14)
static const int16_t	FIX_1_414213562_A = FIX(M_SQRT2 , 14)
static const int16_t	FIX_1_847759065 = FIX(1.847759065, 13)
static const int16_t	FIX_2_613125930 = FIX(-2.613125930, 13)
static const int16_t	FIX_1_414213562 = FIX(M_SQRT2 , 13)
static const int16_t	FIX_1_082392200 = FIX(1.082392200, 13)

Macro Definition Documentation

#define BLOCKSZ   12

Definition at line 28 of file vf_fspp.h.

Referenced by filter().

#define MAX_LEVEL   5

Definition at line 29 of file vf_fspp.h.

#define DCTSIZE   8

Definition at line 31 of file vf_fspp.h.

#define DCTSIZE_S   "8"

Definition at line 32 of file vf_fspp.h.

#define FIX	(		x,
			s
	)		((int) ((x) * (1 << s) + 0.5) & 0xffff)

Definition at line 34 of file vf_fspp.h.

#define C64

(

x

)

((uint64_t)((x) | (x) << 16)) <<32 | (uint64_t)(x) | (uint64_t)(x) << 16

Definition at line 35 of file vf_fspp.h.

#define FIX64	(		x,
			s
	)		C64(FIX(x,s))

Definition at line 36 of file vf_fspp.h.

#define MULTIPLY16H	(		x,
			k
	)		(((x) * (k)) >> 16)

Definition at line 38 of file vf_fspp.h.

Referenced by column_fidct_c(), row_fdct_c(), and row_idct_c().

#define THRESHOLD	(		r,
			x,
			t
	)

Value:

if(((unsigned)((x) + t)) > t * 2) r = (x);   \
    else r = 0;

Definition at line 39 of file vf_fspp.h.

Referenced by column_fidct_c().

#define DESCALE	(		x,
			n
	)		(((x) + (1 << ((n) - 1))) >> n)

Definition at line 42 of file vf_fspp.h.

Typedef Documentation

typedef int32_t int_simd16_t

Definition at line 44 of file vf_fspp.h.

Function Documentation

void ff_fspp_init_x86

(

FSPPContext *

fspp

)

Definition at line 37 of file vf_fspp_init.c.

Referenced by config_input().

Variable Documentation

const int16_t FIX_0_382683433 = FIX(0.382683433, 14)

static

Definition at line 45 of file vf_fspp.h.

const int16_t FIX_0_541196100 = FIX(0.541196100, 14)

static

Definition at line 46 of file vf_fspp.h.

const int16_t FIX_0_707106781 = FIX(M_SQRT1_2 , 14)

static

Definition at line 47 of file vf_fspp.h.

const int16_t FIX_1_306562965 = FIX(1.306562965, 14)

static

Definition at line 48 of file vf_fspp.h.

const int16_t FIX_1_414213562_A = FIX(M_SQRT2 , 14)

static

Definition at line 49 of file vf_fspp.h.

Referenced by column_fidct_c(), and row_idct_c().

const int16_t FIX_1_847759065 = FIX(1.847759065, 13)

static

Definition at line 50 of file vf_fspp.h.

const int16_t FIX_2_613125930 = FIX(-2.613125930, 13)

static

Definition at line 51 of file vf_fspp.h.

const int16_t FIX_1_414213562 = FIX(M_SQRT2 , 13)

static

Definition at line 52 of file vf_fspp.h.

const int16_t FIX_1_082392200 = FIX(1.082392200, 13)

static

Definition at line 53 of file vf_fspp.h.