xvid_idct_mmi.c File Reference

#include "idctdsp_mips.h"
#include "xvididct_mips.h"

Go to the source code of this file.

Macros
#define	BITS_INV_ACC   5
#define	SHIFT_INV_ROW   (16 - BITS_INV_ACC)
#define	SHIFT_INV_COL   (1 + BITS_INV_ACC)
#define	RND_INV_ROW   (1024 * (6 - BITS_INV_ACC))
#define	RND_INV_COL   (16 * (BITS_INV_ACC - 3))
#define	RND_INV_CORR   (RND_INV_COL - 1)
#define	BITS_FRW_ACC   3
#define	SHIFT_FRW_COL   BITS_FRW_ACC
#define	SHIFT_FRW_ROW   (BITS_FRW_ACC + 17)
#define	RND_FRW_ROW   (262144*(BITS_FRW_ACC - 1))
#define	DCT_8_INV_ROW_MMI(A1, A2, A3, A4)
#define	DCT_8_INV_COL(A1, A2)

Functions
void	ff_xvid_idct_mmi (int16_t *block)
void	ff_xvid_idct_put_mmi (uint8_t *dest, int32_t line_size, int16_t *block)
void	ff_xvid_idct_add_mmi (uint8_t *dest, int32_t line_size, int16_t *block)

Variables
static const int16_t	tg_1_16 [4 *4]
static const int32_t	rounder_0 [2 *8]
static const int16_t	tab_i_04_mmi [32 *4]

Macro Definition Documentation

BITS_INV_ACC

#define BITS_INV_ACC   5

Definition at line 27 of file xvid_idct_mmi.c.

SHIFT_INV_ROW

#define SHIFT_INV_ROW   (16 - BITS_INV_ACC)

Definition at line 28 of file xvid_idct_mmi.c.

SHIFT_INV_COL

#define SHIFT_INV_COL   (1 + BITS_INV_ACC)

Definition at line 29 of file xvid_idct_mmi.c.

RND_INV_ROW

#define RND_INV_ROW   (1024 * (6 - BITS_INV_ACC))

Definition at line 30 of file xvid_idct_mmi.c.

RND_INV_COL

#define RND_INV_COL   (16 * (BITS_INV_ACC - 3))

Definition at line 31 of file xvid_idct_mmi.c.

RND_INV_CORR

#define RND_INV_CORR   (RND_INV_COL - 1)

Definition at line 32 of file xvid_idct_mmi.c.

BITS_FRW_ACC

#define BITS_FRW_ACC   3

Definition at line 34 of file xvid_idct_mmi.c.

SHIFT_FRW_COL

#define SHIFT_FRW_COL   BITS_FRW_ACC

Definition at line 35 of file xvid_idct_mmi.c.

SHIFT_FRW_ROW

#define SHIFT_FRW_ROW   (BITS_FRW_ACC + 17)

Definition at line 36 of file xvid_idct_mmi.c.

RND_FRW_ROW

#define RND_FRW_ROW   (262144*(BITS_FRW_ACC - 1))

Definition at line 37 of file xvid_idct_mmi.c.

DCT_8_INV_ROW_MMI

#define DCT_8_INV_ROW_MMI	(		A1,
			A2,
			A3,
			A4
	)

Definition at line 95 of file xvid_idct_mmi.c.

DCT_8_INV_COL

#define DCT_8_INV_COL	(		A1,
			A2
	)

Definition at line 148 of file xvid_idct_mmi.c.

Function Documentation

ff_xvid_idct_mmi()

void ff_xvid_idct_mmi

(

int16_t *

block

)

Definition at line 223 of file xvid_idct_mmi.c.

Referenced by ff_xvid_idct_add_mmi(), and ff_xvid_idct_put_mmi().

ff_xvid_idct_put_mmi()

void ff_xvid_idct_put_mmi	(	uint8_t *	dest,
		int32_t	line_size,
		int16_t *	block
	)

Definition at line 243 of file xvid_idct_mmi.c.

ff_xvid_idct_add_mmi()

void ff_xvid_idct_add_mmi	(	uint8_t *	dest,
		int32_t	line_size,
		int16_t *	block
	)

Definition at line 249 of file xvid_idct_mmi.c.

Variable Documentation

tg_1_16

const int16_t tg_1_16[4 *4]

static

Initial value:

= {
     13036, 13036, 13036, 13036,    
     27146, 27146, 27146, 27146,    
    -21746,-21746,-21746,-21746,    
     23170, 23170, 23170, 23170     
}

Definition at line 39 of file xvid_idct_mmi.c.

Referenced by ff_xvid_idct_mmi().

rounder_0

const int32_t rounder_0[2 *8]

static

Initial value:

= {
    65536,65536,
     3597, 3597,
     2260, 2260,
     1203, 1203,
        0,    0,
      120,  120,
      512,  512,
      512,  512
}

Definition at line 46 of file xvid_idct_mmi.c.

Referenced by ff_xvid_idct_mmi().

tab_i_04_mmi

const int16_t tab_i_04_mmi[32 *4]

static

Definition at line 57 of file xvid_idct_mmi.c.

Referenced by ff_xvid_idct_mmi().