simple_idct_mmi.c File Reference

#include "idctdsp_mips.h"
#include "constants.h"
#include "libavutil/mips/asmdefs.h"
#include "libavutil/mips/mmiutils.h"
#include "libavutil/mem_internal.h"

Go to the source code of this file.

Macros
#define	W1   22725
#define	W2   21407
#define	W3   19266
#define	W4   16383
#define	W5   12873
#define	W6   8867
#define	W7   4520
#define	ROW_SHIFT   11
#define	COL_SHIFT   20
#define	DC_SHIFT   3
#define	IDCT_ROW_COND_DC(src1, src2)
#define	IDCT_COL_CASE1(src, out1, out2)
#define	IDCT_COL_CASE2(src1, src2, out1, out2)

Functions
void	ff_simple_idct_8_mmi (int16_t *block)
void	ff_simple_idct_put_8_mmi (uint8_t *dest, ptrdiff_t line_size, int16_t *block)
void	ff_simple_idct_add_8_mmi (uint8_t *dest, ptrdiff_t line_size, int16_t *block)

Variables
const int16_t	W_arr [46]

Macro Definition Documentation

W1

#define W1   22725

Definition at line 31 of file simple_idct_mmi.c.

W2

#define W2   21407

Definition at line 32 of file simple_idct_mmi.c.

W3

#define W3   19266

Definition at line 33 of file simple_idct_mmi.c.

W4

#define W4   16383

Definition at line 34 of file simple_idct_mmi.c.

W5

#define W5   12873

Definition at line 35 of file simple_idct_mmi.c.

W6

#define W6   8867

Definition at line 36 of file simple_idct_mmi.c.

W7

#define W7   4520

Definition at line 37 of file simple_idct_mmi.c.

ROW_SHIFT

#define ROW_SHIFT   11

Definition at line 39 of file simple_idct_mmi.c.

COL_SHIFT

#define COL_SHIFT   20

Definition at line 40 of file simple_idct_mmi.c.

DC_SHIFT

#define DC_SHIFT   3

Definition at line 41 of file simple_idct_mmi.c.

IDCT_ROW_COND_DC

#define IDCT_ROW_COND_DC	(		src1,
			src2
	)

IDCT_COL_CASE1

#define IDCT_COL_CASE1	(		src,
			out1,
			out2
	)

IDCT_COL_CASE2

#define IDCT_COL_CASE2	(		src1,
			src2,
			out1,
			out2
	)

Function Documentation

ff_simple_idct_8_mmi()

void ff_simple_idct_8_mmi

(

int16_t *

block

)

Definition at line 57 of file simple_idct_mmi.c.

Referenced by ff_idctdsp_init_mips(), ff_simple_idct_add_8_mmi(), and ff_simple_idct_put_8_mmi().

ff_simple_idct_put_8_mmi()

void ff_simple_idct_put_8_mmi	(	uint8_t *	dest,
		ptrdiff_t	line_size,
		int16_t *	block
	)

Definition at line 416 of file simple_idct_mmi.c.

Referenced by ff_idctdsp_init_mips().

ff_simple_idct_add_8_mmi()

void ff_simple_idct_add_8_mmi	(	uint8_t *	dest,
		ptrdiff_t	line_size,
		int16_t *	block
	)

Definition at line 421 of file simple_idct_mmi.c.

Referenced by ff_idctdsp_init_mips().

Variable Documentation

W_arr

const int16_t W_arr[46]

Initial value:

= {
    W4,  W2,  W4,  W6,
    W1,  W3,  W5,  W7,
    W4,  W6, -W4, -W2,
    W3, -W7, -W1, -W5,
    W4, -W6, -W4,  W2,
    W5, -W1,  W7,  W3,
    W4, -W2,  W4, -W6,
    W7, -W5,  W3, -W1,
    1024, 0,  1024, 0, 
    0,   -1,  -1,  -1, 
    32,  32,  32,  32  
}

Definition at line 43 of file simple_idct_mmi.c.

Referenced by ff_simple_idct_8_mmi().