hvirtual/quicktime/ffmpeg/libavcodec/i386/idct_mmx.c File Reference

#include "../common.h"
#include "../dsputil.h"
#include "mmx.h"

Include dependency graph for idct_mmx.c:

Go to the source code of this file.

Defines
#define	ATTR_ALIGN(align)   __attribute__ ((__aligned__ (align)))
#define	ROW_SHIFT   11
#define	COL_SHIFT   6
#define	round(bias)   ((int)(((bias)+0.5) * (1<<ROW_SHIFT)))
#define	rounder(bias)   {round (bias), round (bias)}
#define	mmxext_table(c1, c2, c3, c4, c5, c6, c7)
#define	mmx_table(c1, c2, c3, c4, c5, c6, c7)
#define	T1   13036
#define	T2   27146
#define	T3   43790
#define	C4   23170
#define	declare_idct(idct, table, idct_row_head, idct_row, idct_row_tail, idct_row_mid)
Functions
static void	mmxext_row_head (int16_t *row, int offset, int16_t *table)
static void	mmxext_row (int16_t *table, int32_t *rounder)
static void	mmxext_row_tail (int16_t *row, int store)
static void	mmxext_row_mid (int16_t *row, int store, int offset, int16_t *table)
static void	mmx_row_head (int16_t *row, int offset, int16_t *table)
static void	mmx_row (int16_t *table, int32_t *rounder)
static void	mmx_row_tail (int16_t *row, int store)
static void	mmx_row_mid (int16_t *row, int store, int offset, int16_t *table)
static void	idct_col (int16_t *col, int offset)
static int32_t rounder0[]	ATTR_ALIGN (8)
void	ff_mmx_idct (DCTELEM *block)
void	ff_mmxext_idct (DCTELEM *block)

---

Define Documentation

#define ATTR_ALIGN

(

align

)

__attribute__ ((__aligned__ (align)))

Definition at line 30 of file idct_mmx.c.

#define C4   23170

#define COL_SHIFT   6

Definition at line 33 of file idct_mmx.c.

#define declare_idct	(	idct,
		table,
		idct_row_head,
		idct_row,
		idct_row_tail,
		idct_row_mid		)

Definition at line 558 of file idct_mmx.c.

#define mmx_table	(	c1,
		c2,
		c3,
		c4,
		c5,
		c6,
		c7		)

Value:

{  c4,  c2,  c4,  c6,   \
                                           c4,  c6, -c4, -c2,   \
                                           c1,  c3,  c3, -c7,   \
                                           c5,  c7, -c1, -c5,   \
                                           c4, -c6,  c4, -c2,   \
                                          -c4,  c2,  c4, -c6,   \
                                           c5, -c1,  c7, -c5,   \
                                           c7,  c3,  c3, -c1 }

Definition at line 192 of file idct_mmx.c.

#define mmxext_table	(	c1,
		c2,
		c3,
		c4,
		c5,
		c6,
		c7		)

Value:

{  c4,  c2, -c4, -c2,   \
                                                   c4,  c6,  c4,  c6,   \
                                                   c1,  c3, -c1, -c5,   \
                                                   c5,  c7,  c3, -c7,   \
                                                   c4, -c6,  c4, -c6,   \
                                                  -c4,  c2,  c4, -c2,   \
                                                   c5, -c1,  c3, -c1,   \
                                                   c7,  c3,  c7, -c5 }

Definition at line 80 of file idct_mmx.c.

#define round

(

bias

)

((int)(((bias)+0.5) * (1<<ROW_SHIFT)))

Definition at line 35 of file idct_mmx.c.

Referenced by VideoScopeVectorscope::calculate_graduations(), and VideoScopeWaveform::calculate_graduations().

#define rounder

(

bias

)

{round (bias), round (bias)}

Definition at line 36 of file idct_mmx.c.

Referenced by deinterlace_line(), and deinterlace_line_inplace().

#define ROW_SHIFT   11

Definition at line 32 of file idct_mmx.c.

#define T1   13036

Referenced by idct_col().

#define T2   27146

Referenced by idct_col().

#define T3   43790

Referenced by idct_col().

---

Function Documentation

static int32_t rounder0 [] ATTR_ALIGN

(

8

)

[static]

void ff_mmx_idct

(

DCTELEM *

block

)

void ff_mmxext_idct

(

DCTELEM *

block

)

static void idct_col	(	int16_t *	col,
		int	offset
	)			[inline, static]

Definition at line 391 of file idct_mmx.c.

References ATTR_ALIGN, C4, COL_SHIFT, movq_m2r, movq_r2m, movq_r2r, paddsw_m2r, paddsw_r2r, pmulhw_m2r, pmulhw_r2r, psraw_i2r, psubsw_r2r, T1, T2, and T3.

static void mmx_row	(	int16_t *	table,
		int32_t *	rounder
	)			[inline, static]

Definition at line 220 of file idct_mmx.c.

References movq_m2r, movq_r2r, paddd_m2r, paddd_r2r, pmaddwd_m2r, pmaddwd_r2r, psrad_i2r, psubd_r2r, punpckhdq_r2r, punpckldq_r2r, and ROW_SHIFT.

static void mmx_row_head	(	int16_t *	row,
		int	offset,
		int16_t *	table
	)			[inline, static]

Definition at line 201 of file idct_mmx.c.

References movq_m2r, movq_r2r, pmaddwd_r2r, punpckhdq_r2r, and punpckldq_r2r.

static void mmx_row_mid	(	int16_t *	row,
		int	store,
		int	offset,
		int16_t *	table
	)			[inline, static]

Definition at line 283 of file idct_mmx.c.

References movq_m2r, movq_r2m, movq_r2r, packssdw_r2r, pmaddwd_r2r, por_r2r, pslld_i2r, psrad_i2r, psrld_i2r, punpckhdq_r2r, punpckldq_r2r, and ROW_SHIFT.

static void mmx_row_tail	(	int16_t *	row,
		int	store
	)			[inline, static]

Definition at line 259 of file idct_mmx.c.

References movq_r2m, movq_r2r, packssdw_r2r, por_r2r, pslld_i2r, psrad_i2r, psrld_i2r, and ROW_SHIFT.

static void mmxext_row	(	int16_t *	table,
		int32_t *	rounder
	)			[inline, static]

Definition at line 105 of file idct_mmx.c.

References movq_m2r, movq_r2r, paddd_m2r, paddd_r2r, pmaddwd_m2r, pmaddwd_r2r, pshufw_r2r, psrad_i2r, psubd_r2r, and ROW_SHIFT.

static void mmxext_row_head	(	int16_t *	row,
		int	offset,
		int16_t *	table
	)			[inline, static]

Definition at line 89 of file idct_mmx.c.

References movq_m2r, movq_r2r, pmaddwd_r2r, and pshufw_r2r.

static void mmxext_row_mid	(	int16_t *	row,
		int	store,
		int	offset,
		int16_t *	table
	)			[inline, static]

Definition at line 162 of file idct_mmx.c.

References movq_m2r, movq_r2m, movq_r2r, packssdw_r2r, pmaddwd_r2r, pshufw_r2r, psrad_i2r, and ROW_SHIFT.

static void mmxext_row_tail	(	int16_t *	row,
		int	store
	)			[inline, static]

Definition at line 144 of file idct_mmx.c.

References movq_r2m, packssdw_r2r, pshufw_r2r, psrad_i2r, and ROW_SHIFT.