hpeldsp_alpha.c File Reference

#include "libavutil/attributes.h"
#include "libavcodec/hpeldsp.h"
#include "hpeldsp_alpha.h"
#include "asm.h"

Go to the source code of this file.

Macros
#define	OP(LOAD, STORE)
#define	OP_X2(LOAD, STORE)
#define	OP_Y2(LOAD, STORE)
#define	OP_XY2(LOAD, STORE)
#define	MAKE_OP(OPNAME, SUFF, OPKIND, STORE)
#define	PIXOP(OPNAME, STORE)
#define	AVG2   avg2
#define	AVG4   avg4
#define	AVG4_ROUNDER   BYTE_VEC(0x02)
#define	STORE(l, b)   stq(l, b)
#define	STORE(l, b)   stq(AVG2(l, ldq(b)), b);
#define	AVG2   avg2_no_rnd
#define	AVG4   avg4_no_rnd
#define	AVG4_ROUNDER   BYTE_VEC(0x01)
#define	STORE(l, b)   stq(l, b)
#define	STORE(l, b)   stq(AVG2(l, ldq(b)), b);

Functions
static uint64_t	avg2_no_rnd (uint64_t a, uint64_t b)
static uint64_t	avg2 (uint64_t a, uint64_t b)
	PIXOP (put, STORE)
	PIXOP (avg, STORE)
	PIXOP (put_no_rnd, STORE)
	PIXOP (avg_no_rnd, STORE)
static void	put_pixels16_axp_asm (uint8_t *block, const uint8_t *pixels, ptrdiff_t line_size, int h)
av_cold void	ff_hpeldsp_init_alpha (HpelDSPContext *c, int flags)

Macro Definition Documentation

OP

#define OP	(		LOAD,
			STORE
	)

Value:

do {                                        \
        STORE(LOAD(pixels), block);             \
        pixels += line_size;                    \
        block += line_size;                     \
    } while (--h)

Definition at line 55 of file hpeldsp_alpha.c.

OP_X2

#define OP_X2	(		LOAD,
			STORE
	)

Value:

do {                                                        \
        uint64_t pix1, pix2;                                    \
                                                                \
        pix1 = LOAD(pixels);                                    \
        pix2 = pix1 >> 8 | ((uint64_t) pixels[8] << 56);        \
        STORE(AVG2(pix1, pix2), block);                         \
        pixels += line_size;                                    \
        block += line_size;                                     \
    } while (--h)

Definition at line 62 of file hpeldsp_alpha.c.

OP_Y2

#define OP_Y2	(		LOAD,
			STORE
	)

Value:

do {                                        \
        uint64_t pix = LOAD(pixels);            \
        do {                                    \
            uint64_t next_pix;                  \
                                                \
            pixels += line_size;                \
            next_pix = LOAD(pixels);            \
            STORE(AVG2(pix, next_pix), block);  \
            block += line_size;                 \
            pix = next_pix;                     \
        } while (--h);                          \
    } while (0)

Definition at line 73 of file hpeldsp_alpha.c.

OP_XY2

#define OP_XY2	(		LOAD,
			STORE
	)

Value:

do {                                                                    \
        uint64_t pix1 = LOAD(pixels);                                       \
        uint64_t pix2 = pix1 >> 8 | ((uint64_t) pixels[8] << 56);           \
        uint64_t pix_l = (pix1 & BYTE_VEC(0x03))                            \
                       + (pix2 & BYTE_VEC(0x03));                           \
        uint64_t pix_h = ((pix1 & ~BYTE_VEC(0x03)) >> 2)                    \
                       + ((pix2 & ~BYTE_VEC(0x03)) >> 2);                   \
                                                                            \
        do {                                                                \
            uint64_t npix1, npix2;                                          \
            uint64_t npix_l, npix_h;                                        \
            uint64_t avg;                                                   \
                                                                            \
            pixels += line_size;                                            \
            npix1 = LOAD(pixels);                                           \
            npix2 = npix1 >> 8 | ((uint64_t) pixels[8] << 56);              \
            npix_l = (npix1 & BYTE_VEC(0x03))                               \
                   + (npix2 & BYTE_VEC(0x03));                              \
            npix_h = ((npix1 & ~BYTE_VEC(0x03)) >> 2)                       \
                   + ((npix2 & ~BYTE_VEC(0x03)) >> 2);                      \
            avg = (((pix_l + npix_l + AVG4_ROUNDER) >> 2) & BYTE_VEC(0x03)) \
                + pix_h + npix_h;                                           \
            STORE(avg, block);                                              \
                                                                            \
            block += line_size;                                             \
            pix_l = npix_l;                                                 \
            pix_h = npix_h;                                                 \
        } while (--h);                                                      \
    } while (0)

Definition at line 87 of file hpeldsp_alpha.c.

MAKE_OP

#define MAKE_OP	(		OPNAME,
			SUFF,
			OPKIND,
			STORE
	)

Value:

static void OPNAME ## _pixels ## SUFF ## _axp                               \
        (uint8_t *restrict block, const uint8_t *restrict pixels,           \
         ptrdiff_t line_size, int h)                                        \
{                                                                           \
    if ((size_t) pixels & 0x7) {                                            \
        OPKIND(uldq, STORE);                                                \
    } else {                                                                \
        OPKIND(ldq, STORE);                                                 \
    }                                                                       \
}                                                                           \
                                                                            \
static void OPNAME ## _pixels16 ## SUFF ## _axp                             \
        (uint8_t *restrict block, const uint8_t *restrict pixels,           \
         ptrdiff_t line_size, int h)                                        \
{                                                                           \
    OPNAME ## _pixels ## SUFF ## _axp(block,     pixels,     line_size, h); \
    OPNAME ## _pixels ## SUFF ## _axp(block + 8, pixels + 8, line_size, h); \
}

Definition at line 118 of file hpeldsp_alpha.c.

PIXOP

#define PIXOP	(		OPNAME,
			STORE
	)

Value:

MAKE_OP(OPNAME, ,     OP,     STORE)        \
    MAKE_OP(OPNAME, _x2,  OP_X2,  STORE)        \
    MAKE_OP(OPNAME, _y2,  OP_Y2,  STORE)        \
    MAKE_OP(OPNAME, _xy2, OP_XY2, STORE)

Definition at line 138 of file hpeldsp_alpha.c.

AVG2 [1/2]

#define AVG2   avg2

Definition at line 160 of file hpeldsp_alpha.c.

AVG4 [1/2]

#define AVG4   avg4

Definition at line 161 of file hpeldsp_alpha.c.

AVG4_ROUNDER [1/2]

#define AVG4_ROUNDER   BYTE_VEC(0x02)

Definition at line 162 of file hpeldsp_alpha.c.

STORE [1/4]

#define STORE	(		l,
			b
	)		stq(l, b)

Definition at line 167 of file hpeldsp_alpha.c.

STORE [2/4]

#define STORE	(		l,
			b
	)		stq(AVG2(l, ldq(b)), b);

Definition at line 167 of file hpeldsp_alpha.c.

AVG2 [2/2]

#define AVG2   avg2_no_rnd

Definition at line 160 of file hpeldsp_alpha.c.

AVG4 [2/2]

#define AVG4   avg4_no_rnd

Definition at line 161 of file hpeldsp_alpha.c.

AVG4_ROUNDER [2/2]

#define AVG4_ROUNDER   BYTE_VEC(0x01)

Definition at line 162 of file hpeldsp_alpha.c.

STORE [3/4]

#define STORE	(		l,
			b
	)		stq(l, b)

Definition at line 167 of file hpeldsp_alpha.c.

STORE [4/4]

#define STORE	(		l,
			b
	)		stq(AVG2(l, ldq(b)), b);

Definition at line 167 of file hpeldsp_alpha.c.

Function Documentation

avg2_no_rnd()

static uint64_t avg2_no_rnd ( uint64_t  a, uint64_t  b  )

inlinestatic

Definition at line 27 of file hpeldsp_alpha.c.

avg2()

static uint64_t avg2 ( uint64_t  a, uint64_t  b  )

inlinestatic

Definition at line 32 of file hpeldsp_alpha.c.

PIXOP() [1/4]

PIXOP	(	put	,
		STORE
	)

PIXOP() [2/4]

PIXOP	(	avg	,
		STORE
	)

PIXOP() [3/4]

PIXOP	(	put_no_rnd	,
		STORE
	)

PIXOP() [4/4]

PIXOP	(	avg_no_rnd	,
		STORE
	)

put_pixels16_axp_asm()

static void put_pixels16_axp_asm ( uint8_t *  block, const uint8_t *  pixels, ptrdiff_t  line_size, int  h  )

static

Definition at line 170 of file hpeldsp_alpha.c.

Referenced by ff_hpeldsp_init_alpha().

ff_hpeldsp_init_alpha()

av_cold void ff_hpeldsp_init_alpha	(	HpelDSPContext *	c,
		int	flags
	)

Definition at line 177 of file hpeldsp_alpha.c.

Referenced by ff_hpeldsp_init().