libavcodec/ppc/mpegvideo_altivec.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include "libavutil/cpu.h"
#include "libavcodec/dsputil.h"
#include "libavcodec/mpegvideo.h"
#include "util_altivec.h"
#include "types_altivec.h"
#include "dsputil_altivec.h"

Go to the source code of this file.

Defines
#define	SWAP(a, b)
#define	TRANSPOSE4(a, b, c, d)
#define	LOAD4(vec, address)
#define	FOUROF(a)   {a,a,a,a}
Functions
static int	dct_quantize_altivec (MpegEncContext *s, DCTELEM *data, int n, int qscale, int *overflow)
static void	dct_unquantize_h263_altivec (MpegEncContext *s, DCTELEM *block, int n, int qscale)
void	MPV_common_init_altivec (MpegEncContext *s)

---

Define Documentation

#define FOUROF

(

a

)

{a,a,a,a}

Definition at line 70 of file mpegvideo_altivec.c.

Referenced by dct_quantize_altivec().

#define LOAD4	(	vec,
		address		)

Value:

{ \
    __typeof__(vec)* _load_addr = (__typeof__(vec)*)(address);  \
    vector unsigned char _perm_vec = vec_lvsl(0,(address));     \
    vec = vec_ld(0, _load_addr);                                \
    vec = vec_perm(vec, vec, _perm_vec);                        \
    vec = vec_splat(vec, 0);                                    \
}

Definition at line 60 of file mpegvideo_altivec.c.

Referenced by dct_quantize_altivec().

#define SWAP	(	a,
		b		)

Value:

do { \
    __typeof__(a) swap_temp=a; \
    a=b; \
    b=swap_temp; \
} while (0)

Definition at line 35 of file mpegvideo_altivec.c.

Referenced by dct_quantize_altivec().

#define TRANSPOSE4	(	a,
		b,
		c,
		d		)

Value:

do { \
    __typeof__(a) _trans_ach = vec_mergeh(a, c); \
    __typeof__(a) _trans_acl = vec_mergel(a, c); \
    __typeof__(a) _trans_bdh = vec_mergeh(b, d); \
    __typeof__(a) _trans_bdl = vec_mergel(b, d); \
                                                 \
    a = vec_mergeh(_trans_ach, _trans_bdh);      \
    b = vec_mergel(_trans_ach, _trans_bdh);      \
    c = vec_mergeh(_trans_acl, _trans_bdl);      \
    d = vec_mergel(_trans_acl, _trans_bdl);      \
} while (0)

Definition at line 43 of file mpegvideo_altivec.c.

Referenced by cavs_idct8_add_mmx(), dct_quantize_altivec(), and h264_loop_filter_strength_mmx2().

---

Function Documentation

static int dct_quantize_altivec	(	MpegEncContext *	s,
		DCTELEM *	data,
		int	n,
		int	qscale,
		int *	overflow
	)			[static]

Definition at line 72 of file mpegvideo_altivec.c.

static void dct_unquantize_h263_altivec	(	MpegEncContext *	s,
		DCTELEM *	block,
		int	n,
		int	qscale
	)			[static]

Definition at line 484 of file mpegvideo_altivec.c.

Referenced by MPV_common_init_altivec().

void MPV_common_init_altivec

(

MpegEncContext *

s

)

Definition at line 562 of file mpegvideo_altivec.c.

Referenced by ff_dct_common_init().