vc1dsp_altivec.c File Reference

#include "libavutil/ppc/types_altivec.h"
#include "libavutil/ppc/util_altivec.h"
#include "libavcodec/dsputil.h"
#include "libavcodec/vc1dsp.h"
#include "h264_altivec_template.c"

Go to the source code of this file.

Macros
#define	STEP8(s0, s1, s2, s3, s4, s5, s6, s7, vec_rnd)
#define	SHIFT_HOR8(s0, s1, s2, s3, s4, s5, s6, s7)
#define	SHIFT_VERT8(s0, s1, s2, s3, s4, s5, s6, s7)
#define	STEP4(s0, s1, s2, s3, vec_rnd)
#define	SHIFT_HOR4(s0, s1, s2, s3)
#define	SHIFT_VERT4(s0, s1, s2, s3)
#define	ADD(dest, src, perm)
#define	PUT_OP_U8_ALTIVEC(d, s, dst)   d = s
#define	AVG_OP_U8_ALTIVEC(d, s, dst)   d = vec_avg(dst, s)
#define	OP_U8_ALTIVEC   PUT_OP_U8_ALTIVEC
#define	PREFIX_no_rnd_vc1_chroma_mc8_altivec   put_no_rnd_vc1_chroma_mc8_altivec
#define	OP_U8_ALTIVEC   AVG_OP_U8_ALTIVEC
#define	PREFIX_no_rnd_vc1_chroma_mc8_altivec   avg_no_rnd_vc1_chroma_mc8_altivec

Functions
static void	vc1_inv_trans_8x8_altivec (DCTELEM block[64])
	Do inverse transform on 8x8 block.
static void	vc1_inv_trans_8x4_altivec (uint8_t *dest, int stride, DCTELEM *block)
	Do inverse transform on 8x4 part of block.
void	ff_vc1dsp_init_altivec (VC1DSPContext *dsp)

Macro Definition Documentation

#define STEP8	(		s0,
			s1,
			s2,
			s3,
			s4,
			s5,
			s6,
			s7,
			vec_rnd
	)

Definition at line 28 of file vc1dsp_altivec.c.

Referenced by vc1_inv_trans_8x4_altivec(), and vc1_inv_trans_8x8_altivec().

#define SHIFT_HOR8	(		s0,
			s1,
			s2,
			s3,
			s4,
			s5,
			s6,
			s7
	)

Value:

do { \
    s0 = vec_sra(s0, vec_3); \
    s1 = vec_sra(s1, vec_3); \
    s2 = vec_sra(s2, vec_3); \
    s3 = vec_sra(s3, vec_3); \
    s4 = vec_sra(s4, vec_3); \
    s5 = vec_sra(s5, vec_3); \
    s6 = vec_sra(s6, vec_3); \
    s7 = vec_sra(s7, vec_3); \
}while(0)

Definition at line 75 of file vc1dsp_altivec.c.

Referenced by vc1_inv_trans_8x4_altivec(), and vc1_inv_trans_8x8_altivec().

#define SHIFT_VERT8	(		s0,
			s1,
			s2,
			s3,
			s4,
			s5,
			s6,
			s7
	)

Value:

do { \
    s0 = vec_sra(s0, vec_7); \
    s1 = vec_sra(s1, vec_7); \
    s2 = vec_sra(s2, vec_7); \
    s3 = vec_sra(s3, vec_7); \
    s4 = vec_sra(vec_add(s4, vec_1s), vec_7); \
    s5 = vec_sra(vec_add(s5, vec_1s), vec_7); \
    s6 = vec_sra(vec_add(s6, vec_1s), vec_7); \
    s7 = vec_sra(vec_add(s7, vec_1s), vec_7); \
}while(0)

Definition at line 87 of file vc1dsp_altivec.c.

Referenced by vc1_inv_trans_8x8_altivec().

#define STEP4	(		s0,
			s1,
			s2,
			s3,
			vec_rnd
	)

Value:

do { \
    t1 = vec_add(vec_sl(s0, vec_4), s0); \
    t1 = vec_add(t1, vec_rnd); \
    t2 = vec_add(vec_sl(s2, vec_4), s2); \
    t0 = vec_add(t1, t2); \
    t1 = vec_sub(t1, t2); \
    t3 = vec_sl(vec_sub(s3, s1), vec_1); \
    t3 = vec_add(t3, vec_sl(t3, vec_2)); \
    t2 = vec_add(t3, vec_sl(s1, vec_5)); \
    t3 = vec_add(t3, vec_sl(s3, vec_3)); \
    t3 = vec_add(t3, vec_sl(s3, vec_2)); \
    s0 = vec_add(t0, t2); \
    s1 = vec_sub(t1, t3); \
    s2 = vec_add(t1, t3); \
    s3 = vec_sub(t0, t2); \
}while (0)

Definition at line 100 of file vc1dsp_altivec.c.

Referenced by vc1_inv_trans_8x4_altivec().

#define SHIFT_HOR4	(		s0,
			s1,
			s2,
			s3
	)

Value:

s0 = vec_sra(s0, vec_3); \
    s1 = vec_sra(s1, vec_3); \
    s2 = vec_sra(s2, vec_3); \
    s3 = vec_sra(s3, vec_3);

Definition at line 118 of file vc1dsp_altivec.c.

#define SHIFT_VERT4	(		s0,
			s1,
			s2,
			s3
	)

Value:

s0 = vec_sra(s0, vec_7); \
    s1 = vec_sra(s1, vec_7); \
    s2 = vec_sra(s2, vec_7); \
    s3 = vec_sra(s3, vec_7);

Definition at line 124 of file vc1dsp_altivec.c.

Referenced by vc1_inv_trans_8x4_altivec().

#define ADD	(		dest,
			src,
			perm
	)

Value:

/* *(uint64_t *)&tmp = *(uint64_t *)dest; */                        \
    tmp = vec_ld (0, dest);                                             \
    tmp2 = (vector signed short)vec_perm (tmp, vec_splat_u8(0), perm);  \
    tmp3 = vec_adds (tmp2, src);                                        \
    tmp = vec_packsu (tmp3, tmp3);                                      \
    vec_ste ((vector unsigned int)tmp, 0, (unsigned int *)dest);        \
    vec_ste ((vector unsigned int)tmp, 4, (unsigned int *)dest);

#define PUT_OP_U8_ALTIVEC	(		d,
			s,
			dst
	)		d = s

Definition at line 323 of file vc1dsp_altivec.c.

#define AVG_OP_U8_ALTIVEC	(		d,
			s,
			dst
	)		d = vec_avg(dst, s)

Definition at line 324 of file vc1dsp_altivec.c.

#define OP_U8_ALTIVEC   PUT_OP_U8_ALTIVEC

Definition at line 332 of file vc1dsp_altivec.c.

#define PREFIX_no_rnd_vc1_chroma_mc8_altivec   put_no_rnd_vc1_chroma_mc8_altivec

Definition at line 333 of file vc1dsp_altivec.c.

#define OP_U8_ALTIVEC   AVG_OP_U8_ALTIVEC

Definition at line 332 of file vc1dsp_altivec.c.

#define PREFIX_no_rnd_vc1_chroma_mc8_altivec   avg_no_rnd_vc1_chroma_mc8_altivec

Definition at line 333 of file vc1dsp_altivec.c.

Function Documentation

static void vc1_inv_trans_8x8_altivec ( DCTELEM  block[64] )

static

Do inverse transform on 8x8 block.

Definition at line 132 of file vc1dsp_altivec.c.

Referenced by ff_vc1dsp_init_altivec().

static void vc1_inv_trans_8x4_altivec ( uint8_t *  dest, int  stride, DCTELEM *  block  )

static

Do inverse transform on 8x4 part of block.

Definition at line 227 of file vc1dsp_altivec.c.

Referenced by ff_vc1dsp_init_altivec().

void ff_vc1dsp_init_altivec

(

VC1DSPContext *

dsp

)

Definition at line 338 of file vc1dsp_altivec.c.

Referenced by ff_vc1dsp_init().