www.pudn.com > X264_20060729.rar > dct.c
/*****************************************************************************
* dct.c: h264 encoder library
*****************************************************************************
* Copyright (C) 2003 Laurent Aimar
* $Id$
*
* Authors: Eric Petit
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
*****************************************************************************/
#ifdef SYS_LINUX
#include
#endif
#include "common/common.h"
#include "ppccommon.h"
#define VEC_DCT(a0,a1,a2,a3,b0,b1,b2,b3) \
b1 = vec_add( a0, a3 ); \
b3 = vec_add( a1, a2 ); \
b0 = vec_add( b1, b3 ); \
b2 = vec_sub( b1, b3 ); \
a0 = vec_sub( a0, a3 ); \
a1 = vec_sub( a1, a2 ); \
b1 = vec_add( a0, a0 ); \
b1 = vec_add( b1, a1 ); \
b3 = vec_sub( a0, a1 ); \
b3 = vec_sub( b3, a1 )
void x264_sub4x4_dct_altivec( int16_t dct[4][4],
uint8_t *pix1, uint8_t *pix2 )
{
PREP_DIFF;
PREP_STORE8;
vec_s16_t dct0v, dct1v, dct2v, dct3v;
vec_s16_t tmp0v, tmp1v, tmp2v, tmp3v;
VEC_DIFF_H( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 4, dct0v );
VEC_DIFF_H( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 4, dct1v );
VEC_DIFF_H( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 4, dct2v );
VEC_DIFF_H( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 4, dct3v );
VEC_DCT( dct0v, dct1v, dct2v, dct3v, tmp0v, tmp1v, tmp2v, tmp3v );
VEC_TRANSPOSE_4( tmp0v, tmp1v, tmp2v, tmp3v,
dct0v, dct1v, dct2v, dct3v );
VEC_DCT( dct0v, dct1v, dct2v, dct3v, tmp0v, tmp1v, tmp2v, tmp3v );
VEC_STORE8( tmp0v, dct[0] );
VEC_STORE8( tmp1v, dct[1] );
VEC_STORE8( tmp2v, dct[2] );
VEC_STORE8( tmp3v, dct[3] );
}
void x264_sub8x8_dct_altivec( int16_t dct[4][4][4],
uint8_t *pix1, uint8_t *pix2 )
{
PREP_DIFF;
PREP_STORE8_HL;
vec_s16_t dct0v, dct1v, dct2v, dct3v, dct4v, dct5v, dct6v, dct7v;
vec_s16_t tmp0v, tmp1v, tmp2v, tmp3v, tmp4v, tmp5v, tmp6v, tmp7v;
VEC_DIFF_H( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct0v );
VEC_DIFF_H( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct1v );
VEC_DIFF_H( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct2v );
VEC_DIFF_H( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct3v );
VEC_DIFF_H( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct4v );
VEC_DIFF_H( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct5v );
VEC_DIFF_H( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct6v );
VEC_DIFF_H( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, 8, dct7v );
VEC_DCT( dct0v, dct1v, dct2v, dct3v, tmp0v, tmp1v, tmp2v, tmp3v );
VEC_DCT( dct4v, dct5v, dct6v, dct7v, tmp4v, tmp5v, tmp6v, tmp7v );
VEC_TRANSPOSE_8( tmp0v, tmp1v, tmp2v, tmp3v,
tmp4v, tmp5v, tmp6v, tmp7v,
dct0v, dct1v, dct2v, dct3v,
dct4v, dct5v, dct6v, dct7v );
VEC_DCT( dct0v, dct1v, dct2v, dct3v, tmp0v, tmp1v, tmp2v, tmp3v );
VEC_STORE8_H( tmp0v, dct[0][0] );
VEC_STORE8_H( tmp1v, dct[0][1] );
VEC_STORE8_H( tmp2v, dct[0][2] );
VEC_STORE8_H( tmp3v, dct[0][3] );
VEC_STORE8_L( tmp0v, dct[2][0] );
VEC_STORE8_L( tmp1v, dct[2][1] );
VEC_STORE8_L( tmp2v, dct[2][2] );
VEC_STORE8_L( tmp3v, dct[2][3] );
VEC_DCT( dct4v, dct5v, dct6v, dct7v, tmp4v, tmp5v, tmp6v, tmp7v );
VEC_STORE8_H( tmp4v, dct[1][0] );
VEC_STORE8_H( tmp5v, dct[1][1] );
VEC_STORE8_H( tmp6v, dct[1][2] );
VEC_STORE8_H( tmp7v, dct[1][3] );
VEC_STORE8_L( tmp4v, dct[3][0] );
VEC_STORE8_L( tmp5v, dct[3][1] );
VEC_STORE8_L( tmp6v, dct[3][2] );
VEC_STORE8_L( tmp7v, dct[3][3] );
}
void x264_sub16x16_dct_altivec( int16_t dct[16][4][4],
uint8_t *pix1, uint8_t *pix2 )
{
PREP_DIFF;
PREP_STORE8_HL;
vec_s16_t dcth0v, dcth1v, dcth2v, dcth3v,
dcth4v, dcth5v, dcth6v, dcth7v,
dctl0v, dctl1v, dctl2v, dctl3v,
dctl4v, dctl5v, dctl6v, dctl7v;
vec_s16_t temp0v, temp1v, temp2v, temp3v,
temp4v, temp5v, temp6v, temp7v;
VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth0v, dctl0v );
VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth1v, dctl1v );
VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth2v, dctl2v );
VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth3v, dctl3v );
VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth4v, dctl4v );
VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth5v, dctl5v );
VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth6v, dctl6v );
VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth7v, dctl7v );
VEC_DCT( dcth0v, dcth1v, dcth2v, dcth3v,
temp0v, temp1v, temp2v, temp3v );
VEC_DCT( dcth4v, dcth5v, dcth6v, dcth7v,
temp4v, temp5v, temp6v, temp7v );
VEC_TRANSPOSE_8( temp0v, temp1v, temp2v, temp3v,
temp4v, temp5v, temp6v, temp7v,
dcth0v, dcth1v, dcth2v, dcth3v,
dcth4v, dcth5v, dcth6v, dcth7v );
VEC_DCT( dcth0v, dcth1v, dcth2v, dcth3v,
temp0v, temp1v, temp2v, temp3v );
VEC_STORE8_H( temp0v, dct[0][0] );
VEC_STORE8_H( temp1v, dct[0][1] );
VEC_STORE8_H( temp2v, dct[0][2] );
VEC_STORE8_H( temp3v, dct[0][3] );
VEC_STORE8_L( temp0v, dct[2][0] );
VEC_STORE8_L( temp1v, dct[2][1] );
VEC_STORE8_L( temp2v, dct[2][2] );
VEC_STORE8_L( temp3v, dct[2][3] );
VEC_DCT( dcth4v, dcth5v, dcth6v, dcth7v,
temp4v, temp5v, temp6v, temp7v );
VEC_STORE8_H( temp4v, dct[1][0] );
VEC_STORE8_H( temp5v, dct[1][1] );
VEC_STORE8_H( temp6v, dct[1][2] );
VEC_STORE8_H( temp7v, dct[1][3] );
VEC_STORE8_L( temp4v, dct[3][0] );
VEC_STORE8_L( temp5v, dct[3][1] );
VEC_STORE8_L( temp6v, dct[3][2] );
VEC_STORE8_L( temp7v, dct[3][3] );
VEC_DCT( dctl0v, dctl1v, dctl2v, dctl3v,
temp0v, temp1v, temp2v, temp3v );
VEC_DCT( dctl4v, dctl5v, dctl6v, dctl7v,
temp4v, temp5v, temp6v, temp7v );
VEC_TRANSPOSE_8( temp0v, temp1v, temp2v, temp3v,
temp4v, temp5v, temp6v, temp7v,
dctl0v, dctl1v, dctl2v, dctl3v,
dctl4v, dctl5v, dctl6v, dctl7v );
VEC_DCT( dctl0v, dctl1v, dctl2v, dctl3v,
temp0v, temp1v, temp2v, temp3v );
VEC_STORE8_H( temp0v, dct[4][0] );
VEC_STORE8_H( temp1v, dct[4][1] );
VEC_STORE8_H( temp2v, dct[4][2] );
VEC_STORE8_H( temp3v, dct[4][3] );
VEC_STORE8_L( temp0v, dct[6][0] );
VEC_STORE8_L( temp1v, dct[6][1] );
VEC_STORE8_L( temp2v, dct[6][2] );
VEC_STORE8_L( temp3v, dct[6][3] );
VEC_DCT( dctl4v, dctl5v, dctl6v, dctl7v,
temp4v, temp5v, temp6v, temp7v );
VEC_STORE8_H( temp4v, dct[5][0] );
VEC_STORE8_H( temp5v, dct[5][1] );
VEC_STORE8_H( temp6v, dct[5][2] );
VEC_STORE8_H( temp7v, dct[5][3] );
VEC_STORE8_L( temp4v, dct[7][0] );
VEC_STORE8_L( temp5v, dct[7][1] );
VEC_STORE8_L( temp6v, dct[7][2] );
VEC_STORE8_L( temp7v, dct[7][3] );
VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth0v, dctl0v );
VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth1v, dctl1v );
VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth2v, dctl2v );
VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth3v, dctl3v );
VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth4v, dctl4v );
VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth5v, dctl5v );
VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth6v, dctl6v );
VEC_DIFF_HL( pix1, FENC_STRIDE, pix2, FDEC_STRIDE, dcth7v, dctl7v );
VEC_DCT( dcth0v, dcth1v, dcth2v, dcth3v,
temp0v, temp1v, temp2v, temp3v );
VEC_DCT( dcth4v, dcth5v, dcth6v, dcth7v,
temp4v, temp5v, temp6v, temp7v );
VEC_TRANSPOSE_8( temp0v, temp1v, temp2v, temp3v,
temp4v, temp5v, temp6v, temp7v,
dcth0v, dcth1v, dcth2v, dcth3v,
dcth4v, dcth5v, dcth6v, dcth7v );
VEC_DCT( dcth0v, dcth1v, dcth2v, dcth3v,
temp0v, temp1v, temp2v, temp3v );
VEC_STORE8_H( temp0v, dct[8][0] );
VEC_STORE8_H( temp1v, dct[8][1] );
VEC_STORE8_H( temp2v, dct[8][2] );
VEC_STORE8_H( temp3v, dct[8][3] );
VEC_STORE8_L( temp0v, dct[10][0] );
VEC_STORE8_L( temp1v, dct[10][1] );
VEC_STORE8_L( temp2v, dct[10][2] );
VEC_STORE8_L( temp3v, dct[10][3] );
VEC_DCT( dcth4v, dcth5v, dcth6v, dcth7v,
temp4v, temp5v, temp6v, temp7v );
VEC_STORE8_H( temp4v, dct[9][0] );
VEC_STORE8_H( temp5v, dct[9][1] );
VEC_STORE8_H( temp6v, dct[9][2] );
VEC_STORE8_H( temp7v, dct[9][3] );
VEC_STORE8_L( temp4v, dct[11][0] );
VEC_STORE8_L( temp5v, dct[11][1] );
VEC_STORE8_L( temp6v, dct[11][2] );
VEC_STORE8_L( temp7v, dct[11][3] );
VEC_DCT( dctl0v, dctl1v, dctl2v, dctl3v,
temp0v, temp1v, temp2v, temp3v );
VEC_DCT( dctl4v, dctl5v, dctl6v, dctl7v,
temp4v, temp5v, temp6v, temp7v );
VEC_TRANSPOSE_8( temp0v, temp1v, temp2v, temp3v,
temp4v, temp5v, temp6v, temp7v,
dctl0v, dctl1v, dctl2v, dctl3v,
dctl4v, dctl5v, dctl6v, dctl7v );
VEC_DCT( dctl0v, dctl1v, dctl2v, dctl3v,
temp0v, temp1v, temp2v, temp3v );
VEC_STORE8_H( temp0v, dct[12][0] );
VEC_STORE8_H( temp1v, dct[12][1] );
VEC_STORE8_H( temp2v, dct[12][2] );
VEC_STORE8_H( temp3v, dct[12][3] );
VEC_STORE8_L( temp0v, dct[14][0] );
VEC_STORE8_L( temp1v, dct[14][1] );
VEC_STORE8_L( temp2v, dct[14][2] );
VEC_STORE8_L( temp3v, dct[14][3] );
VEC_DCT( dctl4v, dctl5v, dctl6v, dctl7v,
temp4v, temp5v, temp6v, temp7v );
VEC_STORE8_H( temp4v, dct[13][0] );
VEC_STORE8_H( temp5v, dct[13][1] );
VEC_STORE8_H( temp6v, dct[13][2] );
VEC_STORE8_H( temp7v, dct[13][3] );
VEC_STORE8_L( temp4v, dct[15][0] );
VEC_STORE8_L( temp5v, dct[15][1] );
VEC_STORE8_L( temp6v, dct[15][2] );
VEC_STORE8_L( temp7v, dct[15][3] );
}