dct-c.c
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Audio
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Visual C++
- /***************************************************************************** * dct.c: h264 encoder library ***************************************************************************** * Copyright (C) 2003 Laurent Aimar * $Id: dct-c.c,v 1.1 2004/06/03 19:27:07 fenrir Exp $ * * Authors: Laurent Aimar <fenrir@via.ecp.fr> * * 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 HAVE_STDINT_H #include <stdint.h> #else #include <inttypes.h> #endif #include <stdlib.h> #include <stdarg.h> #include "x264.h" #include "dct.h"
- void x264_sub8x8_dct_mmxext( int16_t dct[4][4][4], uint8_t *pix1, int i_pix1, uint8_t *pix2, int i_pix2 ) { x264_sub4x4_dct_mmxext( dct[0], &pix1[0], i_pix1, &pix2[0], i_pix2 ); x264_sub4x4_dct_mmxext( dct[1], &pix1[4], i_pix1, &pix2[4], i_pix2 ); x264_sub4x4_dct_mmxext( dct[2], &pix1[4*i_pix1+0], i_pix1, &pix2[4*i_pix2+0], i_pix2 ); x264_sub4x4_dct_mmxext( dct[3], &pix1[4*i_pix1+4], i_pix1, &pix2[4*i_pix2+4], i_pix2 ); } void x264_sub16x16_dct_mmxext( int16_t dct[16][4][4], uint8_t *pix1, int i_pix1, uint8_t *pix2, int i_pix2 ) { x264_sub8x8_dct_mmxext( &dct[ 0], &pix1[0], i_pix1, &pix2[0], i_pix2 ); x264_sub8x8_dct_mmxext( &dct[ 4], &pix1[8], i_pix1, &pix2[8], i_pix2 ); x264_sub8x8_dct_mmxext( &dct[ 8], &pix1[8*i_pix1], i_pix1, &pix2[8*i_pix2], i_pix2 ); x264_sub8x8_dct_mmxext( &dct[12], &pix1[8*i_pix1+8], i_pix1, &pix2[8*i_pix2+8], i_pix2 ); } /**************************************************************************** * addXxX_idct: ****************************************************************************/ void x264_add8x8_idct_mmxext( uint8_t *p_dst, int i_dst, int16_t dct[4][4][4] ) { x264_add4x4_idct_mmxext( p_dst, i_dst, dct[0] ); x264_add4x4_idct_mmxext( &p_dst[4], i_dst, dct[1] ); x264_add4x4_idct_mmxext( &p_dst[4*i_dst+0], i_dst, dct[2] ); x264_add4x4_idct_mmxext( &p_dst[4*i_dst+4], i_dst, dct[3] ); } void x264_add16x16_idct_mmxext( uint8_t *p_dst, int i_dst, int16_t dct[16][4][4] ) { x264_add8x8_idct_mmxext( &p_dst[0], i_dst, &dct[0] ); x264_add8x8_idct_mmxext( &p_dst[8], i_dst, &dct[4] ); x264_add8x8_idct_mmxext( &p_dst[8*i_dst], i_dst, &dct[8] ); x264_add8x8_idct_mmxext( &p_dst[8*i_dst+8], i_dst, &dct[12] ); } /*********************** * dct8/idct8 functions ***********************/ #ifdef ARCH_X86_64 void x264_sub16x16_dct8_sse2( int16_t dct[4][8][8], uint8_t *pix1, int i_pix1, uint8_t *pix2, int i_pix2 ) { x264_sub8x8_dct8_sse2( dct[0], pix1, i_pix1, pix2, i_pix2 ); x264_sub8x8_dct8_sse2( dct[1], pix1+8, i_pix1, pix2+8, i_pix2 ); x264_sub8x8_dct8_sse2( dct[2], pix1+8*i_pix1, i_pix1, pix2+8*i_pix2, i_pix2 ); x264_sub8x8_dct8_sse2( dct[3], pix1+8*i_pix1+8, i_pix1, pix2+8*i_pix2+8, i_pix2 ); } void x264_add16x16_idct8_sse2( uint8_t *p_dst, int i_dst, int16_t dct[4][8][8] ) { x264_add8x8_idct8_sse2( p_dst, i_dst, dct[0] ); x264_add8x8_idct8_sse2( p_dst+8, i_dst, dct[1] ); x264_add8x8_idct8_sse2( p_dst+8*i_dst, i_dst, dct[2] ); x264_add8x8_idct8_sse2( p_dst+8*i_dst+8, i_dst, dct[3] ); } #else // ARCH_X86 void x264_pixel_sub_8x8_mmx( int16_t *diff, uint8_t *pix1, int i_pix1, uint8_t *pix2, int i_pix2 ); void x264_pixel_add_8x8_mmx( uint8_t *pix, int i_pix, uint16_t *diff ); void x264_xdct8_mmxext( int16_t dct[8][8] ); void x264_xidct8_mmxext( int16_t dct[8][8] ); void x264_ydct8_mmx( int16_t dct[8][8] ); void x264_yidct8_mmx( int16_t dct[8][8] ); // including >>6 at the end
- //lsp060308 //inline
- void x264_sub8x8_dct8_mmxext( int16_t dct[8][8], uint8_t *pix1, int i_pix1, uint8_t *pix2, int i_pix2 ) { x264_pixel_sub_8x8_mmx( (int16_t *)dct, pix1, i_pix1, pix2, i_pix2 ); x264_xdct8_mmxext( dct ); x264_ydct8_mmx( dct ); } void x264_sub16x16_dct8_mmxext( int16_t dct[4][8][8], uint8_t *pix1, int i_pix1, uint8_t *pix2, int i_pix2 ) { x264_sub8x8_dct8_mmxext( dct[0], pix1, i_pix1, pix2, i_pix2 ); x264_sub8x8_dct8_mmxext( dct[1], pix1+8, i_pix1, pix2+8, i_pix2 ); x264_sub8x8_dct8_mmxext( dct[2], pix1+8*i_pix1, i_pix1, pix2+8*i_pix2, i_pix2 ); x264_sub8x8_dct8_mmxext( dct[3], pix1+8*i_pix1+8, i_pix1, pix2+8*i_pix2+8, i_pix2 ); }
- //lsp060308 //inline
- void x264_add8x8_idct8_mmxext( uint8_t *dst, int i_dst, int16_t dct[8][8] ) { dct[0][0] += 32; x264_xidct8_mmxext( dct ); x264_yidct8_mmx( dct ); x264_pixel_add_8x8_mmx( dst, i_dst, (uint16_t *)dct ); } void x264_add16x16_idct8_mmxext( uint8_t *dst, int i_dst, int16_t dct[4][8][8] ) { x264_add8x8_idct8_mmxext( dst, i_dst, dct[0] ); x264_add8x8_idct8_mmxext( dst+8, i_dst, dct[1] ); x264_add8x8_idct8_mmxext( dst+8*i_dst, i_dst, dct[2] ); x264_add8x8_idct8_mmxext( dst+8*i_dst+8, i_dst, dct[3] ); } #endif