125 lines
3.8 KiB
C
125 lines
3.8 KiB
C
/*
|
|
* MMX optimized DSP utils
|
|
* Copyright (c) 2007 Aurelien Jacobs <aurel@gnuage.org>
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef FFMPEG_DSPUTIL_MMX_H
|
|
#define FFMPEG_DSPUTIL_MMX_H
|
|
|
|
#include <stdint.h>
|
|
#include "libavcodec/dsputil.h"
|
|
|
|
typedef struct { uint64_t a, b; } xmm_t;
|
|
|
|
extern const uint64_t ff_bone;
|
|
extern const uint64_t ff_wtwo;
|
|
|
|
extern const uint64_t ff_pdw_80000000[2];
|
|
|
|
extern const uint64_t ff_pw_3;
|
|
extern const uint64_t ff_pw_4;
|
|
extern const xmm_t ff_pw_5;
|
|
extern const uint64_t ff_pw_8;
|
|
extern const uint64_t ff_pw_15;
|
|
extern const xmm_t ff_pw_16;
|
|
extern const uint64_t ff_pw_20;
|
|
extern const xmm_t ff_pw_28;
|
|
extern const xmm_t ff_pw_32;
|
|
extern const uint64_t ff_pw_42;
|
|
extern const uint64_t ff_pw_64;
|
|
extern const uint64_t ff_pw_96;
|
|
extern const uint64_t ff_pw_128;
|
|
extern const uint64_t ff_pw_255;
|
|
|
|
extern const uint64_t ff_pb_1;
|
|
extern const uint64_t ff_pb_3;
|
|
extern const uint64_t ff_pb_7;
|
|
extern const uint64_t ff_pb_3F;
|
|
extern const uint64_t ff_pb_A1;
|
|
extern const uint64_t ff_pb_FC;
|
|
|
|
extern const double ff_pd_1[2];
|
|
extern const double ff_pd_2[2];
|
|
|
|
/* in/out: mma=mma+mmb, mmb=mmb-mma */
|
|
#define SUMSUB_BA( a, b ) \
|
|
"paddw "#b", "#a" \n\t"\
|
|
"paddw "#b", "#b" \n\t"\
|
|
"psubw "#a", "#b" \n\t"
|
|
|
|
#define SBUTTERFLY(a,b,t,n,m)\
|
|
"mov" #m " " #a ", " #t " \n\t" /* abcd */\
|
|
"punpckl" #n " " #b ", " #a " \n\t" /* aebf */\
|
|
"punpckh" #n " " #b ", " #t " \n\t" /* cgdh */\
|
|
|
|
#define TRANSPOSE4(a,b,c,d,t)\
|
|
SBUTTERFLY(a,b,t,wd,q) /* a=aebf t=cgdh */\
|
|
SBUTTERFLY(c,d,b,wd,q) /* c=imjn b=kolp */\
|
|
SBUTTERFLY(a,c,d,dq,q) /* a=aeim d=bfjn */\
|
|
SBUTTERFLY(t,b,c,dq,q) /* t=cgko c=dhlp */
|
|
|
|
#ifdef ARCH_X86_64
|
|
// permutes 01234567 -> 05736421
|
|
#define TRANSPOSE8(a,b,c,d,e,f,g,h,t)\
|
|
SBUTTERFLY(a,b,%%xmm8,wd,dqa)\
|
|
SBUTTERFLY(c,d,b,wd,dqa)\
|
|
SBUTTERFLY(e,f,d,wd,dqa)\
|
|
SBUTTERFLY(g,h,f,wd,dqa)\
|
|
SBUTTERFLY(a,c,h,dq,dqa)\
|
|
SBUTTERFLY(%%xmm8,b,c,dq,dqa)\
|
|
SBUTTERFLY(e,g,b,dq,dqa)\
|
|
SBUTTERFLY(d,f,g,dq,dqa)\
|
|
SBUTTERFLY(a,e,f,qdq,dqa)\
|
|
SBUTTERFLY(%%xmm8,d,e,qdq,dqa)\
|
|
SBUTTERFLY(h,b,d,qdq,dqa)\
|
|
SBUTTERFLY(c,g,b,qdq,dqa)\
|
|
"movdqa %%xmm8, "#g" \n\t"
|
|
#else
|
|
#define TRANSPOSE8(a,b,c,d,e,f,g,h,t)\
|
|
"movdqa "#h", "#t" \n\t"\
|
|
SBUTTERFLY(a,b,h,wd,dqa)\
|
|
"movdqa "#h", 16"#t" \n\t"\
|
|
"movdqa "#t", "#h" \n\t"\
|
|
SBUTTERFLY(c,d,b,wd,dqa)\
|
|
SBUTTERFLY(e,f,d,wd,dqa)\
|
|
SBUTTERFLY(g,h,f,wd,dqa)\
|
|
SBUTTERFLY(a,c,h,dq,dqa)\
|
|
"movdqa "#h", "#t" \n\t"\
|
|
"movdqa 16"#t", "#h" \n\t"\
|
|
SBUTTERFLY(h,b,c,dq,dqa)\
|
|
SBUTTERFLY(e,g,b,dq,dqa)\
|
|
SBUTTERFLY(d,f,g,dq,dqa)\
|
|
SBUTTERFLY(a,e,f,qdq,dqa)\
|
|
SBUTTERFLY(h,d,e,qdq,dqa)\
|
|
"movdqa "#h", 16"#t" \n\t"\
|
|
"movdqa "#t", "#h" \n\t"\
|
|
SBUTTERFLY(h,b,d,qdq,dqa)\
|
|
SBUTTERFLY(c,g,b,qdq,dqa)\
|
|
"movdqa 16"#t", "#g" \n\t"
|
|
#endif
|
|
|
|
#define MOVQ_WONE(regd) \
|
|
asm volatile ( \
|
|
"pcmpeqd %%" #regd ", %%" #regd " \n\t" \
|
|
"psrlw $15, %%" #regd ::)
|
|
|
|
void dsputilenc_init_mmx(DSPContext* c, AVCodecContext *avctx);
|
|
|
|
#endif /* FFMPEG_DSPUTIL_MMX_H */
|