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FFmpeg/libavcodec/x86/dsputil_mmx.h
Ronald S. Bultje 2c166c3af1 Port latest x264 deblock asm (before they moved to using NV12 as internal 
format), LGPL'ed with permission from Jason and Loren. This includes mmx2
code, so remove inline asm from h264dsp_mmx.c accordingly.

Originally committed as revision 25031 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-09-03 16:52:46 +00:00

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/*
* 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 AVCODEC_X86_DSPUTIL_MMX_H
#define AVCODEC_X86_DSPUTIL_MMX_H
#include <stdint.h>
#include "libavcodec/dsputil.h"
typedef struct { uint64_t a, b; } xmm_reg;
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 xmm_reg ff_pw_4;
extern const xmm_reg ff_pw_5;
extern const xmm_reg ff_pw_8;
extern const uint64_t ff_pw_15;
extern const xmm_reg ff_pw_16;
extern const xmm_reg ff_pw_18;
extern const uint64_t ff_pw_20;
extern const xmm_reg ff_pw_27;
extern const xmm_reg ff_pw_28;
extern const xmm_reg ff_pw_32;
extern const uint64_t ff_pw_42;
extern const uint64_t ff_pw_53;
extern const xmm_reg ff_pw_63;
extern const xmm_reg 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 xmm_reg ff_pb_1;
extern const xmm_reg ff_pb_3;
extern const uint64_t ff_pb_7;
extern const uint64_t ff_pb_1F;
extern const uint64_t ff_pb_3F;
extern const uint64_t ff_pb_81;
extern const xmm_reg ff_pb_A1;
extern const xmm_reg ff_pb_F8;
extern const uint64_t ff_pb_FC;
extern const xmm_reg ff_pb_FE;
extern const double ff_pd_1[2];
extern const double ff_pd_2[2];
#define LOAD4(stride,in,a,b,c,d)\
"movq 0*"#stride"+"#in", "#a"\n\t"\
"movq 1*"#stride"+"#in", "#b"\n\t"\
"movq 2*"#stride"+"#in", "#c"\n\t"\
"movq 3*"#stride"+"#in", "#d"\n\t"
#define STORE4(stride,out,a,b,c,d)\
"movq "#a", 0*"#stride"+"#out"\n\t"\
"movq "#b", 1*"#stride"+"#out"\n\t"\
"movq "#c", 2*"#stride"+"#out"\n\t"\
"movq "#d", 3*"#stride"+"#out"\n\t"
/* 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 */
static inline void transpose4x4(uint8_t *dst, uint8_t *src, int dst_stride, int src_stride){
__asm__ volatile( //FIXME could save 1 instruction if done as 8x4 ...
"movd %4, %%mm0 \n\t"
"movd %5, %%mm1 \n\t"
"movd %6, %%mm2 \n\t"
"movd %7, %%mm3 \n\t"
"punpcklbw %%mm1, %%mm0 \n\t"
"punpcklbw %%mm3, %%mm2 \n\t"
"movq %%mm0, %%mm1 \n\t"
"punpcklwd %%mm2, %%mm0 \n\t"
"punpckhwd %%mm2, %%mm1 \n\t"
"movd %%mm0, %0 \n\t"
"punpckhdq %%mm0, %%mm0 \n\t"
"movd %%mm0, %1 \n\t"
"movd %%mm1, %2 \n\t"
"punpckhdq %%mm1, %%mm1 \n\t"
"movd %%mm1, %3 \n\t"
: "=m" (*(uint32_t*)(dst + 0*dst_stride)),
"=m" (*(uint32_t*)(dst + 1*dst_stride)),
"=m" (*(uint32_t*)(dst + 2*dst_stride)),
"=m" (*(uint32_t*)(dst + 3*dst_stride))
: "m" (*(uint32_t*)(src + 0*src_stride)),
"m" (*(uint32_t*)(src + 1*src_stride)),
"m" (*(uint32_t*)(src + 2*src_stride)),
"m" (*(uint32_t*)(src + 3*src_stride))
);
}
// e,f,g,h can be memory
// out: a,d,t,c
#define TRANSPOSE8x4(a,b,c,d,e,f,g,h,t)\
"punpcklbw " #e ", " #a " \n\t" /* a0 e0 a1 e1 a2 e2 a3 e3 */\
"punpcklbw " #f ", " #b " \n\t" /* b0 f0 b1 f1 b2 f2 b3 f3 */\
"punpcklbw " #g ", " #c " \n\t" /* c0 g0 c1 g1 c2 g2 d3 g3 */\
"punpcklbw " #h ", " #d " \n\t" /* d0 h0 d1 h1 d2 h2 d3 h3 */\
SBUTTERFLY(a, b, t, bw, q) /* a= a0 b0 e0 f0 a1 b1 e1 f1 */\
/* t= a2 b2 e2 f2 a3 b3 e3 f3 */\
SBUTTERFLY(c, d, b, bw, q) /* c= c0 d0 g0 h0 c1 d1 g1 h1 */\
/* b= c2 d2 g2 h2 c3 d3 g3 h3 */\
SBUTTERFLY(a, c, d, wd, q) /* a= a0 b0 c0 d0 e0 f0 g0 h0 */\
/* d= a1 b1 c1 d1 e1 f1 g1 h1 */\
SBUTTERFLY(t, b, c, wd, q) /* t= a2 b2 c2 d2 e2 f2 g2 h2 */\
/* c= a3 b3 c3 d3 e3 f3 g3 h3 */
#if 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);
void dsputil_init_pix_mmx(DSPContext* c, AVCodecContext *avctx);
void ff_add_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size);
void ff_put_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size);
void ff_put_signed_pixels_clamped_mmx(const DCTELEM *block, uint8_t *pixels, int line_size);
void ff_put_cavs_qpel8_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride);
void ff_avg_cavs_qpel8_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride);
void ff_put_cavs_qpel16_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride);
void ff_avg_cavs_qpel16_mc00_mmx2(uint8_t *dst, uint8_t *src, int stride);
void ff_vc1dsp_init_mmx(DSPContext* dsp, AVCodecContext *avctx);
void ff_put_vc1_mspel_mc00_mmx(uint8_t *dst, const uint8_t *src, int stride, int rnd);
void ff_avg_vc1_mspel_mc00_mmx2(uint8_t *dst, const uint8_t *src, int stride, int rnd);
void ff_lpc_compute_autocorr_sse2(const int32_t *data, int len, int lag,
double *autoc);
void ff_mmx_idct(DCTELEM *block);
void ff_mmxext_idct(DCTELEM *block);
void ff_deinterlace_line_mmx(uint8_t *dst,
const uint8_t *lum_m4, const uint8_t *lum_m3,
const uint8_t *lum_m2, const uint8_t *lum_m1,
const uint8_t *lum,
int size);
void ff_deinterlace_line_inplace_mmx(const uint8_t *lum_m4,
const uint8_t *lum_m3,
const uint8_t *lum_m2,
const uint8_t *lum_m1,
const uint8_t *lum, int size);
#endif /* AVCODEC_X86_DSPUTIL_MMX_H */
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