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/*
* MMX optimized DSP utils
* Copyright (c) 2007 Aurelien Jacobs <aurel@gnuage.org>
*
* This file is part of Libav.
*
* Libav 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.
*
* Libav 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 Libav; 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 <stddef.h>
#include <stdint.h>
#include "libavcodec/dsputil.h"
#include "libavutil/x86/asm.h"
#include "constants.h"
#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 */
#define MOVQ_WONE(regd) \
__asm__ volatile ( \
"pcmpeqd %%" #regd ", %%" #regd " \n\t" \
"psrlw $15, %%" #regd ::)
#define JUMPALIGN() __asm__ volatile (".p2align 3"::)
#define MOVQ_ZERO(regd) __asm__ volatile ("pxor %%"#regd", %%"#regd ::)
#define MOVQ_BFE(regd) \
__asm__ volatile ( \
"pcmpeqd %%"#regd", %%"#regd" \n\t" \
"paddb %%"#regd", %%"#regd" \n\t" ::)
#ifndef PIC
#define MOVQ_WTWO(regd) __asm__ volatile ("movq %0, %%"#regd" \n\t" :: "m"(ff_wtwo))
#else
// for shared library it's better to use this way for accessing constants
// pcmpeqd -> -1
#define MOVQ_WTWO(regd) \
__asm__ volatile ( \
"pcmpeqd %%"#regd", %%"#regd" \n\t" \
"psrlw $15, %%"#regd" \n\t" \
"psllw $1, %%"#regd" \n\t"::)
#endif
// using regr as temporary and for the output result
// first argument is unmodifed and second is trashed
// regfe is supposed to contain 0xfefefefefefefefe
#define PAVGB_MMX_NO_RND(rega, regb, regr, regfe) \
"movq "#rega", "#regr" \n\t" \
"pand "#regb", "#regr" \n\t" \
"pxor "#rega", "#regb" \n\t" \
"pand "#regfe", "#regb" \n\t" \
"psrlq $1, "#regb" \n\t" \
"paddb "#regb", "#regr" \n\t"
#define PAVGB_MMX(rega, regb, regr, regfe) \
"movq "#rega", "#regr" \n\t" \
"por "#regb", "#regr" \n\t" \
"pxor "#rega", "#regb" \n\t" \
"pand "#regfe", "#regb" \n\t" \
"psrlq $1, "#regb" \n\t" \
"psubb "#regb", "#regr" \n\t"
// mm6 is supposed to contain 0xfefefefefefefefe
#define PAVGBP_MMX_NO_RND(rega, regb, regr, regc, regd, regp) \
"movq "#rega", "#regr" \n\t" \
"movq "#regc", "#regp" \n\t" \
"pand "#regb", "#regr" \n\t" \
"pand "#regd", "#regp" \n\t" \
"pxor "#rega", "#regb" \n\t" \
"pxor "#regc", "#regd" \n\t" \
"pand %%mm6, "#regb" \n\t" \
"pand %%mm6, "#regd" \n\t" \
"psrlq $1, "#regb" \n\t" \
"psrlq $1, "#regd" \n\t" \
"paddb "#regb", "#regr" \n\t" \
"paddb "#regd", "#regp" \n\t"
#define PAVGBP_MMX(rega, regb, regr, regc, regd, regp) \
"movq "#rega", "#regr" \n\t" \
"movq "#regc", "#regp" \n\t" \
"por "#regb", "#regr" \n\t" \
"por "#regd", "#regp" \n\t" \
"pxor "#rega", "#regb" \n\t" \
"pxor "#regc", "#regd" \n\t" \
"pand %%mm6, "#regb" \n\t" \
"pand %%mm6, "#regd" \n\t" \
"psrlq $1, "#regd" \n\t" \
"psrlq $1, "#regb" \n\t" \
"psubb "#regb", "#regr" \n\t" \
"psubb "#regd", "#regp" \n\t"
void ff_dsputilenc_init_mmx(DSPContext* c, AVCodecContext *avctx);
void ff_dsputil_init_pix_mmx(DSPContext* c, AVCodecContext *avctx);
void ff_add_pixels_clamped_mmx(const int16_t *block, uint8_t *pixels, int line_size);
void ff_put_pixels_clamped_mmx(const int16_t *block, uint8_t *pixels, int line_size);
void ff_put_signed_pixels_clamped_mmx(const int16_t *block, uint8_t *pixels, int line_size);
void ff_avg_pixels8_mmx(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_avg_pixels16_mmx(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_put_pixels8_mmx(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_put_pixels16_mmx(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_avg_pixels8_mmxext(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_put_pixels8_mmxext(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_avg_pixels16_sse2(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_put_pixels16_sse2(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_avg_pixels8_x2_mmx(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_avg_pixels8_xy2_mmx(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_avg_pixels16_xy2_mmx(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_put_pixels8_xy2_mmx(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
void ff_put_pixels16_xy2_mmx(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h);
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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