mirror of
https://github.com/FFmpeg/FFmpeg.git
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416 lines
17 KiB
C
416 lines
17 KiB
C
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/*
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* MMX optimized DSP utils
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* Copyright (c) 2000, 2001 Fabrice Bellard
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* MMX optimization by Nick Kurshev <nickols_k@mail.ru>
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*/
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#include "libavutil/cpu.h"
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#include "libavutil/x86/asm.h"
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#include "libavcodec/hpeldsp.h"
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#include "dsputil_mmx.h"
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//#undef NDEBUG
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//#include <assert.h>
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#if HAVE_YASM
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void ff_put_pixels8_x2_mmxext(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_put_pixels8_x2_3dnow(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_put_pixels16_x2_mmxext(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_put_pixels16_x2_3dnow(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_put_no_rnd_pixels8_x2_mmxext(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_put_no_rnd_pixels8_x2_3dnow(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_put_no_rnd_pixels8_x2_exact_mmxext(uint8_t *block,
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const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_put_no_rnd_pixels8_x2_exact_3dnow(uint8_t *block,
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const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_put_pixels8_y2_mmxext(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_put_pixels8_y2_3dnow(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_put_no_rnd_pixels8_y2_mmxext(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_put_no_rnd_pixels8_y2_3dnow(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_put_no_rnd_pixels8_y2_exact_mmxext(uint8_t *block,
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const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_put_no_rnd_pixels8_y2_exact_3dnow(uint8_t *block,
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const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_avg_pixels8_3dnow(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_avg_pixels8_x2_mmxext(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_avg_pixels8_x2_3dnow(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_avg_pixels8_y2_mmxext(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_avg_pixels8_y2_3dnow(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_avg_pixels8_xy2_mmxext(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_avg_pixels8_xy2_3dnow(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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#endif /* HAVE_YASM */
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#if HAVE_INLINE_ASM
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#define JUMPALIGN() __asm__ volatile (".p2align 3"::)
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#define MOVQ_ZERO(regd) __asm__ volatile ("pxor %%"#regd", %%"#regd ::)
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#define MOVQ_BFE(regd) \
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__asm__ volatile ( \
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"pcmpeqd %%"#regd", %%"#regd" \n\t" \
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"paddb %%"#regd", %%"#regd" \n\t" ::)
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#ifndef PIC
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#define MOVQ_BONE(regd) __asm__ volatile ("movq %0, %%"#regd" \n\t" :: "m"(ff_bone))
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#define MOVQ_WTWO(regd) __asm__ volatile ("movq %0, %%"#regd" \n\t" :: "m"(ff_wtwo))
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#else
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// for shared library it's better to use this way for accessing constants
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// pcmpeqd -> -1
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#define MOVQ_BONE(regd) \
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__asm__ volatile ( \
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"pcmpeqd %%"#regd", %%"#regd" \n\t" \
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"psrlw $15, %%"#regd" \n\t" \
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"packuswb %%"#regd", %%"#regd" \n\t" ::)
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#define MOVQ_WTWO(regd) \
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__asm__ volatile ( \
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"pcmpeqd %%"#regd", %%"#regd" \n\t" \
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"psrlw $15, %%"#regd" \n\t" \
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"psllw $1, %%"#regd" \n\t"::)
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#endif
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// using regr as temporary and for the output result
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// first argument is unmodifed and second is trashed
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// regfe is supposed to contain 0xfefefefefefefefe
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#define PAVGB_MMX_NO_RND(rega, regb, regr, regfe) \
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"movq "#rega", "#regr" \n\t" \
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"pand "#regb", "#regr" \n\t" \
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"pxor "#rega", "#regb" \n\t" \
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"pand "#regfe", "#regb" \n\t" \
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"psrlq $1, "#regb" \n\t" \
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"paddb "#regb", "#regr" \n\t"
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#define PAVGB_MMX(rega, regb, regr, regfe) \
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"movq "#rega", "#regr" \n\t" \
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"por "#regb", "#regr" \n\t" \
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"pxor "#rega", "#regb" \n\t" \
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"pand "#regfe", "#regb" \n\t" \
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"psrlq $1, "#regb" \n\t" \
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"psubb "#regb", "#regr" \n\t"
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// mm6 is supposed to contain 0xfefefefefefefefe
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#define PAVGBP_MMX_NO_RND(rega, regb, regr, regc, regd, regp) \
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"movq "#rega", "#regr" \n\t" \
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"movq "#regc", "#regp" \n\t" \
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"pand "#regb", "#regr" \n\t" \
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"pand "#regd", "#regp" \n\t" \
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"pxor "#rega", "#regb" \n\t" \
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"pxor "#regc", "#regd" \n\t" \
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"pand %%mm6, "#regb" \n\t" \
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"pand %%mm6, "#regd" \n\t" \
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"psrlq $1, "#regb" \n\t" \
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"psrlq $1, "#regd" \n\t" \
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"paddb "#regb", "#regr" \n\t" \
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"paddb "#regd", "#regp" \n\t"
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#define PAVGBP_MMX(rega, regb, regr, regc, regd, regp) \
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"movq "#rega", "#regr" \n\t" \
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"movq "#regc", "#regp" \n\t" \
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"por "#regb", "#regr" \n\t" \
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"por "#regd", "#regp" \n\t" \
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"pxor "#rega", "#regb" \n\t" \
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"pxor "#regc", "#regd" \n\t" \
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"pand %%mm6, "#regb" \n\t" \
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"pand %%mm6, "#regd" \n\t" \
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"psrlq $1, "#regd" \n\t" \
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"psrlq $1, "#regb" \n\t" \
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"psubb "#regb", "#regr" \n\t" \
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"psubb "#regd", "#regp" \n\t"
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/***********************************/
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/* MMX no rounding */
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#define NO_RND 1
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#define DEF(x, y) x ## _no_rnd_ ## y ## _mmx
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#define SET_RND MOVQ_WONE
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#define PAVGBP(a, b, c, d, e, f) PAVGBP_MMX_NO_RND(a, b, c, d, e, f)
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#define PAVGB(a, b, c, e) PAVGB_MMX_NO_RND(a, b, c, e)
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#define OP_AVG(a, b, c, e) PAVGB_MMX(a, b, c, e)
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#include "hpeldsp_rnd_template.c"
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#undef DEF
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#undef SET_RND
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#undef PAVGBP
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#undef PAVGB
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#undef NO_RND
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/***********************************/
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/* MMX rounding */
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#define DEF(x, y) x ## _ ## y ## _mmx
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#define SET_RND MOVQ_WTWO
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#define PAVGBP(a, b, c, d, e, f) PAVGBP_MMX(a, b, c, d, e, f)
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#define PAVGB(a, b, c, e) PAVGB_MMX(a, b, c, e)
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#include "hpeldsp_rnd_template.c"
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#undef DEF
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#undef SET_RND
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#undef PAVGBP
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#undef PAVGB
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#undef OP_AVG
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#endif /* HAVE_INLINE_ASM */
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#if HAVE_YASM
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#define ff_put_pixels8_mmx ff_put_pixels8_mmxext
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/***********************************/
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/* 3Dnow specific */
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#define DEF(x) x ## _3dnow
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#include "hpeldsp_avg_template.c"
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#undef DEF
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/***********************************/
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/* MMXEXT specific */
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#define DEF(x) x ## _mmxext
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#include "hpeldsp_avg_template.c"
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#undef DEF
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#endif /* HAVE_YASM */
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#if HAVE_INLINE_ASM
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#define put_no_rnd_pixels16_mmx put_pixels16_mmx
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#define put_no_rnd_pixels8_mmx put_pixels8_mmx
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#define put_pixels16_mmxext put_pixels16_mmx
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#define put_pixels8_mmxext put_pixels8_mmx
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#define put_pixels4_mmxext put_pixels4_mmx
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#define put_no_rnd_pixels16_mmxext put_no_rnd_pixels16_mmx
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#define put_no_rnd_pixels8_mmxext put_no_rnd_pixels8_mmx
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static void put_pixels8_mmx(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h)
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{
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__asm__ volatile (
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"lea (%3, %3), %%"REG_a" \n\t"
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".p2align 3 \n\t"
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"1: \n\t"
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"movq (%1 ), %%mm0 \n\t"
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"movq (%1, %3), %%mm1 \n\t"
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"movq %%mm0, (%2) \n\t"
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"movq %%mm1, (%2, %3) \n\t"
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"add %%"REG_a", %1 \n\t"
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"add %%"REG_a", %2 \n\t"
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"movq (%1 ), %%mm0 \n\t"
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"movq (%1, %3), %%mm1 \n\t"
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"movq %%mm0, (%2) \n\t"
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"movq %%mm1, (%2, %3) \n\t"
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"add %%"REG_a", %1 \n\t"
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"add %%"REG_a", %2 \n\t"
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"subl $4, %0 \n\t"
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"jnz 1b \n\t"
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: "+g"(h), "+r"(pixels), "+r"(block)
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: "r"((x86_reg)line_size)
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: "%"REG_a, "memory"
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);
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}
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static void put_pixels16_mmx(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h)
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{
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__asm__ volatile (
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"lea (%3, %3), %%"REG_a" \n\t"
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".p2align 3 \n\t"
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"1: \n\t"
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"movq (%1 ), %%mm0 \n\t"
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"movq 8(%1 ), %%mm4 \n\t"
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"movq (%1, %3), %%mm1 \n\t"
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"movq 8(%1, %3), %%mm5 \n\t"
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"movq %%mm0, (%2) \n\t"
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"movq %%mm4, 8(%2) \n\t"
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"movq %%mm1, (%2, %3) \n\t"
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"movq %%mm5, 8(%2, %3) \n\t"
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"add %%"REG_a", %1 \n\t"
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"add %%"REG_a", %2 \n\t"
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"movq (%1 ), %%mm0 \n\t"
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"movq 8(%1 ), %%mm4 \n\t"
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"movq (%1, %3), %%mm1 \n\t"
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"movq 8(%1, %3), %%mm5 \n\t"
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"movq %%mm0, (%2) \n\t"
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"movq %%mm4, 8(%2) \n\t"
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"movq %%mm1, (%2, %3) \n\t"
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"movq %%mm5, 8(%2, %3) \n\t"
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"add %%"REG_a", %1 \n\t"
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"add %%"REG_a", %2 \n\t"
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"subl $4, %0 \n\t"
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"jnz 1b \n\t"
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: "+g"(h), "+r"(pixels), "+r"(block)
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: "r"((x86_reg)line_size)
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: "%"REG_a, "memory"
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);
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}
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#endif /* HAVE_INLINE_ASM */
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void ff_put_pixels16_sse2(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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void ff_avg_pixels16_sse2(uint8_t *block, const uint8_t *pixels,
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ptrdiff_t line_size, int h);
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#define SET_HPEL_FUNCS(PFX, IDX, SIZE, CPU) \
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do { \
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c->PFX ## _pixels_tab IDX [0] = PFX ## _pixels ## SIZE ## _ ## CPU; \
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||
|
|
c->PFX ## _pixels_tab IDX [1] = PFX ## _pixels ## SIZE ## _x2_ ## CPU; \
|
||
|
|
c->PFX ## _pixels_tab IDX [2] = PFX ## _pixels ## SIZE ## _y2_ ## CPU; \
|
||
|
|
c->PFX ## _pixels_tab IDX [3] = PFX ## _pixels ## SIZE ## _xy2_ ## CPU; \
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
static void hpeldsp_init_mmx(HpelDSPContext *c, int flags, int mm_flags)
|
||
|
|
{
|
||
|
|
#if HAVE_INLINE_ASM
|
||
|
|
SET_HPEL_FUNCS(put, [0], 16, mmx);
|
||
|
|
SET_HPEL_FUNCS(put_no_rnd, [0], 16, mmx);
|
||
|
|
SET_HPEL_FUNCS(avg, [0], 16, mmx);
|
||
|
|
SET_HPEL_FUNCS(avg_no_rnd, , 16, mmx);
|
||
|
|
SET_HPEL_FUNCS(put, [1], 8, mmx);
|
||
|
|
SET_HPEL_FUNCS(put_no_rnd, [1], 8, mmx);
|
||
|
|
SET_HPEL_FUNCS(avg, [1], 8, mmx);
|
||
|
|
#endif /* HAVE_INLINE_ASM */
|
||
|
|
}
|
||
|
|
|
||
|
|
static void hpeldsp_init_mmxext(HpelDSPContext *c, int flags, int mm_flags)
|
||
|
|
{
|
||
|
|
#if HAVE_YASM
|
||
|
|
c->put_pixels_tab[0][1] = ff_put_pixels16_x2_mmxext;
|
||
|
|
c->put_pixels_tab[0][2] = ff_put_pixels16_y2_mmxext;
|
||
|
|
|
||
|
|
c->avg_pixels_tab[0][0] = ff_avg_pixels16_mmxext;
|
||
|
|
c->avg_pixels_tab[0][1] = ff_avg_pixels16_x2_mmxext;
|
||
|
|
c->avg_pixels_tab[0][2] = ff_avg_pixels16_y2_mmxext;
|
||
|
|
|
||
|
|
c->put_pixels_tab[1][1] = ff_put_pixels8_x2_mmxext;
|
||
|
|
c->put_pixels_tab[1][2] = ff_put_pixels8_y2_mmxext;
|
||
|
|
|
||
|
|
c->avg_pixels_tab[1][0] = ff_avg_pixels8_mmxext;
|
||
|
|
c->avg_pixels_tab[1][1] = ff_avg_pixels8_x2_mmxext;
|
||
|
|
c->avg_pixels_tab[1][2] = ff_avg_pixels8_y2_mmxext;
|
||
|
|
|
||
|
|
if (!(flags & CODEC_FLAG_BITEXACT)) {
|
||
|
|
c->put_no_rnd_pixels_tab[0][1] = ff_put_no_rnd_pixels16_x2_mmxext;
|
||
|
|
c->put_no_rnd_pixels_tab[0][2] = ff_put_no_rnd_pixels16_y2_mmxext;
|
||
|
|
c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_mmxext;
|
||
|
|
c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_mmxext;
|
||
|
|
|
||
|
|
c->avg_pixels_tab[0][3] = ff_avg_pixels16_xy2_mmxext;
|
||
|
|
c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_mmxext;
|
||
|
|
}
|
||
|
|
#endif /* HAVE_YASM */
|
||
|
|
|
||
|
|
#if HAVE_MMXEXT_EXTERNAL
|
||
|
|
if (flags & CODEC_FLAG_BITEXACT && CONFIG_VP3_DECODER) {
|
||
|
|
c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_exact_mmxext;
|
||
|
|
c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_exact_mmxext;
|
||
|
|
}
|
||
|
|
#endif /* HAVE_MMXEXT_EXTERNAL */
|
||
|
|
}
|
||
|
|
|
||
|
|
static void hpeldsp_init_3dnow(HpelDSPContext *c, int flags, int mm_flags)
|
||
|
|
{
|
||
|
|
#if HAVE_YASM
|
||
|
|
c->put_pixels_tab[0][1] = ff_put_pixels16_x2_3dnow;
|
||
|
|
c->put_pixels_tab[0][2] = ff_put_pixels16_y2_3dnow;
|
||
|
|
|
||
|
|
c->avg_pixels_tab[0][0] = ff_avg_pixels16_3dnow;
|
||
|
|
c->avg_pixels_tab[0][1] = ff_avg_pixels16_x2_3dnow;
|
||
|
|
c->avg_pixels_tab[0][2] = ff_avg_pixels16_y2_3dnow;
|
||
|
|
|
||
|
|
c->put_pixels_tab[1][1] = ff_put_pixels8_x2_3dnow;
|
||
|
|
c->put_pixels_tab[1][2] = ff_put_pixels8_y2_3dnow;
|
||
|
|
|
||
|
|
c->avg_pixels_tab[1][0] = ff_avg_pixels8_3dnow;
|
||
|
|
c->avg_pixels_tab[1][1] = ff_avg_pixels8_x2_3dnow;
|
||
|
|
c->avg_pixels_tab[1][2] = ff_avg_pixels8_y2_3dnow;
|
||
|
|
|
||
|
|
if (!(flags & CODEC_FLAG_BITEXACT)){
|
||
|
|
c->put_no_rnd_pixels_tab[0][1] = ff_put_no_rnd_pixels16_x2_3dnow;
|
||
|
|
c->put_no_rnd_pixels_tab[0][2] = ff_put_no_rnd_pixels16_y2_3dnow;
|
||
|
|
c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_3dnow;
|
||
|
|
c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_3dnow;
|
||
|
|
|
||
|
|
c->avg_pixels_tab[0][3] = ff_avg_pixels16_xy2_3dnow;
|
||
|
|
c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_3dnow;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (flags & CODEC_FLAG_BITEXACT && CONFIG_VP3_DECODER) {
|
||
|
|
c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_exact_3dnow;
|
||
|
|
c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_exact_3dnow;
|
||
|
|
}
|
||
|
|
#endif /* HAVE_YASM */
|
||
|
|
}
|
||
|
|
|
||
|
|
static void hpeldsp_init_sse2(HpelDSPContext *c, int flags, int mm_flags)
|
||
|
|
{
|
||
|
|
#if HAVE_SSE2_EXTERNAL
|
||
|
|
if (!(mm_flags & AV_CPU_FLAG_SSE2SLOW)) {
|
||
|
|
// these functions are slower than mmx on AMD, but faster on Intel
|
||
|
|
c->put_pixels_tab[0][0] = ff_put_pixels16_sse2;
|
||
|
|
c->put_no_rnd_pixels_tab[0][0] = ff_put_pixels16_sse2;
|
||
|
|
c->avg_pixels_tab[0][0] = ff_avg_pixels16_sse2;
|
||
|
|
}
|
||
|
|
#endif /* HAVE_SSE2_EXTERNAL */
|
||
|
|
}
|
||
|
|
|
||
|
|
void ff_hpeldsp_init_x86(HpelDSPContext *c, int flags)
|
||
|
|
{
|
||
|
|
int mm_flags = av_get_cpu_flags();
|
||
|
|
|
||
|
|
if (mm_flags & AV_CPU_FLAG_MMX)
|
||
|
|
hpeldsp_init_mmx(c, flags, mm_flags);
|
||
|
|
|
||
|
|
if (mm_flags & AV_CPU_FLAG_MMXEXT)
|
||
|
|
hpeldsp_init_mmxext(c, flags, mm_flags);
|
||
|
|
|
||
|
|
if (mm_flags & AV_CPU_FLAG_3DNOW)
|
||
|
|
hpeldsp_init_3dnow(c, flags, mm_flags);
|
||
|
|
|
||
|
|
if (mm_flags & AV_CPU_FLAG_SSE2)
|
||
|
|
hpeldsp_init_sse2(c, flags, mm_flags);
|
||
|
|
}
|