Chiebot-Mirror
/
FFmpeg
mirror of https://github.com/FFmpeg/FFmpeg.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
89259 Commits
37 Branches
400 Tags
465 MiB
 
 
 
 
Tag: Branch: Tree: 24cc0a53e9
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from '24cc0a53e9'
${ noResults }
FFmpeg/libavcodec/x86/rnd_template.c

175 lines
7.3 KiB
Raw Blame History

/*
* SIMD-optimized halfpel functions are compiled twice for rnd/no_rnd
* Copyright (c) 2000, 2001 Fabrice Bellard
* Copyright (c) 2003-2004 Michael Niedermayer <michaelni@gmx.at>
*
* MMX optimization by Nick Kurshev <nickols_k@mail.ru>
* mostly rewritten by Michael Niedermayer <michaelni@gmx.at>
* and improved by Zdenek Kabelac <kabi@users.sf.net>
*
* 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
*/
#include <stddef.h>
#include <stdint.h>
#include "inline_asm.h"
// put_pixels
av_unused STATIC void DEF(put, pixels8_xy2)(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h)
{
MOVQ_ZERO(mm7);
SET_RND(mm6); // =2 for rnd and =1 for no_rnd version
__asm__ volatile(
"movq (%1), %%mm0 \n\t"
"movq 1(%1), %%mm4 \n\t"
"movq %%mm0, %%mm1 \n\t"
"movq %%mm4, %%mm5 \n\t"
"punpcklbw %%mm7, %%mm0 \n\t"
"punpcklbw %%mm7, %%mm4 \n\t"
"punpckhbw %%mm7, %%mm1 \n\t"
"punpckhbw %%mm7, %%mm5 \n\t"
"paddusw %%mm0, %%mm4 \n\t"
"paddusw %%mm1, %%mm5 \n\t"
"xor %%"FF_REG_a", %%"FF_REG_a" \n\t"
"add %3, %1 \n\t"
".p2align 3 \n\t"
"1: \n\t"
"movq (%1, %%"FF_REG_a"), %%mm0 \n\t"
"movq 1(%1, %%"FF_REG_a"), %%mm2 \n\t"
"movq %%mm0, %%mm1 \n\t"
"movq %%mm2, %%mm3 \n\t"
"punpcklbw %%mm7, %%mm0 \n\t"
"punpcklbw %%mm7, %%mm2 \n\t"
"punpckhbw %%mm7, %%mm1 \n\t"
"punpckhbw %%mm7, %%mm3 \n\t"
"paddusw %%mm2, %%mm0 \n\t"
"paddusw %%mm3, %%mm1 \n\t"
"paddusw %%mm6, %%mm4 \n\t"
"paddusw %%mm6, %%mm5 \n\t"
"paddusw %%mm0, %%mm4 \n\t"
"paddusw %%mm1, %%mm5 \n\t"
"psrlw $2, %%mm4 \n\t"
"psrlw $2, %%mm5 \n\t"
"packuswb %%mm5, %%mm4 \n\t"
"movq %%mm4, (%2, %%"FF_REG_a") \n\t"
"add %3, %%"FF_REG_a" \n\t"
"movq (%1, %%"FF_REG_a"), %%mm2 \n\t" // 0 <-> 2 1 <-> 3
"movq 1(%1, %%"FF_REG_a"), %%mm4 \n\t"
"movq %%mm2, %%mm3 \n\t"
"movq %%mm4, %%mm5 \n\t"
"punpcklbw %%mm7, %%mm2 \n\t"
"punpcklbw %%mm7, %%mm4 \n\t"
"punpckhbw %%mm7, %%mm3 \n\t"
"punpckhbw %%mm7, %%mm5 \n\t"
"paddusw %%mm2, %%mm4 \n\t"
"paddusw %%mm3, %%mm5 \n\t"
"paddusw %%mm6, %%mm0 \n\t"
"paddusw %%mm6, %%mm1 \n\t"
"paddusw %%mm4, %%mm0 \n\t"
"paddusw %%mm5, %%mm1 \n\t"
"psrlw $2, %%mm0 \n\t"
"psrlw $2, %%mm1 \n\t"
"packuswb %%mm1, %%mm0 \n\t"
"movq %%mm0, (%2, %%"FF_REG_a") \n\t"
"add %3, %%"FF_REG_a" \n\t"
"subl $2, %0 \n\t"
"jnz 1b \n\t"
:"+g"(h), "+S"(pixels)
:"D"(block), "r"((x86_reg)line_size)
:FF_REG_a, "memory");
}
// avg_pixels
// this routine is 'slightly' suboptimal but mostly unused
av_unused STATIC void DEF(avg, pixels8_xy2)(uint8_t *block, const uint8_t *pixels,
ptrdiff_t line_size, int h)
{
MOVQ_ZERO(mm7);
SET_RND(mm6); // =2 for rnd and =1 for no_rnd version
__asm__ volatile(
"movq (%1), %%mm0 \n\t"
"movq 1(%1), %%mm4 \n\t"
"movq %%mm0, %%mm1 \n\t"
"movq %%mm4, %%mm5 \n\t"
"punpcklbw %%mm7, %%mm0 \n\t"
"punpcklbw %%mm7, %%mm4 \n\t"
"punpckhbw %%mm7, %%mm1 \n\t"
"punpckhbw %%mm7, %%mm5 \n\t"
"paddusw %%mm0, %%mm4 \n\t"
"paddusw %%mm1, %%mm5 \n\t"
"xor %%"FF_REG_a", %%"FF_REG_a" \n\t"
"add %3, %1 \n\t"
".p2align 3 \n\t"
"1: \n\t"
"movq (%1, %%"FF_REG_a"), %%mm0 \n\t"
"movq 1(%1, %%"FF_REG_a"), %%mm2 \n\t"
"movq %%mm0, %%mm1 \n\t"
"movq %%mm2, %%mm3 \n\t"
"punpcklbw %%mm7, %%mm0 \n\t"
"punpcklbw %%mm7, %%mm2 \n\t"
"punpckhbw %%mm7, %%mm1 \n\t"
"punpckhbw %%mm7, %%mm3 \n\t"
"paddusw %%mm2, %%mm0 \n\t"
"paddusw %%mm3, %%mm1 \n\t"
"paddusw %%mm6, %%mm4 \n\t"
"paddusw %%mm6, %%mm5 \n\t"
"paddusw %%mm0, %%mm4 \n\t"
"paddusw %%mm1, %%mm5 \n\t"
"psrlw $2, %%mm4 \n\t"
"psrlw $2, %%mm5 \n\t"
"movq (%2, %%"FF_REG_a"), %%mm3 \n\t"
"packuswb %%mm5, %%mm4 \n\t"
"pcmpeqd %%mm2, %%mm2 \n\t"
"paddb %%mm2, %%mm2 \n\t"
PAVGB_MMX(%%mm3, %%mm4, %%mm5, %%mm2)
"movq %%mm5, (%2, %%"FF_REG_a") \n\t"
"add %3, %%"FF_REG_a" \n\t"
"movq (%1, %%"FF_REG_a"), %%mm2 \n\t" // 0 <-> 2 1 <-> 3
"movq 1(%1, %%"FF_REG_a"), %%mm4 \n\t"
"movq %%mm2, %%mm3 \n\t"
"movq %%mm4, %%mm5 \n\t"
"punpcklbw %%mm7, %%mm2 \n\t"
"punpcklbw %%mm7, %%mm4 \n\t"
"punpckhbw %%mm7, %%mm3 \n\t"
"punpckhbw %%mm7, %%mm5 \n\t"
"paddusw %%mm2, %%mm4 \n\t"
"paddusw %%mm3, %%mm5 \n\t"
"paddusw %%mm6, %%mm0 \n\t"
"paddusw %%mm6, %%mm1 \n\t"
"paddusw %%mm4, %%mm0 \n\t"
"paddusw %%mm5, %%mm1 \n\t"
"psrlw $2, %%mm0 \n\t"
"psrlw $2, %%mm1 \n\t"
"movq (%2, %%"FF_REG_a"), %%mm3 \n\t"
"packuswb %%mm1, %%mm0 \n\t"
"pcmpeqd %%mm2, %%mm2 \n\t"
"paddb %%mm2, %%mm2 \n\t"
PAVGB_MMX(%%mm3, %%mm0, %%mm1, %%mm2)
"movq %%mm1, (%2, %%"FF_REG_a") \n\t"
"add %3, %%"FF_REG_a" \n\t"
"subl $2, %0 \n\t"
"jnz 1b \n\t"
:"+g"(h), "+S"(pixels)
:"D"(block), "r"((x86_reg)line_size)
:FF_REG_a, "memory");
}