mirror of https://github.com/FFmpeg/FFmpeg.git
* commit '009331303a6462d07cbe94aef9c446f1a1695519': x86: huffyuvdsp: Move inline assembly to init file Conflicts: libavcodec/x86/Makefile libavcodec/x86/huffyuvdsp.h libavcodec/x86/huffyuvdsp_init.c libavcodec/x86/huffyuvdsp_mmx.c Merged-by: Michael Niedermayer <michaelni@gmx.at>pull/76/merge
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6bef3e55bd
4 changed files with 43 additions and 94 deletions
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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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#ifndef AVCODEC_X86_HUFFYUVDSP_H |
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#define AVCODEC_X86_HUFFYUVDSP_H |
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#include <stdint.h> |
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void ff_add_hfyu_median_pred_cmov(uint8_t *dst, const uint8_t *top, |
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const uint8_t *diff, intptr_t w, |
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int *left, int *left_top); |
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#endif /* AVCODEC_X86_HUFFYUVDSP_H */ |
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/*
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* Copyright (c) 2009 Loren Merritt <lorenm@u.washington.edu> |
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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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#include "config.h" |
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#include "libavutil/x86/asm.h" |
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#include "huffyuvdsp.h" |
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#if HAVE_INLINE_ASM && HAVE_7REGS && ARCH_X86_32 |
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void ff_add_hfyu_median_pred_cmov(uint8_t *dst, const uint8_t *top, |
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const uint8_t *diff, intptr_t w, |
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int *left, int *left_top) |
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{ |
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x86_reg w2 = -w; |
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x86_reg x; |
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int l = *left & 0xff; |
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int tl = *left_top & 0xff; |
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int t; |
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__asm__ volatile ( |
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"mov %7, %3 \n" |
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"1: \n" |
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"movzbl (%3, %4), %2 \n" |
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"mov %2, %k3 \n" |
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"sub %b1, %b3 \n" |
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"add %b0, %b3 \n" |
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"mov %2, %1 \n" |
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"cmp %0, %2 \n" |
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"cmovg %0, %2 \n" |
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"cmovg %1, %0 \n" |
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"cmp %k3, %0 \n" |
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"cmovg %k3, %0 \n" |
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"mov %7, %3 \n" |
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"cmp %2, %0 \n" |
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"cmovl %2, %0 \n" |
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"add (%6, %4), %b0 \n" |
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"mov %b0, (%5, %4) \n" |
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"inc %4 \n" |
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"jl 1b \n" |
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: "+&q"(l), "+&q"(tl), "=&r"(t), "=&q"(x), "+&r"(w2) |
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: "r"(dst + w), "r"(diff + w), "rm"(top + w) |
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); |
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*left = l; |
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*left_top = tl; |
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} |
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#endif |
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