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46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
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/*
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* VP6 MMX/SSE2 optimizations
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* Copyright (C) 2009 Sebastien Lucas <sebastien.lucas@gmail.com>
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* Copyright (C) 2009 Zuxy Meng <zuxy.meng@gmail.com>
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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 "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/x86/cpu.h"
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#include "libavcodec/vp56dsp.h"
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void ff_vp6_filter_diag4_mmx(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
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const int16_t *h_weights,const int16_t *v_weights);
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void ff_vp6_filter_diag4_sse2(uint8_t *dst, uint8_t *src, ptrdiff_t stride,
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const int16_t *h_weights,const int16_t *v_weights);
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av_cold void ff_vp6dsp_init_x86(VP56DSPContext *c)
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{
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int cpu_flags = av_get_cpu_flags();
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#if ARCH_X86_32
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if (EXTERNAL_MMX(cpu_flags)) {
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c->vp6_filter_diag4 = ff_vp6_filter_diag4_mmx;
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}
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#endif
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if (EXTERNAL_SSE2(cpu_flags)) {
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c->vp6_filter_diag4 = ff_vp6_filter_diag4_sse2;
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}
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}
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