58 lines
2.1 KiB
C
58 lines
2.1 KiB
C
/*
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* SIMD-optimized lossless video encoding functions
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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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* MMX optimization by Nick Kurshev <nickols_k@mail.ru>
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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/lossless_videoencdsp.h"
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void ff_diff_bytes_sse2(uint8_t *dst, const uint8_t *src1, const uint8_t *src2,
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intptr_t w);
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void ff_diff_bytes_avx2(uint8_t *dst, const uint8_t *src1, const uint8_t *src2,
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intptr_t w);
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void ff_sub_median_pred_sse2(uint8_t *dst, const uint8_t *src1,
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const uint8_t *src2, intptr_t w,
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int *left, int *left_top);
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void ff_sub_left_predict_avx(uint8_t *dst, const uint8_t *src,
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ptrdiff_t stride, ptrdiff_t width, int height);
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av_cold void ff_llvidencdsp_init_x86(LLVidEncDSPContext *c)
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{
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int cpu_flags = av_get_cpu_flags();
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if (EXTERNAL_SSE2(cpu_flags)) {
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c->sub_median_pred = ff_sub_median_pred_sse2;
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c->diff_bytes = ff_diff_bytes_sse2;
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}
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if (EXTERNAL_AVX(cpu_flags)) {
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c->sub_left_predict = ff_sub_left_predict_avx;
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}
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if (EXTERNAL_AVX2_FAST(cpu_flags)) {
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c->diff_bytes = ff_diff_bytes_avx2;
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}
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}
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