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https://github.com/FFmpeg/FFmpeg.git
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8c203ea7c7
A55 A76 pix_norm1_c: 484.3 235.2 pix_norm1_neon: 193.8 ( 2.50x) 44.7 ( 5.26x) pix_norm1_dotprod: 91.8 ( 5.28x) 21.2 (11.09x)
50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
/*
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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 <stddef.h>
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#include <stdint.h>
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#include "libavutil/attributes.h"
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#include "libavutil/aarch64/cpu.h"
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#include "libavcodec/mpegvideoencdsp.h"
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#include "config.h"
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int ff_pix_sum16_neon(const uint8_t *pix, int line_size);
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int ff_pix_norm1_neon(const uint8_t *pix, int line_size);
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#if HAVE_DOTPROD
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int ff_pix_norm1_neon_dotprod(const uint8_t *pix, int line_size);
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#endif
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av_cold void ff_mpegvideoencdsp_init_aarch64(MpegvideoEncDSPContext *c,
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AVCodecContext *avctx)
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{
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int cpu_flags = av_get_cpu_flags();
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if (have_neon(cpu_flags)) {
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c->pix_sum = ff_pix_sum16_neon;
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c->pix_norm1 = ff_pix_norm1_neon;
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}
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#if HAVE_DOTPROD
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if (have_dotprod(cpu_flags)) {
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c->pix_norm1 = ff_pix_norm1_neon_dotprod;
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}
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#endif
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}
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