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190106e884
* commit 'd3789eeeed3423bd1ca9dc40030a2f7a21ea5332': aarch64: implement videodsp.prefetch Merged-by: Michael Niedermayer <michaelni@gmx.at>
33 lines
1.1 KiB
C
33 lines
1.1 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 "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/aarch64/cpu.h"
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#include "libavcodec/videodsp.h"
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void ff_prefetch_aarch64(uint8_t *mem, ptrdiff_t stride, int h);
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av_cold void ff_videodsp_init_aarch64(VideoDSPContext *ctx, int bpc)
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{
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int cpu_flags = av_get_cpu_flags();
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if (have_armv8(cpu_flags))
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ctx->prefetch = ff_prefetch_aarch64;
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}
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