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e0604d508e
This allows speeding up format conversions from yuv420 to nv12.
Cortex A53 A72 A73
interleave_bytes_c: 86077.5 51433.0 66972.0
interleave_bytes_neon: 19701.7 23019.2 15859.2
interleave_bytes_aligned_c: 86603.0 52017.2 67484.2
interleave_bytes_aligned_neon: 9061.0 7623.0 6309.0
Signed-off-by: Martin Storsjö <martin@martin.st>
42 lines
1.4 KiB
C
42 lines
1.4 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 <stdint.h>
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#include "config.h"
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#include "libavutil/attributes.h"
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#include "libavutil/aarch64/cpu.h"
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#include "libavutil/cpu.h"
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#include "libavutil/bswap.h"
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#include "libswscale/rgb2rgb.h"
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#include "libswscale/swscale.h"
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#include "libswscale/swscale_internal.h"
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void ff_interleave_bytes_neon(const uint8_t *src1, const uint8_t *src2,
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uint8_t *dest, int width, int height,
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int src1Stride, int src2Stride, int dstStride);
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av_cold void rgb2rgb_init_aarch64(void)
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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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interleaveBytes = ff_interleave_bytes_neon;
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}
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}
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