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https://github.com/FFmpeg/FFmpeg.git
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01e190dc99
Provide neon implementation for pix_abs16_x2 function. Performance tests of implementation are below. - pix_abs_0_1_c: 283.5 - pix_abs_0_1_neon: 39.0 Benchmarks and tests run with checkasm tool on AWS Graviton 3. Signed-off-by: Hubert Mazur <hum@semihalf.com> Signed-off-by: Martin Storsjö <martin@martin.st>
45 lines
1.6 KiB
C
45 lines
1.6 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 "libavcodec/mpegvideo.h"
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int ff_pix_abs16_neon(MpegEncContext *s, uint8_t *blk1, uint8_t *blk2,
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ptrdiff_t stride, int h);
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int ff_pix_abs16_xy2_neon(MpegEncContext *s, uint8_t *blk1, uint8_t *blk2,
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ptrdiff_t stride, int h);
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int ff_pix_abs16_x2_neon(MpegEncContext *v, uint8_t *pix1, uint8_t *pix2,
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ptrdiff_t stride, int h);
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av_cold void ff_me_cmp_init_aarch64(MECmpContext *c, 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_abs[0][0] = ff_pix_abs16_neon;
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c->pix_abs[0][1] = ff_pix_abs16_x2_neon;
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c->pix_abs[0][3] = ff_pix_abs16_xy2_neon;
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c->sad[0] = ff_pix_abs16_neon;
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}
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}
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