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https://github.com/FFmpeg/FFmpeg.git
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b252178321
Cortex A7 A8 A9 A53 A72 get_pixels_c: 144.7 146.0 143.0 137.7 69.0 get_pixels_armv6: 112.0 106.7 90.2 95.0 72.5 get_pixels_neon: 69.0 29.7 68.7 40.2 19.0 get_pixels_unaligned_c: 144.7 146.2 143.0 137.7 69.0 get_pixels_unaligned_neon: 77.0 36.5 72.5 48.5 19.0 diff_pixels_c: 376.7 319.7 265.5 307.7 148.0 diff_pixels_armv6: 179.0 159.5 205.5 139.0 142.0 diff_pixels_neon: 69.0 40.2 77.5 53.2 26.0 diff_pixels_unaligned_c: 376.7 319.7 265.5 307.7 148.0 diff_pixels_unaligned_neon: 85.0 54.5 93.5 66.7 26.0 Signed-off-by: Martin Storsjö <martin@martin.st>
62 lines
2.3 KiB
C
62 lines
2.3 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 "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/arm/cpu.h"
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#include "libavcodec/avcodec.h"
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#include "libavcodec/pixblockdsp.h"
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void ff_get_pixels_armv6(int16_t *block, const uint8_t *pixels,
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ptrdiff_t stride);
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void ff_diff_pixels_armv6(int16_t *block, const uint8_t *s1,
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const uint8_t *s2, ptrdiff_t stride);
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void ff_get_pixels_neon(int16_t *block, const uint8_t *pixels,
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ptrdiff_t stride);
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void ff_get_pixels_unaligned_neon(int16_t *block, const uint8_t *pixels,
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ptrdiff_t stride);
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void ff_diff_pixels_neon(int16_t *block, const uint8_t *s1,
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const uint8_t *s2, ptrdiff_t stride);
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void ff_diff_pixels_unaligned_neon(int16_t *block, const uint8_t *s1,
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const uint8_t *s2, ptrdiff_t stride);
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av_cold void ff_pixblockdsp_init_arm(PixblockDSPContext *c,
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AVCodecContext *avctx,
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unsigned high_bit_depth)
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{
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int cpu_flags = av_get_cpu_flags();
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if (have_armv6(cpu_flags)) {
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if (!high_bit_depth)
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c->get_pixels = ff_get_pixels_armv6;
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c->diff_pixels = ff_diff_pixels_armv6;
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}
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if (have_neon(cpu_flags)) {
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if (!high_bit_depth) {
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c->get_pixels_unaligned = ff_get_pixels_unaligned_neon;
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c->get_pixels = ff_get_pixels_neon;
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}
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c->diff_pixels_unaligned = ff_diff_pixels_unaligned_neon;
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c->diff_pixels = ff_diff_pixels_neon;
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}
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}
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