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50 lines
2.1 KiB
50 lines
2.1 KiB
/* |
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* Copyright (c) 2024 Geoff Hill <geoff@geoffhill.org> |
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* |
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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 modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (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 |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with FFmpeg; if not, write to the Free Software Foundation, Inc., |
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* 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/arm/cpu.h" |
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#include "libavutil/attributes.h" |
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#include "libavcodec/ac3dsp.h" |
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#include "config.h" |
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void ff_ac3_exponent_min_neon(uint8_t *exp, int num_reuse_blocks, int nb_coefs); |
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void ff_ac3_extract_exponents_neon(uint8_t *exp, int32_t *coef, int nb_coefs); |
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void ff_float_to_fixed24_neon(int32_t *dst, const float *src, size_t len); |
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void ff_ac3_sum_square_butterfly_int32_neon(int64_t sum[4], |
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const int32_t *coef0, |
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const int32_t *coef1, |
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int len); |
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void ff_ac3_sum_square_butterfly_float_neon(float sum[4], |
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const float *coef0, |
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const float *coef1, |
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int len); |
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av_cold void ff_ac3dsp_init_aarch64(AC3DSPContext *c) |
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{ |
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int cpu_flags = av_get_cpu_flags(); |
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if (!have_neon(cpu_flags)) return; |
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c->ac3_exponent_min = ff_ac3_exponent_min_neon; |
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c->extract_exponents = ff_ac3_extract_exponents_neon; |
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c->float_to_fixed24 = ff_float_to_fixed24_neon; |
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c->sum_square_butterfly_int32 = ff_ac3_sum_square_butterfly_int32_neon; |
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c->sum_square_butterfly_float = ff_ac3_sum_square_butterfly_float_neon; |
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}
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