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65 lines
2.6 KiB
C
65 lines
2.6 KiB
C
/*
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* Copyright © 2022 Rémi Denis-Courmont.
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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
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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/cpu.h"
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#include "libavutil/fixed_dsp.h"
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void ff_vector_fmul_window_scaled_rvv(int16_t *dst, const int32_t *src0,
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const int32_t *src1, const int32_t *win,
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int len, uint8_t bits);
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void ff_vector_fmul_window_fixed_rvv(int32_t *dst, const int32_t *src0,
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const int32_t *src1, const int32_t *win,
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int len);
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void ff_vector_fmul_fixed_rvv(int *dst, const int *src0, const int *src1,
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int len);
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void ff_vector_fmul_reverse_fixed_rvv(int *dst, const int *src0,
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const int *src1, int len);
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void ff_vector_fmul_add_fixed_rvv(int *dst, const int *src0, const int *src1,
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const int *src2, int len);
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int ff_scalarproduct_fixed_rvv(const int *v1, const int *v2, int len);
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void ff_butterflies_fixed_rvv(int *v1, int *v2, int len);
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av_cold void ff_fixed_dsp_init_riscv(AVFixedDSPContext *fdsp)
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{
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#if HAVE_RVV
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int flags = av_get_cpu_flags();
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if ((flags & AV_CPU_FLAG_RVV_I32) && (flags & AV_CPU_FLAG_RVB)) {
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if (flags & AV_CPU_FLAG_RVV_I64) {
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fdsp->vector_fmul_window_scaled = ff_vector_fmul_window_scaled_rvv;
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fdsp->vector_fmul_window = ff_vector_fmul_window_fixed_rvv;
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}
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fdsp->vector_fmul = ff_vector_fmul_fixed_rvv;
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fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_fixed_rvv;
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fdsp->vector_fmul_add = ff_vector_fmul_add_fixed_rvv;
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if (flags & AV_CPU_FLAG_RVV_I64)
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fdsp->scalarproduct_fixed = ff_scalarproduct_fixed_rvv;
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fdsp->butterflies_fixed = ff_butterflies_fixed_rvv;
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}
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#endif
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}
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