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https://github.com/FFmpeg/FFmpeg.git
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b3825bbe45
This should fix the build on LLVM 16 and earlier, at the cost of turning all non-RVV optimisations off.
53 lines
1.8 KiB
C
53 lines
1.8 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 "config.h"
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#include "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavcodec/audiodsp.h"
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void ff_vector_clipf_rvf(float *dst, const float *src, int len, float min, float max);
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int32_t ff_scalarproduct_int16_rvv(const int16_t *v1, const int16_t *v2, int len);
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void ff_vector_clip_int32_rvv(int32_t *dst, const int32_t *src, int32_t min,
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int32_t max, unsigned int len);
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void ff_vector_clipf_rvv(float *dst, const float *src, int len, float min, float max);
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av_cold void ff_audiodsp_init_riscv(AudioDSPContext *c)
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{
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#if HAVE_RV
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int flags = av_get_cpu_flags();
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if (flags & AV_CPU_FLAG_RVF)
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c->vector_clipf = ff_vector_clipf_rvf;
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#if HAVE_RVV
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if (flags & AV_CPU_FLAG_RVB_ADDR) {
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if (flags & AV_CPU_FLAG_RVV_I32) {
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c->scalarproduct_int16 = ff_scalarproduct_int16_rvv;
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c->vector_clip_int32 = ff_vector_clip_int32_rvv;
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}
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if (flags & AV_CPU_FLAG_RVV_F32)
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c->vector_clipf = ff_vector_clipf_rvv;
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}
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#endif
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#endif
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}
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