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49 lines
1.8 KiB
C
49 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 <stdint.h>
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#include "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/riscv/cpu.h"
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#include "libavcodec/avcodec.h"
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#include "libavcodec/idctdsp.h"
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void ff_put_pixels_clamped_rvv(const int16_t *block, uint8_t *pixels,
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ptrdiff_t stride);
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void ff_put_signed_pixels_clamped_rvv(const int16_t *block, uint8_t *pixels,
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ptrdiff_t stride);
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void ff_add_pixels_clamped_rvv(const int16_t *block, uint8_t *pixels,
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ptrdiff_t stride);
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av_cold void ff_idctdsp_init_riscv(IDCTDSPContext *c, AVCodecContext *avctx,
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unsigned high_bit_depth)
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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_I64) && ff_get_rv_vlenb() >= 16) {
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c->put_pixels_clamped = ff_put_pixels_clamped_rvv;
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c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_rvv;
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c->add_pixels_clamped = ff_add_pixels_clamped_rvv;
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}
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#endif
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}
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