mirror of
https://git.ffmpeg.org/ffmpeg.git
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Rémi Denis-Courmont
a4cb6c724b
SpacemiT X60: sub_left_predict_c: 51836.0 ( 1.00x) sub_left_predict_rvv_i32: 5843.1 ( 8.87x)
44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
/*
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* Copyright © 2023 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/lossless_videoencdsp.h"
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void ff_llvidenc_diff_bytes_rvv(uint8_t *dst, const uint8_t *src1,
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const uint8_t *src2, intptr_t w);
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void ff_llvidenc_sub_left_predict_rvv(uint8_t *dst, const uint8_t *src,
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ptrdiff_t stride, ptrdiff_t width,
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int height);
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av_cold void ff_llvidencdsp_init_riscv(LLVidEncDSPContext *c)
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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) {
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c->diff_bytes = ff_llvidenc_diff_bytes_rvv;
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c->sub_left_predict = ff_llvidenc_sub_left_predict_rvv;
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}
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#endif
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}
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