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47 lines
1.4 KiB
47 lines
1.4 KiB
/* |
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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 "libavcodec/bswapdsp.h" |
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void ff_bswap32_buf_rvb(uint32_t *dst, const uint32_t *src, int len); |
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void ff_bswap16_buf_rvv(uint16_t *dst, const uint16_t *src, int len); |
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av_cold void ff_bswapdsp_init_riscv(BswapDSPContext *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_RVB_ADDR) { |
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#if (__riscv_xlen >= 64) |
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if (flags & AV_CPU_FLAG_RVB_BASIC) |
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c->bswap_buf = ff_bswap32_buf_rvb; |
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#endif |
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#if HAVE_RVV |
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if (flags & AV_CPU_FLAG_RVV_I32) |
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c->bswap16_buf = ff_bswap16_buf_rvv; |
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#endif |
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} |
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#endif |
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}
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