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a1bfb5290e
This is currently 64-bit only because the stack spilling code would not assemble on RV32I (and it would corrupt s0 and s1 on RV128I, in theory). This could be added later in the unlikely that someone wants it.
62 lines
2.5 KiB
C
62 lines
2.5 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 "libswscale/rgb2rgb.h"
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void ff_shuffle_bytes_0321_rvv(const uint8_t *src, uint8_t *dst, int src_len);
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void ff_shuffle_bytes_2103_rvv(const uint8_t *src, uint8_t *dst, int src_len);
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void ff_shuffle_bytes_1230_rvv(const uint8_t *src, uint8_t *dst, int src_len);
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void ff_shuffle_bytes_3012_rvv(const uint8_t *src, uint8_t *dst, int src_len);
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void ff_shuffle_bytes_3210_rvv(const uint8_t *src, uint8_t *dst, int src_len);
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void ff_interleave_bytes_rvv(const uint8_t *src1, const uint8_t *src2,
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uint8_t *dst, int width, int height, int s1stride,
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int s2stride, int dstride);
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void ff_uyvytoyuv422_rvv(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
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const uint8_t *src, int width, int height,
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int ystride, int uvstride, int src_stride);
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void ff_yuyvtoyuv422_rvv(uint8_t *ydst, uint8_t *udst, uint8_t *vdst,
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const uint8_t *src, int width, int height,
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int ystride, int uvstride, int src_stride);
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av_cold void rgb2rgb_init_riscv(void)
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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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shuffle_bytes_0321 = ff_shuffle_bytes_0321_rvv;
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shuffle_bytes_2103 = ff_shuffle_bytes_2103_rvv;
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shuffle_bytes_1230 = ff_shuffle_bytes_1230_rvv;
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shuffle_bytes_3012 = ff_shuffle_bytes_3012_rvv;
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shuffle_bytes_3210 = ff_shuffle_bytes_3210_rvv;
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interleaveBytes = ff_interleave_bytes_rvv;
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#if (__riscv_xlen == 64)
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uyvytoyuv422 = ff_uyvytoyuv422_rvv;
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yuyvtoyuv422 = ff_yuyvtoyuv422_rvv;
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#endif
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}
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#endif
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}
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