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53 lines
1.9 KiB
53 lines
1.9 KiB
2 years ago
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/*
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* Copyright (c) 2022 Loongson Technology Corporation Limited
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* Contributed by Hao Chen(chenhao@loongson.cn)
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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 "swscale_loongarch.h"
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#include "libavutil/loongarch/loongson_intrinsics.h"
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void ff_interleave_bytes_lasx(const uint8_t *src1, const uint8_t *src2,
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uint8_t *dest, int width, int height,
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int src1Stride, int src2Stride, int dstStride)
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{
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int h;
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int len = width & (0xFFFFFFF0);
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for (h = 0; h < height; h++) {
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int w, index = 0;
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__m256i src_1, src_2, dst;
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for (w = 0; w < len; w += 16) {
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DUP2_ARG2(__lasx_xvld, src1 + w, 0, src2 + w, 0, src_1, src_2);
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src_1 = __lasx_xvpermi_d(src_1, 0xD8);
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src_2 = __lasx_xvpermi_d(src_2, 0xD8);
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dst = __lasx_xvilvl_b(src_2, src_1);
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__lasx_xvst(dst, dest + index, 0);
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index += 32;
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}
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for (; w < width; w++) {
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dest[(w << 1) + 0] = src1[w];
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dest[(w << 1) + 1] = src2[w];
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}
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dest += dstStride;
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src1 += src1Stride;
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src2 += src2Stride;
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}
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}
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