/* * This file is part of FFmpeg. * * FFmpeg is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * FFmpeg is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include <stdint.h> #include "libavutil/attributes.h"#include "libavutil/bswap.h"#include "bswapdsp.h" static void bswap_buf(uint32_t *dst, const uint32_t *src, int w){    int i;     for (i = 0; i + 8 <= w; i += 8) {        dst[i + 0] = av_bswap32(src[i + 0]);        dst[i + 1] = av_bswap32(src[i + 1]);        dst[i + 2] = av_bswap32(src[i + 2]);        dst[i + 3] = av_bswap32(src[i + 3]);        dst[i + 4] = av_bswap32(src[i + 4]);        dst[i + 5] = av_bswap32(src[i + 5]);        dst[i + 6] = av_bswap32(src[i + 6]);        dst[i + 7] = av_bswap32(src[i + 7]);    }    for (; i < w; i++)        dst[i + 0] = av_bswap32(src[i + 0]);} static void bswap16_buf(uint16_t *dst, const uint16_t *src, int len){    while (len--)        *dst++ = av_bswap16(*src++);} av_cold void ff_bswapdsp_init(BswapDSPContext *c){    c->bswap_buf   = bswap_buf;    c->bswap16_buf = bswap16_buf; #if ARCH_RISCV    ff_bswapdsp_init_riscv(c);#elif ARCH_X86    ff_bswapdsp_init_x86(c);#endif}