1/*
2 * This file is part of FFmpeg.
3 *
4 * FFmpeg is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * FFmpeg is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with FFmpeg; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19#include <stdint.h>
20
21#include "libavutil/attributes.h"
22#include "libavutil/bswap.h"
23#include "bswapdsp.h"
24
25static void bswap_buf(uint32_t *dst, const uint32_t *src, int w)
26{
27    int i;
28
29    for (i = 0; i + 8 <= w; i += 8) {
30        dst[i + 0] = av_bswap32(src[i + 0]);
31        dst[i + 1] = av_bswap32(src[i + 1]);
32        dst[i + 2] = av_bswap32(src[i + 2]);
33        dst[i + 3] = av_bswap32(src[i + 3]);
34        dst[i + 4] = av_bswap32(src[i + 4]);
35        dst[i + 5] = av_bswap32(src[i + 5]);
36        dst[i + 6] = av_bswap32(src[i + 6]);
37        dst[i + 7] = av_bswap32(src[i + 7]);
38    }
39    for (; i < w; i++)
40        dst[i + 0] = av_bswap32(src[i + 0]);
41}
42
43static void bswap16_buf(uint16_t *dst, const uint16_t *src, int len)
44{
45    while (len--)
46        *dst++ = av_bswap16(*src++);
47}
48
49av_cold void ff_bswapdsp_init(BswapDSPContext *c)
50{
51    c->bswap_buf   = bswap_buf;
52    c->bswap16_buf = bswap16_buf;
53
54    if (ARCH_X86)
55        ff_bswapdsp_init_x86(c);
56}
57