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2ba45a60 DM |
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 | ||
25 | static 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 | ||
43 | static void bswap16_buf(uint16_t *dst, const uint16_t *src, int len) | |
44 | { | |
45 | while (len--) | |
46 | *dst++ = av_bswap16(*src++); | |
47 | } | |
48 | ||
49 | av_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 | } |