/src/ffmpeg/libavcodec/x86/bswapdsp_init.c
Line | Count | Source |
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/cpu.h" |
23 | | #include "libavutil/x86/cpu.h" |
24 | | #include "libavcodec/bswapdsp.h" |
25 | | |
26 | | void ff_bswap32_buf_sse2(uint32_t *dst, const uint32_t *src, int w); |
27 | | void ff_bswap32_buf_ssse3(uint32_t *dst, const uint32_t *src, int w); |
28 | | void ff_bswap32_buf_avx2(uint32_t *dst, const uint32_t *src, int w); |
29 | | |
30 | | av_cold void ff_bswapdsp_init_x86(BswapDSPContext *c) |
31 | 42.9k | { |
32 | 42.9k | int cpu_flags = av_get_cpu_flags(); |
33 | | |
34 | 42.9k | if (EXTERNAL_SSE2(cpu_flags)) |
35 | 15.2k | c->bswap_buf = ff_bswap32_buf_sse2; |
36 | 42.9k | if (EXTERNAL_SSSE3(cpu_flags)) |
37 | 15.2k | c->bswap_buf = ff_bswap32_buf_ssse3; |
38 | 42.9k | if (EXTERNAL_AVX2_FAST(cpu_flags)) |
39 | 15.2k | c->bswap_buf = ff_bswap32_buf_avx2; |
40 | 42.9k | } |