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
ff_bswapdsp_init_x86(BswapDSPContext * c)29 av_cold void ff_bswapdsp_init_x86(BswapDSPContext *c)
30 {
31 int cpu_flags = av_get_cpu_flags();
32
33 #if (HAVE_SSE2_EXTERNAL == 1)
34 if (EXTERNAL_SSE2(cpu_flags))
35 c->bswap_buf = ff_bswap32_buf_sse2;
36 #endif
37 #if (HAVE_SSSE3_EXTERNAL == 1)
38 if (EXTERNAL_SSSE3(cpu_flags))
39 c->bswap_buf = ff_bswap32_buf_ssse3;
40 #endif
41 }
42