blob: fda34cc638f70808f9c5b378354e72339b9d7e0b (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
/*
* 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 "config.h"
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/x86/cpu.h"
#include "libavcodec/idctdsp.h"
#include "libavcodec/xvididct.h"
#include "xvididct.h"
av_cold void ff_xvid_idct_init_x86(IDCTDSPContext *c, AVCodecContext *avctx,
unsigned high_bit_depth)
{
#if HAVE_X86ASM
int cpu_flags = av_get_cpu_flags();
if (high_bit_depth ||
!(avctx->idct_algo == FF_IDCT_AUTO ||
avctx->idct_algo == FF_IDCT_XVID))
return;
if (EXTERNAL_SSE2(cpu_flags)) {
c->idct_put = ff_xvid_idct_put_sse2;
c->idct_add = ff_xvid_idct_add_sse2;
c->idct = ff_xvid_idct_sse2;
c->perm_type = FF_IDCT_PERM_SSE2;
}
#endif /* HAVE_X86ASM */
}
|
