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 "libavutil/attributes.h" |
20 |
|
|
#include "libavutil/cpu.h" |
21 |
|
|
#include "libavutil/x86/cpu.h" |
22 |
|
|
#include "libavcodec/avcodec.h" |
23 |
|
|
#include "libavcodec/fdctdsp.h" |
24 |
|
|
#include "fdct.h" |
25 |
|
|
|
26 |
|
306 |
av_cold void ff_fdctdsp_init_x86(FDCTDSPContext *c, AVCodecContext *avctx, |
27 |
|
|
unsigned high_bit_depth) |
28 |
|
|
{ |
29 |
|
306 |
int cpu_flags = av_get_cpu_flags(); |
30 |
|
306 |
const int dct_algo = avctx->dct_algo; |
31 |
|
|
|
32 |
✓✓ |
306 |
if (!high_bit_depth) { |
33 |
✓✗✗✓
|
279 |
if ((dct_algo == FF_DCT_AUTO || dct_algo == FF_DCT_MMX)) { |
34 |
|
|
if (INLINE_MMX(cpu_flags)) |
35 |
|
|
c->fdct = ff_fdct_mmx; |
36 |
|
|
|
37 |
|
|
if (INLINE_MMXEXT(cpu_flags)) |
38 |
|
|
c->fdct = ff_fdct_mmxext; |
39 |
|
|
|
40 |
|
|
if (INLINE_SSE2(cpu_flags)) |
41 |
|
|
c->fdct = ff_fdct_sse2; |
42 |
|
|
} |
43 |
|
|
} |
44 |
|
306 |
} |