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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 "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 | av_cold void ff_fdctdsp_init_x86(FDCTDSPContext *c, AVCodecContext *avctx, | |
27 | unsigned high_bit_depth) | |
28 | { | |
29 | int cpu_flags = av_get_cpu_flags(); | |
30 | const int dct_algo = avctx->dct_algo; | |
31 | ||
32 | if (!high_bit_depth) { | |
33 | 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 | } |