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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 "config.h" | |
20 | #include "libavutil/attributes.h" | |
21 | #include "libavutil/cpu.h" | |
22 | #include "libavutil/x86/cpu.h" | |
23 | #include "libavcodec/idctdsp.h" | |
24 | #include "libavcodec/xvididct.h" | |
25 | ||
26 | #include "idctdsp.h" | |
27 | #include "xvididct.h" | |
28 | ||
29 | av_cold void ff_xvid_idct_init_x86(IDCTDSPContext *c, AVCodecContext *avctx, | |
30 | unsigned high_bit_depth) | |
31 | { | |
32 | int cpu_flags = av_get_cpu_flags(); | |
33 | ||
34 | if (high_bit_depth || | |
35 | !(avctx->idct_algo == FF_IDCT_AUTO || | |
36 | avctx->idct_algo == FF_IDCT_XVID)) | |
37 | return; | |
38 | ||
39 | if (INLINE_MMX(cpu_flags)) { | |
40 | c->idct_put = ff_xvid_idct_mmx_put; | |
41 | c->idct_add = ff_xvid_idct_mmx_add; | |
42 | c->idct = ff_xvid_idct_mmx; | |
43 | c->perm_type = FF_IDCT_PERM_NONE; | |
44 | } | |
45 | ||
46 | if (INLINE_MMXEXT(cpu_flags)) { | |
47 | c->idct_put = ff_xvid_idct_mmxext_put; | |
48 | c->idct_add = ff_xvid_idct_mmxext_add; | |
49 | c->idct = ff_xvid_idct_mmxext; | |
50 | c->perm_type = FF_IDCT_PERM_NONE; | |
51 | } | |
52 | ||
53 | if (INLINE_SSE2(cpu_flags)) { | |
54 | c->idct_put = ff_xvid_idct_sse2_put; | |
55 | c->idct_add = ff_xvid_idct_sse2_add; | |
56 | c->idct = ff_xvid_idct_sse2; | |
57 | c->perm_type = FF_IDCT_PERM_SSE2; | |
58 | } | |
59 | } |