FFmpeg
yadif.c
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1 /*
2  * Copyright (C) 2006 Michael Niedermayer <michaelni@gmx.at>
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License along
17  * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19  */
20 
21 #include "libavutil/attributes.h"
22 #include "libavutil/cpu.h"
23 #include "libavutil/mem.h"
24 #include "libavutil/x86/asm.h"
26 #include "libavfilter/yadif.h"
27 
28 #if HAVE_INLINE_ASM
29 
30 DECLARE_ASM_CONST(16, const xmm_reg, pb_1) = {0x0101010101010101ULL, 0x0101010101010101ULL};
31 DECLARE_ASM_CONST(16, const xmm_reg, pw_1) = {0x0001000100010001ULL, 0x0001000100010001ULL};
32 
33 #if HAVE_SSSE3_INLINE
34 #define COMPILE_TEMPLATE_SSE2 1
35 #define COMPILE_TEMPLATE_SSSE3 1
36 #undef RENAME
37 #define RENAME(a) a ## _ssse3
38 #include "yadif_template.c"
39 #undef COMPILE_TEMPLATE_SSSE3
40 #endif
41 
42 #if HAVE_SSE2_INLINE
43 #undef RENAME
44 #define RENAME(a) a ## _sse2
45 #include "yadif_template.c"
46 #undef COMPILE_TEMPLATE_SSE2
47 #endif
48 
49 #if HAVE_MMXEXT_INLINE
50 #undef RENAME
51 #define RENAME(a) a ## _mmxext
52 #include "yadif_template.c"
53 #endif
54 
55 #endif /* HAVE_INLINE_ASM */
56 
58 {
60 
61 #if HAVE_MMXEXT_INLINE
62  if (cpu_flags & AV_CPU_FLAG_MMXEXT)
63  yadif->filter_line = yadif_filter_line_mmxext;
64 #endif
65 #if HAVE_SSE2_INLINE
66  if (cpu_flags & AV_CPU_FLAG_SSE2)
67  yadif->filter_line = yadif_filter_line_sse2;
68 #endif
69 #if HAVE_SSSE3_INLINE
70  if (cpu_flags & AV_CPU_FLAG_SSSE3)
71  yadif->filter_line = yadif_filter_line_ssse3;
72 #endif
73 }