avfilter/yadif: simplify the code for better readability
[ffmpeg.git] / libavfilter / x86 / vf_yadif_init.c
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
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (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 GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 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/cpu.h"
25 #include "libavfilter/yadif.h"
26
27 void ff_yadif_filter_line_mmxext(void *dst, void *prev, void *cur,
28                                  void *next, int w, int prefs,
29                                  int mrefs, int parity, int mode);
30 void ff_yadif_filter_line_sse2(void *dst, void *prev, void *cur,
31                                void *next, int w, int prefs,
32                                int mrefs, int parity, int mode);
33 void ff_yadif_filter_line_ssse3(void *dst, void *prev, void *cur,
34                                 void *next, int w, int prefs,
35                                 int mrefs, int parity, int mode);
36
37 void ff_yadif_filter_line_16bit_mmxext(void *dst, void *prev, void *cur,
38                                        void *next, int w, int prefs,
39                                        int mrefs, int parity, int mode);
40 void ff_yadif_filter_line_16bit_sse2(void *dst, void *prev, void *cur,
41                                      void *next, int w, int prefs,
42                                      int mrefs, int parity, int mode);
43 void ff_yadif_filter_line_16bit_ssse3(void *dst, void *prev, void *cur,
44                                       void *next, int w, int prefs,
45                                       int mrefs, int parity, int mode);
46 void ff_yadif_filter_line_16bit_sse4(void *dst, void *prev, void *cur,
47                                      void *next, int w, int prefs,
48                                      int mrefs, int parity, int mode);
49
50 void ff_yadif_filter_line_10bit_mmxext(void *dst, void *prev, void *cur,
51                                        void *next, int w, int prefs,
52                                        int mrefs, int parity, int mode);
53 void ff_yadif_filter_line_10bit_sse2(void *dst, void *prev, void *cur,
54                                      void *next, int w, int prefs,
55                                      int mrefs, int parity, int mode);
56 void ff_yadif_filter_line_10bit_ssse3(void *dst, void *prev, void *cur,
57                                       void *next, int w, int prefs,
58                                       int mrefs, int parity, int mode);
59
60 av_cold void ff_yadif_init_x86(YADIFContext *yadif)
61 {
62     int cpu_flags = av_get_cpu_flags();
63     int bit_depth = yadif->depth;
64
65     if (bit_depth >= 15) {
66 #if ARCH_X86_32
67         if (EXTERNAL_MMXEXT(cpu_flags))
68             yadif->filter_line = ff_yadif_filter_line_16bit_mmxext;
69 #endif /* ARCH_X86_32 */
70         if (EXTERNAL_SSE2(cpu_flags))
71             yadif->filter_line = ff_yadif_filter_line_16bit_sse2;
72         if (EXTERNAL_SSSE3(cpu_flags))
73             yadif->filter_line = ff_yadif_filter_line_16bit_ssse3;
74         if (EXTERNAL_SSE4(cpu_flags))
75             yadif->filter_line = ff_yadif_filter_line_16bit_sse4;
76     } else if ( bit_depth >= 9 && bit_depth <= 14) {
77 #if ARCH_X86_32
78         if (EXTERNAL_MMXEXT(cpu_flags))
79             yadif->filter_line = ff_yadif_filter_line_10bit_mmxext;
80 #endif /* ARCH_X86_32 */
81         if (EXTERNAL_SSE2(cpu_flags))
82             yadif->filter_line = ff_yadif_filter_line_10bit_sse2;
83         if (EXTERNAL_SSSE3(cpu_flags))
84             yadif->filter_line = ff_yadif_filter_line_10bit_ssse3;
85     } else {
86 #if ARCH_X86_32
87         if (EXTERNAL_MMXEXT(cpu_flags))
88             yadif->filter_line = ff_yadif_filter_line_mmxext;
89 #endif /* ARCH_X86_32 */
90         if (EXTERNAL_SSE2(cpu_flags))
91             yadif->filter_line = ff_yadif_filter_line_sse2;
92         if (EXTERNAL_SSSE3(cpu_flags))
93             yadif->filter_line = ff_yadif_filter_line_ssse3;
94     }
95 }