yadif.c
Go to the documentation of this file.
1 /*
2  * Copyright (C) 2006 Michael Niedermayer <michaelni@gmx.at>
3  *
4  * This file is part of Libav.
5  *
6  * Libav 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  * Libav 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 Libav; 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/internal.h"
24 #include "libavutil/mem.h"
25 #include "libavutil/x86/asm.h"
27 #include "libavfilter/yadif.h"
28 
29 #if HAVE_INLINE_ASM
30 
31 DECLARE_ASM_CONST(16, const xmm_reg, pb_1) = {0x0101010101010101ULL, 0x0101010101010101ULL};
32 DECLARE_ASM_CONST(16, const xmm_reg, pw_1) = {0x0001000100010001ULL, 0x0001000100010001ULL};
33 
34 #if HAVE_SSSE3_INLINE
35 #define COMPILE_TEMPLATE_SSE2 1
36 #define COMPILE_TEMPLATE_SSSE3 1
37 #undef RENAME
38 #define RENAME(a) a ## _ssse3
39 #include "yadif_template.c"
40 #undef COMPILE_TEMPLATE_SSSE3
41 #endif
42 
43 #if HAVE_SSE2_INLINE
44 #undef RENAME
45 #define RENAME(a) a ## _sse2
46 #include "yadif_template.c"
47 #undef COMPILE_TEMPLATE_SSE2
48 #endif
49 
50 #if HAVE_MMXEXT_INLINE
51 #undef RENAME
52 #define RENAME(a) a ## _mmxext
53 #include "yadif_template.c"
54 #endif
55 
56 #endif /* HAVE_INLINE_ASM */
57 
59 {
61 
62 #if HAVE_MMXEXT_INLINE
63  if (cpu_flags & AV_CPU_FLAG_MMXEXT)
64  yadif->filter_line = yadif_filter_line_mmxext;
65 #endif
66 #if HAVE_SSE2_INLINE
67  if (cpu_flags & AV_CPU_FLAG_SSE2)
68  yadif->filter_line = yadif_filter_line_sse2;
69 #endif
70 #if HAVE_SSSE3_INLINE
71  if (cpu_flags & AV_CPU_FLAG_SSSE3)
72  yadif->filter_line = yadif_filter_line_ssse3;
73 #endif
74 }
memory handling functions
av_cold void ff_yadif_init_x86(YADIFContext *yadif)
Definition: yadif.c:58
Macro definitions for various function/variable attributes.
void(* filter_line)(uint8_t *dst, uint8_t *prev, uint8_t *cur, uint8_t *next, int w, int prefs, int mrefs, int parity, int mode)
Definition: yadif.h:53
common internal API header
static int cpu_flags
Definition: dct-test.c:76
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:25