FFmpeg
 All Data Structures Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
vc1dsp_init.c
Go to the documentation of this file.
1 /*
2  * VC-1 and WMV3 - DSP functions MMX-optimized
3  * Copyright (c) 2007 Christophe GISQUET <christophe.gisquet@free.fr>
4  *
5  * Permission is hereby granted, free of charge, to any person
6  * obtaining a copy of this software and associated documentation
7  * files (the "Software"), to deal in the Software without
8  * restriction, including without limitation the rights to use,
9  * copy, modify, merge, publish, distribute, sublicense, and/or sell
10  * copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following
12  * conditions:
13  *
14  * The above copyright notice and this permission notice shall be
15  * included in all copies or substantial portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
19  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
21  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
22  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
24  * OTHER DEALINGS IN THE SOFTWARE.
25  */
26 
27 #include "libavutil/cpu.h"
28 #include "libavutil/x86/cpu.h"
29 #include "libavcodec/vc1dsp.h"
30 #include "vc1dsp.h"
31 #include "config.h"
32 
33 #define LOOP_FILTER(EXT) \
34 void ff_vc1_v_loop_filter4_ ## EXT(uint8_t *src, int stride, int pq); \
35 void ff_vc1_h_loop_filter4_ ## EXT(uint8_t *src, int stride, int pq); \
36 void ff_vc1_v_loop_filter8_ ## EXT(uint8_t *src, int stride, int pq); \
37 void ff_vc1_h_loop_filter8_ ## EXT(uint8_t *src, int stride, int pq); \
38 \
39 static void vc1_v_loop_filter16_ ## EXT(uint8_t *src, int stride, int pq) \
40 { \
41  ff_vc1_v_loop_filter8_ ## EXT(src, stride, pq); \
42  ff_vc1_v_loop_filter8_ ## EXT(src+8, stride, pq); \
43 } \
44 \
45 static void vc1_h_loop_filter16_ ## EXT(uint8_t *src, int stride, int pq) \
46 { \
47  ff_vc1_h_loop_filter8_ ## EXT(src, stride, pq); \
48  ff_vc1_h_loop_filter8_ ## EXT(src+8*stride, stride, pq); \
49 }
50 
51 #if HAVE_YASM
52 LOOP_FILTER(mmxext)
53 LOOP_FILTER(sse2)
54 LOOP_FILTER(ssse3)
55 
56 void ff_vc1_h_loop_filter8_sse4(uint8_t *src, int stride, int pq);
57 
58 static void vc1_h_loop_filter16_sse4(uint8_t *src, int stride, int pq)
59 {
60  ff_vc1_h_loop_filter8_sse4(src, stride, pq);
61  ff_vc1_h_loop_filter8_sse4(src+8*stride, stride, pq);
62 }
63 #endif /* HAVE_YASM */
64 
66  int stride, int h, int x, int y);
68  int stride, int h, int x, int y);
70  int stride, int h, int x, int y);
72  int stride, int h, int x, int y);
74  int stride, int h, int x, int y);
75 
76 
78 {
79  int mm_flags = av_get_cpu_flags();
80 
81  if (INLINE_MMX(mm_flags))
82  ff_vc1dsp_init_mmx(dsp);
83 
84  if (INLINE_MMXEXT(mm_flags))
86 
87 #define ASSIGN_LF(EXT) \
88  dsp->vc1_v_loop_filter4 = ff_vc1_v_loop_filter4_ ## EXT; \
89  dsp->vc1_h_loop_filter4 = ff_vc1_h_loop_filter4_ ## EXT; \
90  dsp->vc1_v_loop_filter8 = ff_vc1_v_loop_filter8_ ## EXT; \
91  dsp->vc1_h_loop_filter8 = ff_vc1_h_loop_filter8_ ## EXT; \
92  dsp->vc1_v_loop_filter16 = vc1_v_loop_filter16_ ## EXT; \
93  dsp->vc1_h_loop_filter16 = vc1_h_loop_filter16_ ## EXT
94 
95 #if HAVE_YASM
96  if (mm_flags & AV_CPU_FLAG_MMX) {
98  }
99 
100  if (mm_flags & AV_CPU_FLAG_MMXEXT) {
101  ASSIGN_LF(mmxext);
103  } else if (mm_flags & AV_CPU_FLAG_3DNOW) {
105  }
106 
107  if (mm_flags & AV_CPU_FLAG_SSE2) {
108  dsp->vc1_v_loop_filter8 = ff_vc1_v_loop_filter8_sse2;
109  dsp->vc1_h_loop_filter8 = ff_vc1_h_loop_filter8_sse2;
110  dsp->vc1_v_loop_filter16 = vc1_v_loop_filter16_sse2;
111  dsp->vc1_h_loop_filter16 = vc1_h_loop_filter16_sse2;
112  }
113  if (mm_flags & AV_CPU_FLAG_SSSE3) {
114  ASSIGN_LF(ssse3);
117  }
118  if (mm_flags & AV_CPU_FLAG_SSE4) {
119  dsp->vc1_h_loop_filter8 = ff_vc1_h_loop_filter8_sse4;
120  dsp->vc1_h_loop_filter16 = vc1_h_loop_filter16_sse4;
121  }
122 #endif /* HAVE_YASM */
123 }