FFmpeg
dirac_dwt_init.c
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1 /*
2  * x86 optimized discrete wavelet transform
3  * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
4  * Copyright (c) 2010 David Conrad
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU Lesser General Public
10  * License as published by the Free Software Foundation; either
11  * version 2.1 of the License, or (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16  * Lesser General Public License for more details.
17  *
18  * You should have received a copy of the GNU Lesser General Public
19  * License along with FFmpeg; if not, write to the Free Software
20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21  */
22 
23 #include "libavutil/x86/asm.h"
24 #include "libavutil/x86/cpu.h"
25 #include "libavcodec/dirac_dwt.h"
26 
27 #define COMPOSE_VERTICAL(ext, align) \
28 void ff_vertical_compose53iL0##ext(int16_t *b0, int16_t *b1, int16_t *b2, int width); \
29 void ff_vertical_compose_dirac53iH0##ext(int16_t *b0, int16_t *b1, int16_t *b2, int width); \
30 void ff_vertical_compose_dd137iL0##ext(int16_t *b0, int16_t *b1, int16_t *b2, int16_t *b3, int16_t *b4, int width); \
31 void ff_vertical_compose_dd97iH0##ext(int16_t *b0, int16_t *b1, int16_t *b2, int16_t *b3, int16_t *b4, int width); \
32 void ff_vertical_compose_haar##ext(int16_t *b0, int16_t *b1, int width); \
33 void ff_horizontal_compose_haar0i##ext(int16_t *b, int16_t *tmp, int w);\
34 void ff_horizontal_compose_haar1i##ext(int16_t *b, int16_t *tmp, int w);\
35 \
36 static void vertical_compose53iL0##ext(uint8_t *_b0, uint8_t *_b1, uint8_t *_b2, int width) \
37 { \
38  int i, width_align = width&~(align-1); \
39  int16_t *b0 = (int16_t *)_b0; \
40  int16_t *b1 = (int16_t *)_b1; \
41  int16_t *b2 = (int16_t *)_b2; \
42 \
43  for(i=width_align; i<width; i++) \
44  b1[i] = COMPOSE_53iL0(b0[i], b1[i], b2[i]); \
45 \
46  ff_vertical_compose53iL0##ext(b0, b1, b2, width_align); \
47 } \
48 \
49 static void vertical_compose_dirac53iH0##ext(uint8_t *_b0, uint8_t *_b1, uint8_t *_b2, int width) \
50 { \
51  int i, width_align = width&~(align-1); \
52  int16_t *b0 = (int16_t *)_b0; \
53  int16_t *b1 = (int16_t *)_b1; \
54  int16_t *b2 = (int16_t *)_b2; \
55 \
56  for(i=width_align; i<width; i++) \
57  b1[i] = COMPOSE_DIRAC53iH0(b0[i], b1[i], b2[i]); \
58 \
59  ff_vertical_compose_dirac53iH0##ext(b0, b1, b2, width_align); \
60 } \
61 \
62 static void vertical_compose_dd137iL0##ext(uint8_t *_b0, uint8_t *_b1, uint8_t *_b2, \
63  uint8_t *_b3, uint8_t *_b4, int width) \
64 { \
65  int i, width_align = width&~(align-1); \
66  int16_t *b0 = (int16_t *)_b0; \
67  int16_t *b1 = (int16_t *)_b1; \
68  int16_t *b2 = (int16_t *)_b2; \
69  int16_t *b3 = (int16_t *)_b3; \
70  int16_t *b4 = (int16_t *)_b4; \
71 \
72  for(i=width_align; i<width; i++) \
73  b2[i] = COMPOSE_DD137iL0(b0[i], b1[i], b2[i], b3[i], b4[i]); \
74 \
75  ff_vertical_compose_dd137iL0##ext(b0, b1, b2, b3, b4, width_align); \
76 } \
77 \
78 static void vertical_compose_dd97iH0##ext(uint8_t *_b0, uint8_t *_b1, uint8_t *_b2, \
79  uint8_t *_b3, uint8_t *_b4, int width) \
80 { \
81  int i, width_align = width&~(align-1); \
82  int16_t *b0 = (int16_t *)_b0; \
83  int16_t *b1 = (int16_t *)_b1; \
84  int16_t *b2 = (int16_t *)_b2; \
85  int16_t *b3 = (int16_t *)_b3; \
86  int16_t *b4 = (int16_t *)_b4; \
87 \
88  for(i=width_align; i<width; i++) \
89  b2[i] = COMPOSE_DD97iH0(b0[i], b1[i], b2[i], b3[i], b4[i]); \
90 \
91  ff_vertical_compose_dd97iH0##ext(b0, b1, b2, b3, b4, width_align); \
92 } \
93 static void vertical_compose_haar##ext(uint8_t *_b0, uint8_t *_b1, int width) \
94 { \
95  int i, width_align = width&~(align-1); \
96  int16_t *b0 = (int16_t *)_b0; \
97  int16_t *b1 = (int16_t *)_b1; \
98 \
99  for(i=width_align; i<width; i++) { \
100  b0[i] = COMPOSE_HAARiL0(b0[i], b1[i]); \
101  b1[i] = COMPOSE_HAARiH0(b1[i], b0[i]); \
102  } \
103 \
104  ff_vertical_compose_haar##ext(b0, b1, width_align); \
105 } \
106 static void horizontal_compose_haar0i##ext(uint8_t *_b, uint8_t *_tmp, int w)\
107 {\
108  int w2= w>>1;\
109  int x= w2 - (w2&(align-1));\
110  int16_t *b = (int16_t *)_b; \
111  int16_t *tmp = (int16_t *)_tmp; \
112 \
113  ff_horizontal_compose_haar0i##ext(b, tmp, w);\
114 \
115  for (; x < w2; x++) {\
116  b[2*x ] = tmp[x];\
117  b[2*x+1] = COMPOSE_HAARiH0(b[x+w2], tmp[x]);\
118  }\
119 }\
120 static void horizontal_compose_haar1i##ext(uint8_t *_b, uint8_t *_tmp, int w)\
121 {\
122  int w2= w>>1;\
123  int x= w2 - (w2&(align-1));\
124  int16_t *b = (int16_t *)_b; \
125  int16_t *tmp = (int16_t *)_tmp; \
126 \
127  ff_horizontal_compose_haar1i##ext(b, tmp, w);\
128 \
129  for (; x < w2; x++) {\
130  b[2*x ] = (tmp[x] + 1)>>1;\
131  b[2*x+1] = (COMPOSE_HAARiH0(b[x+w2], tmp[x]) + 1)>>1;\
132  }\
133 }\
134 \
135 
136 #if HAVE_X86ASM
137 #if !ARCH_X86_64
138 COMPOSE_VERTICAL(_mmx, 4)
139 #endif
140 COMPOSE_VERTICAL(_sse2, 8)
141 
142 
143 void ff_horizontal_compose_dd97i_ssse3(int16_t *_b, int16_t *_tmp, int w);
144 
145 static void horizontal_compose_dd97i_ssse3(uint8_t *_b, uint8_t *_tmp, int w)
146 {
147  int w2= w>>1;
148  int x= w2 - (w2&7);
149  int16_t *b = (int16_t *)_b;
150  int16_t *tmp = (int16_t *)_tmp;
151 
152  ff_horizontal_compose_dd97i_ssse3(b, tmp, w);
153 
154  for (; x < w2; x++) {
155  b[2*x ] = (tmp[x] + 1)>>1;
156  b[2*x+1] = (COMPOSE_DD97iH0(tmp[x-1], tmp[x], b[x+w2], tmp[x+1], tmp[x+2]) + 1)>>1;
157  }
158 }
159 #endif
160 
162 {
163 #if HAVE_X86ASM
164  int mm_flags = av_get_cpu_flags();
165 
166 #if !ARCH_X86_64
167  if (!(mm_flags & AV_CPU_FLAG_MMX))
168  return;
169 
170  switch (type) {
171  case DWT_DIRAC_DD9_7:
172  d->vertical_compose_l0 = (void*)vertical_compose53iL0_mmx;
173  d->vertical_compose_h0 = (void*)vertical_compose_dd97iH0_mmx;
174  break;
175  case DWT_DIRAC_LEGALL5_3:
176  d->vertical_compose_l0 = (void*)vertical_compose53iL0_mmx;
177  d->vertical_compose_h0 = (void*)vertical_compose_dirac53iH0_mmx;
178  break;
179  case DWT_DIRAC_DD13_7:
180  d->vertical_compose_l0 = (void*)vertical_compose_dd137iL0_mmx;
181  d->vertical_compose_h0 = (void*)vertical_compose_dd97iH0_mmx;
182  break;
183  case DWT_DIRAC_HAAR0:
184  d->vertical_compose = (void*)vertical_compose_haar_mmx;
185  d->horizontal_compose = horizontal_compose_haar0i_mmx;
186  break;
187  case DWT_DIRAC_HAAR1:
188  d->vertical_compose = (void*)vertical_compose_haar_mmx;
189  d->horizontal_compose = horizontal_compose_haar1i_mmx;
190  break;
191  }
192 #endif
193 
194  if (!(mm_flags & AV_CPU_FLAG_SSE2))
195  return;
196 
197  switch (type) {
198  case DWT_DIRAC_DD9_7:
199  d->vertical_compose_l0 = (void*)vertical_compose53iL0_sse2;
200  d->vertical_compose_h0 = (void*)vertical_compose_dd97iH0_sse2;
201  break;
202  case DWT_DIRAC_LEGALL5_3:
203  d->vertical_compose_l0 = (void*)vertical_compose53iL0_sse2;
204  d->vertical_compose_h0 = (void*)vertical_compose_dirac53iH0_sse2;
205  break;
206  case DWT_DIRAC_DD13_7:
207  d->vertical_compose_l0 = (void*)vertical_compose_dd137iL0_sse2;
208  d->vertical_compose_h0 = (void*)vertical_compose_dd97iH0_sse2;
209  break;
210  case DWT_DIRAC_HAAR0:
211  d->vertical_compose = (void*)vertical_compose_haar_sse2;
212  d->horizontal_compose = horizontal_compose_haar0i_sse2;
213  break;
214  case DWT_DIRAC_HAAR1:
215  d->vertical_compose = (void*)vertical_compose_haar_sse2;
216  d->horizontal_compose = horizontal_compose_haar1i_sse2;
217  break;
218  }
219 
220  if (!(mm_flags & AV_CPU_FLAG_SSSE3))
221  return;
222 
223  switch (type) {
224  case DWT_DIRAC_DD9_7:
225  d->horizontal_compose = horizontal_compose_dd97i_ssse3;
226  break;
227  }
228 #endif // HAVE_X86ASM
229 }
void(* vertical_compose_l0)(void)
Definition: dirac_dwt.h:64
GLint GLenum type
Definition: opengl_enc.c:104
uint8_t
#define COMPOSE_DD97iH0(b0, b1, b2, b3, b4)
Definition: dirac_dwt.h:101
#define AV_CPU_FLAG_SSSE3
Conroe SSSE3 functions.
Definition: cpu.h:43
#define b
Definition: input.c:41
uint8_t w
Definition: llviddspenc.c:38
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
void ff_spatial_idwt_init_x86(DWTContext *d, enum dwt_type type)
dwt_type
Definition: dirac_dwt.h:74
#define AV_CPU_FLAG_MMX
standard MMX
Definition: cpu.h:31
void(* vertical_compose)(void)
one set of lowpass and highpass combined
Definition: dirac_dwt.h:68
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:95
void(* horizontal_compose)(uint8_t *b, uint8_t *tmp, int width)
Definition: dirac_dwt.h:69
#define AV_CPU_FLAG_SSE2
PIV SSE2 functions.
Definition: cpu.h:36
#define COMPOSE_VERTICAL(ext, align)
void(* vertical_compose_h0)(void)
Definition: dirac_dwt.h:65
static uint8_t tmp[11]
Definition: aes_ctr.c:26