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hpeldsp_init.c
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1 /*
2  * SIMD-optimized halfpel functions
3  * Copyright (c) 2000, 2001 Fabrice Bellard
4  * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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  * MMX optimization by Nick Kurshev <nickols_k@mail.ru>
23  */
24 
25 #include "libavutil/attributes.h"
26 #include "libavutil/cpu.h"
27 #include "libavutil/x86/asm.h"
28 #include "libavutil/x86/cpu.h"
29 #include "libavcodec/avcodec.h"
30 #include "libavcodec/hpeldsp.h"
31 #include "libavcodec/pixels.h"
32 #include "fpel.h"
33 #include "hpeldsp.h"
34 
35 void ff_put_pixels8_x2_mmxext(uint8_t *block, const uint8_t *pixels,
36  ptrdiff_t line_size, int h);
37 void ff_put_pixels8_x2_3dnow(uint8_t *block, const uint8_t *pixels,
38  ptrdiff_t line_size, int h);
39 void ff_put_pixels16_x2_mmxext(uint8_t *block, const uint8_t *pixels,
40  ptrdiff_t line_size, int h);
41 void ff_put_pixels16_x2_3dnow(uint8_t *block, const uint8_t *pixels,
42  ptrdiff_t line_size, int h);
43 void ff_put_pixels16_x2_sse2(uint8_t *block, const uint8_t *pixels,
44  ptrdiff_t line_size, int h);
45 void ff_avg_pixels16_x2_sse2(uint8_t *block, const uint8_t *pixels,
46  ptrdiff_t line_size, int h);
47 void ff_put_pixels16_y2_sse2(uint8_t *block, const uint8_t *pixels,
48  ptrdiff_t line_size, int h);
49 void ff_avg_pixels16_y2_sse2(uint8_t *block, const uint8_t *pixels,
50  ptrdiff_t line_size, int h);
51 void ff_put_no_rnd_pixels8_x2_mmxext(uint8_t *block, const uint8_t *pixels,
52  ptrdiff_t line_size, int h);
53 void ff_put_no_rnd_pixels8_x2_3dnow(uint8_t *block, const uint8_t *pixels,
54  ptrdiff_t line_size, int h);
55 void ff_put_no_rnd_pixels8_x2_exact_mmxext(uint8_t *block,
56  const uint8_t *pixels,
57  ptrdiff_t line_size, int h);
58 void ff_put_no_rnd_pixels8_x2_exact_3dnow(uint8_t *block,
59  const uint8_t *pixels,
60  ptrdiff_t line_size, int h);
61 void ff_put_pixels8_y2_mmxext(uint8_t *block, const uint8_t *pixels,
62  ptrdiff_t line_size, int h);
63 void ff_put_pixels8_y2_3dnow(uint8_t *block, const uint8_t *pixels,
64  ptrdiff_t line_size, int h);
65 void ff_put_no_rnd_pixels8_y2_mmxext(uint8_t *block, const uint8_t *pixels,
66  ptrdiff_t line_size, int h);
67 void ff_put_no_rnd_pixels8_y2_3dnow(uint8_t *block, const uint8_t *pixels,
68  ptrdiff_t line_size, int h);
69 void ff_put_no_rnd_pixels8_y2_exact_mmxext(uint8_t *block,
70  const uint8_t *pixels,
71  ptrdiff_t line_size, int h);
72 void ff_put_no_rnd_pixels8_y2_exact_3dnow(uint8_t *block,
73  const uint8_t *pixels,
74  ptrdiff_t line_size, int h);
75 void ff_avg_pixels8_3dnow(uint8_t *block, const uint8_t *pixels,
76  ptrdiff_t line_size, int h);
77 void ff_avg_pixels8_x2_mmxext(uint8_t *block, const uint8_t *pixels,
78  ptrdiff_t line_size, int h);
79 void ff_avg_pixels8_x2_3dnow(uint8_t *block, const uint8_t *pixels,
80  ptrdiff_t line_size, int h);
81 void ff_avg_pixels8_y2_mmxext(uint8_t *block, const uint8_t *pixels,
82  ptrdiff_t line_size, int h);
83 void ff_avg_pixels8_y2_3dnow(uint8_t *block, const uint8_t *pixels,
84  ptrdiff_t line_size, int h);
85 void ff_avg_pixels8_xy2_3dnow(uint8_t *block, const uint8_t *pixels,
86  ptrdiff_t line_size, int h);
87 void ff_avg_approx_pixels8_xy2_mmxext(uint8_t *block, const uint8_t *pixels,
88  ptrdiff_t line_size, int h);
89 void ff_avg_approx_pixels8_xy2_3dnow(uint8_t *block, const uint8_t *pixels,
90  ptrdiff_t line_size, int h);
91 
92 #define avg_pixels8_mmx ff_avg_pixels8_mmx
93 #define avg_pixels8_x2_mmx ff_avg_pixels8_x2_mmx
94 #define avg_pixels16_mmx ff_avg_pixels16_mmx
95 #define avg_pixels8_xy2_mmx ff_avg_pixels8_xy2_mmx
96 #define avg_pixels16_xy2_mmx ff_avg_pixels16_xy2_mmx
97 #define put_pixels8_mmx ff_put_pixels8_mmx
98 #define put_pixels16_mmx ff_put_pixels16_mmx
99 #define put_pixels8_xy2_mmx ff_put_pixels8_xy2_mmx
100 #define put_pixels16_xy2_mmx ff_put_pixels16_xy2_mmx
101 #define avg_no_rnd_pixels16_mmx ff_avg_pixels16_mmx
102 #define put_no_rnd_pixels8_mmx ff_put_pixels8_mmx
103 #define put_no_rnd_pixels16_mmx ff_put_pixels16_mmx
104 
105 #if HAVE_INLINE_ASM
106 
107 /***********************************/
108 /* MMX no rounding */
109 #define DEF(x, y) x ## _no_rnd_ ## y ## _mmx
110 #define SET_RND MOVQ_WONE
111 #define PAVGBP(a, b, c, d, e, f) PAVGBP_MMX_NO_RND(a, b, c, d, e, f)
112 #define PAVGB(a, b, c, e) PAVGB_MMX_NO_RND(a, b, c, e)
113 #define STATIC static
114 
115 #include "rnd_template.c"
116 #include "hpeldsp_rnd_template.c"
117 
118 #undef DEF
119 #undef SET_RND
120 #undef PAVGBP
121 #undef PAVGB
122 #undef STATIC
123 
124 CALL_2X_PIXELS(avg_no_rnd_pixels16_y2_mmx, avg_no_rnd_pixels8_y2_mmx, 8)
125 CALL_2X_PIXELS(put_no_rnd_pixels16_y2_mmx, put_no_rnd_pixels8_y2_mmx, 8)
126 
127 CALL_2X_PIXELS(avg_no_rnd_pixels16_xy2_mmx, avg_no_rnd_pixels8_xy2_mmx, 8)
128 CALL_2X_PIXELS(put_no_rnd_pixels16_xy2_mmx, put_no_rnd_pixels8_xy2_mmx, 8)
129 
130 /***********************************/
131 /* MMX rounding */
132 
133 #define DEF(x, y) x ## _ ## y ## _mmx
134 #define SET_RND MOVQ_WTWO
135 #define PAVGBP(a, b, c, d, e, f) PAVGBP_MMX(a, b, c, d, e, f)
136 #define PAVGB(a, b, c, e) PAVGB_MMX(a, b, c, e)
137 
138 #include "hpeldsp_rnd_template.c"
139 
140 #undef DEF
141 #define DEF(x, y) ff_ ## x ## _ ## y ## _mmx
142 #define STATIC
143 
144 #include "rnd_template.c"
145 
146 #undef DEF
147 #undef SET_RND
148 #undef PAVGBP
149 #undef PAVGB
150 
151 CALL_2X_PIXELS(avg_pixels16_y2_mmx, avg_pixels8_y2_mmx, 8)
152 CALL_2X_PIXELS(put_pixels16_y2_mmx, put_pixels8_y2_mmx, 8)
153 
154 CALL_2X_PIXELS_EXPORT(ff_avg_pixels16_xy2_mmx, ff_avg_pixels8_xy2_mmx, 8)
155 CALL_2X_PIXELS_EXPORT(ff_put_pixels16_xy2_mmx, ff_put_pixels8_xy2_mmx, 8)
156 
157 #endif /* HAVE_INLINE_ASM */
158 
159 
160 #if HAVE_YASM
161 
162 #define HPELDSP_AVG_PIXELS16(CPUEXT) \
163  CALL_2X_PIXELS(put_no_rnd_pixels16_x2 ## CPUEXT, ff_put_no_rnd_pixels8_x2 ## CPUEXT, 8) \
164  CALL_2X_PIXELS(put_pixels16_y2 ## CPUEXT, ff_put_pixels8_y2 ## CPUEXT, 8) \
165  CALL_2X_PIXELS(put_no_rnd_pixels16_y2 ## CPUEXT, ff_put_no_rnd_pixels8_y2 ## CPUEXT, 8) \
166  CALL_2X_PIXELS(avg_pixels16 ## CPUEXT, ff_avg_pixels8 ## CPUEXT, 8) \
167  CALL_2X_PIXELS(avg_pixels16_x2 ## CPUEXT, ff_avg_pixels8_x2 ## CPUEXT, 8) \
168  CALL_2X_PIXELS(avg_pixels16_y2 ## CPUEXT, ff_avg_pixels8_y2 ## CPUEXT, 8) \
169  CALL_2X_PIXELS(avg_pixels16_xy2 ## CPUEXT, ff_avg_pixels8_xy2 ## CPUEXT, 8) \
170  CALL_2X_PIXELS(avg_approx_pixels16_xy2## CPUEXT, ff_avg_approx_pixels8_xy2## CPUEXT, 8)
171 
172 HPELDSP_AVG_PIXELS16(_3dnow)
173 HPELDSP_AVG_PIXELS16(_mmxext)
174 
175 #endif /* HAVE_YASM */
176 
177 #define SET_HPEL_FUNCS_EXT(PFX, IDX, SIZE, CPU) \
178  if (HAVE_MMX_EXTERNAL) \
179  c->PFX ## _pixels_tab IDX [0] = PFX ## _pixels ## SIZE ## _ ## CPU;
180 
181 #if HAVE_MMX_INLINE
182 #define SET_HPEL_FUNCS(PFX, IDX, SIZE, CPU) \
183  do { \
184  SET_HPEL_FUNCS_EXT(PFX, IDX, SIZE, CPU) \
185  c->PFX ## _pixels_tab IDX [1] = PFX ## _pixels ## SIZE ## _x2_ ## CPU; \
186  c->PFX ## _pixels_tab IDX [2] = PFX ## _pixels ## SIZE ## _y2_ ## CPU; \
187  c->PFX ## _pixels_tab IDX [3] = PFX ## _pixels ## SIZE ## _xy2_ ## CPU; \
188  } while (0)
189 #else
190 #define SET_HPEL_FUNCS(PFX, IDX, SIZE, CPU) \
191  do { \
192  SET_HPEL_FUNCS_EXT(PFX, IDX, SIZE, CPU) \
193  } while (0)
194 #endif
195 
196 static void hpeldsp_init_mmx(HpelDSPContext *c, int flags, int cpu_flags)
197 {
198  SET_HPEL_FUNCS(put, [0], 16, mmx);
199  SET_HPEL_FUNCS(put_no_rnd, [0], 16, mmx);
200  SET_HPEL_FUNCS(avg, [0], 16, mmx);
201  SET_HPEL_FUNCS(avg_no_rnd, , 16, mmx);
202  SET_HPEL_FUNCS(put, [1], 8, mmx);
203  SET_HPEL_FUNCS(put_no_rnd, [1], 8, mmx);
204  if (HAVE_MMX_EXTERNAL) {
205  c->avg_pixels_tab[1][0] = ff_avg_pixels8_mmx;
206  c->avg_pixels_tab[1][1] = ff_avg_pixels8_x2_mmx;
207  }
208 #if HAVE_MMX_INLINE
209  c->avg_pixels_tab[1][2] = avg_pixels8_y2_mmx;
210  c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_mmx;
211 #endif
212 }
213 
214 static void hpeldsp_init_mmxext(HpelDSPContext *c, int flags, int cpu_flags)
215 {
216 #if HAVE_MMXEXT_EXTERNAL
217  c->put_pixels_tab[0][1] = ff_put_pixels16_x2_mmxext;
218  c->put_pixels_tab[0][2] = put_pixels16_y2_mmxext;
219 
220  c->avg_pixels_tab[0][0] = avg_pixels16_mmxext;
221  c->avg_pixels_tab[0][1] = avg_pixels16_x2_mmxext;
222  c->avg_pixels_tab[0][2] = avg_pixels16_y2_mmxext;
223  c->avg_pixels_tab[0][3] = avg_pixels16_xy2_mmxext;
224 
225  c->put_pixels_tab[1][1] = ff_put_pixels8_x2_mmxext;
226  c->put_pixels_tab[1][2] = ff_put_pixels8_y2_mmxext;
227 
228  c->avg_pixels_tab[1][0] = ff_avg_pixels8_mmxext;
229  c->avg_pixels_tab[1][1] = ff_avg_pixels8_x2_mmxext;
230  c->avg_pixels_tab[1][2] = ff_avg_pixels8_y2_mmxext;
231  c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_mmxext;
232 
233  if (!(flags & CODEC_FLAG_BITEXACT)) {
234  c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_mmxext;
235  c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_mmxext;
236  c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_mmxext;
237  c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_mmxext;
238 
239  c->avg_pixels_tab[0][3] = avg_approx_pixels16_xy2_mmxext;
240  c->avg_pixels_tab[1][3] = ff_avg_approx_pixels8_xy2_mmxext;
241  }
242 
243  if (flags & CODEC_FLAG_BITEXACT && CONFIG_VP3_DECODER) {
244  c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_exact_mmxext;
245  c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_exact_mmxext;
246  }
247 #endif /* HAVE_MMXEXT_EXTERNAL */
248 }
249 
250 static void hpeldsp_init_3dnow(HpelDSPContext *c, int flags, int cpu_flags)
251 {
252 #if HAVE_AMD3DNOW_EXTERNAL
253  c->put_pixels_tab[0][1] = ff_put_pixels16_x2_3dnow;
254  c->put_pixels_tab[0][2] = put_pixels16_y2_3dnow;
255 
256  c->avg_pixels_tab[0][0] = avg_pixels16_3dnow;
257  c->avg_pixels_tab[0][1] = avg_pixels16_x2_3dnow;
258  c->avg_pixels_tab[0][2] = avg_pixels16_y2_3dnow;
259  c->avg_pixels_tab[0][3] = avg_pixels16_xy2_3dnow;
260 
261  c->put_pixels_tab[1][1] = ff_put_pixels8_x2_3dnow;
262  c->put_pixels_tab[1][2] = ff_put_pixels8_y2_3dnow;
263 
264  c->avg_pixels_tab[1][0] = ff_avg_pixels8_3dnow;
265  c->avg_pixels_tab[1][1] = ff_avg_pixels8_x2_3dnow;
266  c->avg_pixels_tab[1][2] = ff_avg_pixels8_y2_3dnow;
267  c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_3dnow;
268 
269  if (!(flags & CODEC_FLAG_BITEXACT)){
270  c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_3dnow;
271  c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_3dnow;
272  c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_3dnow;
273  c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_3dnow;
274 
275  c->avg_pixels_tab[0][3] = avg_approx_pixels16_xy2_3dnow;
276  c->avg_pixels_tab[1][3] = ff_avg_approx_pixels8_xy2_3dnow;
277  }
278 
279  if (flags & CODEC_FLAG_BITEXACT && CONFIG_VP3_DECODER) {
280  c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_exact_3dnow;
281  c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_exact_3dnow;
282  }
283 #endif /* HAVE_AMD3DNOW_EXTERNAL */
284 }
285 
286 static void hpeldsp_init_sse2(HpelDSPContext *c, int flags, int cpu_flags)
287 {
288 #if HAVE_SSE2_EXTERNAL
289  if (!(cpu_flags & AV_CPU_FLAG_SSE2SLOW)) {
290  // these functions are slower than mmx on AMD, but faster on Intel
291  c->put_pixels_tab[0][0] = ff_put_pixels16_sse2;
292  c->put_no_rnd_pixels_tab[0][0] = ff_put_pixels16_sse2;
293  c->put_pixels_tab[0][1] = ff_put_pixels16_x2_sse2;
294  c->put_pixels_tab[0][2] = ff_put_pixels16_y2_sse2;
295  c->put_pixels_tab[0][3] = ff_put_pixels16_xy2_sse2;
296  c->avg_pixels_tab[0][0] = ff_avg_pixels16_sse2;
297  c->avg_pixels_tab[0][1] = ff_avg_pixels16_x2_sse2;
298  c->avg_pixels_tab[0][2] = ff_avg_pixels16_y2_sse2;
299  c->avg_pixels_tab[0][3] = ff_avg_pixels16_xy2_sse2;
300  }
301 #endif /* HAVE_SSE2_EXTERNAL */
302 }
303 
304 static void hpeldsp_init_ssse3(HpelDSPContext *c, int flags, int cpu_flags)
305 {
306 #if HAVE_SSSE3_EXTERNAL
307  c->put_pixels_tab[0][3] = ff_put_pixels16_xy2_ssse3;
308  c->avg_pixels_tab[0][3] = ff_avg_pixels16_xy2_ssse3;
309  c->put_pixels_tab[1][3] = ff_put_pixels8_xy2_ssse3;
310  c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_ssse3;
311 #endif
312 }
313 
314 av_cold void ff_hpeldsp_init_x86(HpelDSPContext *c, int flags)
315 {
316  int cpu_flags = av_get_cpu_flags();
317 
318  if (INLINE_MMX(cpu_flags))
319  hpeldsp_init_mmx(c, flags, cpu_flags);
320 
321  if (EXTERNAL_AMD3DNOW(cpu_flags))
322  hpeldsp_init_3dnow(c, flags, cpu_flags);
323 
324  if (EXTERNAL_MMXEXT(cpu_flags))
325  hpeldsp_init_mmxext(c, flags, cpu_flags);
326 
327  if (EXTERNAL_SSE2(cpu_flags))
328  hpeldsp_init_sse2(c, flags, cpu_flags);
329 
330  if (EXTERNAL_SSSE3(cpu_flags))
331  hpeldsp_init_ssse3(c, flags, cpu_flags);
332 }
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