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/cpu.h"
28 #include "libavcodec/avcodec.h"
29 #include "libavcodec/hpeldsp.h"
30 #include "libavcodec/pixels.h"
31 #include "fpel.h"
32 #include "hpeldsp.h"
33 
34 void ff_put_pixels8_x2_mmxext(uint8_t *block, const uint8_t *pixels,
35                               ptrdiff_t line_size, int h);
36 void ff_put_pixels8_x2_3dnow(uint8_t *block, const uint8_t *pixels,
37                              ptrdiff_t line_size, int h);
38 void ff_put_pixels16_x2_mmxext(uint8_t *block, const uint8_t *pixels,
39                                ptrdiff_t line_size, int h);
40 void ff_put_pixels16_x2_3dnow(uint8_t *block, const uint8_t *pixels,
41                               ptrdiff_t line_size, int h);
42 void ff_put_pixels16_x2_sse2(uint8_t *block, const uint8_t *pixels,
43                              ptrdiff_t line_size, int h);
44 void ff_avg_pixels16_x2_sse2(uint8_t *block, const uint8_t *pixels,
45                              ptrdiff_t line_size, int h);
46 void ff_put_pixels16_y2_sse2(uint8_t *block, const uint8_t *pixels,
47                              ptrdiff_t line_size, int h);
48 void ff_avg_pixels16_y2_sse2(uint8_t *block, const uint8_t *pixels,
49                              ptrdiff_t line_size, int h);
50 void ff_put_no_rnd_pixels8_x2_mmxext(uint8_t *block, const uint8_t *pixels,
51                                      ptrdiff_t line_size, int h);
52 void ff_put_no_rnd_pixels8_x2_3dnow(uint8_t *block, const uint8_t *pixels,
53                                     ptrdiff_t line_size, int h);
54 void ff_put_pixels8_y2_mmxext(uint8_t *block, const uint8_t *pixels,
55                               ptrdiff_t line_size, int h);
56 void ff_put_pixels8_y2_3dnow(uint8_t *block, const uint8_t *pixels,
57                              ptrdiff_t line_size, int h);
58 void ff_put_no_rnd_pixels8_y2_mmxext(uint8_t *block, const uint8_t *pixels,
59                                      ptrdiff_t line_size, int h);
60 void ff_put_no_rnd_pixels8_y2_3dnow(uint8_t *block, const uint8_t *pixels,
61                                     ptrdiff_t line_size, int h);
62 void ff_avg_pixels8_3dnow(uint8_t *block, const uint8_t *pixels,
63                           ptrdiff_t line_size, int h);
64 void ff_avg_pixels8_x2_mmxext(uint8_t *block, const uint8_t *pixels,
65                               ptrdiff_t line_size, int h);
66 void ff_avg_pixels8_x2_3dnow(uint8_t *block, const uint8_t *pixels,
67                              ptrdiff_t line_size, int h);
68 void ff_avg_pixels8_y2_mmxext(uint8_t *block, const uint8_t *pixels,
69                               ptrdiff_t line_size, int h);
70 void ff_avg_pixels8_y2_3dnow(uint8_t *block, const uint8_t *pixels,
71                              ptrdiff_t line_size, int h);
72 void ff_avg_pixels8_xy2_3dnow(uint8_t *block, const uint8_t *pixels,
73                               ptrdiff_t line_size, int h);
74 void ff_avg_approx_pixels8_xy2_mmxext(uint8_t *block, const uint8_t *pixels,
75                                       ptrdiff_t line_size, int h);
76 void ff_avg_approx_pixels8_xy2_3dnow(uint8_t *block, const uint8_t *pixels,
77                                      ptrdiff_t line_size, int h);
78 
79 #define avg_pixels8_mmx         ff_avg_pixels8_mmx
80 #define avg_pixels8_x2_mmx      ff_avg_pixels8_x2_mmx
81 #define avg_pixels16_mmx        ff_avg_pixels16_mmx
82 #define avg_pixels8_xy2_mmx     ff_avg_pixels8_xy2_mmx
83 #define avg_pixels16_xy2_mmx    ff_avg_pixels16_xy2_mmx
84 #define put_pixels8_mmx         ff_put_pixels8_mmx
85 #define put_pixels16_mmx        ff_put_pixels16_mmx
86 #define put_pixels8_xy2_mmx     ff_put_pixels8_xy2_mmx
87 #define put_pixels16_xy2_mmx    ff_put_pixels16_xy2_mmx
88 #define avg_no_rnd_pixels16_mmx ff_avg_pixels16_mmx
89 #define put_no_rnd_pixels8_mmx  ff_put_pixels8_mmx
90 #define put_no_rnd_pixels16_mmx ff_put_pixels16_mmx
91 
92 #if HAVE_INLINE_ASM
93 
94 /***********************************/
95 /* MMX no rounding */
96 #define DEF(x, y) x ## _no_rnd_ ## y ## _mmx
97 #define SET_RND  MOVQ_WONE
98 #define PAVGBP(a, b, c, d, e, f)        PAVGBP_MMX_NO_RND(a, b, c, d, e, f)
99 #define PAVGB(a, b, c, e)               PAVGB_MMX_NO_RND(a, b, c, e)
100 #define STATIC static
101 
102 #include "rnd_template.c"
103 #include "hpeldsp_rnd_template.c"
104 
105 #undef DEF
106 #undef SET_RND
107 #undef PAVGBP
108 #undef PAVGB
109 #undef STATIC
110 
111 #if HAVE_MMX
112 CALL_2X_PIXELS(avg_no_rnd_pixels16_y2_mmx, avg_no_rnd_pixels8_y2_mmx, 8)
113 CALL_2X_PIXELS(put_no_rnd_pixels16_y2_mmx, put_no_rnd_pixels8_y2_mmx, 8)
114 
115 CALL_2X_PIXELS(avg_no_rnd_pixels16_xy2_mmx, avg_no_rnd_pixels8_xy2_mmx, 8)
116 CALL_2X_PIXELS(put_no_rnd_pixels16_xy2_mmx, put_no_rnd_pixels8_xy2_mmx, 8)
117 #endif
118 
119 /***********************************/
120 /* MMX rounding */
121 
122 #define DEF(x, y) x ## _ ## y ## _mmx
123 #define SET_RND  MOVQ_WTWO
124 #define PAVGBP(a, b, c, d, e, f)        PAVGBP_MMX(a, b, c, d, e, f)
125 #define PAVGB(a, b, c, e)               PAVGB_MMX(a, b, c, e)
126 
127 #include "hpeldsp_rnd_template.c"
128 
129 #undef DEF
130 #define DEF(x, y) ff_ ## x ## _ ## y ## _mmx
131 #define STATIC
132 
133 #include "rnd_template.c"
134 
135 #undef DEF
136 #undef SET_RND
137 #undef PAVGBP
138 #undef PAVGB
139 
140 #if HAVE_MMX
141 CALL_2X_PIXELS(avg_pixels16_y2_mmx, avg_pixels8_y2_mmx, 8)
142 CALL_2X_PIXELS(put_pixels16_y2_mmx, put_pixels8_y2_mmx, 8)
143 
144 CALL_2X_PIXELS_EXPORT(ff_avg_pixels16_xy2_mmx, ff_avg_pixels8_xy2_mmx, 8)
145 CALL_2X_PIXELS_EXPORT(ff_put_pixels16_xy2_mmx, ff_put_pixels8_xy2_mmx, 8)
146 #endif
147 
148 #endif /* HAVE_INLINE_ASM */
149 
150 
151 #if HAVE_X86ASM
152 
153 #define HPELDSP_AVG_PIXELS16(CPUEXT)                      \
154     CALL_2X_PIXELS(put_no_rnd_pixels16_x2 ## CPUEXT, ff_put_no_rnd_pixels8_x2 ## CPUEXT, 8) \
155     CALL_2X_PIXELS(put_pixels16_y2        ## CPUEXT, ff_put_pixels8_y2        ## CPUEXT, 8) \
156     CALL_2X_PIXELS(put_no_rnd_pixels16_y2 ## CPUEXT, ff_put_no_rnd_pixels8_y2 ## CPUEXT, 8) \
157     CALL_2X_PIXELS(avg_pixels16           ## CPUEXT, ff_avg_pixels8           ## CPUEXT, 8) \
158     CALL_2X_PIXELS(avg_pixels16_x2        ## CPUEXT, ff_avg_pixels8_x2        ## CPUEXT, 8) \
159     CALL_2X_PIXELS(avg_pixels16_y2        ## CPUEXT, ff_avg_pixels8_y2        ## CPUEXT, 8) \
160     CALL_2X_PIXELS(avg_pixels16_xy2       ## CPUEXT, ff_avg_pixels8_xy2       ## CPUEXT, 8) \
161     CALL_2X_PIXELS(avg_approx_pixels16_xy2## CPUEXT, ff_avg_approx_pixels8_xy2## CPUEXT, 8)
162 
HPELDSP_AVG_PIXELS16(_3dnow)163 HPELDSP_AVG_PIXELS16(_3dnow)
164 HPELDSP_AVG_PIXELS16(_mmxext)
165 
166 #endif /* HAVE_X86ASM */
167 
168 #define SET_HPEL_FUNCS_EXT(PFX, IDX, SIZE, CPU)                             \
169     if (HAVE_MMX_EXTERNAL)                                                  \
170     c->PFX ## _pixels_tab IDX [0] = PFX ## _pixels ## SIZE ## _     ## CPU;
171 
172 #if HAVE_MMX_INLINE
173 #define SET_HPEL_FUNCS(PFX, IDX, SIZE, CPU)                                     \
174     do {                                                                        \
175         SET_HPEL_FUNCS_EXT(PFX, IDX, SIZE, CPU)                                 \
176         c->PFX ## _pixels_tab IDX [1] = PFX ## _pixels ## SIZE ## _x2_  ## CPU; \
177         c->PFX ## _pixels_tab IDX [2] = PFX ## _pixels ## SIZE ## _y2_  ## CPU; \
178         c->PFX ## _pixels_tab IDX [3] = PFX ## _pixels ## SIZE ## _xy2_ ## CPU; \
179     } while (0)
180 #else
181 #define SET_HPEL_FUNCS(PFX, IDX, SIZE, CPU)                                     \
182     do {                                                                        \
183         SET_HPEL_FUNCS_EXT(PFX, IDX, SIZE, CPU)                                 \
184     } while (0)
185 #endif
186 
187 static void hpeldsp_init_mmx(HpelDSPContext *c, int flags)
188 {
189     SET_HPEL_FUNCS(put,        [0], 16, mmx);
190     SET_HPEL_FUNCS(put_no_rnd, [0], 16, mmx);
191     SET_HPEL_FUNCS(avg,        [0], 16, mmx);
192     SET_HPEL_FUNCS(avg_no_rnd,    , 16, mmx);
193     SET_HPEL_FUNCS(put,        [1],  8, mmx);
194     SET_HPEL_FUNCS(put_no_rnd, [1],  8, mmx);
195     if (HAVE_MMX_EXTERNAL) {
196         c->avg_pixels_tab[1][0] = ff_avg_pixels8_mmx;
197         c->avg_pixels_tab[1][1] = ff_avg_pixels8_x2_mmx;
198     }
199 #if HAVE_MMX_INLINE
200     c->avg_pixels_tab[1][2] = avg_pixels8_y2_mmx;
201     c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_mmx;
202 #endif
203 }
204 
hpeldsp_init_mmxext(HpelDSPContext * c,int flags)205 static void hpeldsp_init_mmxext(HpelDSPContext *c, int flags)
206 {
207 #if HAVE_MMXEXT_EXTERNAL
208     c->put_pixels_tab[0][1] = ff_put_pixels16_x2_mmxext;
209     c->put_pixels_tab[0][2] = put_pixels16_y2_mmxext;
210 
211     c->avg_pixels_tab[0][0] = avg_pixels16_mmxext;
212     c->avg_pixels_tab[0][1] = avg_pixels16_x2_mmxext;
213     c->avg_pixels_tab[0][2] = avg_pixels16_y2_mmxext;
214     c->avg_pixels_tab[0][3] = avg_pixels16_xy2_mmxext;
215 
216     c->put_pixels_tab[1][1] = ff_put_pixels8_x2_mmxext;
217     c->put_pixels_tab[1][2] = ff_put_pixels8_y2_mmxext;
218 
219     c->avg_pixels_tab[1][0] = ff_avg_pixels8_mmxext;
220     c->avg_pixels_tab[1][1] = ff_avg_pixels8_x2_mmxext;
221     c->avg_pixels_tab[1][2] = ff_avg_pixels8_y2_mmxext;
222     c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_mmxext;
223 
224     if (!(flags & AV_CODEC_FLAG_BITEXACT)) {
225         c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_mmxext;
226         c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_mmxext;
227         c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_mmxext;
228         c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_mmxext;
229 
230         c->avg_pixels_tab[0][3] = avg_approx_pixels16_xy2_mmxext;
231         c->avg_pixels_tab[1][3] = ff_avg_approx_pixels8_xy2_mmxext;
232     }
233 #endif /* HAVE_MMXEXT_EXTERNAL */
234 }
235 
hpeldsp_init_3dnow(HpelDSPContext * c,int flags)236 static void hpeldsp_init_3dnow(HpelDSPContext *c, int flags)
237 {
238 #if HAVE_AMD3DNOW_EXTERNAL
239     c->put_pixels_tab[0][1] = ff_put_pixels16_x2_3dnow;
240     c->put_pixels_tab[0][2] = put_pixels16_y2_3dnow;
241 
242     c->avg_pixels_tab[0][0] = avg_pixels16_3dnow;
243     c->avg_pixels_tab[0][1] = avg_pixels16_x2_3dnow;
244     c->avg_pixels_tab[0][2] = avg_pixels16_y2_3dnow;
245     c->avg_pixels_tab[0][3] = avg_pixels16_xy2_3dnow;
246 
247     c->put_pixels_tab[1][1] = ff_put_pixels8_x2_3dnow;
248     c->put_pixels_tab[1][2] = ff_put_pixels8_y2_3dnow;
249 
250     c->avg_pixels_tab[1][0] = ff_avg_pixels8_3dnow;
251     c->avg_pixels_tab[1][1] = ff_avg_pixels8_x2_3dnow;
252     c->avg_pixels_tab[1][2] = ff_avg_pixels8_y2_3dnow;
253     c->avg_pixels_tab[1][3] = ff_avg_pixels8_xy2_3dnow;
254 
255     if (!(flags & AV_CODEC_FLAG_BITEXACT)){
256         c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_3dnow;
257         c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_3dnow;
258         c->put_no_rnd_pixels_tab[1][1] = ff_put_no_rnd_pixels8_x2_3dnow;
259         c->put_no_rnd_pixels_tab[1][2] = ff_put_no_rnd_pixels8_y2_3dnow;
260 
261         c->avg_pixels_tab[0][3] = avg_approx_pixels16_xy2_3dnow;
262         c->avg_pixels_tab[1][3] = ff_avg_approx_pixels8_xy2_3dnow;
263     }
264 #endif /* HAVE_AMD3DNOW_EXTERNAL */
265 }
266 
hpeldsp_init_sse2_fast(HpelDSPContext * c,int flags)267 static void hpeldsp_init_sse2_fast(HpelDSPContext *c, int flags)
268 {
269 #if HAVE_SSE2_EXTERNAL
270     c->put_pixels_tab[0][0]        = ff_put_pixels16_sse2;
271     c->put_no_rnd_pixels_tab[0][0] = ff_put_pixels16_sse2;
272     c->put_pixels_tab[0][1]        = ff_put_pixels16_x2_sse2;
273     c->put_pixels_tab[0][2]        = ff_put_pixels16_y2_sse2;
274     c->put_pixels_tab[0][3]        = ff_put_pixels16_xy2_sse2;
275     c->avg_pixels_tab[0][0]        = ff_avg_pixels16_sse2;
276     c->avg_pixels_tab[0][1]        = ff_avg_pixels16_x2_sse2;
277     c->avg_pixels_tab[0][2]        = ff_avg_pixels16_y2_sse2;
278     c->avg_pixels_tab[0][3]        = ff_avg_pixels16_xy2_sse2;
279 #endif /* HAVE_SSE2_EXTERNAL */
280 }
281 
hpeldsp_init_ssse3(HpelDSPContext * c,int flags)282 static void hpeldsp_init_ssse3(HpelDSPContext *c, int flags)
283 {
284 #if HAVE_SSSE3_EXTERNAL
285     c->put_pixels_tab[0][3]            = ff_put_pixels16_xy2_ssse3;
286     c->avg_pixels_tab[0][3]            = ff_avg_pixels16_xy2_ssse3;
287     c->put_pixels_tab[1][3]            = ff_put_pixels8_xy2_ssse3;
288     c->avg_pixels_tab[1][3]            = ff_avg_pixels8_xy2_ssse3;
289 #endif
290 }
291 
ff_hpeldsp_init_x86(HpelDSPContext * c,int flags)292 av_cold void ff_hpeldsp_init_x86(HpelDSPContext *c, int flags)
293 {
294     int cpu_flags = av_get_cpu_flags();
295 
296     if (INLINE_MMX(cpu_flags))
297         hpeldsp_init_mmx(c, flags);
298 
299     if (EXTERNAL_AMD3DNOW(cpu_flags))
300         hpeldsp_init_3dnow(c, flags);
301 
302     if (EXTERNAL_MMXEXT(cpu_flags))
303         hpeldsp_init_mmxext(c, flags);
304 
305     if (EXTERNAL_SSE2_FAST(cpu_flags))
306         hpeldsp_init_sse2_fast(c, flags);
307 
308     if (EXTERNAL_SSSE3(cpu_flags))
309         hpeldsp_init_ssse3(c, flags);
310 
311     if (CONFIG_VP3_DECODER)
312         ff_hpeldsp_vp3_init_x86(c, cpu_flags, flags);
313 }
314