1 /*
2  * VP8 DSP functions x86-optimized
3  * Copyright (c) 2010 Ronald S. Bultje <rsbultje@gmail.com>
4  * Copyright (c) 2010 Fiona Glaser <fiona@x264.com>
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/attributes.h"
24 #include "libavutil/cpu.h"
25 #include "libavutil/mem.h"
26 #include "libavutil/x86/cpu.h"
27 #include "libavcodec/vp8dsp.h"
28 
29 #if HAVE_X86ASM
30 
31 /*
32  * MC functions
33  */
34 void ff_put_vp8_epel4_h4_mmxext(uint8_t *dst, ptrdiff_t dststride,
35                                 uint8_t *src, ptrdiff_t srcstride,
36                                 int height, int mx, int my);
37 void ff_put_vp8_epel4_h6_mmxext(uint8_t *dst, ptrdiff_t dststride,
38                                 uint8_t *src, ptrdiff_t srcstride,
39                                 int height, int mx, int my);
40 void ff_put_vp8_epel4_v4_mmxext(uint8_t *dst, ptrdiff_t dststride,
41                                 uint8_t *src, ptrdiff_t srcstride,
42                                 int height, int mx, int my);
43 void ff_put_vp8_epel4_v6_mmxext(uint8_t *dst, ptrdiff_t dststride,
44                                 uint8_t *src, ptrdiff_t srcstride,
45                                 int height, int mx, int my);
46 
47 void ff_put_vp8_epel8_h4_sse2  (uint8_t *dst, ptrdiff_t dststride,
48                                 uint8_t *src, ptrdiff_t srcstride,
49                                 int height, int mx, int my);
50 void ff_put_vp8_epel8_h6_sse2  (uint8_t *dst, ptrdiff_t dststride,
51                                 uint8_t *src, ptrdiff_t srcstride,
52                                 int height, int mx, int my);
53 void ff_put_vp8_epel8_v4_sse2  (uint8_t *dst, ptrdiff_t dststride,
54                                 uint8_t *src, ptrdiff_t srcstride,
55                                 int height, int mx, int my);
56 void ff_put_vp8_epel8_v6_sse2  (uint8_t *dst, ptrdiff_t dststride,
57                                 uint8_t *src, ptrdiff_t srcstride,
58                                 int height, int mx, int my);
59 
60 void ff_put_vp8_epel4_h4_ssse3 (uint8_t *dst, ptrdiff_t dststride,
61                                 uint8_t *src, ptrdiff_t srcstride,
62                                 int height, int mx, int my);
63 void ff_put_vp8_epel4_h6_ssse3 (uint8_t *dst, ptrdiff_t dststride,
64                                 uint8_t *src, ptrdiff_t srcstride,
65                                 int height, int mx, int my);
66 void ff_put_vp8_epel4_v4_ssse3 (uint8_t *dst, ptrdiff_t dststride,
67                                 uint8_t *src, ptrdiff_t srcstride,
68                                 int height, int mx, int my);
69 void ff_put_vp8_epel4_v6_ssse3 (uint8_t *dst, ptrdiff_t dststride,
70                                 uint8_t *src, ptrdiff_t srcstride,
71                                 int height, int mx, int my);
72 void ff_put_vp8_epel8_h4_ssse3 (uint8_t *dst, ptrdiff_t dststride,
73                                 uint8_t *src, ptrdiff_t srcstride,
74                                 int height, int mx, int my);
75 void ff_put_vp8_epel8_h6_ssse3 (uint8_t *dst, ptrdiff_t dststride,
76                                 uint8_t *src, ptrdiff_t srcstride,
77                                 int height, int mx, int my);
78 void ff_put_vp8_epel8_v4_ssse3 (uint8_t *dst, ptrdiff_t dststride,
79                                 uint8_t *src, ptrdiff_t srcstride,
80                                 int height, int mx, int my);
81 void ff_put_vp8_epel8_v6_ssse3 (uint8_t *dst, ptrdiff_t dststride,
82                                 uint8_t *src, ptrdiff_t srcstride,
83                                 int height, int mx, int my);
84 
85 void ff_put_vp8_bilinear4_h_mmxext(uint8_t *dst, ptrdiff_t dststride,
86                                    uint8_t *src, ptrdiff_t srcstride,
87                                    int height, int mx, int my);
88 void ff_put_vp8_bilinear8_h_sse2  (uint8_t *dst, ptrdiff_t dststride,
89                                    uint8_t *src, ptrdiff_t srcstride,
90                                    int height, int mx, int my);
91 void ff_put_vp8_bilinear4_h_ssse3 (uint8_t *dst, ptrdiff_t dststride,
92                                    uint8_t *src, ptrdiff_t srcstride,
93                                    int height, int mx, int my);
94 void ff_put_vp8_bilinear8_h_ssse3 (uint8_t *dst, ptrdiff_t dststride,
95                                    uint8_t *src, ptrdiff_t srcstride,
96                                    int height, int mx, int my);
97 
98 void ff_put_vp8_bilinear4_v_mmxext(uint8_t *dst, ptrdiff_t dststride,
99                                    uint8_t *src, ptrdiff_t srcstride,
100                                    int height, int mx, int my);
101 void ff_put_vp8_bilinear8_v_sse2  (uint8_t *dst, ptrdiff_t dststride,
102                                    uint8_t *src, ptrdiff_t srcstride,
103                                    int height, int mx, int my);
104 void ff_put_vp8_bilinear4_v_ssse3 (uint8_t *dst, ptrdiff_t dststride,
105                                    uint8_t *src, ptrdiff_t srcstride,
106                                    int height, int mx, int my);
107 void ff_put_vp8_bilinear8_v_ssse3 (uint8_t *dst, ptrdiff_t dststride,
108                                    uint8_t *src, ptrdiff_t srcstride,
109                                    int height, int mx, int my);
110 
111 
112 void ff_put_vp8_pixels8_mmx (uint8_t *dst, ptrdiff_t dststride,
113                              uint8_t *src, ptrdiff_t srcstride,
114                              int height, int mx, int my);
115 void ff_put_vp8_pixels16_mmx(uint8_t *dst, ptrdiff_t dststride,
116                              uint8_t *src, ptrdiff_t srcstride,
117                              int height, int mx, int my);
118 void ff_put_vp8_pixels16_sse(uint8_t *dst, ptrdiff_t dststride,
119                              uint8_t *src, ptrdiff_t srcstride,
120                              int height, int mx, int my);
121 
122 #define TAP_W16(OPT, FILTERTYPE, TAPTYPE) \
123 static void ff_put_vp8_ ## FILTERTYPE ## 16_ ## TAPTYPE ## _ ## OPT( \
124     uint8_t *dst,  ptrdiff_t dststride, uint8_t *src, \
125     ptrdiff_t srcstride, int height, int mx, int my) \
126 { \
127     ff_put_vp8_ ## FILTERTYPE ## 8_ ## TAPTYPE ## _ ## OPT( \
128         dst,     dststride, src,     srcstride, height, mx, my); \
129     ff_put_vp8_ ## FILTERTYPE ## 8_ ## TAPTYPE ## _ ## OPT( \
130         dst + 8, dststride, src + 8, srcstride, height, mx, my); \
131 }
132 #define TAP_W8(OPT, FILTERTYPE, TAPTYPE) \
133 static void ff_put_vp8_ ## FILTERTYPE ## 8_ ## TAPTYPE ## _ ## OPT( \
134     uint8_t *dst,  ptrdiff_t dststride, uint8_t *src, \
135     ptrdiff_t srcstride, int height, int mx, int my) \
136 { \
137     ff_put_vp8_ ## FILTERTYPE ## 4_ ## TAPTYPE ## _ ## OPT( \
138         dst,     dststride, src,     srcstride, height, mx, my); \
139     ff_put_vp8_ ## FILTERTYPE ## 4_ ## TAPTYPE ## _ ## OPT( \
140         dst + 4, dststride, src + 4, srcstride, height, mx, my); \
141 }
142 
143 #if ARCH_X86_32
144 TAP_W8 (mmxext, epel, h4)
145 TAP_W8 (mmxext, epel, h6)
146 TAP_W16(mmxext, epel, h6)
147 TAP_W8 (mmxext, epel, v4)
148 TAP_W8 (mmxext, epel, v6)
149 TAP_W16(mmxext, epel, v6)
150 TAP_W8 (mmxext, bilinear, h)
151 TAP_W16(mmxext, bilinear, h)
152 TAP_W8 (mmxext, bilinear, v)
153 TAP_W16(mmxext, bilinear, v)
154 #endif
155 
156 TAP_W16(sse2,  epel, h6)
157 TAP_W16(sse2,  epel, v6)
158 TAP_W16(sse2,  bilinear, h)
159 TAP_W16(sse2,  bilinear, v)
160 
161 TAP_W16(ssse3, epel, h6)
162 TAP_W16(ssse3, epel, v6)
163 TAP_W16(ssse3, bilinear, h)
164 TAP_W16(ssse3, bilinear, v)
165 
166 #define HVTAP(OPT, ALIGN, TAPNUMX, TAPNUMY, SIZE, MAXHEIGHT) \
167 static void ff_put_vp8_epel ## SIZE ## _h ## TAPNUMX ## v ## TAPNUMY ## _ ## OPT( \
168     uint8_t *dst, ptrdiff_t dststride, uint8_t *src, \
169     ptrdiff_t srcstride, int height, int mx, int my) \
170 { \
171     LOCAL_ALIGNED(ALIGN, uint8_t, tmp, [SIZE * (MAXHEIGHT + TAPNUMY - 1)]); \
172     uint8_t *tmpptr = tmp + SIZE * (TAPNUMY / 2 - 1); \
173     src -= srcstride * (TAPNUMY / 2 - 1); \
174     ff_put_vp8_epel ## SIZE ## _h ## TAPNUMX ## _ ## OPT( \
175         tmp, SIZE,      src,    srcstride, height + TAPNUMY - 1, mx, my); \
176     ff_put_vp8_epel ## SIZE ## _v ## TAPNUMY ## _ ## OPT( \
177         dst, dststride, tmpptr, SIZE,      height,               mx, my); \
178 }
179 
180 #if ARCH_X86_32
181 #define HVTAPMMX(x, y) \
182 HVTAP(mmxext, 8, x, y,  4,  8) \
183 HVTAP(mmxext, 8, x, y,  8, 16)
184 
185 HVTAP(mmxext, 8, 6, 6, 16, 16)
186 #else
187 #define HVTAPMMX(x, y) \
188 HVTAP(mmxext, 8, x, y,  4,  8)
189 #endif
190 
191 HVTAPMMX(4, 4)
192 HVTAPMMX(4, 6)
193 HVTAPMMX(6, 4)
194 HVTAPMMX(6, 6)
195 
196 #define HVTAPSSE2(x, y, w) \
197 HVTAP(sse2,  16, x, y, w, 16) \
198 HVTAP(ssse3, 16, x, y, w, 16)
199 
200 HVTAPSSE2(4, 4, 8)
201 HVTAPSSE2(4, 6, 8)
202 HVTAPSSE2(6, 4, 8)
203 HVTAPSSE2(6, 6, 8)
204 HVTAPSSE2(6, 6, 16)
205 
206 HVTAP(ssse3, 16, 4, 4, 4, 8)
207 HVTAP(ssse3, 16, 4, 6, 4, 8)
208 HVTAP(ssse3, 16, 6, 4, 4, 8)
209 HVTAP(ssse3, 16, 6, 6, 4, 8)
210 
211 #define HVBILIN(OPT, ALIGN, SIZE, MAXHEIGHT) \
212 static void ff_put_vp8_bilinear ## SIZE ## _hv_ ## OPT( \
213     uint8_t *dst, ptrdiff_t dststride, uint8_t *src, \
214     ptrdiff_t srcstride, int height, int mx, int my) \
215 { \
216     LOCAL_ALIGNED(ALIGN, uint8_t, tmp, [SIZE * (MAXHEIGHT + 2)]); \
217     ff_put_vp8_bilinear ## SIZE ## _h_ ## OPT( \
218         tmp, SIZE,      src, srcstride, height + 1, mx, my); \
219     ff_put_vp8_bilinear ## SIZE ## _v_ ## OPT( \
220         dst, dststride, tmp, SIZE,      height,     mx, my); \
221 }
222 
223 HVBILIN(mmxext,  8,  4,  8)
224 #if ARCH_X86_32
225 HVBILIN(mmxext,  8,  8, 16)
226 HVBILIN(mmxext,  8, 16, 16)
227 #endif
228 HVBILIN(sse2,  8,  8, 16)
229 HVBILIN(sse2,  8, 16, 16)
230 HVBILIN(ssse3, 8,  4,  8)
231 HVBILIN(ssse3, 8,  8, 16)
232 HVBILIN(ssse3, 8, 16, 16)
233 
234 void ff_vp8_idct_dc_add_mmx(uint8_t *dst, int16_t block[16],
235                             ptrdiff_t stride);
236 void ff_vp8_idct_dc_add_sse2(uint8_t *dst, int16_t block[16],
237                              ptrdiff_t stride);
238 void ff_vp8_idct_dc_add_sse4(uint8_t *dst, int16_t block[16],
239                              ptrdiff_t stride);
240 void ff_vp8_idct_dc_add4y_mmx(uint8_t *dst, int16_t block[4][16],
241                                ptrdiff_t stride);
242 void ff_vp8_idct_dc_add4y_sse2(uint8_t *dst, int16_t block[4][16],
243                                ptrdiff_t stride);
244 void ff_vp8_idct_dc_add4uv_mmx(uint8_t *dst, int16_t block[2][16],
245                                ptrdiff_t stride);
246 void ff_vp8_luma_dc_wht_mmx(int16_t block[4][4][16], int16_t dc[16]);
247 void ff_vp8_luma_dc_wht_sse(int16_t block[4][4][16], int16_t dc[16]);
248 void ff_vp8_idct_add_mmx(uint8_t *dst, int16_t block[16], ptrdiff_t stride);
249 void ff_vp8_idct_add_sse(uint8_t *dst, int16_t block[16], ptrdiff_t stride);
250 
251 #define DECLARE_LOOP_FILTER(NAME)                                       \
252 void ff_vp8_v_loop_filter_simple_ ## NAME(uint8_t *dst,                 \
253                                           ptrdiff_t stride,             \
254                                           int flim);                    \
255 void ff_vp8_h_loop_filter_simple_ ## NAME(uint8_t *dst,                 \
256                                           ptrdiff_t stride,             \
257                                           int flim);                    \
258 void ff_vp8_v_loop_filter16y_inner_ ## NAME (uint8_t *dst,              \
259                                              ptrdiff_t stride,          \
260                                              int e, int i, int hvt);    \
261 void ff_vp8_h_loop_filter16y_inner_ ## NAME (uint8_t *dst,              \
262                                              ptrdiff_t stride,          \
263                                              int e, int i, int hvt);    \
264 void ff_vp8_v_loop_filter8uv_inner_ ## NAME (uint8_t *dstU,             \
265                                              uint8_t *dstV,             \
266                                              ptrdiff_t s,               \
267                                              int e, int i, int hvt);    \
268 void ff_vp8_h_loop_filter8uv_inner_ ## NAME (uint8_t *dstU,             \
269                                              uint8_t *dstV,             \
270                                              ptrdiff_t s,               \
271                                              int e, int i, int hvt);    \
272 void ff_vp8_v_loop_filter16y_mbedge_ ## NAME(uint8_t *dst,              \
273                                              ptrdiff_t stride,          \
274                                              int e, int i, int hvt);    \
275 void ff_vp8_h_loop_filter16y_mbedge_ ## NAME(uint8_t *dst,              \
276                                              ptrdiff_t stride,          \
277                                              int e, int i, int hvt);    \
278 void ff_vp8_v_loop_filter8uv_mbedge_ ## NAME(uint8_t *dstU,             \
279                                              uint8_t *dstV,             \
280                                              ptrdiff_t s,               \
281                                              int e, int i, int hvt);    \
282 void ff_vp8_h_loop_filter8uv_mbedge_ ## NAME(uint8_t *dstU,             \
283                                              uint8_t *dstV,             \
284                                              ptrdiff_t s,               \
285                                              int e, int i, int hvt);
286 
287 DECLARE_LOOP_FILTER(mmx)
DECLARE_LOOP_FILTER(mmxext)288 DECLARE_LOOP_FILTER(mmxext)
289 DECLARE_LOOP_FILTER(sse2)
290 DECLARE_LOOP_FILTER(ssse3)
291 DECLARE_LOOP_FILTER(sse4)
292 
293 #endif /* HAVE_X86ASM */
294 
295 #define VP8_LUMA_MC_FUNC(IDX, SIZE, OPT) \
296     c->put_vp8_epel_pixels_tab[IDX][0][2] = ff_put_vp8_epel ## SIZE ## _h6_ ## OPT; \
297     c->put_vp8_epel_pixels_tab[IDX][2][0] = ff_put_vp8_epel ## SIZE ## _v6_ ## OPT; \
298     c->put_vp8_epel_pixels_tab[IDX][2][2] = ff_put_vp8_epel ## SIZE ## _h6v6_ ## OPT
299 
300 #define VP8_MC_FUNC(IDX, SIZE, OPT) \
301     c->put_vp8_epel_pixels_tab[IDX][0][1] = ff_put_vp8_epel ## SIZE ## _h4_ ## OPT; \
302     c->put_vp8_epel_pixels_tab[IDX][1][0] = ff_put_vp8_epel ## SIZE ## _v4_ ## OPT; \
303     c->put_vp8_epel_pixels_tab[IDX][1][1] = ff_put_vp8_epel ## SIZE ## _h4v4_ ## OPT; \
304     c->put_vp8_epel_pixels_tab[IDX][1][2] = ff_put_vp8_epel ## SIZE ## _h6v4_ ## OPT; \
305     c->put_vp8_epel_pixels_tab[IDX][2][1] = ff_put_vp8_epel ## SIZE ## _h4v6_ ## OPT; \
306     VP8_LUMA_MC_FUNC(IDX, SIZE, OPT)
307 
308 #define VP8_BILINEAR_MC_FUNC(IDX, SIZE, OPT) \
309     c->put_vp8_bilinear_pixels_tab[IDX][0][1] = ff_put_vp8_bilinear ## SIZE ## _h_ ## OPT; \
310     c->put_vp8_bilinear_pixels_tab[IDX][0][2] = ff_put_vp8_bilinear ## SIZE ## _h_ ## OPT; \
311     c->put_vp8_bilinear_pixels_tab[IDX][1][0] = ff_put_vp8_bilinear ## SIZE ## _v_ ## OPT; \
312     c->put_vp8_bilinear_pixels_tab[IDX][1][1] = ff_put_vp8_bilinear ## SIZE ## _hv_ ## OPT; \
313     c->put_vp8_bilinear_pixels_tab[IDX][1][2] = ff_put_vp8_bilinear ## SIZE ## _hv_ ## OPT; \
314     c->put_vp8_bilinear_pixels_tab[IDX][2][0] = ff_put_vp8_bilinear ## SIZE ## _v_ ## OPT; \
315     c->put_vp8_bilinear_pixels_tab[IDX][2][1] = ff_put_vp8_bilinear ## SIZE ## _hv_ ## OPT; \
316     c->put_vp8_bilinear_pixels_tab[IDX][2][2] = ff_put_vp8_bilinear ## SIZE ## _hv_ ## OPT
317 
318 
319 av_cold void ff_vp78dsp_init_x86(VP8DSPContext *c)
320 {
321 #if HAVE_X86ASM
322     int cpu_flags = av_get_cpu_flags();
323 
324     if (EXTERNAL_MMX(cpu_flags)) {
325 #if ARCH_X86_32
326         c->put_vp8_epel_pixels_tab[0][0][0]     =
327         c->put_vp8_bilinear_pixels_tab[0][0][0] = ff_put_vp8_pixels16_mmx;
328 #endif
329         c->put_vp8_epel_pixels_tab[1][0][0]     =
330         c->put_vp8_bilinear_pixels_tab[1][0][0] = ff_put_vp8_pixels8_mmx;
331     }
332 
333     /* note that 4-tap width=16 functions are missing because w=16
334      * is only used for luma, and luma is always a copy or sixtap. */
335     if (EXTERNAL_MMXEXT(cpu_flags)) {
336         VP8_MC_FUNC(2, 4, mmxext);
337         VP8_BILINEAR_MC_FUNC(2, 4, mmxext);
338 #if ARCH_X86_32
339         VP8_LUMA_MC_FUNC(0, 16, mmxext);
340         VP8_MC_FUNC(1, 8, mmxext);
341         VP8_BILINEAR_MC_FUNC(0, 16, mmxext);
342         VP8_BILINEAR_MC_FUNC(1,  8, mmxext);
343 #endif
344     }
345 
346     if (EXTERNAL_SSE(cpu_flags)) {
347         c->put_vp8_epel_pixels_tab[0][0][0]     =
348         c->put_vp8_bilinear_pixels_tab[0][0][0] = ff_put_vp8_pixels16_sse;
349     }
350 
351     if (EXTERNAL_SSE2(cpu_flags) || EXTERNAL_SSE2_SLOW(cpu_flags)) {
352         VP8_LUMA_MC_FUNC(0, 16, sse2);
353         VP8_MC_FUNC(1, 8, sse2);
354         VP8_BILINEAR_MC_FUNC(0, 16, sse2);
355         VP8_BILINEAR_MC_FUNC(1, 8, sse2);
356     }
357 
358     if (EXTERNAL_SSSE3(cpu_flags)) {
359         VP8_LUMA_MC_FUNC(0, 16, ssse3);
360         VP8_MC_FUNC(1, 8, ssse3);
361         VP8_MC_FUNC(2, 4, ssse3);
362         VP8_BILINEAR_MC_FUNC(0, 16, ssse3);
363         VP8_BILINEAR_MC_FUNC(1, 8, ssse3);
364         VP8_BILINEAR_MC_FUNC(2, 4, ssse3);
365     }
366 #endif /* HAVE_X86ASM */
367 }
368 
ff_vp8dsp_init_x86(VP8DSPContext * c)369 av_cold void ff_vp8dsp_init_x86(VP8DSPContext *c)
370 {
371 #if HAVE_X86ASM
372     int cpu_flags = av_get_cpu_flags();
373 
374     if (EXTERNAL_MMX(cpu_flags)) {
375         c->vp8_idct_dc_add4uv = ff_vp8_idct_dc_add4uv_mmx;
376 #if ARCH_X86_32
377         c->vp8_idct_dc_add    = ff_vp8_idct_dc_add_mmx;
378         c->vp8_idct_dc_add4y  = ff_vp8_idct_dc_add4y_mmx;
379         c->vp8_idct_add       = ff_vp8_idct_add_mmx;
380         c->vp8_luma_dc_wht    = ff_vp8_luma_dc_wht_mmx;
381 
382         c->vp8_v_loop_filter_simple = ff_vp8_v_loop_filter_simple_mmx;
383         c->vp8_h_loop_filter_simple = ff_vp8_h_loop_filter_simple_mmx;
384 
385         c->vp8_v_loop_filter16y_inner = ff_vp8_v_loop_filter16y_inner_mmx;
386         c->vp8_h_loop_filter16y_inner = ff_vp8_h_loop_filter16y_inner_mmx;
387         c->vp8_v_loop_filter8uv_inner = ff_vp8_v_loop_filter8uv_inner_mmx;
388         c->vp8_h_loop_filter8uv_inner = ff_vp8_h_loop_filter8uv_inner_mmx;
389 
390         c->vp8_v_loop_filter16y       = ff_vp8_v_loop_filter16y_mbedge_mmx;
391         c->vp8_h_loop_filter16y       = ff_vp8_h_loop_filter16y_mbedge_mmx;
392         c->vp8_v_loop_filter8uv       = ff_vp8_v_loop_filter8uv_mbedge_mmx;
393         c->vp8_h_loop_filter8uv       = ff_vp8_h_loop_filter8uv_mbedge_mmx;
394 #endif
395     }
396 
397     /* note that 4-tap width=16 functions are missing because w=16
398      * is only used for luma, and luma is always a copy or sixtap. */
399     if (EXTERNAL_MMXEXT(cpu_flags)) {
400 #if ARCH_X86_32
401         c->vp8_v_loop_filter_simple   = ff_vp8_v_loop_filter_simple_mmxext;
402         c->vp8_h_loop_filter_simple   = ff_vp8_h_loop_filter_simple_mmxext;
403 
404         c->vp8_v_loop_filter16y_inner = ff_vp8_v_loop_filter16y_inner_mmxext;
405         c->vp8_h_loop_filter16y_inner = ff_vp8_h_loop_filter16y_inner_mmxext;
406         c->vp8_v_loop_filter8uv_inner = ff_vp8_v_loop_filter8uv_inner_mmxext;
407         c->vp8_h_loop_filter8uv_inner = ff_vp8_h_loop_filter8uv_inner_mmxext;
408 
409         c->vp8_v_loop_filter16y       = ff_vp8_v_loop_filter16y_mbedge_mmxext;
410         c->vp8_h_loop_filter16y       = ff_vp8_h_loop_filter16y_mbedge_mmxext;
411         c->vp8_v_loop_filter8uv       = ff_vp8_v_loop_filter8uv_mbedge_mmxext;
412         c->vp8_h_loop_filter8uv       = ff_vp8_h_loop_filter8uv_mbedge_mmxext;
413 #endif
414     }
415 
416     if (EXTERNAL_SSE(cpu_flags)) {
417         c->vp8_idct_add                         = ff_vp8_idct_add_sse;
418         c->vp8_luma_dc_wht                      = ff_vp8_luma_dc_wht_sse;
419     }
420 
421     if (EXTERNAL_SSE2(cpu_flags) || EXTERNAL_SSE2_SLOW(cpu_flags)) {
422         c->vp8_v_loop_filter_simple = ff_vp8_v_loop_filter_simple_sse2;
423 
424         c->vp8_v_loop_filter16y_inner = ff_vp8_v_loop_filter16y_inner_sse2;
425         c->vp8_v_loop_filter8uv_inner = ff_vp8_v_loop_filter8uv_inner_sse2;
426 
427         c->vp8_v_loop_filter16y       = ff_vp8_v_loop_filter16y_mbedge_sse2;
428         c->vp8_v_loop_filter8uv       = ff_vp8_v_loop_filter8uv_mbedge_sse2;
429     }
430 
431     if (EXTERNAL_SSE2(cpu_flags)) {
432         c->vp8_idct_dc_add            = ff_vp8_idct_dc_add_sse2;
433         c->vp8_idct_dc_add4y          = ff_vp8_idct_dc_add4y_sse2;
434 
435         c->vp8_h_loop_filter_simple   = ff_vp8_h_loop_filter_simple_sse2;
436 
437         c->vp8_h_loop_filter16y_inner = ff_vp8_h_loop_filter16y_inner_sse2;
438         c->vp8_h_loop_filter8uv_inner = ff_vp8_h_loop_filter8uv_inner_sse2;
439 
440         c->vp8_h_loop_filter16y       = ff_vp8_h_loop_filter16y_mbedge_sse2;
441         c->vp8_h_loop_filter8uv       = ff_vp8_h_loop_filter8uv_mbedge_sse2;
442     }
443 
444     if (EXTERNAL_SSSE3(cpu_flags)) {
445         c->vp8_v_loop_filter_simple = ff_vp8_v_loop_filter_simple_ssse3;
446         c->vp8_h_loop_filter_simple = ff_vp8_h_loop_filter_simple_ssse3;
447 
448         c->vp8_v_loop_filter16y_inner = ff_vp8_v_loop_filter16y_inner_ssse3;
449         c->vp8_h_loop_filter16y_inner = ff_vp8_h_loop_filter16y_inner_ssse3;
450         c->vp8_v_loop_filter8uv_inner = ff_vp8_v_loop_filter8uv_inner_ssse3;
451         c->vp8_h_loop_filter8uv_inner = ff_vp8_h_loop_filter8uv_inner_ssse3;
452 
453         c->vp8_v_loop_filter16y       = ff_vp8_v_loop_filter16y_mbedge_ssse3;
454         c->vp8_h_loop_filter16y       = ff_vp8_h_loop_filter16y_mbedge_ssse3;
455         c->vp8_v_loop_filter8uv       = ff_vp8_v_loop_filter8uv_mbedge_ssse3;
456         c->vp8_h_loop_filter8uv       = ff_vp8_h_loop_filter8uv_mbedge_ssse3;
457     }
458 
459     if (EXTERNAL_SSE4(cpu_flags)) {
460         c->vp8_idct_dc_add            = ff_vp8_idct_dc_add_sse4;
461 
462         c->vp8_h_loop_filter_simple   = ff_vp8_h_loop_filter_simple_sse4;
463         c->vp8_h_loop_filter16y       = ff_vp8_h_loop_filter16y_mbedge_sse4;
464         c->vp8_h_loop_filter8uv       = ff_vp8_h_loop_filter8uv_mbedge_sse4;
465     }
466 #endif /* HAVE_X86ASM */
467 }
468