Rename libavcodec/i386/ --> libavcodec/x86/.
[ffmpeg.git] / libavcodec / x86 / vc1dsp_mmx.c
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/x86_cpu.h"
28 #include "libavcodec/dsputil.h"
29 #include "dsputil_mmx.h"
30
31 /** Add rounder from mm7 to mm3 and pack result at destination */
32 #define NORMALIZE_MMX(SHIFT)                                    \
33      "paddw     %%mm7, %%mm3           \n\t" /* +bias-r */      \
34      "paddw     %%mm7, %%mm4           \n\t" /* +bias-r */      \
35      "psraw     "SHIFT", %%mm3         \n\t"                    \
36      "psraw     "SHIFT", %%mm4         \n\t"
37
38 #define TRANSFER_DO_PACK                        \
39      "packuswb  %%mm4, %%mm3           \n\t"    \
40      "movq      %%mm3, (%2)            \n\t"
41
42 #define TRANSFER_DONT_PACK                      \
43      "movq      %%mm3, 0(%2)           \n\t"    \
44      "movq      %%mm4, 8(%2)           \n\t"
45
46 /** @see MSPEL_FILTER13_CORE for use as UNPACK macro */
47 #define DO_UNPACK(reg)  "punpcklbw %%mm0, " reg "\n\t"
48 #define DONT_UNPACK(reg)
49
50 /** Compute the rounder 32-r or 8-r and unpacks it to mm7 */
51 #define LOAD_ROUNDER_MMX(ROUND)                 \
52      "movd      "ROUND", %%mm7         \n\t"    \
53      "punpcklwd %%mm7, %%mm7           \n\t"    \
54      "punpckldq %%mm7, %%mm7           \n\t"
55
56 #define SHIFT2_LINE(OFF, R0,R1,R2,R3)           \
57     "paddw     %%mm"#R2", %%mm"#R1"    \n\t"    \
58     "movd      (%0,%3), %%mm"#R0"      \n\t"    \
59     "pmullw    %%mm6, %%mm"#R1"        \n\t"    \
60     "punpcklbw %%mm0, %%mm"#R0"        \n\t"    \
61     "movd      (%0,%2), %%mm"#R3"      \n\t"    \
62     "psubw     %%mm"#R0", %%mm"#R1"    \n\t"    \
63     "punpcklbw %%mm0, %%mm"#R3"        \n\t"    \
64     "paddw     %%mm7, %%mm"#R1"        \n\t"    \
65     "psubw     %%mm"#R3", %%mm"#R1"    \n\t"    \
66     "psraw     %4, %%mm"#R1"           \n\t"    \
67     "movq      %%mm"#R1", "#OFF"(%1)   \n\t"    \
68     "add       %2, %0                  \n\t"
69
70 DECLARE_ALIGNED_16(const uint64_t, ff_pw_9) = 0x0009000900090009ULL;
71
72 /** Sacrifying mm6 allows to pipeline loads from src */
73 static void vc1_put_ver_16b_shift2_mmx(int16_t *dst,
74                                        const uint8_t *src, x86_reg stride,
75                                        int rnd, int64_t shift)
76 {
77     __asm__ volatile(
78         "mov       $3, %%"REG_c"           \n\t"
79         LOAD_ROUNDER_MMX("%5")
80         "movq      "MANGLE(ff_pw_9)", %%mm6 \n\t"
81         "1:                                \n\t"
82         "movd      (%0), %%mm2             \n\t"
83         "add       %2, %0                  \n\t"
84         "movd      (%0), %%mm3             \n\t"
85         "punpcklbw %%mm0, %%mm2            \n\t"
86         "punpcklbw %%mm0, %%mm3            \n\t"
87         SHIFT2_LINE(  0, 1, 2, 3, 4)
88         SHIFT2_LINE( 24, 2, 3, 4, 1)
89         SHIFT2_LINE( 48, 3, 4, 1, 2)
90         SHIFT2_LINE( 72, 4, 1, 2, 3)
91         SHIFT2_LINE( 96, 1, 2, 3, 4)
92         SHIFT2_LINE(120, 2, 3, 4, 1)
93         SHIFT2_LINE(144, 3, 4, 1, 2)
94         SHIFT2_LINE(168, 4, 1, 2, 3)
95         "sub       %6, %0                  \n\t"
96         "add       $8, %1                  \n\t"
97         "dec       %%"REG_c"               \n\t"
98         "jnz 1b                            \n\t"
99         : "+r"(src), "+r"(dst)
100         : "r"(stride), "r"(-2*stride),
101           "m"(shift), "m"(rnd), "r"(9*stride-4)
102         : "%"REG_c, "memory"
103     );
104 }
105
106 /**
107  * Data is already unpacked, so some operations can directly be made from
108  * memory.
109  */
110 static void vc1_put_hor_16b_shift2_mmx(uint8_t *dst, x86_reg stride,
111                                        const int16_t *src, int rnd)
112 {
113     int h = 8;
114
115     src -= 1;
116     rnd -= (-1+9+9-1)*1024; /* Add -1024 bias */
117     __asm__ volatile(
118         LOAD_ROUNDER_MMX("%4")
119         "movq      "MANGLE(ff_pw_128)", %%mm6\n\t"
120         "movq      "MANGLE(ff_pw_9)", %%mm5 \n\t"
121         "1:                                \n\t"
122         "movq      2*0+0(%1), %%mm1        \n\t"
123         "movq      2*0+8(%1), %%mm2        \n\t"
124         "movq      2*1+0(%1), %%mm3        \n\t"
125         "movq      2*1+8(%1), %%mm4        \n\t"
126         "paddw     2*3+0(%1), %%mm1        \n\t"
127         "paddw     2*3+8(%1), %%mm2        \n\t"
128         "paddw     2*2+0(%1), %%mm3        \n\t"
129         "paddw     2*2+8(%1), %%mm4        \n\t"
130         "pmullw    %%mm5, %%mm3            \n\t"
131         "pmullw    %%mm5, %%mm4            \n\t"
132         "psubw     %%mm1, %%mm3            \n\t"
133         "psubw     %%mm2, %%mm4            \n\t"
134         NORMALIZE_MMX("$7")
135         /* Remove bias */
136         "paddw     %%mm6, %%mm3            \n\t"
137         "paddw     %%mm6, %%mm4            \n\t"
138         TRANSFER_DO_PACK
139         "add       $24, %1                 \n\t"
140         "add       %3, %2                  \n\t"
141         "decl      %0                      \n\t"
142         "jnz 1b                            \n\t"
143         : "+r"(h), "+r" (src),  "+r" (dst)
144         : "r"(stride), "m"(rnd)
145         : "memory"
146     );
147 }
148
149
150 /**
151  * Purely vertical or horizontal 1/2 shift interpolation.
152  * Sacrify mm6 for *9 factor.
153  */
154 static void vc1_put_shift2_mmx(uint8_t *dst, const uint8_t *src,
155                                x86_reg stride, int rnd, x86_reg offset)
156 {
157     rnd = 8-rnd;
158     __asm__ volatile(
159         "mov       $8, %%"REG_c"           \n\t"
160         LOAD_ROUNDER_MMX("%5")
161         "movq      "MANGLE(ff_pw_9)", %%mm6\n\t"
162         "1:                                \n\t"
163         "movd      0(%0   ), %%mm3         \n\t"
164         "movd      4(%0   ), %%mm4         \n\t"
165         "movd      0(%0,%2), %%mm1         \n\t"
166         "movd      4(%0,%2), %%mm2         \n\t"
167         "add       %2, %0                  \n\t"
168         "punpcklbw %%mm0, %%mm3            \n\t"
169         "punpcklbw %%mm0, %%mm4            \n\t"
170         "punpcklbw %%mm0, %%mm1            \n\t"
171         "punpcklbw %%mm0, %%mm2            \n\t"
172         "paddw     %%mm1, %%mm3            \n\t"
173         "paddw     %%mm2, %%mm4            \n\t"
174         "movd      0(%0,%3), %%mm1         \n\t"
175         "movd      4(%0,%3), %%mm2         \n\t"
176         "pmullw    %%mm6, %%mm3            \n\t" /* 0,9,9,0*/
177         "pmullw    %%mm6, %%mm4            \n\t" /* 0,9,9,0*/
178         "punpcklbw %%mm0, %%mm1            \n\t"
179         "punpcklbw %%mm0, %%mm2            \n\t"
180         "psubw     %%mm1, %%mm3            \n\t" /*-1,9,9,0*/
181         "psubw     %%mm2, %%mm4            \n\t" /*-1,9,9,0*/
182         "movd      0(%0,%2), %%mm1         \n\t"
183         "movd      4(%0,%2), %%mm2         \n\t"
184         "punpcklbw %%mm0, %%mm1            \n\t"
185         "punpcklbw %%mm0, %%mm2            \n\t"
186         "psubw     %%mm1, %%mm3            \n\t" /*-1,9,9,-1*/
187         "psubw     %%mm2, %%mm4            \n\t" /*-1,9,9,-1*/
188         NORMALIZE_MMX("$4")
189         "packuswb  %%mm4, %%mm3            \n\t"
190         "movq      %%mm3, (%1)             \n\t"
191         "add       %6, %0                  \n\t"
192         "add       %4, %1                  \n\t"
193         "dec       %%"REG_c"               \n\t"
194         "jnz 1b                            \n\t"
195         : "+r"(src),  "+r"(dst)
196         : "r"(offset), "r"(-2*offset), "g"(stride), "m"(rnd),
197           "g"(stride-offset)
198         : "%"REG_c, "memory"
199     );
200 }
201
202 /**
203  * Filter coefficients made global to allow access by all 1 or 3 quarter shift
204  * interpolation functions.
205  */
206 DECLARE_ASM_CONST(16, uint64_t, ff_pw_53) = 0x0035003500350035ULL;
207 DECLARE_ASM_CONST(16, uint64_t, ff_pw_18) = 0x0012001200120012ULL;
208
209 /**
210  * Core of the 1/4 and 3/4 shift bicubic interpolation.
211  *
212  * @param UNPACK  Macro unpacking arguments from 8 to 16bits (can be empty).
213  * @param MOVQ    "movd 1" or "movq 2", if data read is already unpacked.
214  * @param A1      Address of 1st tap (beware of unpacked/packed).
215  * @param A2      Address of 2nd tap
216  * @param A3      Address of 3rd tap
217  * @param A4      Address of 4th tap
218  */
219 #define MSPEL_FILTER13_CORE(UNPACK, MOVQ, A1, A2, A3, A4)       \
220      MOVQ "*0+"A1", %%mm1       \n\t"                           \
221      MOVQ "*4+"A1", %%mm2       \n\t"                           \
222      UNPACK("%%mm1")                                            \
223      UNPACK("%%mm2")                                            \
224      "pmullw    "MANGLE(ff_pw_3)", %%mm1\n\t"                   \
225      "pmullw    "MANGLE(ff_pw_3)", %%mm2\n\t"                   \
226      MOVQ "*0+"A2", %%mm3       \n\t"                           \
227      MOVQ "*4+"A2", %%mm4       \n\t"                           \
228      UNPACK("%%mm3")                                            \
229      UNPACK("%%mm4")                                            \
230      "pmullw    %%mm6, %%mm3    \n\t" /* *18 */                 \
231      "pmullw    %%mm6, %%mm4    \n\t" /* *18 */                 \
232      "psubw     %%mm1, %%mm3    \n\t" /* 18,-3 */               \
233      "psubw     %%mm2, %%mm4    \n\t" /* 18,-3 */               \
234      MOVQ "*0+"A4", %%mm1       \n\t"                           \
235      MOVQ "*4+"A4", %%mm2       \n\t"                           \
236      UNPACK("%%mm1")                                            \
237      UNPACK("%%mm2")                                            \
238      "psllw     $2, %%mm1       \n\t" /* 4* */                  \
239      "psllw     $2, %%mm2       \n\t" /* 4* */                  \
240      "psubw     %%mm1, %%mm3    \n\t" /* -4,18,-3 */            \
241      "psubw     %%mm2, %%mm4    \n\t" /* -4,18,-3 */            \
242      MOVQ "*0+"A3", %%mm1       \n\t"                           \
243      MOVQ "*4+"A3", %%mm2       \n\t"                           \
244      UNPACK("%%mm1")                                            \
245      UNPACK("%%mm2")                                            \
246      "pmullw    %%mm5, %%mm1    \n\t" /* *53 */                 \
247      "pmullw    %%mm5, %%mm2    \n\t" /* *53 */                 \
248      "paddw     %%mm1, %%mm3    \n\t" /* 4,53,18,-3 */          \
249      "paddw     %%mm2, %%mm4    \n\t" /* 4,53,18,-3 */
250
251 /**
252  * Macro to build the vertical 16bits version of vc1_put_shift[13].
253  * Here, offset=src_stride. Parameters passed A1 to A4 must use
254  * %3 (src_stride) and %4 (3*src_stride).
255  *
256  * @param  NAME   Either 1 or 3
257  * @see MSPEL_FILTER13_CORE for information on A1->A4
258  */
259 #define MSPEL_FILTER13_VER_16B(NAME, A1, A2, A3, A4)                    \
260 static void                                                             \
261 vc1_put_ver_16b_ ## NAME ## _mmx(int16_t *dst, const uint8_t *src,      \
262                                  x86_reg src_stride,                   \
263                                  int rnd, int64_t shift)                \
264 {                                                                       \
265     int h = 8;                                                          \
266     src -= src_stride;                                                  \
267     __asm__ volatile(                                                       \
268         LOAD_ROUNDER_MMX("%5")                                          \
269         "movq      "MANGLE(ff_pw_53)", %%mm5\n\t"                       \
270         "movq      "MANGLE(ff_pw_18)", %%mm6\n\t"                       \
271         ASMALIGN(3)                                                     \
272         "1:                        \n\t"                                \
273         MSPEL_FILTER13_CORE(DO_UNPACK, "movd  1", A1, A2, A3, A4)       \
274         NORMALIZE_MMX("%6")                                             \
275         TRANSFER_DONT_PACK                                              \
276         /* Last 3 (in fact 4) bytes on the line */                      \
277         "movd      8+"A1", %%mm1   \n\t"                                \
278         DO_UNPACK("%%mm1")                                              \
279         "movq      %%mm1, %%mm3    \n\t"                                \
280         "paddw     %%mm1, %%mm1    \n\t"                                \
281         "paddw     %%mm3, %%mm1    \n\t" /* 3* */                       \
282         "movd      8+"A2", %%mm3   \n\t"                                \
283         DO_UNPACK("%%mm3")                                              \
284         "pmullw    %%mm6, %%mm3    \n\t" /* *18 */                      \
285         "psubw     %%mm1, %%mm3    \n\t" /*18,-3 */                     \
286         "movd      8+"A3", %%mm1   \n\t"                                \
287         DO_UNPACK("%%mm1")                                              \
288         "pmullw    %%mm5, %%mm1    \n\t" /* *53 */                      \
289         "paddw     %%mm1, %%mm3    \n\t" /*53,18,-3 */                  \
290         "movd      8+"A4", %%mm1   \n\t"                                \
291         DO_UNPACK("%%mm1")                                              \
292         "psllw     $2, %%mm1       \n\t" /* 4* */                       \
293         "psubw     %%mm1, %%mm3    \n\t"                                \
294         "paddw     %%mm7, %%mm3    \n\t"                                \
295         "psraw     %6, %%mm3       \n\t"                                \
296         "movq      %%mm3, 16(%2)   \n\t"                                \
297         "add       %3, %1          \n\t"                                \
298         "add       $24, %2         \n\t"                                \
299         "decl      %0              \n\t"                                \
300         "jnz 1b                    \n\t"                                \
301         : "+r"(h), "+r" (src),  "+r" (dst)                              \
302         : "r"(src_stride), "r"(3*src_stride),                           \
303           "m"(rnd), "m"(shift)                                          \
304         : "memory"                                                      \
305     );                                                                  \
306 }
307
308 /**
309  * Macro to build the horizontal 16bits version of vc1_put_shift[13].
310  * Here, offset=16bits, so parameters passed A1 to A4 should be simple.
311  *
312  * @param  NAME   Either 1 or 3
313  * @see MSPEL_FILTER13_CORE for information on A1->A4
314  */
315 #define MSPEL_FILTER13_HOR_16B(NAME, A1, A2, A3, A4)                    \
316 static void                                                             \
317 vc1_put_hor_16b_ ## NAME ## _mmx(uint8_t *dst, x86_reg stride,         \
318                                  const int16_t *src, int rnd)           \
319 {                                                                       \
320     int h = 8;                                                          \
321     src -= 1;                                                           \
322     rnd -= (-4+58+13-3)*256; /* Add -256 bias */                        \
323     __asm__ volatile(                                                       \
324         LOAD_ROUNDER_MMX("%4")                                          \
325         "movq      "MANGLE(ff_pw_18)", %%mm6   \n\t"                    \
326         "movq      "MANGLE(ff_pw_53)", %%mm5   \n\t"                    \
327         ASMALIGN(3)                                                     \
328         "1:                        \n\t"                                \
329         MSPEL_FILTER13_CORE(DONT_UNPACK, "movq 2", A1, A2, A3, A4)      \
330         NORMALIZE_MMX("$7")                                             \
331         /* Remove bias */                                               \
332         "paddw     "MANGLE(ff_pw_128)", %%mm3  \n\t"                    \
333         "paddw     "MANGLE(ff_pw_128)", %%mm4  \n\t"                    \
334         TRANSFER_DO_PACK                                                \
335         "add       $24, %1         \n\t"                                \
336         "add       %3, %2          \n\t"                                \
337         "decl      %0              \n\t"                                \
338         "jnz 1b                    \n\t"                                \
339         : "+r"(h), "+r" (src),  "+r" (dst)                              \
340         : "r"(stride), "m"(rnd)                                         \
341         : "memory"                                                      \
342     );                                                                  \
343 }
344
345 /**
346  * Macro to build the 8bits, any direction, version of vc1_put_shift[13].
347  * Here, offset=src_stride. Parameters passed A1 to A4 must use
348  * %3 (offset) and %4 (3*offset).
349  *
350  * @param  NAME   Either 1 or 3
351  * @see MSPEL_FILTER13_CORE for information on A1->A4
352  */
353 #define MSPEL_FILTER13_8B(NAME, A1, A2, A3, A4)                         \
354 static void                                                             \
355 vc1_put_## NAME ## _mmx(uint8_t *dst, const uint8_t *src,               \
356                         x86_reg stride, int rnd, x86_reg offset)      \
357 {                                                                       \
358     int h = 8;                                                          \
359     src -= offset;                                                      \
360     rnd = 32-rnd;                                                       \
361     __asm__ volatile (                                                      \
362         LOAD_ROUNDER_MMX("%6")                                          \
363         "movq      "MANGLE(ff_pw_53)", %%mm5       \n\t"                \
364         "movq      "MANGLE(ff_pw_18)", %%mm6       \n\t"                \
365         ASMALIGN(3)                                                     \
366         "1:                        \n\t"                                \
367         MSPEL_FILTER13_CORE(DO_UNPACK, "movd   1", A1, A2, A3, A4)      \
368         NORMALIZE_MMX("$6")                                             \
369         TRANSFER_DO_PACK                                                \
370         "add       %5, %1          \n\t"                                \
371         "add       %5, %2          \n\t"                                \
372         "decl      %0              \n\t"                                \
373         "jnz 1b                    \n\t"                                \
374         : "+r"(h), "+r" (src),  "+r" (dst)                              \
375         : "r"(offset), "r"(3*offset), "g"(stride), "m"(rnd)             \
376         : "memory"                                                      \
377     );                                                                  \
378 }
379
380 /** 1/4 shift bicubic interpolation */
381 MSPEL_FILTER13_8B     (shift1, "0(%1,%4  )", "0(%1,%3,2)", "0(%1,%3  )", "0(%1     )")
382 MSPEL_FILTER13_VER_16B(shift1, "0(%1,%4  )", "0(%1,%3,2)", "0(%1,%3  )", "0(%1     )")
383 MSPEL_FILTER13_HOR_16B(shift1, "2*3(%1)", "2*2(%1)", "2*1(%1)", "2*0(%1)")
384
385 /** 3/4 shift bicubic interpolation */
386 MSPEL_FILTER13_8B     (shift3, "0(%1     )", "0(%1,%3  )", "0(%1,%3,2)", "0(%1,%4  )")
387 MSPEL_FILTER13_VER_16B(shift3, "0(%1     )", "0(%1,%3  )", "0(%1,%3,2)", "0(%1,%4  )")
388 MSPEL_FILTER13_HOR_16B(shift3, "2*0(%1)", "2*1(%1)", "2*2(%1)", "2*3(%1)")
389
390 typedef void (*vc1_mspel_mc_filter_ver_16bits)(int16_t *dst, const uint8_t *src, x86_reg src_stride, int rnd, int64_t shift);
391 typedef void (*vc1_mspel_mc_filter_hor_16bits)(uint8_t *dst, x86_reg dst_stride, const int16_t *src, int rnd);
392 typedef void (*vc1_mspel_mc_filter_8bits)(uint8_t *dst, const uint8_t *src, x86_reg stride, int rnd, x86_reg offset);
393
394 /**
395  * Interpolates fractional pel values by applying proper vertical then
396  * horizontal filter.
397  *
398  * @param  dst     Destination buffer for interpolated pels.
399  * @param  src     Source buffer.
400  * @param  stride  Stride for both src and dst buffers.
401  * @param  hmode   Horizontal filter (expressed in quarter pixels shift).
402  * @param  hmode   Vertical filter.
403  * @param  rnd     Rounding bias.
404  */
405 static void vc1_mspel_mc(uint8_t *dst, const uint8_t *src, int stride,
406                          int hmode, int vmode, int rnd)
407 {
408     static const vc1_mspel_mc_filter_ver_16bits vc1_put_shift_ver_16bits[] =
409          { NULL, vc1_put_ver_16b_shift1_mmx, vc1_put_ver_16b_shift2_mmx, vc1_put_ver_16b_shift3_mmx };
410     static const vc1_mspel_mc_filter_hor_16bits vc1_put_shift_hor_16bits[] =
411          { NULL, vc1_put_hor_16b_shift1_mmx, vc1_put_hor_16b_shift2_mmx, vc1_put_hor_16b_shift3_mmx };
412     static const vc1_mspel_mc_filter_8bits vc1_put_shift_8bits[] =
413          { NULL, vc1_put_shift1_mmx, vc1_put_shift2_mmx, vc1_put_shift3_mmx };
414
415     __asm__ volatile(
416         "pxor %%mm0, %%mm0         \n\t"
417         ::: "memory"
418     );
419
420     if (vmode) { /* Vertical filter to apply */
421         if (hmode) { /* Horizontal filter to apply, output to tmp */
422             static const int shift_value[] = { 0, 5, 1, 5 };
423             int              shift = (shift_value[hmode]+shift_value[vmode])>>1;
424             int              r;
425             DECLARE_ALIGNED_16(int16_t, tmp[12*8]);
426
427             r = (1<<(shift-1)) + rnd-1;
428             vc1_put_shift_ver_16bits[vmode](tmp, src-1, stride, r, shift);
429
430             vc1_put_shift_hor_16bits[hmode](dst, stride, tmp+1, 64-rnd);
431             return;
432         }
433         else { /* No horizontal filter, output 8 lines to dst */
434             vc1_put_shift_8bits[vmode](dst, src, stride, 1-rnd, stride);
435             return;
436         }
437     }
438
439     /* Horizontal mode with no vertical mode */
440     vc1_put_shift_8bits[hmode](dst, src, stride, rnd, 1);
441 }
442
443 void ff_put_vc1_mspel_mc00_mmx(uint8_t *dst, const uint8_t *src, int stride, int rnd);
444
445 /** Macro to ease bicubic filter interpolation functions declarations */
446 #define DECLARE_FUNCTION(a, b)                                          \
447 static void put_vc1_mspel_mc ## a ## b ## _mmx(uint8_t *dst, const uint8_t *src, int stride, int rnd) { \
448      vc1_mspel_mc(dst, src, stride, a, b, rnd);                         \
449 }
450
451 DECLARE_FUNCTION(0, 1)
452 DECLARE_FUNCTION(0, 2)
453 DECLARE_FUNCTION(0, 3)
454
455 DECLARE_FUNCTION(1, 0)
456 DECLARE_FUNCTION(1, 1)
457 DECLARE_FUNCTION(1, 2)
458 DECLARE_FUNCTION(1, 3)
459
460 DECLARE_FUNCTION(2, 0)
461 DECLARE_FUNCTION(2, 1)
462 DECLARE_FUNCTION(2, 2)
463 DECLARE_FUNCTION(2, 3)
464
465 DECLARE_FUNCTION(3, 0)
466 DECLARE_FUNCTION(3, 1)
467 DECLARE_FUNCTION(3, 2)
468 DECLARE_FUNCTION(3, 3)
469
470 void ff_vc1dsp_init_mmx(DSPContext* dsp, AVCodecContext *avctx) {
471     dsp->put_vc1_mspel_pixels_tab[ 0] = ff_put_vc1_mspel_mc00_mmx;
472     dsp->put_vc1_mspel_pixels_tab[ 4] = put_vc1_mspel_mc01_mmx;
473     dsp->put_vc1_mspel_pixels_tab[ 8] = put_vc1_mspel_mc02_mmx;
474     dsp->put_vc1_mspel_pixels_tab[12] = put_vc1_mspel_mc03_mmx;
475
476     dsp->put_vc1_mspel_pixels_tab[ 1] = put_vc1_mspel_mc10_mmx;
477     dsp->put_vc1_mspel_pixels_tab[ 5] = put_vc1_mspel_mc11_mmx;
478     dsp->put_vc1_mspel_pixels_tab[ 9] = put_vc1_mspel_mc12_mmx;
479     dsp->put_vc1_mspel_pixels_tab[13] = put_vc1_mspel_mc13_mmx;
480
481     dsp->put_vc1_mspel_pixels_tab[ 2] = put_vc1_mspel_mc20_mmx;
482     dsp->put_vc1_mspel_pixels_tab[ 6] = put_vc1_mspel_mc21_mmx;
483     dsp->put_vc1_mspel_pixels_tab[10] = put_vc1_mspel_mc22_mmx;
484     dsp->put_vc1_mspel_pixels_tab[14] = put_vc1_mspel_mc23_mmx;
485
486     dsp->put_vc1_mspel_pixels_tab[ 3] = put_vc1_mspel_mc30_mmx;
487     dsp->put_vc1_mspel_pixels_tab[ 7] = put_vc1_mspel_mc31_mmx;
488     dsp->put_vc1_mspel_pixels_tab[11] = put_vc1_mspel_mc32_mmx;
489     dsp->put_vc1_mspel_pixels_tab[15] = put_vc1_mspel_mc33_mmx;
490 }