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Remove even condition on pad and crop.
[ffmpeg-lucabe.git] / libavcodec / x86 / vc1dsp_mmx.c
blob2c98b37b97cb55c10ad639090aee70d08a8c999e
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 #define OP_PUT(S,D)
32 #define OP_AVG(S,D) "pavgb " #S ", " #D " \n\t"
33
34 /** Add rounder from mm7 to mm3 and pack result at destination */
35 #define NORMALIZE_MMX(SHIFT) \
36 "paddw %%mm7, %%mm3 \n\t" /* +bias-r */ \
37 "paddw %%mm7, %%mm4 \n\t" /* +bias-r */ \
38 "psraw "SHIFT", %%mm3 \n\t" \
39 "psraw "SHIFT", %%mm4 \n\t"
40
41 #define TRANSFER_DO_PACK(OP) \
42 "packuswb %%mm4, %%mm3 \n\t" \
43 OP((%2), %%mm3) \
44 "movq %%mm3, (%2) \n\t"
45
46 #define TRANSFER_DONT_PACK(OP) \
47 OP(0(%2), %%mm3) \
48 OP(8(%2), %%mm4) \
49 "movq %%mm3, 0(%2) \n\t" \
50 "movq %%mm4, 8(%2) \n\t"
51
52 /** @see MSPEL_FILTER13_CORE for use as UNPACK macro */
53 #define DO_UNPACK(reg) "punpcklbw %%mm0, " reg "\n\t"
54 #define DONT_UNPACK(reg)
55
56 /** Compute the rounder 32-r or 8-r and unpacks it to mm7 */
57 #define LOAD_ROUNDER_MMX(ROUND) \
58 "movd "ROUND", %%mm7 \n\t" \
59 "punpcklwd %%mm7, %%mm7 \n\t" \
60 "punpckldq %%mm7, %%mm7 \n\t"
61
62 #define SHIFT2_LINE(OFF, R0,R1,R2,R3) \
63 "paddw %%mm"#R2", %%mm"#R1" \n\t" \
64 "movd (%0,%3), %%mm"#R0" \n\t" \
65 "pmullw %%mm6, %%mm"#R1" \n\t" \
66 "punpcklbw %%mm0, %%mm"#R0" \n\t" \
67 "movd (%0,%2), %%mm"#R3" \n\t" \
68 "psubw %%mm"#R0", %%mm"#R1" \n\t" \
69 "punpcklbw %%mm0, %%mm"#R3" \n\t" \
70 "paddw %%mm7, %%mm"#R1" \n\t" \
71 "psubw %%mm"#R3", %%mm"#R1" \n\t" \
72 "psraw %4, %%mm"#R1" \n\t" \
73 "movq %%mm"#R1", "#OFF"(%1) \n\t" \
74 "add %2, %0 \n\t"
75
76 DECLARE_ALIGNED_16(const uint64_t, ff_pw_9) = 0x0009000900090009ULL;
77
78 /** Sacrifying mm6 allows to pipeline loads from src */
79 static void vc1_put_ver_16b_shift2_mmx(int16_t *dst,
80 const uint8_t *src, x86_reg stride,
81 int rnd, int64_t shift)
82 {
83 __asm__ volatile(
84 "mov $3, %%"REG_c" \n\t"
85 LOAD_ROUNDER_MMX("%5")
86 "movq "MANGLE(ff_pw_9)", %%mm6 \n\t"
87 "1: \n\t"
88 "movd (%0), %%mm2 \n\t"
89 "add %2, %0 \n\t"
90 "movd (%0), %%mm3 \n\t"
91 "punpcklbw %%mm0, %%mm2 \n\t"
92 "punpcklbw %%mm0, %%mm3 \n\t"
93 SHIFT2_LINE( 0, 1, 2, 3, 4)
94 SHIFT2_LINE( 24, 2, 3, 4, 1)
95 SHIFT2_LINE( 48, 3, 4, 1, 2)
96 SHIFT2_LINE( 72, 4, 1, 2, 3)
97 SHIFT2_LINE( 96, 1, 2, 3, 4)
98 SHIFT2_LINE(120, 2, 3, 4, 1)
99 SHIFT2_LINE(144, 3, 4, 1, 2)
100 SHIFT2_LINE(168, 4, 1, 2, 3)
101 "sub %6, %0 \n\t"
102 "add $8, %1 \n\t"
103 "dec %%"REG_c" \n\t"
104 "jnz 1b \n\t"
105 : "+r"(src), "+r"(dst)
106 : "r"(stride), "r"(-2*stride),
107 "m"(shift), "m"(rnd), "r"(9*stride-4)
108 : "%"REG_c, "memory"
109 );
110 }
111
112 /**
113 * Data is already unpacked, so some operations can directly be made from
114 * memory.
115 */
116 #define VC1_HOR_16b_SHIFT2(OP, OPNAME)\
117 static void OPNAME ## vc1_hor_16b_shift2_mmx(uint8_t *dst, x86_reg stride,\
118 const int16_t *src, int rnd)\
119 {\
120 int h = 8;\
121 \
122 src -= 1;\
123 rnd -= (-1+9+9-1)*1024; /* Add -1024 bias */\
124 __asm__ volatile(\
125 LOAD_ROUNDER_MMX("%4")\
126 "movq "MANGLE(ff_pw_128)", %%mm6\n\t"\
127 "movq "MANGLE(ff_pw_9)", %%mm5 \n\t"\
128 "1: \n\t"\
129 "movq 2*0+0(%1), %%mm1 \n\t"\
130 "movq 2*0+8(%1), %%mm2 \n\t"\
131 "movq 2*1+0(%1), %%mm3 \n\t"\
132 "movq 2*1+8(%1), %%mm4 \n\t"\
133 "paddw 2*3+0(%1), %%mm1 \n\t"\
134 "paddw 2*3+8(%1), %%mm2 \n\t"\
135 "paddw 2*2+0(%1), %%mm3 \n\t"\
136 "paddw 2*2+8(%1), %%mm4 \n\t"\
137 "pmullw %%mm5, %%mm3 \n\t"\
138 "pmullw %%mm5, %%mm4 \n\t"\
139 "psubw %%mm1, %%mm3 \n\t"\
140 "psubw %%mm2, %%mm4 \n\t"\
141 NORMALIZE_MMX("$7")\
142 /* Remove bias */\
143 "paddw %%mm6, %%mm3 \n\t"\
144 "paddw %%mm6, %%mm4 \n\t"\
145 TRANSFER_DO_PACK(OP)\
146 "add $24, %1 \n\t"\
147 "add %3, %2 \n\t"\
148 "decl %0 \n\t"\
149 "jnz 1b \n\t"\
150 : "+r"(h), "+r" (src), "+r" (dst)\
151 : "r"(stride), "m"(rnd)\
152 : "memory"\
153 );\
154 }
155
156 VC1_HOR_16b_SHIFT2(OP_PUT, put_)
157 VC1_HOR_16b_SHIFT2(OP_AVG, avg_)
158
159
160 /**
161 * Purely vertical or horizontal 1/2 shift interpolation.
162 * Sacrify mm6 for *9 factor.
163 */
164 #define VC1_SHIFT2(OP, OPNAME)\
165 static void OPNAME ## vc1_shift2_mmx(uint8_t *dst, const uint8_t *src,\
166 x86_reg stride, int rnd, x86_reg offset)\
167 {\
168 rnd = 8-rnd;\
169 __asm__ volatile(\
170 "mov $8, %%"REG_c" \n\t"\
171 LOAD_ROUNDER_MMX("%5")\
172 "movq "MANGLE(ff_pw_9)", %%mm6\n\t"\
173 "1: \n\t"\
174 "movd 0(%0 ), %%mm3 \n\t"\
175 "movd 4(%0 ), %%mm4 \n\t"\
176 "movd 0(%0,%2), %%mm1 \n\t"\
177 "movd 4(%0,%2), %%mm2 \n\t"\
178 "add %2, %0 \n\t"\
179 "punpcklbw %%mm0, %%mm3 \n\t"\
180 "punpcklbw %%mm0, %%mm4 \n\t"\
181 "punpcklbw %%mm0, %%mm1 \n\t"\
182 "punpcklbw %%mm0, %%mm2 \n\t"\
183 "paddw %%mm1, %%mm3 \n\t"\
184 "paddw %%mm2, %%mm4 \n\t"\
185 "movd 0(%0,%3), %%mm1 \n\t"\
186 "movd 4(%0,%3), %%mm2 \n\t"\
187 "pmullw %%mm6, %%mm3 \n\t" /* 0,9,9,0*/\
188 "pmullw %%mm6, %%mm4 \n\t" /* 0,9,9,0*/\
189 "punpcklbw %%mm0, %%mm1 \n\t"\
190 "punpcklbw %%mm0, %%mm2 \n\t"\
191 "psubw %%mm1, %%mm3 \n\t" /*-1,9,9,0*/\
192 "psubw %%mm2, %%mm4 \n\t" /*-1,9,9,0*/\
193 "movd 0(%0,%2), %%mm1 \n\t"\
194 "movd 4(%0,%2), %%mm2 \n\t"\
195 "punpcklbw %%mm0, %%mm1 \n\t"\
196 "punpcklbw %%mm0, %%mm2 \n\t"\
197 "psubw %%mm1, %%mm3 \n\t" /*-1,9,9,-1*/\
198 "psubw %%mm2, %%mm4 \n\t" /*-1,9,9,-1*/\
199 NORMALIZE_MMX("$4")\
200 "packuswb %%mm4, %%mm3 \n\t"\
201 OP((%1), %%mm3)\
202 "movq %%mm3, (%1) \n\t"\
203 "add %6, %0 \n\t"\
204 "add %4, %1 \n\t"\
205 "dec %%"REG_c" \n\t"\
206 "jnz 1b \n\t"\
207 : "+r"(src), "+r"(dst)\
208 : "r"(offset), "r"(-2*offset), "g"(stride), "m"(rnd),\
209 "g"(stride-offset)\
210 : "%"REG_c, "memory"\
211 );\
212 }
213
214 VC1_SHIFT2(OP_PUT, put_)
215 VC1_SHIFT2(OP_AVG, avg_)
216
217 /**
218 * Filter coefficients made global to allow access by all 1 or 3 quarter shift
219 * interpolation functions.
220 */
221 DECLARE_ASM_CONST(16, uint64_t, ff_pw_53) = 0x0035003500350035ULL;
222 DECLARE_ASM_CONST(16, uint64_t, ff_pw_18) = 0x0012001200120012ULL;
223
224 /**
225 * Core of the 1/4 and 3/4 shift bicubic interpolation.
226 *
227 * @param UNPACK Macro unpacking arguments from 8 to 16bits (can be empty).
228 * @param MOVQ "movd 1" or "movq 2", if data read is already unpacked.
229 * @param A1 Address of 1st tap (beware of unpacked/packed).
230 * @param A2 Address of 2nd tap
231 * @param A3 Address of 3rd tap
232 * @param A4 Address of 4th tap
233 */
234 #define MSPEL_FILTER13_CORE(UNPACK, MOVQ, A1, A2, A3, A4) \
235 MOVQ "*0+"A1", %%mm1 \n\t" \
236 MOVQ "*4+"A1", %%mm2 \n\t" \
237 UNPACK("%%mm1") \
238 UNPACK("%%mm2") \
239 "pmullw "MANGLE(ff_pw_3)", %%mm1\n\t" \
240 "pmullw "MANGLE(ff_pw_3)", %%mm2\n\t" \
241 MOVQ "*0+"A2", %%mm3 \n\t" \
242 MOVQ "*4+"A2", %%mm4 \n\t" \
243 UNPACK("%%mm3") \
244 UNPACK("%%mm4") \
245 "pmullw %%mm6, %%mm3 \n\t" /* *18 */ \
246 "pmullw %%mm6, %%mm4 \n\t" /* *18 */ \
247 "psubw %%mm1, %%mm3 \n\t" /* 18,-3 */ \
248 "psubw %%mm2, %%mm4 \n\t" /* 18,-3 */ \
249 MOVQ "*0+"A4", %%mm1 \n\t" \
250 MOVQ "*4+"A4", %%mm2 \n\t" \
251 UNPACK("%%mm1") \
252 UNPACK("%%mm2") \
253 "psllw $2, %%mm1 \n\t" /* 4* */ \
254 "psllw $2, %%mm2 \n\t" /* 4* */ \
255 "psubw %%mm1, %%mm3 \n\t" /* -4,18,-3 */ \
256 "psubw %%mm2, %%mm4 \n\t" /* -4,18,-3 */ \
257 MOVQ "*0+"A3", %%mm1 \n\t" \
258 MOVQ "*4+"A3", %%mm2 \n\t" \
259 UNPACK("%%mm1") \
260 UNPACK("%%mm2") \
261 "pmullw %%mm5, %%mm1 \n\t" /* *53 */ \
262 "pmullw %%mm5, %%mm2 \n\t" /* *53 */ \
263 "paddw %%mm1, %%mm3 \n\t" /* 4,53,18,-3 */ \
264 "paddw %%mm2, %%mm4 \n\t" /* 4,53,18,-3 */
265
266 /**
267 * Macro to build the vertical 16bits version of vc1_put_shift[13].
268 * Here, offset=src_stride. Parameters passed A1 to A4 must use
269 * %3 (src_stride) and %4 (3*src_stride).
270 *
271 * @param NAME Either 1 or 3
272 * @see MSPEL_FILTER13_CORE for information on A1->A4
273 */
274 #define MSPEL_FILTER13_VER_16B(NAME, A1, A2, A3, A4) \
275 static void \
276 vc1_put_ver_16b_ ## NAME ## _mmx(int16_t *dst, const uint8_t *src, \
277 x86_reg src_stride, \
278 int rnd, int64_t shift) \
279 { \
280 int h = 8; \
281 src -= src_stride; \
282 __asm__ volatile( \
283 LOAD_ROUNDER_MMX("%5") \
284 "movq "MANGLE(ff_pw_53)", %%mm5\n\t" \
285 "movq "MANGLE(ff_pw_18)", %%mm6\n\t" \
286 ASMALIGN(3) \
287 "1: \n\t" \
288 MSPEL_FILTER13_CORE(DO_UNPACK, "movd 1", A1, A2, A3, A4) \
289 NORMALIZE_MMX("%6") \
290 TRANSFER_DONT_PACK(OP_PUT) \
291 /* Last 3 (in fact 4) bytes on the line */ \
292 "movd 8+"A1", %%mm1 \n\t" \
293 DO_UNPACK("%%mm1") \
294 "movq %%mm1, %%mm3 \n\t" \
295 "paddw %%mm1, %%mm1 \n\t" \
296 "paddw %%mm3, %%mm1 \n\t" /* 3* */ \
297 "movd 8+"A2", %%mm3 \n\t" \
298 DO_UNPACK("%%mm3") \
299 "pmullw %%mm6, %%mm3 \n\t" /* *18 */ \
300 "psubw %%mm1, %%mm3 \n\t" /*18,-3 */ \
301 "movd 8+"A3", %%mm1 \n\t" \
302 DO_UNPACK("%%mm1") \
303 "pmullw %%mm5, %%mm1 \n\t" /* *53 */ \
304 "paddw %%mm1, %%mm3 \n\t" /*53,18,-3 */ \
305 "movd 8+"A4", %%mm1 \n\t" \
306 DO_UNPACK("%%mm1") \
307 "psllw $2, %%mm1 \n\t" /* 4* */ \
308 "psubw %%mm1, %%mm3 \n\t" \
309 "paddw %%mm7, %%mm3 \n\t" \
310 "psraw %6, %%mm3 \n\t" \
311 "movq %%mm3, 16(%2) \n\t" \
312 "add %3, %1 \n\t" \
313 "add $24, %2 \n\t" \
314 "decl %0 \n\t" \
315 "jnz 1b \n\t" \
316 : "+r"(h), "+r" (src), "+r" (dst) \
317 : "r"(src_stride), "r"(3*src_stride), \
318 "m"(rnd), "m"(shift) \
319 : "memory" \
320 ); \
321 }
322
323 /**
324 * Macro to build the horizontal 16bits version of vc1_put_shift[13].
325 * Here, offset=16bits, so parameters passed A1 to A4 should be simple.
326 *
327 * @param NAME Either 1 or 3
328 * @see MSPEL_FILTER13_CORE for information on A1->A4
329 */
330 #define MSPEL_FILTER13_HOR_16B(NAME, A1, A2, A3, A4, OP, OPNAME) \
331 static void \
332 OPNAME ## vc1_hor_16b_ ## NAME ## _mmx(uint8_t *dst, x86_reg stride, \
333 const int16_t *src, int rnd) \
334 { \
335 int h = 8; \
336 src -= 1; \
337 rnd -= (-4+58+13-3)*256; /* Add -256 bias */ \
338 __asm__ volatile( \
339 LOAD_ROUNDER_MMX("%4") \
340 "movq "MANGLE(ff_pw_18)", %%mm6 \n\t" \
341 "movq "MANGLE(ff_pw_53)", %%mm5 \n\t" \
342 ASMALIGN(3) \
343 "1: \n\t" \
344 MSPEL_FILTER13_CORE(DONT_UNPACK, "movq 2", A1, A2, A3, A4) \
345 NORMALIZE_MMX("$7") \
346 /* Remove bias */ \
347 "paddw "MANGLE(ff_pw_128)", %%mm3 \n\t" \
348 "paddw "MANGLE(ff_pw_128)", %%mm4 \n\t" \
349 TRANSFER_DO_PACK(OP) \
350 "add $24, %1 \n\t" \
351 "add %3, %2 \n\t" \
352 "decl %0 \n\t" \
353 "jnz 1b \n\t" \
354 : "+r"(h), "+r" (src), "+r" (dst) \
355 : "r"(stride), "m"(rnd) \
356 : "memory" \
357 ); \
358 }
359
360 /**
361 * Macro to build the 8bits, any direction, version of vc1_put_shift[13].
362 * Here, offset=src_stride. Parameters passed A1 to A4 must use
363 * %3 (offset) and %4 (3*offset).
364 *
365 * @param NAME Either 1 or 3
366 * @see MSPEL_FILTER13_CORE for information on A1->A4
367 */
368 #define MSPEL_FILTER13_8B(NAME, A1, A2, A3, A4, OP, OPNAME) \
369 static void \
370 OPNAME ## vc1_## NAME ## _mmx(uint8_t *dst, const uint8_t *src, \
371 x86_reg stride, int rnd, x86_reg offset) \
372 { \
373 int h = 8; \
374 src -= offset; \
375 rnd = 32-rnd; \
376 __asm__ volatile ( \
377 LOAD_ROUNDER_MMX("%6") \
378 "movq "MANGLE(ff_pw_53)", %%mm5 \n\t" \
379 "movq "MANGLE(ff_pw_18)", %%mm6 \n\t" \
380 ASMALIGN(3) \
381 "1: \n\t" \
382 MSPEL_FILTER13_CORE(DO_UNPACK, "movd 1", A1, A2, A3, A4) \
383 NORMALIZE_MMX("$6") \
384 TRANSFER_DO_PACK(OP) \
385 "add %5, %1 \n\t" \
386 "add %5, %2 \n\t" \
387 "decl %0 \n\t" \
388 "jnz 1b \n\t" \
389 : "+r"(h), "+r" (src), "+r" (dst) \
390 : "r"(offset), "r"(3*offset), "g"(stride), "m"(rnd) \
391 : "memory" \
392 ); \
393 }
394
395 /** 1/4 shift bicubic interpolation */
396 MSPEL_FILTER13_8B (shift1, "0(%1,%4 )", "0(%1,%3,2)", "0(%1,%3 )", "0(%1 )", OP_PUT, put_)
397 MSPEL_FILTER13_8B (shift1, "0(%1,%4 )", "0(%1,%3,2)", "0(%1,%3 )", "0(%1 )", OP_AVG, avg_)
398 MSPEL_FILTER13_VER_16B(shift1, "0(%1,%4 )", "0(%1,%3,2)", "0(%1,%3 )", "0(%1 )")
399 MSPEL_FILTER13_HOR_16B(shift1, "2*3(%1)", "2*2(%1)", "2*1(%1)", "2*0(%1)", OP_PUT, put_)
400 MSPEL_FILTER13_HOR_16B(shift1, "2*3(%1)", "2*2(%1)", "2*1(%1)", "2*0(%1)", OP_AVG, avg_)
401
402 /** 3/4 shift bicubic interpolation */
403 MSPEL_FILTER13_8B (shift3, "0(%1 )", "0(%1,%3 )", "0(%1,%3,2)", "0(%1,%4 )", OP_PUT, put_)
404 MSPEL_FILTER13_8B (shift3, "0(%1 )", "0(%1,%3 )", "0(%1,%3,2)", "0(%1,%4 )", OP_AVG, avg_)
405 MSPEL_FILTER13_VER_16B(shift3, "0(%1 )", "0(%1,%3 )", "0(%1,%3,2)", "0(%1,%4 )")
406 MSPEL_FILTER13_HOR_16B(shift3, "2*0(%1)", "2*1(%1)", "2*2(%1)", "2*3(%1)", OP_PUT, put_)
407 MSPEL_FILTER13_HOR_16B(shift3, "2*0(%1)", "2*1(%1)", "2*2(%1)", "2*3(%1)", OP_AVG, avg_)
408
409 typedef void (*vc1_mspel_mc_filter_ver_16bits)(int16_t *dst, const uint8_t *src, x86_reg src_stride, int rnd, int64_t shift);
410 typedef void (*vc1_mspel_mc_filter_hor_16bits)(uint8_t *dst, x86_reg dst_stride, const int16_t *src, int rnd);
411 typedef void (*vc1_mspel_mc_filter_8bits)(uint8_t *dst, const uint8_t *src, x86_reg stride, int rnd, x86_reg offset);
412
413 /**
414 * Interpolates fractional pel values by applying proper vertical then
415 * horizontal filter.
416 *
417 * @param dst Destination buffer for interpolated pels.
418 * @param src Source buffer.
419 * @param stride Stride for both src and dst buffers.
420 * @param hmode Horizontal filter (expressed in quarter pixels shift).
421 * @param hmode Vertical filter.
422 * @param rnd Rounding bias.
423 */
424 #define VC1_MSPEL_MC(OP)\
425 static void OP ## vc1_mspel_mc(uint8_t *dst, const uint8_t *src, int stride,\
426 int hmode, int vmode, int rnd)\
427 {\
428 static const vc1_mspel_mc_filter_ver_16bits vc1_put_shift_ver_16bits[] =\
429 { NULL, vc1_put_ver_16b_shift1_mmx, vc1_put_ver_16b_shift2_mmx, vc1_put_ver_16b_shift3_mmx };\
430 static const vc1_mspel_mc_filter_hor_16bits vc1_put_shift_hor_16bits[] =\
431 { NULL, OP ## vc1_hor_16b_shift1_mmx, OP ## vc1_hor_16b_shift2_mmx, OP ## vc1_hor_16b_shift3_mmx };\
432 static const vc1_mspel_mc_filter_8bits vc1_put_shift_8bits[] =\
433 { NULL, OP ## vc1_shift1_mmx, OP ## vc1_shift2_mmx, OP ## vc1_shift3_mmx };\
434 \
435 __asm__ volatile(\
436 "pxor %%mm0, %%mm0 \n\t"\
437 ::: "memory"\
438 );\
439 \
440 if (vmode) { /* Vertical filter to apply */\
441 if (hmode) { /* Horizontal filter to apply, output to tmp */\
442 static const int shift_value[] = { 0, 5, 1, 5 };\
443 int shift = (shift_value[hmode]+shift_value[vmode])>>1;\
444 int r;\
445 DECLARE_ALIGNED_16(int16_t, tmp[12*8]);\
446 \
447 r = (1<<(shift-1)) + rnd-1;\
448 vc1_put_shift_ver_16bits[vmode](tmp, src-1, stride, r, shift);\
449 \
450 vc1_put_shift_hor_16bits[hmode](dst, stride, tmp+1, 64-rnd);\
451 return;\
452 }\
453 else { /* No horizontal filter, output 8 lines to dst */\
454 vc1_put_shift_8bits[vmode](dst, src, stride, 1-rnd, stride);\
455 return;\
456 }\
457 }\
458 \
459 /* Horizontal mode with no vertical mode */\
460 vc1_put_shift_8bits[hmode](dst, src, stride, rnd, 1);\
461 }
462
463 VC1_MSPEL_MC(put_)
464 VC1_MSPEL_MC(avg_)
465
466 void ff_put_vc1_mspel_mc00_mmx(uint8_t *dst, const uint8_t *src, int stride, int rnd);
467 void ff_avg_vc1_mspel_mc00_mmx2(uint8_t *dst, const uint8_t *src, int stride, int rnd);
468
469 /** Macro to ease bicubic filter interpolation functions declarations */
470 #define DECLARE_FUNCTION(a, b) \
471 static void put_vc1_mspel_mc ## a ## b ## _mmx(uint8_t *dst, const uint8_t *src, int stride, int rnd) { \
472 put_vc1_mspel_mc(dst, src, stride, a, b, rnd); \
473 }\
474 static void avg_vc1_mspel_mc ## a ## b ## _mmx2(uint8_t *dst, const uint8_t *src, int stride, int rnd) { \
475 avg_vc1_mspel_mc(dst, src, stride, a, b, rnd); \
476 }
477
478 DECLARE_FUNCTION(0, 1)
479 DECLARE_FUNCTION(0, 2)
480 DECLARE_FUNCTION(0, 3)
481
482 DECLARE_FUNCTION(1, 0)
483 DECLARE_FUNCTION(1, 1)
484 DECLARE_FUNCTION(1, 2)
485 DECLARE_FUNCTION(1, 3)
486
487 DECLARE_FUNCTION(2, 0)
488 DECLARE_FUNCTION(2, 1)
489 DECLARE_FUNCTION(2, 2)
490 DECLARE_FUNCTION(2, 3)
491
492 DECLARE_FUNCTION(3, 0)
493 DECLARE_FUNCTION(3, 1)
494 DECLARE_FUNCTION(3, 2)
495 DECLARE_FUNCTION(3, 3)
496
497 void ff_vc1dsp_init_mmx(DSPContext* dsp, AVCodecContext *avctx) {
498 mm_flags = mm_support();
499
500 dsp->put_vc1_mspel_pixels_tab[ 0] = ff_put_vc1_mspel_mc00_mmx;
501 dsp->put_vc1_mspel_pixels_tab[ 4] = put_vc1_mspel_mc01_mmx;
502 dsp->put_vc1_mspel_pixels_tab[ 8] = put_vc1_mspel_mc02_mmx;
503 dsp->put_vc1_mspel_pixels_tab[12] = put_vc1_mspel_mc03_mmx;
504
505 dsp->put_vc1_mspel_pixels_tab[ 1] = put_vc1_mspel_mc10_mmx;
506 dsp->put_vc1_mspel_pixels_tab[ 5] = put_vc1_mspel_mc11_mmx;
507 dsp->put_vc1_mspel_pixels_tab[ 9] = put_vc1_mspel_mc12_mmx;
508 dsp->put_vc1_mspel_pixels_tab[13] = put_vc1_mspel_mc13_mmx;
509
510 dsp->put_vc1_mspel_pixels_tab[ 2] = put_vc1_mspel_mc20_mmx;
511 dsp->put_vc1_mspel_pixels_tab[ 6] = put_vc1_mspel_mc21_mmx;
512 dsp->put_vc1_mspel_pixels_tab[10] = put_vc1_mspel_mc22_mmx;
513 dsp->put_vc1_mspel_pixels_tab[14] = put_vc1_mspel_mc23_mmx;
514
515 dsp->put_vc1_mspel_pixels_tab[ 3] = put_vc1_mspel_mc30_mmx;
516 dsp->put_vc1_mspel_pixels_tab[ 7] = put_vc1_mspel_mc31_mmx;
517 dsp->put_vc1_mspel_pixels_tab[11] = put_vc1_mspel_mc32_mmx;
518 dsp->put_vc1_mspel_pixels_tab[15] = put_vc1_mspel_mc33_mmx;
519
520 if (mm_flags & FF_MM_MMX2){
521 dsp->avg_vc1_mspel_pixels_tab[ 0] = ff_avg_vc1_mspel_mc00_mmx2;
522 dsp->avg_vc1_mspel_pixels_tab[ 4] = avg_vc1_mspel_mc01_mmx2;
523 dsp->avg_vc1_mspel_pixels_tab[ 8] = avg_vc1_mspel_mc02_mmx2;
524 dsp->avg_vc1_mspel_pixels_tab[12] = avg_vc1_mspel_mc03_mmx2;
525
526 dsp->avg_vc1_mspel_pixels_tab[ 1] = avg_vc1_mspel_mc10_mmx2;
527 dsp->avg_vc1_mspel_pixels_tab[ 5] = avg_vc1_mspel_mc11_mmx2;
528 dsp->avg_vc1_mspel_pixels_tab[ 9] = avg_vc1_mspel_mc12_mmx2;
529 dsp->avg_vc1_mspel_pixels_tab[13] = avg_vc1_mspel_mc13_mmx2;
530
531 dsp->avg_vc1_mspel_pixels_tab[ 2] = avg_vc1_mspel_mc20_mmx2;
532 dsp->avg_vc1_mspel_pixels_tab[ 6] = avg_vc1_mspel_mc21_mmx2;
533 dsp->avg_vc1_mspel_pixels_tab[10] = avg_vc1_mspel_mc22_mmx2;
534 dsp->avg_vc1_mspel_pixels_tab[14] = avg_vc1_mspel_mc23_mmx2;
535
536 dsp->avg_vc1_mspel_pixels_tab[ 3] = avg_vc1_mspel_mc30_mmx2;
537 dsp->avg_vc1_mspel_pixels_tab[ 7] = avg_vc1_mspel_mc31_mmx2;
538 dsp->avg_vc1_mspel_pixels_tab[11] = avg_vc1_mspel_mc32_mmx2;
539 dsp->avg_vc1_mspel_pixels_tab[15] = avg_vc1_mspel_mc33_mmx2;
540 }
541 }
lucabe's unfinished and experimental patches for ffmpeg