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9dc1116e5420486833fb1e81d2f590e1ae31d553
[libav.git] / libpostproc / postprocess_altivec_template.c
1 /*
2 * AltiVec optimizations (C) 2004 Romain Dolbeau <romain@dolbeau.org>
3 *
4 * based on code by Copyright (C) 2001-2003 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 modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (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
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * 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 <avutil.h>
24
25 #ifdef CONFIG_DARWIN
26 #define AVV(x...) (x)
27 #else
28 #define AVV(x...) {x}
29 #endif
30
31 #define ALTIVEC_TRANSPOSE_8x8_SHORT(src_a,src_b,src_c,src_d,src_e,src_f,src_g,src_h) \
32 do { \
33 __typeof__(src_a) tempA1, tempB1, tempC1, tempD1; \
34 __typeof__(src_a) tempE1, tempF1, tempG1, tempH1; \
35 __typeof__(src_a) tempA2, tempB2, tempC2, tempD2; \
36 __typeof__(src_a) tempE2, tempF2, tempG2, tempH2; \
37 tempA1 = vec_mergeh (src_a, src_e); \
38 tempB1 = vec_mergel (src_a, src_e); \
39 tempC1 = vec_mergeh (src_b, src_f); \
40 tempD1 = vec_mergel (src_b, src_f); \
41 tempE1 = vec_mergeh (src_c, src_g); \
42 tempF1 = vec_mergel (src_c, src_g); \
43 tempG1 = vec_mergeh (src_d, src_h); \
44 tempH1 = vec_mergel (src_d, src_h); \
45 tempA2 = vec_mergeh (tempA1, tempE1); \
46 tempB2 = vec_mergel (tempA1, tempE1); \
47 tempC2 = vec_mergeh (tempB1, tempF1); \
48 tempD2 = vec_mergel (tempB1, tempF1); \
49 tempE2 = vec_mergeh (tempC1, tempG1); \
50 tempF2 = vec_mergel (tempC1, tempG1); \
51 tempG2 = vec_mergeh (tempD1, tempH1); \
52 tempH2 = vec_mergel (tempD1, tempH1); \
53 src_a = vec_mergeh (tempA2, tempE2); \
54 src_b = vec_mergel (tempA2, tempE2); \
55 src_c = vec_mergeh (tempB2, tempF2); \
56 src_d = vec_mergel (tempB2, tempF2); \
57 src_e = vec_mergeh (tempC2, tempG2); \
58 src_f = vec_mergel (tempC2, tempG2); \
59 src_g = vec_mergeh (tempD2, tempH2); \
60 src_h = vec_mergel (tempD2, tempH2); \
61 } while (0)
62
63
64 static inline int vertClassify_altivec(uint8_t src[], int stride, PPContext *c) {
65 /*
66 this code makes no assumption on src or stride.
67 One could remove the recomputation of the perm
68 vector by assuming (stride % 16) == 0, unfortunately
69 this is not always true.
70 */
71 DECLARE_ALIGNED(16, short, data[8]);
72 int numEq;
73 uint8_t *src2 = src;
74 vector signed short v_dcOffset;
75 vector signed short v2QP;
76 vector unsigned short v4QP;
77 vector unsigned short v_dcThreshold;
78 const int properStride = (stride % 16);
79 const int srcAlign = ((unsigned long)src2 % 16);
80 const int two_vectors = ((srcAlign > 8) || properStride) ? 1 : 0;
81 const vector signed int zero = vec_splat_s32(0);
82 const vector signed short mask = vec_splat_s16(1);
83 vector signed int v_numEq = vec_splat_s32(0);
84
85 data[0] = ((c->nonBQP*c->ppMode.baseDcDiff)>>8) + 1;
86 data[1] = data[0] * 2 + 1;
87 data[2] = c->QP * 2;
88 data[3] = c->QP * 4;
89 vector signed short v_data = vec_ld(0, data);
90 v_dcOffset = vec_splat(v_data, 0);
91 v_dcThreshold = (vector unsigned short)vec_splat(v_data, 1);
92 v2QP = vec_splat(v_data, 2);
93 v4QP = (vector unsigned short)vec_splat(v_data, 3);
94
95 src2 += stride * 4;
96
97 vector signed short v_srcAss0, v_srcAss1, v_srcAss2, v_srcAss3, v_srcAss4, v_srcAss5, v_srcAss6, v_srcAss7;
98
99 #define LOAD_LINE(i) \
100 register int j##i = i * stride; \
101 vector unsigned char perm##i = vec_lvsl(j##i, src2); \
102 const vector unsigned char v_srcA1##i = vec_ld(j##i, src2); \
103 vector unsigned char v_srcA2##i; \
104 if (two_vectors) \
105 v_srcA2##i = vec_ld(j##i + 16, src2); \
106 const vector unsigned char v_srcA##i = \
107 vec_perm(v_srcA1##i, v_srcA2##i, perm##i); \
108 v_srcAss##i = \
109 (vector signed short)vec_mergeh((vector signed char)zero, \
110 (vector signed char)v_srcA##i)
111
112 #define LOAD_LINE_ALIGNED(i) \
113 register int j##i = i * stride; \
114 const vector unsigned char v_srcA##i = vec_ld(j##i, src2); \
115 v_srcAss##i = \
116 (vector signed short)vec_mergeh((vector signed char)zero, \
117 (vector signed char)v_srcA##i)
118
119 // special casing the aligned case is worthwhile, as all call from
120 // the (transposed) horizontable deblocks will be aligned, i naddition
121 // to the naturraly aligned vertical deblocks.
122 if (properStride && srcAlign) {
123 LOAD_LINE_ALIGNED(0);
124 LOAD_LINE_ALIGNED(1);
125 LOAD_LINE_ALIGNED(2);
126 LOAD_LINE_ALIGNED(3);
127 LOAD_LINE_ALIGNED(4);
128 LOAD_LINE_ALIGNED(5);
129 LOAD_LINE_ALIGNED(6);
130 LOAD_LINE_ALIGNED(7);
131 } else {
132 LOAD_LINE(0);
133 LOAD_LINE(1);
134 LOAD_LINE(2);
135 LOAD_LINE(3);
136 LOAD_LINE(4);
137 LOAD_LINE(5);
138 LOAD_LINE(6);
139 LOAD_LINE(7);
140 }
141 #undef LOAD_LINE
142 #undef LOAD_LINE_ALIGNED
143
144 #define ITER(i, j) \
145 const vector signed short v_diff##i = \
146 vec_sub(v_srcAss##i, v_srcAss##j); \
147 const vector signed short v_sum##i = \
148 vec_add(v_diff##i, v_dcOffset); \
149 const vector signed short v_comp##i = \
150 (vector signed short)vec_cmplt((vector unsigned short)v_sum##i, \
151 v_dcThreshold); \
152 const vector signed short v_part##i = vec_and(mask, v_comp##i); \
153 v_numEq = vec_sum4s(v_part##i, v_numEq);
154
155 ITER(0, 1);
156 ITER(1, 2);
157 ITER(2, 3);
158 ITER(3, 4);
159 ITER(4, 5);
160 ITER(5, 6);
161 ITER(6, 7);
162 #undef ITER
163
164 v_numEq = vec_sums(v_numEq, zero);
165
166 v_numEq = vec_splat(v_numEq, 3);
167 vec_ste(v_numEq, 0, &numEq);
168
169 if (numEq > c->ppMode.flatnessThreshold)
170 {
171 const vector unsigned char mmoP1 = (const vector unsigned char)
172 AVV(0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f,
173 0x00, 0x01, 0x12, 0x13, 0x08, 0x09, 0x1A, 0x1B);
174 const vector unsigned char mmoP2 = (const vector unsigned char)
175 AVV(0x04, 0x05, 0x16, 0x17, 0x0C, 0x0D, 0x1E, 0x1F,
176 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f);
177 const vector unsigned char mmoP = (const vector unsigned char)
178 vec_lvsl(8, (unsigned char*)0);
179
180 vector signed short mmoL1 = vec_perm(v_srcAss0, v_srcAss2, mmoP1);
181 vector signed short mmoL2 = vec_perm(v_srcAss4, v_srcAss6, mmoP2);
182 vector signed short mmoL = vec_perm(mmoL1, mmoL2, mmoP);
183 vector signed short mmoR1 = vec_perm(v_srcAss5, v_srcAss7, mmoP1);
184 vector signed short mmoR2 = vec_perm(v_srcAss1, v_srcAss3, mmoP2);
185 vector signed short mmoR = vec_perm(mmoR1, mmoR2, mmoP);
186 vector signed short mmoDiff = vec_sub(mmoL, mmoR);
187 vector unsigned short mmoSum = (vector unsigned short)vec_add(mmoDiff, v2QP);
188
189 if (vec_any_gt(mmoSum, v4QP))
190 return 0;
191 else
192 return 1;
193 }
194 else return 2;
195 }
196
197 static inline void doVertLowPass_altivec(uint8_t *src, int stride, PPContext *c) {
198 /*
199 this code makes no assumption on src or stride.
200 One could remove the recomputation of the perm
201 vector by assuming (stride % 16) == 0, unfortunately
202 this is not always true. Quite a lot of load/stores
203 can be removed by assuming proper alignement of
204 src & stride :-(
205 */
206 uint8_t *src2 = src;
207 const vector signed int zero = vec_splat_s32(0);
208 const int properStride = (stride % 16);
209 const int srcAlign = ((unsigned long)src2 % 16);
210 DECLARE_ALIGNED(16, short, qp[8]);
211 qp[0] = c->QP;
212 vector signed short vqp = vec_ld(0, qp);
213 vqp = vec_splat(vqp, 0);
214
215 src2 += stride*3;
216
217 vector signed short vb0, vb1, vb2, vb3, vb4, vb5, vb6, vb7, vb8, vb9;
218 vector unsigned char vbA0, vbA1, vbA2, vbA3, vbA4, vbA5, vbA6, vbA7, vbA8, vbA9;
219 vector unsigned char vbB0, vbB1, vbB2, vbB3, vbB4, vbB5, vbB6, vbB7, vbB8, vbB9;
220 vector unsigned char vbT0, vbT1, vbT2, vbT3, vbT4, vbT5, vbT6, vbT7, vbT8, vbT9;
221
222 #define LOAD_LINE(i) \
223 const vector unsigned char perml##i = \
224 vec_lvsl(i * stride, src2); \
225 vbA##i = vec_ld(i * stride, src2); \
226 vbB##i = vec_ld(i * stride + 16, src2); \
227 vbT##i = vec_perm(vbA##i, vbB##i, perml##i); \
228 vb##i = \
229 (vector signed short)vec_mergeh((vector unsigned char)zero, \
230 (vector unsigned char)vbT##i)
231
232 #define LOAD_LINE_ALIGNED(i) \
233 register int j##i = i * stride; \
234 vbT##i = vec_ld(j##i, src2); \
235 vb##i = \
236 (vector signed short)vec_mergeh((vector signed char)zero, \
237 (vector signed char)vbT##i)
238
239 // special casing the aligned case is worthwhile, as all call from
240 // the (transposed) horizontable deblocks will be aligned, in addition
241 // to the naturraly aligned vertical deblocks.
242 if (properStride && srcAlign) {
243 LOAD_LINE_ALIGNED(0);
244 LOAD_LINE_ALIGNED(1);
245 LOAD_LINE_ALIGNED(2);
246 LOAD_LINE_ALIGNED(3);
247 LOAD_LINE_ALIGNED(4);
248 LOAD_LINE_ALIGNED(5);
249 LOAD_LINE_ALIGNED(6);
250 LOAD_LINE_ALIGNED(7);
251 LOAD_LINE_ALIGNED(8);
252 LOAD_LINE_ALIGNED(9);
253 } else {
254 LOAD_LINE(0);
255 LOAD_LINE(1);
256 LOAD_LINE(2);
257 LOAD_LINE(3);
258 LOAD_LINE(4);
259 LOAD_LINE(5);
260 LOAD_LINE(6);
261 LOAD_LINE(7);
262 LOAD_LINE(8);
263 LOAD_LINE(9);
264 }
265 #undef LOAD_LINE
266 #undef LOAD_LINE_ALIGNED
267
268 const vector unsigned short v_2 = vec_splat_u16(2);
269 const vector unsigned short v_4 = vec_splat_u16(4);
270
271 const vector signed short v_diff01 = vec_sub(vb0, vb1);
272 const vector unsigned short v_cmp01 =
273 (const vector unsigned short) vec_cmplt(vec_abs(v_diff01), vqp);
274 const vector signed short v_first = vec_sel(vb1, vb0, v_cmp01);
275 const vector signed short v_diff89 = vec_sub(vb8, vb9);
276 const vector unsigned short v_cmp89 =
277 (const vector unsigned short) vec_cmplt(vec_abs(v_diff89), vqp);
278 const vector signed short v_last = vec_sel(vb8, vb9, v_cmp89);
279
280 const vector signed short temp01 = vec_mladd(v_first, (vector signed short)v_4, vb1);
281 const vector signed short temp02 = vec_add(vb2, vb3);
282 const vector signed short temp03 = vec_add(temp01, (vector signed short)v_4);
283 const vector signed short v_sumsB0 = vec_add(temp02, temp03);
284
285 const vector signed short temp11 = vec_sub(v_sumsB0, v_first);
286 const vector signed short v_sumsB1 = vec_add(temp11, vb4);
287
288 const vector signed short temp21 = vec_sub(v_sumsB1, v_first);
289 const vector signed short v_sumsB2 = vec_add(temp21, vb5);
290
291 const vector signed short temp31 = vec_sub(v_sumsB2, v_first);
292 const vector signed short v_sumsB3 = vec_add(temp31, vb6);
293
294 const vector signed short temp41 = vec_sub(v_sumsB3, v_first);
295 const vector signed short v_sumsB4 = vec_add(temp41, vb7);
296
297 const vector signed short temp51 = vec_sub(v_sumsB4, vb1);
298 const vector signed short v_sumsB5 = vec_add(temp51, vb8);
299
300 const vector signed short temp61 = vec_sub(v_sumsB5, vb2);
301 const vector signed short v_sumsB6 = vec_add(temp61, v_last);
302
303 const vector signed short temp71 = vec_sub(v_sumsB6, vb3);
304 const vector signed short v_sumsB7 = vec_add(temp71, v_last);
305
306 const vector signed short temp81 = vec_sub(v_sumsB7, vb4);
307 const vector signed short v_sumsB8 = vec_add(temp81, v_last);
308
309 const vector signed short temp91 = vec_sub(v_sumsB8, vb5);
310 const vector signed short v_sumsB9 = vec_add(temp91, v_last);
311
312 #define COMPUTE_VR(i, j, k) \
313 const vector signed short temps1##i = \
314 vec_add(v_sumsB##i, v_sumsB##k); \
315 const vector signed short temps2##i = \
316 vec_mladd(vb##j, (vector signed short)v_2, temps1##i); \
317 const vector signed short vr##j = vec_sra(temps2##i, v_4)
318
319 COMPUTE_VR(0, 1, 2);
320 COMPUTE_VR(1, 2, 3);
321 COMPUTE_VR(2, 3, 4);
322 COMPUTE_VR(3, 4, 5);
323 COMPUTE_VR(4, 5, 6);
324 COMPUTE_VR(5, 6, 7);
325 COMPUTE_VR(6, 7, 8);
326 COMPUTE_VR(7, 8, 9);
327
328 const vector signed char neg1 = vec_splat_s8(-1);
329 const vector unsigned char permHH = (const vector unsigned char)AVV(0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
330 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F);
331
332 #define PACK_AND_STORE(i) \
333 const vector unsigned char perms##i = \
334 vec_lvsr(i * stride, src2); \
335 const vector unsigned char vf##i = \
336 vec_packsu(vr##i, (vector signed short)zero); \
337 const vector unsigned char vg##i = \
338 vec_perm(vf##i, vbT##i, permHH); \
339 const vector unsigned char mask##i = \
340 vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms##i); \
341 const vector unsigned char vg2##i = \
342 vec_perm(vg##i, vg##i, perms##i); \
343 const vector unsigned char svA##i = \
344 vec_sel(vbA##i, vg2##i, mask##i); \
345 const vector unsigned char svB##i = \
346 vec_sel(vg2##i, vbB##i, mask##i); \
347 vec_st(svA##i, i * stride, src2); \
348 vec_st(svB##i, i * stride + 16, src2)
349
350 #define PACK_AND_STORE_ALIGNED(i) \
351 const vector unsigned char vf##i = \
352 vec_packsu(vr##i, (vector signed short)zero); \
353 const vector unsigned char vg##i = \
354 vec_perm(vf##i, vbT##i, permHH); \
355 vec_st(vg##i, i * stride, src2)
356
357 // special casing the aligned case is worthwhile, as all call from
358 // the (transposed) horizontable deblocks will be aligned, in addition
359 // to the naturraly aligned vertical deblocks.
360 if (properStride && srcAlign) {
361 PACK_AND_STORE_ALIGNED(1);
362 PACK_AND_STORE_ALIGNED(2);
363 PACK_AND_STORE_ALIGNED(3);
364 PACK_AND_STORE_ALIGNED(4);
365 PACK_AND_STORE_ALIGNED(5);
366 PACK_AND_STORE_ALIGNED(6);
367 PACK_AND_STORE_ALIGNED(7);
368 PACK_AND_STORE_ALIGNED(8);
369 } else {
370 PACK_AND_STORE(1);
371 PACK_AND_STORE(2);
372 PACK_AND_STORE(3);
373 PACK_AND_STORE(4);
374 PACK_AND_STORE(5);
375 PACK_AND_STORE(6);
376 PACK_AND_STORE(7);
377 PACK_AND_STORE(8);
378 }
379 #undef PACK_AND_STORE
380 #undef PACK_AND_STORE_ALIGNED
381 }
382
383
384
385 static inline void doVertDefFilter_altivec(uint8_t src[], int stride, PPContext *c) {
386 /*
387 this code makes no assumption on src or stride.
388 One could remove the recomputation of the perm
389 vector by assuming (stride % 16) == 0, unfortunately
390 this is not always true. Quite a lot of load/stores
391 can be removed by assuming proper alignement of
392 src & stride :-(
393 */
394 uint8_t *src2 = src;
395 const vector signed int zero = vec_splat_s32(0);
396 DECLARE_ALIGNED(16, short, qp[8]);
397 qp[0] = 8*c->QP;
398 vector signed short vqp = vec_ld(0, qp);
399 vqp = vec_splat(vqp, 0);
400
401 #define LOAD_LINE(i) \
402 const vector unsigned char perm##i = \
403 vec_lvsl(i * stride, src2); \
404 const vector unsigned char vbA##i = \
405 vec_ld(i * stride, src2); \
406 const vector unsigned char vbB##i = \
407 vec_ld(i * stride + 16, src2); \
408 const vector unsigned char vbT##i = \
409 vec_perm(vbA##i, vbB##i, perm##i); \
410 const vector signed short vb##i = \
411 (vector signed short)vec_mergeh((vector unsigned char)zero, \
412 (vector unsigned char)vbT##i)
413
414 src2 += stride*3;
415
416 LOAD_LINE(1);
417 LOAD_LINE(2);
418 LOAD_LINE(3);
419 LOAD_LINE(4);
420 LOAD_LINE(5);
421 LOAD_LINE(6);
422 LOAD_LINE(7);
423 LOAD_LINE(8);
424 #undef LOAD_LINE
425
426 const vector signed short v_1 = vec_splat_s16(1);
427 const vector signed short v_2 = vec_splat_s16(2);
428 const vector signed short v_5 = vec_splat_s16(5);
429 const vector signed short v_32 = vec_sl(v_1,
430 (vector unsigned short)v_5);
431 /* middle energy */
432 const vector signed short l3minusl6 = vec_sub(vb3, vb6);
433 const vector signed short l5minusl4 = vec_sub(vb5, vb4);
434 const vector signed short twotimes_l3minusl6 = vec_mladd(v_2, l3minusl6, (vector signed short)zero);
435 const vector signed short mE = vec_mladd(v_5, l5minusl4, twotimes_l3minusl6);
436 const vector signed short absmE = vec_abs(mE);
437 /* left & right energy */
438 const vector signed short l1minusl4 = vec_sub(vb1, vb4);
439 const vector signed short l3minusl2 = vec_sub(vb3, vb2);
440 const vector signed short l5minusl8 = vec_sub(vb5, vb8);
441 const vector signed short l7minusl6 = vec_sub(vb7, vb6);
442 const vector signed short twotimes_l1minusl4 = vec_mladd(v_2, l1minusl4, (vector signed short)zero);
443 const vector signed short twotimes_l5minusl8 = vec_mladd(v_2, l5minusl8, (vector signed short)zero);
444 const vector signed short lE = vec_mladd(v_5, l3minusl2, twotimes_l1minusl4);
445 const vector signed short rE = vec_mladd(v_5, l7minusl6, twotimes_l5minusl8);
446 /* d */
447 const vector signed short ddiff = vec_sub(absmE,
448 vec_min(vec_abs(lE),
449 vec_abs(rE)));
450 const vector signed short ddiffclamp = vec_max(ddiff, (vector signed short)zero);
451 const vector signed short dtimes64 = vec_mladd(v_5, ddiffclamp, v_32);
452 const vector signed short d = vec_sra(dtimes64, vec_splat_u16(6));
453 const vector signed short minusd = vec_sub((vector signed short)zero, d);
454 const vector signed short finald = vec_sel(minusd,
455 d,
456 vec_cmpgt(vec_sub((vector signed short)zero, mE),
457 (vector signed short)zero));
458 /* q */
459 const vector signed short qtimes2 = vec_sub(vb4, vb5);
460 /* for a shift right to behave like /2, we need to add one
461 to all negative integer */
462 const vector signed short rounddown = vec_sel((vector signed short)zero,
463 v_1,
464 vec_cmplt(qtimes2, (vector signed short)zero));
465 const vector signed short q = vec_sra(vec_add(qtimes2, rounddown), vec_splat_u16(1));
466 /* clamp */
467 const vector signed short dclamp_P1 = vec_max((vector signed short)zero, finald);
468 const vector signed short dclamp_P = vec_min(dclamp_P1, q);
469 const vector signed short dclamp_N1 = vec_min((vector signed short)zero, finald);
470 const vector signed short dclamp_N = vec_max(dclamp_N1, q);
471
472 const vector signed short dclampedfinal = vec_sel(dclamp_N,
473 dclamp_P,
474 vec_cmpgt(q, (vector signed short)zero));
475 const vector signed short dornotd = vec_sel((vector signed short)zero,
476 dclampedfinal,
477 vec_cmplt(absmE, vqp));
478 /* add/substract to l4 and l5 */
479 const vector signed short vb4minusd = vec_sub(vb4, dornotd);
480 const vector signed short vb5plusd = vec_add(vb5, dornotd);
481 /* finally, stores */
482 const vector unsigned char st4 = vec_packsu(vb4minusd, (vector signed short)zero);
483 const vector unsigned char st5 = vec_packsu(vb5plusd, (vector signed short)zero);
484
485 const vector signed char neg1 = vec_splat_s8(-1);
486 const vector unsigned char permHH = (const vector unsigned char)AVV(0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
487 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F);
488
489 #define STORE(i) \
490 const vector unsigned char perms##i = \
491 vec_lvsr(i * stride, src2); \
492 const vector unsigned char vg##i = \
493 vec_perm(st##i, vbT##i, permHH); \
494 const vector unsigned char mask##i = \
495 vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms##i); \
496 const vector unsigned char vg2##i = \
497 vec_perm(vg##i, vg##i, perms##i); \
498 const vector unsigned char svA##i = \
499 vec_sel(vbA##i, vg2##i, mask##i); \
500 const vector unsigned char svB##i = \
501 vec_sel(vg2##i, vbB##i, mask##i); \
502 vec_st(svA##i, i * stride, src2); \
503 vec_st(svB##i, i * stride + 16, src2)
504
505 STORE(4);
506 STORE(5);
507 }
508
509 static inline void dering_altivec(uint8_t src[], int stride, PPContext *c) {
510 /*
511 this code makes no assumption on src or stride.
512 One could remove the recomputation of the perm
513 vector by assuming (stride % 16) == 0, unfortunately
514 this is not always true. Quite a lot of load/stores
515 can be removed by assuming proper alignement of
516 src & stride :-(
517 */
518 uint8_t *srcCopy = src;
519 DECLARE_ALIGNED(16, uint8_t, dt[16]);
520 const vector signed int zero = vec_splat_s32(0);
521 vector unsigned char v_dt;
522 dt[0] = deringThreshold;
523 v_dt = vec_splat(vec_ld(0, dt), 0);
524
525 #define LOAD_LINE(i) \
526 const vector unsigned char perm##i = \
527 vec_lvsl(i * stride, srcCopy); \
528 vector unsigned char sA##i = vec_ld(i * stride, srcCopy); \
529 vector unsigned char sB##i = vec_ld(i * stride + 16, srcCopy); \
530 vector unsigned char src##i = vec_perm(sA##i, sB##i, perm##i)
531
532 LOAD_LINE(0);
533 LOAD_LINE(1);
534 LOAD_LINE(2);
535 LOAD_LINE(3);
536 LOAD_LINE(4);
537 LOAD_LINE(5);
538 LOAD_LINE(6);
539 LOAD_LINE(7);
540 LOAD_LINE(8);
541 LOAD_LINE(9);
542 #undef LOAD_LINE
543
544 vector unsigned char v_avg;
545 {
546 const vector unsigned char trunc_perm = (vector unsigned char)
547 AVV(0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
548 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18);
549 const vector unsigned char trunc_src12 = vec_perm(src1, src2, trunc_perm);
550 const vector unsigned char trunc_src34 = vec_perm(src3, src4, trunc_perm);
551 const vector unsigned char trunc_src56 = vec_perm(src5, src6, trunc_perm);
552 const vector unsigned char trunc_src78 = vec_perm(src7, src8, trunc_perm);
553
554 #define EXTRACT(op) do { \
555 const vector unsigned char s##op##_1 = vec_##op(trunc_src12, trunc_src34); \
556 const vector unsigned char s##op##_2 = vec_##op(trunc_src56, trunc_src78); \
557 const vector unsigned char s##op##_6 = vec_##op(s##op##_1, s##op##_2); \
558 const vector unsigned char s##op##_8h = vec_mergeh(s##op##_6, s##op##_6); \
559 const vector unsigned char s##op##_8l = vec_mergel(s##op##_6, s##op##_6); \
560 const vector unsigned char s##op##_9 = vec_##op(s##op##_8h, s##op##_8l); \
561 const vector unsigned char s##op##_9h = vec_mergeh(s##op##_9, s##op##_9); \
562 const vector unsigned char s##op##_9l = vec_mergel(s##op##_9, s##op##_9); \
563 const vector unsigned char s##op##_10 = vec_##op(s##op##_9h, s##op##_9l); \
564 const vector unsigned char s##op##_10h = vec_mergeh(s##op##_10, s##op##_10); \
565 const vector unsigned char s##op##_10l = vec_mergel(s##op##_10, s##op##_10); \
566 const vector unsigned char s##op##_11 = vec_##op(s##op##_10h, s##op##_10l); \
567 const vector unsigned char s##op##_11h = vec_mergeh(s##op##_11, s##op##_11); \
568 const vector unsigned char s##op##_11l = vec_mergel(s##op##_11, s##op##_11); \
569 v_##op = vec_##op(s##op##_11h, s##op##_11l); } while (0)
570
571 vector unsigned char v_min;
572 vector unsigned char v_max;
573 EXTRACT(min);
574 EXTRACT(max);
575 #undef EXTRACT
576
577 if (vec_all_lt(vec_sub(v_max, v_min), v_dt))
578 return;
579
580 v_avg = vec_avg(v_min, v_max);
581 }
582
583 DECLARE_ALIGNED(16, signed int, S[8]);
584 {
585 const vector unsigned short mask1 = (vector unsigned short)
586 AVV(0x0001, 0x0002, 0x0004, 0x0008,
587 0x0010, 0x0020, 0x0040, 0x0080);
588 const vector unsigned short mask2 = (vector unsigned short)
589 AVV(0x0100, 0x0200, 0x0000, 0x0000,
590 0x0000, 0x0000, 0x0000, 0x0000);
591
592 const vector unsigned int vuint32_16 = vec_sl(vec_splat_u32(1), vec_splat_u32(4));
593 const vector unsigned int vuint32_1 = vec_splat_u32(1);
594
595 #define COMPARE(i) \
596 vector signed int sum##i; \
597 do { \
598 const vector unsigned char cmp##i = \
599 (vector unsigned char)vec_cmpgt(src##i, v_avg); \
600 const vector unsigned short cmpHi##i = \
601 (vector unsigned short)vec_mergeh(cmp##i, cmp##i); \
602 const vector unsigned short cmpLi##i = \
603 (vector unsigned short)vec_mergel(cmp##i, cmp##i); \
604 const vector signed short cmpHf##i = \
605 (vector signed short)vec_and(cmpHi##i, mask1); \
606 const vector signed short cmpLf##i = \
607 (vector signed short)vec_and(cmpLi##i, mask2); \
608 const vector signed int sump##i = vec_sum4s(cmpHf##i, zero); \
609 const vector signed int sumq##i = vec_sum4s(cmpLf##i, sump##i); \
610 sum##i = vec_sums(sumq##i, zero); } while (0)
611
612 COMPARE(0);
613 COMPARE(1);
614 COMPARE(2);
615 COMPARE(3);
616 COMPARE(4);
617 COMPARE(5);
618 COMPARE(6);
619 COMPARE(7);
620 COMPARE(8);
621 COMPARE(9);
622 #undef COMPARE
623
624 vector signed int sumA2;
625 vector signed int sumB2;
626 {
627 const vector signed int sump02 = vec_mergel(sum0, sum2);
628 const vector signed int sump13 = vec_mergel(sum1, sum3);
629 const vector signed int sumA = vec_mergel(sump02, sump13);
630
631 const vector signed int sump46 = vec_mergel(sum4, sum6);
632 const vector signed int sump57 = vec_mergel(sum5, sum7);
633 const vector signed int sumB = vec_mergel(sump46, sump57);
634
635 const vector signed int sump8A = vec_mergel(sum8, zero);
636 const vector signed int sump9B = vec_mergel(sum9, zero);
637 const vector signed int sumC = vec_mergel(sump8A, sump9B);
638
639 const vector signed int tA = vec_sl(vec_nor(zero, sumA), vuint32_16);
640 const vector signed int tB = vec_sl(vec_nor(zero, sumB), vuint32_16);
641 const vector signed int tC = vec_sl(vec_nor(zero, sumC), vuint32_16);
642 const vector signed int t2A = vec_or(sumA, tA);
643 const vector signed int t2B = vec_or(sumB, tB);
644 const vector signed int t2C = vec_or(sumC, tC);
645 const vector signed int t3A = vec_and(vec_sra(t2A, vuint32_1),
646 vec_sl(t2A, vuint32_1));
647 const vector signed int t3B = vec_and(vec_sra(t2B, vuint32_1),
648 vec_sl(t2B, vuint32_1));
649 const vector signed int t3C = vec_and(vec_sra(t2C, vuint32_1),
650 vec_sl(t2C, vuint32_1));
651 const vector signed int yA = vec_and(t2A, t3A);
652 const vector signed int yB = vec_and(t2B, t3B);
653 const vector signed int yC = vec_and(t2C, t3C);
654
655 const vector unsigned char strangeperm1 = vec_lvsl(4, (unsigned char*)0);
656 const vector unsigned char strangeperm2 = vec_lvsl(8, (unsigned char*)0);
657 const vector signed int sumAd4 = vec_perm(yA, yB, strangeperm1);
658 const vector signed int sumAd8 = vec_perm(yA, yB, strangeperm2);
659 const vector signed int sumBd4 = vec_perm(yB, yC, strangeperm1);
660 const vector signed int sumBd8 = vec_perm(yB, yC, strangeperm2);
661 const vector signed int sumAp = vec_and(yA,
662 vec_and(sumAd4,sumAd8));
663 const vector signed int sumBp = vec_and(yB,
664 vec_and(sumBd4,sumBd8));
665 sumA2 = vec_or(sumAp,
666 vec_sra(sumAp,
667 vuint32_16));
668 sumB2 = vec_or(sumBp,
669 vec_sra(sumBp,
670 vuint32_16));
671 }
672 vec_st(sumA2, 0, S);
673 vec_st(sumB2, 16, S);
674 }
675
676 /* I'm not sure the following is actually faster
677 than straight, unvectorized C code :-( */
678
679 DECLARE_ALIGNED(16, int, tQP2[4]);
680 tQP2[0]= c->QP/2 + 1;
681 vector signed int vQP2 = vec_ld(0, tQP2);
682 vQP2 = vec_splat(vQP2, 0);
683 const vector signed int vsint32_8 = vec_splat_s32(8);
684 const vector unsigned int vuint32_4 = vec_splat_u32(4);
685
686 const vector unsigned char permA1 = (vector unsigned char)
687 AVV(0x00, 0x01, 0x02, 0x10, 0x11, 0x12, 0x1F, 0x1F,
688 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F);
689 const vector unsigned char permA2 = (vector unsigned char)
690 AVV(0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x10, 0x11,
691 0x12, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F);
692 const vector unsigned char permA1inc = (vector unsigned char)
693 AVV(0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00,
694 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
695 const vector unsigned char permA2inc = (vector unsigned char)
696 AVV(0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01,
697 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
698 const vector unsigned char magic = (vector unsigned char)
699 AVV(0x01, 0x02, 0x01, 0x02, 0x04, 0x02, 0x01, 0x02,
700 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
701 const vector unsigned char extractPerm = (vector unsigned char)
702 AVV(0x10, 0x10, 0x10, 0x01, 0x10, 0x10, 0x10, 0x01,
703 0x10, 0x10, 0x10, 0x01, 0x10, 0x10, 0x10, 0x01);
704 const vector unsigned char extractPermInc = (vector unsigned char)
705 AVV(0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01,
706 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01);
707 const vector unsigned char identity = vec_lvsl(0,(unsigned char *)0);
708 const vector unsigned char tenRight = (vector unsigned char)
709 AVV(0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
710 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
711 const vector unsigned char eightLeft = (vector unsigned char)
712 AVV(0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
713 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08);
714
715
716 #define F_INIT(i) \
717 vector unsigned char tenRightM##i = tenRight; \
718 vector unsigned char permA1M##i = permA1; \
719 vector unsigned char permA2M##i = permA2; \
720 vector unsigned char extractPermM##i = extractPerm
721
722 #define F2(i, j, k, l) \
723 if (S[i] & (1 << (l+1))) { \
724 const vector unsigned char a_##j##_A##l = \
725 vec_perm(src##i, src##j, permA1M##i); \
726 const vector unsigned char a_##j##_B##l = \
727 vec_perm(a_##j##_A##l, src##k, permA2M##i); \
728 const vector signed int a_##j##_sump##l = \
729 (vector signed int)vec_msum(a_##j##_B##l, magic, \
730 (vector unsigned int)zero); \
731 vector signed int F_##j##_##l = \
732 vec_sr(vec_sums(a_##j##_sump##l, vsint32_8), vuint32_4); \
733 F_##j##_##l = vec_splat(F_##j##_##l, 3); \
734 const vector signed int p_##j##_##l = \
735 (vector signed int)vec_perm(src##j, \
736 (vector unsigned char)zero, \
737 extractPermM##i); \
738 const vector signed int sum_##j##_##l = vec_add( p_##j##_##l, vQP2);\
739 const vector signed int diff_##j##_##l = vec_sub( p_##j##_##l, vQP2);\
740 vector signed int newpm_##j##_##l; \
741 if (vec_all_lt(sum_##j##_##l, F_##j##_##l)) \
742 newpm_##j##_##l = sum_##j##_##l; \
743 else if (vec_all_gt(diff_##j##_##l, F_##j##_##l)) \
744 newpm_##j##_##l = diff_##j##_##l; \
745 else newpm_##j##_##l = F_##j##_##l; \
746 const vector unsigned char newpm2_##j##_##l = \
747 vec_splat((vector unsigned char)newpm_##j##_##l, 15); \
748 const vector unsigned char mask##j##l = vec_add(identity, \
749 tenRightM##i); \
750 src##j = vec_perm(src##j, newpm2_##j##_##l, mask##j##l); \
751 } \
752 permA1M##i = vec_add(permA1M##i, permA1inc); \
753 permA2M##i = vec_add(permA2M##i, permA2inc); \
754 tenRightM##i = vec_sro(tenRightM##i, eightLeft); \
755 extractPermM##i = vec_add(extractPermM##i, extractPermInc)
756
757 #define ITER(i, j, k) \
758 F_INIT(i); \
759 F2(i, j, k, 0); \
760 F2(i, j, k, 1); \
761 F2(i, j, k, 2); \
762 F2(i, j, k, 3); \
763 F2(i, j, k, 4); \
764 F2(i, j, k, 5); \
765 F2(i, j, k, 6); \
766 F2(i, j, k, 7)
767
768 ITER(0, 1, 2);
769 ITER(1, 2, 3);
770 ITER(2, 3, 4);
771 ITER(3, 4, 5);
772 ITER(4, 5, 6);
773 ITER(5, 6, 7);
774 ITER(6, 7, 8);
775 ITER(7, 8, 9);
776
777 const vector signed char neg1 = vec_splat_s8(-1);
778
779 #define STORE_LINE(i) \
780 const vector unsigned char permST##i = \
781 vec_lvsr(i * stride, srcCopy); \
782 const vector unsigned char maskST##i = \
783 vec_perm((vector unsigned char)zero, \
784 (vector unsigned char)neg1, permST##i); \
785 src##i = vec_perm(src##i ,src##i, permST##i); \
786 sA##i= vec_sel(sA##i, src##i, maskST##i); \
787 sB##i= vec_sel(src##i, sB##i, maskST##i); \
788 vec_st(sA##i, i * stride, srcCopy); \
789 vec_st(sB##i, i * stride + 16, srcCopy)
790
791 STORE_LINE(1);
792 STORE_LINE(2);
793 STORE_LINE(3);
794 STORE_LINE(4);
795 STORE_LINE(5);
796 STORE_LINE(6);
797 STORE_LINE(7);
798 STORE_LINE(8);
799
800 #undef STORE_LINE
801 #undef ITER
802 #undef F2
803 }
804
805 #define doHorizLowPass_altivec(a...) doHorizLowPass_C(a)
806 #define doHorizDefFilter_altivec(a...) doHorizDefFilter_C(a)
807 #define do_a_deblock_altivec(a...) do_a_deblock_C(a)
808
809 static inline void RENAME(tempNoiseReducer)(uint8_t *src, int stride,
810 uint8_t *tempBlured, uint32_t *tempBluredPast, int *maxNoise)
811 {
812 const vector signed int zero = vec_splat_s32(0);
813 const vector signed short vsint16_1 = vec_splat_s16(1);
814 vector signed int v_dp = zero;
815 vector signed int v_sysdp = zero;
816 int d, sysd, i;
817
818 tempBluredPast[127]= maxNoise[0];
819 tempBluredPast[128]= maxNoise[1];
820 tempBluredPast[129]= maxNoise[2];
821
822 #define LOAD_LINE(src, i) \
823 register int j##src##i = i * stride; \
824 vector unsigned char perm##src##i = vec_lvsl(j##src##i, src); \
825 const vector unsigned char v_##src##A1##i = vec_ld(j##src##i, src); \
826 const vector unsigned char v_##src##A2##i = vec_ld(j##src##i + 16, src); \
827 const vector unsigned char v_##src##A##i = \
828 vec_perm(v_##src##A1##i, v_##src##A2##i, perm##src##i); \
829 vector signed short v_##src##Ass##i = \
830 (vector signed short)vec_mergeh((vector signed char)zero, \
831 (vector signed char)v_##src##A##i)
832
833 LOAD_LINE(src, 0);
834 LOAD_LINE(src, 1);
835 LOAD_LINE(src, 2);
836 LOAD_LINE(src, 3);
837 LOAD_LINE(src, 4);
838 LOAD_LINE(src, 5);
839 LOAD_LINE(src, 6);
840 LOAD_LINE(src, 7);
841
842 LOAD_LINE(tempBlured, 0);
843 LOAD_LINE(tempBlured, 1);
844 LOAD_LINE(tempBlured, 2);
845 LOAD_LINE(tempBlured, 3);
846 LOAD_LINE(tempBlured, 4);
847 LOAD_LINE(tempBlured, 5);
848 LOAD_LINE(tempBlured, 6);
849 LOAD_LINE(tempBlured, 7);
850 #undef LOAD_LINE
851
852 #define ACCUMULATE_DIFFS(i) \
853 vector signed short v_d##i = vec_sub(v_tempBluredAss##i, \
854 v_srcAss##i); \
855 v_dp = vec_msums(v_d##i, v_d##i, v_dp); \
856 v_sysdp = vec_msums(v_d##i, vsint16_1, v_sysdp)
857
858 ACCUMULATE_DIFFS(0);
859 ACCUMULATE_DIFFS(1);
860 ACCUMULATE_DIFFS(2);
861 ACCUMULATE_DIFFS(3);
862 ACCUMULATE_DIFFS(4);
863 ACCUMULATE_DIFFS(5);
864 ACCUMULATE_DIFFS(6);
865 ACCUMULATE_DIFFS(7);
866 #undef ACCUMULATE_DIFFS
867
868 v_dp = vec_sums(v_dp, zero);
869 v_sysdp = vec_sums(v_sysdp, zero);
870
871 v_dp = vec_splat(v_dp, 3);
872 v_sysdp = vec_splat(v_sysdp, 3);
873
874 vec_ste(v_dp, 0, &d);
875 vec_ste(v_sysdp, 0, &sysd);
876
877 i = d;
878 d = (4*d
879 +(*(tempBluredPast-256))
880 +(*(tempBluredPast-1))+ (*(tempBluredPast+1))
881 +(*(tempBluredPast+256))
882 +4)>>3;
883
884 *tempBluredPast=i;
885
886 if (d > maxNoise[1]) {
887 if (d < maxNoise[2]) {
888 #define OP(i) v_tempBluredAss##i = vec_avg(v_tempBluredAss##i, v_srcAss##i);
889
890 OP(0);
891 OP(1);
892 OP(2);
893 OP(3);
894 OP(4);
895 OP(5);
896 OP(6);
897 OP(7);
898 #undef OP
899 } else {
900 #define OP(i) v_tempBluredAss##i = v_srcAss##i;
901
902 OP(0);
903 OP(1);
904 OP(2);
905 OP(3);
906 OP(4);
907 OP(5);
908 OP(6);
909 OP(7);
910 #undef OP
911 }
912 } else {
913 if (d < maxNoise[0]) {
914 const vector signed short vsint16_7 = vec_splat_s16(7);
915 const vector signed short vsint16_4 = vec_splat_s16(4);
916 const vector unsigned short vuint16_3 = vec_splat_u16(3);
917
918 #define OP(i) \
919 const vector signed short v_temp##i = \
920 vec_mladd(v_tempBluredAss##i, \
921 vsint16_7, v_srcAss##i); \
922 const vector signed short v_temp2##i = \
923 vec_add(v_temp##i, vsint16_4); \
924 v_tempBluredAss##i = vec_sr(v_temp2##i, vuint16_3)
925
926 OP(0);
927 OP(1);
928 OP(2);
929 OP(3);
930 OP(4);
931 OP(5);
932 OP(6);
933 OP(7);
934 #undef OP
935 } else {
936 const vector signed short vsint16_3 = vec_splat_s16(3);
937 const vector signed short vsint16_2 = vec_splat_s16(2);
938
939 #define OP(i) \
940 const vector signed short v_temp##i = \
941 vec_mladd(v_tempBluredAss##i, \
942 vsint16_3, v_srcAss##i); \
943 const vector signed short v_temp2##i = \
944 vec_add(v_temp##i, vsint16_2); \
945 v_tempBluredAss##i = vec_sr(v_temp2##i, (vector unsigned short)vsint16_2)
946
947 OP(0);
948 OP(1);
949 OP(2);
950 OP(3);
951 OP(4);
952 OP(5);
953 OP(6);
954 OP(7);
955 #undef OP
956 }
957 }
958
959 const vector signed char neg1 = vec_splat_s8(-1);
960 const vector unsigned char permHH = (const vector unsigned char)AVV(0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
961 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F);
962
963 #define PACK_AND_STORE(src, i) \
964 const vector unsigned char perms##src##i = \
965 vec_lvsr(i * stride, src); \
966 const vector unsigned char vf##src##i = \
967 vec_packsu(v_tempBluredAss##i, (vector signed short)zero); \
968 const vector unsigned char vg##src##i = \
969 vec_perm(vf##src##i, v_##src##A##i, permHH); \
970 const vector unsigned char mask##src##i = \
971 vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms##src##i); \
972 const vector unsigned char vg2##src##i = \
973 vec_perm(vg##src##i, vg##src##i, perms##src##i); \
974 const vector unsigned char svA##src##i = \
975 vec_sel(v_##src##A1##i, vg2##src##i, mask##src##i); \
976 const vector unsigned char svB##src##i = \
977 vec_sel(vg2##src##i, v_##src##A2##i, mask##src##i); \
978 vec_st(svA##src##i, i * stride, src); \
979 vec_st(svB##src##i, i * stride + 16, src)
980
981 PACK_AND_STORE(src, 0);
982 PACK_AND_STORE(src, 1);
983 PACK_AND_STORE(src, 2);
984 PACK_AND_STORE(src, 3);
985 PACK_AND_STORE(src, 4);
986 PACK_AND_STORE(src, 5);
987 PACK_AND_STORE(src, 6);
988 PACK_AND_STORE(src, 7);
989 PACK_AND_STORE(tempBlured, 0);
990 PACK_AND_STORE(tempBlured, 1);
991 PACK_AND_STORE(tempBlured, 2);
992 PACK_AND_STORE(tempBlured, 3);
993 PACK_AND_STORE(tempBlured, 4);
994 PACK_AND_STORE(tempBlured, 5);
995 PACK_AND_STORE(tempBlured, 6);
996 PACK_AND_STORE(tempBlured, 7);
997 #undef PACK_AND_STORE
998 }
999
1000 static inline void transpose_16x8_char_toPackedAlign_altivec(unsigned char* dst, unsigned char* src, int stride) {
1001 const vector unsigned char zero = vec_splat_u8(0);
1002
1003 #define LOAD_DOUBLE_LINE(i, j) \
1004 vector unsigned char perm1##i = vec_lvsl(i * stride, src); \
1005 vector unsigned char perm2##i = vec_lvsl(j * stride, src); \
1006 vector unsigned char srcA##i = vec_ld(i * stride, src); \
1007 vector unsigned char srcB##i = vec_ld(i * stride + 16, src); \
1008 vector unsigned char srcC##i = vec_ld(j * stride, src); \
1009 vector unsigned char srcD##i = vec_ld(j * stride+ 16, src); \
1010 vector unsigned char src##i = vec_perm(srcA##i, srcB##i, perm1##i); \
1011 vector unsigned char src##j = vec_perm(srcC##i, srcD##i, perm2##i)
1012
1013 LOAD_DOUBLE_LINE(0, 1);
1014 LOAD_DOUBLE_LINE(2, 3);
1015 LOAD_DOUBLE_LINE(4, 5);
1016 LOAD_DOUBLE_LINE(6, 7);
1017 #undef LOAD_DOUBLE_LINE
1018
1019 vector unsigned char tempA = vec_mergeh(src0, zero);
1020 vector unsigned char tempB = vec_mergel(src0, zero);
1021 vector unsigned char tempC = vec_mergeh(src1, zero);
1022 vector unsigned char tempD = vec_mergel(src1, zero);
1023 vector unsigned char tempE = vec_mergeh(src2, zero);
1024 vector unsigned char tempF = vec_mergel(src2, zero);
1025 vector unsigned char tempG = vec_mergeh(src3, zero);
1026 vector unsigned char tempH = vec_mergel(src3, zero);
1027 vector unsigned char tempI = vec_mergeh(src4, zero);
1028 vector unsigned char tempJ = vec_mergel(src4, zero);
1029 vector unsigned char tempK = vec_mergeh(src5, zero);
1030 vector unsigned char tempL = vec_mergel(src5, zero);
1031 vector unsigned char tempM = vec_mergeh(src6, zero);
1032 vector unsigned char tempN = vec_mergel(src6, zero);
1033 vector unsigned char tempO = vec_mergeh(src7, zero);
1034 vector unsigned char tempP = vec_mergel(src7, zero);
1035
1036 vector unsigned char temp0 = vec_mergeh(tempA, tempI);
1037 vector unsigned char temp1 = vec_mergel(tempA, tempI);
1038 vector unsigned char temp2 = vec_mergeh(tempB, tempJ);
1039 vector unsigned char temp3 = vec_mergel(tempB, tempJ);
1040 vector unsigned char temp4 = vec_mergeh(tempC, tempK);
1041 vector unsigned char temp5 = vec_mergel(tempC, tempK);
1042 vector unsigned char temp6 = vec_mergeh(tempD, tempL);
1043 vector unsigned char temp7 = vec_mergel(tempD, tempL);
1044 vector unsigned char temp8 = vec_mergeh(tempE, tempM);
1045 vector unsigned char temp9 = vec_mergel(tempE, tempM);
1046 vector unsigned char temp10 = vec_mergeh(tempF, tempN);
1047 vector unsigned char temp11 = vec_mergel(tempF, tempN);
1048 vector unsigned char temp12 = vec_mergeh(tempG, tempO);
1049 vector unsigned char temp13 = vec_mergel(tempG, tempO);
1050 vector unsigned char temp14 = vec_mergeh(tempH, tempP);
1051 vector unsigned char temp15 = vec_mergel(tempH, tempP);
1052
1053 tempA = vec_mergeh(temp0, temp8);
1054 tempB = vec_mergel(temp0, temp8);
1055 tempC = vec_mergeh(temp1, temp9);
1056 tempD = vec_mergel(temp1, temp9);
1057 tempE = vec_mergeh(temp2, temp10);
1058 tempF = vec_mergel(temp2, temp10);
1059 tempG = vec_mergeh(temp3, temp11);
1060 tempH = vec_mergel(temp3, temp11);
1061 tempI = vec_mergeh(temp4, temp12);
1062 tempJ = vec_mergel(temp4, temp12);
1063 tempK = vec_mergeh(temp5, temp13);
1064 tempL = vec_mergel(temp5, temp13);
1065 tempM = vec_mergeh(temp6, temp14);
1066 tempN = vec_mergel(temp6, temp14);
1067 tempO = vec_mergeh(temp7, temp15);
1068 tempP = vec_mergel(temp7, temp15);
1069
1070 temp0 = vec_mergeh(tempA, tempI);
1071 temp1 = vec_mergel(tempA, tempI);
1072 temp2 = vec_mergeh(tempB, tempJ);
1073 temp3 = vec_mergel(tempB, tempJ);
1074 temp4 = vec_mergeh(tempC, tempK);
1075 temp5 = vec_mergel(tempC, tempK);
1076 temp6 = vec_mergeh(tempD, tempL);
1077 temp7 = vec_mergel(tempD, tempL);
1078 temp8 = vec_mergeh(tempE, tempM);
1079 temp9 = vec_mergel(tempE, tempM);
1080 temp10 = vec_mergeh(tempF, tempN);
1081 temp11 = vec_mergel(tempF, tempN);
1082 temp12 = vec_mergeh(tempG, tempO);
1083 temp13 = vec_mergel(tempG, tempO);
1084 temp14 = vec_mergeh(tempH, tempP);
1085 temp15 = vec_mergel(tempH, tempP);
1086
1087 vec_st(temp0, 0, dst);
1088 vec_st(temp1, 16, dst);
1089 vec_st(temp2, 32, dst);
1090 vec_st(temp3, 48, dst);
1091 vec_st(temp4, 64, dst);
1092 vec_st(temp5, 80, dst);
1093 vec_st(temp6, 96, dst);
1094 vec_st(temp7, 112, dst);
1095 vec_st(temp8, 128, dst);
1096 vec_st(temp9, 144, dst);
1097 vec_st(temp10, 160, dst);
1098 vec_st(temp11, 176, dst);
1099 vec_st(temp12, 192, dst);
1100 vec_st(temp13, 208, dst);
1101 vec_st(temp14, 224, dst);
1102 vec_st(temp15, 240, dst);
1103 }
1104
1105 static inline void transpose_8x16_char_fromPackedAlign_altivec(unsigned char* dst, unsigned char* src, int stride) {
1106 const vector unsigned char zero = vec_splat_u8(0);
1107
1108 #define LOAD_DOUBLE_LINE(i, j) \
1109 vector unsigned char src##i = vec_ld(i * 16, src); \
1110 vector unsigned char src##j = vec_ld(j * 16, src)
1111
1112 LOAD_DOUBLE_LINE(0, 1);
1113 LOAD_DOUBLE_LINE(2, 3);
1114 LOAD_DOUBLE_LINE(4, 5);
1115 LOAD_DOUBLE_LINE(6, 7);
1116 LOAD_DOUBLE_LINE(8, 9);
1117 LOAD_DOUBLE_LINE(10, 11);
1118 LOAD_DOUBLE_LINE(12, 13);
1119 LOAD_DOUBLE_LINE(14, 15);
1120 #undef LOAD_DOUBLE_LINE
1121
1122 vector unsigned char tempA = vec_mergeh(src0, src8);
1123 vector unsigned char tempB;
1124 vector unsigned char tempC = vec_mergeh(src1, src9);
1125 vector unsigned char tempD;
1126 vector unsigned char tempE = vec_mergeh(src2, src10);
1127 vector unsigned char tempG = vec_mergeh(src3, src11);
1128 vector unsigned char tempI = vec_mergeh(src4, src12);
1129 vector unsigned char tempJ;
1130 vector unsigned char tempK = vec_mergeh(src5, src13);
1131 vector unsigned char tempL;
1132 vector unsigned char tempM = vec_mergeh(src6, src14);
1133 vector unsigned char tempO = vec_mergeh(src7, src15);
1134
1135 vector unsigned char temp0 = vec_mergeh(tempA, tempI);
1136 vector unsigned char temp1 = vec_mergel(tempA, tempI);
1137 vector unsigned char temp2;
1138 vector unsigned char temp3;
1139 vector unsigned char temp4 = vec_mergeh(tempC, tempK);
1140 vector unsigned char temp5 = vec_mergel(tempC, tempK);
1141 vector unsigned char temp6;
1142 vector unsigned char temp7;
1143 vector unsigned char temp8 = vec_mergeh(tempE, tempM);
1144 vector unsigned char temp9 = vec_mergel(tempE, tempM);
1145 vector unsigned char temp12 = vec_mergeh(tempG, tempO);
1146 vector unsigned char temp13 = vec_mergel(tempG, tempO);
1147
1148 tempA = vec_mergeh(temp0, temp8);
1149 tempB = vec_mergel(temp0, temp8);
1150 tempC = vec_mergeh(temp1, temp9);
1151 tempD = vec_mergel(temp1, temp9);
1152 tempI = vec_mergeh(temp4, temp12);
1153 tempJ = vec_mergel(temp4, temp12);
1154 tempK = vec_mergeh(temp5, temp13);
1155 tempL = vec_mergel(temp5, temp13);
1156
1157 temp0 = vec_mergeh(tempA, tempI);
1158 temp1 = vec_mergel(tempA, tempI);
1159 temp2 = vec_mergeh(tempB, tempJ);
1160 temp3 = vec_mergel(tempB, tempJ);
1161 temp4 = vec_mergeh(tempC, tempK);
1162 temp5 = vec_mergel(tempC, tempK);
1163 temp6 = vec_mergeh(tempD, tempL);
1164 temp7 = vec_mergel(tempD, tempL);
1165
1166
1167 const vector signed char neg1 = vec_splat_s8(-1);
1168 #define STORE_DOUBLE_LINE(i, j) \
1169 vector unsigned char dstA##i = vec_ld(i * stride, dst); \
1170 vector unsigned char dstB##i = vec_ld(i * stride + 16, dst); \
1171 vector unsigned char dstA##j = vec_ld(j * stride, dst); \
1172 vector unsigned char dstB##j = vec_ld(j * stride+ 16, dst); \
1173 vector unsigned char align##i = vec_lvsr(i * stride, dst); \
1174 vector unsigned char align##j = vec_lvsr(j * stride, dst); \
1175 vector unsigned char mask##i = vec_perm(zero, (vector unsigned char)neg1, align##i); \
1176 vector unsigned char mask##j = vec_perm(zero, (vector unsigned char)neg1, align##j); \
1177 vector unsigned char dstR##i = vec_perm(temp##i, temp##i, align##i); \
1178 vector unsigned char dstR##j = vec_perm(temp##j, temp##j, align##j); \
1179 vector unsigned char dstAF##i = vec_sel(dstA##i, dstR##i, mask##i); \
1180 vector unsigned char dstBF##i = vec_sel(dstR##i, dstB##i, mask##i); \
1181 vector unsigned char dstAF##j = vec_sel(dstA##j, dstR##j, mask##j); \
1182 vector unsigned char dstBF##j = vec_sel(dstR##j, dstB##j, mask##j); \
1183 vec_st(dstAF##i, i * stride, dst); \
1184 vec_st(dstBF##i, i * stride + 16, dst); \
1185 vec_st(dstAF##j, j * stride, dst); \
1186 vec_st(dstBF##j, j * stride + 16, dst)
1187
1188 STORE_DOUBLE_LINE(0,1);
1189 STORE_DOUBLE_LINE(2,3);
1190 STORE_DOUBLE_LINE(4,5);
1191 STORE_DOUBLE_LINE(6,7);
1192 }
Libav master