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e93ce7ef8f24d7791de80c3313a6597d5fe759cc
[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 #define ALTIVEC_TRANSPOSE_8x8_SHORT(src_a,src_b,src_c,src_d,src_e,src_f,src_g,src_h) \
26 do { \
27 __typeof__(src_a) tempA1, tempB1, tempC1, tempD1; \
28 __typeof__(src_a) tempE1, tempF1, tempG1, tempH1; \
29 __typeof__(src_a) tempA2, tempB2, tempC2, tempD2; \
30 __typeof__(src_a) tempE2, tempF2, tempG2, tempH2; \
31 tempA1 = vec_mergeh (src_a, src_e); \
32 tempB1 = vec_mergel (src_a, src_e); \
33 tempC1 = vec_mergeh (src_b, src_f); \
34 tempD1 = vec_mergel (src_b, src_f); \
35 tempE1 = vec_mergeh (src_c, src_g); \
36 tempF1 = vec_mergel (src_c, src_g); \
37 tempG1 = vec_mergeh (src_d, src_h); \
38 tempH1 = vec_mergel (src_d, src_h); \
39 tempA2 = vec_mergeh (tempA1, tempE1); \
40 tempB2 = vec_mergel (tempA1, tempE1); \
41 tempC2 = vec_mergeh (tempB1, tempF1); \
42 tempD2 = vec_mergel (tempB1, tempF1); \
43 tempE2 = vec_mergeh (tempC1, tempG1); \
44 tempF2 = vec_mergel (tempC1, tempG1); \
45 tempG2 = vec_mergeh (tempD1, tempH1); \
46 tempH2 = vec_mergel (tempD1, tempH1); \
47 src_a = vec_mergeh (tempA2, tempE2); \
48 src_b = vec_mergel (tempA2, tempE2); \
49 src_c = vec_mergeh (tempB2, tempF2); \
50 src_d = vec_mergel (tempB2, tempF2); \
51 src_e = vec_mergeh (tempC2, tempG2); \
52 src_f = vec_mergel (tempC2, tempG2); \
53 src_g = vec_mergeh (tempD2, tempH2); \
54 src_h = vec_mergel (tempD2, tempH2); \
55 } while (0)
56
57
58 static inline int vertClassify_altivec(uint8_t src[], int stride, PPContext *c) {
59 /*
60 this code makes no assumption on src or stride.
61 One could remove the recomputation of the perm
62 vector by assuming (stride % 16) == 0, unfortunately
63 this is not always true.
64 */
65 DECLARE_ALIGNED(16, short, data[8]);
66 int numEq;
67 uint8_t *src2 = src;
68 vector signed short v_dcOffset;
69 vector signed short v2QP;
70 vector unsigned short v4QP;
71 vector unsigned short v_dcThreshold;
72 const int properStride = (stride % 16);
73 const int srcAlign = ((unsigned long)src2 % 16);
74 const int two_vectors = ((srcAlign > 8) || properStride) ? 1 : 0;
75 const vector signed int zero = vec_splat_s32(0);
76 const vector signed short mask = vec_splat_s16(1);
77 vector signed int v_numEq = vec_splat_s32(0);
78
79 data[0] = ((c->nonBQP*c->ppMode.baseDcDiff)>>8) + 1;
80 data[1] = data[0] * 2 + 1;
81 data[2] = c->QP * 2;
82 data[3] = c->QP * 4;
83 vector signed short v_data = vec_ld(0, data);
84 v_dcOffset = vec_splat(v_data, 0);
85 v_dcThreshold = (vector unsigned short)vec_splat(v_data, 1);
86 v2QP = vec_splat(v_data, 2);
87 v4QP = (vector unsigned short)vec_splat(v_data, 3);
88
89 src2 += stride * 4;
90
91 vector signed short v_srcAss0, v_srcAss1, v_srcAss2, v_srcAss3, v_srcAss4, v_srcAss5, v_srcAss6, v_srcAss7;
92
93 #define LOAD_LINE(i) \
94 register int j##i = i * stride; \
95 vector unsigned char perm##i = vec_lvsl(j##i, src2); \
96 const vector unsigned char v_srcA1##i = vec_ld(j##i, src2); \
97 vector unsigned char v_srcA2##i; \
98 if (two_vectors) \
99 v_srcA2##i = vec_ld(j##i + 16, src2); \
100 const vector unsigned char v_srcA##i = \
101 vec_perm(v_srcA1##i, v_srcA2##i, perm##i); \
102 v_srcAss##i = \
103 (vector signed short)vec_mergeh((vector signed char)zero, \
104 (vector signed char)v_srcA##i)
105
106 #define LOAD_LINE_ALIGNED(i) \
107 register int j##i = i * stride; \
108 const vector unsigned char v_srcA##i = vec_ld(j##i, src2); \
109 v_srcAss##i = \
110 (vector signed short)vec_mergeh((vector signed char)zero, \
111 (vector signed char)v_srcA##i)
112
113 // special casing the aligned case is worthwhile, as all call from
114 // the (transposed) horizontable deblocks will be aligned, i naddition
115 // to the naturraly aligned vertical deblocks.
116 if (properStride && srcAlign) {
117 LOAD_LINE_ALIGNED(0);
118 LOAD_LINE_ALIGNED(1);
119 LOAD_LINE_ALIGNED(2);
120 LOAD_LINE_ALIGNED(3);
121 LOAD_LINE_ALIGNED(4);
122 LOAD_LINE_ALIGNED(5);
123 LOAD_LINE_ALIGNED(6);
124 LOAD_LINE_ALIGNED(7);
125 } else {
126 LOAD_LINE(0);
127 LOAD_LINE(1);
128 LOAD_LINE(2);
129 LOAD_LINE(3);
130 LOAD_LINE(4);
131 LOAD_LINE(5);
132 LOAD_LINE(6);
133 LOAD_LINE(7);
134 }
135 #undef LOAD_LINE
136 #undef LOAD_LINE_ALIGNED
137
138 #define ITER(i, j) \
139 const vector signed short v_diff##i = \
140 vec_sub(v_srcAss##i, v_srcAss##j); \
141 const vector signed short v_sum##i = \
142 vec_add(v_diff##i, v_dcOffset); \
143 const vector signed short v_comp##i = \
144 (vector signed short)vec_cmplt((vector unsigned short)v_sum##i, \
145 v_dcThreshold); \
146 const vector signed short v_part##i = vec_and(mask, v_comp##i); \
147 v_numEq = vec_sum4s(v_part##i, v_numEq);
148
149 ITER(0, 1);
150 ITER(1, 2);
151 ITER(2, 3);
152 ITER(3, 4);
153 ITER(4, 5);
154 ITER(5, 6);
155 ITER(6, 7);
156 #undef ITER
157
158 v_numEq = vec_sums(v_numEq, zero);
159
160 v_numEq = vec_splat(v_numEq, 3);
161 vec_ste(v_numEq, 0, &numEq);
162
163 if (numEq > c->ppMode.flatnessThreshold)
164 {
165 const vector unsigned char mmoP1 = (const vector unsigned char)
166 AVV(0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f,
167 0x00, 0x01, 0x12, 0x13, 0x08, 0x09, 0x1A, 0x1B);
168 const vector unsigned char mmoP2 = (const vector unsigned char)
169 AVV(0x04, 0x05, 0x16, 0x17, 0x0C, 0x0D, 0x1E, 0x1F,
170 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f);
171 const vector unsigned char mmoP = (const vector unsigned char)
172 vec_lvsl(8, (unsigned char*)0);
173
174 vector signed short mmoL1 = vec_perm(v_srcAss0, v_srcAss2, mmoP1);
175 vector signed short mmoL2 = vec_perm(v_srcAss4, v_srcAss6, mmoP2);
176 vector signed short mmoL = vec_perm(mmoL1, mmoL2, mmoP);
177 vector signed short mmoR1 = vec_perm(v_srcAss5, v_srcAss7, mmoP1);
178 vector signed short mmoR2 = vec_perm(v_srcAss1, v_srcAss3, mmoP2);
179 vector signed short mmoR = vec_perm(mmoR1, mmoR2, mmoP);
180 vector signed short mmoDiff = vec_sub(mmoL, mmoR);
181 vector unsigned short mmoSum = (vector unsigned short)vec_add(mmoDiff, v2QP);
182
183 if (vec_any_gt(mmoSum, v4QP))
184 return 0;
185 else
186 return 1;
187 }
188 else return 2;
189 }
190
191 static inline void doVertLowPass_altivec(uint8_t *src, int stride, PPContext *c) {
192 /*
193 this code makes no assumption on src or stride.
194 One could remove the recomputation of the perm
195 vector by assuming (stride % 16) == 0, unfortunately
196 this is not always true. Quite a lot of load/stores
197 can be removed by assuming proper alignment of
198 src & stride :-(
199 */
200 uint8_t *src2 = src;
201 const vector signed int zero = vec_splat_s32(0);
202 const int properStride = (stride % 16);
203 const int srcAlign = ((unsigned long)src2 % 16);
204 DECLARE_ALIGNED(16, short, qp[8]);
205 qp[0] = c->QP;
206 vector signed short vqp = vec_ld(0, qp);
207 vqp = vec_splat(vqp, 0);
208
209 src2 += stride*3;
210
211 vector signed short vb0, vb1, vb2, vb3, vb4, vb5, vb6, vb7, vb8, vb9;
212 vector unsigned char vbA0, vbA1, vbA2, vbA3, vbA4, vbA5, vbA6, vbA7, vbA8, vbA9;
213 vector unsigned char vbB0, vbB1, vbB2, vbB3, vbB4, vbB5, vbB6, vbB7, vbB8, vbB9;
214 vector unsigned char vbT0, vbT1, vbT2, vbT3, vbT4, vbT5, vbT6, vbT7, vbT8, vbT9;
215
216 #define LOAD_LINE(i) \
217 const vector unsigned char perml##i = \
218 vec_lvsl(i * stride, src2); \
219 vbA##i = vec_ld(i * stride, src2); \
220 vbB##i = vec_ld(i * stride + 16, src2); \
221 vbT##i = vec_perm(vbA##i, vbB##i, perml##i); \
222 vb##i = \
223 (vector signed short)vec_mergeh((vector unsigned char)zero, \
224 (vector unsigned char)vbT##i)
225
226 #define LOAD_LINE_ALIGNED(i) \
227 register int j##i = i * stride; \
228 vbT##i = vec_ld(j##i, src2); \
229 vb##i = \
230 (vector signed short)vec_mergeh((vector signed char)zero, \
231 (vector signed char)vbT##i)
232
233 // special casing the aligned case is worthwhile, as all call from
234 // the (transposed) horizontable deblocks will be aligned, in addition
235 // to the naturraly aligned vertical deblocks.
236 if (properStride && srcAlign) {
237 LOAD_LINE_ALIGNED(0);
238 LOAD_LINE_ALIGNED(1);
239 LOAD_LINE_ALIGNED(2);
240 LOAD_LINE_ALIGNED(3);
241 LOAD_LINE_ALIGNED(4);
242 LOAD_LINE_ALIGNED(5);
243 LOAD_LINE_ALIGNED(6);
244 LOAD_LINE_ALIGNED(7);
245 LOAD_LINE_ALIGNED(8);
246 LOAD_LINE_ALIGNED(9);
247 } else {
248 LOAD_LINE(0);
249 LOAD_LINE(1);
250 LOAD_LINE(2);
251 LOAD_LINE(3);
252 LOAD_LINE(4);
253 LOAD_LINE(5);
254 LOAD_LINE(6);
255 LOAD_LINE(7);
256 LOAD_LINE(8);
257 LOAD_LINE(9);
258 }
259 #undef LOAD_LINE
260 #undef LOAD_LINE_ALIGNED
261
262 const vector unsigned short v_2 = vec_splat_u16(2);
263 const vector unsigned short v_4 = vec_splat_u16(4);
264
265 const vector signed short v_diff01 = vec_sub(vb0, vb1);
266 const vector unsigned short v_cmp01 =
267 (const vector unsigned short) vec_cmplt(vec_abs(v_diff01), vqp);
268 const vector signed short v_first = vec_sel(vb1, vb0, v_cmp01);
269 const vector signed short v_diff89 = vec_sub(vb8, vb9);
270 const vector unsigned short v_cmp89 =
271 (const vector unsigned short) vec_cmplt(vec_abs(v_diff89), vqp);
272 const vector signed short v_last = vec_sel(vb8, vb9, v_cmp89);
273
274 const vector signed short temp01 = vec_mladd(v_first, (vector signed short)v_4, vb1);
275 const vector signed short temp02 = vec_add(vb2, vb3);
276 const vector signed short temp03 = vec_add(temp01, (vector signed short)v_4);
277 const vector signed short v_sumsB0 = vec_add(temp02, temp03);
278
279 const vector signed short temp11 = vec_sub(v_sumsB0, v_first);
280 const vector signed short v_sumsB1 = vec_add(temp11, vb4);
281
282 const vector signed short temp21 = vec_sub(v_sumsB1, v_first);
283 const vector signed short v_sumsB2 = vec_add(temp21, vb5);
284
285 const vector signed short temp31 = vec_sub(v_sumsB2, v_first);
286 const vector signed short v_sumsB3 = vec_add(temp31, vb6);
287
288 const vector signed short temp41 = vec_sub(v_sumsB3, v_first);
289 const vector signed short v_sumsB4 = vec_add(temp41, vb7);
290
291 const vector signed short temp51 = vec_sub(v_sumsB4, vb1);
292 const vector signed short v_sumsB5 = vec_add(temp51, vb8);
293
294 const vector signed short temp61 = vec_sub(v_sumsB5, vb2);
295 const vector signed short v_sumsB6 = vec_add(temp61, v_last);
296
297 const vector signed short temp71 = vec_sub(v_sumsB6, vb3);
298 const vector signed short v_sumsB7 = vec_add(temp71, v_last);
299
300 const vector signed short temp81 = vec_sub(v_sumsB7, vb4);
301 const vector signed short v_sumsB8 = vec_add(temp81, v_last);
302
303 const vector signed short temp91 = vec_sub(v_sumsB8, vb5);
304 const vector signed short v_sumsB9 = vec_add(temp91, v_last);
305
306 #define COMPUTE_VR(i, j, k) \
307 const vector signed short temps1##i = \
308 vec_add(v_sumsB##i, v_sumsB##k); \
309 const vector signed short temps2##i = \
310 vec_mladd(vb##j, (vector signed short)v_2, temps1##i); \
311 const vector signed short vr##j = vec_sra(temps2##i, v_4)
312
313 COMPUTE_VR(0, 1, 2);
314 COMPUTE_VR(1, 2, 3);
315 COMPUTE_VR(2, 3, 4);
316 COMPUTE_VR(3, 4, 5);
317 COMPUTE_VR(4, 5, 6);
318 COMPUTE_VR(5, 6, 7);
319 COMPUTE_VR(6, 7, 8);
320 COMPUTE_VR(7, 8, 9);
321
322 const vector signed char neg1 = vec_splat_s8(-1);
323 const vector unsigned char permHH = (const vector unsigned char)AVV(0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
324 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F);
325
326 #define PACK_AND_STORE(i) \
327 const vector unsigned char perms##i = \
328 vec_lvsr(i * stride, src2); \
329 const vector unsigned char vf##i = \
330 vec_packsu(vr##i, (vector signed short)zero); \
331 const vector unsigned char vg##i = \
332 vec_perm(vf##i, vbT##i, permHH); \
333 const vector unsigned char mask##i = \
334 vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms##i); \
335 const vector unsigned char vg2##i = \
336 vec_perm(vg##i, vg##i, perms##i); \
337 const vector unsigned char svA##i = \
338 vec_sel(vbA##i, vg2##i, mask##i); \
339 const vector unsigned char svB##i = \
340 vec_sel(vg2##i, vbB##i, mask##i); \
341 vec_st(svA##i, i * stride, src2); \
342 vec_st(svB##i, i * stride + 16, src2)
343
344 #define PACK_AND_STORE_ALIGNED(i) \
345 const vector unsigned char vf##i = \
346 vec_packsu(vr##i, (vector signed short)zero); \
347 const vector unsigned char vg##i = \
348 vec_perm(vf##i, vbT##i, permHH); \
349 vec_st(vg##i, i * stride, src2)
350
351 // special casing the aligned case is worthwhile, as all call from
352 // the (transposed) horizontable deblocks will be aligned, in addition
353 // to the naturraly aligned vertical deblocks.
354 if (properStride && srcAlign) {
355 PACK_AND_STORE_ALIGNED(1);
356 PACK_AND_STORE_ALIGNED(2);
357 PACK_AND_STORE_ALIGNED(3);
358 PACK_AND_STORE_ALIGNED(4);
359 PACK_AND_STORE_ALIGNED(5);
360 PACK_AND_STORE_ALIGNED(6);
361 PACK_AND_STORE_ALIGNED(7);
362 PACK_AND_STORE_ALIGNED(8);
363 } else {
364 PACK_AND_STORE(1);
365 PACK_AND_STORE(2);
366 PACK_AND_STORE(3);
367 PACK_AND_STORE(4);
368 PACK_AND_STORE(5);
369 PACK_AND_STORE(6);
370 PACK_AND_STORE(7);
371 PACK_AND_STORE(8);
372 }
373 #undef PACK_AND_STORE
374 #undef PACK_AND_STORE_ALIGNED
375 }
376
377
378
379 static inline void doVertDefFilter_altivec(uint8_t src[], int stride, PPContext *c) {
380 /*
381 this code makes no assumption on src or stride.
382 One could remove the recomputation of the perm
383 vector by assuming (stride % 16) == 0, unfortunately
384 this is not always true. Quite a lot of load/stores
385 can be removed by assuming proper alignment of
386 src & stride :-(
387 */
388 uint8_t *src2 = src;
389 const vector signed int zero = vec_splat_s32(0);
390 DECLARE_ALIGNED(16, short, qp[8]);
391 qp[0] = 8*c->QP;
392 vector signed short vqp = vec_ld(0, qp);
393 vqp = vec_splat(vqp, 0);
394
395 #define LOAD_LINE(i) \
396 const vector unsigned char perm##i = \
397 vec_lvsl(i * stride, src2); \
398 const vector unsigned char vbA##i = \
399 vec_ld(i * stride, src2); \
400 const vector unsigned char vbB##i = \
401 vec_ld(i * stride + 16, src2); \
402 const vector unsigned char vbT##i = \
403 vec_perm(vbA##i, vbB##i, perm##i); \
404 const vector signed short vb##i = \
405 (vector signed short)vec_mergeh((vector unsigned char)zero, \
406 (vector unsigned char)vbT##i)
407
408 src2 += stride*3;
409
410 LOAD_LINE(1);
411 LOAD_LINE(2);
412 LOAD_LINE(3);
413 LOAD_LINE(4);
414 LOAD_LINE(5);
415 LOAD_LINE(6);
416 LOAD_LINE(7);
417 LOAD_LINE(8);
418 #undef LOAD_LINE
419
420 const vector signed short v_1 = vec_splat_s16(1);
421 const vector signed short v_2 = vec_splat_s16(2);
422 const vector signed short v_5 = vec_splat_s16(5);
423 const vector signed short v_32 = vec_sl(v_1,
424 (vector unsigned short)v_5);
425 /* middle energy */
426 const vector signed short l3minusl6 = vec_sub(vb3, vb6);
427 const vector signed short l5minusl4 = vec_sub(vb5, vb4);
428 const vector signed short twotimes_l3minusl6 = vec_mladd(v_2, l3minusl6, (vector signed short)zero);
429 const vector signed short mE = vec_mladd(v_5, l5minusl4, twotimes_l3minusl6);
430 const vector signed short absmE = vec_abs(mE);
431 /* left & right energy */
432 const vector signed short l1minusl4 = vec_sub(vb1, vb4);
433 const vector signed short l3minusl2 = vec_sub(vb3, vb2);
434 const vector signed short l5minusl8 = vec_sub(vb5, vb8);
435 const vector signed short l7minusl6 = vec_sub(vb7, vb6);
436 const vector signed short twotimes_l1minusl4 = vec_mladd(v_2, l1minusl4, (vector signed short)zero);
437 const vector signed short twotimes_l5minusl8 = vec_mladd(v_2, l5minusl8, (vector signed short)zero);
438 const vector signed short lE = vec_mladd(v_5, l3minusl2, twotimes_l1minusl4);
439 const vector signed short rE = vec_mladd(v_5, l7minusl6, twotimes_l5minusl8);
440 /* d */
441 const vector signed short ddiff = vec_sub(absmE,
442 vec_min(vec_abs(lE),
443 vec_abs(rE)));
444 const vector signed short ddiffclamp = vec_max(ddiff, (vector signed short)zero);
445 const vector signed short dtimes64 = vec_mladd(v_5, ddiffclamp, v_32);
446 const vector signed short d = vec_sra(dtimes64, vec_splat_u16(6));
447 const vector signed short minusd = vec_sub((vector signed short)zero, d);
448 const vector signed short finald = vec_sel(minusd,
449 d,
450 vec_cmpgt(vec_sub((vector signed short)zero, mE),
451 (vector signed short)zero));
452 /* q */
453 const vector signed short qtimes2 = vec_sub(vb4, vb5);
454 /* for a shift right to behave like /2, we need to add one
455 to all negative integer */
456 const vector signed short rounddown = vec_sel((vector signed short)zero,
457 v_1,
458 vec_cmplt(qtimes2, (vector signed short)zero));
459 const vector signed short q = vec_sra(vec_add(qtimes2, rounddown), vec_splat_u16(1));
460 /* clamp */
461 const vector signed short dclamp_P1 = vec_max((vector signed short)zero, finald);
462 const vector signed short dclamp_P = vec_min(dclamp_P1, q);
463 const vector signed short dclamp_N1 = vec_min((vector signed short)zero, finald);
464 const vector signed short dclamp_N = vec_max(dclamp_N1, q);
465
466 const vector signed short dclampedfinal = vec_sel(dclamp_N,
467 dclamp_P,
468 vec_cmpgt(q, (vector signed short)zero));
469 const vector signed short dornotd = vec_sel((vector signed short)zero,
470 dclampedfinal,
471 vec_cmplt(absmE, vqp));
472 /* add/subtract to l4 and l5 */
473 const vector signed short vb4minusd = vec_sub(vb4, dornotd);
474 const vector signed short vb5plusd = vec_add(vb5, dornotd);
475 /* finally, stores */
476 const vector unsigned char st4 = vec_packsu(vb4minusd, (vector signed short)zero);
477 const vector unsigned char st5 = vec_packsu(vb5plusd, (vector signed short)zero);
478
479 const vector signed char neg1 = vec_splat_s8(-1);
480 const vector unsigned char permHH = (const vector unsigned char)AVV(0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
481 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F);
482
483 #define STORE(i) \
484 const vector unsigned char perms##i = \
485 vec_lvsr(i * stride, src2); \
486 const vector unsigned char vg##i = \
487 vec_perm(st##i, vbT##i, permHH); \
488 const vector unsigned char mask##i = \
489 vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms##i); \
490 const vector unsigned char vg2##i = \
491 vec_perm(vg##i, vg##i, perms##i); \
492 const vector unsigned char svA##i = \
493 vec_sel(vbA##i, vg2##i, mask##i); \
494 const vector unsigned char svB##i = \
495 vec_sel(vg2##i, vbB##i, mask##i); \
496 vec_st(svA##i, i * stride, src2); \
497 vec_st(svB##i, i * stride + 16, src2)
498
499 STORE(4);
500 STORE(5);
501 }
502
503 static inline void dering_altivec(uint8_t src[], int stride, PPContext *c) {
504 /*
505 this code makes no assumption on src or stride.
506 One could remove the recomputation of the perm
507 vector by assuming (stride % 16) == 0, unfortunately
508 this is not always true. Quite a lot of load/stores
509 can be removed by assuming proper alignment of
510 src & stride :-(
511 */
512 uint8_t *srcCopy = src;
513 DECLARE_ALIGNED(16, uint8_t, dt[16]);
514 const vector signed int zero = vec_splat_s32(0);
515 vector unsigned char v_dt;
516 dt[0] = deringThreshold;
517 v_dt = vec_splat(vec_ld(0, dt), 0);
518
519 #define LOAD_LINE(i) \
520 const vector unsigned char perm##i = \
521 vec_lvsl(i * stride, srcCopy); \
522 vector unsigned char sA##i = vec_ld(i * stride, srcCopy); \
523 vector unsigned char sB##i = vec_ld(i * stride + 16, srcCopy); \
524 vector unsigned char src##i = vec_perm(sA##i, sB##i, perm##i)
525
526 LOAD_LINE(0);
527 LOAD_LINE(1);
528 LOAD_LINE(2);
529 LOAD_LINE(3);
530 LOAD_LINE(4);
531 LOAD_LINE(5);
532 LOAD_LINE(6);
533 LOAD_LINE(7);
534 LOAD_LINE(8);
535 LOAD_LINE(9);
536 #undef LOAD_LINE
537
538 vector unsigned char v_avg;
539 {
540 const vector unsigned char trunc_perm = (vector unsigned char)
541 AVV(0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
542 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18);
543 const vector unsigned char trunc_src12 = vec_perm(src1, src2, trunc_perm);
544 const vector unsigned char trunc_src34 = vec_perm(src3, src4, trunc_perm);
545 const vector unsigned char trunc_src56 = vec_perm(src5, src6, trunc_perm);
546 const vector unsigned char trunc_src78 = vec_perm(src7, src8, trunc_perm);
547
548 #define EXTRACT(op) do { \
549 const vector unsigned char s##op##_1 = vec_##op(trunc_src12, trunc_src34); \
550 const vector unsigned char s##op##_2 = vec_##op(trunc_src56, trunc_src78); \
551 const vector unsigned char s##op##_6 = vec_##op(s##op##_1, s##op##_2); \
552 const vector unsigned char s##op##_8h = vec_mergeh(s##op##_6, s##op##_6); \
553 const vector unsigned char s##op##_8l = vec_mergel(s##op##_6, s##op##_6); \
554 const vector unsigned char s##op##_9 = vec_##op(s##op##_8h, s##op##_8l); \
555 const vector unsigned char s##op##_9h = vec_mergeh(s##op##_9, s##op##_9); \
556 const vector unsigned char s##op##_9l = vec_mergel(s##op##_9, s##op##_9); \
557 const vector unsigned char s##op##_10 = vec_##op(s##op##_9h, s##op##_9l); \
558 const vector unsigned char s##op##_10h = vec_mergeh(s##op##_10, s##op##_10); \
559 const vector unsigned char s##op##_10l = vec_mergel(s##op##_10, s##op##_10); \
560 const vector unsigned char s##op##_11 = vec_##op(s##op##_10h, s##op##_10l); \
561 const vector unsigned char s##op##_11h = vec_mergeh(s##op##_11, s##op##_11); \
562 const vector unsigned char s##op##_11l = vec_mergel(s##op##_11, s##op##_11); \
563 v_##op = vec_##op(s##op##_11h, s##op##_11l); } while (0)
564
565 vector unsigned char v_min;
566 vector unsigned char v_max;
567 EXTRACT(min);
568 EXTRACT(max);
569 #undef EXTRACT
570
571 if (vec_all_lt(vec_sub(v_max, v_min), v_dt))
572 return;
573
574 v_avg = vec_avg(v_min, v_max);
575 }
576
577 DECLARE_ALIGNED(16, signed int, S[8]);
578 {
579 const vector unsigned short mask1 = (vector unsigned short)
580 AVV(0x0001, 0x0002, 0x0004, 0x0008,
581 0x0010, 0x0020, 0x0040, 0x0080);
582 const vector unsigned short mask2 = (vector unsigned short)
583 AVV(0x0100, 0x0200, 0x0000, 0x0000,
584 0x0000, 0x0000, 0x0000, 0x0000);
585
586 const vector unsigned int vuint32_16 = vec_sl(vec_splat_u32(1), vec_splat_u32(4));
587 const vector unsigned int vuint32_1 = vec_splat_u32(1);
588
589 #define COMPARE(i) \
590 vector signed int sum##i; \
591 do { \
592 const vector unsigned char cmp##i = \
593 (vector unsigned char)vec_cmpgt(src##i, v_avg); \
594 const vector unsigned short cmpHi##i = \
595 (vector unsigned short)vec_mergeh(cmp##i, cmp##i); \
596 const vector unsigned short cmpLi##i = \
597 (vector unsigned short)vec_mergel(cmp##i, cmp##i); \
598 const vector signed short cmpHf##i = \
599 (vector signed short)vec_and(cmpHi##i, mask1); \
600 const vector signed short cmpLf##i = \
601 (vector signed short)vec_and(cmpLi##i, mask2); \
602 const vector signed int sump##i = vec_sum4s(cmpHf##i, zero); \
603 const vector signed int sumq##i = vec_sum4s(cmpLf##i, sump##i); \
604 sum##i = vec_sums(sumq##i, zero); } while (0)
605
606 COMPARE(0);
607 COMPARE(1);
608 COMPARE(2);
609 COMPARE(3);
610 COMPARE(4);
611 COMPARE(5);
612 COMPARE(6);
613 COMPARE(7);
614 COMPARE(8);
615 COMPARE(9);
616 #undef COMPARE
617
618 vector signed int sumA2;
619 vector signed int sumB2;
620 {
621 const vector signed int sump02 = vec_mergel(sum0, sum2);
622 const vector signed int sump13 = vec_mergel(sum1, sum3);
623 const vector signed int sumA = vec_mergel(sump02, sump13);
624
625 const vector signed int sump46 = vec_mergel(sum4, sum6);
626 const vector signed int sump57 = vec_mergel(sum5, sum7);
627 const vector signed int sumB = vec_mergel(sump46, sump57);
628
629 const vector signed int sump8A = vec_mergel(sum8, zero);
630 const vector signed int sump9B = vec_mergel(sum9, zero);
631 const vector signed int sumC = vec_mergel(sump8A, sump9B);
632
633 const vector signed int tA = vec_sl(vec_nor(zero, sumA), vuint32_16);
634 const vector signed int tB = vec_sl(vec_nor(zero, sumB), vuint32_16);
635 const vector signed int tC = vec_sl(vec_nor(zero, sumC), vuint32_16);
636 const vector signed int t2A = vec_or(sumA, tA);
637 const vector signed int t2B = vec_or(sumB, tB);
638 const vector signed int t2C = vec_or(sumC, tC);
639 const vector signed int t3A = vec_and(vec_sra(t2A, vuint32_1),
640 vec_sl(t2A, vuint32_1));
641 const vector signed int t3B = vec_and(vec_sra(t2B, vuint32_1),
642 vec_sl(t2B, vuint32_1));
643 const vector signed int t3C = vec_and(vec_sra(t2C, vuint32_1),
644 vec_sl(t2C, vuint32_1));
645 const vector signed int yA = vec_and(t2A, t3A);
646 const vector signed int yB = vec_and(t2B, t3B);
647 const vector signed int yC = vec_and(t2C, t3C);
648
649 const vector unsigned char strangeperm1 = vec_lvsl(4, (unsigned char*)0);
650 const vector unsigned char strangeperm2 = vec_lvsl(8, (unsigned char*)0);
651 const vector signed int sumAd4 = vec_perm(yA, yB, strangeperm1);
652 const vector signed int sumAd8 = vec_perm(yA, yB, strangeperm2);
653 const vector signed int sumBd4 = vec_perm(yB, yC, strangeperm1);
654 const vector signed int sumBd8 = vec_perm(yB, yC, strangeperm2);
655 const vector signed int sumAp = vec_and(yA,
656 vec_and(sumAd4,sumAd8));
657 const vector signed int sumBp = vec_and(yB,
658 vec_and(sumBd4,sumBd8));
659 sumA2 = vec_or(sumAp,
660 vec_sra(sumAp,
661 vuint32_16));
662 sumB2 = vec_or(sumBp,
663 vec_sra(sumBp,
664 vuint32_16));
665 }
666 vec_st(sumA2, 0, S);
667 vec_st(sumB2, 16, S);
668 }
669
670 /* I'm not sure the following is actually faster
671 than straight, unvectorized C code :-( */
672
673 DECLARE_ALIGNED(16, int, tQP2[4]);
674 tQP2[0]= c->QP/2 + 1;
675 vector signed int vQP2 = vec_ld(0, tQP2);
676 vQP2 = vec_splat(vQP2, 0);
677 const vector signed int vsint32_8 = vec_splat_s32(8);
678 const vector unsigned int vuint32_4 = vec_splat_u32(4);
679
680 const vector unsigned char permA1 = (vector unsigned char)
681 AVV(0x00, 0x01, 0x02, 0x10, 0x11, 0x12, 0x1F, 0x1F,
682 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F);
683 const vector unsigned char permA2 = (vector unsigned char)
684 AVV(0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x10, 0x11,
685 0x12, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F);
686 const vector unsigned char permA1inc = (vector unsigned char)
687 AVV(0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00,
688 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
689 const vector unsigned char permA2inc = (vector unsigned char)
690 AVV(0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01,
691 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
692 const vector unsigned char magic = (vector unsigned char)
693 AVV(0x01, 0x02, 0x01, 0x02, 0x04, 0x02, 0x01, 0x02,
694 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
695 const vector unsigned char extractPerm = (vector unsigned char)
696 AVV(0x10, 0x10, 0x10, 0x01, 0x10, 0x10, 0x10, 0x01,
697 0x10, 0x10, 0x10, 0x01, 0x10, 0x10, 0x10, 0x01);
698 const vector unsigned char extractPermInc = (vector unsigned char)
699 AVV(0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01,
700 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01);
701 const vector unsigned char identity = vec_lvsl(0,(unsigned char *)0);
702 const vector unsigned char tenRight = (vector unsigned char)
703 AVV(0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
704 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
705 const vector unsigned char eightLeft = (vector unsigned char)
706 AVV(0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
707 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08);
708
709
710 #define F_INIT(i) \
711 vector unsigned char tenRightM##i = tenRight; \
712 vector unsigned char permA1M##i = permA1; \
713 vector unsigned char permA2M##i = permA2; \
714 vector unsigned char extractPermM##i = extractPerm
715
716 #define F2(i, j, k, l) \
717 if (S[i] & (1 << (l+1))) { \
718 const vector unsigned char a_##j##_A##l = \
719 vec_perm(src##i, src##j, permA1M##i); \
720 const vector unsigned char a_##j##_B##l = \
721 vec_perm(a_##j##_A##l, src##k, permA2M##i); \
722 const vector signed int a_##j##_sump##l = \
723 (vector signed int)vec_msum(a_##j##_B##l, magic, \
724 (vector unsigned int)zero); \
725 vector signed int F_##j##_##l = \
726 vec_sr(vec_sums(a_##j##_sump##l, vsint32_8), vuint32_4); \
727 F_##j##_##l = vec_splat(F_##j##_##l, 3); \
728 const vector signed int p_##j##_##l = \
729 (vector signed int)vec_perm(src##j, \
730 (vector unsigned char)zero, \
731 extractPermM##i); \
732 const vector signed int sum_##j##_##l = vec_add( p_##j##_##l, vQP2);\
733 const vector signed int diff_##j##_##l = vec_sub( p_##j##_##l, vQP2);\
734 vector signed int newpm_##j##_##l; \
735 if (vec_all_lt(sum_##j##_##l, F_##j##_##l)) \
736 newpm_##j##_##l = sum_##j##_##l; \
737 else if (vec_all_gt(diff_##j##_##l, F_##j##_##l)) \
738 newpm_##j##_##l = diff_##j##_##l; \
739 else newpm_##j##_##l = F_##j##_##l; \
740 const vector unsigned char newpm2_##j##_##l = \
741 vec_splat((vector unsigned char)newpm_##j##_##l, 15); \
742 const vector unsigned char mask##j##l = vec_add(identity, \
743 tenRightM##i); \
744 src##j = vec_perm(src##j, newpm2_##j##_##l, mask##j##l); \
745 } \
746 permA1M##i = vec_add(permA1M##i, permA1inc); \
747 permA2M##i = vec_add(permA2M##i, permA2inc); \
748 tenRightM##i = vec_sro(tenRightM##i, eightLeft); \
749 extractPermM##i = vec_add(extractPermM##i, extractPermInc)
750
751 #define ITER(i, j, k) \
752 F_INIT(i); \
753 F2(i, j, k, 0); \
754 F2(i, j, k, 1); \
755 F2(i, j, k, 2); \
756 F2(i, j, k, 3); \
757 F2(i, j, k, 4); \
758 F2(i, j, k, 5); \
759 F2(i, j, k, 6); \
760 F2(i, j, k, 7)
761
762 ITER(0, 1, 2);
763 ITER(1, 2, 3);
764 ITER(2, 3, 4);
765 ITER(3, 4, 5);
766 ITER(4, 5, 6);
767 ITER(5, 6, 7);
768 ITER(6, 7, 8);
769 ITER(7, 8, 9);
770
771 const vector signed char neg1 = vec_splat_s8(-1);
772
773 #define STORE_LINE(i) \
774 const vector unsigned char permST##i = \
775 vec_lvsr(i * stride, srcCopy); \
776 const vector unsigned char maskST##i = \
777 vec_perm((vector unsigned char)zero, \
778 (vector unsigned char)neg1, permST##i); \
779 src##i = vec_perm(src##i ,src##i, permST##i); \
780 sA##i= vec_sel(sA##i, src##i, maskST##i); \
781 sB##i= vec_sel(src##i, sB##i, maskST##i); \
782 vec_st(sA##i, i * stride, srcCopy); \
783 vec_st(sB##i, i * stride + 16, srcCopy)
784
785 STORE_LINE(1);
786 STORE_LINE(2);
787 STORE_LINE(3);
788 STORE_LINE(4);
789 STORE_LINE(5);
790 STORE_LINE(6);
791 STORE_LINE(7);
792 STORE_LINE(8);
793
794 #undef STORE_LINE
795 #undef ITER
796 #undef F2
797 }
798
799 #define doHorizLowPass_altivec(a...) doHorizLowPass_C(a)
800 #define doHorizDefFilter_altivec(a...) doHorizDefFilter_C(a)
801 #define do_a_deblock_altivec(a...) do_a_deblock_C(a)
802
803 static inline void RENAME(tempNoiseReducer)(uint8_t *src, int stride,
804 uint8_t *tempBlured, uint32_t *tempBluredPast, int *maxNoise)
805 {
806 const vector signed int zero = vec_splat_s32(0);
807 const vector signed short vsint16_1 = vec_splat_s16(1);
808 vector signed int v_dp = zero;
809 vector signed int v_sysdp = zero;
810 int d, sysd, i;
811
812 tempBluredPast[127]= maxNoise[0];
813 tempBluredPast[128]= maxNoise[1];
814 tempBluredPast[129]= maxNoise[2];
815
816 #define LOAD_LINE(src, i) \
817 register int j##src##i = i * stride; \
818 vector unsigned char perm##src##i = vec_lvsl(j##src##i, src); \
819 const vector unsigned char v_##src##A1##i = vec_ld(j##src##i, src); \
820 const vector unsigned char v_##src##A2##i = vec_ld(j##src##i + 16, src); \
821 const vector unsigned char v_##src##A##i = \
822 vec_perm(v_##src##A1##i, v_##src##A2##i, perm##src##i); \
823 vector signed short v_##src##Ass##i = \
824 (vector signed short)vec_mergeh((vector signed char)zero, \
825 (vector signed char)v_##src##A##i)
826
827 LOAD_LINE(src, 0);
828 LOAD_LINE(src, 1);
829 LOAD_LINE(src, 2);
830 LOAD_LINE(src, 3);
831 LOAD_LINE(src, 4);
832 LOAD_LINE(src, 5);
833 LOAD_LINE(src, 6);
834 LOAD_LINE(src, 7);
835
836 LOAD_LINE(tempBlured, 0);
837 LOAD_LINE(tempBlured, 1);
838 LOAD_LINE(tempBlured, 2);
839 LOAD_LINE(tempBlured, 3);
840 LOAD_LINE(tempBlured, 4);
841 LOAD_LINE(tempBlured, 5);
842 LOAD_LINE(tempBlured, 6);
843 LOAD_LINE(tempBlured, 7);
844 #undef LOAD_LINE
845
846 #define ACCUMULATE_DIFFS(i) \
847 vector signed short v_d##i = vec_sub(v_tempBluredAss##i, \
848 v_srcAss##i); \
849 v_dp = vec_msums(v_d##i, v_d##i, v_dp); \
850 v_sysdp = vec_msums(v_d##i, vsint16_1, v_sysdp)
851
852 ACCUMULATE_DIFFS(0);
853 ACCUMULATE_DIFFS(1);
854 ACCUMULATE_DIFFS(2);
855 ACCUMULATE_DIFFS(3);
856 ACCUMULATE_DIFFS(4);
857 ACCUMULATE_DIFFS(5);
858 ACCUMULATE_DIFFS(6);
859 ACCUMULATE_DIFFS(7);
860 #undef ACCUMULATE_DIFFS
861
862 v_dp = vec_sums(v_dp, zero);
863 v_sysdp = vec_sums(v_sysdp, zero);
864
865 v_dp = vec_splat(v_dp, 3);
866 v_sysdp = vec_splat(v_sysdp, 3);
867
868 vec_ste(v_dp, 0, &d);
869 vec_ste(v_sysdp, 0, &sysd);
870
871 i = d;
872 d = (4*d
873 +(*(tempBluredPast-256))
874 +(*(tempBluredPast-1))+ (*(tempBluredPast+1))
875 +(*(tempBluredPast+256))
876 +4)>>3;
877
878 *tempBluredPast=i;
879
880 if (d > maxNoise[1]) {
881 if (d < maxNoise[2]) {
882 #define OP(i) v_tempBluredAss##i = vec_avg(v_tempBluredAss##i, v_srcAss##i);
883
884 OP(0);
885 OP(1);
886 OP(2);
887 OP(3);
888 OP(4);
889 OP(5);
890 OP(6);
891 OP(7);
892 #undef OP
893 } else {
894 #define OP(i) v_tempBluredAss##i = v_srcAss##i;
895
896 OP(0);
897 OP(1);
898 OP(2);
899 OP(3);
900 OP(4);
901 OP(5);
902 OP(6);
903 OP(7);
904 #undef OP
905 }
906 } else {
907 if (d < maxNoise[0]) {
908 const vector signed short vsint16_7 = vec_splat_s16(7);
909 const vector signed short vsint16_4 = vec_splat_s16(4);
910 const vector unsigned short vuint16_3 = vec_splat_u16(3);
911
912 #define OP(i) \
913 const vector signed short v_temp##i = \
914 vec_mladd(v_tempBluredAss##i, \
915 vsint16_7, v_srcAss##i); \
916 const vector signed short v_temp2##i = \
917 vec_add(v_temp##i, vsint16_4); \
918 v_tempBluredAss##i = vec_sr(v_temp2##i, vuint16_3)
919
920 OP(0);
921 OP(1);
922 OP(2);
923 OP(3);
924 OP(4);
925 OP(5);
926 OP(6);
927 OP(7);
928 #undef OP
929 } else {
930 const vector signed short vsint16_3 = vec_splat_s16(3);
931 const vector signed short vsint16_2 = vec_splat_s16(2);
932
933 #define OP(i) \
934 const vector signed short v_temp##i = \
935 vec_mladd(v_tempBluredAss##i, \
936 vsint16_3, v_srcAss##i); \
937 const vector signed short v_temp2##i = \
938 vec_add(v_temp##i, vsint16_2); \
939 v_tempBluredAss##i = vec_sr(v_temp2##i, (vector unsigned short)vsint16_2)
940
941 OP(0);
942 OP(1);
943 OP(2);
944 OP(3);
945 OP(4);
946 OP(5);
947 OP(6);
948 OP(7);
949 #undef OP
950 }
951 }
952
953 const vector signed char neg1 = vec_splat_s8(-1);
954 const vector unsigned char permHH = (const vector unsigned char)AVV(0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
955 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F);
956
957 #define PACK_AND_STORE(src, i) \
958 const vector unsigned char perms##src##i = \
959 vec_lvsr(i * stride, src); \
960 const vector unsigned char vf##src##i = \
961 vec_packsu(v_tempBluredAss##i, (vector signed short)zero); \
962 const vector unsigned char vg##src##i = \
963 vec_perm(vf##src##i, v_##src##A##i, permHH); \
964 const vector unsigned char mask##src##i = \
965 vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms##src##i); \
966 const vector unsigned char vg2##src##i = \
967 vec_perm(vg##src##i, vg##src##i, perms##src##i); \
968 const vector unsigned char svA##src##i = \
969 vec_sel(v_##src##A1##i, vg2##src##i, mask##src##i); \
970 const vector unsigned char svB##src##i = \
971 vec_sel(vg2##src##i, v_##src##A2##i, mask##src##i); \
972 vec_st(svA##src##i, i * stride, src); \
973 vec_st(svB##src##i, i * stride + 16, src)
974
975 PACK_AND_STORE(src, 0);
976 PACK_AND_STORE(src, 1);
977 PACK_AND_STORE(src, 2);
978 PACK_AND_STORE(src, 3);
979 PACK_AND_STORE(src, 4);
980 PACK_AND_STORE(src, 5);
981 PACK_AND_STORE(src, 6);
982 PACK_AND_STORE(src, 7);
983 PACK_AND_STORE(tempBlured, 0);
984 PACK_AND_STORE(tempBlured, 1);
985 PACK_AND_STORE(tempBlured, 2);
986 PACK_AND_STORE(tempBlured, 3);
987 PACK_AND_STORE(tempBlured, 4);
988 PACK_AND_STORE(tempBlured, 5);
989 PACK_AND_STORE(tempBlured, 6);
990 PACK_AND_STORE(tempBlured, 7);
991 #undef PACK_AND_STORE
992 }
993
994 static inline void transpose_16x8_char_toPackedAlign_altivec(unsigned char* dst, unsigned char* src, int stride) {
995 const vector unsigned char zero = vec_splat_u8(0);
996
997 #define LOAD_DOUBLE_LINE(i, j) \
998 vector unsigned char perm1##i = vec_lvsl(i * stride, src); \
999 vector unsigned char perm2##i = vec_lvsl(j * stride, src); \
1000 vector unsigned char srcA##i = vec_ld(i * stride, src); \
1001 vector unsigned char srcB##i = vec_ld(i * stride + 16, src); \
1002 vector unsigned char srcC##i = vec_ld(j * stride, src); \
1003 vector unsigned char srcD##i = vec_ld(j * stride+ 16, src); \
1004 vector unsigned char src##i = vec_perm(srcA##i, srcB##i, perm1##i); \
1005 vector unsigned char src##j = vec_perm(srcC##i, srcD##i, perm2##i)
1006
1007 LOAD_DOUBLE_LINE(0, 1);
1008 LOAD_DOUBLE_LINE(2, 3);
1009 LOAD_DOUBLE_LINE(4, 5);
1010 LOAD_DOUBLE_LINE(6, 7);
1011 #undef LOAD_DOUBLE_LINE
1012
1013 vector unsigned char tempA = vec_mergeh(src0, zero);
1014 vector unsigned char tempB = vec_mergel(src0, zero);
1015 vector unsigned char tempC = vec_mergeh(src1, zero);
1016 vector unsigned char tempD = vec_mergel(src1, zero);
1017 vector unsigned char tempE = vec_mergeh(src2, zero);
1018 vector unsigned char tempF = vec_mergel(src2, zero);
1019 vector unsigned char tempG = vec_mergeh(src3, zero);
1020 vector unsigned char tempH = vec_mergel(src3, zero);
1021 vector unsigned char tempI = vec_mergeh(src4, zero);
1022 vector unsigned char tempJ = vec_mergel(src4, zero);
1023 vector unsigned char tempK = vec_mergeh(src5, zero);
1024 vector unsigned char tempL = vec_mergel(src5, zero);
1025 vector unsigned char tempM = vec_mergeh(src6, zero);
1026 vector unsigned char tempN = vec_mergel(src6, zero);
1027 vector unsigned char tempO = vec_mergeh(src7, zero);
1028 vector unsigned char tempP = vec_mergel(src7, zero);
1029
1030 vector unsigned char temp0 = vec_mergeh(tempA, tempI);
1031 vector unsigned char temp1 = vec_mergel(tempA, tempI);
1032 vector unsigned char temp2 = vec_mergeh(tempB, tempJ);
1033 vector unsigned char temp3 = vec_mergel(tempB, tempJ);
1034 vector unsigned char temp4 = vec_mergeh(tempC, tempK);
1035 vector unsigned char temp5 = vec_mergel(tempC, tempK);
1036 vector unsigned char temp6 = vec_mergeh(tempD, tempL);
1037 vector unsigned char temp7 = vec_mergel(tempD, tempL);
1038 vector unsigned char temp8 = vec_mergeh(tempE, tempM);
1039 vector unsigned char temp9 = vec_mergel(tempE, tempM);
1040 vector unsigned char temp10 = vec_mergeh(tempF, tempN);
1041 vector unsigned char temp11 = vec_mergel(tempF, tempN);
1042 vector unsigned char temp12 = vec_mergeh(tempG, tempO);
1043 vector unsigned char temp13 = vec_mergel(tempG, tempO);
1044 vector unsigned char temp14 = vec_mergeh(tempH, tempP);
1045 vector unsigned char temp15 = vec_mergel(tempH, tempP);
1046
1047 tempA = vec_mergeh(temp0, temp8);
1048 tempB = vec_mergel(temp0, temp8);
1049 tempC = vec_mergeh(temp1, temp9);
1050 tempD = vec_mergel(temp1, temp9);
1051 tempE = vec_mergeh(temp2, temp10);
1052 tempF = vec_mergel(temp2, temp10);
1053 tempG = vec_mergeh(temp3, temp11);
1054 tempH = vec_mergel(temp3, temp11);
1055 tempI = vec_mergeh(temp4, temp12);
1056 tempJ = vec_mergel(temp4, temp12);
1057 tempK = vec_mergeh(temp5, temp13);
1058 tempL = vec_mergel(temp5, temp13);
1059 tempM = vec_mergeh(temp6, temp14);
1060 tempN = vec_mergel(temp6, temp14);
1061 tempO = vec_mergeh(temp7, temp15);
1062 tempP = vec_mergel(temp7, temp15);
1063
1064 temp0 = vec_mergeh(tempA, tempI);
1065 temp1 = vec_mergel(tempA, tempI);
1066 temp2 = vec_mergeh(tempB, tempJ);
1067 temp3 = vec_mergel(tempB, tempJ);
1068 temp4 = vec_mergeh(tempC, tempK);
1069 temp5 = vec_mergel(tempC, tempK);
1070 temp6 = vec_mergeh(tempD, tempL);
1071 temp7 = vec_mergel(tempD, tempL);
1072 temp8 = vec_mergeh(tempE, tempM);
1073 temp9 = vec_mergel(tempE, tempM);
1074 temp10 = vec_mergeh(tempF, tempN);
1075 temp11 = vec_mergel(tempF, tempN);
1076 temp12 = vec_mergeh(tempG, tempO);
1077 temp13 = vec_mergel(tempG, tempO);
1078 temp14 = vec_mergeh(tempH, tempP);
1079 temp15 = vec_mergel(tempH, tempP);
1080
1081 vec_st(temp0, 0, dst);
1082 vec_st(temp1, 16, dst);
1083 vec_st(temp2, 32, dst);
1084 vec_st(temp3, 48, dst);
1085 vec_st(temp4, 64, dst);
1086 vec_st(temp5, 80, dst);
1087 vec_st(temp6, 96, dst);
1088 vec_st(temp7, 112, dst);
1089 vec_st(temp8, 128, dst);
1090 vec_st(temp9, 144, dst);
1091 vec_st(temp10, 160, dst);
1092 vec_st(temp11, 176, dst);
1093 vec_st(temp12, 192, dst);
1094 vec_st(temp13, 208, dst);
1095 vec_st(temp14, 224, dst);
1096 vec_st(temp15, 240, dst);
1097 }
1098
1099 static inline void transpose_8x16_char_fromPackedAlign_altivec(unsigned char* dst, unsigned char* src, int stride) {
1100 const vector unsigned char zero = vec_splat_u8(0);
1101
1102 #define LOAD_DOUBLE_LINE(i, j) \
1103 vector unsigned char src##i = vec_ld(i * 16, src); \
1104 vector unsigned char src##j = vec_ld(j * 16, src)
1105
1106 LOAD_DOUBLE_LINE(0, 1);
1107 LOAD_DOUBLE_LINE(2, 3);
1108 LOAD_DOUBLE_LINE(4, 5);
1109 LOAD_DOUBLE_LINE(6, 7);
1110 LOAD_DOUBLE_LINE(8, 9);
1111 LOAD_DOUBLE_LINE(10, 11);
1112 LOAD_DOUBLE_LINE(12, 13);
1113 LOAD_DOUBLE_LINE(14, 15);
1114 #undef LOAD_DOUBLE_LINE
1115
1116 vector unsigned char tempA = vec_mergeh(src0, src8);
1117 vector unsigned char tempB;
1118 vector unsigned char tempC = vec_mergeh(src1, src9);
1119 vector unsigned char tempD;
1120 vector unsigned char tempE = vec_mergeh(src2, src10);
1121 vector unsigned char tempG = vec_mergeh(src3, src11);
1122 vector unsigned char tempI = vec_mergeh(src4, src12);
1123 vector unsigned char tempJ;
1124 vector unsigned char tempK = vec_mergeh(src5, src13);
1125 vector unsigned char tempL;
1126 vector unsigned char tempM = vec_mergeh(src6, src14);
1127 vector unsigned char tempO = vec_mergeh(src7, src15);
1128
1129 vector unsigned char temp0 = vec_mergeh(tempA, tempI);
1130 vector unsigned char temp1 = vec_mergel(tempA, tempI);
1131 vector unsigned char temp2;
1132 vector unsigned char temp3;
1133 vector unsigned char temp4 = vec_mergeh(tempC, tempK);
1134 vector unsigned char temp5 = vec_mergel(tempC, tempK);
1135 vector unsigned char temp6;
1136 vector unsigned char temp7;
1137 vector unsigned char temp8 = vec_mergeh(tempE, tempM);
1138 vector unsigned char temp9 = vec_mergel(tempE, tempM);
1139 vector unsigned char temp12 = vec_mergeh(tempG, tempO);
1140 vector unsigned char temp13 = vec_mergel(tempG, tempO);
1141
1142 tempA = vec_mergeh(temp0, temp8);
1143 tempB = vec_mergel(temp0, temp8);
1144 tempC = vec_mergeh(temp1, temp9);
1145 tempD = vec_mergel(temp1, temp9);
1146 tempI = vec_mergeh(temp4, temp12);
1147 tempJ = vec_mergel(temp4, temp12);
1148 tempK = vec_mergeh(temp5, temp13);
1149 tempL = vec_mergel(temp5, temp13);
1150
1151 temp0 = vec_mergeh(tempA, tempI);
1152 temp1 = vec_mergel(tempA, tempI);
1153 temp2 = vec_mergeh(tempB, tempJ);
1154 temp3 = vec_mergel(tempB, tempJ);
1155 temp4 = vec_mergeh(tempC, tempK);
1156 temp5 = vec_mergel(tempC, tempK);
1157 temp6 = vec_mergeh(tempD, tempL);
1158 temp7 = vec_mergel(tempD, tempL);
1159
1160
1161 const vector signed char neg1 = vec_splat_s8(-1);
1162 #define STORE_DOUBLE_LINE(i, j) \
1163 vector unsigned char dstA##i = vec_ld(i * stride, dst); \
1164 vector unsigned char dstB##i = vec_ld(i * stride + 16, dst); \
1165 vector unsigned char dstA##j = vec_ld(j * stride, dst); \
1166 vector unsigned char dstB##j = vec_ld(j * stride+ 16, dst); \
1167 vector unsigned char align##i = vec_lvsr(i * stride, dst); \
1168 vector unsigned char align##j = vec_lvsr(j * stride, dst); \
1169 vector unsigned char mask##i = vec_perm(zero, (vector unsigned char)neg1, align##i); \
1170 vector unsigned char mask##j = vec_perm(zero, (vector unsigned char)neg1, align##j); \
1171 vector unsigned char dstR##i = vec_perm(temp##i, temp##i, align##i); \
1172 vector unsigned char dstR##j = vec_perm(temp##j, temp##j, align##j); \
1173 vector unsigned char dstAF##i = vec_sel(dstA##i, dstR##i, mask##i); \
1174 vector unsigned char dstBF##i = vec_sel(dstR##i, dstB##i, mask##i); \
1175 vector unsigned char dstAF##j = vec_sel(dstA##j, dstR##j, mask##j); \
1176 vector unsigned char dstBF##j = vec_sel(dstR##j, dstB##j, mask##j); \
1177 vec_st(dstAF##i, i * stride, dst); \
1178 vec_st(dstBF##i, i * stride + 16, dst); \
1179 vec_st(dstAF##j, j * stride, dst); \
1180 vec_st(dstBF##j, j * stride + 16, dst)
1181
1182 STORE_DOUBLE_LINE(0,1);
1183 STORE_DOUBLE_LINE(2,3);
1184 STORE_DOUBLE_LINE(4,5);
1185 STORE_DOUBLE_LINE(6,7);
1186 }
Libav master