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ffmpeg / libavcodec / libpostproc / postprocess_altivec_template.c @ 5509bffa

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1 b0ac780a Michael Niedermayer
/*
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 program is free software; you can redistribute it and/or modify
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    it under the terms of the GNU General Public License as published by
8
    the Free Software Foundation; either version 2 of the License, or
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    (at your option) any later version.
10

11
    This program is distributed in the hope that it will be useful,
12
    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14
    GNU General Public License for more details.
15

16
    You should have received a copy of the GNU General Public License
17
    along with this program; if not, write to the Free Software
18 5509bffa Diego Biurrun
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 b0ac780a Michael Niedermayer
*/
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21
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#ifdef CONFIG_DARWIN
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#define AVV(x...) (x)
24
#else
25
#define AVV(x...) {x}
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#endif
27
28 a7b2871c Romain Dolbeau
#define ALTIVEC_TRANSPOSE_8x8_SHORT(src_a,src_b,src_c,src_d,src_e,src_f,src_g,src_h) \
29 bb270c08 Diego Biurrun
  do {                                                                  \
30
    __typeof__(src_a) tempA1, tempB1, tempC1, tempD1;                   \
31
    __typeof__(src_a) tempE1, tempF1, tempG1, tempH1;                   \
32
    __typeof__(src_a) tempA2, tempB2, tempC2, tempD2;                   \
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    __typeof__(src_a) tempE2, tempF2, tempG2, tempH2;                   \
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    tempA1 = vec_mergeh (src_a, src_e);                                 \
35
    tempB1 = vec_mergel (src_a, src_e);                                 \
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    tempC1 = vec_mergeh (src_b, src_f);                                 \
37
    tempD1 = vec_mergel (src_b, src_f);                                 \
38
    tempE1 = vec_mergeh (src_c, src_g);                                 \
39
    tempF1 = vec_mergel (src_c, src_g);                                 \
40
    tempG1 = vec_mergeh (src_d, src_h);                                 \
41
    tempH1 = vec_mergel (src_d, src_h);                                 \
42
    tempA2 = vec_mergeh (tempA1, tempE1);                               \
43
    tempB2 = vec_mergel (tempA1, tempE1);                               \
44
    tempC2 = vec_mergeh (tempB1, tempF1);                               \
45
    tempD2 = vec_mergel (tempB1, tempF1);                               \
46
    tempE2 = vec_mergeh (tempC1, tempG1);                               \
47
    tempF2 = vec_mergel (tempC1, tempG1);                               \
48
    tempG2 = vec_mergeh (tempD1, tempH1);                               \
49
    tempH2 = vec_mergel (tempD1, tempH1);                               \
50
    src_a = vec_mergeh (tempA2, tempE2);                                \
51
    src_b = vec_mergel (tempA2, tempE2);                                \
52
    src_c = vec_mergeh (tempB2, tempF2);                                \
53
    src_d = vec_mergel (tempB2, tempF2);                                \
54
    src_e = vec_mergeh (tempC2, tempG2);                                \
55
    src_f = vec_mergel (tempC2, tempG2);                                \
56
    src_g = vec_mergeh (tempD2, tempH2);                                \
57
    src_h = vec_mergel (tempD2, tempH2);                                \
58 a7b2871c Romain Dolbeau
  } while (0)
59
60
61 b0ac780a Michael Niedermayer
static inline int vertClassify_altivec(uint8_t src[], int stride, PPContext *c) {
62
  /*
63
    this code makes no assumption on src or stride.
64
    One could remove the recomputation of the perm
65
    vector by assuming (stride % 16) == 0, unfortunately
66
    this is not always true.
67
  */
68
  register int y;
69
  short __attribute__ ((aligned(16))) data[8];
70
  int numEq;
71
  uint8_t *src2 = src;
72
  vector signed short v_dcOffset;
73
  vector signed short v2QP;
74
  vector unsigned short v4QP;
75
  vector unsigned short v_dcThreshold;
76 20646267 Romain Dolbeau
  const int properStride = (stride % 16);
77
  const int srcAlign = ((unsigned long)src2 % 16);
78
  const int two_vectors = ((srcAlign > 8) || properStride) ? 1 : 0;
79 b0ac780a Michael Niedermayer
  const vector signed int zero = vec_splat_s32(0);
80
  const vector signed short mask = vec_splat_s16(1);
81
  vector signed int v_numEq = vec_splat_s32(0);
82 115329f1 Diego Biurrun
83 b0ac780a Michael Niedermayer
  data[0] = ((c->nonBQP*c->ppMode.baseDcDiff)>>8) + 1;
84
  data[1] = data[0] * 2 + 1;
85
  data[2] = c->QP * 2;
86
  data[3] = c->QP * 4;
87
  vector signed short v_data = vec_ld(0, data);
88
  v_dcOffset = vec_splat(v_data, 0);
89
  v_dcThreshold = (vector unsigned short)vec_splat(v_data, 1);
90
  v2QP = vec_splat(v_data, 2);
91
  v4QP = (vector unsigned short)vec_splat(v_data, 3);
92
93
  src2 += stride * 4;
94
95 20646267 Romain Dolbeau
  vector signed short v_srcAss0, v_srcAss1, v_srcAss2, v_srcAss3, v_srcAss4, v_srcAss5, v_srcAss6, v_srcAss7;
96
97 bb270c08 Diego Biurrun
#define LOAD_LINE(i)                                                    \
98
  register int j##i = i * stride;                                       \
99
  vector unsigned char perm##i = vec_lvsl(j##i, src2);                  \
100
  const vector unsigned char v_srcA1##i = vec_ld(j##i, src2);           \
101
  vector unsigned char v_srcA2##i;                                      \
102
  if (two_vectors)                                                      \
103
    v_srcA2##i = vec_ld(j##i + 16, src2);                               \
104
  const vector unsigned char v_srcA##i =                                \
105
    vec_perm(v_srcA1##i, v_srcA2##i, perm##i);                          \
106 20646267 Romain Dolbeau
  v_srcAss##i =                                                         \
107 bb270c08 Diego Biurrun
    (vector signed short)vec_mergeh((vector signed char)zero,           \
108
                                    (vector signed char)v_srcA##i)
109 b0ac780a Michael Niedermayer
110 20646267 Romain Dolbeau
#define LOAD_LINE_ALIGNED(i)                                            \
111
  register int j##i = i * stride;                                       \
112
  const vector unsigned char v_srcA##i = vec_ld(j##i, src2);            \
113
  v_srcAss##i =                                                         \
114 bb270c08 Diego Biurrun
    (vector signed short)vec_mergeh((vector signed char)zero,           \
115
                                    (vector signed char)v_srcA##i)
116 a7b2871c Romain Dolbeau
117 20646267 Romain Dolbeau
    // special casing the aligned case is worthwhile, as all call from
118
    // the (transposed) horizontable deblocks will be aligned, i naddition
119
    // to the naturraly aligned vertical deblocks.
120
    if (properStride && srcAlign) {
121
      LOAD_LINE_ALIGNED(0);
122
      LOAD_LINE_ALIGNED(1);
123
      LOAD_LINE_ALIGNED(2);
124
      LOAD_LINE_ALIGNED(3);
125
      LOAD_LINE_ALIGNED(4);
126
      LOAD_LINE_ALIGNED(5);
127
      LOAD_LINE_ALIGNED(6);
128
      LOAD_LINE_ALIGNED(7);
129
    } else {
130
      LOAD_LINE(0);
131
      LOAD_LINE(1);
132
      LOAD_LINE(2);
133
      LOAD_LINE(3);
134
      LOAD_LINE(4);
135
      LOAD_LINE(5);
136
      LOAD_LINE(6);
137
      LOAD_LINE(7);
138
    }
139 a7b2871c Romain Dolbeau
#undef LOAD_LINE
140 20646267 Romain Dolbeau
#undef LOAD_LINE_ALIGNED
141 a7b2871c Romain Dolbeau
142 bb270c08 Diego Biurrun
#define ITER(i, j)                                                      \
143
  const vector signed short v_diff##i =                                 \
144
    vec_sub(v_srcAss##i, v_srcAss##j);                                  \
145
  const vector signed short v_sum##i =                                  \
146
    vec_add(v_diff##i, v_dcOffset);                                     \
147
  const vector signed short v_comp##i =                                 \
148
    (vector signed short)vec_cmplt((vector unsigned short)v_sum##i,     \
149
                                   v_dcThreshold);                      \
150
  const vector signed short v_part##i = vec_and(mask, v_comp##i);       \
151 a7b2871c Romain Dolbeau
  v_numEq = vec_sum4s(v_part##i, v_numEq);
152
153
  ITER(0, 1);
154
  ITER(1, 2);
155
  ITER(2, 3);
156
  ITER(3, 4);
157
  ITER(4, 5);
158
  ITER(5, 6);
159
  ITER(6, 7);
160
#undef ITER
161
162
  v_numEq = vec_sums(v_numEq, zero);
163 115329f1 Diego Biurrun
164 a7b2871c Romain Dolbeau
  v_numEq = vec_splat(v_numEq, 3);
165
  vec_ste(v_numEq, 0, &numEq);
166
167
  if (numEq > c->ppMode.flatnessThreshold)
168
    {
169
      const vector unsigned char mmoP1 = (const vector unsigned char)
170 bb270c08 Diego Biurrun
        AVV(0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f,
171
            0x00, 0x01, 0x12, 0x13, 0x08, 0x09, 0x1A, 0x1B);
172 a7b2871c Romain Dolbeau
      const vector unsigned char mmoP2 = (const vector unsigned char)
173 bb270c08 Diego Biurrun
        AVV(0x04, 0x05, 0x16, 0x17, 0x0C, 0x0D, 0x1E, 0x1F,
174
            0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f);
175 a7b2871c Romain Dolbeau
      const vector unsigned char mmoP = (const vector unsigned char)
176 bb270c08 Diego Biurrun
        vec_lvsl(8, (unsigned char*)0);
177 115329f1 Diego Biurrun
178 a7b2871c Romain Dolbeau
      vector signed short mmoL1 = vec_perm(v_srcAss0, v_srcAss2, mmoP1);
179
      vector signed short mmoL2 = vec_perm(v_srcAss4, v_srcAss6, mmoP2);
180
      vector signed short mmoL = vec_perm(mmoL1, mmoL2, mmoP);
181
      vector signed short mmoR1 = vec_perm(v_srcAss5, v_srcAss7, mmoP1);
182
      vector signed short mmoR2 = vec_perm(v_srcAss1, v_srcAss3, mmoP2);
183
      vector signed short mmoR = vec_perm(mmoR1, mmoR2, mmoP);
184
      vector signed short mmoDiff = vec_sub(mmoL, mmoR);
185
      vector unsigned short mmoSum = (vector unsigned short)vec_add(mmoDiff, v2QP);
186 115329f1 Diego Biurrun
187 a7b2871c Romain Dolbeau
      if (vec_any_gt(mmoSum, v4QP))
188 bb270c08 Diego Biurrun
        return 0;
189 a7b2871c Romain Dolbeau
      else
190 bb270c08 Diego Biurrun
        return 1;
191 a7b2871c Romain Dolbeau
    }
192 115329f1 Diego Biurrun
  else return 2;
193 a7b2871c Romain Dolbeau
}
194
195 b0ac780a Michael Niedermayer
static inline void doVertLowPass_altivec(uint8_t *src, int stride, PPContext *c) {
196
  /*
197
    this code makes no assumption on src or stride.
198
    One could remove the recomputation of the perm
199
    vector by assuming (stride % 16) == 0, unfortunately
200
    this is not always true. Quite a lot of load/stores
201
    can be removed by assuming proper alignement of
202
    src & stride :-(
203
  */
204
  uint8_t *src2 = src;
205
  const vector signed int zero = vec_splat_s32(0);
206 20646267 Romain Dolbeau
  const int properStride = (stride % 16);
207
  const int srcAlign = ((unsigned long)src2 % 16);
208 b0ac780a Michael Niedermayer
  short __attribute__ ((aligned(16))) qp[8];
209
  qp[0] = c->QP;
210
  vector signed short vqp = vec_ld(0, qp);
211
  vqp = vec_splat(vqp, 0);
212 115329f1 Diego Biurrun
213 20646267 Romain Dolbeau
  src2 += stride*3;
214
215
  vector signed short vb0, vb1, vb2, vb3, vb4, vb5, vb6, vb7, vb8, vb9;
216
  vector unsigned char vbA0, vbA1, vbA2, vbA3, vbA4, vbA5, vbA6, vbA7, vbA8, vbA9;
217
  vector unsigned char vbB0, vbB1, vbB2, vbB3, vbB4, vbB5, vbB6, vbB7, vbB8, vbB9;
218
  vector unsigned char vbT0, vbT1, vbT2, vbT3, vbT4, vbT5, vbT6, vbT7, vbT8, vbT9;
219 115329f1 Diego Biurrun
220 b0ac780a Michael Niedermayer
#define LOAD_LINE(i)                                                    \
221 bb270c08 Diego Biurrun
  const vector unsigned char perml##i =                                 \
222
    vec_lvsl(i * stride, src2);                                         \
223 20646267 Romain Dolbeau
  vbA##i = vec_ld(i * stride, src2);                                    \
224
  vbB##i = vec_ld(i * stride + 16, src2);                               \
225
  vbT##i = vec_perm(vbA##i, vbB##i, perml##i);                          \
226
  vb##i =                                                               \
227 bb270c08 Diego Biurrun
    (vector signed short)vec_mergeh((vector unsigned char)zero,         \
228
                                    (vector unsigned char)vbT##i)
229 b0ac780a Michael Niedermayer
230 20646267 Romain Dolbeau
#define LOAD_LINE_ALIGNED(i)                                            \
231
  register int j##i = i * stride;                                       \
232
  vbT##i = vec_ld(j##i, src2);                                          \
233
  vb##i =                                                               \
234 bb270c08 Diego Biurrun
    (vector signed short)vec_mergeh((vector signed char)zero,           \
235
                                    (vector signed char)vbT##i)
236 20646267 Romain Dolbeau
237
    // special casing the aligned case is worthwhile, as all call from
238
    // the (transposed) horizontable deblocks will be aligned, in addition
239
    // to the naturraly aligned vertical deblocks.
240
    if (properStride && srcAlign) {
241
      LOAD_LINE_ALIGNED(0);
242
      LOAD_LINE_ALIGNED(1);
243
      LOAD_LINE_ALIGNED(2);
244
      LOAD_LINE_ALIGNED(3);
245
      LOAD_LINE_ALIGNED(4);
246
      LOAD_LINE_ALIGNED(5);
247
      LOAD_LINE_ALIGNED(6);
248
      LOAD_LINE_ALIGNED(7);
249
      LOAD_LINE_ALIGNED(8);
250
      LOAD_LINE_ALIGNED(9);
251
    } else {
252
      LOAD_LINE(0);
253
      LOAD_LINE(1);
254
      LOAD_LINE(2);
255
      LOAD_LINE(3);
256
      LOAD_LINE(4);
257
      LOAD_LINE(5);
258
      LOAD_LINE(6);
259
      LOAD_LINE(7);
260
      LOAD_LINE(8);
261
      LOAD_LINE(9);
262
    }
263 b0ac780a Michael Niedermayer
#undef LOAD_LINE
264 20646267 Romain Dolbeau
#undef LOAD_LINE_ALIGNED
265 b0ac780a Michael Niedermayer
266
  const vector unsigned short v_1 = vec_splat_u16(1);
267
  const vector unsigned short v_2 = vec_splat_u16(2);
268
  const vector unsigned short v_4 = vec_splat_u16(4);
269 a7b2871c Romain Dolbeau
270
  const vector signed short v_diff01 = vec_sub(vb0, vb1);
271
  const vector unsigned short v_cmp01 =
272
    (const vector unsigned short) vec_cmplt(vec_abs(v_diff01), vqp);
273
  const vector signed short v_first = vec_sel(vb1, vb0, v_cmp01);
274
  const vector signed short v_diff89 = vec_sub(vb8, vb9);
275
  const vector unsigned short v_cmp89 =
276
    (const vector unsigned short) vec_cmplt(vec_abs(v_diff89), vqp);
277
  const vector signed short v_last = vec_sel(vb8, vb9, v_cmp89);
278 115329f1 Diego Biurrun
279 a7b2871c Romain Dolbeau
  const vector signed short temp01 = vec_mladd(v_first, (vector signed short)v_4, vb1);
280
  const vector signed short temp02 = vec_add(vb2, vb3);
281
  const vector signed short temp03 = vec_add(temp01, (vector signed short)v_4);
282
  const vector signed short v_sumsB0 = vec_add(temp02, temp03);
283
284
  const vector signed short temp11 = vec_sub(v_sumsB0, v_first);
285
  const vector signed short v_sumsB1 = vec_add(temp11, vb4);
286
287
  const vector signed short temp21 = vec_sub(v_sumsB1, v_first);
288
  const vector signed short v_sumsB2 = vec_add(temp21, vb5);
289
290
  const vector signed short temp31 = vec_sub(v_sumsB2, v_first);
291
  const vector signed short v_sumsB3 = vec_add(temp31, vb6);
292
293
  const vector signed short temp41 = vec_sub(v_sumsB3, v_first);
294
  const vector signed short v_sumsB4 = vec_add(temp41, vb7);
295
296
  const vector signed short temp51 = vec_sub(v_sumsB4, vb1);
297
  const vector signed short v_sumsB5 = vec_add(temp51, vb8);
298
299
  const vector signed short temp61 = vec_sub(v_sumsB5, vb2);
300
  const vector signed short v_sumsB6 = vec_add(temp61, v_last);
301
302
  const vector signed short temp71 = vec_sub(v_sumsB6, vb3);
303
  const vector signed short v_sumsB7 = vec_add(temp71, v_last);
304
305
  const vector signed short temp81 = vec_sub(v_sumsB7, vb4);
306
  const vector signed short v_sumsB8 = vec_add(temp81, v_last);
307
308
  const vector signed short temp91 = vec_sub(v_sumsB8, vb5);
309
  const vector signed short v_sumsB9 = vec_add(temp91, v_last);
310
311 bb270c08 Diego Biurrun
#define COMPUTE_VR(i, j, k)                                             \
312
  const vector signed short temps1##i =                                 \
313
    vec_add(v_sumsB##i, v_sumsB##k);                                    \
314
  const vector signed short temps2##i =                                 \
315
    vec_mladd(vb##j, (vector signed short)v_2, temps1##i);              \
316 a7b2871c Romain Dolbeau
  const vector signed short  vr##j = vec_sra(temps2##i, v_4)
317
318
  COMPUTE_VR(0, 1, 2);
319
  COMPUTE_VR(1, 2, 3);
320
  COMPUTE_VR(2, 3, 4);
321
  COMPUTE_VR(3, 4, 5);
322
  COMPUTE_VR(4, 5, 6);
323
  COMPUTE_VR(5, 6, 7);
324
  COMPUTE_VR(6, 7, 8);
325
  COMPUTE_VR(7, 8, 9);
326
327
  const vector signed char neg1 = vec_splat_s8(-1);
328
  const vector unsigned char permHH = (const vector unsigned char)AVV(0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
329 bb270c08 Diego Biurrun
                                                                      0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F);
330
331
#define PACK_AND_STORE(i)                                       \
332
  const vector unsigned char perms##i =                         \
333
    vec_lvsr(i * stride, src2);                                 \
334
  const vector unsigned char vf##i =                            \
335
    vec_packsu(vr##i, (vector signed short)zero);               \
336
  const vector unsigned char vg##i =                            \
337
    vec_perm(vf##i, vbT##i, permHH);                            \
338
  const vector unsigned char mask##i =                          \
339
    vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms##i); \
340
  const vector unsigned char vg2##i =                           \
341
    vec_perm(vg##i, vg##i, perms##i);                           \
342
  const vector unsigned char svA##i =                           \
343
    vec_sel(vbA##i, vg2##i, mask##i);                           \
344
  const vector unsigned char svB##i =                           \
345
    vec_sel(vg2##i, vbB##i, mask##i);                           \
346
  vec_st(svA##i, i * stride, src2);                             \
347 b0ac780a Michael Niedermayer
  vec_st(svB##i, i * stride + 16, src2)
348
349 bb270c08 Diego Biurrun
#define PACK_AND_STORE_ALIGNED(i)                               \
350
  const vector unsigned char vf##i =                            \
351
    vec_packsu(vr##i, (vector signed short)zero);               \
352
  const vector unsigned char vg##i =                            \
353
    vec_perm(vf##i, vbT##i, permHH);                            \
354 20646267 Romain Dolbeau
  vec_st(vg##i, i * stride, src2)
355
356
  // special casing the aligned case is worthwhile, as all call from
357
  // the (transposed) horizontable deblocks will be aligned, in addition
358
  // to the naturraly aligned vertical deblocks.
359
  if (properStride && srcAlign) {
360
    PACK_AND_STORE_ALIGNED(1);
361
    PACK_AND_STORE_ALIGNED(2);
362
    PACK_AND_STORE_ALIGNED(3);
363
    PACK_AND_STORE_ALIGNED(4);
364
    PACK_AND_STORE_ALIGNED(5);
365
    PACK_AND_STORE_ALIGNED(6);
366
    PACK_AND_STORE_ALIGNED(7);
367
    PACK_AND_STORE_ALIGNED(8);
368
  } else {
369
    PACK_AND_STORE(1);
370
    PACK_AND_STORE(2);
371
    PACK_AND_STORE(3);
372
    PACK_AND_STORE(4);
373
    PACK_AND_STORE(5);
374
    PACK_AND_STORE(6);
375
    PACK_AND_STORE(7);
376
    PACK_AND_STORE(8);
377
  }
378 b0ac780a Michael Niedermayer
#undef PACK_AND_STORE
379 20646267 Romain Dolbeau
#undef PACK_AND_STORE_ALIGNED
380 b0ac780a Michael Niedermayer
}
381
382
383
384
static inline void doVertDefFilter_altivec(uint8_t src[], int stride, PPContext *c) {
385
  /*
386
    this code makes no assumption on src or stride.
387
    One could remove the recomputation of the perm
388
    vector by assuming (stride % 16) == 0, unfortunately
389
    this is not always true. Quite a lot of load/stores
390
    can be removed by assuming proper alignement of
391
    src & stride :-(
392
  */
393
  uint8_t *src2 = src;
394
  const vector signed int zero = vec_splat_s32(0);
395
  short __attribute__ ((aligned(16))) qp[8];
396
  qp[0] = 8*c->QP;
397
  vector signed short vqp = vec_ld(0, qp);
398
  vqp = vec_splat(vqp, 0);
399
400
#define LOAD_LINE(i)                                                    \
401 bb270c08 Diego Biurrun
  const vector unsigned char perm##i =                                  \
402
    vec_lvsl(i * stride, src2);                                         \
403
  const vector unsigned char vbA##i =                                   \
404
    vec_ld(i * stride, src2);                                           \
405
  const vector unsigned char vbB##i =                                   \
406
    vec_ld(i * stride + 16, src2);                                      \
407
  const vector unsigned char vbT##i =                                   \
408
    vec_perm(vbA##i, vbB##i, perm##i);                                  \
409
  const vector signed short vb##i =                                     \
410
    (vector signed short)vec_mergeh((vector unsigned char)zero,         \
411
                                    (vector unsigned char)vbT##i)
412 115329f1 Diego Biurrun
413 b0ac780a Michael Niedermayer
  src2 += stride*3;
414 115329f1 Diego Biurrun
415 b0ac780a Michael Niedermayer
  LOAD_LINE(1);
416
  LOAD_LINE(2);
417
  LOAD_LINE(3);
418
  LOAD_LINE(4);
419
  LOAD_LINE(5);
420
  LOAD_LINE(6);
421
  LOAD_LINE(7);
422
  LOAD_LINE(8);
423
#undef LOAD_LINE
424 115329f1 Diego Biurrun
425 b0ac780a Michael Niedermayer
  const vector signed short v_1 = vec_splat_s16(1);
426
  const vector signed short v_2 = vec_splat_s16(2);
427
  const vector signed short v_5 = vec_splat_s16(5);
428
  const vector signed short v_32 = vec_sl(v_1,
429 bb270c08 Diego Biurrun
                                          (vector unsigned short)v_5);
430 b0ac780a Michael Niedermayer
  /* middle energy */
431
  const vector signed short l3minusl6 = vec_sub(vb3, vb6);
432
  const vector signed short l5minusl4 = vec_sub(vb5, vb4);
433
  const vector signed short twotimes_l3minusl6 = vec_mladd(v_2, l3minusl6, (vector signed short)zero);
434
  const vector signed short mE = vec_mladd(v_5, l5minusl4, twotimes_l3minusl6);
435
  const vector signed short absmE = vec_abs(mE);
436
  /* left & right energy */
437
  const vector signed short l1minusl4 = vec_sub(vb1, vb4);
438
  const vector signed short l3minusl2 = vec_sub(vb3, vb2);
439
  const vector signed short l5minusl8 = vec_sub(vb5, vb8);
440
  const vector signed short l7minusl6 = vec_sub(vb7, vb6);
441
  const vector signed short twotimes_l1minusl4 = vec_mladd(v_2, l1minusl4, (vector signed short)zero);
442
  const vector signed short twotimes_l5minusl8 = vec_mladd(v_2, l5minusl8, (vector signed short)zero);
443
  const vector signed short lE = vec_mladd(v_5, l3minusl2, twotimes_l1minusl4);
444
  const vector signed short rE = vec_mladd(v_5, l7minusl6, twotimes_l5minusl8);
445
  /* d */
446
  const vector signed short ddiff = vec_sub(absmE,
447
                                            vec_min(vec_abs(lE),
448
                                                    vec_abs(rE)));
449
  const vector signed short ddiffclamp = vec_max(ddiff, (vector signed short)zero);
450
  const vector signed short dtimes64 = vec_mladd(v_5, ddiffclamp, v_32);
451
  const vector signed short d = vec_sra(dtimes64, vec_splat_u16(6));
452
  const vector signed short minusd = vec_sub((vector signed short)zero, d);
453
  const vector signed short finald = vec_sel(minusd,
454
                                             d,
455
                                             vec_cmpgt(vec_sub((vector signed short)zero, mE),
456
                                                       (vector signed short)zero));
457
  /* q */
458
  const vector signed short qtimes2 = vec_sub(vb4, vb5);
459
  /* for a shift right to behave like /2, we need to add one
460
     to all negative integer */
461
  const vector signed short rounddown = vec_sel((vector signed short)zero,
462
                                                v_1,
463
                                                vec_cmplt(qtimes2, (vector signed short)zero));
464
  const vector signed short q = vec_sra(vec_add(qtimes2, rounddown), vec_splat_u16(1));
465
  /* clamp */
466
  const vector signed short dclamp_P1 = vec_max((vector signed short)zero, finald);
467
  const vector signed short dclamp_P = vec_min(dclamp_P1, q);
468
  const vector signed short dclamp_N1 = vec_min((vector signed short)zero, finald);
469
  const vector signed short dclamp_N = vec_max(dclamp_N1, q);
470
471
  const vector signed short dclampedfinal = vec_sel(dclamp_N,
472
                                                    dclamp_P,
473
                                                    vec_cmpgt(q, (vector signed short)zero));
474
  const vector signed short dornotd = vec_sel((vector signed short)zero,
475
                                              dclampedfinal,
476
                                              vec_cmplt(absmE, vqp));
477
  /* add/substract to l4 and l5 */
478
  const vector signed short vb4minusd = vec_sub(vb4, dornotd);
479
  const vector signed short vb5plusd = vec_add(vb5, dornotd);
480
  /* finally, stores */
481
  const vector unsigned char st4 = vec_packsu(vb4minusd, (vector signed short)zero);
482
  const vector unsigned char st5 = vec_packsu(vb5plusd, (vector signed short)zero);
483 115329f1 Diego Biurrun
484 a7b2871c Romain Dolbeau
  const vector signed char neg1 = vec_splat_s8(-1);
485
  const vector unsigned char permHH = (const vector unsigned char)AVV(0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
486 bb270c08 Diego Biurrun
                                                                      0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F);
487
488
#define STORE(i)                                                \
489
  const vector unsigned char perms##i =                         \
490
    vec_lvsr(i * stride, src2);                                 \
491
  const vector unsigned char vg##i =                            \
492
    vec_perm(st##i, vbT##i, permHH);                            \
493
  const vector unsigned char mask##i =                          \
494
    vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms##i); \
495
  const vector unsigned char vg2##i =                           \
496
    vec_perm(vg##i, vg##i, perms##i);                           \
497
  const vector unsigned char svA##i =                           \
498
    vec_sel(vbA##i, vg2##i, mask##i);                           \
499
  const vector unsigned char svB##i =                           \
500
    vec_sel(vg2##i, vbB##i, mask##i);                           \
501
  vec_st(svA##i, i * stride, src2);                             \
502 b0ac780a Michael Niedermayer
  vec_st(svB##i, i * stride + 16, src2)
503 115329f1 Diego Biurrun
504 b0ac780a Michael Niedermayer
  STORE(4);
505
  STORE(5);
506
}
507
508
static inline void dering_altivec(uint8_t src[], int stride, PPContext *c) {
509
  /*
510
    this code makes no assumption on src or stride.
511
    One could remove the recomputation of the perm
512
    vector by assuming (stride % 16) == 0, unfortunately
513
    this is not always true. Quite a lot of load/stores
514
    can be removed by assuming proper alignement of
515
    src & stride :-(
516
  */
517
  uint8_t *srcCopy = src;
518
  uint8_t __attribute__((aligned(16))) dt[16];
519
  const vector unsigned char vuint8_1 = vec_splat_u8(1);
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 bb270c08 Diego Biurrun
#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 b0ac780a Michael Niedermayer
  vector unsigned char src##i = vec_perm(sA##i, sB##i, perm##i)
531 115329f1 Diego Biurrun
532 b0ac780a Michael Niedermayer
  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 bb270c08 Diego Biurrun
          0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18);
549 b0ac780a Michael Niedermayer
    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 115329f1 Diego Biurrun
554 bb270c08 Diego Biurrun
#define EXTRACT(op) do {                                                \
555 b0ac780a Michael Niedermayer
      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 115329f1 Diego Biurrun
571 b0ac780a Michael Niedermayer
    vector unsigned char v_min;
572
    vector unsigned char v_max;
573
    EXTRACT(min);
574
    EXTRACT(max);
575
#undef EXTRACT
576 115329f1 Diego Biurrun
577 b0ac780a Michael Niedermayer
    if (vec_all_lt(vec_sub(v_max, v_min), v_dt))
578
      return;
579 115329f1 Diego Biurrun
580 b0ac780a Michael Niedermayer
    v_avg = vec_avg(v_min, v_max);
581
  }
582 115329f1 Diego Biurrun
583 b0ac780a Michael Niedermayer
  signed int __attribute__((aligned(16))) S[8];
584
  {
585
    const vector unsigned short mask1 = (vector unsigned short)
586
      AVV(0x0001, 0x0002, 0x0004, 0x0008,
587 bb270c08 Diego Biurrun
          0x0010, 0x0020, 0x0040, 0x0080);
588 b0ac780a Michael Niedermayer
    const vector unsigned short mask2 = (vector unsigned short)
589
      AVV(0x0100, 0x0200, 0x0000, 0x0000,
590 bb270c08 Diego Biurrun
          0x0000, 0x0000, 0x0000, 0x0000);
591 115329f1 Diego Biurrun
592 b0ac780a Michael Niedermayer
    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 115329f1 Diego Biurrun
595 bb270c08 Diego Biurrun
#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 b0ac780a Michael Niedermayer
      sum##i  = vec_sums(sumq##i, zero); } while (0)
611 115329f1 Diego Biurrun
612 b0ac780a Michael Niedermayer
    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 115329f1 Diego Biurrun
624 b0ac780a Michael Niedermayer
    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 115329f1 Diego Biurrun
631 b0ac780a Michael Niedermayer
      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 115329f1 Diego Biurrun
635 b0ac780a Michael Niedermayer
      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 115329f1 Diego Biurrun
639 b0ac780a Michael Niedermayer
      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 bb270c08 Diego Biurrun
                                            vec_sl(t2A, vuint32_1));
647 b0ac780a Michael Niedermayer
      const vector signed int t3B = vec_and(vec_sra(t2B, vuint32_1),
648 bb270c08 Diego Biurrun
                                            vec_sl(t2B, vuint32_1));
649 b0ac780a Michael Niedermayer
      const vector signed int t3C = vec_and(vec_sra(t2C, vuint32_1),
650 bb270c08 Diego Biurrun
                                            vec_sl(t2C, vuint32_1));
651 b0ac780a Michael Niedermayer
      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 115329f1 Diego Biurrun
655 b0ac780a Michael Niedermayer
      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 bb270c08 Diego Biurrun
                                              vec_and(sumAd4,sumAd8));
663 b0ac780a Michael Niedermayer
      const vector signed int sumBp = vec_and(yB,
664 bb270c08 Diego Biurrun
                                              vec_and(sumBd4,sumBd8));
665 b0ac780a Michael Niedermayer
      sumA2 = vec_or(sumAp,
666 bb270c08 Diego Biurrun
                     vec_sra(sumAp,
667
                             vuint32_16));
668 b0ac780a Michael Niedermayer
      sumB2  = vec_or(sumBp,
669 bb270c08 Diego Biurrun
                      vec_sra(sumBp,
670
                              vuint32_16));
671 115329f1 Diego Biurrun
    }
672 b0ac780a Michael Niedermayer
    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 115329f1 Diego Biurrun
679 b0ac780a Michael Niedermayer
  int __attribute__((aligned(16))) 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 unsigned char vuint8_2 = vec_splat_u8(2);
684
  const vector signed int vsint32_8 = vec_splat_s32(8);
685
  const vector unsigned int vuint32_4 = vec_splat_u32(4);
686
687
  const vector unsigned char permA1 = (vector unsigned char)
688
    AVV(0x00, 0x01, 0x02, 0x10, 0x11, 0x12, 0x1F, 0x1F,
689 bb270c08 Diego Biurrun
        0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F);
690 b0ac780a Michael Niedermayer
  const vector unsigned char permA2 = (vector unsigned char)
691
    AVV(0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x10, 0x11,
692 bb270c08 Diego Biurrun
        0x12, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F, 0x1F);
693 b0ac780a Michael Niedermayer
  const vector unsigned char permA1inc = (vector unsigned char)
694
    AVV(0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00,
695 bb270c08 Diego Biurrun
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
696 b0ac780a Michael Niedermayer
  const vector unsigned char permA2inc = (vector unsigned char)
697
    AVV(0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01,
698 bb270c08 Diego Biurrun
        0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
699 b0ac780a Michael Niedermayer
  const vector unsigned char magic = (vector unsigned char)
700
    AVV(0x01, 0x02, 0x01, 0x02, 0x04, 0x02, 0x01, 0x02,
701 bb270c08 Diego Biurrun
        0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
702 b0ac780a Michael Niedermayer
  const vector unsigned char extractPerm = (vector unsigned char)
703
    AVV(0x10, 0x10, 0x10, 0x01, 0x10, 0x10, 0x10, 0x01,
704 bb270c08 Diego Biurrun
        0x10, 0x10, 0x10, 0x01, 0x10, 0x10, 0x10, 0x01);
705 b0ac780a Michael Niedermayer
  const vector unsigned char extractPermInc = (vector unsigned char)
706
    AVV(0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01,
707 bb270c08 Diego Biurrun
        0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01);
708 b0ac780a Michael Niedermayer
  const vector unsigned char identity = vec_lvsl(0,(unsigned char *)0);
709
  const vector unsigned char tenRight = (vector unsigned char)
710
    AVV(0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
711 bb270c08 Diego Biurrun
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00);
712 b0ac780a Michael Niedermayer
  const vector unsigned char eightLeft = (vector unsigned char)
713
    AVV(0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
714 bb270c08 Diego Biurrun
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08);
715 b0ac780a Michael Niedermayer
716
717 bb270c08 Diego Biurrun
#define F_INIT(i)                                       \
718
  vector unsigned char tenRightM##i = tenRight;         \
719
  vector unsigned char permA1M##i = permA1;             \
720
  vector unsigned char permA2M##i = permA2;             \
721 b0ac780a Michael Niedermayer
  vector unsigned char extractPermM##i = extractPerm
722
723 bb270c08 Diego Biurrun
#define F2(i, j, k, l)                                                  \
724
  if (S[i] & (1 << (l+1))) {                                            \
725
    const vector unsigned char a_##j##_A##l =                           \
726
      vec_perm(src##i, src##j, permA1M##i);                             \
727
    const vector unsigned char a_##j##_B##l =                           \
728
      vec_perm(a_##j##_A##l, src##k, permA2M##i);                       \
729
    const vector signed int a_##j##_sump##l =                           \
730
      (vector signed int)vec_msum(a_##j##_B##l, magic,                  \
731
                                  (vector unsigned int)zero);           \
732
    vector signed int F_##j##_##l =                                     \
733
      vec_sr(vec_sums(a_##j##_sump##l, vsint32_8), vuint32_4);          \
734
    F_##j##_##l = vec_splat(F_##j##_##l, 3);                            \
735
    const vector signed int p_##j##_##l =                               \
736
      (vector signed int)vec_perm(src##j,                               \
737
                                  (vector unsigned char)zero,           \
738
                                  extractPermM##i);                     \
739
    const vector signed int sum_##j##_##l = vec_add( p_##j##_##l, vQP2);\
740
    const vector signed int diff_##j##_##l = vec_sub( p_##j##_##l, vQP2);\
741
    vector signed int newpm_##j##_##l;                                  \
742
    if (vec_all_lt(sum_##j##_##l, F_##j##_##l))                         \
743
      newpm_##j##_##l = sum_##j##_##l;                                  \
744
    else if (vec_all_gt(diff_##j##_##l, F_##j##_##l))                   \
745
      newpm_##j##_##l = diff_##j##_##l;                                 \
746
    else newpm_##j##_##l = F_##j##_##l;                                 \
747
    const vector unsigned char newpm2_##j##_##l =                       \
748
      vec_splat((vector unsigned char)newpm_##j##_##l, 15);             \
749
    const vector unsigned char mask##j##l = vec_add(identity,           \
750
                                                    tenRightM##i);      \
751
    src##j = vec_perm(src##j, newpm2_##j##_##l, mask##j##l);            \
752
  }                                                                     \
753
  permA1M##i = vec_add(permA1M##i, permA1inc);                          \
754
  permA2M##i = vec_add(permA2M##i, permA2inc);                          \
755
  tenRightM##i = vec_sro(tenRightM##i, eightLeft);                      \
756 b0ac780a Michael Niedermayer
  extractPermM##i = vec_add(extractPermM##i, extractPermInc)
757
758 bb270c08 Diego Biurrun
#define ITER(i, j, k)                           \
759
  F_INIT(i);                                    \
760
  F2(i, j, k, 0);                               \
761
  F2(i, j, k, 1);                               \
762
  F2(i, j, k, 2);                               \
763
  F2(i, j, k, 3);                               \
764
  F2(i, j, k, 4);                               \
765
  F2(i, j, k, 5);                               \
766
  F2(i, j, k, 6);                               \
767 b0ac780a Michael Niedermayer
  F2(i, j, k, 7)
768
769
  ITER(0, 1, 2);
770
  ITER(1, 2, 3);
771
  ITER(2, 3, 4);
772
  ITER(3, 4, 5);
773
  ITER(4, 5, 6);
774
  ITER(5, 6, 7);
775
  ITER(6, 7, 8);
776
  ITER(7, 8, 9);
777
778 a7b2871c Romain Dolbeau
  const vector signed char neg1 = vec_splat_s8(-1);
779 115329f1 Diego Biurrun
780 bb270c08 Diego Biurrun
#define STORE_LINE(i)                                   \
781
  const vector unsigned char permST##i =                \
782
    vec_lvsr(i * stride, srcCopy);                      \
783
  const vector unsigned char maskST##i =                \
784
    vec_perm((vector unsigned char)zero,                \
785
             (vector unsigned char)neg1, permST##i);    \
786
  src##i = vec_perm(src##i ,src##i, permST##i);         \
787
  sA##i= vec_sel(sA##i, src##i, maskST##i);             \
788
  sB##i= vec_sel(src##i, sB##i, maskST##i);             \
789
  vec_st(sA##i, i * stride, srcCopy);                   \
790 b0ac780a Michael Niedermayer
  vec_st(sB##i, i * stride + 16, srcCopy)
791 115329f1 Diego Biurrun
792 b0ac780a Michael Niedermayer
  STORE_LINE(1);
793
  STORE_LINE(2);
794
  STORE_LINE(3);
795
  STORE_LINE(4);
796
  STORE_LINE(5);
797
  STORE_LINE(6);
798
  STORE_LINE(7);
799
  STORE_LINE(8);
800
801
#undef STORE_LINE
802
#undef ITER
803
#undef F2
804
}
805
806
#define doHorizLowPass_altivec(a...) doHorizLowPass_C(a)
807
#define doHorizDefFilter_altivec(a...) doHorizDefFilter_C(a)
808 a7b2871c Romain Dolbeau
#define do_a_deblock_altivec(a...) do_a_deblock_C(a)
809
810
static inline void RENAME(tempNoiseReducer)(uint8_t *src, int stride,
811 bb270c08 Diego Biurrun
                                    uint8_t *tempBlured, uint32_t *tempBluredPast, int *maxNoise)
812 a7b2871c Romain Dolbeau
{
813
  const vector signed int zero = vec_splat_s32(0);
814
  const vector signed short vsint16_1 = vec_splat_s16(1);
815
  vector signed int v_dp = zero;
816
  vector signed int v_sysdp = zero;
817
  int d, sysd, i;
818 115329f1 Diego Biurrun
819 a7b2871c Romain Dolbeau
  tempBluredPast[127]= maxNoise[0];
820
  tempBluredPast[128]= maxNoise[1];
821
  tempBluredPast[129]= maxNoise[2];
822
823 bb270c08 Diego Biurrun
#define LOAD_LINE(src, i)                                               \
824
  register int j##src##i = i * stride;                                  \
825
  vector unsigned char perm##src##i = vec_lvsl(j##src##i, src);         \
826
  const vector unsigned char v_##src##A1##i = vec_ld(j##src##i, src);   \
827 a7b2871c Romain Dolbeau
  const vector unsigned char v_##src##A2##i = vec_ld(j##src##i + 16, src); \
828 bb270c08 Diego Biurrun
  const vector unsigned char v_##src##A##i =                            \
829
    vec_perm(v_##src##A1##i, v_##src##A2##i, perm##src##i);             \
830
  vector signed short v_##src##Ass##i =                                 \
831
    (vector signed short)vec_mergeh((vector signed char)zero,           \
832
                                    (vector signed char)v_##src##A##i)
833 115329f1 Diego Biurrun
834 a7b2871c Romain Dolbeau
  LOAD_LINE(src, 0);
835
  LOAD_LINE(src, 1);
836
  LOAD_LINE(src, 2);
837
  LOAD_LINE(src, 3);
838
  LOAD_LINE(src, 4);
839
  LOAD_LINE(src, 5);
840
  LOAD_LINE(src, 6);
841
  LOAD_LINE(src, 7);
842
843
  LOAD_LINE(tempBlured, 0);
844
  LOAD_LINE(tempBlured, 1);
845
  LOAD_LINE(tempBlured, 2);
846
  LOAD_LINE(tempBlured, 3);
847
  LOAD_LINE(tempBlured, 4);
848
  LOAD_LINE(tempBlured, 5);
849
  LOAD_LINE(tempBlured, 6);
850
  LOAD_LINE(tempBlured, 7);
851
#undef LOAD_LINE
852
853 bb270c08 Diego Biurrun
#define ACCUMULATE_DIFFS(i)                                     \
854
  vector signed short v_d##i = vec_sub(v_tempBluredAss##i,      \
855
                                       v_srcAss##i);            \
856
  v_dp = vec_msums(v_d##i, v_d##i, v_dp);                       \
857 a7b2871c Romain Dolbeau
  v_sysdp = vec_msums(v_d##i, vsint16_1, v_sysdp)
858
859
  ACCUMULATE_DIFFS(0);
860
  ACCUMULATE_DIFFS(1);
861
  ACCUMULATE_DIFFS(2);
862
  ACCUMULATE_DIFFS(3);
863
  ACCUMULATE_DIFFS(4);
864
  ACCUMULATE_DIFFS(5);
865
  ACCUMULATE_DIFFS(6);
866
  ACCUMULATE_DIFFS(7);
867
#undef ACCUMULATE_DIFFS
868
869
  v_dp = vec_sums(v_dp, zero);
870
  v_sysdp = vec_sums(v_sysdp, zero);
871
872
  v_dp = vec_splat(v_dp, 3);
873
  v_sysdp = vec_splat(v_sysdp, 3);
874 115329f1 Diego Biurrun
875 a7b2871c Romain Dolbeau
  vec_ste(v_dp, 0, &d);
876
  vec_ste(v_sysdp, 0, &sysd);
877
878
  i = d;
879
  d = (4*d
880
       +(*(tempBluredPast-256))
881
       +(*(tempBluredPast-1))+ (*(tempBluredPast+1))
882
       +(*(tempBluredPast+256))
883
       +4)>>3;
884
885
  *tempBluredPast=i;
886
887
  if (d > maxNoise[1]) {
888
    if (d < maxNoise[2]) {
889
#define OP(i) v_tempBluredAss##i = vec_avg(v_tempBluredAss##i, v_srcAss##i);
890
891
      OP(0);
892
      OP(1);
893
      OP(2);
894
      OP(3);
895
      OP(4);
896
      OP(5);
897
      OP(6);
898
      OP(7);
899
#undef OP
900
    } else {
901
#define OP(i) v_tempBluredAss##i = v_srcAss##i;
902
903
      OP(0);
904
      OP(1);
905
      OP(2);
906
      OP(3);
907
      OP(4);
908
      OP(5);
909
      OP(6);
910
      OP(7);
911
#undef OP
912
    }
913
  } else {
914
    if (d < maxNoise[0]) {
915
      const vector signed short vsint16_7 = vec_splat_s16(7);
916
      const vector signed short vsint16_4 = vec_splat_s16(4);
917
      const vector unsigned short vuint16_3 = vec_splat_u16(3);
918 115329f1 Diego Biurrun
919 bb270c08 Diego Biurrun
#define OP(i)                                                   \
920
      const vector signed short v_temp##i =                     \
921
        vec_mladd(v_tempBluredAss##i,                           \
922
                  vsint16_7, v_srcAss##i);                      \
923
      const vector signed short v_temp2##i =                    \
924
        vec_add(v_temp##i, vsint16_4);                          \
925 a7b2871c Romain Dolbeau
      v_tempBluredAss##i = vec_sr(v_temp2##i, vuint16_3)
926
927
      OP(0);
928
      OP(1);
929
      OP(2);
930
      OP(3);
931
      OP(4);
932
      OP(5);
933
      OP(6);
934
      OP(7);
935
#undef OP
936
    } else {
937
      const vector signed short vsint16_3 = vec_splat_s16(3);
938
      const vector signed short vsint16_2 = vec_splat_s16(2);
939 115329f1 Diego Biurrun
940 bb270c08 Diego Biurrun
#define OP(i)                                                   \
941
      const vector signed short v_temp##i =                     \
942
        vec_mladd(v_tempBluredAss##i,                           \
943
                  vsint16_3, v_srcAss##i);                      \
944
      const vector signed short v_temp2##i =                    \
945
        vec_add(v_temp##i, vsint16_2);                          \
946 a7b2871c Romain Dolbeau
      v_tempBluredAss##i = vec_sr(v_temp2##i, (vector unsigned short)vsint16_2)
947
948
      OP(0);
949
      OP(1);
950
      OP(2);
951
      OP(3);
952
      OP(4);
953
      OP(5);
954
      OP(6);
955
      OP(7);
956
#undef OP
957
    }
958
  }
959
960
  const vector signed char neg1 = vec_splat_s8(-1);
961
  const vector unsigned char permHH = (const vector unsigned char)AVV(0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
962 bb270c08 Diego Biurrun
                                                                      0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F);
963
964
#define PACK_AND_STORE(src, i)                                  \
965
  const vector unsigned char perms##src##i =                    \
966
    vec_lvsr(i * stride, src);                                  \
967
  const vector unsigned char vf##src##i =                       \
968
    vec_packsu(v_tempBluredAss##i, (vector signed short)zero);  \
969
  const vector unsigned char vg##src##i =                       \
970
    vec_perm(vf##src##i, v_##src##A##i, permHH);                \
971
  const vector unsigned char mask##src##i =                     \
972 a7b2871c Romain Dolbeau
    vec_perm((vector unsigned char)zero, (vector unsigned char)neg1, perms##src##i); \
973 bb270c08 Diego Biurrun
  const vector unsigned char vg2##src##i =                      \
974
    vec_perm(vg##src##i, vg##src##i, perms##src##i);            \
975
  const vector unsigned char svA##src##i =                      \
976
    vec_sel(v_##src##A1##i, vg2##src##i, mask##src##i);         \
977
  const vector unsigned char svB##src##i =                      \
978
    vec_sel(vg2##src##i, v_##src##A2##i, mask##src##i);         \
979
  vec_st(svA##src##i, i * stride, src);                         \
980 a7b2871c Romain Dolbeau
  vec_st(svB##src##i, i * stride + 16, src)
981
982
  PACK_AND_STORE(src, 0);
983
  PACK_AND_STORE(src, 1);
984
  PACK_AND_STORE(src, 2);
985
  PACK_AND_STORE(src, 3);
986
  PACK_AND_STORE(src, 4);
987
  PACK_AND_STORE(src, 5);
988
  PACK_AND_STORE(src, 6);
989
  PACK_AND_STORE(src, 7);
990
  PACK_AND_STORE(tempBlured, 0);
991
  PACK_AND_STORE(tempBlured, 1);
992
  PACK_AND_STORE(tempBlured, 2);
993
  PACK_AND_STORE(tempBlured, 3);
994
  PACK_AND_STORE(tempBlured, 4);
995
  PACK_AND_STORE(tempBlured, 5);
996
  PACK_AND_STORE(tempBlured, 6);
997
  PACK_AND_STORE(tempBlured, 7);
998
#undef PACK_AND_STORE
999
}
1000 20646267 Romain Dolbeau
1001
static inline void transpose_16x8_char_toPackedAlign_altivec(unsigned char* dst, unsigned char* src, int stride) {
1002
  const vector unsigned char zero = vec_splat_u8(0);
1003
1004 bb270c08 Diego Biurrun
#define LOAD_DOUBLE_LINE(i, j)                                          \
1005
  vector unsigned char perm1##i = vec_lvsl(i * stride, src);            \
1006
  vector unsigned char perm2##i = vec_lvsl(j * stride, src);            \
1007
  vector unsigned char srcA##i = vec_ld(i * stride, src);               \
1008 20646267 Romain Dolbeau
  vector unsigned char srcB##i = vec_ld(i * stride + 16, src);          \
1009 bb270c08 Diego Biurrun
  vector unsigned char srcC##i = vec_ld(j * stride, src);               \
1010 20646267 Romain Dolbeau
  vector unsigned char srcD##i = vec_ld(j * stride+ 16, src);           \
1011 bb270c08 Diego Biurrun
  vector unsigned char src##i = vec_perm(srcA##i, srcB##i, perm1##i);   \
1012 20646267 Romain Dolbeau
  vector unsigned char src##j = vec_perm(srcC##i, srcD##i, perm2##i)
1013 115329f1 Diego Biurrun
1014 20646267 Romain Dolbeau
  LOAD_DOUBLE_LINE(0, 1);
1015
  LOAD_DOUBLE_LINE(2, 3);
1016
  LOAD_DOUBLE_LINE(4, 5);
1017
  LOAD_DOUBLE_LINE(6, 7);
1018
#undef LOAD_DOUBLE_LINE
1019
1020
  vector unsigned char tempA = vec_mergeh(src0, zero);
1021
  vector unsigned char tempB = vec_mergel(src0, zero);
1022
  vector unsigned char tempC = vec_mergeh(src1, zero);
1023
  vector unsigned char tempD = vec_mergel(src1, zero);
1024
  vector unsigned char tempE = vec_mergeh(src2, zero);
1025
  vector unsigned char tempF = vec_mergel(src2, zero);
1026
  vector unsigned char tempG = vec_mergeh(src3, zero);
1027
  vector unsigned char tempH = vec_mergel(src3, zero);
1028
  vector unsigned char tempI = vec_mergeh(src4, zero);
1029
  vector unsigned char tempJ = vec_mergel(src4, zero);
1030
  vector unsigned char tempK = vec_mergeh(src5, zero);
1031
  vector unsigned char tempL = vec_mergel(src5, zero);
1032
  vector unsigned char tempM = vec_mergeh(src6, zero);
1033
  vector unsigned char tempN = vec_mergel(src6, zero);
1034
  vector unsigned char tempO = vec_mergeh(src7, zero);
1035
  vector unsigned char tempP = vec_mergel(src7, zero);
1036
1037
  vector unsigned char temp0 = vec_mergeh(tempA, tempI);
1038
  vector unsigned char temp1 = vec_mergel(tempA, tempI);
1039
  vector unsigned char temp2 = vec_mergeh(tempB, tempJ);
1040
  vector unsigned char temp3 = vec_mergel(tempB, tempJ);
1041
  vector unsigned char temp4 = vec_mergeh(tempC, tempK);
1042
  vector unsigned char temp5 = vec_mergel(tempC, tempK);
1043
  vector unsigned char temp6 = vec_mergeh(tempD, tempL);
1044
  vector unsigned char temp7 = vec_mergel(tempD, tempL);
1045
  vector unsigned char temp8 = vec_mergeh(tempE, tempM);
1046
  vector unsigned char temp9 = vec_mergel(tempE, tempM);
1047
  vector unsigned char temp10 = vec_mergeh(tempF, tempN);
1048
  vector unsigned char temp11 = vec_mergel(tempF, tempN);
1049
  vector unsigned char temp12 = vec_mergeh(tempG, tempO);
1050
  vector unsigned char temp13 = vec_mergel(tempG, tempO);
1051
  vector unsigned char temp14 = vec_mergeh(tempH, tempP);
1052
  vector unsigned char temp15 = vec_mergel(tempH, tempP);
1053
1054
  tempA = vec_mergeh(temp0, temp8);
1055
  tempB = vec_mergel(temp0, temp8);
1056
  tempC = vec_mergeh(temp1, temp9);
1057
  tempD = vec_mergel(temp1, temp9);
1058
  tempE = vec_mergeh(temp2, temp10);
1059
  tempF = vec_mergel(temp2, temp10);
1060
  tempG = vec_mergeh(temp3, temp11);
1061
  tempH = vec_mergel(temp3, temp11);
1062
  tempI = vec_mergeh(temp4, temp12);
1063
  tempJ = vec_mergel(temp4, temp12);
1064
  tempK = vec_mergeh(temp5, temp13);
1065
  tempL = vec_mergel(temp5, temp13);
1066
  tempM = vec_mergeh(temp6, temp14);
1067
  tempN = vec_mergel(temp6, temp14);
1068
  tempO = vec_mergeh(temp7, temp15);
1069
  tempP = vec_mergel(temp7, temp15);
1070
1071
  temp0 = vec_mergeh(tempA, tempI);
1072
  temp1 = vec_mergel(tempA, tempI);
1073
  temp2 = vec_mergeh(tempB, tempJ);
1074
  temp3 = vec_mergel(tempB, tempJ);
1075
  temp4 = vec_mergeh(tempC, tempK);
1076
  temp5 = vec_mergel(tempC, tempK);
1077
  temp6 = vec_mergeh(tempD, tempL);
1078
  temp7 = vec_mergel(tempD, tempL);
1079
  temp8 = vec_mergeh(tempE, tempM);
1080
  temp9 = vec_mergel(tempE, tempM);
1081
  temp10 = vec_mergeh(tempF, tempN);
1082
  temp11 = vec_mergel(tempF, tempN);
1083
  temp12 = vec_mergeh(tempG, tempO);
1084
  temp13 = vec_mergel(tempG, tempO);
1085
  temp14 = vec_mergeh(tempH, tempP);
1086
  temp15 = vec_mergel(tempH, tempP);
1087
1088
  vec_st(temp0, 0, dst);
1089
  vec_st(temp1, 16, dst);
1090
  vec_st(temp2, 32, dst);
1091
  vec_st(temp3, 48, dst);
1092
  vec_st(temp4, 64, dst);
1093
  vec_st(temp5, 80, dst);
1094
  vec_st(temp6, 96, dst);
1095
  vec_st(temp7, 112, dst);
1096
  vec_st(temp8, 128, dst);
1097
  vec_st(temp9, 144, dst);
1098
  vec_st(temp10, 160, dst);
1099
  vec_st(temp11, 176, dst);
1100
  vec_st(temp12, 192, dst);
1101
  vec_st(temp13, 208, dst);
1102
  vec_st(temp14, 224, dst);
1103
  vec_st(temp15, 240, dst);
1104
}
1105
1106
static inline void transpose_8x16_char_fromPackedAlign_altivec(unsigned char* dst, unsigned char* src, int stride) {
1107
  const vector unsigned char zero = vec_splat_u8(0);
1108
  const vector unsigned char magic_perm = (const vector unsigned char)
1109
    AVV(0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
1110 bb270c08 Diego Biurrun
        0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F);
1111 115329f1 Diego Biurrun
1112 bb270c08 Diego Biurrun
#define LOAD_DOUBLE_LINE(i, j)                                  \
1113
  vector unsigned char src##i = vec_ld(i * 16, src);            \
1114 20646267 Romain Dolbeau
  vector unsigned char src##j = vec_ld(j * 16, src)
1115
1116
  LOAD_DOUBLE_LINE(0, 1);
1117
  LOAD_DOUBLE_LINE(2, 3);
1118
  LOAD_DOUBLE_LINE(4, 5);
1119
  LOAD_DOUBLE_LINE(6, 7);
1120
  LOAD_DOUBLE_LINE(8, 9);
1121
  LOAD_DOUBLE_LINE(10, 11);
1122
  LOAD_DOUBLE_LINE(12, 13);
1123
  LOAD_DOUBLE_LINE(14, 15);
1124
#undef LOAD_DOUBLE_LINE
1125
1126
  vector unsigned char tempA = vec_mergeh(src0, src8);
1127
  vector unsigned char tempB;
1128
  vector unsigned char tempC = vec_mergeh(src1, src9);
1129
  vector unsigned char tempD;
1130
  vector unsigned char tempE = vec_mergeh(src2, src10);
1131
  vector unsigned char tempG = vec_mergeh(src3, src11);
1132
  vector unsigned char tempI = vec_mergeh(src4, src12);
1133
  vector unsigned char tempJ;
1134
  vector unsigned char tempK = vec_mergeh(src5, src13);
1135
  vector unsigned char tempL;
1136
  vector unsigned char tempM = vec_mergeh(src6, src14);
1137
  vector unsigned char tempO = vec_mergeh(src7, src15);
1138
1139
  vector unsigned char temp0 = vec_mergeh(tempA, tempI);
1140
  vector unsigned char temp1 = vec_mergel(tempA, tempI);
1141
  vector unsigned char temp2;
1142
  vector unsigned char temp3;
1143
  vector unsigned char temp4 = vec_mergeh(tempC, tempK);
1144
  vector unsigned char temp5 = vec_mergel(tempC, tempK);
1145
  vector unsigned char temp6;
1146
  vector unsigned char temp7;
1147
  vector unsigned char temp8 = vec_mergeh(tempE, tempM);
1148
  vector unsigned char temp9 = vec_mergel(tempE, tempM);
1149
  vector unsigned char temp12 = vec_mergeh(tempG, tempO);
1150
  vector unsigned char temp13 = vec_mergel(tempG, tempO);
1151
1152
  tempA = vec_mergeh(temp0, temp8);
1153
  tempB = vec_mergel(temp0, temp8);
1154
  tempC = vec_mergeh(temp1, temp9);
1155
  tempD = vec_mergel(temp1, temp9);
1156
  tempI = vec_mergeh(temp4, temp12);
1157
  tempJ = vec_mergel(temp4, temp12);
1158
  tempK = vec_mergeh(temp5, temp13);
1159
  tempL = vec_mergel(temp5, temp13);
1160
1161
  temp0 = vec_mergeh(tempA, tempI);
1162
  temp1 = vec_mergel(tempA, tempI);
1163
  temp2 = vec_mergeh(tempB, tempJ);
1164
  temp3 = vec_mergel(tempB, tempJ);
1165
  temp4 = vec_mergeh(tempC, tempK);
1166
  temp5 = vec_mergel(tempC, tempK);
1167
  temp6 = vec_mergeh(tempD, tempL);
1168
  temp7 = vec_mergel(tempD, tempL);
1169
1170
1171
  const vector signed char neg1 = vec_splat_s8(-1);
1172 bb270c08 Diego Biurrun
#define STORE_DOUBLE_LINE(i, j)                                         \
1173
  vector unsigned char dstA##i = vec_ld(i * stride, dst);               \
1174
  vector unsigned char dstB##i = vec_ld(i * stride + 16, dst);          \
1175
  vector unsigned char dstA##j = vec_ld(j * stride, dst);               \
1176
  vector unsigned char dstB##j = vec_ld(j * stride+ 16, dst);           \
1177
  vector unsigned char align##i = vec_lvsr(i * stride, dst);            \
1178
  vector unsigned char align##j = vec_lvsr(j * stride, dst);            \
1179
  vector unsigned char mask##i = vec_perm(zero, (vector unsigned char)neg1, align##i); \
1180
  vector unsigned char mask##j = vec_perm(zero, (vector unsigned char)neg1, align##j); \
1181
  vector unsigned char dstR##i = vec_perm(temp##i, temp##i, align##i);  \
1182
  vector unsigned char dstR##j = vec_perm(temp##j, temp##j, align##j);  \
1183
  vector unsigned char dstAF##i = vec_sel(dstA##i, dstR##i, mask##i);   \
1184
  vector unsigned char dstBF##i = vec_sel(dstR##i, dstB##i, mask##i);   \
1185
  vector unsigned char dstAF##j = vec_sel(dstA##j, dstR##j, mask##j);   \
1186
  vector unsigned char dstBF##j = vec_sel(dstR##j, dstB##j, mask##j);   \
1187
  vec_st(dstAF##i, i * stride, dst);                                    \
1188
  vec_st(dstBF##i, i * stride + 16, dst);                               \
1189
  vec_st(dstAF##j, j * stride, dst);                                    \
1190 20646267 Romain Dolbeau
  vec_st(dstBF##j, j * stride + 16, dst)
1191
1192
  STORE_DOUBLE_LINE(0,1);
1193
  STORE_DOUBLE_LINE(2,3);
1194
  STORE_DOUBLE_LINE(4,5);
1195
  STORE_DOUBLE_LINE(6,7);
1196
}