1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
|
/*
* Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
* Copyright (c) 2013 Janne Grunau <janne-libav@jannau.net>
* Copyright (c) 2014 Janne Grunau <janne-libav@jannau.net>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/aarch64/asm.S"
#include "neon.S"
.macro h264_loop_filter_start
cmp w2, #0
ldr w6, [x4]
ccmp w3, #0, #0, ne
mov v24.S[0], w6
and w8, w6, w6, lsl #16
b.eq 1f
ands w8, w8, w8, lsl #8
b.ge 2f
1:
ret
2:
.endm
.macro h264_loop_filter_luma
dup v22.16B, w2 // alpha
uxtl v24.8H, v24.8B
uabd v21.16B, v16.16B, v0.16B // abs(p0 - q0)
uxtl v24.4S, v24.4H
uabd v28.16B, v18.16B, v16.16B // abs(p1 - p0)
sli v24.8H, v24.8H, #8
uabd v30.16B, v2.16B, v0.16B // abs(q1 - q0)
sli v24.4S, v24.4S, #16
cmhi v21.16B, v22.16B, v21.16B // < alpha
dup v22.16B, w3 // beta
cmlt v23.16B, v24.16B, #0
cmhi v28.16B, v22.16B, v28.16B // < beta
cmhi v30.16B, v22.16B, v30.16B // < beta
bic v21.16B, v21.16B, v23.16B
uabd v17.16B, v20.16B, v16.16B // abs(p2 - p0)
and v21.16B, v21.16B, v28.16B
uabd v19.16B, v4.16B, v0.16B // abs(q2 - q0)
and v21.16B, v21.16B, v30.16B // < beta
shrn v30.8b, v21.8h, #4
mov x7, v30.d[0]
cmhi v17.16B, v22.16B, v17.16B // < beta
cmhi v19.16B, v22.16B, v19.16B // < beta
cbz x7, 9f
and v17.16B, v17.16B, v21.16B
and v19.16B, v19.16B, v21.16B
and v24.16B, v24.16B, v21.16B
urhadd v28.16B, v16.16B, v0.16B
sub v21.16B, v24.16B, v17.16B
uqadd v23.16B, v18.16B, v24.16B
uhadd v20.16B, v20.16B, v28.16B
sub v21.16B, v21.16B, v19.16B
uhadd v28.16B, v4.16B, v28.16B
umin v23.16B, v23.16B, v20.16B
uqsub v22.16B, v18.16B, v24.16B
uqadd v4.16B, v2.16B, v24.16B
umax v23.16B, v23.16B, v22.16B
uqsub v22.16B, v2.16B, v24.16B
umin v28.16B, v4.16B, v28.16B
uxtl v4.8H, v0.8B
umax v28.16B, v28.16B, v22.16B
uxtl2 v20.8H, v0.16B
usubw v4.8H, v4.8H, v16.8B
usubw2 v20.8H, v20.8H, v16.16B
shl v4.8H, v4.8H, #2
shl v20.8H, v20.8H, #2
uaddw v4.8H, v4.8H, v18.8B
uaddw2 v20.8H, v20.8H, v18.16B
usubw v4.8H, v4.8H, v2.8B
usubw2 v20.8H, v20.8H, v2.16B
rshrn v4.8B, v4.8H, #3
rshrn2 v4.16B, v20.8H, #3
bsl v17.16B, v23.16B, v18.16B
bsl v19.16B, v28.16B, v2.16B
neg v23.16B, v21.16B
uxtl v28.8H, v16.8B
smin v4.16B, v4.16B, v21.16B
uxtl2 v21.8H, v16.16B
smax v4.16B, v4.16B, v23.16B
uxtl v22.8H, v0.8B
uxtl2 v24.8H, v0.16B
saddw v28.8H, v28.8H, v4.8B
saddw2 v21.8H, v21.8H, v4.16B
ssubw v22.8H, v22.8H, v4.8B
ssubw2 v24.8H, v24.8H, v4.16B
sqxtun v16.8B, v28.8H
sqxtun2 v16.16B, v21.8H
sqxtun v0.8B, v22.8H
sqxtun2 v0.16B, v24.8H
.endm
function ff_h264_v_loop_filter_luma_neon, export=1
h264_loop_filter_start
sxtw x1, w1
ld1 {v0.16B}, [x0], x1
ld1 {v2.16B}, [x0], x1
ld1 {v4.16B}, [x0], x1
sub x0, x0, x1, lsl #2
sub x0, x0, x1, lsl #1
ld1 {v20.16B}, [x0], x1
ld1 {v18.16B}, [x0], x1
ld1 {v16.16B}, [x0], x1
h264_loop_filter_luma
sub x0, x0, x1, lsl #1
st1 {v17.16B}, [x0], x1
st1 {v16.16B}, [x0], x1
st1 {v0.16B}, [x0], x1
st1 {v19.16B}, [x0]
9:
ret
endfunc
function ff_h264_h_loop_filter_luma_neon, export=1
h264_loop_filter_start
sxtw x1, w1
sub x0, x0, #4
ld1 {v6.8B}, [x0], x1
ld1 {v20.8B}, [x0], x1
ld1 {v18.8B}, [x0], x1
ld1 {v16.8B}, [x0], x1
ld1 {v0.8B}, [x0], x1
ld1 {v2.8B}, [x0], x1
ld1 {v4.8B}, [x0], x1
ld1 {v26.8B}, [x0], x1
ld1 {v6.D}[1], [x0], x1
ld1 {v20.D}[1], [x0], x1
ld1 {v18.D}[1], [x0], x1
ld1 {v16.D}[1], [x0], x1
ld1 {v0.D}[1], [x0], x1
ld1 {v2.D}[1], [x0], x1
ld1 {v4.D}[1], [x0], x1
ld1 {v26.D}[1], [x0], x1
transpose_8x16B v6, v20, v18, v16, v0, v2, v4, v26, v21, v23
h264_loop_filter_luma
transpose_4x16B v17, v16, v0, v19, v21, v23, v25, v27
sub x0, x0, x1, lsl #4
add x0, x0, #2
st1 {v17.S}[0], [x0], x1
st1 {v16.S}[0], [x0], x1
st1 {v0.S}[0], [x0], x1
st1 {v19.S}[0], [x0], x1
st1 {v17.S}[1], [x0], x1
st1 {v16.S}[1], [x0], x1
st1 {v0.S}[1], [x0], x1
st1 {v19.S}[1], [x0], x1
st1 {v17.S}[2], [x0], x1
st1 {v16.S}[2], [x0], x1
st1 {v0.S}[2], [x0], x1
st1 {v19.S}[2], [x0], x1
st1 {v17.S}[3], [x0], x1
st1 {v16.S}[3], [x0], x1
st1 {v0.S}[3], [x0], x1
st1 {v19.S}[3], [x0], x1
9:
ret
endfunc
.macro h264_loop_filter_start_intra
orr w4, w2, w3
cbnz w4, 1f
ret
1:
sxtw x1, w1
dup v30.16b, w2 // alpha
dup v31.16b, w3 // beta
.endm
.macro h264_loop_filter_luma_intra
uabd v16.16b, v7.16b, v0.16b // abs(p0 - q0)
uabd v17.16b, v6.16b, v7.16b // abs(p1 - p0)
uabd v18.16b, v1.16b, v0.16b // abs(q1 - q0)
cmhi v19.16b, v30.16b, v16.16b // < alpha
cmhi v17.16b, v31.16b, v17.16b // < beta
cmhi v18.16b, v31.16b, v18.16b // < beta
movi v29.16b, #2
ushr v30.16b, v30.16b, #2 // alpha >> 2
add v30.16b, v30.16b, v29.16b // (alpha >> 2) + 2
cmhi v16.16b, v30.16b, v16.16b // < (alpha >> 2) + 2
and v19.16b, v19.16b, v17.16b
and v19.16b, v19.16b, v18.16b
shrn v20.8b, v19.8h, #4
mov x4, v20.d[0]
cbz x4, 9f
ushll v20.8h, v6.8b, #1
ushll v22.8h, v1.8b, #1
ushll2 v21.8h, v6.16b, #1
ushll2 v23.8h, v1.16b, #1
uaddw v20.8h, v20.8h, v7.8b
uaddw v22.8h, v22.8h, v0.8b
uaddw2 v21.8h, v21.8h, v7.16b
uaddw2 v23.8h, v23.8h, v0.16b
uaddw v20.8h, v20.8h, v1.8b
uaddw v22.8h, v22.8h, v6.8b
uaddw2 v21.8h, v21.8h, v1.16b
uaddw2 v23.8h, v23.8h, v6.16b
rshrn v24.8b, v20.8h, #2 // p0'_1
rshrn v25.8b, v22.8h, #2 // q0'_1
rshrn2 v24.16b, v21.8h, #2 // p0'_1
rshrn2 v25.16b, v23.8h, #2 // q0'_1
uabd v17.16b, v5.16b, v7.16b // abs(p2 - p0)
uabd v18.16b, v2.16b, v0.16b // abs(q2 - q0)
cmhi v17.16b, v31.16b, v17.16b // < beta
cmhi v18.16b, v31.16b, v18.16b // < beta
and v17.16b, v16.16b, v17.16b // if_2 && if_3
and v18.16b, v16.16b, v18.16b // if_2 && if_4
not v30.16b, v17.16b
not v31.16b, v18.16b
and v30.16b, v30.16b, v19.16b // if_1 && !(if_2 && if_3)
and v31.16b, v31.16b, v19.16b // if_1 && !(if_2 && if_4)
and v17.16b, v19.16b, v17.16b // if_1 && if_2 && if_3
and v18.16b, v19.16b, v18.16b // if_1 && if_2 && if_4
//calc p, v7, v6, v5, v4, v17, v7, v6, v5, v4
uaddl v26.8h, v5.8b, v7.8b
uaddl2 v27.8h, v5.16b, v7.16b
uaddw v26.8h, v26.8h, v0.8b
uaddw2 v27.8h, v27.8h, v0.16b
add v20.8h, v20.8h, v26.8h
add v21.8h, v21.8h, v27.8h
uaddw v20.8h, v20.8h, v0.8b
uaddw2 v21.8h, v21.8h, v0.16b
rshrn v20.8b, v20.8h, #3 // p0'_2
rshrn2 v20.16b, v21.8h, #3 // p0'_2
uaddw v26.8h, v26.8h, v6.8b
uaddw2 v27.8h, v27.8h, v6.16b
rshrn v21.8b, v26.8h, #2 // p1'_2
rshrn2 v21.16b, v27.8h, #2 // p1'_2
uaddl v28.8h, v4.8b, v5.8b
uaddl2 v29.8h, v4.16b, v5.16b
shl v28.8h, v28.8h, #1
shl v29.8h, v29.8h, #1
add v28.8h, v28.8h, v26.8h
add v29.8h, v29.8h, v27.8h
rshrn v19.8b, v28.8h, #3 // p2'_2
rshrn2 v19.16b, v29.8h, #3 // p2'_2
//calc q, v0, v1, v2, v3, v18, v0, v1, v2, v3
uaddl v26.8h, v2.8b, v0.8b
uaddl2 v27.8h, v2.16b, v0.16b
uaddw v26.8h, v26.8h, v7.8b
uaddw2 v27.8h, v27.8h, v7.16b
add v22.8h, v22.8h, v26.8h
add v23.8h, v23.8h, v27.8h
uaddw v22.8h, v22.8h, v7.8b
uaddw2 v23.8h, v23.8h, v7.16b
rshrn v22.8b, v22.8h, #3 // q0'_2
rshrn2 v22.16b, v23.8h, #3 // q0'_2
uaddw v26.8h, v26.8h, v1.8b
uaddw2 v27.8h, v27.8h, v1.16b
rshrn v23.8b, v26.8h, #2 // q1'_2
rshrn2 v23.16b, v27.8h, #2 // q1'_2
uaddl v28.8h, v2.8b, v3.8b
uaddl2 v29.8h, v2.16b, v3.16b
shl v28.8h, v28.8h, #1
shl v29.8h, v29.8h, #1
add v28.8h, v28.8h, v26.8h
add v29.8h, v29.8h, v27.8h
rshrn v26.8b, v28.8h, #3 // q2'_2
rshrn2 v26.16b, v29.8h, #3 // q2'_2
bit v7.16b, v24.16b, v30.16b // p0'_1
bit v0.16b, v25.16b, v31.16b // q0'_1
bit v7.16b, v20.16b, v17.16b // p0'_2
bit v6.16b, v21.16b, v17.16b // p1'_2
bit v5.16b, v19.16b, v17.16b // p2'_2
bit v0.16b, v22.16b, v18.16b // q0'_2
bit v1.16b, v23.16b, v18.16b // q1'_2
bit v2.16b, v26.16b, v18.16b // q2'_2
.endm
function ff_h264_v_loop_filter_luma_intra_neon, export=1
h264_loop_filter_start_intra
ld1 {v0.16b}, [x0], x1 // q0
ld1 {v1.16b}, [x0], x1 // q1
ld1 {v2.16b}, [x0], x1 // q2
ld1 {v3.16b}, [x0], x1 // q3
sub x0, x0, x1, lsl #3
ld1 {v4.16b}, [x0], x1 // p3
ld1 {v5.16b}, [x0], x1 // p2
ld1 {v6.16b}, [x0], x1 // p1
ld1 {v7.16b}, [x0] // p0
h264_loop_filter_luma_intra
sub x0, x0, x1, lsl #1
st1 {v5.16b}, [x0], x1 // p2
st1 {v6.16b}, [x0], x1 // p1
st1 {v7.16b}, [x0], x1 // p0
st1 {v0.16b}, [x0], x1 // q0
st1 {v1.16b}, [x0], x1 // q1
st1 {v2.16b}, [x0] // q2
9:
ret
endfunc
function ff_h264_h_loop_filter_luma_intra_neon, export=1
h264_loop_filter_start_intra
sub x0, x0, #4
ld1 {v4.8b}, [x0], x1
ld1 {v5.8b}, [x0], x1
ld1 {v6.8b}, [x0], x1
ld1 {v7.8b}, [x0], x1
ld1 {v0.8b}, [x0], x1
ld1 {v1.8b}, [x0], x1
ld1 {v2.8b}, [x0], x1
ld1 {v3.8b}, [x0], x1
ld1 {v4.d}[1], [x0], x1
ld1 {v5.d}[1], [x0], x1
ld1 {v6.d}[1], [x0], x1
ld1 {v7.d}[1], [x0], x1
ld1 {v0.d}[1], [x0], x1
ld1 {v1.d}[1], [x0], x1
ld1 {v2.d}[1], [x0], x1
ld1 {v3.d}[1], [x0], x1
transpose_8x16B v4, v5, v6, v7, v0, v1, v2, v3, v21, v23
h264_loop_filter_luma_intra
transpose_8x16B v4, v5, v6, v7, v0, v1, v2, v3, v21, v23
sub x0, x0, x1, lsl #4
st1 {v4.8b}, [x0], x1
st1 {v5.8b}, [x0], x1
st1 {v6.8b}, [x0], x1
st1 {v7.8b}, [x0], x1
st1 {v0.8b}, [x0], x1
st1 {v1.8b}, [x0], x1
st1 {v2.8b}, [x0], x1
st1 {v3.8b}, [x0], x1
st1 {v4.d}[1], [x0], x1
st1 {v5.d}[1], [x0], x1
st1 {v6.d}[1], [x0], x1
st1 {v7.d}[1], [x0], x1
st1 {v0.d}[1], [x0], x1
st1 {v1.d}[1], [x0], x1
st1 {v2.d}[1], [x0], x1
st1 {v3.d}[1], [x0], x1
9:
ret
endfunc
.macro h264_loop_filter_chroma
dup v22.8B, w2 // alpha
dup v23.8B, w3 // beta
uxtl v24.8H, v24.8B
uabd v26.8B, v16.8B, v0.8B // abs(p0 - q0)
uabd v28.8B, v18.8B, v16.8B // abs(p1 - p0)
uabd v30.8B, v2.8B, v0.8B // abs(q1 - q0)
cmhi v26.8B, v22.8B, v26.8B // < alpha
cmhi v28.8B, v23.8B, v28.8B // < beta
cmhi v30.8B, v23.8B, v30.8B // < beta
uxtl v4.8H, v0.8B
and v26.8B, v26.8B, v28.8B
usubw v4.8H, v4.8H, v16.8B
and v26.8B, v26.8B, v30.8B
shl v4.8H, v4.8H, #2
mov x8, v26.d[0]
sli v24.8H, v24.8H, #8
uaddw v4.8H, v4.8H, v18.8B
cbz x8, 9f
usubw v4.8H, v4.8H, v2.8B
rshrn v4.8B, v4.8H, #3
smin v4.8B, v4.8B, v24.8B
neg v25.8B, v24.8B
smax v4.8B, v4.8B, v25.8B
uxtl v22.8H, v0.8B
and v4.8B, v4.8B, v26.8B
uxtl v28.8H, v16.8B
saddw v28.8H, v28.8H, v4.8B
ssubw v22.8H, v22.8H, v4.8B
sqxtun v16.8B, v28.8H
sqxtun v0.8B, v22.8H
.endm
function ff_h264_v_loop_filter_chroma_neon, export=1
h264_loop_filter_start
sxtw x1, w1
sub x0, x0, x1, lsl #1
ld1 {v18.8B}, [x0], x1
ld1 {v16.8B}, [x0], x1
ld1 {v0.8B}, [x0], x1
ld1 {v2.8B}, [x0]
h264_loop_filter_chroma
sub x0, x0, x1, lsl #1
st1 {v16.8B}, [x0], x1
st1 {v0.8B}, [x0], x1
9:
ret
endfunc
function ff_h264_h_loop_filter_chroma_neon, export=1
h264_loop_filter_start
sxtw x1, w1
sub x0, x0, #2
h_loop_filter_chroma420:
ld1 {v18.S}[0], [x0], x1
ld1 {v16.S}[0], [x0], x1
ld1 {v0.S}[0], [x0], x1
ld1 {v2.S}[0], [x0], x1
ld1 {v18.S}[1], [x0], x1
ld1 {v16.S}[1], [x0], x1
ld1 {v0.S}[1], [x0], x1
ld1 {v2.S}[1], [x0], x1
transpose_4x8B v18, v16, v0, v2, v28, v29, v30, v31
h264_loop_filter_chroma
transpose_4x8B v18, v16, v0, v2, v28, v29, v30, v31
sub x0, x0, x1, lsl #3
st1 {v18.S}[0], [x0], x1
st1 {v16.S}[0], [x0], x1
st1 {v0.S}[0], [x0], x1
st1 {v2.S}[0], [x0], x1
st1 {v18.S}[1], [x0], x1
st1 {v16.S}[1], [x0], x1
st1 {v0.S}[1], [x0], x1
st1 {v2.S}[1], [x0], x1
9:
ret
endfunc
function ff_h264_h_loop_filter_chroma422_neon, export=1
sxtw x1, w1
h264_loop_filter_start
add x5, x0, x1
sub x0, x0, #2
add x1, x1, x1
mov x7, x30
bl h_loop_filter_chroma420
mov x30, x7
sub x0, x5, #2
mov v24.s[0], w6
b h_loop_filter_chroma420
endfunc
.macro h264_loop_filter_chroma_intra
uabd v26.8b, v16.8b, v17.8b // abs(p0 - q0)
uabd v27.8b, v18.8b, v16.8b // abs(p1 - p0)
uabd v28.8b, v19.8b, v17.8b // abs(q1 - q0)
cmhi v26.8b, v30.8b, v26.8b // < alpha
cmhi v27.8b, v31.8b, v27.8b // < beta
cmhi v28.8b, v31.8b, v28.8b // < beta
and v26.8b, v26.8b, v27.8b
and v26.8b, v26.8b, v28.8b
mov x2, v26.d[0]
ushll v4.8h, v18.8b, #1
ushll v6.8h, v19.8b, #1
cbz x2, 9f
uaddl v20.8h, v16.8b, v19.8b
uaddl v22.8h, v17.8b, v18.8b
add v20.8h, v20.8h, v4.8h
add v22.8h, v22.8h, v6.8h
uqrshrn v24.8b, v20.8h, #2
uqrshrn v25.8b, v22.8h, #2
bit v16.8b, v24.8b, v26.8b
bit v17.8b, v25.8b, v26.8b
.endm
function ff_h264_v_loop_filter_chroma_intra_neon, export=1
h264_loop_filter_start_intra
sub x0, x0, x1, lsl #1
ld1 {v18.8b}, [x0], x1
ld1 {v16.8b}, [x0], x1
ld1 {v17.8b}, [x0], x1
ld1 {v19.8b}, [x0]
h264_loop_filter_chroma_intra
sub x0, x0, x1, lsl #1
st1 {v16.8b}, [x0], x1
st1 {v17.8b}, [x0], x1
9:
ret
endfunc
function ff_h264_h_loop_filter_chroma_mbaff_intra_neon, export=1
h264_loop_filter_start_intra
sub x4, x0, #2
sub x0, x0, #1
ld1 {v18.8b}, [x4], x1
ld1 {v16.8b}, [x4], x1
ld1 {v17.8b}, [x4], x1
ld1 {v19.8b}, [x4], x1
transpose_4x8B v18, v16, v17, v19, v26, v27, v28, v29
h264_loop_filter_chroma_intra
st2 {v16.b,v17.b}[0], [x0], x1
st2 {v16.b,v17.b}[1], [x0], x1
st2 {v16.b,v17.b}[2], [x0], x1
st2 {v16.b,v17.b}[3], [x0], x1
9:
ret
endfunc
function ff_h264_h_loop_filter_chroma_intra_neon, export=1
h264_loop_filter_start_intra
sub x4, x0, #2
sub x0, x0, #1
h_loop_filter_chroma420_intra:
ld1 {v18.8b}, [x4], x1
ld1 {v16.8b}, [x4], x1
ld1 {v17.8b}, [x4], x1
ld1 {v19.8b}, [x4], x1
ld1 {v18.s}[1], [x4], x1
ld1 {v16.s}[1], [x4], x1
ld1 {v17.s}[1], [x4], x1
ld1 {v19.s}[1], [x4], x1
transpose_4x8B v18, v16, v17, v19, v26, v27, v28, v29
h264_loop_filter_chroma_intra
st2 {v16.b,v17.b}[0], [x0], x1
st2 {v16.b,v17.b}[1], [x0], x1
st2 {v16.b,v17.b}[2], [x0], x1
st2 {v16.b,v17.b}[3], [x0], x1
st2 {v16.b,v17.b}[4], [x0], x1
st2 {v16.b,v17.b}[5], [x0], x1
st2 {v16.b,v17.b}[6], [x0], x1
st2 {v16.b,v17.b}[7], [x0], x1
9:
ret
endfunc
function ff_h264_h_loop_filter_chroma422_intra_neon, export=1
h264_loop_filter_start_intra
sub x4, x0, #2
add x5, x0, x1, lsl #3
sub x0, x0, #1
mov x7, x30
bl h_loop_filter_chroma420_intra
sub x0, x5, #1
mov x30, x7
b h_loop_filter_chroma420_intra
endfunc
.macro biweight_16 macs, macd
dup v0.16B, w5
dup v1.16B, w6
mov v4.16B, v16.16B
mov v6.16B, v16.16B
1: subs w3, w3, #2
ld1 {v20.16B}, [x0], x2
\macd v4.8H, v0.8B, v20.8B
\macd\()2 v6.8H, v0.16B, v20.16B
ld1 {v22.16B}, [x1], x2
\macs v4.8H, v1.8B, v22.8B
\macs\()2 v6.8H, v1.16B, v22.16B
mov v24.16B, v16.16B
ld1 {v28.16B}, [x0], x2
mov v26.16B, v16.16B
\macd v24.8H, v0.8B, v28.8B
\macd\()2 v26.8H, v0.16B, v28.16B
ld1 {v30.16B}, [x1], x2
\macs v24.8H, v1.8B, v30.8B
\macs\()2 v26.8H, v1.16B, v30.16B
sshl v4.8H, v4.8H, v18.8H
sshl v6.8H, v6.8H, v18.8H
sqxtun v4.8B, v4.8H
sqxtun2 v4.16B, v6.8H
sshl v24.8H, v24.8H, v18.8H
sshl v26.8H, v26.8H, v18.8H
sqxtun v24.8B, v24.8H
sqxtun2 v24.16B, v26.8H
mov v6.16B, v16.16B
st1 {v4.16B}, [x7], x2
mov v4.16B, v16.16B
st1 {v24.16B}, [x7], x2
b.ne 1b
ret
.endm
.macro biweight_8 macs, macd
dup v0.8B, w5
dup v1.8B, w6
mov v2.16B, v16.16B
mov v20.16B, v16.16B
1: subs w3, w3, #2
ld1 {v4.8B}, [x0], x2
\macd v2.8H, v0.8B, v4.8B
ld1 {v5.8B}, [x1], x2
\macs v2.8H, v1.8B, v5.8B
ld1 {v6.8B}, [x0], x2
\macd v20.8H, v0.8B, v6.8B
ld1 {v7.8B}, [x1], x2
\macs v20.8H, v1.8B, v7.8B
sshl v2.8H, v2.8H, v18.8H
sqxtun v2.8B, v2.8H
sshl v20.8H, v20.8H, v18.8H
sqxtun v4.8B, v20.8H
mov v20.16B, v16.16B
st1 {v2.8B}, [x7], x2
mov v2.16B, v16.16B
st1 {v4.8B}, [x7], x2
b.ne 1b
ret
.endm
.macro biweight_4 macs, macd
dup v0.8B, w5
dup v1.8B, w6
mov v2.16B, v16.16B
mov v20.16B,v16.16B
1: subs w3, w3, #4
ld1 {v4.S}[0], [x0], x2
ld1 {v4.S}[1], [x0], x2
\macd v2.8H, v0.8B, v4.8B
ld1 {v5.S}[0], [x1], x2
ld1 {v5.S}[1], [x1], x2
\macs v2.8H, v1.8B, v5.8B
b.lt 2f
ld1 {v6.S}[0], [x0], x2
ld1 {v6.S}[1], [x0], x2
\macd v20.8H, v0.8B, v6.8B
ld1 {v7.S}[0], [x1], x2
ld1 {v7.S}[1], [x1], x2
\macs v20.8H, v1.8B, v7.8B
sshl v2.8H, v2.8H, v18.8H
sqxtun v2.8B, v2.8H
sshl v20.8H, v20.8H, v18.8H
sqxtun v4.8B, v20.8H
mov v20.16B, v16.16B
st1 {v2.S}[0], [x7], x2
st1 {v2.S}[1], [x7], x2
mov v2.16B, v16.16B
st1 {v4.S}[0], [x7], x2
st1 {v4.S}[1], [x7], x2
b.ne 1b
ret
2: sshl v2.8H, v2.8H, v18.8H
sqxtun v2.8B, v2.8H
st1 {v2.S}[0], [x7], x2
st1 {v2.S}[1], [x7], x2
ret
.endm
.macro biweight_func w
function ff_biweight_h264_pixels_\w\()_neon, export=1
sxtw x2, w2
lsr w8, w5, #31
add w7, w7, #1
eor w8, w8, w6, lsr #30
orr w7, w7, #1
dup v18.8H, w4
lsl w7, w7, w4
not v18.16B, v18.16B
dup v16.8H, w7
mov x7, x0
cbz w8, 10f
subs w8, w8, #1
b.eq 20f
subs w8, w8, #1
b.eq 30f
b 40f
10: biweight_\w umlal, umlal
20: neg w5, w5
biweight_\w umlal, umlsl
30: neg w5, w5
neg w6, w6
biweight_\w umlsl, umlsl
40: neg w6, w6
biweight_\w umlsl, umlal
endfunc
.endm
biweight_func 16
biweight_func 8
biweight_func 4
.macro weight_16 add
dup v0.16B, w4
1: subs w2, w2, #2
ld1 {v20.16B}, [x0], x1
umull v4.8H, v0.8B, v20.8B
umull2 v6.8H, v0.16B, v20.16B
ld1 {v28.16B}, [x0], x1
umull v24.8H, v0.8B, v28.8B
umull2 v26.8H, v0.16B, v28.16B
\add v4.8H, v16.8H, v4.8H
srshl v4.8H, v4.8H, v18.8H
\add v6.8H, v16.8H, v6.8H
srshl v6.8H, v6.8H, v18.8H
sqxtun v4.8B, v4.8H
sqxtun2 v4.16B, v6.8H
\add v24.8H, v16.8H, v24.8H
srshl v24.8H, v24.8H, v18.8H
\add v26.8H, v16.8H, v26.8H
srshl v26.8H, v26.8H, v18.8H
sqxtun v24.8B, v24.8H
sqxtun2 v24.16B, v26.8H
st1 {v4.16B}, [x5], x1
st1 {v24.16B}, [x5], x1
b.ne 1b
ret
.endm
.macro weight_8 add
dup v0.8B, w4
1: subs w2, w2, #2
ld1 {v4.8B}, [x0], x1
umull v2.8H, v0.8B, v4.8B
ld1 {v6.8B}, [x0], x1
umull v20.8H, v0.8B, v6.8B
\add v2.8H, v16.8H, v2.8H
srshl v2.8H, v2.8H, v18.8H
sqxtun v2.8B, v2.8H
\add v20.8H, v16.8H, v20.8H
srshl v20.8H, v20.8H, v18.8H
sqxtun v4.8B, v20.8H
st1 {v2.8B}, [x5], x1
st1 {v4.8B}, [x5], x1
b.ne 1b
ret
.endm
.macro weight_4 add
dup v0.8B, w4
1: subs w2, w2, #4
ld1 {v4.S}[0], [x0], x1
ld1 {v4.S}[1], [x0], x1
umull v2.8H, v0.8B, v4.8B
b.lt 2f
ld1 {v6.S}[0], [x0], x1
ld1 {v6.S}[1], [x0], x1
umull v20.8H, v0.8B, v6.8B
\add v2.8H, v16.8H, v2.8H
srshl v2.8H, v2.8H, v18.8H
sqxtun v2.8B, v2.8H
\add v20.8H, v16.8H, v20.8H
srshl v20.8H, v20.8h, v18.8H
sqxtun v4.8B, v20.8H
st1 {v2.S}[0], [x5], x1
st1 {v2.S}[1], [x5], x1
st1 {v4.S}[0], [x5], x1
st1 {v4.S}[1], [x5], x1
b.ne 1b
ret
2: \add v2.8H, v16.8H, v2.8H
srshl v2.8H, v2.8H, v18.8H
sqxtun v2.8B, v2.8H
st1 {v2.S}[0], [x5], x1
st1 {v2.S}[1], [x5], x1
ret
.endm
.macro weight_func w
function ff_weight_h264_pixels_\w\()_neon, export=1
sxtw x1, w1
cmp w3, #1
mov w6, #1
lsl w5, w5, w3
dup v16.8H, w5
mov x5, x0
b.le 20f
sub w6, w6, w3
dup v18.8H, w6
cmp w4, #0
b.lt 10f
weight_\w shadd
10: neg w4, w4
weight_\w shsub
20: neg w6, w3
dup v18.8H, w6
cmp w4, #0
b.lt 10f
weight_\w add
10: neg w4, w4
weight_\w sub
endfunc
.endm
weight_func 16
weight_func 8
weight_func 4
|
