aboutsummaryrefslogtreecommitdiffstats
path: root/libavcodec/x86/hevc_deblock.asm
blob: 8f58916402108d65746fa581263fec8656788cfe (plain) (blame)
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
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
;*****************************************************************************
;* SSE2-optimized HEVC deblocking code
;*****************************************************************************
;* Copyright (C) 2013 VTT
;*
;* Authors: Seppo Tomperi <seppo.tomperi@vtt.fi>
;*
;* 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/x86/x86util.asm"

SECTION_RODATA

pw_pixel_max_12: times 8 dw ((1 << 12)-1)
pw_pixel_max_10: times 8 dw ((1 << 10)-1)
pw_m1:           times 8 dw -1
pw_m2:           times 8 dw -2
pd_1 :           times 4 dd  1

cextern pw_4
cextern pw_8

SECTION .text
INIT_XMM sse2

; expands to [base],...,[base+7*stride]
%define PASS8ROWS(base, base3, stride, stride3) \
    [base], [base+stride], [base+stride*2], [base3], \
    [base3+stride], [base3+stride*2], [base3+stride3], [base3+stride*4]

; in: 8 rows of 4 bytes in %4..%11
; out: 4 rows of 8 words in m0..m3
%macro TRANSPOSE4x8B_LOAD 8
    movd             m0, %1
    movd             m2, %2
    movd             m1, %3
    movd             m3, %4

    punpcklbw        m0, m2
    punpcklbw        m1, m3
    punpcklwd        m0, m1

    movd             m4, %5
    movd             m6, %6
    movd             m5, %7
    movd             m3, %8

    punpcklbw        m4, m6
    punpcklbw        m5, m3
    punpcklwd        m4, m5

    punpckhdq        m2, m0, m4
    punpckldq        m0, m4

    pxor             m5, m5
    punpckhbw        m1, m0, m5
    punpcklbw        m0, m5
    punpckhbw        m3, m2, m5
    punpcklbw        m2, m5
%endmacro

; in: 4 rows of 8 words in m0..m3
; out: 8 rows of 4 bytes in %1..%8
%macro TRANSPOSE8x4B_STORE 8
    packuswb         m0, m2
    packuswb         m1, m3
    SBUTTERFLY bw, 0, 1, 2
    SBUTTERFLY wd, 0, 1, 2

    movd             %1, m0
    pshufd           m0, m0, 0x39
    movd             %2, m0
    pshufd           m0, m0, 0x39
    movd             %3, m0
    pshufd           m0, m0, 0x39
    movd             %4, m0

    movd             %5, m1
    pshufd           m1, m1, 0x39
    movd             %6, m1
    pshufd           m1, m1, 0x39
    movd             %7, m1
    pshufd           m1, m1, 0x39
    movd             %8, m1
%endmacro

; in: 8 rows of 4 words in %4..%11
; out: 4 rows of 8 words in m0..m3
%macro TRANSPOSE4x8W_LOAD 8
    movq             m0, %1
    movq             m2, %2
    movq             m1, %3
    movq             m3, %4

    punpcklwd        m0, m2
    punpcklwd        m1, m3
    punpckhdq        m2, m0, m1
    punpckldq        m0, m1

    movq             m4, %5
    movq             m6, %6
    movq             m5, %7
    movq             m3, %8

    punpcklwd        m4, m6
    punpcklwd        m5, m3
    punpckhdq        m6, m4, m5
    punpckldq        m4, m5

    punpckhqdq       m1, m0, m4
    punpcklqdq       m0, m4
    punpckhqdq       m3, m2, m6
    punpcklqdq       m2, m6

%endmacro

; in: 4 rows of 8 words in m0..m3
; out: 8 rows of 4 words in %1..%8
%macro TRANSPOSE8x4W_STORE 9
    TRANSPOSE4x4W     0, 1, 2, 3, 4

    pxor             m5, m5; zeros reg
    CLIPW            m0, m5, %9
    CLIPW            m1, m5, %9
    CLIPW            m2, m5, %9
    CLIPW            m3, m5, %9

    movq             %1, m0
    movhps           %2, m0
    movq             %3, m1
    movhps           %4, m1
    movq             %5, m2
    movhps           %6, m2
    movq             %7, m3
    movhps           %8, m3
%endmacro

; in: 8 rows of 8 bytes in %1..%8
; out: 8 rows of 8 words in m0..m7
%macro TRANSPOSE8x8B_LOAD 8
    movq             m7, %1
    movq             m2, %2
    movq             m1, %3
    movq             m3, %4

    punpcklbw        m7, m2
    punpcklbw        m1, m3
    punpcklwd        m3, m7, m1
    punpckhwd        m7, m1

    movq             m4, %5
    movq             m6, %6
    movq             m5, %7
    movq            m15, %8

    punpcklbw        m4, m6
    punpcklbw        m5, m15
    punpcklwd        m9, m4, m5
    punpckhwd        m4, m5

    punpckldq        m1, m3, m9;  0, 1
    punpckhdq        m3, m9;  2, 3

    punpckldq        m5, m7, m4;  4, 5
    punpckhdq        m7, m4;  6, 7

    pxor            m13, m13

    punpcklbw        m0, m1, m13; 0 in 16 bit
    punpckhbw        m1, m13; 1 in 16 bit

    punpcklbw        m2, m3, m13; 2
    punpckhbw        m3, m13; 3

    punpcklbw        m4, m5, m13; 4
    punpckhbw        m5, m13; 5

    punpcklbw        m6, m7, m13; 6
    punpckhbw        m7, m13; 7
%endmacro


; in: 8 rows of 8 words in m0..m8
; out: 8 rows of 8 bytes in %1..%8
%macro TRANSPOSE8x8B_STORE 8
    packuswb         m0, m4
    packuswb         m1, m5
    packuswb         m2, m6
    packuswb         m3, m7
    TRANSPOSE2x4x4B   0, 1, 2, 3, 4

    movq             %1, m0
    movhps           %2, m0
    movq             %3, m1
    movhps           %4, m1
    movq             %5, m2
    movhps           %6, m2
    movq             %7, m3
    movhps           %8, m3
%endmacro

; in: 8 rows of 8 words in %1..%8
; out: 8 rows of 8 words in m0..m7
%macro TRANSPOSE8x8W_LOAD 8
    movdqu           m0, %1
    movdqu           m1, %2
    movdqu           m2, %3
    movdqu           m3, %4
    movdqu           m4, %5
    movdqu           m5, %6
    movdqu           m6, %7
    movdqu           m7, %8
    TRANSPOSE8x8W     0, 1, 2, 3, 4, 5, 6, 7, 8
%endmacro

; in: 8 rows of 8 words in m0..m8
; out: 8 rows of 8 words in %1..%8
%macro TRANSPOSE8x8W_STORE 9
    TRANSPOSE8x8W     0, 1, 2, 3, 4, 5, 6, 7, 8

    pxor             m8, m8
    CLIPW            m0, m8, %9
    CLIPW            m1, m8, %9
    CLIPW            m2, m8, %9
    CLIPW            m3, m8, %9
    CLIPW            m4, m8, %9
    CLIPW            m5, m8, %9
    CLIPW            m6, m8, %9
    CLIPW            m7, m8, %9

    movdqu           %1, m0
    movdqu           %2, m1
    movdqu           %3, m2
    movdqu           %4, m3
    movdqu           %5, m4
    movdqu           %6, m5
    movdqu           %7, m6
    movdqu           %8, m7
%endmacro


; in: %2 clobbered
; out: %1
; mask in m11
; clobbers m10
%macro MASKED_COPY 2
    pand             %2, m11 ; and mask
    pandn           m10, m11, %1; and -mask
    por              %2, m10
    mova             %1, %2
%endmacro

; in: %2 clobbered
; out: %1
; mask in %3, will be clobbered
%macro MASKED_COPY2 3
    pand             %2, %3 ; and mask
    pandn            %3, %1; and -mask
    por              %2, %3
    mova             %1, %2
%endmacro

ALIGN 16
; input in m0 ... m3 and tcs in r2. Output in m1 and m2
%macro CHROMA_DEBLOCK_BODY 1
    psubw            m4, m2, m1; q0 - p0
    psubw            m5, m0, m3; p1 - q1
    psllw            m4, 2; << 2
    paddw            m5, m4;

    ;tc calculations
    movq             m6, [tcq]; tc0
    punpcklwd        m6, m6
    pshufd           m6, m6, 0xA0; tc0, tc1
%if cpuflag(ssse3)
    psignw           m4, m6, [pw_m1]; -tc0, -tc1
%else
    pmullw           m4, m6, [pw_m1]; -tc0, -tc1
%endif
    ;end tc calculations

    paddw            m5, [pw_4]; +4
    psraw            m5, 3; >> 3

%if %1 > 8
    psllw            m4, %1-8; << (BIT_DEPTH - 8)
    psllw            m6, %1-8; << (BIT_DEPTH - 8)
%endif
    pmaxsw           m5, m4
    pminsw           m5, m6
    paddw            m1, m5; p0 + delta0
    psubw            m2, m5; q0 - delta0
%endmacro

; input in m0 ... m7, beta in r2 tcs in r3. Output in m1...m6
%macro LUMA_DEBLOCK_BODY 2
    psllw            m9, m2, 1; *2
    psubw           m10, m1, m9
    paddw           m10, m3
    ABS1            m10, m11 ; 0dp0, 0dp3 , 1dp0, 1dp3

    psllw            m9, m5, 1; *2
    psubw           m11, m6, m9
    paddw           m11, m4
    ABS1            m11, m13 ; 0dq0, 0dq3 , 1dq0, 1dq3

    ;beta calculations
%if %1 > 8
    shl             betaq, %1 - 8
%endif
    movd            m13, betad
    SPLATW          m13, m13, 0
    ;end beta calculations

    paddw            m9, m10, m11;   0d0, 0d3  ,  1d0, 1d3

    pshufhw         m14, m9, 0x0f ;0b00001111;  0d3 0d3 0d0 0d0 in high
    pshuflw         m14, m14, 0x0f ;0b00001111;  1d3 1d3 1d0 1d0 in low

    pshufhw          m9, m9, 0xf0 ;0b11110000; 0d0 0d0 0d3 0d3
    pshuflw          m9, m9, 0xf0 ;0b11110000; 1d0 1d0 1d3 1d3

    paddw           m14, m9; 0d0+0d3, 1d0+1d3

    ;compare
    pcmpgtw         m15, m13, m14
    movmskps        r13, m15 ;filtering mask 0d0 + 0d3 < beta0 (bit 2 or 3) , 1d0 + 1d3 < beta1 (bit 0 or 1)
    test            r13, r13
    je              .bypassluma

    ;weak / strong decision compare to beta_2
    psraw           m15, m13, 2;   beta >> 2
    psllw            m8, m9, 1;
    pcmpgtw         m15, m8; (d0 << 1) < beta_2, (d3 << 1) < beta_2
    movmskps        r6, m15;
    ;end weak / strong decision

    ; weak filter nd_p/q calculation
    pshufd           m8, m10, 0x31
    psrld            m8, 16
    paddw            m8, m10
    movd            r7d, m8
    pshufd           m8, m8, 0x4E
    movd            r8d, m8

    pshufd           m8, m11, 0x31
    psrld            m8, 16
    paddw            m8, m11
    movd            r9d, m8
    pshufd           m8, m8, 0x4E
    movd           r10d, m8
    ; end calc for weak filter

    ; filtering mask
    mov             r11, r13
    shr             r11, 3
    movd            m15, r11d
    and             r13, 1
    movd            m11, r13d
    shufps          m11, m15, 0
    shl             r11, 1
    or              r13, r11

    pcmpeqd         m11, [pd_1]; filtering mask

    ;decide between strong and weak filtering
    ;tc25 calculations
    mov            r11d, [tcq];
%if %1 > 8
    shl             r11, %1 - 8
%endif
    movd             m8, r11d; tc0
    mov             r3d, [tcq+4];
%if %1 > 8
    shl              r3, %1 - 8
%endif
    add            r11d, r3d; tc0 + tc1
    jz             .bypassluma
    movd             m9, r3d; tc1
    punpcklwd        m8, m8
    punpcklwd        m9, m9
    shufps           m8, m9, 0; tc0, tc1
    mova             m9, m8
    psllw            m8, 2; tc << 2
    pavgw            m8, m9; tc25 = ((tc * 5 + 1) >> 1)
    ;end tc25 calculations

    ;----beta_3 comparison-----
    psubw           m12, m0, m3;      p3 - p0
    ABS1            m12, m14; abs(p3 - p0)

    psubw           m15, m7, m4;      q3 - q0
    ABS1            m15, m14; abs(q3 - q0)

    paddw           m12, m15; abs(p3 - p0) + abs(q3 - q0)

    pshufhw         m12, m12, 0xf0 ;0b11110000;
    pshuflw         m12, m12, 0xf0 ;0b11110000;

    psraw           m13, 3; beta >> 3
    pcmpgtw         m13, m12;
    movmskps        r11, m13;
    and             r6, r11; strong mask , beta_2 and beta_3 comparisons
    ;----beta_3 comparison end-----
    ;----tc25 comparison---
    psubw           m12, m3, m4;      p0 - q0
    ABS1            m12, m14; abs(p0 - q0)

    pshufhw         m12, m12, 0xf0 ;0b11110000;
    pshuflw         m12, m12, 0xf0 ;0b11110000;

    pcmpgtw          m8, m12; tc25 comparisons
    movmskps        r11, m8;
    and             r6, r11; strong mask, beta_2, beta_3 and tc25 comparisons
    ;----tc25 comparison end---
    mov             r11, r6;
    shr             r11, 1;
    and             r6, r11; strong mask, bits 2 and 0

    pmullw          m14, m9, [pw_m2]; -tc * 2
    paddw            m9, m9

    and             r6, 5; 0b101
    mov             r11, r6; strong mask
    shr             r6, 2;
    movd            m12, r6d; store to xmm for mask generation
    shl             r6, 1
    and             r11, 1
    movd            m10, r11d; store to xmm for mask generation
    or              r6, r11; final strong mask, bits 1 and 0
    jz      .weakfilter

    shufps          m10, m12, 0
    pcmpeqd         m10, [pd_1]; strong mask

    mova            m13, [pw_4]; 4 in every cell
    pand            m11, m10; combine filtering mask and strong mask
    paddw           m12, m2, m3;          p1 +   p0
    paddw           m12, m4;          p1 +   p0 +   q0
    mova            m10, m12; copy
    paddw           m12, m12;       2*p1 + 2*p0 + 2*q0
    paddw           m12, m1;   p2 + 2*p1 + 2*p0 + 2*q0
    paddw           m12, m5;   p2 + 2*p1 + 2*p0 + 2*q0 + q1
    paddw           m12, m13;  p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4
    psraw           m12, 3;  ((p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4) >> 3)
    psubw           m12, m3; ((p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4) >> 3) - p0
    pmaxsw          m12, m14
    pminsw          m12, m9; av_clip( , -2 * tc, 2 * tc)
    paddw           m12, m3; p0'

    paddw           m15, m1, m10; p2 + p1 + p0 + q0
    psrlw           m13, 1; 2 in every cell
    paddw           m15, m13; p2 + p1 + p0 + q0 + 2
    psraw           m15, 2;  (p2 + p1 + p0 + q0 + 2) >> 2
    psubw           m15, m2;((p2 + p1 + p0 + q0 + 2) >> 2) - p1
    pmaxsw          m15, m14
    pminsw          m15, m9; av_clip( , -2 * tc, 2 * tc)
    paddw           m15, m2; p1'

    paddw            m8, m1, m0;     p3 +   p2
    paddw            m8, m8;   2*p3 + 2*p2
    paddw            m8, m1;   2*p3 + 3*p2
    paddw            m8, m10;  2*p3 + 3*p2 + p1 + p0 + q0
    paddw           m13, m13
    paddw            m8, m13;  2*p3 + 3*p2 + p1 + p0 + q0 + 4
    psraw            m8, 3;   (2*p3 + 3*p2 + p1 + p0 + q0 + 4) >> 3
    psubw            m8, m1; ((2*p3 + 3*p2 + p1 + p0 + q0 + 4) >> 3) - p2
    pmaxsw           m8, m14
    pminsw           m8, m9; av_clip( , -2 * tc, 2 * tc)
    paddw            m8, m1; p2'
    MASKED_COPY      m1, m8

    paddw            m8, m3, m4;         p0 +   q0
    paddw            m8, m5;         p0 +   q0 +   q1
    paddw            m8, m8;       2*p0 + 2*q0 + 2*q1
    paddw            m8, m2;  p1 + 2*p0 + 2*q0 + 2*q1
    paddw            m8, m6;  p1 + 2*p0 + 2*q0 + 2*q1 + q2
    paddw            m8, m13; p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4
    psraw            m8, 3;  (p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4) >>3
    psubw            m8, m4;
    pmaxsw           m8, m14
    pminsw           m8, m9; av_clip( , -2 * tc, 2 * tc)
    paddw            m8, m4; q0'
    MASKED_COPY      m2, m15

    paddw           m15, m3, m4;   p0 + q0
    paddw           m15, m5;   p0 + q0 + q1
    mova            m10, m15;
    paddw           m15, m6;   p0 + q0 + q1 + q2
    psrlw           m13, 1; 2 in every cell
    paddw           m15, m13;  p0 + q0 + q1 + q2 + 2
    psraw           m15, 2;   (p0 + q0 + q1 + q2 + 2) >> 2
    psubw           m15, m5; ((p0 + q0 + q1 + q2 + 2) >> 2) - q1
    pmaxsw          m15, m14
    pminsw          m15, m9; av_clip( , -2 * tc, 2 * tc)
    paddw           m15, m5; q1'

    paddw           m13, m7;      q3 + 2
    paddw           m13, m6;      q3 +  q2 + 2
    paddw           m13, m13;   2*q3 + 2*q2 + 4
    paddw           m13, m6;    2*q3 + 3*q2 + 4
    paddw           m13, m10;   2*q3 + 3*q2 + q1 + q0 + p0 + 4
    psraw           m13, 3;    (2*q3 + 3*q2 + q1 + q0 + p0 + 4) >> 3
    psubw           m13, m6;  ((2*q3 + 3*q2 + q1 + q0 + p0 + 4) >> 3) - q2
    pmaxsw          m13, m14
    pminsw          m13, m9; av_clip( , -2 * tc, 2 * tc)
    paddw           m13, m6; q2'

    MASKED_COPY      m6, m13
    MASKED_COPY      m5, m15
    MASKED_COPY      m4, m8
    MASKED_COPY      m3, m12

.weakfilter:
    not             r6; strong mask -> weak mask
    and             r6, r13; final weak filtering mask, bits 0 and 1
    jz             .store

    ; weak filtering mask
    mov             r11, r6
    shr             r11, 1
    movd            m12, r11d
    and             r6, 1
    movd            m11, r6d
    shufps          m11, m12, 0
    pcmpeqd         m11, [pd_1]; filtering mask

    mov             r13, betaq
    shr             r13, 1;
    add             betaq, r13
    shr             betaq, 3; ((beta + (beta >> 1)) >> 3))

    mova            m13, [pw_8]
    psubw           m12, m4, m3 ; q0 - p0
    psllw           m10, m12, 3; 8 * (q0 - p0)
    paddw           m12, m10 ; 9 * (q0 - p0)

    psubw           m10, m5, m2 ; q1 - p1
    psllw            m8, m10, 1; 2 * ( q1 - p1 )
    paddw           m10, m8; 3 * ( q1 - p1 )
    psubw           m12, m10; 9 * (q0 - p0) - 3 * ( q1 - p1 )
    paddw           m12, m13; + 8
    psraw           m12, 4; >> 4 , delta0
    PABSW           m13, m12; abs(delta0)


    psllw           m10, m9, 2; 8 * tc
    paddw           m10, m9; 10 * tc
    pcmpgtw         m10, m13
    pand            m11, m10

    psraw            m9, 1;   tc * 2 -> tc
    psraw           m14, 1; -tc * 2 -> -tc

    pmaxsw          m12, m14
    pminsw          m12, m9;  av_clip(delta0, -tc, tc)

    psraw            m9, 1;   tc -> tc / 2
%if cpuflag(ssse3)
    psignw          m14, m9, [pw_m1]; -tc / 2
%else
    pmullw          m14, m9, [pw_m1]; -tc / 2
%endif

    pavgw           m15, m1, m3;   (p2 + p0 + 1) >> 1
    psubw           m15, m2;  ((p2 + p0 + 1) >> 1) - p1
    paddw           m15, m12; ((p2 + p0 + 1) >> 1) - p1 + delta0
    psraw           m15, 1;   (((p2 + p0 + 1) >> 1) - p1 + delta0) >> 1
    pmaxsw          m15, m14
    pminsw          m15, m9; av_clip(deltap1, -tc/2, tc/2)
    paddw           m15, m2; p1'

    ;beta calculations
    movd            m10, betad
    SPLATW          m10, m10, 0

    movd            m13, r7d; 1dp0 + 1dp3
    movd             m8, r8d; 0dp0 + 0dp3
    punpcklwd        m8, m8
    punpcklwd       m13, m13
    shufps          m13, m8, 0;
    pcmpgtw          m8, m10, m13
    pand             m8, m11
    ;end beta calculations
    MASKED_COPY2     m2, m15, m8; write p1'

    pavgw            m8, m6, m4;   (q2 + q0 + 1) >> 1
    psubw            m8, m5;  ((q2 + q0 + 1) >> 1) - q1
    psubw            m8, m12; ((q2 + q0 + 1) >> 1) - q1 - delta0)
    psraw            m8, 1;   ((q2 + q0 + 1) >> 1) - q1 - delta0) >> 1
    pmaxsw           m8, m14
    pminsw           m8, m9; av_clip(deltaq1, -tc/2, tc/2)
    paddw            m8, m5; q1'

    movd            m13, r9d;
    movd            m15, r10d;
    punpcklwd       m15, m15
    punpcklwd       m13, m13
    shufps          m13, m15, 0; dq0 + dq3

    pcmpgtw         m10, m13; compare to ((beta+(beta>>1))>>3)
    pand            m10, m11
    MASKED_COPY2     m5, m8, m10; write q1'

    paddw           m15, m3, m12 ; p0 + delta0
    MASKED_COPY      m3, m15

    psubw            m8, m4, m12 ; q0 - delta0
    MASKED_COPY      m4, m8
%endmacro

;-----------------------------------------------------------------------------
; void ff_hevc_v_loop_filter_chroma(uint8_t *_pix, ptrdiff_t _stride, int32_t *tc,
;                                   uint8_t *_no_p, uint8_t *_no_q);
;-----------------------------------------------------------------------------
%macro LOOP_FILTER_CHROMA 0
cglobal hevc_v_loop_filter_chroma_8, 3, 5, 7, pix, stride, tc, pix0, r3stride
    sub            pixq, 2
    lea       r3strideq, [3*strideq]
    mov           pix0q, pixq
    add            pixq, r3strideq
    TRANSPOSE4x8B_LOAD  PASS8ROWS(pix0q, pixq, strideq, r3strideq)
    CHROMA_DEBLOCK_BODY 8
    TRANSPOSE8x4B_STORE PASS8ROWS(pix0q, pixq, strideq, r3strideq)
    RET

cglobal hevc_v_loop_filter_chroma_10, 3, 5, 7, pix, stride, tc, pix0, r3stride
    sub            pixq, 4
    lea       r3strideq, [3*strideq]
    mov           pix0q, pixq
    add            pixq, r3strideq
    TRANSPOSE4x8W_LOAD  PASS8ROWS(pix0q, pixq, strideq, r3strideq)
    CHROMA_DEBLOCK_BODY 10
    TRANSPOSE8x4W_STORE PASS8ROWS(pix0q, pixq, strideq, r3strideq), [pw_pixel_max_10]
    RET

cglobal hevc_v_loop_filter_chroma_12, 3, 5, 7, pix, stride, tc, pix0, r3stride
    sub            pixq, 4
    lea       r3strideq, [3*strideq]
    mov           pix0q, pixq
    add            pixq, r3strideq
    TRANSPOSE4x8W_LOAD  PASS8ROWS(pix0q, pixq, strideq, r3strideq)
    CHROMA_DEBLOCK_BODY 12
    TRANSPOSE8x4W_STORE PASS8ROWS(pix0q, pixq, strideq, r3strideq), [pw_pixel_max_12]
    RET

;-----------------------------------------------------------------------------
; void ff_hevc_h_loop_filter_chroma(uint8_t *_pix, ptrdiff_t _stride, int32_t *tc,
;                                   uint8_t *_no_p, uint8_t *_no_q);
;-----------------------------------------------------------------------------
cglobal hevc_h_loop_filter_chroma_8, 3, 4, 7, pix, stride, tc, pix0
    mov           pix0q, pixq
    sub           pix0q, strideq
    sub           pix0q, strideq
    movq             m0, [pix0q];    p1
    movq             m1, [pix0q+strideq]; p0
    movq             m2, [pixq];    q0
    movq             m3, [pixq+strideq]; q1
    pxor             m5, m5; zeros reg
    punpcklbw        m0, m5
    punpcklbw        m1, m5
    punpcklbw        m2, m5
    punpcklbw        m3, m5
    CHROMA_DEBLOCK_BODY  8
    packuswb         m1, m2
    movh[pix0q+strideq], m1
    movhps       [pixq], m1
    RET

cglobal hevc_h_loop_filter_chroma_10, 3, 4, 7, pix, stride, tc, pix0
    mov          pix0q, pixq
    sub          pix0q, strideq
    sub          pix0q, strideq
    movu            m0, [pix0q];    p1
    movu            m1, [pix0q+strideq]; p0
    movu            m2, [pixq];    q0
    movu            m3, [pixq+strideq]; q1
    CHROMA_DEBLOCK_BODY 10
    pxor            m5, m5; zeros reg
    CLIPW           m1, m5, [pw_pixel_max_10]
    CLIPW           m2, m5, [pw_pixel_max_10]
    movu [pix0q+strideq], m1
    movu        [pixq], m2
    RET

cglobal hevc_h_loop_filter_chroma_12, 3, 4, 7, pix, stride, tc, pix0
    mov          pix0q, pixq
    sub          pix0q, strideq
    sub          pix0q, strideq
    movu            m0, [pix0q];    p1
    movu            m1, [pix0q+strideq]; p0
    movu            m2, [pixq];    q0
    movu            m3, [pixq+strideq]; q1
    CHROMA_DEBLOCK_BODY 12
    pxor            m5, m5; zeros reg
    CLIPW           m1, m5, [pw_pixel_max_12]
    CLIPW           m2, m5, [pw_pixel_max_12]
    movu [pix0q+strideq], m1
    movu        [pixq], m2
    RET
%endmacro

INIT_XMM sse2
LOOP_FILTER_CHROMA
INIT_XMM avx
LOOP_FILTER_CHROMA

%if ARCH_X86_64
%macro LOOP_FILTER_LUMA 0
;-----------------------------------------------------------------------------
; void ff_hevc_v_loop_filter_luma(uint8_t *_pix, ptrdiff_t _stride, int beta,
;                                 int32_t *tc, uint8_t *_no_p, uint8_t *_no_q);
;-----------------------------------------------------------------------------
cglobal hevc_v_loop_filter_luma_8, 4, 14, 16, pix, stride, beta, tc, pix0, src3stride
    sub            pixq, 4
    lea           pix0q, [3 * r1]
    mov     src3strideq, pixq
    add            pixq, pix0q
    TRANSPOSE8x8B_LOAD  PASS8ROWS(src3strideq, pixq, r1, pix0q)
    LUMA_DEBLOCK_BODY 8, v
.store:
    TRANSPOSE8x8B_STORE PASS8ROWS(src3strideq, pixq, r1, pix0q)
.bypassluma:
    RET

cglobal hevc_v_loop_filter_luma_10, 4, 14, 16, pix, stride, beta, tc, pix0, src3stride
    sub            pixq, 8
    lea           pix0q, [3 * strideq]
    mov     src3strideq, pixq
    add            pixq, pix0q
    TRANSPOSE8x8W_LOAD  PASS8ROWS(src3strideq, pixq, strideq, pix0q)
    LUMA_DEBLOCK_BODY 10, v
.store:
    TRANSPOSE8x8W_STORE PASS8ROWS(src3strideq, pixq, r1, pix0q), [pw_pixel_max_10]
.bypassluma:
    RET

cglobal hevc_v_loop_filter_luma_12, 4, 14, 16, pix, stride, beta, tc, pix0, src3stride
    sub            pixq, 8
    lea           pix0q, [3 * strideq]
    mov     src3strideq, pixq
    add            pixq, pix0q
    TRANSPOSE8x8W_LOAD  PASS8ROWS(src3strideq, pixq, strideq, pix0q)
    LUMA_DEBLOCK_BODY 12, v
.store:
    TRANSPOSE8x8W_STORE PASS8ROWS(src3strideq, pixq, r1, pix0q), [pw_pixel_max_12]
.bypassluma:
    RET

;-----------------------------------------------------------------------------
; void ff_hevc_h_loop_filter_luma(uint8_t *_pix, ptrdiff_t _stride, int beta,
;                                 int32_t *tc, uint8_t *_no_p, uint8_t *_no_q);
;-----------------------------------------------------------------------------
cglobal hevc_h_loop_filter_luma_8, 4, 14, 16, pix, stride, beta, tc, pix0, src3stride
    lea     src3strideq, [3 * strideq]
    mov           pix0q, pixq
    sub           pix0q, src3strideq
    sub           pix0q, strideq
    movq             m0, [pix0q];               p3
    movq             m1, [pix0q +     strideq]; p2
    movq             m2, [pix0q + 2 * strideq]; p1
    movq             m3, [pix0q + src3strideq]; p0
    movq             m4, [pixq];                q0
    movq             m5, [pixq +     strideq];  q1
    movq             m6, [pixq + 2 * strideq];  q2
    movq             m7, [pixq + src3strideq];  q3
    pxor             m8, m8
    punpcklbw        m0, m8
    punpcklbw        m1, m8
    punpcklbw        m2, m8
    punpcklbw        m3, m8
    punpcklbw        m4, m8
    punpcklbw        m5, m8
    punpcklbw        m6, m8
    punpcklbw        m7, m8
    LUMA_DEBLOCK_BODY 8, h
.store:
    packuswb          m1, m2
    packuswb          m3, m4
    packuswb          m5, m6
    movh   [pix0q +     strideq], m1
    movhps [pix0q + 2 * strideq], m1
    movh   [pix0q + src3strideq], m3
    movhps [pixq               ], m3
    movh   [pixq  +     strideq], m5
    movhps [pixq  + 2 * strideq], m5
.bypassluma:
    RET

cglobal hevc_h_loop_filter_luma_10, 4, 14, 16, pix, stride, beta, tc, pix0, src3stride
    lea                  src3strideq, [3 * strideq]
    mov                        pix0q, pixq
    sub                        pix0q, src3strideq
    sub                        pix0q, strideq
    movdqu                        m0, [pix0q];               p3
    movdqu                        m1, [pix0q +     strideq]; p2
    movdqu                        m2, [pix0q + 2 * strideq]; p1
    movdqu                        m3, [pix0q + src3strideq]; p0
    movdqu                        m4, [pixq];                q0
    movdqu                        m5, [pixq  +     strideq]; q1
    movdqu                        m6, [pixq  + 2 * strideq]; q2
    movdqu                        m7, [pixq  + src3strideq]; q3
    LUMA_DEBLOCK_BODY             10, h
.store:
    pxor                          m8, m8; zeros reg
    CLIPW                         m1, m8, [pw_pixel_max_10]
    CLIPW                         m2, m8, [pw_pixel_max_10]
    CLIPW                         m3, m8, [pw_pixel_max_10]
    CLIPW                         m4, m8, [pw_pixel_max_10]
    CLIPW                         m5, m8, [pw_pixel_max_10]
    CLIPW                         m6, m8, [pw_pixel_max_10]
    movdqu     [pix0q +     strideq], m1;  p2
    movdqu     [pix0q + 2 * strideq], m2;  p1
    movdqu     [pix0q + src3strideq], m3;  p0
    movdqu     [pixq               ], m4;  q0
    movdqu     [pixq  +     strideq], m5;  q1
    movdqu     [pixq  + 2 * strideq], m6;  q2
.bypassluma:
    RET

cglobal hevc_h_loop_filter_luma_12, 4, 14, 16, pix, stride, beta, tc, pix0, src3stride
    lea                  src3strideq, [3 * strideq]
    mov                        pix0q, pixq
    sub                        pix0q, src3strideq
    sub                        pix0q, strideq
    movdqu                        m0, [pix0q];               p3
    movdqu                        m1, [pix0q +     strideq]; p2
    movdqu                        m2, [pix0q + 2 * strideq]; p1
    movdqu                        m3, [pix0q + src3strideq]; p0
    movdqu                        m4, [pixq];                q0
    movdqu                        m5, [pixq  +     strideq]; q1
    movdqu                        m6, [pixq  + 2 * strideq]; q2
    movdqu                        m7, [pixq  + src3strideq]; q3
    LUMA_DEBLOCK_BODY             12, h
.store:
    pxor                          m8, m8; zeros reg
    CLIPW                         m1, m8, [pw_pixel_max_12]
    CLIPW                         m2, m8, [pw_pixel_max_12]
    CLIPW                         m3, m8, [pw_pixel_max_12]
    CLIPW                         m4, m8, [pw_pixel_max_12]
    CLIPW                         m5, m8, [pw_pixel_max_12]
    CLIPW                         m6, m8, [pw_pixel_max_12]
    movdqu     [pix0q +     strideq], m1;  p2
    movdqu     [pix0q + 2 * strideq], m2;  p1
    movdqu     [pix0q + src3strideq], m3;  p0
    movdqu     [pixq               ], m4;  q0
    movdqu     [pixq  +     strideq], m5;  q1
    movdqu     [pixq  + 2 * strideq], m6;  q2
.bypassluma:
    RET

%endmacro

INIT_XMM sse2
LOOP_FILTER_LUMA
INIT_XMM ssse3
LOOP_FILTER_LUMA
INIT_XMM avx
LOOP_FILTER_LUMA
%endif