f244cbd5
 Hu Chunming
ffmpeg支持h264编码
|
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
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
|
/*****************************************************************************
* quant-a.S: LoongArch quantization and level-run
*****************************************************************************
* Copyright (C) 2023-2024 x264 project
*
* Authors: Shiyou Yin <yinshiyou-hf@loongson.cn>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA.
*
* This program is also available under a commercial proprietary license.
* For more information, contact us at licensing@x264.com.
*****************************************************************************/
#include "loongson_asm.S"
#include "loongson_util.S"
const last64_shuf
.int 0, 4, 1, 5, 2, 6, 3, 7
endconst
/*
* int quant_4x4x4( dctcoef dct[4][16], udctcoef mf[16], udctcoef bias[16] )
*/
.macro QUANT_ONE_LASX s1, s2, s3, s4
xvld xr1, \s1, 0 /* Load dctcoef */
xvadda.h \s4, xr1, \s3
xvmuh.hu \s4, \s4, \s2
xvsigncov.h \s4, xr1, \s4
xvst \s4, \s1, 0
.endm
function_x264 quant_4x4x4_lasx
xvld xr2, a1, 0
xvld xr3, a2, 0
QUANT_ONE_LASX a0, xr2, xr3, xr4
addi.d a0, a0, 32
QUANT_ONE_LASX a0, xr2, xr3, xr0
xvssrlni.h.w xr0, xr4, 0
addi.d a0, a0, 32
QUANT_ONE_LASX a0, xr2, xr3, xr4
addi.d a0, a0, 32
QUANT_ONE_LASX a0, xr2, xr3, xr5
xvssrlni.h.w xr5, xr4, 0
xvssrlni.h.w xr5, xr0, 0
xvseqi.w xr5, xr5, 0
xvmskltz.w xr5, xr5
xvpickve2gr.w t0, xr5, 0
xvpickve2gr.w t1, xr5, 4
alsl.d t0, t1, t0, 4
and t0, t0, t1
xori a0, t0, 0xf
endfunc_x264
.macro QUANT_ONE_LSX tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7
vld vr0, \tmp1, 0
vld vr1, \tmp1, 16
vadda.h \tmp6, vr0, \tmp4
vadda.h \tmp7, vr1, \tmp5
vmuh.hu \tmp6, \tmp6, \tmp2
vmuh.hu \tmp7, \tmp7, \tmp3
vsigncov.h \tmp6, vr0, \tmp6
vsigncov.h \tmp7, vr1, \tmp7
vst \tmp6, \tmp1, 0
vst \tmp7, \tmp1, 16
.endm
function_x264 quant_4x4x4_lsx
vld vr2, a1, 0
vld vr3, a1, 16
vld vr4, a2, 0
vld vr5, a2, 16
QUANT_ONE_LSX a0, vr2, vr3, vr4, vr5, vr6, vr7
addi.d a0, a0, 32
QUANT_ONE_LSX a0, vr2, vr3, vr4, vr5, vr8, vr9
vssrlni.h.w vr8, vr6, 0
vssrlni.h.w vr9, vr7, 0
addi.d a0, a0, 32
QUANT_ONE_LSX a0, vr2, vr3, vr4, vr5, vr10, vr11
addi.d a0, a0, 32
QUANT_ONE_LSX a0, vr2, vr3, vr4, vr5, vr12, vr13
vssrlni.h.w vr12, vr10, 0
vssrlni.h.w vr13, vr11, 0
vssrlni.h.w vr12, vr8, 0
vssrlni.h.w vr13, vr9, 0
vseqi.w vr12, vr12, 0
vseqi.w vr13, vr13, 0
vmskltz.w vr12, vr12
vmskltz.w vr13, vr13
vpickve2gr.w t0, vr12, 0
vpickve2gr.w t1, vr13, 0
alsl.d t0, t1, t0, 4
and t0, t0, t1
xori a0, t0, 0xf
endfunc_x264
function_x264 quant_4x4_lsx
vld vr2, a1, 0
vld vr3, a1, 16
vld vr4, a2, 0
vld vr5, a2, 16
QUANT_ONE_LSX a0, vr2, vr3, vr4, vr5, vr10, vr11
vor.v vr22, vr10, vr11
vpickve2gr.d t0, vr22, 0
vpickve2gr.d t1, vr22, 1
or t2, t0, t1
addi.w t3, zero, 1
maskeqz a0, t3, t2
endfunc_x264
function_x264 quant_8x8_lsx
vld vr2, a1, 0
vld vr3, a1, 16
vld vr4, a2, 0
vld vr5, a2, 16
QUANT_ONE_LSX a0, vr2, vr3, vr4, vr5, vr12, vr13
addi.d a0, a0, 32
vld vr2, a1, 32
vld vr3, a1, 48
vld vr4, a2, 32
vld vr5, a2, 48
QUANT_ONE_LSX a0, vr2, vr3, vr4, vr5, vr14, vr15
addi.d a0, a0, 32
vld vr2, a1, 64
vld vr3, a1, 80
vld vr4, a2, 64
vld vr5, a2, 80
QUANT_ONE_LSX a0, vr2, vr3, vr4, vr5, vr22, vr23
addi.d a0, a0, 32
vld vr2, a1, 96
vld vr3, a1, 112
vld vr4, a2, 96
vld vr5, a2, 112
QUANT_ONE_LSX a0, vr2, vr3, vr4, vr5, vr7, vr8
vor.v vr12, vr12, vr14
vor.v vr13, vr13, vr15
vor.v vr22, vr22, vr7
vor.v vr23, vr23, vr8
vor.v vr12, vr12, vr22
vor.v vr13, vr13, vr23
vor.v vr11, vr12, vr13
vpickve2gr.d t0, vr11, 0
vpickve2gr.d t1, vr11, 1
or t2, t0, t1
addi.w t3, zero, 1
maskeqz a0, t3, t2
endfunc_x264
function_x264 quant_4x4_dc_lsx
vld vr0, a0, 0
vld vr1, a0, 16
vreplgr2vr.w vr2, a1
vreplgr2vr.w vr3, a2
vslei.h vr4, vr0, 0
vslei.h vr5, vr1, 0
vexth.w.h vr7, vr0
vsllwil.w.h vr6, vr0, 0
vexth.w.h vr9, vr1
vsllwil.w.h vr8, vr1, 0
vadda.w vr6, vr3, vr6
vadda.w vr7, vr3, vr7
vadda.w vr8, vr3, vr8
vadda.w vr9, vr3, vr9
vmul.w vr6, vr6, vr2
vmul.w vr7, vr7, vr2
vmul.w vr8, vr8, vr2
vmul.w vr9, vr9, vr2
vsrani.h.w vr8, vr6, 16
vsrani.h.w vr9, vr7, 16
vpermi.w vr10, vr9, 0x0E
vpermi.w vr9, vr8, 0x44
vpermi.w vr10, vr8, 0x4E
vneg.h vr11, vr9
vneg.h vr12, vr10
vbitsel.v vr13, vr9, vr11, vr4
vbitsel.v vr14, vr10, vr12, vr5
vst vr13, a0, 0
vst vr14, a0, 16
vor.v vr15, vr11, vr12
vpickve2gr.d t0, vr15, 0
vpickve2gr.d t1, vr15, 1
or t2, t0, t1
addi.w t3, zero, 1
maskeqz a0, t3, t2
endfunc_x264
/*
* int quant_2x2_dc( dctcoef dct[4], int mf, int bias )
*/
function_x264 quant_2x2_dc_lsx
fld.d f0, a0, 0
vreplgr2vr.w vr1, a1
vreplgr2vr.w vr2, a2
vslei.h vr3, vr0, 0
vsllwil.w.h vr4, vr0, 0
vadda.w vr4, vr4, vr2
vmul.w vr4, vr4, vr1
vsrani.h.w vr4, vr4, 16
vneg.h vr8, vr4
vbitsel.v vr9, vr4, vr8, vr3
vstelm.d vr9, a0, 0, 0
vpickve2gr.w t0, vr9, 0
vpickve2gr.w t1, vr9, 1
or t2, t0, t1
addi.w t3, zero, 1
maskeqz a0, t3, t2
endfunc_x264
/*
* int coeff_last64_c(dctcoef *l)
*/
function_x264 coeff_last64_lasx
addi.w t0, zero, 63
xvxor.v xr20, xr0, xr0
xvld xr0, a0, 0
xvld xr1, a0, 32
xvld xr2, a0, 64
xvld xr3, a0, 96
xvldi xr4, 1
la.local t1, last64_shuf
xvld xr7, t1, 0
xvldi xr9, 0x408
xvldi xr10, 0x401
xvssrlni.bu.h xr1, xr0, 0
xvssrlni.bu.h xr3, xr2, 0
xvsle.bu xr5, xr4, xr1
xvsle.bu xr6, xr4, xr3
xvssrlni.bu.h xr6, xr5, 4
xvperm.w xr6, xr6, xr7
xvclz.w xr7, xr6
xvssrlni.hu.w xr7, xr7, 2
xvpermi.d xr8, xr7, 0xd8
xvsub.h xr9, xr9, xr8
xvsll.h xr10, xr10, xr9
xvssrlni.bu.h xr10, xr10, 1
xvclz.d xr11, xr10
xvpickve2gr.w t3, xr11, 0
sub.w a0, t0, t3
endfunc_x264
function_x264 coeff_last64_lsx
addi.w t0, zero, 63
vxor.v vr20, vr0, vr0
vld vr0, a0, 0
vld vr1, a0, 16
vld vr2, a0, 32
vld vr3, a0, 48
vld vr4, a0, 64
vld vr5, a0, 80
vld vr6, a0, 96
vld vr7, a0, 112
vldi vr8, 1
vldi vr9, 0x408
vldi vr10, 0x401
vssrlni.bu.h vr0, vr0, 0
vssrlni.bu.h vr1, vr1, 0
vssrlni.bu.h vr2, vr2, 0
vssrlni.bu.h vr3, vr3, 0
vssrlni.bu.h vr4, vr4, 0
vssrlni.bu.h vr5, vr5, 0
vssrlni.bu.h vr6, vr6, 0
vssrlni.bu.h vr7, vr7, 0
vpermi.w vr2, vr0, 0x44
vpermi.w vr3, vr1, 0x44
vpermi.w vr6, vr4, 0x44
vpermi.w vr7, vr5, 0x44
vsle.bu vr2, vr8, vr2
vsle.bu vr3, vr8, vr3
vsle.bu vr6, vr8, vr6
vsle.bu vr7, vr8, vr7
vssrlni.bu.h vr2, vr2, 4
vssrlni.bu.h vr3, vr3, 4
vssrlni.bu.h vr6, vr6, 4
vssrlni.bu.h vr7, vr7, 4
vpermi.w vr6, vr2, 0x44
vpermi.w vr7, vr3, 0x44
vpermi.w vr11, vr7, 0x0E
vpermi.w vr7, vr6, 0x44
vpermi.w vr7, vr7, 0xD8
vpermi.w vr11, vr6, 0x4E
vpermi.w vr11, vr11, 0xD8
vclz.w vr7, vr7
vclz.w vr11, vr11
vssrlni.hu.w vr7, vr7, 2
vssrlni.hu.w vr11, vr11, 2
vpermi.w vr12, vr11, 0x0E
vpermi.w vr11, vr7, 0x44
vpermi.w vr12, vr7, 0x4E
vsub.h vr11, vr9, vr11
vsub.h vr12, vr9, vr12
vsll.h vr13, vr10, vr11
vsll.h vr14, vr10, vr12
vssrlni.bu.h vr13, vr13, 1
vssrlni.bu.h vr14, vr14, 1
vclz.d vr15, vr14
vpickve2gr.w t1, vr15, 0
sub.w a0, t0, t1
endfunc_x264
/*
* int coeff_last16_c(dctcoef *l)
*/
function_x264 coeff_last16_lasx
addi.w t0, zero, 15
xvld xr0, a0, 0
xvldi xr2, 1
xvssrlni.bu.h xr0, xr0, 0
xvpermi.d xr1, xr0, 0xd8
xvsle.bu xr3, xr2, xr1
xvssrlni.bu.h xr3, xr3, 4
xvclz.d xr4, xr3
xvpickve2gr.w t1, xr4, 0
srai.w t1, t1, 2
sub.w a0, t0, t1
endfunc_x264
function_x264 coeff_last16_lsx
addi.w t0, zero, 15
vld vr0, a0, 0
vld vr1, a0, 16
vldi vr2, 1
vssrlni.bu.h vr0, vr0, 0
vssrlni.bu.h vr1, vr1, 0
vpermi.w vr1, vr0, 0x44
vsle.bu vr3, vr2, vr1
vssrlni.bu.h vr3, vr3, 4
vclz.d vr4, vr3
vpickve2gr.w t1, vr4, 0
srai.w t1, t1, 2
sub.w a0, t0, t1
endfunc_x264
/*
* int coeff_last15_c(dctcoef *l)
*/
function_x264 coeff_last15_lasx
addi.w t0, zero, 15
vld vr0, a0, 0
vld vr1, a0, 16
xvldi xr3, 1
vinsgr2vr.h vr1, zero, 7
xvpermi.q xr1, xr0, 0x20
xvssrlni.bu.h xr1, xr1, 0
xvpermi.d xr2, xr1, 0xd8
xvsle.bu xr4, xr3, xr2
xvssrlni.bu.h xr4, xr4, 4
xvclz.d xr5, xr4
xvpickve2gr.w t1, xr5, 0
srai.w t1, t1, 2
sub.w a0, t0, t1
endfunc_x264
function_x264 coeff_last15_lsx
addi.w t0, zero, 15
vld vr0, a0, 0
vld vr1, a0, 16
vldi vr2, 1
vinsgr2vr.h vr1, zero, 7
vssrlni.bu.h vr0, vr0, 0
vssrlni.bu.h vr1, vr1, 0
vpermi.w vr1, vr0, 0x44
vsle.bu vr3, vr2, vr1
vssrlni.bu.h vr3, vr3, 4
vclz.d vr4, vr3
vpickve2gr.w t1, vr4, 0
srai.w t1, t1, 2
sub.w a0, t0, t1
endfunc_x264
/*
* int coeff_last8_c(dctcoef *l)
*/
function_x264 coeff_last8_lsx
addi.w t0, zero, 7
vld vr0, a0, 0
vclz.d vr1, vr0
vpickve2gr.w t1, vr1, 0
vpickve2gr.w t2, vr1, 2
li.d t3, 64
bne t2, t3, .LAST8_LOW_LSX
addi.d t4, t1, 0
addi.d t0, t0, -4
b .LAST8_END_LSX
.LAST8_LOW_LSX:
addi.d t4, t2, 0
.LAST8_END_LSX:
srai.w t4, t4, 4
sub.w a0, t0, t4
endfunc_x264
/*
* int coeff_last4_c(dctcoef *l)
*/
function_x264 coeff_last4_lsx
addi.w t0, zero, 3
vld vr0, a0, 0
vclz.d vr1, vr0
vpickve2gr.w t1, vr1, 0
srai.w t1, t1, 4
sub.w a0, t0, t1
endfunc_x264
// (dct[i] * dequant_mf[i]) << (i_qbits)
.macro DCT_MF a0, a1, in0, out0, out1
vld vr1, \a0, 0
xvld xr2, \a1, 0
vext2xv.w.h xr5, xr1
xvmul.w xr5, xr5, xr2
xvsll.w \out0, xr5, \in0
vld vr1, \a0, 16
xvld xr2, \a1, 32
vext2xv.w.h xr5, xr1
xvmul.w xr5, xr5, xr2
xvsll.w \out1, xr5, \in0
.endm
// (dct[i] * dequant_mf[i] + f) >> (-i_qbits)
.macro DCT_MF_F a0, a1, in0, out0, out1
vld vr1, \a0, 0
xvld xr2, \a1, 0
vext2xv.w.h xr5, xr1
xvmul.w xr5, xr5, xr2
xvsrar.w \out0, xr5, \in0
vld vr1, \a0, 16
xvld xr2, \a1, 32
vext2xv.w.h xr5, xr1
xvmul.w xr5, xr5, xr2
xvsrar.w \out1, xr5, \in0
.endm
/*
* void dequant_4x4( dctcoef dct[16], int dequant_mf[6][16], int i_qp )
*/
function_x264 dequant_4x4_lasx
addi.w t1, zero, 6
addi.w t2, zero, 4
div.w t0, a2, t1
sub.w t0, t0, t2 // i_qp/6 - 4
mod.w t1, a2, t1 // i_qp%6
slli.w t1, t1, 6
add.d a1, a1, t1
blt t0, zero, .DQ4x4_DEQUANT_SHR
// i_qbits >= 0
xvreplgr2vr.w xr0, t0
DCT_MF a0, a1, xr0, xr6, xr7
b .DQ4x4_END
.DQ4x4_DEQUANT_SHR:
sub.w t4, zero, t0
xvreplgr2vr.w xr4, t4
DCT_MF_F a0, a1, xr4, xr6, xr7
.DQ4x4_END:
xvpickev.h xr8, xr7, xr6
xvpermi.d xr8, xr8, 0xd8
xvst xr8, a0, 0
endfunc_x264
.macro DCT_MF_LSX tmp0, tmp1, in0, out0, out1, out2, out3
vld vr0, \tmp0, 0
vld vr1, \tmp1, 0
vld vr2, \tmp1, 16
vexth.w.h vr4, vr0
vsllwil.w.h vr3, vr0, 0
vmul.w vr3, vr3, vr1
vmul.w vr4, vr4, vr2
vsll.w \out0, vr3, \in0
vsll.w \out1, vr4, \in0
vld vr0, \tmp0, 16
vld vr1, \tmp1, 32
vld vr2, \tmp1, 48
vsllwil.w.h vr3, vr0, 0
vpermi.w vr4, vr0, 0x0E
vsllwil.w.h vr4, vr4, 0
vmul.w vr3, vr3, vr1
vmul.w vr4, vr4, vr2
vsll.w \out2, vr3, \in0
vsll.w \out3, vr4, \in0
.endm
.macro DCT_MF_F_LSX tmp0, tmp1, in0, out0, out1, out2, out3
vld vr0, \tmp0, 0
vld vr1, \tmp1, 0
vld vr2, \tmp1, 16
vexth.w.h vr4, vr0
vsllwil.w.h vr3, vr0, 0
vmul.w vr3, vr3, vr1
vmul.w vr4, vr4, vr2
vsrar.w \out0, vr3, \in0
vsrar.w \out1, vr4, \in0
vld vr0, \tmp0, 16
vld vr1, \tmp1, 32
vld vr2, \tmp1, 48
vexth.w.h vr4, vr0
vsllwil.w.h vr3, vr0, 0
vmul.w vr3, vr3, vr1
vmul.w vr4, vr4, vr2
vsrar.w \out2, vr3, \in0
vsrar.w \out3, vr4, \in0
.endm
function_x264 dequant_4x4_lsx
addi.w t1, zero, 6
addi.w t2, zero, 4
div.w t0, a2, t1
sub.w t0, t0, t2
mod.w t1, a2, t1
slli.w t1, t1, 6
add.d a1, a1, t1
blt t0, zero, .DQ4x4_DEQUANT_SHR_LSX
vreplgr2vr.w vr6, t0
DCT_MF_LSX a0, a1, vr6, vr7, vr8, vr9, vr10
b .DQ4x4_END_LSX
.DQ4x4_DEQUANT_SHR_LSX:
sub.w t4, zero, t0
vreplgr2vr.w vr6, t4
DCT_MF_F_LSX a0, a1, vr6, vr7, vr8, vr9, vr10
.DQ4x4_END_LSX:
vpickev.h vr11, vr9, vr7
vpickev.h vr12, vr10, vr8
vpermi.w vr13, vr12, 0x0E
vpermi.w vr12, vr11, 0x44
vpermi.w vr13, vr11, 0x4E
vst vr12, a0, 0
vst vr13, a0, 16
endfunc_x264
/*
* void dequant_8x8( dctcoef dct[64], int dequant_mf[6][64], int i_qp )
*/
function_x264 dequant_8x8_lasx
addi.w t1, zero, 6
div.w t0, a2, t1
sub.w t0, t0, t1
mod.w t1, a2, t1 // i_qp%6
slli.w t1, t1, 8
add.d a1, a1, t1
blt t0, zero, .DQ8x8_DEQUANT_SHR
// i_qbits >= 0
xvreplgr2vr.w xr0, t0
DCT_MF a0, a1, xr0, xr6, xr7
xvpickev.h xr8, xr7, xr6
xvpermi.d xr8, xr8, 0xd8
xvst xr8, a0, 0
.rept 3
addi.d a0, a0, 32
addi.d a1, a1, 64
DCT_MF a0, a1, xr0, xr6, xr7
xvpickev.h xr8, xr7, xr6
xvpermi.d xr8, xr8, 0xd8
xvst xr8, a0, 0
.endr
b .DQ8x8_END
// i_qbits < 0
.DQ8x8_DEQUANT_SHR:
sub.w t4, zero, t0
xvreplgr2vr.w xr4, t4
DCT_MF_F a0, a1, xr4, xr6, xr7
xvpickev.h xr8, xr7, xr6
xvpermi.d xr8, xr8, 0xd8
xvst xr8, a0, 0
.rept 3
addi.d a0, a0, 32
addi.d a1, a1, 64
DCT_MF_F a0, a1, xr4, xr6, xr7
xvpickev.h xr8, xr7, xr6
xvpermi.d xr8, xr8, 0xd8
xvst xr8, a0, 0
.endr
.DQ8x8_END:
endfunc_x264
function_x264 dequant_8x8_lsx
addi.w t1, zero, 6
div.w t0, a2, t1
sub.w t0, t0, t1
mod.w t1, a2, t1
slli.w t1, t1, 8
add.d a1, a1, t1
blt t0, zero, .DQ8x8_DEQUANT_SHR_LSX
vreplgr2vr.w vr6, t0
DCT_MF_LSX a0, a1, vr6, vr7, vr8, vr9, vr10
vpickev.h vr11, vr9, vr7
vpickev.h vr12, vr10, vr8
vpermi.w vr13, vr12, 0x0E
vpermi.w vr12, vr11, 0x44
vpermi.w vr13, vr11, 0x4E
vst vr12, a0, 0
vst vr13, a0, 16
.rept 3
addi.d a0, a0, 32
addi.d a1, a1, 64
DCT_MF_LSX a0, a1, vr6, vr7, vr8, vr9, vr10
vpickev.h vr11, vr9, vr7
vpickev.h vr12, vr10, vr8
vpermi.w vr13, vr12, 0x0E
vpermi.w vr12, vr11, 0x44
vpermi.w vr13, vr11, 0x4E
vst vr12, a0, 0
vst vr13, a0, 16
.endr
b .DQ8x8_END_LSX
.DQ8x8_DEQUANT_SHR_LSX:
sub.w t4, zero, t0
vreplgr2vr.w vr6, t4
DCT_MF_F_LSX a0, a1, vr6, vr7, vr8, vr9, vr10
vpickev.h vr11, vr9, vr7
vpickev.h vr12, vr10, vr8
vpermi.w vr13, vr12, 0x0E
vpermi.w vr12, vr11, 0x44
vpermi.w vr13, vr11, 0x4E
vst vr12, a0, 0
vst vr13, a0, 16
.rept 3
addi.d a0, a0, 32
addi.d a1, a1, 64
DCT_MF_F_LSX a0, a1, vr6, vr7, vr8, vr9, vr10
vpickev.h vr11, vr9, vr7
vpickev.h vr12, vr10, vr8
vpermi.w vr13, vr12, 0x0E
vpermi.w vr12, vr11, 0x44
vpermi.w vr13, vr11, 0x4E
vst vr12, a0, 0
vst vr13, a0, 16
.endr
.DQ8x8_END_LSX:
endfunc_x264
/*
* void dequant_4x4_dc( dctcoef dct[16], int dequant_mf[6][16], int i_qp )
*/
function_x264 dequant_4x4_dc_lasx
addi.w t0, zero, 6
div.w t1, a2, t0
sub.w t1, t1, t0
blt t1, zero, .DQ4x4DC_LT_ZERO
// i_qbits >= 0
mod.w t2, a2, t0
slli.w t2, t2, 6
ldx.w t0, a1, t2
sll.w t0, t0, t1
vld vr1, a0, 0
vld vr10, a0, 16
xvreplgr2vr.w xr2, t0
vext2xv.w.h xr3, xr1
xvmul.w xr6, xr3, xr2
vext2xv.w.h xr3, xr10
xvmul.w xr7, xr3, xr2
b .DQ4x4DC_END
// i_qbits < 0
.DQ4x4DC_LT_ZERO:
mod.w t2, a2, t0
slli.w t2, t2, 6
ldx.w t0, a1, t2
sub.w t3, zero, t1
vld vr1, a0, 0
vld vr10, a0, 16
xvreplgr2vr.w xr2, t0
xvreplgr2vr.w xr4, t3
vext2xv.w.h xr5, xr1
xvmul.w xr5, xr5, xr2
xvsrar.w xr6, xr5, xr4
vext2xv.w.h xr5, xr10
xvmul.w xr5, xr5, xr2
xvsrar.w xr7, xr5, xr4
.DQ4x4DC_END:
xvpickev.h xr8, xr7, xr6
xvpermi.d xr8, xr8, 0xd8
xvst xr8, a0, 0
endfunc_x264
function_x264 dequant_4x4_dc_lsx
addi.w t0, zero, 6
div.w t1, a2, t0
sub.w t1, t1, t0
blt t1, zero, .DQ4x4DC_LT_ZERO_LSX
mod.w t2, a2, t0
slli.w t2, t2, 6
ldx.w t0, a1, t2
sll.w t0, t0, t1
vld vr1, a0, 0
vld vr2, a0, 16
vreplgr2vr.w vr3, t0
vexth.w.h vr6, vr1
vsllwil.w.h vr5, vr1, 0
vmul.w vr5, vr5, vr3
vmul.w vr6, vr6, vr3
vexth.w.h vr8, vr2
vsllwil.w.h vr7, vr2, 0
vmul.w vr7, vr7, vr3
vmul.w vr8, vr8, vr3
b .DQ4x4DC_END_LSX
.DQ4x4DC_LT_ZERO_LSX:
mod.w t2, a2, t0
slli.w t2, t2, 6
ldx.w t0, a1, t2
sub.w t3, zero, t1
vld vr1, a0, 0
vld vr2, a0, 16
vreplgr2vr.w vr3, t0
vreplgr2vr.w vr4, t3
vexth.w.h vr6, vr1
vsllwil.w.h vr5, vr1, 0
vexth.w.h vr8, vr2
vsllwil.w.h vr7, vr2, 0
vmul.w vr5, vr5, vr3
vmul.w vr6, vr6, vr3
vmul.w vr7, vr7, vr3
vmul.w vr8, vr8, vr3
vsrar.w vr5, vr5, vr4
vsrar.w vr6, vr6, vr4
vsrar.w vr7, vr7, vr4
vsrar.w vr8, vr8, vr4
.DQ4x4DC_END_LSX:
vpickev.h vr9, vr7, vr5
vpickev.h vr10, vr8, vr6
vpermi.w vr11, vr10, 0x0E
vpermi.w vr10, vr9, 0x44
vpermi.w vr11, vr9, 0x4E
vst vr10, a0, 0
vst vr11, a0, 16
endfunc_x264
/*
* int decimate_score15( dctcoef *dct )
*/
function_x264 decimate_score15_lsx
addi.w t0, zero, 15
la.local t3, x264_decimate_table4
addi.d t4, a0, 2
vld vr0, t4, 0
vld vr1, t4, 16
vldi vr3, 1
vinsgr2vr.h vr1, zero, 7
vssrlni.bu.h vr0, vr0, 0
vssrlni.bu.h vr1, vr1, 0
vpermi.w vr2, vr1, 0x0E
vpermi.w vr1, vr0, 0x44
vpermi.w vr2, vr0, 0x4E
vsle.bu vr4, vr3, vr1
vsle.bu vr5, vr3, vr2
vssrlni.bu.h vr4, vr4, 4
vssrlni.bu.h vr5, vr5, 4
vclz.d vr4, vr4
vclz.d vr5, vr5
vpickve2gr.w t1, vr4, 0
srai.w t1, t1, 2
sub.w t2, t0, t1
addi.w t0, zero, 2
move a0, zero
slli.d t2, t2, 1
.LOOP_SCORE_15_LSX:
blt t2, zero, .END_SCORE_15_LSX
ldx.h t5, t4, t2
addi.d t6, t5, 1
bltu t0, t6, .RET_SCORE_15_1_LSX
addi.d t2, t2, -2
move t5, zero
.WHILE_SCORE_15_LSX:
blt t2, zero, .END_WHILE_15_LSX
ldx.h t1, t4, t2
bnez t1, .END_WHILE_15_LSX
addi.d t2, t2, -2
addi.d t5, t5, 1
b .WHILE_SCORE_15_LSX
.END_WHILE_15_LSX:
ldx.b t1, t3, t5
add.d a0, a0, t1
b .LOOP_SCORE_15_LSX
.RET_SCORE_15_1_LSX:
addi.d a0, zero, 9
jirl $r0, $r1, 0x0
.END_SCORE_15_LSX:
endfunc_x264
/*
* int decimate_score16( dctcoef *dct )
*/
function_x264 decimate_score16_lsx
addi.w t0, zero, 15
la.local t3, x264_decimate_table4
addi.w t0, zero, 15
vld vr0, a0, 0
vld vr1, a0, 16
vldi vr2, 1
vssrlni.bu.h vr0, vr0, 0
vssrlni.bu.h vr1, vr1, 0
vpermi.w vr3, vr1, 0x0E
vpermi.w vr1, vr0, 0x44
vpermi.w vr3, vr0, 0x4E
vsle.bu vr4, vr2, vr1
vsle.bu vr5, vr2, vr3
vssrlni.bu.h vr4, vr4, 4
vssrlni.bu.h vr5, vr5, 4
vclz.d vr4, vr4
vclz.d vr5, vr5
vpickve2gr.w t1, vr4, 0
srai.w t1, t1, 2
sub.w t2, t0, t1
move t4, a0
addi.d t0, zero, 2
move a0, zero
slli.d t2, t2, 1
.LOOP_SCORE_16_LSX:
blt t2, zero, .END_SCORE_16_LSX
ldx.h t5, t4, t2
addi.d t6, t5, 1
bltu t0, t6, .RET_SCORE_16_1_LSX
addi.d t2, t2, -2
move t5, zero
.WHILE_SCORE_16_LSX:
blt t2, zero, .END_WHILE_16_LSX
ldx.h t1, t4, t2
bnez t1, .END_WHILE_16_LSX
addi.d t2, t2, -2
addi.d t5, t5, 1
b .WHILE_SCORE_16_LSX
.END_WHILE_16_LSX:
ldx.b t1, t3, t5
add.d a0, a0, t1
b .LOOP_SCORE_16_LSX
.RET_SCORE_16_1_LSX:
addi.d a0, zero, 9
jirl $r0, $r1, 0x0
.END_SCORE_16_LSX:
endfunc_x264
/*
* int decimate_score64( dctcoef *dct )
*/
function_x264 decimate_score64_lsx
addi.w t0, zero, 63
la.local t3, x264_decimate_table8
vxor.v vr20, vr0, vr0
vld vr0, a0, 0
vld vr1, a0, 16
vld vr2, a0, 32
vld vr3, a0, 48
vld vr4, a0, 64
vld vr5, a0, 80
vld vr6, a0, 96
vld vr7, a0, 112
vldi vr8, 1
vldi vr9, 0x408
vldi vr10, 0x401
vssrlni.bu.h vr0, vr0, 0
vssrlni.bu.h vr1, vr1, 0
vssrlni.bu.h vr2, vr2, 0
vssrlni.bu.h vr3, vr3, 0
vssrlni.bu.h vr4, vr4, 0
vssrlni.bu.h vr5, vr5, 0
vssrlni.bu.h vr6, vr6, 0
vssrlni.bu.h vr7, vr7, 0
vpermi.w vr2, vr0, 0x44
vpermi.w vr3, vr1, 0x44
vpermi.w vr6, vr4, 0x44
vpermi.w vr7, vr5, 0x44
vsle.bu vr2, vr8, vr2
vsle.bu vr3, vr8, vr3
vsle.bu vr6, vr8, vr6
vsle.bu vr7, vr8, vr7
vssrlni.bu.h vr2, vr2, 4
vssrlni.bu.h vr3, vr3, 4
vssrlni.bu.h vr6, vr6, 4
vssrlni.bu.h vr7, vr7, 4
vpermi.w vr6, vr2, 0x44
vpermi.w vr7, vr3, 0x44
vpermi.w vr11, vr7, 0x0E
vpermi.w vr7, vr6, 0x44
vpermi.w vr7, vr7, 0xD8
vpermi.w vr11, vr6, 0x4E
vpermi.w vr11, vr11, 0xD8
vclz.w vr7, vr7
vclz.w vr11, vr11
vssrlni.hu.w vr7, vr7, 2
vssrlni.hu.w vr11, vr11, 2
vpermi.w vr12, vr11, 0x0E
vpermi.w vr11, vr7, 0x44
vpermi.w vr12, vr7, 0x4E
vsub.h vr11, vr9, vr11
vsub.h vr12, vr9, vr12
vsll.h vr13, vr10, vr11
vsll.h vr14, vr10, vr12
vssrlni.bu.h vr13, vr13, 1
vssrlni.bu.h vr14, vr14, 1
vclz.d vr15, vr14
vpickve2gr.w t1, vr15, 0
sub.w t2, t0, t1
move t4, a0
addi.d t0, zero, 2
slli.d t2, t2, 1
move a0, zero
.LOOP_SCORE_64_LSX:
blt t2, zero, .END_SCORE_64_LSX
ldx.h t5, t4, t2
addi.d t6, t5, 1
bltu t0, t6, .RET_SCORE_64_1_LSX
addi.d t2, t2, -2
move t5, zero
.WHILE_SCORE_64_LSX:
blt t2, zero, .END_WHILE_64_LSX
ldx.h t1, t4, t2
bnez t1, .END_WHILE_64_LSX
addi.d t2, t2, -2
addi.d t5, t5, 1
b .WHILE_SCORE_64_LSX
.END_WHILE_64_LSX:
ldx.b t1, t3, t5
add.d a0, a0, t1
b .LOOP_SCORE_64_LSX
.RET_SCORE_64_1_LSX:
addi.d a0, zero, 9
jirl $r0, $r1, 0x0
.END_SCORE_64_LSX:
endfunc_x264
|
