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
|
;
; Simple IDCT MMX
;
; Copyright (c) 2001, 2002 Michael Niedermayer <michaelni@gmx.at>
;
; Conversion from gcc syntax to x264asm syntax with minimal modifications
; by James Darnley <jdarnley@obe.tv>.
;
; 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"
%if ARCH_X86_32
SECTION_RODATA
cextern pb_80
wm1010: dw 0, 0xffff, 0, 0xffff
d40000: dd 4 << 16, 0
; 23170.475006
; 22725.260826
; 21406.727617
; 19265.545870
; 16384.000000
; 12872.826198
; 8866.956905
; 4520.335430
%define C0 23170 ; cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
%define C1 22725 ; cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
%define C2 21407 ; cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
%define C3 19266 ; cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
%define C4 16383 ; cos(i*M_PI/16)*sqrt(2)*(1<<14) - 0.5
%define C5 12873 ; cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
%define C6 8867 ; cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
%define C7 4520 ; cos(i*M_PI/16)*sqrt(2)*(1<<14) + 0.5
%define ROW_SHIFT 11
%define COL_SHIFT 20 ; 6
coeffs:
dw 1 << (ROW_SHIFT - 1), 0
dw 1 << (ROW_SHIFT - 1), 0
dw 1 << (ROW_SHIFT - 1), 1
dw 1 << (ROW_SHIFT - 1), 0
dw C4, C4, C4, C4
dw C4, -C4, C4, -C4
dw C2, C6, C2, C6
dw C6, -C2, C6, -C2
dw C1, C3, C1, C3
dw C5, C7, C5, C7
dw C3, -C7, C3, -C7
dw -C1, -C5, -C1, -C5
dw C5, -C1, C5, -C1
dw C7, C3, C7, C3
dw C7, -C5, C7, -C5
dw C3, -C1, C3, -C1
SECTION .text
%macro DC_COND_IDCT 7
movq mm0, [blockq + %1] ; R4 R0 r4 r0
movq mm1, [blockq + %2] ; R6 R2 r6 r2
movq mm2, [blockq + %3] ; R3 R1 r3 r1
movq mm3, [blockq + %4] ; R7 R5 r7 r5
movq mm4, [wm1010]
pand mm4, mm0
por mm4, mm1
por mm4, mm2
por mm4, mm3
packssdw mm4, mm4
movd t0d, mm4
or t0d, t0d
jz %%1
movq mm4, [coeffs + 16] ; C4 C4 C4 C4
pmaddwd mm4, mm0 ; C4R4+C4R0 C4r4+C4r0
movq mm5, [coeffs + 24] ; -C4 C4 -C4 C4
pmaddwd mm0, mm5 ; -C4R4+C4R0 -C4r4+C4r0
movq mm5, [coeffs + 32] ; C6 C2 C6 C2
pmaddwd mm5, mm1 ; C6R6+C2R2 C6r6+C2r2
movq mm6, [coeffs + 40] ; -C2 C6 -C2 C6
pmaddwd mm1, mm6 ; -C2R6+C6R2 -C2r6+C6r2
movq mm7, [coeffs + 48] ; C3 C1 C3 C1
pmaddwd mm7, mm2 ; C3R3+C1R1 C3r3+C1r1
paddd mm4, [coeffs + 8]
movq mm6, mm4 ; C4R4+C4R0 C4r4+C4r0
paddd mm4, mm5 ; A0 a0
psubd mm6, mm5 ; A3 a3
movq mm5, [coeffs + 56] ; C7 C5 C7 C5
pmaddwd mm5, mm3 ; C7R7+C5R5 C7r7+C5r5
paddd mm0, [coeffs + 8]
paddd mm1, mm0 ; A1 a1
paddd mm0, mm0
psubd mm0, mm1 ; A2 a2
pmaddwd mm2, [coeffs + 64] ; -C7R3+C3R1 -C7r3+C3r1
paddd mm7, mm5 ; B0 b0
movq mm5, [coeffs + 72] ; -C5 -C1 -C5 -C1
pmaddwd mm5, mm3 ; -C5R7-C1R5 -C5r7-C1r5
paddd mm7, mm4 ; A0+B0 a0+b0
paddd mm4, mm4 ; 2A0 2a0
psubd mm4, mm7 ; A0-B0 a0-b0
paddd mm5, mm2 ; B1 b1
psrad mm7, %7
psrad mm4, %7
movq mm2, mm1 ; A1 a1
paddd mm1, mm5 ; A1+B1 a1+b1
psubd mm2, mm5 ; A1-B1 a1-b1
psrad mm1, %7
psrad mm2, %7
packssdw mm7, mm1 ; A1+B1 a1+b1 A0+B0 a0+b0
packssdw mm2, mm4 ; A0-B0 a0-b0 A1-B1 a1-b1
movq [%5], mm7
movq mm1, [blockq + %3] ; R3 R1 r3 r1
movq mm4, [coeffs + 80] ; -C1 C5 -C1 C5
movq [24 + %5], mm2
pmaddwd mm4, mm1 ; -C1R3+C5R1 -C1r3+C5r1
movq mm7, [coeffs + 88] ; C3 C7 C3 C7
pmaddwd mm1, [coeffs + 96] ; -C5R3+C7R1 -C5r3+C7r1
pmaddwd mm7, mm3 ; C3R7+C7R5 C3r7+C7r5
movq mm2, mm0 ; A2 a2
pmaddwd mm3, [coeffs + 104] ; -C1R7+C3R5 -C1r7+C3r5
paddd mm4, mm7 ; B2 b2
paddd mm2, mm4 ; A2+B2 a2+b2
psubd mm0, mm4 ; a2-B2 a2-b2
psrad mm2, %7
psrad mm0, %7
movq mm4, mm6 ; A3 a3
paddd mm3, mm1 ; B3 b3
paddd mm6, mm3 ; A3+B3 a3+b3
psubd mm4, mm3 ; a3-B3 a3-b3
psrad mm6, %7
packssdw mm2, mm6 ; A3+B3 a3+b3 A2+B2 a2+b2
movq [8 + %5], mm2
psrad mm4, %7
packssdw mm4, mm0 ; A2-B2 a2-b2 A3-B3 a3-b3
movq [16 + %5], mm4
jmp %%2
%%1:
pslld mm0, 16
paddd mm0, [d40000]
psrad mm0, 13
packssdw mm0, mm0
movq [%5], mm0
movq [8 + %5], mm0
movq [16 + %5], mm0
movq [24 + %5], mm0
%%2:
%endmacro
%macro Z_COND_IDCT 8
movq mm0, [blockq + %1] ; R4 R0 r4 r0
movq mm1, [blockq + %2] ; R6 R2 r6 r2
movq mm2, [blockq + %3] ; R3 R1 r3 r1
movq mm3, [blockq + %4] ; R7 R5 r7 r5
movq mm4, mm0
por mm4, mm1
por mm4, mm2
por mm4, mm3
packssdw mm4, mm4
movd t0d, mm4
or t0d, t0d
jz %8
movq mm4, [coeffs + 16] ; C4 C4 C4 C4
pmaddwd mm4, mm0 ; C4R4+C4R0 C4r4+C4r0
movq mm5, [coeffs + 24] ; -C4 C4 -C4 C4
pmaddwd mm0, mm5 ; -C4R4+C4R0 -C4r4+C4r0
movq mm5, [coeffs + 32] ; C6 C2 C6 C2
pmaddwd mm5, mm1 ; C6R6+C2R2 C6r6+C2r2
movq mm6, [coeffs + 40] ; -C2 C6 -C2 C6
pmaddwd mm1, mm6 ; -C2R6+C6R2 -C2r6+C6r2
movq mm7, [coeffs + 48] ; C3 C1 C3 C1
pmaddwd mm7, mm2 ; C3R3+C1R1 C3r3+C1r1
paddd mm4, [coeffs]
movq mm6, mm4 ; C4R4+C4R0 C4r4+C4r0
paddd mm4, mm5 ; A0 a0
psubd mm6, mm5 ; A3 a3
movq mm5, [coeffs + 56] ; C7 C5 C7 C5
pmaddwd mm5, mm3 ; C7R7+C5R5 C7r7+C5r5
paddd mm0, [coeffs]
paddd mm1, mm0 ; A1 a1
paddd mm0, mm0
psubd mm0, mm1 ; A2 a2
pmaddwd mm2, [coeffs + 64] ; -C7R3+C3R1 -C7r3+C3r1
paddd mm7, mm5 ; B0 b0
movq mm5, [coeffs + 72] ; -C5 -C1 -C5 -C1
pmaddwd mm5, mm3 ; -C5R7-C1R5 -C5r7-C1r5
paddd mm7, mm4 ; A0+B0 a0+b0
paddd mm4, mm4 ; 2A0 2a0
psubd mm4, mm7 ; A0-B0 a0-b0
paddd mm5, mm2 ; B1 b1
psrad mm7, %7
psrad mm4, %7
movq mm2, mm1 ; A1 a1
paddd mm1, mm5 ; A1+B1 a1+b1
psubd mm2, mm5 ; A1-B1 a1-b1
psrad mm1, %7
psrad mm2, %7
packssdw mm7, mm1 ; A1+B1 a1+b1 A0+B0 a0+b0
packssdw mm2, mm4 ; A0-B0 a0-b0 A1-B1 a1-b1
movq [%5], mm7
movq mm1, [blockq + %3] ; R3 R1 r3 r1
movq mm4, [coeffs + 80] ; -C1 C5 -C1 C5
movq [24 + %5], mm2
pmaddwd mm4, mm1 ; -C1R3+C5R1 -C1r3+C5r1
movq mm7, [coeffs + 88] ; C3 C7 C3 C7
pmaddwd mm1, [coeffs + 96] ; -C5R3+C7R1 -C5r3+C7r1
pmaddwd mm7, mm3 ; C3R7+C7R5 C3r7+C7r5
movq mm2, mm0 ; A2 a2
pmaddwd mm3, [coeffs + 104] ; -C1R7+C3R5 -C1r7+C3r5
paddd mm4, mm7 ; B2 b2
paddd mm2, mm4 ; A2+B2 a2+b2
psubd mm0, mm4 ; a2-B2 a2-b2
psrad mm2, %7
psrad mm0, %7
movq mm4, mm6 ; A3 a3
paddd mm3, mm1 ; B3 b3
paddd mm6, mm3 ; A3+B3 a3+b3
psubd mm4, mm3 ; a3-B3 a3-b3
psrad mm6, %7
packssdw mm2, mm6 ; A3+B3 a3+b3 A2+B2 a2+b2
movq [8 + %5], mm2
psrad mm4, %7
packssdw mm4, mm0 ; A2-B2 a2-b2 A3-B3 a3-b3
movq [16 + %5], mm4
%endmacro
%macro IDCT1 6
movq mm0, %1 ; R4 R0 r4 r0
movq mm1, %2 ; R6 R2 r6 r2
movq mm2, %3 ; R3 R1 r3 r1
movq mm3, %4 ; R7 R5 r7 r5
movq mm4, [coeffs + 16] ; C4 C4 C4 C4
pmaddwd mm4, mm0 ; C4R4+C4R0 C4r4+C4r0
movq mm5, [coeffs + 24] ; -C4 C4 -C4 C4
pmaddwd mm0, mm5 ; -C4R4+C4R0 -C4r4+C4r0
movq mm5, [coeffs + 32] ; C6 C2 C6 C2
pmaddwd mm5, mm1 ; C6R6+C2R2 C6r6+C2r2
movq mm6, [coeffs + 40] ; -C2 C6 -C2 C6
pmaddwd mm1, mm6 ; -C2R6+C6R2 -C2r6+C6r2
movq mm6, mm4 ; C4R4+C4R0 C4r4+C4r0
movq mm7, [coeffs + 48] ; C3 C1 C3 C1
pmaddwd mm7, mm2 ; C3R3+C1R1 C3r3+C1r1
paddd mm4, mm5 ; A0 a0
psubd mm6, mm5 ; A3 a3
movq mm5, mm0 ; -C4R4+C4R0 -C4r4+C4r0
paddd mm0, mm1 ; A1 a1
psubd mm5, mm1 ; A2 a2
movq mm1, [coeffs + 56] ; C7 C5 C7 C5
pmaddwd mm1, mm3 ; C7R7+C5R5 C7r7+C5r5
pmaddwd mm2, [coeffs + 64] ; -C7R3+C3R1 -C7r3+C3r1
paddd mm7, mm1 ; B0 b0
movq mm1, [coeffs + 72] ; -C5 -C1 -C5 -C1
pmaddwd mm1, mm3 ; -C5R7-C1R5 -C5r7-C1r5
paddd mm7, mm4 ; A0+B0 a0+b0
paddd mm4, mm4 ; 2A0 2a0
psubd mm4, mm7 ; A0-B0 a0-b0
paddd mm1, mm2 ; B1 b1
psrad mm7, %6
psrad mm4, %6
movq mm2, mm0 ; A1 a1
paddd mm0, mm1 ; A1+B1 a1+b1
psubd mm2, mm1 ; A1-B1 a1-b1
psrad mm0, %6
psrad mm2, %6
packssdw mm7, mm7 ; A0+B0 a0+b0
movd [%5], mm7
packssdw mm0, mm0 ; A1+B1 a1+b1
movd [16 + %5], mm0
packssdw mm2, mm2 ; A1-B1 a1-b1
movd [96 + %5], mm2
packssdw mm4, mm4 ; A0-B0 a0-b0
movd [112 + %5], mm4
movq mm0, %3 ; R3 R1 r3 r1
movq mm4, [coeffs + 80] ; -C1 C5 -C1 C5
pmaddwd mm4, mm0 ; -C1R3+C5R1 -C1r3+C5r1
movq mm7, [coeffs + 88] ; C3 C7 C3 C7
pmaddwd mm0, [coeffs + 96] ; -C5R3+C7R1 -C5r3+C7r1
pmaddwd mm7, mm3 ; C3R7+C7R5 C3r7+C7r5
movq mm2, mm5 ; A2 a2
pmaddwd mm3, [coeffs + 104] ; -C1R7+C3R5 -C1r7+C3r5
paddd mm4, mm7 ; B2 b2
paddd mm2, mm4 ; A2+B2 a2+b2
psubd mm5, mm4 ; a2-B2 a2-b2
psrad mm2, %6
psrad mm5, %6
movq mm4, mm6 ; A3 a3
paddd mm3, mm0 ; B3 b3
paddd mm6, mm3 ; A3+B3 a3+b3
psubd mm4, mm3 ; a3-B3 a3-b3
psrad mm6, %6
psrad mm4, %6
packssdw mm2, mm2 ; A2+B2 a2+b2
packssdw mm6, mm6 ; A3+B3 a3+b3
movd [32 + %5], mm2
packssdw mm4, mm4 ; A3-B3 a3-b3
packssdw mm5, mm5 ; A2-B2 a2-b2
movd [48 + %5], mm6
movd [64 + %5], mm4
movd [80 + %5], mm5
%endmacro
%macro IDCT2 6
movq mm0, %1 ; R4 R0 r4 r0
movq mm1, %2 ; R6 R2 r6 r2
movq mm3, %4 ; R7 R5 r7 r5
movq mm4, [coeffs + 16] ; C4 C4 C4 C4
pmaddwd mm4, mm0 ; C4R4+C4R0 C4r4+C4r0
movq mm5, [coeffs + 24] ; -C4 C4 -C4 C4
pmaddwd mm0, mm5 ; -C4R4+C4R0 -C4r4+C4r0
movq mm5, [coeffs + 32] ; C6 C2 C6 C2
pmaddwd mm5, mm1 ; C6R6+C2R2 C6r6+C2r2
movq mm6, [coeffs + 40] ; -C2 C6 -C2 C6
pmaddwd mm1, mm6 ; -C2R6+C6R2 -C2r6+C6r2
movq mm6, mm4 ; C4R4+C4R0 C4r4+C4r0
paddd mm4, mm5 ; A0 a0
psubd mm6, mm5 ; A3 a3
movq mm5, mm0 ; -C4R4+C4R0 -C4r4+C4r0
paddd mm0, mm1 ; A1 a1
psubd mm5, mm1 ; A2 a2
movq mm1, [coeffs + 56] ; C7 C5 C7 C5
pmaddwd mm1, mm3 ; C7R7+C5R5 C7r7+C5r5
movq mm7, [coeffs + 72] ; -C5 -C1 -C5 -C1
pmaddwd mm7, mm3 ; -C5R7-C1R5 -C5r7-C1r5
paddd mm1, mm4 ; A0+B0 a0+b0
paddd mm4, mm4 ; 2A0 2a0
psubd mm4, mm1 ; A0-B0 a0-b0
psrad mm1, %6
psrad mm4, %6
movq mm2, mm0 ; A1 a1
paddd mm0, mm7 ; A1+B1 a1+b1
psubd mm2, mm7 ; A1-B1 a1-b1
psrad mm0, %6
psrad mm2, %6
packssdw mm1, mm1 ; A0+B0 a0+b0
movd [%5], mm1
packssdw mm0, mm0 ; A1+B1 a1+b1
movd [16 + %5], mm0
packssdw mm2, mm2 ; A1-B1 a1-b1
movd [96 + %5], mm2
packssdw mm4, mm4 ; A0-B0 a0-b0
movd [112 + %5], mm4
movq mm1, [coeffs + 88] ; C3 C7 C3 C7
pmaddwd mm1, mm3 ; C3R7+C7R5 C3r7+C7r5
movq mm2, mm5 ; A2 a2
pmaddwd mm3, [coeffs + 104] ; -C1R7+C3R5 -C1r7+C3r5
paddd mm2, mm1 ; A2+B2 a2+b2
psubd mm5, mm1 ; a2-B2 a2-b2
psrad mm2, %6
psrad mm5, %6
movq mm1, mm6 ; A3 a3
paddd mm6, mm3 ; A3+B3 a3+b3
psubd mm1, mm3 ; a3-B3 a3-b3
psrad mm6, %6
psrad mm1, %6
packssdw mm2, mm2 ; A2+B2 a2+b2
packssdw mm6, mm6 ; A3+B3 a3+b3
movd [32 + %5], mm2
packssdw mm1, mm1 ; A3-B3 a3-b3
packssdw mm5, mm5 ; A2-B2 a2-b2
movd [48 + %5], mm6
movd [64 + %5], mm1
movd [80 + %5], mm5
%endmacro
%macro IDCT3 6
movq mm0, %1 ; R4 R0 r4 r0
movq mm3, %4 ; R7 R5 r7 r5
movq mm4, [coeffs + 16] ; C4 C4 C4 C4
pmaddwd mm4, mm0 ; C4R4+C4R0 C4r4+C4r0
movq mm5, [coeffs + 24] ; -C4 C4 -C4 C4
pmaddwd mm0, mm5 ; -C4R4+C4R0 -C4r4+C4r0
movq mm6, mm4 ; C4R4+C4R0 C4r4+C4r0
movq mm5, mm0 ; -C4R4+C4R0 -C4r4+C4r0
movq mm1, [coeffs + 56] ; C7 C5 C7 C5
pmaddwd mm1, mm3 ; C7R7+C5R5 C7r7+C5r5
movq mm7, [coeffs + 72] ; -C5 -C1 -C5 -C1
pmaddwd mm7, mm3 ; -C5R7-C1R5 -C5r7-C1r5
paddd mm1, mm4 ; A0+B0 a0+b0
paddd mm4, mm4 ; 2A0 2a0
psubd mm4, mm1 ; A0-B0 a0-b0
psrad mm1, %6
psrad mm4, %6
movq mm2, mm0 ; A1 a1
paddd mm0, mm7 ; A1+B1 a1+b1
psubd mm2, mm7 ; A1-B1 a1-b1
psrad mm0, %6
psrad mm2, %6
packssdw mm1, mm1 ; A0+B0 a0+b0
movd [%5], mm1
packssdw mm0, mm0 ; A1+B1 a1+b1
movd [16 + %5], mm0
packssdw mm2, mm2 ; A1-B1 a1-b1
movd [96 + %5], mm2
packssdw mm4, mm4 ; A0-B0 a0-b0
movd [112 + %5], mm4
movq mm1, [coeffs + 88] ; C3 C7 C3 C7
pmaddwd mm1, mm3 ; C3R7+C7R5 C3r7+C7r5
movq mm2, mm5 ; A2 a2
pmaddwd mm3, [coeffs + 104] ; -C1R7+C3R5 -C1r7+C3r5
paddd mm2, mm1 ; A2+B2 a2+b2
psubd mm5, mm1 ; a2-B2 a2-b2
psrad mm2, %6
psrad mm5, %6
movq mm1, mm6 ; A3 a3
paddd mm6, mm3 ; A3+B3 a3+b3
psubd mm1, mm3 ; a3-B3 a3-b3
psrad mm6, %6
psrad mm1, %6
packssdw mm2, mm2 ; A2+B2 a2+b2
packssdw mm6, mm6 ; A3+B3 a3+b3
movd [32 + %5], mm2
packssdw mm1, mm1 ; A3-B3 a3-b3
packssdw mm5, mm5 ; A2-B2 a2-b2
movd [48 + %5], mm6
movd [64 + %5], mm1
movd [80 + %5], mm5
%endmacro
%macro IDCT4 6
movq mm0, %1 ; R4 R0 r4 r0
movq mm2, %3 ; R3 R1 r3 r1
movq mm3, %4 ; R7 R5 r7 r5
movq mm4, [coeffs + 16] ; C4 C4 C4 C4
pmaddwd mm4, mm0 ; C4R4+C4R0 C4r4+C4r0
movq mm5, [coeffs + 24] ; -C4 C4 -C4 C4
pmaddwd mm0, mm5 ; -C4R4+C4R0 -C4r4+C4r0
movq mm6, mm4 ; C4R4+C4R0 C4r4+C4r0
movq mm7, [coeffs + 48] ; C3 C1 C3 C1
pmaddwd mm7, mm2 ; C3R3+C1R1 C3r3+C1r1
movq mm5, mm0 ; -C4R4+C4R0 -C4r4+C4r0
movq mm1, [coeffs + 56] ; C7 C5 C7 C5
pmaddwd mm1, mm3 ; C7R7+C5R5 C7r7+C5r5
pmaddwd mm2, [coeffs + 64] ; -C7R3+C3R1 -C7r3+C3r1
paddd mm7, mm1 ; B0 b0
movq mm1, [coeffs + 72] ; -C5 -C1 -C5 -C1
pmaddwd mm1, mm3 ; -C5R7-C1R5 -C5r7-C1r5
paddd mm7, mm4 ; A0+B0 a0+b0
paddd mm4, mm4 ; 2A0 2a0
psubd mm4, mm7 ; A0-B0 a0-b0
paddd mm1, mm2 ; B1 b1
psrad mm7, %6
psrad mm4, %6
movq mm2, mm0 ; A1 a1
paddd mm0, mm1 ; A1+B1 a1+b1
psubd mm2, mm1 ; A1-B1 a1-b1
psrad mm0, %6
psrad mm2, %6
packssdw mm7, mm7 ; A0+B0 a0+b0
movd [%5], mm7
packssdw mm0, mm0 ; A1+B1 a1+b1
movd [16 + %5], mm0
packssdw mm2, mm2 ; A1-B1 a1-b1
movd [96 + %5], mm2
packssdw mm4, mm4 ; A0-B0 a0-b0
movd [112 + %5], mm4
movq mm0, %3 ; R3 R1 r3 r1
movq mm4, [coeffs + 80] ; -C1 C5 -C1 C5
pmaddwd mm4, mm0 ; -C1R3+C5R1 -C1r3+C5r1
movq mm7, [coeffs + 88] ; C3 C7 C3 C7
pmaddwd mm0, [coeffs + 96] ; -C5R3+C7R1 -C5r3+C7r1
pmaddwd mm7, mm3 ; C3R7+C7R5 C3r7+C7r5
movq mm2, mm5 ; A2 a2
pmaddwd mm3, [coeffs + 104] ; -C1R7+C3R5 -C1r7+C3r5
paddd mm4, mm7 ; B2 b2
paddd mm2, mm4 ; A2+B2 a2+b2
psubd mm5, mm4 ; a2-B2 a2-b2
psrad mm2, %6
psrad mm5, %6
movq mm4, mm6 ; A3 a3
paddd mm3, mm0 ; B3 b3
paddd mm6, mm3 ; A3+B3 a3+b3
psubd mm4, mm3 ; a3-B3 a3-b3
psrad mm6, %6
psrad mm4, %6
packssdw mm2, mm2 ; A2+B2 a2+b2
packssdw mm6, mm6 ; A3+B3 a3+b3
movd [32 + %5], mm2
packssdw mm4, mm4 ; A3-B3 a3-b3
packssdw mm5, mm5 ; A2-B2 a2-b2
movd [48 + %5], mm6
movd [64 + %5], mm4
movd [80 + %5], mm5
%endmacro
%macro IDCT5 6
movq mm0, %1 ; R4 R0 r4 r0
movq mm2, %3 ; R3 R1 r3 r1
movq mm4, [coeffs + 16] ; C4 C4 C4 C4
pmaddwd mm4, mm0 ; C4R4+C4R0 C4r4+C4r0
movq mm5, [coeffs + 24] ; -C4 C4 -C4 C4
pmaddwd mm0, mm5 ; -C4R4+C4R0 -C4r4+C4r0
movq mm6, mm4 ; C4R4+C4R0 C4r4+C4r0
movq mm7, [coeffs + 48] ; C3 C1 C3 C1
pmaddwd mm7, mm2 ; C3R3+C1R1 C3r3+C1r1
movq mm5, mm0 ; -C4R4+C4R0 -C4r4+C4r0
movq mm3, [coeffs + 64]
pmaddwd mm3, mm2 ; -C7R3+C3R1 -C7r3+C3r1
paddd mm7, mm4 ; A0+B0 a0+b0
paddd mm4, mm4 ; 2A0 2a0
psubd mm4, mm7 ; A0-B0 a0-b0
psrad mm7, %6
psrad mm4, %6
movq mm1, mm0 ; A1 a1
paddd mm0, mm3 ; A1+B1 a1+b1
psubd mm1, mm3 ; A1-B1 a1-b1
psrad mm0, %6
psrad mm1, %6
packssdw mm7, mm7 ; A0+B0 a0+b0
movd [%5], mm7
packssdw mm0, mm0 ; A1+B1 a1+b1
movd [16 + %5], mm0
packssdw mm1, mm1 ; A1-B1 a1-b1
movd [96 + %5], mm1
packssdw mm4, mm4 ; A0-B0 a0-b0
movd [112 + %5], mm4
movq mm4, [coeffs + 80] ; -C1 C5 -C1 C5
pmaddwd mm4, mm2 ; -C1R3+C5R1 -C1r3+C5r1
pmaddwd mm2, [coeffs + 96] ; -C5R3+C7R1 -C5r3+C7r1
movq mm1, mm5 ; A2 a2
paddd mm1, mm4 ; A2+B2 a2+b2
psubd mm5, mm4 ; a2-B2 a2-b2
psrad mm1, %6
psrad mm5, %6
movq mm4, mm6 ; A3 a3
paddd mm6, mm2 ; A3+B3 a3+b3
psubd mm4, mm2 ; a3-B3 a3-b3
psrad mm6, %6
psrad mm4, %6
packssdw mm1, mm1 ; A2+B2 a2+b2
packssdw mm6, mm6 ; A3+B3 a3+b3
movd [32 + %5], mm1
packssdw mm4, mm4 ; A3-B3 a3-b3
packssdw mm5, mm5 ; A2-B2 a2-b2
movd [48 + %5], mm6
movd [64 + %5], mm4
movd [80 + %5], mm5
%endmacro
%macro IDCT6 6
movq mm0, [%1] ; R4 R0 r4 r0
movq mm1, [%2] ; R6 R2 r6 r2
movq mm4, [coeffs + 16] ; C4 C4 C4 C4
pmaddwd mm4, mm0 ; C4R4+C4R0 C4r4+C4r0
movq mm5, [coeffs + 24] ; -C4 C4 -C4 C4
pmaddwd mm0, mm5 ; -C4R4+C4R0 -C4r4+C4r0
movq mm5, [coeffs + 32] ; C6 C2 C6 C2
pmaddwd mm5, mm1 ; C6R6+C2R2 C6r6+C2r2
movq mm6, [coeffs + 40] ; -C2 C6 -C2 C6
pmaddwd mm1, mm6 ; -C2R6+C6R2 -C2r6+C6r2
movq mm6, mm4 ; C4R4+C4R0 C4r4+C4r0
paddd mm4, mm5 ; A0 a0
psubd mm6, mm5 ; A3 a3
movq mm5, mm0 ; -C4R4+C4R0 -C4r4+C4r0
paddd mm0, mm1 ; A1 a1
psubd mm5, mm1 ; A2 a2
movq mm2, [8 + %1] ; R4 R0 r4 r0
movq mm3, [8 + %2] ; R6 R2 r6 r2
movq mm1, [coeffs + 16] ; C4 C4 C4 C4
pmaddwd mm1, mm2 ; C4R4+C4R0 C4r4+C4r0
movq mm7, [coeffs + 24] ; -C4 C4 -C4 C4
pmaddwd mm2, mm7 ; -C4R4+C4R0 -C4r4+C4r0
movq mm7, [coeffs + 32] ; C6 C2 C6 C2
pmaddwd mm7, mm3 ; C6R6+C2R2 C6r6+C2r2
pmaddwd mm3, [coeffs + 40] ; -C2R6+C6R2 -C2r6+C6r2
paddd mm7, mm1 ; A0 a0
paddd mm1, mm1 ; 2C0 2c0
psubd mm1, mm7 ; A3 a3
paddd mm3, mm2 ; A1 a1
paddd mm2, mm2 ; 2C1 2c1
psubd mm2, mm3 ; A2 a2
psrad mm4, %6
psrad mm7, %6
psrad mm3, %6
packssdw mm4, mm7 ; A0 a0
movq [%5], mm4
psrad mm0, %6
packssdw mm0, mm3 ; A1 a1
movq [16 + %5], mm0
movq [96 + %5], mm0
movq [112 + %5], mm4
psrad mm5, %6
psrad mm6, %6
psrad mm2, %6
packssdw mm5, mm2 ; A2-B2 a2-b2
movq [32 + %5], mm5
psrad mm1, %6
packssdw mm6, mm1 ; A3+B3 a3+b3
movq [48 + %5], mm6
movq [64 + %5], mm6
movq [80 + %5], mm5
%endmacro
%macro IDCT7 6
movq mm0, %1 ; R4 R0 r4 r0
movq mm1, %2 ; R6 R2 r6 r2
movq mm2, %3 ; R3 R1 r3 r1
movq mm4, [coeffs + 16] ; C4 C4 C4 C4
pmaddwd mm4, mm0 ; C4R4+C4R0 C4r4+C4r0
movq mm5, [coeffs + 24] ; -C4 C4 -C4 C4
pmaddwd mm0, mm5 ; -C4R4+C4R0 -C4r4+C4r0
movq mm5, [coeffs + 32] ; C6 C2 C6 C2
pmaddwd mm5, mm1 ; C6R6+C2R2 C6r6+C2r2
movq mm6, [coeffs + 40] ; -C2 C6 -C2 C6
pmaddwd mm1, mm6 ; -C2R6+C6R2 -C2r6+C6r2
movq mm6, mm4 ; C4R4+C4R0 C4r4+C4r0
movq mm7, [coeffs + 48] ; C3 C1 C3 C1
pmaddwd mm7, mm2 ; C3R3+C1R1 C3r3+C1r1
paddd mm4, mm5 ; A0 a0
psubd mm6, mm5 ; A3 a3
movq mm5, mm0 ; -C4R4+C4R0 -C4r4+C4r0
paddd mm0, mm1 ; A1 a1
psubd mm5, mm1 ; A2 a2
movq mm1, [coeffs + 64]
pmaddwd mm1, mm2 ; -C7R3+C3R1 -C7r3+C3r1
paddd mm7, mm4 ; A0+B0 a0+b0
paddd mm4, mm4 ; 2A0 2a0
psubd mm4, mm7 ; A0-B0 a0-b0
psrad mm7, %6
psrad mm4, %6
movq mm3, mm0 ; A1 a1
paddd mm0, mm1 ; A1+B1 a1+b1
psubd mm3, mm1 ; A1-B1 a1-b1
psrad mm0, %6
psrad mm3, %6
packssdw mm7, mm7 ; A0+B0 a0+b0
movd [%5], mm7
packssdw mm0, mm0 ; A1+B1 a1+b1
movd [16 + %5], mm0
packssdw mm3, mm3 ; A1-B1 a1-b1
movd [96 + %5], mm3
packssdw mm4, mm4 ; A0-B0 a0-b0
movd [112 + %5], mm4
movq mm4, [coeffs + 80] ; -C1 C5 -C1 C5
pmaddwd mm4, mm2 ; -C1R3+C5R1 -C1r3+C5r1
pmaddwd mm2, [coeffs + 96] ; -C5R3+C7R1 -C5r3+C7r1
movq mm3, mm5 ; A2 a2
paddd mm3, mm4 ; A2+B2 a2+b2
psubd mm5, mm4 ; a2-B2 a2-b2
psrad mm3, %6
psrad mm5, %6
movq mm4, mm6 ; A3 a3
paddd mm6, mm2 ; A3+B3 a3+b3
psubd mm4, mm2 ; a3-B3 a3-b3
psrad mm6, %6
packssdw mm3, mm3 ; A2+B2 a2+b2
movd [32 + %5], mm3
psrad mm4, %6
packssdw mm6, mm6 ; A3+B3 a3+b3
movd [48 + %5], mm6
packssdw mm4, mm4 ; A3-B3 a3-b3
packssdw mm5, mm5 ; A2-B2 a2-b2
movd [64 + %5], mm4
movd [80 + %5], mm5
%endmacro
%macro IDCT8 6
movq mm0, [%1] ; R4 R0 r4 r0
movq mm4, [coeffs + 16] ; C4 C4 C4 C4
pmaddwd mm4, mm0 ; C4R4+C4R0 C4r4+C4r0
movq mm5, [coeffs + 24] ; -C4 C4 -C4 C4
pmaddwd mm0, mm5 ; -C4R4+C4R0 -C4r4+C4r0
psrad mm4, %6
psrad mm0, %6
movq mm2, [8 + %1] ; R4 R0 r4 r0
movq mm1, [coeffs + 16] ; C4 C4 C4 C4
pmaddwd mm1, mm2 ; C4R4+C4R0 C4r4+C4r0
movq mm7, [coeffs + 24] ; -C4 C4 -C4 C4
pmaddwd mm2, mm7 ; -C4R4+C4R0 -C4r4+C4r0
movq mm7, [coeffs + 32] ; C6 C2 C6 C2
psrad mm1, %6
packssdw mm4, mm1 ; A0 a0
movq [%5], mm4
psrad mm2, %6
packssdw mm0, mm2 ; A1 a1
movq [16 + %5], mm0
movq [96 + %5], mm0
movq [112 + %5], mm4
movq [32 + %5], mm0
movq [48 + %5], mm4
movq [64 + %5], mm4
movq [80 + %5], mm0
%endmacro
%macro IDCT 0
DC_COND_IDCT 0, 8, 16, 24, rsp + 0, null, 11
Z_COND_IDCT 32, 40, 48, 56, rsp + 32, null, 11, %%4
Z_COND_IDCT 64, 72, 80, 88, rsp + 64, null, 11, %%2
Z_COND_IDCT 96, 104, 112, 120, rsp + 96, null, 11, %%1
IDCT1 [rsp + 0], [rsp + 64], [rsp + 32], [rsp + 96], blockq + 0, 20
IDCT1 [rsp + 8], [rsp + 72], [rsp + 40], [rsp + 104], blockq + 4, 20
IDCT1 [rsp + 16], [rsp + 80], [rsp + 48], [rsp + 112], blockq + 8, 20
IDCT1 [rsp + 24], [rsp + 88], [rsp + 56], [rsp + 120], blockq + 12, 20
jmp %%9
ALIGN 16
%%4:
Z_COND_IDCT 64, 72, 80, 88, rsp + 64, null, 11, %%6
Z_COND_IDCT 96, 104, 112, 120, rsp + 96, null, 11, %%5
IDCT2 [rsp + 0], [rsp + 64], [rsp + 32], [rsp + 96], blockq + 0, 20
IDCT2 [rsp + 8], [rsp + 72], [rsp + 40], [rsp + 104], blockq + 4, 20
IDCT2 [rsp + 16], [rsp + 80], [rsp + 48], [rsp + 112], blockq + 8, 20
IDCT2 [rsp + 24], [rsp + 88], [rsp + 56], [rsp + 120], blockq + 12, 20
jmp %%9
ALIGN 16
%%6:
Z_COND_IDCT 96, 104, 112, 120, rsp + 96, null, 11, %%7
IDCT3 [rsp + 0], [rsp + 64], [rsp + 32], [rsp + 96], blockq + 0, 20
IDCT3 [rsp + 8], [rsp + 72], [rsp + 40], [rsp + 104], blockq + 4, 20
IDCT3 [rsp + 16], [rsp + 80], [rsp + 48], [rsp + 112], blockq + 8, 20
IDCT3 [rsp + 24], [rsp + 88], [rsp + 56], [rsp + 120], blockq + 12, 20
jmp %%9
ALIGN 16
%%2:
Z_COND_IDCT 96, 104, 112, 120, rsp + 96, null, 11, %%3
IDCT4 [rsp + 0], [rsp + 64], [rsp + 32], [rsp + 96], blockq + 0, 20
IDCT4 [rsp + 8], [rsp + 72], [rsp + 40], [rsp + 104], blockq + 4, 20
IDCT4 [rsp + 16], [rsp + 80], [rsp + 48], [rsp + 112], blockq + 8, 20
IDCT4 [rsp + 24], [rsp + 88], [rsp + 56], [rsp + 120], blockq + 12, 20
jmp %%9
ALIGN 16
%%3:
IDCT5 [rsp + 0], [rsp + 64], [rsp + 32], [rsp + 96], blockq + 0, 20
IDCT5 [rsp + 8], [rsp + 72], [rsp + 40], [rsp + 104], blockq + 4, 20
IDCT5 [rsp + 16], [rsp + 80], [rsp + 48], [rsp + 112], blockq + 8, 20
IDCT5 [rsp + 24], [rsp + 88], [rsp + 56], [rsp + 120], blockq + 12, 20
jmp %%9
ALIGN 16
%%5:
IDCT6 rsp + 0, rsp + 64, rsp + 32, rsp + 96, blockq + 0, 20
IDCT6 rsp + 16, rsp + 80, rsp + 48, rsp + 112, blockq + 8, 20
jmp %%9
ALIGN 16
%%1:
IDCT7 [rsp + 0], [rsp + 64], [rsp + 32], [rsp + 96], blockq + 0, 20
IDCT7 [rsp + 8], [rsp + 72], [rsp + 40], [rsp + 104], blockq + 4, 20
IDCT7 [rsp + 16], [rsp + 80], [rsp + 48], [rsp + 112], blockq + 8, 20
IDCT7 [rsp + 24], [rsp + 88], [rsp + 56], [rsp + 120], blockq + 12, 20
jmp %%9
ALIGN 16
%%7:
IDCT8 rsp + 0, rsp + 64, rsp + 32, rsp + 96, blockq + 0, 20
IDCT8 rsp + 16, rsp + 80, rsp + 48, rsp + 112, blockq + 8, 20
%%9:
%endmacro
%macro PUT_PIXELS_CLAMPED_HALF 1
mova m0, [blockq+mmsize*0+%1]
mova m1, [blockq+mmsize*2+%1]
%if mmsize == 8
mova m2, [blockq+mmsize*4+%1]
mova m3, [blockq+mmsize*6+%1]
%endif
packuswb m0, [blockq+mmsize*1+%1]
packuswb m1, [blockq+mmsize*3+%1]
%if mmsize == 8
packuswb m2, [blockq+mmsize*5+%1]
packuswb m3, [blockq+mmsize*7+%1]
movq [pixelsq], m0
movq [lsizeq+pixelsq], m1
movq [2*lsizeq+pixelsq], m2
movq [lsize3q+pixelsq], m3
%else
movq [pixelsq], m0
movhps [lsizeq+pixelsq], m0
movq [2*lsizeq+pixelsq], m1
movhps [lsize3q+pixelsq], m1
%endif
%endmacro
%macro ADD_PIXELS_CLAMPED 1
mova m0, [blockq+mmsize*0+%1]
mova m1, [blockq+mmsize*1+%1]
%if mmsize == 8
mova m5, [blockq+mmsize*2+%1]
mova m6, [blockq+mmsize*3+%1]
%endif
movq m2, [pixelsq]
movq m3, [pixelsq+lsizeq]
%if mmsize == 8
mova m7, m2
punpcklbw m2, m4
punpckhbw m7, m4
paddsw m0, m2
paddsw m1, m7
mova m7, m3
punpcklbw m3, m4
punpckhbw m7, m4
paddsw m5, m3
paddsw m6, m7
%else
punpcklbw m2, m4
punpcklbw m3, m4
paddsw m0, m2
paddsw m1, m3
%endif
packuswb m0, m1
%if mmsize == 8
packuswb m5, m6
movq [pixelsq], m0
movq [pixelsq+lsizeq], m5
%else
movq [pixelsq], m0
movhps [pixelsq+lsizeq], m0
%endif
%endmacro
INIT_MMX mmx
cglobal simple_idct, 1, 2, 8, 128, block, t0
IDCT
RET
INIT_XMM sse2
cglobal simple_idct_put, 3, 5, 8, 128, pixels, lsize, block, lsize3, t0
IDCT
lea lsize3q, [lsizeq*3]
PUT_PIXELS_CLAMPED_HALF 0
lea pixelsq, [pixelsq+lsizeq*4]
PUT_PIXELS_CLAMPED_HALF 64
RET
cglobal simple_idct_add, 3, 4, 8, 128, pixels, lsize, block, t0
IDCT
pxor m4, m4
ADD_PIXELS_CLAMPED 0
lea pixelsq, [pixelsq+lsizeq*2]
ADD_PIXELS_CLAMPED 32
lea pixelsq, [pixelsq+lsizeq*2]
ADD_PIXELS_CLAMPED 64
lea pixelsq, [pixelsq+lsizeq*2]
ADD_PIXELS_CLAMPED 96
RET
%endif
|