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
987
988
989
990
|
#include "../libmpeg3.h"
#include "../mpeg3protos.h"
#include "mpeg3video.h"
#include <string.h>
static LONGLONG mpeg3_MMX_0 = 0L;
static unsigned long mpeg3_MMX_10w[] = {0x00100010, 0x00100010}; /*dd 00010 0010h, 000100010h */
static unsigned long mpeg3_MMX_80w[] = {0x00800080, 0x00800080}; /*dd 00080 0080h, 000800080h */
static unsigned long mpeg3_MMX_00FFw[] = {0x00ff00ff, 0x00ff00ff}; /*dd 000FF 00FFh, 000FF00FFh */
static unsigned short mpeg3_MMX_Ublucoeff[] = {0x81, 0x81, 0x81, 0x81}; /*dd 00081 0081h, 000810081h */
static unsigned short mpeg3_MMX_Vredcoeff[] = {0x66, 0x66, 0x66, 0x66}; /*dd 00066 0066h, 000660066h */
static unsigned short mpeg3_MMX_Ugrncoeff[] = {0xffe8, 0xffe8, 0xffe8, 0xffe8}; /*dd 0FFE7 FFE7h, 0FFE7FFE7h */
static unsigned short mpeg3_MMX_Vgrncoeff[] = {0xffcd, 0xffcd, 0xffcd, 0xffcd}; /*dd 0FFCC FFCCh, 0FFCCFFCCh */
static unsigned short mpeg3_MMX_Ycoeff[] = {0x4a, 0x4a, 0x4a, 0x4a}; /*dd 0004A 004Ah, 0004A004Ah */
static unsigned short mpeg3_MMX_redmask[] = {0xf800, 0xf800, 0xf800, 0xf800}; /*dd 07c00 7c00h, 07c007c00h */
static unsigned short mpeg3_MMX_grnmask[] = {0x7e0, 0x7e0, 0x7e0, 0x7e0}; /*dd 003e0 03e0h, 003e003e0h */
static unsigned char mpeg3_601_to_rgb[256];
/* Algorithm */
/* r = (int)(*y + 1.371 * (*cr - 128)); */
/* g = (int)(*y - 0.698 * (*cr - 128) - 0.336 * (*cb - 128)); */
/* b = (int)(*y + 1.732 * (*cb - 128)); */
#ifdef HAVE_MMX
inline void mpeg3video_rgb16_mmx(unsigned char *lum,
unsigned char *cr,
unsigned char *cb,
unsigned char *out,
int rows,
int cols,
int mod)
{
unsigned short *row1;
int x;
unsigned char *y;
int col1;
row1 = (unsigned short *)out;
col1 = cols + mod;
mod += cols + mod;
mod *= 2;
y = lum + cols * rows;
x = 0;
__asm__ __volatile__(
".align 8\n"
"1:\n"
"movd (%1), %%mm0\n" /* 4 Cb 0 0 0 0 u3 u2 u1 u0 */
"pxor %%mm7, %%mm7\n"
"movd (%0), %%mm1\n" /* 4 Cr 0 0 0 0 v3 v2 v1 v0 */
"punpcklbw %%mm7, %%mm0\n" /* 4 W cb 0 u3 0 u2 0 u1 0 u0 */
"punpcklbw %%mm7, %%mm1\n" /* 4 W cr 0 v3 0 v2 0 v1 0 v0 */
"psubw mpeg3_MMX_80w, %%mm0\n"
"psubw mpeg3_MMX_80w, %%mm1\n"
"movq %%mm0, %%mm2\n" /* Cb 0 u3 0 u2 0 u1 0 u0 */
"movq %%mm1, %%mm3\n" /* Cr */
"pmullw mpeg3_MMX_Ugrncoeff, %%mm2\n" /* Cb2green 0 R3 0 R2 0 R1 0 R0 */
"movq (%2), %%mm6\n" /* L1 l7 L6 L5 L4 L3 L2 L1 L0 */
"pmullw mpeg3_MMX_Ublucoeff, %%mm0\n" /* Cb2blue */
"pand mpeg3_MMX_00FFw, %%mm6\n" /* L1 00 L6 00 L4 00 L2 00 L0 */
"pmullw mpeg3_MMX_Vgrncoeff, %%mm3\n" /* Cr2green */
"movq (%2), %%mm7\n" /* L2 */
"pmullw mpeg3_MMX_Vredcoeff, %%mm1\n" /* Cr2red */
"psrlw $8, %%mm7\n" /* L2 00 L7 00 L5 00 L3 00 L1 */
"pmullw mpeg3_MMX_Ycoeff, %%mm6\n" /* lum1 */
"paddw %%mm3, %%mm2\n" /* Cb2green + Cr2green == green */
"pmullw mpeg3_MMX_Ycoeff, %%mm7\n" /* lum2 */
"movq %%mm6, %%mm4\n" /* lum1 */
"paddw %%mm0, %%mm6\n" /* lum1 +blue 00 B6 00 B4 00 B2 00 B0 */
"movq %%mm4, %%mm5\n" /* lum1 */
"paddw %%mm1, %%mm4\n" /* lum1 +red 00 R6 00 R4 00 R2 00 R0 */
"paddw %%mm2, %%mm5\n" /* lum1 +green 00 G6 00 G4 00 G2 00 G0 */
"psraw $6, %%mm4\n" /* R1 0 .. 64 */
"movq %%mm7, %%mm3\n" /* lum2 00 L7 00 L5 00 L3 00 L1 */
"psraw $6, %%mm5\n" /* G1 - .. + */
"paddw %%mm0, %%mm7\n" /* Lum2 +blue 00 B7 00 B5 00 B3 00 B1 */
"psraw $6, %%mm6\n" /* B1 0 .. 64 */
"packuswb %%mm4, %%mm4\n" /* R1 R1 */
"packuswb %%mm5, %%mm5\n" /* G1 G1 */
"packuswb %%mm6, %%mm6\n" /* B1 B1 */
"punpcklbw %%mm4, %%mm4\n"
"punpcklbw %%mm5, %%mm5\n"
"pand mpeg3_MMX_redmask, %%mm4\n"
"psllw $3, %%mm5\n" /* GREEN 1 */
"punpcklbw %%mm6, %%mm6\n"
"pand mpeg3_MMX_grnmask, %%mm5\n"
"pand mpeg3_MMX_redmask, %%mm6\n"
"por %%mm5, %%mm4\n" /* */
"psrlw $11, %%mm6\n" /* BLUE 1 */
"movq %%mm3, %%mm5\n" /* lum2 */
"paddw %%mm1, %%mm3\n" /* lum2 +red 00 R7 00 R5 00 R3 00 R1 */
"paddw %%mm2, %%mm5\n" /* lum2 +green 00 G7 00 G5 00 G3 00 G1 */
"psraw $6, %%mm3\n" /* R2 */
"por %%mm6, %%mm4\n" /* MM4 */
"psraw $6, %%mm5\n" /* G2 */
"movq (%2, %3), %%mm6\n" /* L3 */
"psraw $6, %%mm7\n"
"packuswb %%mm3, %%mm3\n"
"packuswb %%mm5, %%mm5\n"
"packuswb %%mm7, %%mm7\n"
"pand mpeg3_MMX_00FFw, %%mm6\n" /* L3 */
"punpcklbw %%mm3, %%mm3\n"
"punpcklbw %%mm5, %%mm5\n"
"pmullw mpeg3_MMX_Ycoeff, %%mm6\n" /* lum3 */
"punpcklbw %%mm7, %%mm7\n"
"psllw $3, %%mm5\n" /* GREEN 2 */
"pand mpeg3_MMX_redmask, %%mm7\n"
"pand mpeg3_MMX_redmask, %%mm3\n"
"psrlw $11, %%mm7\n" /* BLUE 2 */
"pand mpeg3_MMX_grnmask, %%mm5\n"
"por %%mm7, %%mm3\n"
"movq (%2,%3), %%mm7\n" /* L4 */
"por %%mm5, %%mm3\n" /* */
"psrlw $8, %%mm7\n" /* L4 */
"movq %%mm4, %%mm5\n"
"punpcklwd %%mm3, %%mm4\n"
"pmullw mpeg3_MMX_Ycoeff, %%mm7\n" /* lum4 */
"punpckhwd %%mm3, %%mm5\n"
"movq %%mm4, (%4)\n"
"movq %%mm5, 8(%4)\n"
"movq %%mm6, %%mm4\n" /* Lum3 */
"paddw %%mm0, %%mm6\n" /* Lum3 +blue */
"movq %%mm4, %%mm5\n" /* Lum3 */
"paddw %%mm1, %%mm4\n" /* Lum3 +red */
"paddw %%mm2, %%mm5\n" /* Lum3 +green */
"psraw $6, %%mm4\n"
"movq %%mm7, %%mm3\n" /* Lum4 */
"psraw $6, %%mm5\n"
"paddw %%mm0, %%mm7\n" /* Lum4 +blue */
"psraw $6, %%mm6\n" /* Lum3 +blue */
"movq %%mm3, %%mm0\n" /* Lum4 */
"packuswb %%mm4, %%mm4\n"
"paddw %%mm1, %%mm3\n" /* Lum4 +red */
"packuswb %%mm5, %%mm5\n"
"paddw %%mm2, %%mm0\n" /* Lum4 +green */
"packuswb %%mm6, %%mm6\n"
"punpcklbw %%mm4, %%mm4\n"
"punpcklbw %%mm5, %%mm5\n"
"punpcklbw %%mm6, %%mm6\n"
"psllw $3, %%mm5\n" /* GREEN 3 */
"pand mpeg3_MMX_redmask, %%mm4\n"
"psraw $6, %%mm3\n" /* psr 6 */
"psraw $6, %%mm0\n"
"pand mpeg3_MMX_redmask, %%mm6\n" /* BLUE */
"pand mpeg3_MMX_grnmask, %%mm5\n"
"psrlw $11, %%mm6\n" /* BLUE 3 */
"por %%mm5, %%mm4\n"
"psraw $6, %%mm7\n"
"por %%mm6, %%mm4\n"
"packuswb %%mm3, %%mm3\n"
"packuswb %%mm0, %%mm0\n"
"packuswb %%mm7, %%mm7\n"
"punpcklbw %%mm3, %%mm3\n"
"punpcklbw %%mm0, %%mm0\n"
"punpcklbw %%mm7, %%mm7\n"
"pand mpeg3_MMX_redmask, %%mm3\n"
"pand mpeg3_MMX_redmask, %%mm7\n" /* BLUE */
"psllw $3, %%mm0\n" /* GREEN 4 */
"psrlw $11, %%mm7\n"
"pand mpeg3_MMX_grnmask, %%mm0\n"
"por %%mm7, %%mm3\n"
"addl $8, %6\n"
"por %%mm0, %%mm3\n"
"movq %%mm4, %%mm5\n"
"punpcklwd %%mm3, %%mm4\n"
"punpckhwd %%mm3, %%mm5\n"
"movq %%mm4, (%4,%5,2)\n"
"movq %%mm5, 8(%4,%5,2)\n"
"addl $8, %2\n"
"addl $4, %0\n"
"addl $4, %1\n"
"cmpl %3, %6\n"
"leal 16(%4), %4\n"
"jl 1b\n"
"addl %3, %2\n" /* lum += cols */
"addl %7, %4\n" /* row1 += mod */
"movl $0, %6\n"
"cmpl %8, %2\n"
"jl 1b\n"
: : "r" (cr),
"r" (cb),
"r" (lum),
"r" (cols),
"r" (row1) ,
"r" (col1),
"m" (x),
"m" (mod),
"m" (y)
);
}
static unsigned LONGLONG mpeg3_MMX_U_80 = 0x0000008000800000LL;
static unsigned LONGLONG mpeg3_MMX_V_80 = 0x0000000000800080LL;
static LONGLONG mpeg3_MMX_U_COEF = 0x00000058ffd30000LL;
static LONGLONG mpeg3_MMX_V_COEF = 0x00000000ffea006fLL;
static LONGLONG mpeg3_MMX_601_Y_COEF = 0x0000004800480048LL;
static LONGLONG mpeg3_MMX_601_Y_DIFF = 0x0000000000000010LL;
inline void mpeg3_bgra32_mmx(unsigned long y,
unsigned long u,
unsigned long v,
unsigned long *output)
{
asm(
/* Output will be 0x00rrggbb with the 00 trailing so this can also be used */
/* for bgr24. */
"movd (%0), %%mm0;" /* Load y 0x00000000000000yy */
"movd (%1), %%mm1;" /* Load u 0x00000000000000cr */
"movq %%mm0, %%mm3;" /* Copy y to temp */
"psllq $16, %%mm1;" /* Shift u 0x0000000000cr0000 */
"movd (%2), %%mm2;" /* Load v 0x00000000000000cb */
"psllq $16, %%mm3;" /* Shift y */
"movq %%mm1, %%mm4;" /* Copy u to temp */
"por %%mm3, %%mm0;" /* Overlay new y byte 0x0000000000yy00yy */
"psllq $16, %%mm4;" /* Shift u */
"movq %%mm2, %%mm5;" /* Copy v to temp */
"psllq $16, %%mm3;" /* Shift y */
"por %%mm4, %%mm1;" /* Overlay new u byte 0x000000cr00cr0000 */
"psllq $16, %%mm5;" /* Shift v */
"por %%mm3, %%mm0;" /* Overlay new y byte 0x000000yy00yy00yy */
"por %%mm5, %%mm2;" /* Overlay new v byte 0x0000000000cb00cb */
/* mm0: 0x000000yy00yy00yy mm1: 0x000000uu00uu0000 mm2: 0x0000000000vv00vv */
"psubw mpeg3_MMX_U_80, %%mm1;" /* Subtract 128 from u 0x000000uu00uu0000 */
"pmullw mpeg3_MMX_U_COEF, %%mm1;" /* Multiply u coeffs 0x0000uuuuuuuu0000 */
"psllw $6, %%mm0;" /* Shift y coeffs 0x0000yyy0yyy0yyy0 */
"psubw mpeg3_MMX_V_80, %%mm2;" /* Subtract 128 from v 0x0000000000cb00cb */
"pmullw mpeg3_MMX_V_COEF, %%mm2;" /* Multiply v coeffs 0x0000crcrcrcrcrcr */
/* mm0: 0x000000yy00yy00yy mm1: 0x0000uuuuuuuu0000 mm2: 0x00000000vvvvvvvv */
"paddsw %%mm1, %%mm0;" /* Add u to result */
"paddsw %%mm2, %%mm0;" /* Add v to result 0x0000rrrrggggbbbb */
"psraw $6, %%mm0;" /* Demote precision */
"packuswb %%mm0, %%mm0;" /* Pack into ARGB 0x0000000000rrggbb */
"movd %%mm0, (%3);" /* Store output */
:
: "r" (&y), "r" (&u), "r" (&v), "r" (output));
}
inline void mpeg3_601_bgra32_mmx(unsigned long y,
unsigned long u,
unsigned long v,
unsigned long *output)
{
asm(
/* Output will be 0x00rrggbb with the 00 trailing so this can also be used */
/* for bgr24. */
"movd (%0), %%mm0;" /* Load y 0x00000000000000yy */
"psubsw mpeg3_MMX_601_Y_DIFF, %%mm0;" /* Subtract 16 from y */
"movd (%1), %%mm1;" /* Load u 0x00000000000000cr */
"movq %%mm0, %%mm3;" /* Copy y to temp */
"psllq $16, %%mm1;" /* Shift u 0x0000000000cr0000 */
"movd (%2), %%mm2;" /* Load v 0x00000000000000cb */
"psllq $16, %%mm3;" /* Shift y */
"movq %%mm1, %%mm4;" /* Copy u to temp */
"por %%mm3, %%mm0;" /* Overlay new y byte 0x0000000000yy00yy */
"psllq $16, %%mm4;" /* Shift u */
"movq %%mm2, %%mm5;" /* Copy v to temp */
"psllq $16, %%mm3;" /* Shift y */
"por %%mm4, %%mm1;" /* Overlay new u byte 0x000000cr00cr0000 */
"psllq $16, %%mm5;" /* Shift v */
"por %%mm3, %%mm0;" /* Overlay new y byte 0x000000yy00yy00yy */
"por %%mm5, %%mm2;" /* Overlay new v byte 0x0000000000cb00cb */
/* mm0: 0x000000yy00yy00yy mm1: 0x000000uu00uu0000 mm2: 0x0000000000vv00vv */
"pmullw mpeg3_MMX_601_Y_COEF, %%mm0;" /* Scale and shift y coeffs */
"psubw mpeg3_MMX_U_80, %%mm1;" /* Subtract 128 from u 0x000000uu00uu0000 */
"pmullw mpeg3_MMX_U_COEF, %%mm1;" /* Multiply u coeffs 0x0000uuuuuuuu0000 */
"psubw mpeg3_MMX_V_80, %%mm2;" /* Subtract 128 from v 0x0000000000cb00cb */
"pmullw mpeg3_MMX_V_COEF, %%mm2;" /* Multiply v coeffs 0x0000crcrcrcrcrcr */
/* mm0: 0x000000yy00yy00yy mm1: 0x0000uuuuuuuu0000 mm2: 0x00000000vvvvvvvv */
"paddsw %%mm1, %%mm0;" /* Add u to result */
"paddsw %%mm2, %%mm0;" /* Add v to result 0x0000rrrrggggbbbb */
"psraw $6, %%mm0;" /* Demote precision */
"packuswb %%mm0, %%mm0;" /* Pack into ARGB 0x0000000000rrggbb */
"movd %%mm0, (%3);" /* Store output */
:
: "r" (&y), "r" (&u), "r" (&v), "r" (output));
}
static unsigned LONGLONG mpeg3_MMX_U_80_RGB = 0x0000000000800080LL;
static unsigned LONGLONG mpeg3_MMX_V_80_RGB = 0x0000008000800000LL;
static LONGLONG mpeg3_MMX_U_COEF_RGB = 0x00000000ffd30058LL;
static LONGLONG mpeg3_MMX_V_COEF_RGB = 0x0000006fffea0000LL;
inline void mpeg3_rgba32_mmx(unsigned long y,
unsigned long u,
unsigned long v,
unsigned long *output)
{
asm(
/* Output will be 0x00bbggrr with the 00 trailing so this can also be used */
/* for rgb24. */
"movd (%0), %%mm0;" /* Load y 0x00000000000000yy */
"movd (%1), %%mm1;" /* Load v 0x00000000000000vv */
"movq %%mm0, %%mm3;" /* Copy y to temp */
"psllq $16, %%mm1;" /* Shift v 0x0000000000vv0000 */
"movd (%2), %%mm2;" /* Load u 0x00000000000000uu */
"psllq $16, %%mm3;" /* Shift y */
"movq %%mm1, %%mm4;" /* Copy v to temp */
"por %%mm3, %%mm0;" /* Overlay new y byte 0x0000000000yy00yy */
"psllq $16, %%mm4;" /* Shift v */
"movq %%mm2, %%mm5;" /* Copy u to temp */
"psllq $16, %%mm3;" /* Shift y */
"por %%mm4, %%mm1;" /* Overlay new v byte 0x000000vv00vv0000 */
"psllq $16, %%mm5;" /* Shift u */
"por %%mm3, %%mm0;" /* Overlay new y byte 0x000000yy00yy00yy */
"por %%mm5, %%mm2;" /* Overlay new u byte 0x0000000000uu00uu */
/* mm0: 0x000000yy00yy00yy mm1: 0x000000vv00vv0000 mm2: 0x0000000000uu00uu */
"psubw mpeg3_MMX_V_80_RGB, %%mm1;" /* Subtract 128 from v 0x000000vv00vv0000 */
"pmullw mpeg3_MMX_V_COEF_RGB, %%mm1;" /* Multiply v coeffs 0x0000vvvvvvvv0000 */
"psllw $6, %%mm0;" /* Shift y coeffs 0x0000yyy0yyy0yyy0 */
"psubw mpeg3_MMX_U_80_RGB, %%mm2;" /* Subtract 128 from u 0x0000000000uu00uu */
"pmullw mpeg3_MMX_U_COEF_RGB, %%mm2;" /* Multiply u coeffs 0x0000uuuuuuuuuuuu */
/* mm0: 0x000000yy00yy00yy mm1: 0x0000vvvvvvvv0000 mm2: 0x00000000uuuuuuuu */
"paddsw %%mm1, %%mm0;" /* Add v to result */
"paddsw %%mm2, %%mm0;" /* Add u to result 0x0000bbbbggggrrrr */
"psraw $6, %%mm0;" /* Demote precision */
"packuswb %%mm0, %%mm0;" /* Pack into RGBA 0x0000000000bbggrr */
"movd %%mm0, (%3);" /* Store output */
:
: "r" (&y), "r" (&v), "r" (&u), "r" (output));
}
inline void mpeg3_601_rgba32_mmx(unsigned long y,
unsigned long u,
unsigned long v,
unsigned long *output)
{
asm(
/* Output will be 0x00bbggrr with the 00 trailing so this can also be used */
/* for rgb24. */
"movd (%0), %%mm0;" /* Load y 0x00000000000000yy */
"psubsw mpeg3_MMX_601_Y_DIFF, %%mm0;" /* Subtract 16 from y */
"movd (%1), %%mm1;" /* Load v 0x00000000000000vv */
"movq %%mm0, %%mm3;" /* Copy y to temp */
"psllq $16, %%mm1;" /* Shift v 0x0000000000vv0000 */
"movd (%2), %%mm2;" /* Load u 0x00000000000000uu */
"psllq $16, %%mm3;" /* Shift y */
"movq %%mm1, %%mm4;" /* Copy v to temp */
"por %%mm3, %%mm0;" /* Overlay new y byte 0x0000000000yy00yy */
"psllq $16, %%mm4;" /* Shift v */
"movq %%mm2, %%mm5;" /* Copy u to temp */
"psllq $16, %%mm3;" /* Shift y */
"por %%mm4, %%mm1;" /* Overlay new v byte 0x000000vv00vv0000 */
"psllq $16, %%mm5;" /* Shift u */
"por %%mm3, %%mm0;" /* Overlay new y byte 0x000000yy00yy00yy */
"por %%mm5, %%mm2;" /* Overlay new u byte 0x0000000000uu00uu */
/* mm0: 0x000000yy00yy00yy mm1: 0x000000vv00vv0000 mm2: 0x0000000000uu00uu */
"pmullw mpeg3_MMX_601_Y_COEF, %%mm0;" /* Scale y coeffs */
"psubw mpeg3_MMX_V_80_RGB, %%mm1;" /* Subtract 128 from v 0x000000vv00vv0000 */
"pmullw mpeg3_MMX_V_COEF_RGB, %%mm1;" /* Multiply v coeffs 0x0000vvvvvvvv0000 */
"psubw mpeg3_MMX_U_80_RGB, %%mm2;" /* Subtract 128 from u 0x0000000000uu00uu */
"pmullw mpeg3_MMX_U_COEF_RGB, %%mm2;" /* Multiply u coeffs 0x0000uuuuuuuuuuuu */
/* mm0: 0x000000yy00yy00yy mm1: 0x0000vvvvvvvv0000 mm2: 0x00000000uuuuuuuu */
"paddsw %%mm1, %%mm0;" /* Add v to result */
"paddsw %%mm2, %%mm0;" /* Add u to result 0x0000bbbbggggrrrr */
"psraw $6, %%mm0;" /* Demote precision */
"packuswb %%mm0, %%mm0;" /* Pack into RGBA 0x0000000000bbggrr */
"movd %%mm0, (%3);" /* Store output */
:
: "r" (&y), "r" (&v), "r" (&u), "r" (output));
}
#endif
#define DITHER_ROW_HEAD \
for(h = 0; h < video->out_h; h++) \
{ \
y_in = &src[0][(video->y_table[h] + video->in_y) * video->coded_picture_width] + video->in_x; \
cb_in = &src[1][((video->y_table[h] + video->in_y) >> 1) * video->chrom_width] + (video->in_x >> 2); \
cr_in = &src[2][((video->y_table[h] + video->in_y) >> 1) * video->chrom_width] + (video->in_x >> 1); \
data = output_rows[h];
#define DITHER_ROW_TAIL \
}
#define DITHER_SCALE_HEAD \
for(w = 0; w < video->out_w; w++) \
{ \
uv_subscript = video->x_table[w] / 2; \
y_l = y_in[video->x_table[w]]; \
y_l <<= 16; \
r_l = (y_l + video->cr_to_r[cr_in[uv_subscript]]) >> 16; \
g_l = (y_l + video->cr_to_g[cr_in[uv_subscript]] + video->cb_to_g[cb_in[uv_subscript]]) >> 16; \
b_l = (y_l + video->cb_to_b[cb_in[uv_subscript]]) >> 16;
#define DITHER_SCALE_601_HEAD \
for(w = 0; w < video->out_w; w++) \
{ \
uv_subscript = video->x_table[w] / 2; \
y_l = mpeg3_601_to_rgb[y_in[video->x_table[w]]]; \
y_l <<= 16; \
r_l = (y_l + video->cr_to_r[cr_in[uv_subscript]]) >> 16; \
g_l = (y_l + video->cr_to_g[cr_in[uv_subscript]] + video->cb_to_g[cb_in[uv_subscript]]) >> 16; \
b_l = (y_l + video->cb_to_b[cb_in[uv_subscript]]) >> 16;
#define DITHER_SCALE_TAIL \
}
#define DITHER_MMX_SCALE_HEAD \
for(w = 0; w < video->out_w; w++) \
{ \
uv_subscript = video->x_table[w] / 2;
#define DITHER_MMX_SCALE_TAIL \
data += step; \
}
#define DITHER_MMX_HEAD \
for(w = 0; w < video->out_w; w += 2) \
{
#define DITHER_MMX_TAIL \
data += step; \
cr_in++; \
cb_in++; \
}
#define DITHER_HEAD \
for(w = 0; w < video->horizontal_size; w++) \
{ \
y_l = *y_in++; \
y_l <<= 16; \
r_l = (y_l + video->cr_to_r[*cr_in]) >> 16; \
g_l = (y_l + video->cr_to_g[*cr_in] + video->cb_to_g[*cb_in]) >> 16; \
b_l = (y_l + video->cb_to_b[*cb_in]) >> 16;
#define DITHER_601_HEAD \
for(w = 0; w < video->horizontal_size; w++) \
{ \
y_l = mpeg3_601_to_rgb[*y_in++]; \
y_l <<= 16; \
r_l = (y_l + video->cr_to_r[*cr_in]) >> 16; \
g_l = (y_l + video->cr_to_g[*cr_in] + video->cb_to_g[*cb_in]) >> 16; \
b_l = (y_l + video->cb_to_b[*cb_in]) >> 16;
#define DITHER_TAIL \
if(w & 1) \
{ \
cr_in++; \
cb_in++; \
} \
}
#define STORE_PIXEL_BGR888 \
*data++ = CLIP(b_l); \
*data++ = CLIP(g_l); \
*data++ = CLIP(r_l);
#define STORE_PIXEL_BGRA8888 \
*data++ = CLIP(b_l); \
*data++ = CLIP(g_l); \
*data++ = CLIP(r_l); \
*data++ = 0;
#define STORE_PIXEL_RGB565 \
*((unsigned short*)data)++ = \
((CLIP(r_l) & 0xf8) << 8) | \
((CLIP(g_l) & 0xfc) << 3) | \
((CLIP(b_l) & 0xf8) >> 3);
#define STORE_PIXEL_RGB888 \
*data++ = CLIP(r_l); \
*data++ = CLIP(g_l); \
*data++ = CLIP(b_l);
#define STORE_PIXEL_RGBA8888 \
*data++ = CLIP(r_l); \
*data++ = CLIP(g_l); \
*data++ = CLIP(b_l); \
*data++ = 0;
#define STORE_PIXEL_RGBA16161616 \
*data_s++ = CLIP(r_l); \
*data_s++ = CLIP(g_l); \
*data_s++ = CLIP(b_l); \
*data_s++ = 0;
/* Only good for YUV 4:2:0 */
int mpeg3video_ditherframe(mpeg3video_t *video, unsigned char **src, unsigned char **output_rows)
{
int h = 0;
register unsigned char *y_in, *cb_in, *cr_in;
long y_l, r_l, b_l, g_l;
register unsigned char *data;
register int uv_subscript, step, w = -1;
#ifdef HAVE_MMX
/* =================================== MMX ===================================== */
if(video->have_mmx &&
video->out_w == video->horizontal_size &&
video->out_h == video->vertical_size &&
video->in_w == video->out_w &&
video->in_h == video->out_h &&
video->in_x == 0 &&
video->in_y == 0 &&
(video->color_model == MPEG3_RGB565 || video->color_model == MPEG3_601_RGB565))
{
/* Unscaled 16 bit */
mpeg3video_rgb16_mmx(src[0],
src[2],
src[1],
output_rows[0],
video->out_h,
video->out_w,
(output_rows[1] - output_rows[0]) / 2 - video->out_w);
}
else
if(video->have_mmx &&
(video->color_model == MPEG3_BGRA8888 ||
video->color_model == MPEG3_BGR888 ||
/* video->color_model == MPEG3_RGB888 || */
video->color_model == MPEG3_RGBA8888 ||
video->color_model == MPEG3_601_BGR888 ||
video->color_model == MPEG3_601_BGRA8888 ||
video->color_model == MPEG3_601_RGB888 ||
video->color_model == MPEG3_601_RGBA8888))
{
/* Original MMX */
if(video->color_model == MPEG3_BGRA8888 ||
video->color_model == MPEG3_RGBA8888 ||
video->color_model == MPEG3_601_BGRA8888 ||
video->color_model == MPEG3_601_RGBA8888) step = 4;
else
if(video->color_model == MPEG3_BGR888 ||
video->color_model == MPEG3_RGB888 ||
video->color_model == MPEG3_601_BGR888 ||
video->color_model == MPEG3_601_RGB888) step = 3;
DITHER_ROW_HEAD
/* Transfer row with scaling */
if(video->out_w != video->horizontal_size)
{
switch(video->color_model)
{
case MPEG3_BGRA8888:
case MPEG3_BGR888:
DITHER_MMX_SCALE_HEAD
mpeg3_bgra32_mmx(y_in[video->x_table[w]],
cr_in[uv_subscript],
cb_in[uv_subscript],
(unsigned long*)data);
DITHER_MMX_SCALE_TAIL
break;
case MPEG3_601_BGRA8888:
case MPEG3_601_BGR888:
DITHER_MMX_SCALE_HEAD
mpeg3_601_bgra32_mmx(y_in[video->x_table[w]],
cr_in[uv_subscript],
cb_in[uv_subscript],
(unsigned long*)data);
DITHER_MMX_SCALE_TAIL
break;
case MPEG3_RGBA8888:
case MPEG3_RGB888:
DITHER_MMX_SCALE_HEAD
mpeg3_rgba32_mmx(y_in[video->x_table[w]],
cr_in[uv_subscript],
cb_in[uv_subscript],
(unsigned long*)data);
DITHER_MMX_SCALE_TAIL
break;
case MPEG3_601_RGBA8888:
case MPEG3_601_RGB888:
DITHER_MMX_SCALE_HEAD
mpeg3_601_rgba32_mmx(y_in[video->x_table[w]],
cr_in[uv_subscript],
cb_in[uv_subscript],
(unsigned long*)data);
DITHER_MMX_SCALE_TAIL
break;
}
}
else
/* Transfer row unscaled */
{
switch(video->color_model)
{
/* MMX byte swap 24 and 32 bit */
case MPEG3_BGRA8888:
case MPEG3_BGR888:
DITHER_MMX_HEAD
mpeg3_bgra32_mmx(*y_in++,
*cr_in,
*cb_in,
(unsigned long*)data);
data += step;
mpeg3_bgra32_mmx(*y_in++,
*cr_in,
*cb_in,
(unsigned long*)data);
DITHER_MMX_TAIL
break;
/* MMX 601 byte swap 24 and 32 bit */
case MPEG3_601_BGRA8888:
case MPEG3_601_BGR888:
DITHER_MMX_HEAD
mpeg3_601_bgra32_mmx(*y_in++,
*cr_in,
*cb_in,
(unsigned long*)data);
data += step;
mpeg3_601_bgra32_mmx(*y_in++,
*cr_in,
*cb_in,
(unsigned long*)data);
DITHER_MMX_TAIL
break;
/* MMX 24 and 32 bit no byte swap */
case MPEG3_RGBA8888:
case MPEG3_RGB888:
DITHER_MMX_HEAD
mpeg3_rgba32_mmx(*y_in++,
*cr_in,
*cb_in,
(unsigned long*)data);
data += step;
mpeg3_rgba32_mmx(*y_in++,
*cr_in,
*cb_in,
(unsigned long*)data);
DITHER_MMX_TAIL
break;
/* MMX 601 24 and 32 bit no byte swap */
case MPEG3_601_RGBA8888:
case MPEG3_601_RGB888:
DITHER_MMX_HEAD
mpeg3_601_rgba32_mmx(*y_in++,
*cr_in,
*cb_in,
(unsigned long*)data);
data += step;
mpeg3_601_rgba32_mmx(*y_in++,
*cr_in,
*cb_in,
(unsigned long*)data);
DITHER_MMX_TAIL
break;
}
}
DITHER_ROW_TAIL
}
else
#endif
/* ================================== NO MMX ==================================== */
{
DITHER_ROW_HEAD
/* Transfer row with scaling */
if(video->out_w != video->horizontal_size)
{
switch(video->color_model)
{
case MPEG3_BGR888:
DITHER_SCALE_HEAD
STORE_PIXEL_BGR888
DITHER_SCALE_TAIL
break;
case MPEG3_BGRA8888:
DITHER_SCALE_HEAD
STORE_PIXEL_BGRA8888
DITHER_SCALE_TAIL
break;
case MPEG3_RGB565:
DITHER_SCALE_HEAD
STORE_PIXEL_RGB565
DITHER_SCALE_TAIL
break;
case MPEG3_RGB888:
DITHER_SCALE_HEAD
STORE_PIXEL_RGB888
DITHER_SCALE_TAIL
break;
case MPEG3_RGBA8888:
DITHER_SCALE_HEAD
STORE_PIXEL_RGBA8888
DITHER_SCALE_TAIL
break;
case MPEG3_601_BGR888:
DITHER_SCALE_601_HEAD
STORE_PIXEL_BGR888
DITHER_SCALE_TAIL
break;
case MPEG3_601_BGRA8888:
DITHER_SCALE_601_HEAD
STORE_PIXEL_BGRA8888
DITHER_SCALE_TAIL
break;
case MPEG3_601_RGB565:
DITHER_SCALE_601_HEAD
STORE_PIXEL_RGB565
DITHER_SCALE_TAIL
break;
case MPEG3_601_RGB888:
DITHER_SCALE_601_HEAD
STORE_PIXEL_RGB888
DITHER_SCALE_TAIL
break;
case MPEG3_601_RGBA8888:
DITHER_SCALE_601_HEAD
STORE_PIXEL_RGBA8888
DITHER_SCALE_TAIL
break;
case MPEG3_RGBA16161616:
{
register unsigned short *data_s = (unsigned short*)data;
DITHER_SCALE_HEAD
STORE_PIXEL_RGBA16161616
DITHER_SCALE_TAIL
}
break;
}
}
else
{
/* Transfer row unscaled */
switch(video->color_model)
{
case MPEG3_BGR888:
DITHER_HEAD
STORE_PIXEL_BGR888
DITHER_TAIL
break;
case MPEG3_BGRA8888:
DITHER_HEAD
STORE_PIXEL_BGRA8888
DITHER_TAIL
break;
case MPEG3_RGB565:
DITHER_HEAD
STORE_PIXEL_RGB565
DITHER_TAIL
break;
case MPEG3_RGB888:
DITHER_HEAD
STORE_PIXEL_RGB888
DITHER_TAIL
break;
case MPEG3_RGBA8888:
DITHER_HEAD
STORE_PIXEL_RGBA8888
DITHER_TAIL
break;
case MPEG3_601_BGR888:
DITHER_601_HEAD
STORE_PIXEL_BGR888
DITHER_TAIL
break;
case MPEG3_601_BGRA8888:
DITHER_601_HEAD
STORE_PIXEL_RGB565
DITHER_TAIL
break;
case MPEG3_601_RGB565:
DITHER_601_HEAD
STORE_PIXEL_RGB565
DITHER_TAIL
break;
case MPEG3_601_RGB888:
DITHER_601_HEAD
STORE_PIXEL_RGB888
DITHER_TAIL
break;
case MPEG3_601_RGBA8888:
DITHER_601_HEAD
STORE_PIXEL_RGBA8888
DITHER_TAIL
break;
case MPEG3_RGBA16161616:
{
register unsigned short *data_s = (unsigned short*)data;
DITHER_HEAD
STORE_PIXEL_RGBA16161616
DITHER_TAIL
}
break;
}
}
DITHER_ROW_TAIL
} /* End of non-MMX */
#ifdef HAVE_MMX
if(video->have_mmx)
__asm__ __volatile__ ("emms");
#endif
return 0;
}
int mpeg3video_ditherframe444(mpeg3video_t *video, unsigned char *src[])
{
return 0;
}
int mpeg3video_dithertop(mpeg3video_t *video, unsigned char *src[])
{
return mpeg3video_ditherframe(video, src, video->output_rows);
}
int mpeg3video_dithertop444(mpeg3video_t *video, unsigned char *src[])
{
return 0;
}
int mpeg3video_ditherbot(mpeg3video_t *video, unsigned char *src[])
{
return 0;
}
int mpeg3video_ditherbot444(mpeg3video_t *video, unsigned char *src[])
{
return 0;
}
void memcpy_fast(unsigned char *output, unsigned char *input, long len)
{
int i, len2;
/* 8 byte alignment */
/*
* if(!((long)input & 0x7))
* {
* len2 = len >> 4;
* for(i = 0; i < len2; )
* {
* ((MPEG3_INT64*)output)[i] = ((MPEG3_INT64*)input)[i];
* i++;
* ((MPEG3_INT64*)output)[i] = ((MPEG3_INT64*)input)[i];
* i++;
* }
*
* for(i *= 16; i < len; i++)
* {
* output[i] = input[i];
* }
* }
* else
*/
memcpy(output, input, len);
}
int mpeg3video_init_output()
{
int i, value;
for(i = 0; i < 256; i++)
{
value = (int)(1.1644 * i - 255 * 0.0627 + 0.5);
if(value < 0) value = 0;
else
if(value > 255) value = 255;
mpeg3_601_to_rgb[i] = value;
}
return 0;
}
int mpeg3video_present_frame(mpeg3video_t *video)
{
int i, j, k, l;
unsigned char **src = video->output_src;
/* Copy YUV buffers */
if(video->want_yvu)
{
long size[2];
long offset[2];
/* Drop a frame */
if(!video->y_output) return 0;
/* Copy a frame */
if(video->in_x == 0 &&
video->in_w >= video->coded_picture_width)
{
size[0] = video->coded_picture_width * video->in_h;
size[1] = video->chrom_width * (int)((float)video->in_h / 2 + 0.5);
offset[0] = video->coded_picture_width * video->in_y;
offset[1] = video->chrom_width * (int)((float)video->in_y / 2 + 0.5);
/*
* if(video->in_y > 0)
* {
* offset[1] += video->chrom_width / 2;
* size[1] += video->chrom_width / 2;
* }
*/
memcpy(video->y_output, src[0] + offset[0], size[0]);
memcpy(video->u_output, src[1] + offset[1], size[1]);
memcpy(video->v_output, src[2] + offset[1], size[1]);
}
else
{
for(i = 0, j = video->in_y; i < video->in_h; i++, j++)
{
memcpy(video->y_output + i * video->in_w,
src[0] + j * video->coded_picture_width + video->in_x,
video->in_w);
memcpy(video->u_output + i * video->in_w / 4,
src[1] + j * video->chrom_width / 2 + video->in_x / 4,
video->in_w / 4);
memcpy(video->v_output + i * video->in_w / 4,
src[2] + j * video->chrom_width / 2 + video->in_x / 4,
video->in_w / 4);
}
}
return 0;
}
/* Want RGB buffer */
/* Copy the frame to the output with YUV to RGB conversion */
if(video->prog_seq)
{
if(video->chroma_format != CHROMA444)
{
mpeg3video_ditherframe(video, src, video->output_rows);
}
else
mpeg3video_ditherframe444(video, src);
}
else
{
if((video->pict_struct == FRAME_PICTURE && video->topfirst) ||
video->pict_struct == BOTTOM_FIELD)
{
/* top field first */
if(video->chroma_format != CHROMA444)
{
mpeg3video_dithertop(video, src);
mpeg3video_ditherbot(video, src);
}
else
{
mpeg3video_dithertop444(video, src);
mpeg3video_ditherbot444(video, src);
}
}
else
{
/* bottom field first */
if(video->chroma_format != CHROMA444)
{
mpeg3video_ditherbot(video, src);
mpeg3video_dithertop(video, src);
}
else
{
mpeg3video_ditherbot444(video, src);
mpeg3video_dithertop444(video, src);
}
}
}
return 0;
}
int mpeg3video_display_second_field(mpeg3video_t *video)
{
/* Not used */
return 0;
}
|
