forked from mosterta/libvdpau-sunxi
-
Notifications
You must be signed in to change notification settings - Fork 1
/
h264.c
1097 lines (943 loc) · 33.8 KB
/
h264.c
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
991
992
993
994
995
996
997
998
999
1000
/*
* Copyright (c) 2013 Jens Kuske <jenskuske@gmail.com>
*
* This library 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.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "vdpau_private.h"
#include "ve.h"
#include <time.h>
//#define TIME_MEAS 1
#define FIELDINTRABUFSIZE 0x20000
#define NEIGHBORINFOBUFSIZE 0x4000
extern uint64_t get_time(void);
static int find_startcode(CEDARV_MEMORY mem, int len, int start)
{
int pos, zeros = 0;
uint8_t* data = (uint8_t*)cedarv_getPointer(mem);
for (pos = start; pos < len; pos++)
{
if (data[pos] == 0x00)
zeros++;
else if (data[pos] == 0x01 && zeros >= 2)
return pos - 2;
else
zeros = 0;
}
return -1;
}
static uint32_t getVlcData(uint32_t triggerValue, void* regs)
{
volatile uint32_t status;
char done = 0;
uint32_t value;
uint32_t round = 0;
writel(triggerValue, regs + CEDARV_H264_TRIGGER);
while (! done && round++ < 1000000)
{
status = readl(regs + CEDARV_H264_STATUS);
if( status & VLD_BUSY)
{
if(status & VLD_DATA_REQ_INTERRUPT)
{
value = 0;
done = 1;
}
}
else
{
value = readl(regs + CEDARV_H264_BASIC_BITS);
done = 1;
}
};
return value;
}
static inline uint32_t get_u(void *regs, int num)
{
return getVlcData(0x2 | (num << 8), regs);
}
static inline uint32_t get_ue(void *regs)
{
return getVlcData(0x5, regs);
}
static inline int32_t get_se(void *regs)
{
return getVlcData(0x4, regs);
/* writel(0x00000004, regs + CEDARV_H264_TRIGGER);
while (readl(regs + CEDARV_H264_STATUS) & (1 << 8));
return readl(regs + CEDARV_H264_BASIC_BITS);
*/
}
#define PIC_TOP_FIELD 0x1
#define PIC_BOTTOM_FIELD 0x2
#define PIC_FRAME 0x3
typedef struct
{
video_surface_ctx_t *surface;
uint16_t top_pic_order_cnt;
uint16_t bottom_pic_order_cnt;
uint16_t frame_idx;
uint8_t field;
} h264_picture_t;
#define SLICE_TYPE_P 0
#define SLICE_TYPE_B 1
#define SLICE_TYPE_I 2
#define SLICE_TYPE_SP 3
#define SLICE_TYPE_SI 4
typedef struct
{
uint8_t nal_unit_type;
uint16_t first_mb_in_slice;
uint8_t slice_type;
uint8_t pic_parameter_set_id;
uint16_t frame_num;
uint8_t field_pic_flag;
uint8_t bottom_field_flag;
uint16_t idr_pic_id;
uint32_t pic_order_cnt_lsb;
int32_t delta_pic_order_cnt_bottom;
int32_t delta_pic_order_cnt[2];
uint8_t redundant_pic_cnt;
uint8_t direct_spatial_mv_pred_flag;
uint8_t num_ref_idx_active_override_flag;
uint8_t num_ref_idx_l0_active_minus1;
uint8_t num_ref_idx_l1_active_minus1;
uint8_t cabac_init_idc;
int8_t slice_qp_delta;
uint8_t sp_for_switch_flag;
int8_t slice_qs_delta;
uint8_t disable_deblocking_filter_idc;
int8_t slice_alpha_c0_offset_div2;
int8_t slice_beta_offset_div2;
uint8_t luma_log2_weight_denom;
uint8_t chroma_log2_weight_denom;
int8_t luma_weight_l0[32];
int8_t luma_offset_l0[32];
int8_t chroma_weight_l0[32][2];
int8_t chroma_offset_l0[32][2];
int8_t luma_weight_l1[32];
int8_t luma_offset_l1[32];
int8_t chroma_weight_l1[32][2];
int8_t chroma_offset_l1[32][2];
h264_picture_t RefPicList0[32];
h264_picture_t RefPicList1[32];
} h264_header_t;
typedef struct
{
void *regs;
h264_header_t header;
VdpPictureInfoH264 const *info;
video_surface_ctx_t *output;
uint8_t picture_width_in_mbs_minus1;
uint8_t picture_height_in_mbs_minus1;
uint8_t default_scaling_lists;
int video_extra_data_len;
int ref_count;
h264_picture_t ref_pic[16];
} h264_context_t;
typedef struct
{
CEDARV_MEMORY extra_data;
CEDARV_MEMORY mbFieldIntraBuf;
CEDARV_MEMORY mbNeighborInfoBuf;
CEDARV_MEMORY deBlkDramBuf;
CEDARV_MEMORY intraPredDramBuf;
} h264_private_t;
static void h264_private_free(decoder_ctx_t *decoder)
{
h264_private_t *decoder_p = (h264_private_t *)decoder->private;
cedarv_free(decoder_p->extra_data);
cedarv_free(decoder_p->mbFieldIntraBuf);
cedarv_free(decoder_p->mbNeighborInfoBuf);
if(cedarv_isValid(decoder_p->deBlkDramBuf))
cedarv_free(decoder_p->deBlkDramBuf);
if(cedarv_isValid(decoder_p->intraPredDramBuf))
cedarv_free(decoder_p->intraPredDramBuf);
free(decoder_p);
}
#define PIC_TYPE_FRAME 0x0
#define PIC_TYPE_FIELD 0x1
#define PIC_TYPE_MBAFF 0x2
typedef struct
{
CEDARV_MEMORY extra_data;
int extra_data_len;
uint8_t pos;
uint8_t pic_type;
} h264_video_private_t;
static void h264_video_private_free(video_surface_ctx_t *surface)
{
h264_video_private_t *surface_p = (h264_video_private_t *)surface->decoder_private;
cedarv_free(surface_p->extra_data);
free(surface_p);
}
static void ref_pic_list_modification(h264_context_t *c)
{
h264_header_t *h = &c->header;
VdpPictureInfoH264 const *info = c->info;
const int MaxFrameNum = 1 << (info->log2_max_frame_num_minus4 + 4);
const int MaxPicNum = (info->field_pic_flag) ? 2 * MaxFrameNum : MaxFrameNum;
void *cedarv_regs = cedarv_get_regs();
if (h->slice_type != SLICE_TYPE_I && h->slice_type != SLICE_TYPE_SI)
{
int ref_pic_list_modification_flag_l0 = get_u(cedarv_regs, 1);
if (ref_pic_list_modification_flag_l0)
{
unsigned int modification_of_pic_nums_idc;
int refIdxL0 = 0;
unsigned int picNumL0 = info->frame_num;
unsigned int backout = 100;
if (h->field_pic_flag)
picNumL0 = picNumL0 * 2 + 1;
do
{
modification_of_pic_nums_idc = get_ue(cedarv_regs);
if (modification_of_pic_nums_idc == 0 || modification_of_pic_nums_idc == 1)
{
unsigned int abs_diff_pic_num_minus1 = get_ue(cedarv_regs);
if (modification_of_pic_nums_idc == 0)
picNumL0 -= (abs_diff_pic_num_minus1 + 1);
else
picNumL0 += (abs_diff_pic_num_minus1 + 1);
picNumL0 &= (MaxPicNum - 1);
int frame_num = picNumL0;
int field = PIC_FRAME;
if (h->field_pic_flag)
{
field = h->bottom_field_flag ? PIC_BOTTOM_FIELD : PIC_TOP_FIELD;
if (!(frame_num & 1))
field ^= PIC_FRAME;
frame_num /= 2;
}
int i, j;
for (i = 0; i < c->ref_count; i++)
{
if (c->ref_pic[i].frame_idx == frame_num)
break;
}
for (j = h->num_ref_idx_l0_active_minus1 + 1; j > refIdxL0; j--)
h->RefPicList0[j] = h->RefPicList0[j - 1];
h->RefPicList0[refIdxL0] = c->ref_pic[i];
if (h->field_pic_flag)
h->RefPicList0[refIdxL0].field = field;
i = ++refIdxL0;
for (j = refIdxL0; j <= h->num_ref_idx_l0_active_minus1 + 1; j++)
if (h->RefPicList0[j].frame_idx != frame_num || h->RefPicList0[j].field != field)
h->RefPicList0[i++] = h->RefPicList0[j];
}
else if (modification_of_pic_nums_idc == 2)
{
VDPAU_DBG("NOT IMPLEMENTED: modification_of_pic_nums_idc == 2");
unsigned int long_term_pic_num = get_ue(cedarv_regs);
}
} while (modification_of_pic_nums_idc != 3 && --backout > 0);
}
}
if (h->slice_type == SLICE_TYPE_B)
{
int ref_pic_list_modification_flag_l1 = get_u(cedarv_regs, 1);
if (ref_pic_list_modification_flag_l1)
{
VDPAU_DBG("NOT IMPLEMENTED: ref_pic_list_modification_flag_l1 == 1");
unsigned int modification_of_pic_nums_idc;
do
{
modification_of_pic_nums_idc = get_ue(cedarv_regs);
if (modification_of_pic_nums_idc == 0 || modification_of_pic_nums_idc == 1)
{
unsigned int abs_diff_pic_num_minus1 = get_ue(cedarv_regs);
}
else if (modification_of_pic_nums_idc == 2)
{
unsigned int long_term_pic_num = get_ue(cedarv_regs);
}
} while (modification_of_pic_nums_idc != 3);
}
}
}
static void pred_weight_table(h264_context_t *c)
{
h264_header_t *h = &c->header;
int i, j, ChromaArrayType = 1;
void* cedarv_regs = cedarv_get_regs();
h->luma_log2_weight_denom = get_ue(cedarv_regs);
if (ChromaArrayType != 0)
h->chroma_log2_weight_denom = get_ue(cedarv_regs);
for (i = 0; i < 32; i++)
{
h->luma_weight_l0[i] = (1 << h->luma_log2_weight_denom);
h->luma_weight_l1[i] = (1 << h->luma_log2_weight_denom);
h->chroma_weight_l0[i][0] = (1 << h->chroma_log2_weight_denom);
h->chroma_weight_l1[i][0] = (1 << h->chroma_log2_weight_denom);
h->chroma_weight_l0[i][1] = (1 << h->chroma_log2_weight_denom);
h->chroma_weight_l1[i][1] = (1 << h->chroma_log2_weight_denom);
}
for (i = 0; i <= h->num_ref_idx_l0_active_minus1; i++)
{
int luma_weight_l0_flag = get_u(cedarv_regs, 1);
if (luma_weight_l0_flag)
{
h->luma_weight_l0[i] = get_se(cedarv_regs);
h->luma_offset_l0[i] = get_se(cedarv_regs);
}
if (ChromaArrayType != 0)
{
int chroma_weight_l0_flag = get_u(cedarv_regs, 1);
if (chroma_weight_l0_flag)
for (j = 0; j < 2; j++)
{
h->chroma_weight_l0[i][j] = get_se(cedarv_regs);
h->chroma_offset_l0[i][j] = get_se(cedarv_regs);
}
}
}
if (h->slice_type == SLICE_TYPE_B)
for (i = 0; i <= h->num_ref_idx_l1_active_minus1; i++)
{
int luma_weight_l1_flag = get_u(cedarv_regs, 1);
if (luma_weight_l1_flag)
{
h->luma_weight_l1[i] = get_se(cedarv_regs);
h->luma_offset_l1[i] = get_se(cedarv_regs);
}
if (ChromaArrayType != 0)
{
int chroma_weight_l1_flag = get_u(cedarv_regs, 1);
if (chroma_weight_l1_flag)
for (j = 0; j < 2; j++)
{
h->chroma_weight_l1[i][j] = get_se(cedarv_regs);
h->chroma_offset_l1[i][j] = get_se(cedarv_regs);
}
}
}
writel(((h->chroma_log2_weight_denom & 0xf) << 4)
| ((h->luma_log2_weight_denom & 0xf) << 0)
, cedarv_regs + CEDARV_H264_PRED_WEIGHT);
writel(CEDARV_SRAM_H264_PRED_WEIGHT_TABLE, cedarv_regs + CEDARV_H264_RAM_WRITE_PTR);
for (i = 0; i < 32; i++)
writel(((h->luma_offset_l0[i] & 0x1ff) << 16)
| (h->luma_weight_l0[i] & 0xff), cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
for (i = 0; i < 32; i++)
for (j = 0; j < 2; j++)
writel(((h->chroma_offset_l0[i][j] & 0x1ff) << 16)
| (h->chroma_weight_l0[i][j] & 0xff), cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
for (i = 0; i < 32; i++)
writel(((h->luma_offset_l1[i] & 0x1ff) << 16)
| (h->luma_weight_l1[i] & 0xff), cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
for (i = 0; i < 32; i++)
for (j = 0; j < 2; j++)
writel(((h->chroma_offset_l1[i][j] & 0x1ff) << 16)
| (h->chroma_weight_l1[i][j] & 0xff), cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
}
static void dec_ref_pic_marking(h264_context_t *c)
{
void* cedarv_regs = cedarv_get_regs();
h264_header_t *h = &c->header;
// only reads bits to allow decoding, doesn't mark anything
if (h->nal_unit_type == 5)
{
get_u(cedarv_regs, 1);
get_u(cedarv_regs, 1);
}
else
{
int adaptive_ref_pic_marking_mode_flag = get_u(cedarv_regs, 1);
if (adaptive_ref_pic_marking_mode_flag)
{
unsigned int memory_management_control_operation;
do
{
memory_management_control_operation = get_ue(cedarv_regs);
if (memory_management_control_operation == 1 || memory_management_control_operation == 3)
{
get_ue(cedarv_regs);
}
if (memory_management_control_operation == 2)
{
get_ue(cedarv_regs);
}
if (memory_management_control_operation == 3 || memory_management_control_operation == 6)
{
get_ue(cedarv_regs);
}
if (memory_management_control_operation == 4)
{
get_ue(cedarv_regs);
}
} while (memory_management_control_operation != 0);
}
}
}
static int pic_order_cnt(const h264_picture_t *pic)
{
if (pic->field == PIC_FRAME)
return min(pic->top_pic_order_cnt, pic->bottom_pic_order_cnt);
else if (pic->field == PIC_TOP_FIELD)
return pic->top_pic_order_cnt;
else
return pic->bottom_pic_order_cnt;
}
static int sort_ref_pics_by_poc(const void *p1, const void *p2)
{
const h264_picture_t *r1 = p1;
const h264_picture_t *r2 = p2;
return pic_order_cnt(r1) - pic_order_cnt(r2);
}
static int sort_ref_pics_by_frame_num(const void *p1, const void *p2)
{
const h264_picture_t *r1 = p1;
const h264_picture_t *r2 = p2;
return r1->frame_idx - r2->frame_idx;
}
static void split_ref_fields(h264_picture_t *out, h264_picture_t **in, int len, int cur_field)
{
int even = 0, odd = 0;
int index = 0;
while (even < len || odd < len)
{
while (even < len && !(in[even]->field & cur_field))
even++;
if (even < len)
{
out[index] = *in[even++];
out[index].field = cur_field;
index++;
}
while (odd < len && !(in[odd]->field & (cur_field ^ PIC_FRAME)))
odd++;
if (odd < len)
{
out[index] = *in[odd++];
out[index].field = cur_field ^ PIC_FRAME;
index++;
}
}
}
static void fill_default_ref_pic_list(h264_context_t *c)
{
h264_header_t *h = &c->header;
VdpPictureInfoH264 const *info = c->info;
int cur_field = h->field_pic_flag ? (h->bottom_field_flag ? PIC_BOTTOM_FIELD : PIC_TOP_FIELD) : PIC_FRAME;
if (h->slice_type == SLICE_TYPE_P)
{
qsort(c->ref_pic, c->ref_count, sizeof(c->ref_pic[0]), &sort_ref_pics_by_frame_num);
int i;
int ptr0 = 0;
h264_picture_t *sorted[16];
for (i = 0; i < c->ref_count; i++)
{
if (c->ref_pic[c->ref_count - 1 - i].frame_idx <= info->frame_num)
sorted[ptr0++] = &c->ref_pic[c->ref_count - 1 - i];
}
for (i = 0; i < c->ref_count; i++)
{
if (c->ref_pic[c->ref_count - 1 - i].frame_idx > info->frame_num)
sorted[ptr0++] = &c->ref_pic[c->ref_count - 1 - i];
}
split_ref_fields(h->RefPicList0, sorted, c->ref_count, cur_field);
}
else if (h->slice_type == SLICE_TYPE_B)
{
qsort(c->ref_pic, c->ref_count, sizeof(c->ref_pic[0]), &sort_ref_pics_by_poc);
int cur_poc;
if (h->field_pic_flag)
cur_poc = (uint16_t)info->field_order_cnt[cur_field == PIC_BOTTOM_FIELD];
else
cur_poc = min((uint16_t)info->field_order_cnt[0], (uint16_t)info->field_order_cnt[1]);
int i;
int ptr0 = 0, ptr1 = 0;
h264_picture_t *sorted[2][16];
for (i = 0; i < c->ref_count; i++)
{
if (pic_order_cnt(&c->ref_pic[c->ref_count - 1 - i]) <= cur_poc)
sorted[0][ptr0++] = &c->ref_pic[c->ref_count - 1 - i];
if (pic_order_cnt(&c->ref_pic[i]) > cur_poc)
sorted[1][ptr1++] = &c->ref_pic[i];
}
for (i = 0; i < c->ref_count; i++)
{
if (pic_order_cnt(&c->ref_pic[i]) > cur_poc)
sorted[0][ptr0++] = &c->ref_pic[i];
if (pic_order_cnt(&c->ref_pic[c->ref_count - 1 - i]) <= cur_poc)
sorted[1][ptr1++] = &c->ref_pic[c->ref_count - 1 - i];
}
split_ref_fields(h->RefPicList0, sorted[0], c->ref_count, cur_field);
split_ref_fields(h->RefPicList1, sorted[1], c->ref_count, cur_field);
}
}
static void decode_slice_header(h264_context_t *c)
{
void* cedarv_regs = cedarv_get_regs();
h264_header_t *h = &c->header;
VdpPictureInfoH264 const *info = c->info;
h->num_ref_idx_l0_active_minus1 = info->num_ref_idx_l0_active_minus1;
h->num_ref_idx_l1_active_minus1 = info->num_ref_idx_l1_active_minus1;
h->first_mb_in_slice = get_ue(cedarv_regs);
h->slice_type = get_ue(cedarv_regs);
if (h->slice_type >= 5)
h->slice_type -= 5;
h->pic_parameter_set_id = get_ue(cedarv_regs);
// separate_colour_plane_flag isn't available in VDPAU
/*if (separate_colour_plane_flag == 1)
colour_plane_id u(2)*/
h->frame_num = get_u(cedarv_regs, info->log2_max_frame_num_minus4 + 4);
if (!info->frame_mbs_only_flag)
{
h->field_pic_flag = get_u(cedarv_regs, 1);
if (h->field_pic_flag)
h->bottom_field_flag = get_u(cedarv_regs, 1);
}
if (h->nal_unit_type == 5)
h->idr_pic_id = get_ue(cedarv_regs);
if (info->pic_order_cnt_type == 0)
{
h->pic_order_cnt_lsb = get_u(cedarv_regs, info->log2_max_pic_order_cnt_lsb_minus4 + 4);
if (info->pic_order_present_flag && !info->field_pic_flag)
h->delta_pic_order_cnt_bottom = get_se(cedarv_regs);
}
if (info->pic_order_cnt_type == 1 && !info->delta_pic_order_always_zero_flag)
{
h->delta_pic_order_cnt[0] = get_se(cedarv_regs);
if (info->pic_order_present_flag && !info->field_pic_flag)
h->delta_pic_order_cnt[1] = get_se(cedarv_regs);
}
if (info->redundant_pic_cnt_present_flag)
h->redundant_pic_cnt = get_ue(cedarv_regs);
if (h->slice_type == SLICE_TYPE_B)
h->direct_spatial_mv_pred_flag = get_u(cedarv_regs, 1);
if (h->slice_type == SLICE_TYPE_P || h->slice_type == SLICE_TYPE_SP || h->slice_type == SLICE_TYPE_B)
{
h->num_ref_idx_active_override_flag = get_u(cedarv_regs, 1);
if (h->num_ref_idx_active_override_flag)
{
h->num_ref_idx_l0_active_minus1 = get_ue(cedarv_regs);
if (h->slice_type == SLICE_TYPE_B)
h->num_ref_idx_l1_active_minus1 = get_ue(cedarv_regs);
}
}
fill_default_ref_pic_list(c);
if (h->nal_unit_type == 20)
{}//ref_pic_list_mvc_modification(); // specified in Annex H
else
ref_pic_list_modification(c);
if ((info->weighted_pred_flag && (h->slice_type == SLICE_TYPE_P || h->slice_type == SLICE_TYPE_SP)) || (info->weighted_bipred_idc == 1 && h->slice_type == SLICE_TYPE_B))
pred_weight_table(c);
if (info->is_reference)
dec_ref_pic_marking(c);
if (info->entropy_coding_mode_flag && h->slice_type != SLICE_TYPE_I && h->slice_type != SLICE_TYPE_SI)
h->cabac_init_idc = get_ue(cedarv_regs);
h->slice_qp_delta = get_se(cedarv_regs);
if (h->slice_type == SLICE_TYPE_SP || h->slice_type == SLICE_TYPE_SI)
{
if (h->slice_type == SLICE_TYPE_SP)
h->sp_for_switch_flag = get_u(cedarv_regs, 1);
h->slice_qs_delta = get_se(cedarv_regs);
}
if (info->deblocking_filter_control_present_flag)
{
h->disable_deblocking_filter_idc = get_ue(cedarv_regs);
if (h->disable_deblocking_filter_idc != 1)
{
h->slice_alpha_c0_offset_div2 = get_se(cedarv_regs);
h->slice_beta_offset_div2 = get_se(cedarv_regs);
}
}
// num_slice_groups_minus1, slice_group_map_type, slice_group_map_type aren't available in VDPAU
/*if (num_slice_groups_minus1 > 0 && slice_group_map_type >= 3 && slice_group_map_type <= 5)
slice_group_change_cycle u(v)*/
}
static void fill_frame_lists(h264_context_t *c)
{
int i;
h264_video_private_t *output_p = (h264_video_private_t *)c->output->decoder_private;
void* cedarv_regs = cedarv_get_regs();
// collect reference frames
h264_picture_t *frame_list[18];
memset(frame_list, 0, sizeof(frame_list));
int output_placed = 0;
for (i = 0; i < 16; i++)
{
const VdpReferenceFrameH264 *rf = &(c->info->referenceFrames[i]);
if (rf->surface != VDP_INVALID_HANDLE)
{
if (rf->is_long_term)
VDPAU_DBG("NOT IMPLEMENTED: We got a longterm reference!");
video_surface_ctx_t *surface = handle_get(rf->surface);
if(surface && surface->frame_decoded)
{
if (surface == c->output)
output_placed = 1;
h264_video_private_t *surface_p = (h264_video_private_t *)surface->decoder_private;
if (!surface_p)
{
VDPAU_DBG("non-existent reference frame, fake it");
surface_p = calloc(1, sizeof(h264_video_private_t));
surface_p->extra_data_len = (c->picture_width_in_mbs_minus1 + 1) *
(c->picture_height_in_mbs_minus1 + 1) * 32;
surface_p->extra_data = cedarv_malloc(surface_p->extra_data_len);
surface_p->pos = 0;
surface->decoder_private = surface_p;
surface->decoder_private_free = h264_video_private_free;
}
c->ref_pic[c->ref_count].surface = surface;
c->ref_pic[c->ref_count].top_pic_order_cnt = rf->field_order_cnt[0];
c->ref_pic[c->ref_count].bottom_pic_order_cnt = rf->field_order_cnt[1];
c->ref_pic[c->ref_count].frame_idx = rf->frame_idx;
c->ref_pic[c->ref_count].field =
(rf->top_is_reference ? PIC_TOP_FIELD : 0) |
(rf->bottom_is_reference ? PIC_BOTTOM_FIELD : 0);
frame_list[surface_p->pos] = &c->ref_pic[c->ref_count];
c->ref_count = ++c->ref_count & 0xf;
handle_release(rf->surface);
}
}
}
// write picture buffer list
writel(CEDARV_SRAM_H264_FRAMEBUFFER_LIST, cedarv_regs + CEDARV_H264_RAM_WRITE_PTR);
for (i = 0; i < 18; i++)
{
if (!output_placed && !frame_list[i])
{
writel((uint16_t)c->info->field_order_cnt[0], cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
writel((uint16_t)c->info->field_order_cnt[1], cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
writel(output_p->pic_type << 8, cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
writel(cedarv_virt2phys(c->output->dataY), cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
writel(cedarv_virt2phys(c->output->dataU), cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
writel(cedarv_virt2phys(output_p->extra_data), cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
writel(cedarv_virt2phys(output_p->extra_data) + (output_p->extra_data_len / 2), cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
writel(0, cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
output_p->pos = i;
output_placed = 1;
}
else if (!frame_list[i])
{
int j;
for (j = 0; j < 8; j++)
writel(0x0, cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
}
else
{
video_surface_ctx_t *surface = frame_list[i]->surface;
h264_video_private_t *surface_p = (h264_video_private_t *)surface->decoder_private;
writel(frame_list[i]->top_pic_order_cnt, cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
writel(frame_list[i]->bottom_pic_order_cnt, cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
writel(surface_p->pic_type << 8, cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
writel(cedarv_virt2phys(surface->dataY), cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
writel(cedarv_virt2phys(surface->dataU), cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
writel(cedarv_virt2phys(surface_p->extra_data), cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
writel(cedarv_virt2phys(surface_p->extra_data) + (surface_p->extra_data_len / 2), cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
writel(0, cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
}
}
// output index
writel(output_p->pos, cedarv_regs + CEDARV_H264_OUTPUT_FRAME_IDX);
// sort reference frame list
//qsort(c->ref_pic, c->ref_count, sizeof(c->ref_pic[0]), &sort_ref_frames);
}
unsigned long num_pics=0;
unsigned long num_longs=0;
// VDPAU does not tell us if the scaling lists are default or custom
static int check_scaling_lists(h264_context_t *c)
{
const uint32_t *sl4 = (uint32_t *)&c->info->scaling_lists_4x4[0][0];
const uint32_t *sl8 = (uint32_t *)&c->info->scaling_lists_8x8[0][0];
int i;
for (i = 0; i < 6 * 16 / 4; i++)
if (sl4[i] != 0x10101010)
return 0;
for (i = 0; i < 2 * 64 / 4; i++)
if (sl8[i] != 0x10101010)
return 0;
return 1;
}
static VdpStatus h264_decode(decoder_ctx_t *decoder, VdpPictureInfo const *_info, const int len, video_surface_ctx_t *output)
{
h264_private_t *decoder_p = (h264_private_t *)decoder->private;
VdpPictureInfoH264 const *info = (VdpPictureInfoH264 const *)_info;
unsigned long value = 0;
h264_video_private_t *output_p;
h264_context_t *c = calloc(1, sizeof(h264_context_t));
c->picture_width_in_mbs_minus1 = (decoder->width - 1) / 16;
if (!info->frame_mbs_only_flag)
c->picture_height_in_mbs_minus1 = ((decoder->height / 2) - 1) / 16;
else
c->picture_height_in_mbs_minus1 = (decoder->height - 1) / 16;
c->info = info;
c->output = output;
if (!c->output->decoder_private)
{
output_p = calloc(1, sizeof(h264_video_private_t));
if (!output_p)
return VDP_STATUS_RESOURCES;
// create extra buffer
int MvColBufSize = (c->picture_height_in_mbs_minus1 + 1)*(2 - c->info->frame_mbs_only_flag);
MvColBufSize = (MvColBufSize+1)/2;
output_p->extra_data_len = (c->picture_width_in_mbs_minus1 + 1) * MvColBufSize * 32 * 2;
output_p->extra_data = cedarv_malloc(output_p->extra_data_len);
c->output->decoder_private = output_p;
c->output->decoder_private_free = h264_video_private_free;
}
if (info->field_pic_flag)
output_p->pic_type = PIC_TYPE_FIELD;
else if (info->mb_adaptive_frame_field_flag)
output_p->pic_type = PIC_TYPE_MBAFF;
else
output_p->pic_type = PIC_TYPE_FRAME;
void* cedarv_regs = cedarv_get(CEDARV_ENGINE_H264, (decoder->width >= 2048 ? 0x1 : 0x0) << 21);
// activate H264 engine
writel((readl(cedarv_regs + CEDARV_CTRL) & ~0xf) | 0x1
| (decoder->width >= 2048 ? (0x1 << 21) : 0x0), cedarv_regs + CEDARV_CTRL);
// some buffers
uint32_t mbFieldIntraBuf = cedarv_virt2phys(decoder_p->mbFieldIntraBuf);
writel(mbFieldIntraBuf, cedarv_regs + CEDARV_H264_FIELD_INTRA_INFO_BUF);
uint32_t mbNeighborInfoBuf = cedarv_virt2phys(decoder_p->mbNeighborInfoBuf);
writel(mbNeighborInfoBuf, cedarv_regs + CEDARV_H264_NEIGHBOR_INFO_BUF);
if (cedarv_get_version() == 0x1625 || decoder->width >= 2048)
{
writel(decoder->width >= 2048 ? 0x5 : 0xa, cedarv_regs + CEDARV_IPD_DBLK_BUF_CTRL);
writel(cedarv_virt2phys(decoder_p->deBlkDramBuf), cedarv_regs + CEDARV_IPD_BUF);
writel(cedarv_virt2phys(decoder_p->intraPredDramBuf), cedarv_regs + CEDARV_DBLK_BUF);
}
// write custom scaling lists
if (!(c->default_scaling_lists = check_scaling_lists(c)))
{
const uint32_t *sl4 = (uint32_t *)&c->info->scaling_lists_4x4[0][0];
const uint32_t *sl8 = (uint32_t *)&c->info->scaling_lists_8x8[0][0];
writel(CEDARV_SRAM_H264_SCALING_LISTS, cedarv_regs + CEDARV_H264_RAM_WRITE_PTR);
int i;
for (i = 0; i < 2 * 64 / 4; i++)
writel(sl8[i], cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
for (i = 0; i < 6 * 16 / 4; i++)
writel(sl4[i], cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
}
// sdctrl
writel(0x00000000, cedarv_regs + CEDARV_H264_SDROT_CTRL);
fill_frame_lists(c);
writel(0x00000000, cedarv_regs + CEDARV_H264_CUR_MB_NUM);
writel(0x00000000, cedarv_regs + CEDARV_H264_MB_ADDR);
unsigned int slice, pos = 0;
for (slice = 0; slice < info->slice_count; slice++)
{
h264_header_t *h = &c->header;
memset(h, 0, sizeof(h264_header_t));
pos = find_startcode(decoder->data, len, pos) + 3;
h->nal_unit_type = cedarv_byteAccess(decoder->data, pos++) & 0x1f;
if (h->nal_unit_type != 5 && h->nal_unit_type != 1)
{
free(c);
cedarv_put();
return VDP_STATUS_ERROR;
}
// Enable startcode detect and ??
writel((0x1 << 25) | (0x1 << 10), cedarv_regs + CEDARV_H264_CTRL);
// input buffer
writel((len - pos) * 8, cedarv_regs + CEDARV_H264_VLD_LEN);
writel(pos * 8, cedarv_regs + CEDARV_H264_VLD_OFFSET);
uint32_t input_addr = cedarv_virt2phys(decoder->data);
writel(input_addr + VBV_SIZE - 1, cedarv_regs + CEDARV_H264_VLD_END);
writel((input_addr & 0x0ffffff0) | (input_addr >> 28) | (0x7 << 28), cedarv_regs + CEDARV_H264_VLD_ADDR);
writel(0x7, cedarv_regs + CEDARV_H264_TRIGGER);
int i;
decode_slice_header(c);
#if 1
// write RefPicLists
if (h->slice_type != SLICE_TYPE_I && h->slice_type != SLICE_TYPE_SI)
{
writel(CEDARV_SRAM_H264_REF_LIST0, cedarv_regs + CEDARV_H264_RAM_WRITE_PTR);
for (i = 0; i < h->num_ref_idx_l0_active_minus1 + 1; i += 4)
{
int j;
uint32_t list = 0;
for (j = 0; j < 4; j++)
if (h->RefPicList0[i + j].surface)
{
if( h->RefPicList0[i + j].surface && h->RefPicList0[i + j].surface->frame_decoded)
{
h264_video_private_t *surface_p = (h264_video_private_t *)h->RefPicList0[i + j].surface->decoder_private;
list |= ((surface_p->pos * 2 + (h->RefPicList0[i + j].field == PIC_BOTTOM_FIELD)) << (j * 8));
}
}
writel(list, cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
}
}
if (h->slice_type == SLICE_TYPE_B)
{
writel(CEDARV_SRAM_H264_REF_LIST1, cedarv_regs + CEDARV_H264_RAM_WRITE_PTR);
for (i = 0; i < h->num_ref_idx_l1_active_minus1 + 1; i += 4)
{
int j;
uint32_t list = 0;
for (j = 0; j < 4; j++)
if (h->RefPicList1[i + j].surface && h->RefPicList1[i + j].surface->frame_decoded)
{
h264_video_private_t *surface_p = (h264_video_private_t *)h->RefPicList1[i + j].surface->decoder_private;
list |= ((surface_p->pos * 2 + (h->RefPicList1[i + j].field == PIC_BOTTOM_FIELD)) << (j * 8));
}
writel(list, cedarv_regs + CEDARV_H264_RAM_WRITE_DATA);
}
}
#endif
// picture parameters
writel(((info->entropy_coding_mode_flag & 0x1) << 15)
| ((info->num_ref_idx_l0_active_minus1 & 0x1f) << 10)
| ((info->num_ref_idx_l1_active_minus1 & 0x1f) << 5)
| ((info->weighted_pred_flag & 0x1) << 4)
| ((info->weighted_bipred_idc & 0x3) << 2)
| ((info->constrained_intra_pred_flag & 0x1) << 1)
| ((info->transform_8x8_mode_flag & 0x1) << 0)
, cedarv_regs + CEDARV_H264_PIC_HDR);
// sequence parameters
writel((0x1 << 19) //chroma_format_idc
| ((c->info->frame_mbs_only_flag & 0x1) << 18)
| ((c->info->mb_adaptive_frame_field_flag & 0x1) << 17)
| ((c->info->direct_8x8_inference_flag & 0x1) << 16)
| ((c->picture_width_in_mbs_minus1 & 0xff) << 8)
| ((c->picture_height_in_mbs_minus1 & 0xff) << 0)
, cedarv_regs + CEDARV_H264_FRAME_SIZE);
// slice parameters
writel((((h->first_mb_in_slice % (c->picture_width_in_mbs_minus1 + 1)) & 0xff) << 24)
| (((h->first_mb_in_slice / (c->picture_width_in_mbs_minus1 + 1)) & 0xff) *
(output_p->pic_type == PIC_TYPE_MBAFF ? 2 : 1) << 16)
| ((info->is_reference & 0x1) << 12)
| ((h->slice_type & 0xf) << 8)
| ((slice == 0 ? 0x1 : 0x0) << 5)
| ((info->field_pic_flag & 0x1) << 4)
| ((info->bottom_field_flag & 0x1) << 3)
| ((h->direct_spatial_mv_pred_flag & 0x1) << 2)
| ((h->cabac_init_idc & 0x3) << 0)
, cedarv_regs + CEDARV_H264_SLICE_HDR);
value = 0;
value |= ((h->num_ref_idx_l0_active_minus1 & 0x1f) << 24);
if(h->slice_type == SLICE_TYPE_B)
value |= ((h->num_ref_idx_l1_active_minus1 & 0x1f) << 16);
value |= ((h->num_ref_idx_active_override_flag & 0x1) << 12);
value |= ((h->disable_deblocking_filter_idc & 0x3) << 8);
value |= ((h->slice_alpha_c0_offset_div2 & 0xf) << 4);
value |= ((h->slice_beta_offset_div2 & 0xf) << 0);
writel(value, cedarv_regs + CEDARV_H264_SLICE_HDR2);
value = 0;
value |= ((c->default_scaling_lists & 0x1) << 24);
value |= ((info->second_chroma_qp_index_offset & 0x3f) << 16);
value |= ((info->chroma_qp_index_offset & 0x3f) << 8);
value |= (((info->pic_init_qp_minus26 + 26 + h->slice_qp_delta) & 0x3f) << 0);
writel(value, cedarv_regs + CEDARV_H264_QP_PARAM);
// clear status flags
writel(readl(cedarv_regs + CEDARV_H264_STATUS), cedarv_regs + CEDARV_H264_STATUS);
// enable int
writel(readl(cedarv_regs + CEDARV_H264_CTRL) | 0x7, cedarv_regs + CEDARV_H264_CTRL);
// SHOWTIME
writel(0x8, cedarv_regs + CEDARV_H264_TRIGGER);
++num_pics;
#if TIME_MEAS
uint64_t tv, tv2;
tv = get_time();
#endif
cedarv_wait(1);
#if TIME_MEAS
tv2 = get_time();
if (tv2-tv > 20000000) {
printf("cedarv_wait, longer than 20ms:%lld, pics=%ld, longs=%ld\n", tv2-tv, num_pics, ++num_longs);
}