summaryrefslogtreecommitdiff
path: root/libavcodec/libaomenc.c
blob: 2c3c3eb18593fa733f17ffb18b10c4db8e030ee8 (plain)
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
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
/*
 * Copyright (c) 2010, Google, Inc.
 *
 * 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
 */

/**
 * @file
 * AV1 encoder support via libaom
 */

#define AOM_DISABLE_CTRL_TYPECHECKS 1
#include <aom/aom_encoder.h>
#include <aom/aomcx.h>

#include "libavutil/avassert.h"
#include "libavutil/base64.h"
#include "libavutil/common.h"
#include "libavutil/mathematics.h"
#include "libavutil/opt.h"
#include "libavutil/pixdesc.h"

#include "av1.h"
#include "avcodec.h"
#include "internal.h"
#include "packet_internal.h"
#include "profiles.h"

/*
 * Portion of struct aom_codec_cx_pkt from aom_encoder.h.
 * One encoded frame returned from the library.
 */
struct FrameListData {
    void *buf;                       /**< compressed data buffer */
    size_t sz;                       /**< length of compressed data */
    int64_t pts;                     /**< time stamp to show frame
                                          (in timebase units) */
    unsigned long duration;          /**< duration to show frame
                                          (in timebase units) */
    uint32_t flags;                  /**< flags for this frame */
    uint64_t sse[4];
    int have_sse;                    /**< true if we have pending sse[] */
    uint64_t frame_number;
    struct FrameListData *next;
};

typedef struct AOMEncoderContext {
    AVClass *class;
    AVBSFContext *bsf;
    struct aom_codec_ctx encoder;
    struct aom_image rawimg;
    struct aom_fixed_buf twopass_stats;
    struct FrameListData *coded_frame_list;
    int cpu_used;
    int auto_alt_ref;
    int arnr_max_frames;
    int arnr_strength;
    int aq_mode;
    int lag_in_frames;
    int error_resilient;
    int crf;
    int static_thresh;
    int drop_threshold;
    int denoise_noise_level;
    int denoise_block_size;
    uint64_t sse[4];
    int have_sse; /**< true if we have pending sse[] */
    uint64_t frame_number;
    int rc_undershoot_pct;
    int rc_overshoot_pct;
    int minsection_pct;
    int maxsection_pct;
    int frame_parallel;
    int tile_cols, tile_rows;
    int tile_cols_log2, tile_rows_log2;
    aom_superblock_size_t superblock_size;
    int uniform_tiles;
    int row_mt;
    int enable_cdef;
    int enable_global_motion;
    int enable_intrabc;
    int enable_restoration;
    int usage;
    int tune;
    int enable_rect_partitions;
    int enable_1to4_partitions;
    int enable_ab_partitions;
    int enable_angle_delta;
    int enable_cfl_intra;
    int enable_paeth_intra;
    int enable_smooth_intra;
    int enable_intra_edge_filter;
    int enable_palette;
    int enable_filter_intra;
    int enable_flip_idtx;
    int enable_tx64;
    int reduced_tx_type_set;
    int use_intra_dct_only;
    int use_inter_dct_only;
    int use_intra_default_tx_only;
    int enable_ref_frame_mvs;
    int enable_interinter_wedge;
    int enable_interintra_wedge;
    int enable_interintra_comp;
    int enable_masked_comp;
    int enable_obmc;
    int enable_onesided_comp;
    int enable_reduced_reference_set;
    int enable_smooth_interintra;
    int enable_diff_wtd_comp;
    int enable_dist_wtd_comp;
    int enable_dual_filter;
    AVDictionary *aom_params;
} AOMContext;

static const char *const ctlidstr[] = {
    [AOME_SET_CPUUSED]          = "AOME_SET_CPUUSED",
    [AOME_SET_CQ_LEVEL]         = "AOME_SET_CQ_LEVEL",
    [AOME_SET_ENABLEAUTOALTREF] = "AOME_SET_ENABLEAUTOALTREF",
    [AOME_SET_ARNR_MAXFRAMES]   = "AOME_SET_ARNR_MAXFRAMES",
    [AOME_SET_ARNR_STRENGTH]    = "AOME_SET_ARNR_STRENGTH",
    [AOME_SET_STATIC_THRESHOLD] = "AOME_SET_STATIC_THRESHOLD",
    [AV1E_SET_COLOR_RANGE]      = "AV1E_SET_COLOR_RANGE",
    [AV1E_SET_COLOR_PRIMARIES]  = "AV1E_SET_COLOR_PRIMARIES",
    [AV1E_SET_MATRIX_COEFFICIENTS] = "AV1E_SET_MATRIX_COEFFICIENTS",
    [AV1E_SET_TRANSFER_CHARACTERISTICS] = "AV1E_SET_TRANSFER_CHARACTERISTICS",
    [AV1E_SET_AQ_MODE]          = "AV1E_SET_AQ_MODE",
    [AV1E_SET_FRAME_PARALLEL_DECODING] = "AV1E_SET_FRAME_PARALLEL_DECODING",
    [AV1E_SET_SUPERBLOCK_SIZE]  = "AV1E_SET_SUPERBLOCK_SIZE",
    [AV1E_SET_TILE_COLUMNS]     = "AV1E_SET_TILE_COLUMNS",
    [AV1E_SET_TILE_ROWS]        = "AV1E_SET_TILE_ROWS",
    [AV1E_SET_ENABLE_RESTORATION] = "AV1E_SET_ENABLE_RESTORATION",
#ifdef AOM_CTRL_AV1E_SET_ROW_MT
    [AV1E_SET_ROW_MT]           = "AV1E_SET_ROW_MT",
#endif
#ifdef AOM_CTRL_AV1E_SET_DENOISE_NOISE_LEVEL
    [AV1E_SET_DENOISE_NOISE_LEVEL] =  "AV1E_SET_DENOISE_NOISE_LEVEL",
#endif
#ifdef AOM_CTRL_AV1E_SET_DENOISE_BLOCK_SIZE
    [AV1E_SET_DENOISE_BLOCK_SIZE] =   "AV1E_SET_DENOISE_BLOCK_SIZE",
#endif
#ifdef AOM_CTRL_AV1E_SET_MAX_REFERENCE_FRAMES
    [AV1E_SET_MAX_REFERENCE_FRAMES] = "AV1E_SET_MAX_REFERENCE_FRAMES",
#endif
#ifdef AOM_CTRL_AV1E_SET_ENABLE_GLOBAL_MOTION
    [AV1E_SET_ENABLE_GLOBAL_MOTION] = "AV1E_SET_ENABLE_GLOBAL_MOTION",
#endif
#ifdef AOM_CTRL_AV1E_SET_ENABLE_INTRABC
    [AV1E_SET_ENABLE_INTRABC]   = "AV1E_SET_ENABLE_INTRABC",
#endif
    [AV1E_SET_ENABLE_CDEF]      = "AV1E_SET_ENABLE_CDEF",
    [AOME_SET_TUNING]           = "AOME_SET_TUNING",
#if AOM_ENCODER_ABI_VERSION >= 22
    [AV1E_SET_ENABLE_1TO4_PARTITIONS] = "AV1E_SET_ENABLE_1TO4_PARTITIONS",
    [AV1E_SET_ENABLE_AB_PARTITIONS]   = "AV1E_SET_ENABLE_AB_PARTITIONS",
    [AV1E_SET_ENABLE_RECT_PARTITIONS] = "AV1E_SET_ENABLE_RECT_PARTITIONS",
    [AV1E_SET_ENABLE_ANGLE_DELTA]       = "AV1E_SET_ENABLE_ANGLE_DELTA",
    [AV1E_SET_ENABLE_CFL_INTRA]         = "AV1E_SET_ENABLE_CFL_INTRA",
    [AV1E_SET_ENABLE_FILTER_INTRA]      = "AV1E_SET_ENABLE_FILTER_INTRA",
    [AV1E_SET_ENABLE_INTRA_EDGE_FILTER] = "AV1E_SET_ENABLE_INTRA_EDGE_FILTER",
    [AV1E_SET_ENABLE_PAETH_INTRA]       = "AV1E_SET_ENABLE_PAETH_INTRA",
    [AV1E_SET_ENABLE_SMOOTH_INTRA]      = "AV1E_SET_ENABLE_SMOOTH_INTRA",
    [AV1E_SET_ENABLE_PALETTE]           = "AV1E_SET_ENABLE_PALETTE",
    [AV1E_SET_ENABLE_FLIP_IDTX]      = "AV1E_SET_ENABLE_FLIP_IDTX",
    [AV1E_SET_ENABLE_TX64]           = "AV1E_SET_ENABLE_TX64",
    [AV1E_SET_INTRA_DCT_ONLY]        = "AV1E_SET_INTRA_DCT_ONLY",
    [AV1E_SET_INTER_DCT_ONLY]        = "AV1E_SET_INTER_DCT_ONLY",
    [AV1E_SET_INTRA_DEFAULT_TX_ONLY] = "AV1E_SET_INTRA_DEFAULT_TX_ONLY",
    [AV1E_SET_REDUCED_TX_TYPE_SET]   = "AV1E_SET_REDUCED_TX_TYPE_SET",
    [AV1E_SET_ENABLE_DIFF_WTD_COMP]     = "AV1E_SET_ENABLE_DIFF_WTD_COMP",
    [AV1E_SET_ENABLE_DIST_WTD_COMP]     = "AV1E_SET_ENABLE_DIST_WTD_COMP",
    [AV1E_SET_ENABLE_DUAL_FILTER]       = "AV1E_SET_ENABLE_DUAL_FILTER",
    [AV1E_SET_ENABLE_INTERINTER_WEDGE]  = "AV1E_SET_ENABLE_INTERINTER_WEDGE",
    [AV1E_SET_ENABLE_INTERINTRA_WEDGE]  = "AV1E_SET_ENABLE_INTERINTRA_WEDGE",
    [AV1E_SET_ENABLE_MASKED_COMP]       = "AV1E_SET_ENABLE_MASKED_COMP",
    [AV1E_SET_ENABLE_INTERINTRA_COMP]   = "AV1E_SET_ENABLE_INTERINTRA_COMP",
    [AV1E_SET_ENABLE_OBMC]              = "AV1E_SET_ENABLE_OBMC",
    [AV1E_SET_ENABLE_ONESIDED_COMP]     = "AV1E_SET_ENABLE_ONESIDED_COMP",
    [AV1E_SET_REDUCED_REFERENCE_SET]    = "AV1E_SET_REDUCED_REFERENCE_SET",
    [AV1E_SET_ENABLE_SMOOTH_INTERINTRA] = "AV1E_SET_ENABLE_SMOOTH_INTERINTRA",
    [AV1E_SET_ENABLE_REF_FRAME_MVS]     = "AV1E_SET_ENABLE_REF_FRAME_MVS",
#endif
};

static av_cold void log_encoder_error(AVCodecContext *avctx, const char *desc)
{
    AOMContext *ctx    = avctx->priv_data;
    const char *error  = aom_codec_error(&ctx->encoder);
    const char *detail = aom_codec_error_detail(&ctx->encoder);

    av_log(avctx, AV_LOG_ERROR, "%s: %s\n", desc, error);
    if (detail)
        av_log(avctx, AV_LOG_ERROR, "  Additional information: %s\n", detail);
}

static av_cold void dump_enc_cfg(AVCodecContext *avctx,
                                 const struct aom_codec_enc_cfg *cfg)
{
    int width = -30;
    int level = AV_LOG_DEBUG;

    av_log(avctx, level, "aom_codec_enc_cfg\n");
    av_log(avctx, level, "generic settings\n"
                         "  %*s%u\n  %*s%u\n  %*s%u\n  %*s%u\n  %*s%u\n"
                         "  %*s%u\n  %*s%u\n"
                         "  %*s{%u/%u}\n  %*s%u\n  %*s%d\n  %*s%u\n",
           width, "g_usage:",           cfg->g_usage,
           width, "g_threads:",         cfg->g_threads,
           width, "g_profile:",         cfg->g_profile,
           width, "g_w:",               cfg->g_w,
           width, "g_h:",               cfg->g_h,
           width, "g_bit_depth:",       cfg->g_bit_depth,
           width, "g_input_bit_depth:", cfg->g_input_bit_depth,
           width, "g_timebase:",        cfg->g_timebase.num, cfg->g_timebase.den,
           width, "g_error_resilient:", cfg->g_error_resilient,
           width, "g_pass:",            cfg->g_pass,
           width, "g_lag_in_frames:",   cfg->g_lag_in_frames);
    av_log(avctx, level, "rate control settings\n"
                         "  %*s%u\n  %*s%d\n  %*s%p(%"SIZE_SPECIFIER")\n  %*s%u\n",
           width, "rc_dropframe_thresh:", cfg->rc_dropframe_thresh,
           width, "rc_end_usage:",        cfg->rc_end_usage,
           width, "rc_twopass_stats_in:", cfg->rc_twopass_stats_in.buf, cfg->rc_twopass_stats_in.sz,
           width, "rc_target_bitrate:",   cfg->rc_target_bitrate);
    av_log(avctx, level, "quantizer settings\n"
                         "  %*s%u\n  %*s%u\n",
           width, "rc_min_quantizer:", cfg->rc_min_quantizer,
           width, "rc_max_quantizer:", cfg->rc_max_quantizer);
    av_log(avctx, level, "bitrate tolerance\n"
                         "  %*s%u\n  %*s%u\n",
           width, "rc_undershoot_pct:", cfg->rc_undershoot_pct,
           width, "rc_overshoot_pct:",  cfg->rc_overshoot_pct);
    av_log(avctx, level, "decoder buffer model\n"
                         "  %*s%u\n  %*s%u\n  %*s%u\n",
           width, "rc_buf_sz:",         cfg->rc_buf_sz,
           width, "rc_buf_initial_sz:", cfg->rc_buf_initial_sz,
           width, "rc_buf_optimal_sz:", cfg->rc_buf_optimal_sz);
    av_log(avctx, level, "2 pass rate control settings\n"
                         "  %*s%u\n  %*s%u\n  %*s%u\n",
           width, "rc_2pass_vbr_bias_pct:",       cfg->rc_2pass_vbr_bias_pct,
           width, "rc_2pass_vbr_minsection_pct:", cfg->rc_2pass_vbr_minsection_pct,
           width, "rc_2pass_vbr_maxsection_pct:", cfg->rc_2pass_vbr_maxsection_pct);
    av_log(avctx, level, "keyframing settings\n"
                         "  %*s%d\n  %*s%u\n  %*s%u\n",
           width, "kf_mode:",     cfg->kf_mode,
           width, "kf_min_dist:", cfg->kf_min_dist,
           width, "kf_max_dist:", cfg->kf_max_dist);
    av_log(avctx, level, "tile settings\n"
                         "  %*s%d\n  %*s%d\n",
           width, "tile_width_count:",  cfg->tile_width_count,
           width, "tile_height_count:", cfg->tile_height_count);
    av_log(avctx, level, "\n");
}

static void coded_frame_add(void *list, struct FrameListData *cx_frame)
{
    struct FrameListData **p = list;

    while (*p)
        p = &(*p)->next;
    *p = cx_frame;
    cx_frame->next = NULL;
}

static av_cold void free_coded_frame(struct FrameListData *cx_frame)
{
    av_freep(&cx_frame->buf);
    av_freep(&cx_frame);
}

static av_cold void free_frame_list(struct FrameListData *list)
{
    struct FrameListData *p = list;

    while (p) {
        list = list->next;
        free_coded_frame(p);
        p = list;
    }
}

static av_cold int codecctl_int(AVCodecContext *avctx,
#ifdef UENUM1BYTE
                                aome_enc_control_id id,
#else
                                enum aome_enc_control_id id,
#endif
                                int val)
{
    AOMContext *ctx = avctx->priv_data;
    char buf[80];
    int width = -30;
    int res;

    snprintf(buf, sizeof(buf), "%s:", ctlidstr[id]);
    av_log(avctx, AV_LOG_DEBUG, "  %*s%d\n", width, buf, val);

    res = aom_codec_control(&ctx->encoder, id, val);
    if (res != AOM_CODEC_OK) {
        snprintf(buf, sizeof(buf), "Failed to set %s codec control",
                 ctlidstr[id]);
        log_encoder_error(avctx, buf);
        return AVERROR(EINVAL);
    }

    return 0;
}

static av_cold int aom_free(AVCodecContext *avctx)
{
    AOMContext *ctx = avctx->priv_data;

    aom_codec_destroy(&ctx->encoder);
    av_freep(&ctx->twopass_stats.buf);
    av_freep(&avctx->stats_out);
    free_frame_list(ctx->coded_frame_list);
    av_bsf_free(&ctx->bsf);
    return 0;
}

static int set_pix_fmt(AVCodecContext *avctx, aom_codec_caps_t codec_caps,
                       struct aom_codec_enc_cfg *enccfg, aom_codec_flags_t *flags,
                       aom_img_fmt_t *img_fmt)
{
    AOMContext av_unused *ctx = avctx->priv_data;
    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
    enccfg->g_bit_depth = enccfg->g_input_bit_depth = desc->comp[0].depth;
    switch (avctx->pix_fmt) {
    case AV_PIX_FMT_GRAY8:
        enccfg->monochrome = 1;
        /* Fall-through */
    case AV_PIX_FMT_YUV420P:
        enccfg->g_profile = FF_PROFILE_AV1_MAIN;
        *img_fmt = AOM_IMG_FMT_I420;
        return 0;
    case AV_PIX_FMT_YUV422P:
        enccfg->g_profile = FF_PROFILE_AV1_PROFESSIONAL;
        *img_fmt = AOM_IMG_FMT_I422;
        return 0;
    case AV_PIX_FMT_YUV444P:
    case AV_PIX_FMT_GBRP:
        enccfg->g_profile = FF_PROFILE_AV1_HIGH;
        *img_fmt = AOM_IMG_FMT_I444;
        return 0;
    case AV_PIX_FMT_GRAY10:
    case AV_PIX_FMT_GRAY12:
        enccfg->monochrome = 1;
        /* Fall-through */
    case AV_PIX_FMT_YUV420P10:
    case AV_PIX_FMT_YUV420P12:
        if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {
            enccfg->g_profile =
                enccfg->g_bit_depth == 10 ? FF_PROFILE_AV1_MAIN : FF_PROFILE_AV1_PROFESSIONAL;
            *img_fmt = AOM_IMG_FMT_I42016;
            *flags |= AOM_CODEC_USE_HIGHBITDEPTH;
            return 0;
        }
        break;
    case AV_PIX_FMT_YUV422P10:
    case AV_PIX_FMT_YUV422P12:
        if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {
            enccfg->g_profile = FF_PROFILE_AV1_PROFESSIONAL;
            *img_fmt = AOM_IMG_FMT_I42216;
            *flags |= AOM_CODEC_USE_HIGHBITDEPTH;
            return 0;
        }
        break;
    case AV_PIX_FMT_YUV444P10:
    case AV_PIX_FMT_YUV444P12:
    case AV_PIX_FMT_GBRP10:
    case AV_PIX_FMT_GBRP12:
        if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH) {
            enccfg->g_profile =
                enccfg->g_bit_depth == 10 ? FF_PROFILE_AV1_HIGH : FF_PROFILE_AV1_PROFESSIONAL;
            *img_fmt = AOM_IMG_FMT_I44416;
            *flags |= AOM_CODEC_USE_HIGHBITDEPTH;
            return 0;
        }
        break;
    default:
        break;
    }
    av_log(avctx, AV_LOG_ERROR, "Unsupported pixel format.\n");
    return AVERROR_INVALIDDATA;
}

static void set_color_range(AVCodecContext *avctx)
{
    aom_color_range_t aom_cr;
    switch (avctx->color_range) {
    case AVCOL_RANGE_UNSPECIFIED:
    case AVCOL_RANGE_MPEG:       aom_cr = AOM_CR_STUDIO_RANGE; break;
    case AVCOL_RANGE_JPEG:       aom_cr = AOM_CR_FULL_RANGE;   break;
    default:
        av_log(avctx, AV_LOG_WARNING, "Unsupported color range (%d)\n",
               avctx->color_range);
        return;
    }

    codecctl_int(avctx, AV1E_SET_COLOR_RANGE, aom_cr);
}

static int count_uniform_tiling(int dim, int sb_size, int tiles_log2)
{
    int sb_dim   = (dim + sb_size - 1) / sb_size;
    int tile_dim = (sb_dim + (1 << tiles_log2) - 1) >> tiles_log2;
    av_assert0(tile_dim > 0);
    return (sb_dim + tile_dim - 1) / tile_dim;
}

static int choose_tiling(AVCodecContext *avctx,
                         struct aom_codec_enc_cfg *enccfg)
{
    AOMContext *ctx = avctx->priv_data;
    int sb_128x128_possible, sb_size, sb_width, sb_height;
    int uniform_rows, uniform_cols;
    int uniform_64x64_possible, uniform_128x128_possible;
    int tile_size, rounding, i;

    if (ctx->tile_cols_log2 >= 0)
        ctx->tile_cols = 1 << ctx->tile_cols_log2;
    if (ctx->tile_rows_log2 >= 0)
        ctx->tile_rows = 1 << ctx->tile_rows_log2;

    if (ctx->tile_cols == 0) {
        ctx->tile_cols = (avctx->width + AV1_MAX_TILE_WIDTH - 1) /
            AV1_MAX_TILE_WIDTH;
        if (ctx->tile_cols > 1) {
            av_log(avctx, AV_LOG_DEBUG, "Automatically using %d tile "
                   "columns to fill width.\n", ctx->tile_cols);
        }
    }
    av_assert0(ctx->tile_cols > 0);
    if (ctx->tile_rows == 0) {
        int max_tile_width =
            FFALIGN((FFALIGN(avctx->width, 128) +
                     ctx->tile_cols - 1) / ctx->tile_cols, 128);
        ctx->tile_rows =
            (max_tile_width * FFALIGN(avctx->height, 128) +
             AV1_MAX_TILE_AREA - 1) / AV1_MAX_TILE_AREA;
        if (ctx->tile_rows > 1) {
            av_log(avctx, AV_LOG_DEBUG, "Automatically using %d tile "
                   "rows to fill area.\n", ctx->tile_rows);
        }
    }
    av_assert0(ctx->tile_rows > 0);

    if ((avctx->width  + 63) / 64 < ctx->tile_cols ||
        (avctx->height + 63) / 64 < ctx->tile_rows) {
        av_log(avctx, AV_LOG_ERROR, "Invalid tile sizing: frame not "
               "large enough to fit specified tile arrangement.\n");
        return AVERROR(EINVAL);
    }
    if (ctx->tile_cols > AV1_MAX_TILE_COLS ||
        ctx->tile_rows > AV1_MAX_TILE_ROWS) {
        av_log(avctx, AV_LOG_ERROR, "Invalid tile sizing: AV1 does "
               "not allow more than %dx%d tiles.\n",
               AV1_MAX_TILE_COLS, AV1_MAX_TILE_ROWS);
        return AVERROR(EINVAL);
    }
    if (avctx->width / ctx->tile_cols > AV1_MAX_TILE_WIDTH) {
        av_log(avctx, AV_LOG_ERROR, "Invalid tile sizing: AV1 does "
               "not allow tiles of width greater than %d.\n",
               AV1_MAX_TILE_WIDTH);
        return AVERROR(EINVAL);
    }

    ctx->superblock_size = AOM_SUPERBLOCK_SIZE_DYNAMIC;

    if (ctx->tile_cols == 1 && ctx->tile_rows == 1) {
        av_log(avctx, AV_LOG_DEBUG, "Using a single tile.\n");
        return 0;
    }

    sb_128x128_possible =
        (avctx->width  + 127) / 128 >= ctx->tile_cols &&
        (avctx->height + 127) / 128 >= ctx->tile_rows;

    ctx->tile_cols_log2 = ctx->tile_cols == 1 ? 0 :
        av_log2(ctx->tile_cols - 1) + 1;
    ctx->tile_rows_log2 = ctx->tile_rows == 1 ? 0 :
        av_log2(ctx->tile_rows - 1) + 1;

    uniform_cols = count_uniform_tiling(avctx->width,
                                        64, ctx->tile_cols_log2);
    uniform_rows = count_uniform_tiling(avctx->height,
                                        64, ctx->tile_rows_log2);
    av_log(avctx, AV_LOG_DEBUG, "Uniform with 64x64 superblocks "
           "-> %dx%d tiles.\n", uniform_cols, uniform_rows);
    uniform_64x64_possible = uniform_cols == ctx->tile_cols &&
                             uniform_rows == ctx->tile_rows;

    if (sb_128x128_possible) {
        uniform_cols = count_uniform_tiling(avctx->width,
                                            128, ctx->tile_cols_log2);
        uniform_rows = count_uniform_tiling(avctx->height,
                                            128, ctx->tile_rows_log2);
        av_log(avctx, AV_LOG_DEBUG, "Uniform with 128x128 superblocks "
               "-> %dx%d tiles.\n", uniform_cols, uniform_rows);
        uniform_128x128_possible = uniform_cols == ctx->tile_cols &&
                                   uniform_rows == ctx->tile_rows;
    } else {
        av_log(avctx, AV_LOG_DEBUG, "128x128 superblocks not possible.\n");
        uniform_128x128_possible = 0;
    }

    ctx->uniform_tiles = 1;
    if (uniform_64x64_possible && uniform_128x128_possible) {
        av_log(avctx, AV_LOG_DEBUG, "Using uniform tiling with dynamic "
               "superblocks (tile_cols_log2 = %d, tile_rows_log2 = %d).\n",
               ctx->tile_cols_log2, ctx->tile_rows_log2);
        return 0;
    }
    if (uniform_64x64_possible && !sb_128x128_possible) {
        av_log(avctx, AV_LOG_DEBUG, "Using uniform tiling with 64x64 "
               "superblocks (tile_cols_log2 = %d, tile_rows_log2 = %d).\n",
               ctx->tile_cols_log2, ctx->tile_rows_log2);
        ctx->superblock_size = AOM_SUPERBLOCK_SIZE_64X64;
        return 0;
    }
    if (uniform_128x128_possible) {
        av_log(avctx, AV_LOG_DEBUG, "Using uniform tiling with 128x128 "
               "superblocks (tile_cols_log2 = %d, tile_rows_log2 = %d).\n",
               ctx->tile_cols_log2, ctx->tile_rows_log2);
        ctx->superblock_size = AOM_SUPERBLOCK_SIZE_128X128;
        return 0;
    }
    ctx->uniform_tiles = 0;

    if (sb_128x128_possible) {
        sb_size = 128;
        ctx->superblock_size = AOM_SUPERBLOCK_SIZE_128X128;
    } else {
        sb_size = 64;
        ctx->superblock_size = AOM_SUPERBLOCK_SIZE_64X64;
    }
    av_log(avctx, AV_LOG_DEBUG, "Using fixed tiling with %dx%d "
           "superblocks (tile_cols = %d, tile_rows = %d).\n",
           sb_size, sb_size, ctx->tile_cols, ctx->tile_rows);

    enccfg->tile_width_count  = ctx->tile_cols;
    enccfg->tile_height_count = ctx->tile_rows;

    sb_width  = (avctx->width  + sb_size - 1) / sb_size;
    sb_height = (avctx->height + sb_size - 1) / sb_size;

    tile_size = sb_width / ctx->tile_cols;
    rounding  = sb_width % ctx->tile_cols;
    for (i = 0; i < ctx->tile_cols; i++) {
        enccfg->tile_widths[i] = tile_size +
            (i < rounding / 2 ||
             i > ctx->tile_cols - 1 - (rounding + 1) / 2);
    }

    tile_size = sb_height / ctx->tile_rows;
    rounding  = sb_height % ctx->tile_rows;
    for (i = 0; i < ctx->tile_rows; i++) {
        enccfg->tile_heights[i] = tile_size +
            (i < rounding / 2 ||
             i > ctx->tile_rows - 1 - (rounding + 1) / 2);
    }

    return 0;
}

static av_cold int aom_init(AVCodecContext *avctx,
                            const struct aom_codec_iface *iface)
{
    AOMContext *ctx = avctx->priv_data;
    const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(avctx->pix_fmt);
    struct aom_codec_enc_cfg enccfg = { 0 };
#ifdef AOM_FRAME_IS_INTRAONLY
    aom_codec_flags_t flags =
        (avctx->flags & AV_CODEC_FLAG_PSNR) ? AOM_CODEC_USE_PSNR : 0;
#else
    aom_codec_flags_t flags = 0;
#endif
    AVCPBProperties *cpb_props;
    int res;
    aom_img_fmt_t img_fmt;
    aom_codec_caps_t codec_caps = aom_codec_get_caps(iface);

    av_log(avctx, AV_LOG_INFO, "%s\n", aom_codec_version_str());
    av_log(avctx, AV_LOG_VERBOSE, "%s\n", aom_codec_build_config());

    if ((res = aom_codec_enc_config_default(iface, &enccfg, 0)) != AOM_CODEC_OK) {
        av_log(avctx, AV_LOG_ERROR, "Failed to get config: %s\n",
               aom_codec_err_to_string(res));
        return AVERROR(EINVAL);
    }

    if (set_pix_fmt(avctx, codec_caps, &enccfg, &flags, &img_fmt))
        return AVERROR(EINVAL);

    if(!avctx->bit_rate)
        if(avctx->rc_max_rate || avctx->rc_buffer_size || avctx->rc_initial_buffer_occupancy) {
            av_log( avctx, AV_LOG_ERROR, "Rate control parameters set without a bitrate\n");
            return AVERROR(EINVAL);
        }

    dump_enc_cfg(avctx, &enccfg);

    enccfg.g_w            = avctx->width;
    enccfg.g_h            = avctx->height;
    enccfg.g_timebase.num = avctx->time_base.num;
    enccfg.g_timebase.den = avctx->time_base.den;
    enccfg.g_threads      =
        FFMIN(avctx->thread_count ? avctx->thread_count : av_cpu_count(), 64);

    enccfg.g_usage        = ctx->usage;

    if (ctx->lag_in_frames >= 0)
        enccfg.g_lag_in_frames = ctx->lag_in_frames;

    if (avctx->flags & AV_CODEC_FLAG_PASS1)
        enccfg.g_pass = AOM_RC_FIRST_PASS;
    else if (avctx->flags & AV_CODEC_FLAG_PASS2)
        enccfg.g_pass = AOM_RC_LAST_PASS;
    else
        enccfg.g_pass = AOM_RC_ONE_PASS;

    if (avctx->rc_min_rate == avctx->rc_max_rate &&
        avctx->rc_min_rate == avctx->bit_rate && avctx->bit_rate) {
        enccfg.rc_end_usage = AOM_CBR;
    } else if (ctx->crf >= 0) {
        enccfg.rc_end_usage = AOM_CQ;
        if (!avctx->bit_rate)
            enccfg.rc_end_usage = AOM_Q;
    }

    if (avctx->bit_rate) {
        enccfg.rc_target_bitrate = av_rescale_rnd(avctx->bit_rate, 1, 1000,
                                                  AV_ROUND_NEAR_INF);
    } else if (enccfg.rc_end_usage != AOM_Q) {
        enccfg.rc_end_usage = AOM_Q;
        ctx->crf = 32;
        av_log(avctx, AV_LOG_WARNING,
               "Neither bitrate nor constrained quality specified, using default CRF of %d\n",
               ctx->crf);
    }

    if (avctx->qmin >= 0)
        enccfg.rc_min_quantizer = avctx->qmin;
    if (avctx->qmax >= 0)
        enccfg.rc_max_quantizer = avctx->qmax;

    if (enccfg.rc_end_usage == AOM_CQ || enccfg.rc_end_usage == AOM_Q) {
        if (ctx->crf < enccfg.rc_min_quantizer || ctx->crf > enccfg.rc_max_quantizer) {
            av_log(avctx, AV_LOG_ERROR,
                   "CQ level %d must be between minimum and maximum quantizer value (%d-%d)\n",
                   ctx->crf, enccfg.rc_min_quantizer, enccfg.rc_max_quantizer);
            return AVERROR(EINVAL);
        }
    }

    enccfg.rc_dropframe_thresh = ctx->drop_threshold;

    // 0-100 (0 => CBR, 100 => VBR)
    enccfg.rc_2pass_vbr_bias_pct       = round(avctx->qcompress * 100);
    if (ctx->minsection_pct >= 0)
        enccfg.rc_2pass_vbr_minsection_pct = ctx->minsection_pct;
    else if (avctx->bit_rate)
        enccfg.rc_2pass_vbr_minsection_pct =
            avctx->rc_min_rate * 100LL / avctx->bit_rate;
    if (ctx->maxsection_pct >= 0)
        enccfg.rc_2pass_vbr_maxsection_pct = ctx->maxsection_pct;
    else if (avctx->rc_max_rate)
        enccfg.rc_2pass_vbr_maxsection_pct =
            avctx->rc_max_rate * 100LL / avctx->bit_rate;

    if (avctx->rc_buffer_size)
        enccfg.rc_buf_sz =
            avctx->rc_buffer_size * 1000LL / avctx->bit_rate;
    if (avctx->rc_initial_buffer_occupancy)
        enccfg.rc_buf_initial_sz =
            avctx->rc_initial_buffer_occupancy * 1000LL / avctx->bit_rate;
    enccfg.rc_buf_optimal_sz = enccfg.rc_buf_sz * 5 / 6;

    if (ctx->rc_undershoot_pct >= 0)
        enccfg.rc_undershoot_pct = ctx->rc_undershoot_pct;
    if (ctx->rc_overshoot_pct >= 0)
        enccfg.rc_overshoot_pct = ctx->rc_overshoot_pct;

    // _enc_init() will balk if kf_min_dist differs from max w/AOM_KF_AUTO
    if (avctx->keyint_min >= 0 && avctx->keyint_min == avctx->gop_size)
        enccfg.kf_min_dist = avctx->keyint_min;
    if (avctx->gop_size >= 0)
        enccfg.kf_max_dist = avctx->gop_size;

    if (enccfg.g_pass == AOM_RC_FIRST_PASS)
        enccfg.g_lag_in_frames = 0;
    else if (enccfg.g_pass == AOM_RC_LAST_PASS) {
        int decode_size, ret;

        if (!avctx->stats_in) {
            av_log(avctx, AV_LOG_ERROR, "No stats file for second pass\n");
            return AVERROR_INVALIDDATA;
        }

        ctx->twopass_stats.sz = strlen(avctx->stats_in) * 3 / 4;
        ret                   = av_reallocp(&ctx->twopass_stats.buf, ctx->twopass_stats.sz);
        if (ret < 0) {
            av_log(avctx, AV_LOG_ERROR,
                   "Stat buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
                   ctx->twopass_stats.sz);
            ctx->twopass_stats.sz = 0;
            return ret;
        }
        decode_size = av_base64_decode(ctx->twopass_stats.buf, avctx->stats_in,
                                       ctx->twopass_stats.sz);
        if (decode_size < 0) {
            av_log(avctx, AV_LOG_ERROR, "Stat buffer decode failed\n");
            return AVERROR_INVALIDDATA;
        }

        ctx->twopass_stats.sz      = decode_size;
        enccfg.rc_twopass_stats_in = ctx->twopass_stats;
    }

    /* 0-3: For non-zero values the encoder increasingly optimizes for reduced
     * complexity playback on low powered devices at the expense of encode
     * quality. */
    if (avctx->profile != FF_PROFILE_UNKNOWN)
        enccfg.g_profile = avctx->profile;

    enccfg.g_error_resilient = ctx->error_resilient;

    res = choose_tiling(avctx, &enccfg);
    if (res < 0)
        return res;

    dump_enc_cfg(avctx, &enccfg);
    /* Construct Encoder Context */
    res = aom_codec_enc_init(&ctx->encoder, iface, &enccfg, flags);
    if (res != AOM_CODEC_OK) {
        log_encoder_error(avctx, "Failed to initialize encoder");
        return AVERROR(EINVAL);
    }

    // codec control failures are currently treated only as warnings
    av_log(avctx, AV_LOG_DEBUG, "aom_codec_control\n");
    codecctl_int(avctx, AOME_SET_CPUUSED, ctx->cpu_used);
    if (ctx->auto_alt_ref >= 0)
        codecctl_int(avctx, AOME_SET_ENABLEAUTOALTREF, ctx->auto_alt_ref);
    if (ctx->arnr_max_frames >= 0)
        codecctl_int(avctx, AOME_SET_ARNR_MAXFRAMES,   ctx->arnr_max_frames);
    if (ctx->arnr_strength >= 0)
        codecctl_int(avctx, AOME_SET_ARNR_STRENGTH,    ctx->arnr_strength);
    if (ctx->enable_cdef >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_CDEF, ctx->enable_cdef);
    if (ctx->enable_restoration >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_RESTORATION, ctx->enable_restoration);
#if AOM_ENCODER_ABI_VERSION >= 22
    if (ctx->enable_rect_partitions >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_RECT_PARTITIONS, ctx->enable_rect_partitions);
    if (ctx->enable_1to4_partitions >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_1TO4_PARTITIONS, ctx->enable_1to4_partitions);
    if (ctx->enable_ab_partitions >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_AB_PARTITIONS, ctx->enable_ab_partitions);
    if (ctx->enable_angle_delta >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_ANGLE_DELTA, ctx->enable_angle_delta);
    if (ctx->enable_cfl_intra >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_CFL_INTRA, ctx->enable_cfl_intra);
    if (ctx->enable_filter_intra >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_FILTER_INTRA, ctx->enable_filter_intra);
    if (ctx->enable_intra_edge_filter >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_INTRA_EDGE_FILTER, ctx->enable_intra_edge_filter);
    if (ctx->enable_paeth_intra >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_PAETH_INTRA, ctx->enable_paeth_intra);
    if (ctx->enable_smooth_intra >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_SMOOTH_INTRA, ctx->enable_smooth_intra);
    if (ctx->enable_palette >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_PALETTE, ctx->enable_palette);
    if (ctx->enable_tx64 >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_TX64, ctx->enable_tx64);
    if (ctx->enable_flip_idtx >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_FLIP_IDTX, ctx->enable_flip_idtx);
    if (ctx->use_intra_dct_only >= 0)
        codecctl_int(avctx, AV1E_SET_INTRA_DCT_ONLY, ctx->use_intra_dct_only);
    if (ctx->use_inter_dct_only >= 0)
        codecctl_int(avctx, AV1E_SET_INTER_DCT_ONLY, ctx->use_inter_dct_only);
    if (ctx->use_intra_default_tx_only >= 0)
        codecctl_int(avctx, AV1E_SET_INTRA_DEFAULT_TX_ONLY, ctx->use_intra_default_tx_only);
    if (ctx->reduced_tx_type_set >= 0)
        codecctl_int(avctx, AV1E_SET_REDUCED_TX_TYPE_SET, ctx->reduced_tx_type_set);
    if (ctx->enable_ref_frame_mvs >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_REF_FRAME_MVS, ctx->enable_ref_frame_mvs);
    if (ctx->enable_reduced_reference_set >= 0)
        codecctl_int(avctx, AV1E_SET_REDUCED_REFERENCE_SET, ctx->enable_reduced_reference_set);
    if (ctx->enable_diff_wtd_comp >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_DIFF_WTD_COMP, ctx->enable_diff_wtd_comp);
    if (ctx->enable_dist_wtd_comp >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_DIST_WTD_COMP, ctx->enable_dist_wtd_comp);
    if (ctx->enable_dual_filter >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_DUAL_FILTER, ctx->enable_dual_filter);
    if (ctx->enable_interinter_wedge >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_INTERINTER_WEDGE, ctx->enable_interinter_wedge);
    if (ctx->enable_masked_comp >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_MASKED_COMP, ctx->enable_masked_comp);
    if (ctx->enable_interintra_comp >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_INTERINTRA_COMP, ctx->enable_interintra_comp);
    if (ctx->enable_interintra_wedge >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_INTERINTRA_WEDGE, ctx->enable_interintra_wedge);
    if (ctx->enable_obmc >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_OBMC, ctx->enable_obmc);
    if (ctx->enable_onesided_comp >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_ONESIDED_COMP, ctx->enable_onesided_comp);
    if (ctx->enable_smooth_interintra >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_SMOOTH_INTERINTRA, ctx->enable_smooth_interintra);
#endif

    codecctl_int(avctx, AOME_SET_STATIC_THRESHOLD, ctx->static_thresh);
    if (ctx->crf >= 0)
        codecctl_int(avctx, AOME_SET_CQ_LEVEL,          ctx->crf);
    if (ctx->tune >= 0)
        codecctl_int(avctx, AOME_SET_TUNING, ctx->tune);

    if (desc->flags & AV_PIX_FMT_FLAG_RGB) {
        codecctl_int(avctx, AV1E_SET_COLOR_PRIMARIES, AVCOL_PRI_BT709);
        codecctl_int(avctx, AV1E_SET_MATRIX_COEFFICIENTS, AVCOL_SPC_RGB);
        codecctl_int(avctx, AV1E_SET_TRANSFER_CHARACTERISTICS, AVCOL_TRC_IEC61966_2_1);
    } else {
        codecctl_int(avctx, AV1E_SET_COLOR_PRIMARIES, avctx->color_primaries);
        codecctl_int(avctx, AV1E_SET_MATRIX_COEFFICIENTS, avctx->colorspace);
        codecctl_int(avctx, AV1E_SET_TRANSFER_CHARACTERISTICS, avctx->color_trc);
    }
    if (ctx->aq_mode >= 0)
        codecctl_int(avctx, AV1E_SET_AQ_MODE, ctx->aq_mode);
    if (ctx->frame_parallel >= 0)
        codecctl_int(avctx, AV1E_SET_FRAME_PARALLEL_DECODING, ctx->frame_parallel);
    set_color_range(avctx);

    codecctl_int(avctx, AV1E_SET_SUPERBLOCK_SIZE, ctx->superblock_size);
    if (ctx->uniform_tiles) {
        codecctl_int(avctx, AV1E_SET_TILE_COLUMNS, ctx->tile_cols_log2);
        codecctl_int(avctx, AV1E_SET_TILE_ROWS,    ctx->tile_rows_log2);
    }

#ifdef AOM_CTRL_AV1E_SET_DENOISE_NOISE_LEVEL
    if (ctx->denoise_noise_level >= 0)
        codecctl_int(avctx, AV1E_SET_DENOISE_NOISE_LEVEL, ctx->denoise_noise_level);
#endif
#ifdef AOM_CTRL_AV1E_SET_DENOISE_BLOCK_SIZE
    if (ctx->denoise_block_size >= 0)
        codecctl_int(avctx, AV1E_SET_DENOISE_BLOCK_SIZE, ctx->denoise_block_size);
#endif
#ifdef AOM_CTRL_AV1E_SET_ENABLE_GLOBAL_MOTION
    if (ctx->enable_global_motion >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_GLOBAL_MOTION, ctx->enable_global_motion);
#endif
#ifdef AOM_CTRL_AV1E_SET_MAX_REFERENCE_FRAMES
    if (avctx->refs >= 3) {
        codecctl_int(avctx, AV1E_SET_MAX_REFERENCE_FRAMES, avctx->refs);
    }
#endif
#ifdef AOM_CTRL_AV1E_SET_ROW_MT
    if (ctx->row_mt >= 0)
        codecctl_int(avctx, AV1E_SET_ROW_MT, ctx->row_mt);
#endif
#ifdef AOM_CTRL_AV1E_SET_ENABLE_INTRABC
    if (ctx->enable_intrabc >= 0)
        codecctl_int(avctx, AV1E_SET_ENABLE_INTRABC, ctx->enable_intrabc);
#endif

#if AOM_ENCODER_ABI_VERSION >= 23
    {
        AVDictionaryEntry *en = NULL;

        while ((en = av_dict_get(ctx->aom_params, "", en, AV_DICT_IGNORE_SUFFIX))) {
            int ret = aom_codec_set_option(&ctx->encoder, en->key, en->value);
            if (ret != AOM_CODEC_OK) {
                log_encoder_error(avctx, en->key);
                return AVERROR_EXTERNAL;
            }
        }
    }
#endif

    // provide dummy value to initialize wrapper, values will be updated each _encode()
    aom_img_wrap(&ctx->rawimg, img_fmt, avctx->width, avctx->height, 1,
                 (unsigned char*)1);

    if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH)
        ctx->rawimg.bit_depth = enccfg.g_bit_depth;

    cpb_props = ff_add_cpb_side_data(avctx);
    if (!cpb_props)
        return AVERROR(ENOMEM);

    if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
        const AVBitStreamFilter *filter = av_bsf_get_by_name("extract_extradata");
        int ret;

        if (!filter) {
            av_log(avctx, AV_LOG_ERROR, "extract_extradata bitstream filter "
                   "not found. This is a bug, please report it.\n");
            return AVERROR_BUG;
        }
        ret = av_bsf_alloc(filter, &ctx->bsf);
        if (ret < 0)
            return ret;

        ret = avcodec_parameters_from_context(ctx->bsf->par_in, avctx);
        if (ret < 0)
           return ret;

        ret = av_bsf_init(ctx->bsf);
        if (ret < 0)
           return ret;
    }

    if (enccfg.rc_end_usage == AOM_CBR ||
        enccfg.g_pass != AOM_RC_ONE_PASS) {
        cpb_props->max_bitrate = avctx->rc_max_rate;
        cpb_props->min_bitrate = avctx->rc_min_rate;
        cpb_props->avg_bitrate = avctx->bit_rate;
    }
    cpb_props->buffer_size = avctx->rc_buffer_size;

    return 0;
}

static inline void cx_pktcpy(AOMContext *ctx,
                             struct FrameListData *dst,
                             const struct aom_codec_cx_pkt *src)
{
    dst->pts      = src->data.frame.pts;
    dst->duration = src->data.frame.duration;
    dst->flags    = src->data.frame.flags;
    dst->sz       = src->data.frame.sz;
    dst->buf      = src->data.frame.buf;
#ifdef AOM_FRAME_IS_INTRAONLY
    dst->have_sse = 0;
    dst->frame_number = ++ctx->frame_number;
    dst->have_sse = ctx->have_sse;
    if (ctx->have_sse) {
        /* associate last-seen SSE to the frame. */
        /* Transfers ownership from ctx to dst. */
        memcpy(dst->sse, ctx->sse, sizeof(dst->sse));
        ctx->have_sse = 0;
    }
#endif
}

/**
 * Store coded frame information in format suitable for return from encode2().
 *
 * Write information from @a cx_frame to @a pkt
 * @return packet data size on success
 * @return a negative AVERROR on error
 */
static int storeframe(AVCodecContext *avctx, struct FrameListData *cx_frame,
                      AVPacket *pkt)
{
    AOMContext *ctx = avctx->priv_data;
    int av_unused pict_type;
    int ret = ff_alloc_packet2(avctx, pkt, cx_frame->sz, 0);
    if (ret < 0) {
        av_log(avctx, AV_LOG_ERROR,
               "Error getting output packet of size %"SIZE_SPECIFIER".\n", cx_frame->sz);
        return ret;
    }
    memcpy(pkt->data, cx_frame->buf, pkt->size);
    pkt->pts = pkt->dts = cx_frame->pts;

    if (!!(cx_frame->flags & AOM_FRAME_IS_KEY)) {
        pkt->flags |= AV_PKT_FLAG_KEY;
#ifdef AOM_FRAME_IS_INTRAONLY
        pict_type = AV_PICTURE_TYPE_I;
    } else if (cx_frame->flags & AOM_FRAME_IS_INTRAONLY) {
        pict_type = AV_PICTURE_TYPE_I;
    } else {
        pict_type = AV_PICTURE_TYPE_P;
    }

    ff_side_data_set_encoder_stats(pkt, 0, cx_frame->sse + 1,
                                   cx_frame->have_sse ? 3 : 0, pict_type);

    if (cx_frame->have_sse) {
        int i;
        for (i = 0; i < 3; ++i) {
            avctx->error[i] += cx_frame->sse[i + 1];
        }
        cx_frame->have_sse = 0;
#endif
    }

    if (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) {
        ret = av_bsf_send_packet(ctx->bsf, pkt);
        if (ret < 0) {
            av_log(avctx, AV_LOG_ERROR, "extract_extradata filter "
                   "failed to send input packet\n");
            return ret;
        }
        ret = av_bsf_receive_packet(ctx->bsf, pkt);

        if (ret < 0) {
            av_log(avctx, AV_LOG_ERROR, "extract_extradata filter "
                   "failed to receive output packet\n");
            return ret;
        }
    }
    return pkt->size;
}

/**
 * Queue multiple output frames from the encoder, returning the front-most.
 * In cases where aom_codec_get_cx_data() returns more than 1 frame append
 * the frame queue. Return the head frame if available.
 * @return Stored frame size
 * @return AVERROR(EINVAL) on output size error
 * @return AVERROR(ENOMEM) on coded frame queue data allocation error
 */
static int queue_frames(AVCodecContext *avctx, AVPacket *pkt_out)
{
    AOMContext *ctx = avctx->priv_data;
    const struct aom_codec_cx_pkt *pkt;
    const void *iter = NULL;
    int size = 0;

    if (ctx->coded_frame_list) {
        struct FrameListData *cx_frame = ctx->coded_frame_list;
        /* return the leading frame if we've already begun queueing */
        size = storeframe(avctx, cx_frame, pkt_out);
        if (size < 0)
            return size;
        ctx->coded_frame_list = cx_frame->next;
        free_coded_frame(cx_frame);
    }

    /* consume all available output from the encoder before returning. buffers
     * are only good through the next aom_codec call */
    while ((pkt = aom_codec_get_cx_data(&ctx->encoder, &iter))) {
        switch (pkt->kind) {
        case AOM_CODEC_CX_FRAME_PKT:
            if (!size) {
                struct FrameListData cx_frame;

                /* avoid storing the frame when the list is empty and we haven't yet
                 * provided a frame for output */
                av_assert0(!ctx->coded_frame_list);
                cx_pktcpy(ctx, &cx_frame, pkt);
                size = storeframe(avctx, &cx_frame, pkt_out);
                if (size < 0)
                    return size;
            } else {
                struct FrameListData *cx_frame =
                    av_malloc(sizeof(struct FrameListData));

                if (!cx_frame) {
                    av_log(avctx, AV_LOG_ERROR,
                           "Frame queue element alloc failed\n");
                    return AVERROR(ENOMEM);
                }
                cx_pktcpy(ctx, cx_frame, pkt);
                cx_frame->buf = av_malloc(cx_frame->sz);

                if (!cx_frame->buf) {
                    av_log(avctx, AV_LOG_ERROR,
                           "Data buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
                           cx_frame->sz);
                    av_freep(&cx_frame);
                    return AVERROR(ENOMEM);
                }
                memcpy(cx_frame->buf, pkt->data.frame.buf, pkt->data.frame.sz);
                coded_frame_add(&ctx->coded_frame_list, cx_frame);
            }
            break;
        case AOM_CODEC_STATS_PKT:
        {
            struct aom_fixed_buf *stats = &ctx->twopass_stats;
            int err;
            if ((err = av_reallocp(&stats->buf,
                                   stats->sz +
                                   pkt->data.twopass_stats.sz)) < 0) {
                stats->sz = 0;
                av_log(avctx, AV_LOG_ERROR, "Stat buffer realloc failed\n");
                return err;
            }
            memcpy((uint8_t *)stats->buf + stats->sz,
                   pkt->data.twopass_stats.buf, pkt->data.twopass_stats.sz);
            stats->sz += pkt->data.twopass_stats.sz;
            break;
        }
#ifdef AOM_FRAME_IS_INTRAONLY
        case AOM_CODEC_PSNR_PKT:
        {
            av_assert0(!ctx->have_sse);
            ctx->sse[0] = pkt->data.psnr.sse[0];
            ctx->sse[1] = pkt->data.psnr.sse[1];
            ctx->sse[2] = pkt->data.psnr.sse[2];
            ctx->sse[3] = pkt->data.psnr.sse[3];
            ctx->have_sse = 1;
            break;
        }
#endif
        case AOM_CODEC_CUSTOM_PKT:
            // ignore unsupported/unrecognized packet types
            break;
        }
    }

    return size;
}

static int aom_encode(AVCodecContext *avctx, AVPacket *pkt,
                      const AVFrame *frame, int *got_packet)
{
    AOMContext *ctx = avctx->priv_data;
    struct aom_image *rawimg = NULL;
    int64_t timestamp = 0;
    int res, coded_size;
    aom_enc_frame_flags_t flags = 0;

    if (frame) {
        rawimg                      = &ctx->rawimg;
        rawimg->planes[AOM_PLANE_Y] = frame->data[0];
        rawimg->planes[AOM_PLANE_U] = frame->data[1];
        rawimg->planes[AOM_PLANE_V] = frame->data[2];
        rawimg->stride[AOM_PLANE_Y] = frame->linesize[0];
        rawimg->stride[AOM_PLANE_U] = frame->linesize[1];
        rawimg->stride[AOM_PLANE_V] = frame->linesize[2];
        timestamp                   = frame->pts;
        switch (frame->color_range) {
        case AVCOL_RANGE_MPEG:
            rawimg->range = AOM_CR_STUDIO_RANGE;
            break;
        case AVCOL_RANGE_JPEG:
            rawimg->range = AOM_CR_FULL_RANGE;
            break;
        }

        if (frame->pict_type == AV_PICTURE_TYPE_I)
            flags |= AOM_EFLAG_FORCE_KF;
    }

    res = aom_codec_encode(&ctx->encoder, rawimg, timestamp,
                           avctx->ticks_per_frame, flags);
    if (res != AOM_CODEC_OK) {
        log_encoder_error(avctx, "Error encoding frame");
        return AVERROR_INVALIDDATA;
    }
    coded_size = queue_frames(avctx, pkt);

    if (!frame && avctx->flags & AV_CODEC_FLAG_PASS1) {
        size_t b64_size = AV_BASE64_SIZE(ctx->twopass_stats.sz);

        avctx->stats_out = av_malloc(b64_size);
        if (!avctx->stats_out) {
            av_log(avctx, AV_LOG_ERROR, "Stat buffer alloc (%"SIZE_SPECIFIER" bytes) failed\n",
                   b64_size);
            return AVERROR(ENOMEM);
        }
        av_base64_encode(avctx->stats_out, b64_size, ctx->twopass_stats.buf,
                         ctx->twopass_stats.sz);
    }

    *got_packet = !!coded_size;
    return 0;
}

static const enum AVPixelFormat av1_pix_fmts[] = {
    AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_YUV422P,
    AV_PIX_FMT_YUV444P,
    AV_PIX_FMT_GBRP,
    AV_PIX_FMT_NONE
};

static const enum AVPixelFormat av1_pix_fmts_with_gray[] = {
    AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_YUV422P,
    AV_PIX_FMT_YUV444P,
    AV_PIX_FMT_GBRP,
    AV_PIX_FMT_GRAY8,
    AV_PIX_FMT_NONE
};

static const enum AVPixelFormat av1_pix_fmts_highbd[] = {
    AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_YUV422P,
    AV_PIX_FMT_YUV444P,
    AV_PIX_FMT_GBRP,
    AV_PIX_FMT_YUV420P10,
    AV_PIX_FMT_YUV422P10,
    AV_PIX_FMT_YUV444P10,
    AV_PIX_FMT_YUV420P12,
    AV_PIX_FMT_YUV422P12,
    AV_PIX_FMT_YUV444P12,
    AV_PIX_FMT_GBRP10,
    AV_PIX_FMT_GBRP12,
    AV_PIX_FMT_NONE
};

static const enum AVPixelFormat av1_pix_fmts_highbd_with_gray[] = {
    AV_PIX_FMT_YUV420P,
    AV_PIX_FMT_YUV422P,
    AV_PIX_FMT_YUV444P,
    AV_PIX_FMT_GBRP,
    AV_PIX_FMT_YUV420P10,
    AV_PIX_FMT_YUV422P10,
    AV_PIX_FMT_YUV444P10,
    AV_PIX_FMT_YUV420P12,
    AV_PIX_FMT_YUV422P12,
    AV_PIX_FMT_YUV444P12,
    AV_PIX_FMT_GBRP10,
    AV_PIX_FMT_GBRP12,
    AV_PIX_FMT_GRAY8,
    AV_PIX_FMT_GRAY10,
    AV_PIX_FMT_GRAY12,
    AV_PIX_FMT_NONE
};

static av_cold void av1_init_static(AVCodec *codec)
{
    int supports_monochrome = aom_codec_version() >= 20001;
    aom_codec_caps_t codec_caps = aom_codec_get_caps(aom_codec_av1_cx());
    if (codec_caps & AOM_CODEC_CAP_HIGHBITDEPTH)
        codec->pix_fmts = supports_monochrome ? av1_pix_fmts_highbd_with_gray :
                                                av1_pix_fmts_highbd;
    else
        codec->pix_fmts = supports_monochrome ? av1_pix_fmts_with_gray :
                                                av1_pix_fmts;

    if (aom_codec_version_major() < 2)
        codec->capabilities |= AV_CODEC_CAP_EXPERIMENTAL;
}

static av_cold int av1_init(AVCodecContext *avctx)
{
    return aom_init(avctx, aom_codec_av1_cx());
}

#define OFFSET(x) offsetof(AOMContext, x)
#define VE AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM
static const AVOption options[] = {
    { "cpu-used",        "Quality/Speed ratio modifier",           OFFSET(cpu_used),        AV_OPT_TYPE_INT, {.i64 = 1}, 0, 8, VE},
    { "auto-alt-ref",    "Enable use of alternate reference "
                         "frames (2-pass only)",                   OFFSET(auto_alt_ref),    AV_OPT_TYPE_INT, {.i64 = -1},      -1,      2,       VE},
    { "lag-in-frames",   "Number of frames to look ahead at for "
                         "alternate reference frame selection",    OFFSET(lag_in_frames),   AV_OPT_TYPE_INT, {.i64 = -1},      -1,      INT_MAX, VE},
    { "arnr-max-frames", "altref noise reduction max frame count", OFFSET(arnr_max_frames), AV_OPT_TYPE_INT, {.i64 = -1},      -1,      INT_MAX, VE},
    { "arnr-strength",   "altref noise reduction filter strength", OFFSET(arnr_strength),   AV_OPT_TYPE_INT, {.i64 = -1},      -1,      6,       VE},
    { "aq-mode",         "adaptive quantization mode",             OFFSET(aq_mode),         AV_OPT_TYPE_INT, {.i64 = -1},      -1,      4, VE, "aq_mode"},
    { "none",            "Aq not used",         0, AV_OPT_TYPE_CONST, {.i64 = 0}, 0, 0, VE, "aq_mode"},
    { "variance",        "Variance based Aq",   0, AV_OPT_TYPE_CONST, {.i64 = 1}, 0, 0, VE, "aq_mode"},
    { "complexity",      "Complexity based Aq", 0, AV_OPT_TYPE_CONST, {.i64 = 2}, 0, 0, VE, "aq_mode"},
    { "cyclic",          "Cyclic Refresh Aq",   0, AV_OPT_TYPE_CONST, {.i64 = 3}, 0, 0, VE, "aq_mode"},
    { "error-resilience", "Error resilience configuration", OFFSET(error_resilient), AV_OPT_TYPE_FLAGS, {.i64 = 0}, INT_MIN, INT_MAX, VE, "er"},
    { "default",         "Improve resiliency against losses of whole frames", 0, AV_OPT_TYPE_CONST, {.i64 = AOM_ERROR_RESILIENT_DEFAULT}, 0, 0, VE, "er"},
    { "crf",              "Select the quality for constant quality mode", offsetof(AOMContext, crf), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 63, VE },
    { "static-thresh",    "A change threshold on blocks below which they will be skipped by the encoder", OFFSET(static_thresh), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, INT_MAX, VE },
    { "drop-threshold",   "Frame drop threshold", offsetof(AOMContext, drop_threshold), AV_OPT_TYPE_INT, {.i64 = 0 }, INT_MIN, INT_MAX, VE },
    { "denoise-noise-level", "Amount of noise to be removed", OFFSET(denoise_noise_level), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
    { "denoise-block-size", "Denoise block size ", OFFSET(denoise_block_size), AV_OPT_TYPE_INT, {.i64 = -1}, -1, INT_MAX, VE},
    { "undershoot-pct",   "Datarate undershoot (min) target (%)", OFFSET(rc_undershoot_pct), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 100, VE},
    { "overshoot-pct",    "Datarate overshoot (max) target (%)", OFFSET(rc_overshoot_pct), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 1000, VE},
    { "minsection-pct",   "GOP min bitrate (% of target)", OFFSET(minsection_pct), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 100, VE},
    { "maxsection-pct",   "GOP max bitrate (% of target)", OFFSET(maxsection_pct), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 5000, VE},
    { "frame-parallel",   "Enable frame parallel decodability features", OFFSET(frame_parallel),  AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "tiles",            "Tile columns x rows", OFFSET(tile_cols), AV_OPT_TYPE_IMAGE_SIZE, { .str = NULL }, 0, 0, VE },
    { "tile-columns",     "Log2 of number of tile columns to use", OFFSET(tile_cols_log2), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},
    { "tile-rows",        "Log2 of number of tile rows to use",    OFFSET(tile_rows_log2), AV_OPT_TYPE_INT, {.i64 = -1}, -1, 6, VE},
    { "row-mt",           "Enable row based multi-threading",      OFFSET(row_mt),         AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-cdef",      "Enable CDEF filtering",                 OFFSET(enable_cdef),    AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-global-motion",  "Enable global motion",             OFFSET(enable_global_motion), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-intrabc",  "Enable intra block copy prediction mode", OFFSET(enable_intrabc), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-restoration", "Enable Loop Restoration filtering", OFFSET(enable_restoration), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "usage",           "Quality and compression efficiency vs speed trade-off", OFFSET(usage), AV_OPT_TYPE_INT, {.i64 = 0}, 0, INT_MAX, VE, "usage"},
    { "good",            "Good quality",      0, AV_OPT_TYPE_CONST, {.i64 = 0 /* AOM_USAGE_GOOD_QUALITY */}, 0, 0, VE, "usage"},
    { "realtime",        "Realtime encoding", 0, AV_OPT_TYPE_CONST, {.i64 = 1 /* AOM_USAGE_REALTIME */},     0, 0, VE, "usage"},
    { "tune",            "The metric that the encoder tunes for. Automatically chosen by the encoder by default", OFFSET(tune), AV_OPT_TYPE_INT, {.i64 = -1}, -1, AOM_TUNE_SSIM, VE, "tune"},
    { "psnr",            NULL,         0, AV_OPT_TYPE_CONST, {.i64 = AOM_TUNE_PSNR}, 0, 0, VE, "tune"},
    { "ssim",            NULL,         0, AV_OPT_TYPE_CONST, {.i64 = AOM_TUNE_SSIM}, 0, 0, VE, "tune"},
    FF_AV1_PROFILE_OPTS
    { "enable-rect-partitions", "Enable rectangular partitions", OFFSET(enable_rect_partitions), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-1to4-partitions", "Enable 1:4/4:1 partitions",     OFFSET(enable_1to4_partitions), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-ab-partitions",   "Enable ab shape partitions",    OFFSET(enable_ab_partitions),   AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-angle-delta",       "Enable angle delta intra prediction",                OFFSET(enable_angle_delta),       AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-cfl-intra",         "Enable chroma predicted from luma intra prediction", OFFSET(enable_cfl_intra),         AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-filter-intra",      "Enable filter intra predictor",                      OFFSET(enable_filter_intra),      AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-intra-edge-filter", "Enable intra edge filter",                           OFFSET(enable_intra_edge_filter), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-smooth-intra",      "Enable smooth intra prediction mode",                OFFSET(enable_smooth_intra),      AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-paeth-intra",       "Enable paeth predictor in intra prediction",         OFFSET(enable_paeth_intra),       AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-palette",           "Enable palette prediction mode",                     OFFSET(enable_palette),           AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-flip-idtx",          "Enable extended transform type",             OFFSET(enable_flip_idtx),          AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-tx64",               "Enable 64-pt transform",                     OFFSET(enable_tx64),               AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "reduced-tx-type-set",       "Use reduced set of transform types",         OFFSET(reduced_tx_type_set),       AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "use-intra-dct-only",        "Use DCT only for INTRA modes",               OFFSET(use_intra_dct_only),        AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "use-inter-dct-only",        "Use DCT only for INTER modes",               OFFSET(use_inter_dct_only),        AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "use-intra-default-tx-only", "Use default-transform only for INTRA modes", OFFSET(use_intra_default_tx_only), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-ref-frame-mvs",         "Enable temporal mv prediction",                     OFFSET(enable_ref_frame_mvs),         AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-reduced-reference-set", "Use reduced set of single and compound references", OFFSET(enable_reduced_reference_set), AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-obmc",                  "Enable obmc",                                       OFFSET(enable_obmc),                  AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-dual-filter",           "Enable dual filter",                                OFFSET(enable_dual_filter),           AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-diff-wtd-comp",         "Enable difference-weighted compound",               OFFSET(enable_diff_wtd_comp),         AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-dist-wtd-comp",         "Enable distance-weighted compound",                 OFFSET(enable_dist_wtd_comp),         AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-onesided-comp",         "Enable one sided compound",                         OFFSET(enable_onesided_comp),         AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-interinter-wedge",      "Enable interinter wedge compound",                  OFFSET(enable_interinter_wedge),      AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-interintra-wedge",      "Enable interintra wedge compound",                  OFFSET(enable_interintra_wedge),      AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-masked-comp",           "Enable masked compound",                            OFFSET(enable_masked_comp),           AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-interintra-comp",       "Enable interintra compound",                        OFFSET(enable_interintra_comp),       AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
    { "enable-smooth-interintra",     "Enable smooth interintra mode",                     OFFSET(enable_smooth_interintra),     AV_OPT_TYPE_BOOL, {.i64 = -1}, -1, 1, VE},
#if AOM_ENCODER_ABI_VERSION >= 23
    { "aom-params",                   "Set libaom options using a :-separated list of key=value pairs", OFFSET(aom_params), AV_OPT_TYPE_DICT, { 0 }, 0, 0, VE },
#endif
    { NULL },
};

static const AVCodecDefault defaults[] = {
    { "b",                 "0" },
    { "qmin",             "-1" },
    { "qmax",             "-1" },
    { "g",                "-1" },
    { "keyint_min",       "-1" },
    { NULL },
};

static const AVClass class_aom = {
    .class_name = "libaom-av1 encoder",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
};

AVCodec ff_libaom_av1_encoder = {
    .name           = "libaom-av1",
    .long_name      = NULL_IF_CONFIG_SMALL("libaom AV1"),
    .type           = AVMEDIA_TYPE_VIDEO,
    .id             = AV_CODEC_ID_AV1,
    .priv_data_size = sizeof(AOMContext),
    .init           = av1_init,
    .encode2        = aom_encode,
    .close          = aom_free,
    .capabilities   = AV_CODEC_CAP_DELAY | AV_CODEC_CAP_OTHER_THREADS,
    .caps_internal  = FF_CODEC_CAP_AUTO_THREADS,
    .profiles       = NULL_IF_CONFIG_SMALL(ff_av1_profiles),
    .priv_class     = &class_aom,
    .defaults       = defaults,
    .init_static_data = av1_init_static,
    .wrapper_name   = "libaom",
};