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
|
.TH VPXENC "1" "August 2016"
.SH NAME
vpxenc \- VP8 and VP9 video codec encoding tool
.SH SYNOPSIS
.B vpxenc
\fI\,<options> -o dst_filename src_filename\/\fR
.SH OPTIONS
.TP
\fB\-D\fR, \fB\-\-debug\fR
Debug mode (makes output deterministic)
.TP
\fB\-o\fR <arg>, \fB\-\-output=\fR<arg>
Output filename
.TP
\fB\-\-codec=\fR<arg>
Codec to use
.TP
\fB\-p\fR <arg>, \fB\-\-passes=\fR<arg>
Number of passes (1/2)
.TP
\fB\-\-pass=\fR<arg>
Pass to execute (1/2)
.TP
\fB\-\-fpf=\fR<arg>
First pass statistics file name
.TP
\fB\-\-limit=\fR<arg>
Stop encoding after n input frames
.TP
\fB\-\-skip=\fR<arg>
Skip the first n input frames
.TP
\fB\-d\fR <arg>, \fB\-\-deadline=\fR<arg>
Deadline per frame (usec)
.TP
\fB\-\-best\fR
Use Best Quality Deadline
.TP
\fB\-\-good\fR
Use Good Quality Deadline
.TP
\fB\-\-rt\fR
Use Realtime Quality Deadline
.TP
\fB\-q\fR, \fB\-\-quiet\fR
Do not print encode progress
.TP
\fB\-v\fR, \fB\-\-verbose\fR
Show encoder parameters
.TP
\fB\-\-psnr\fR
Show PSNR in status line
.TP
\fB\-\-webm\fR
Output WebM (default when WebM IO is enabled)
.TP
\fB\-\-ivf\fR
Output IVF
.TP
\fB\-P\fR, \fB\-\-output\-partitions\fR
Makes encoder output partitions. Requires IVF output!
.TP
\fB\-\-q\-hist=\fR<arg>
Show quantizer histogram (n\-buckets)
.TP
\fB\-\-rate\-hist=\fR<arg>
Show rate histogram (n\-buckets)
.TP
\fB\-\-disable\-warnings\fR
Disable warnings about potentially incorrect encode settings.
.TP
\fB\-y\fR, \fB\-\-disable\-warning\-prompt\fR
Display warnings, but do not prompt user to continue.
.TP
\fB\-\-test\-decode=\fR<arg>
Test encode/decode mismatch
.IP
off, fatal, warn
.SS "Encoder Global Options:"
.TP
\fB\-\-yv12\fR
Input file is YV12
.TP
\fB\-\-i420\fR
Input file is I420 (default)
.TP
\fB\-\-i422\fR
Input file is I422
.TP
\fB\-\-i444\fR
Input file is I444
.TP
\fB\-\-i440\fR
Input file is I440
.TP
\fB\-u\fR <arg>, \fB\-\-usage=\fR<arg>
Usage profile number to use
.TP
\fB\-t\fR <arg>, \fB\-\-threads=\fR<arg>
Max number of threads to use
.TP
\fB\-\-profile=\fR<arg>
Bitstream profile number to use
.TP
\fB\-w\fR <arg>, \fB\-\-width=\fR<arg>
Frame width
.TP
\fB\-h\fR <arg>, \fB\-\-height=\fR<arg>
Frame height
.TP
\fB\-\-stereo\-mode=\fR<arg>
Stereo 3D video format
.IP
mono, left\-right, bottom\-top, top\-bottom, right\-left
.TP
\fB\-\-timebase=\fR<arg>
Output timestamp precision (fractional seconds)
.TP
\fB\-\-fps=\fR<arg>
Stream frame rate (rate/scale)
.TP
\fB\-\-error\-resilient=\fR<arg>
Enable error resiliency features
.TP
\fB\-\-lag\-in\-frames=\fR<arg>
Max number of frames to lag
.SS "Rate Control Options:"
.TP
\fB\-\-drop\-frame=\fR<arg>
Temporal resampling threshold (buf %)
.TP
\fB\-\-resize\-allowed=\fR<arg>
Spatial resampling enabled (bool)
.TP
\fB\-\-resize\-width=\fR<arg>
Width of encoded frame
.TP
\fB\-\-resize\-height=\fR<arg>
Height of encoded frame
.TP
\fB\-\-resize\-up=\fR<arg>
Upscale threshold (buf %)
.TP
\fB\-\-resize\-down=\fR<arg>
Downscale threshold (buf %)
.TP
\fB\-\-end\-usage=\fR<arg>
Rate control mode
.IP
vbr, cbr, cq, q
.TP
\fB\-\-target\-bitrate=\fR<arg>
Bitrate (kbps)
.TP
\fB\-\-min\-q=\fR<arg>
Minimum (best) quantizer
.TP
\fB\-\-max\-q=\fR<arg>
Maximum (worst) quantizer
.TP
\fB\-\-undershoot\-pct=\fR<arg>
Datarate undershoot (min) target (%)
.TP
\fB\-\-overshoot\-pct=\fR<arg>
Datarate overshoot (max) target (%)
.TP
\fB\-\-buf\-sz=\fR<arg>
Client buffer size (ms)
.TP
\fB\-\-buf\-initial\-sz=\fR<arg>
Client initial buffer size (ms)
.TP
\fB\-\-buf\-optimal\-sz=\fR<arg>
Client optimal buffer size (ms)
.SS "Twopass Rate Control Options:"
.TP
\fB\-\-bias\-pct=\fR<arg>
CBR/VBR bias (0=CBR, 100=VBR)
.TP
\fB\-\-minsection\-pct=\fR<arg>
GOP min bitrate (% of target)
.TP
\fB\-\-maxsection\-pct=\fR<arg>
GOP max bitrate (% of target)
.SS "Keyframe Placement Options:"
.TP
\fB\-\-kf\-min\-dist=\fR<arg>
Minimum keyframe interval (frames)
.TP
\fB\-\-kf\-max\-dist=\fR<arg>
Maximum keyframe interval (frames)
.TP
\fB\-\-disable\-kf\fR
Disable keyframe placement
.SS "VP8 Specific Options:"
.TP
\fB\-\-cpu\-used=\fR<arg>
CPU Used (\fB\-16\fR..16)
.TP
\fB\-\-auto\-alt\-ref=\fR<arg>
Enable automatic alt reference frames
.TP
\fB\-\-noise\-sensitivity=\fR<arg>
Noise sensitivity (frames to blur)
.TP
\fB\-\-sharpness=\fR<arg>
Loop filter sharpness (0..7)
.TP
\fB\-\-static\-thresh=\fR<arg>
Motion detection threshold
.TP
\fB\-\-token\-parts=\fR<arg>
Number of token partitions to use, log2
.TP
\fB\-\-arnr\-maxframes=\fR<arg>
AltRef max frames (0..15)
.TP
\fB\-\-arnr\-strength=\fR<arg>
AltRef filter strength (0..6)
.TP
\fB\-\-arnr\-type=\fR<arg>
AltRef type
.TP
\fB\-\-tune=\fR<arg>
Material to favor
.IP
psnr, ssim
.TP
\fB\-\-cq\-level=\fR<arg>
Constant/Constrained Quality level
.TP
\fB\-\-max\-intra\-rate=\fR<arg>
Max I\-frame bitrate (pct)
.TP
\fB\-\-screen\-content\-mode=\fR<arg
Screen content mode
.SS "VP9 Specific Options:"
.TP
\fB\-\-cpu\-used=\fR<arg>
CPU Used (\fB\-8\fR..8)
.TP
\fB\-\-auto\-alt\-ref=\fR<arg>
Enable automatic alt reference frames
.TP
\fB\-\-sharpness=\fR<arg>
Loop filter sharpness (0..7)
.TP
\fB\-\-static\-thresh=\fR<arg>
Motion detection threshold
.TP
\fB\-\-tile\-columns=\fR<arg>
Number of tile columns to use, log2
.TP
\fB\-\-tile\-rows=\fR<arg>
Number of tile rows to use, log2 (set to 0 while threads > 1)
.TP
\fB\-\-arnr\-maxframes=\fR<arg>
AltRef max frames (0..15)
.TP
\fB\-\-arnr\-strength=\fR<arg>
AltRef filter strength (0..6)
.TP
\fB\-\-arnr\-type=\fR<arg>
AltRef type
.TP
\fB\-\-tune=\fR<arg>
Material to favor
.IP
psnr, ssim
.TP
\fB\-\-cq\-level=\fR<arg>
Constant/Constrained Quality level
.TP
\fB\-\-max\-intra\-rate=\fR<arg>
Max I\-frame bitrate (pct)
.TP
\fB\-\-max\-inter\-rate=\fR<arg>
Max P\-frame bitrate (pct)
.TP
\fB\-\-gf\-cbr\-boost=\fR<arg>
Boost for Golden Frame in CBR mode (pct)
.TP
\fB\-\-lossless=\fR<arg>
Lossless mode (0: false (default), 1: true)
.TP
\fB\-\-frame\-parallel=\fR<arg>
Enable frame parallel decodability features
.TP
\fB\-\-aq\-mode=\fR<arg>
Adaptive quantization mode (0: off (default), 1: variance 2: complexity, 3: cyclic refresh, 4: equator360)
.TP
\fB\-\-frame\-boost=\fR<arg>
Enable frame periodic boost (0: off (default), 1: on)
.TP
\fB\-\-noise\-sensitivity=\fR<arg>
Noise sensitivity (frames to blur)
.TP
\fB\-\-tune\-content=\fR<arg>
Tune content type
.IP
default, screen
.TP
\fB\-\-color\-space=\fR<arg>
The color space of input content:
.IP
unknown, bt601, bt709, smpte170, smpte240, bt2020, reserved, sRGB
.TP
\fB\-\-min\-gf\-interval=\fR<arg>
min gf/arf frame interval (default 0, indicating in\-built behavior)
.TP
\fB\-\-max\-gf\-interval=\fR<arg>
max gf/arf frame interval (default 0, indicating in\-built behavior)
.TP
\fB\-\-target\-level=\fR<arg>
Target level (255: off (default); 0: only keep level stats; 10: level 1.0; 11: level 1.1; ... 62: level 6.2)
.SS "Stream timebase (--timebase):"
.IP
The desired precision of timestamps in the output, expressed
in fractional seconds. Default is 1/1000.
.PP
Included encoders:
.TP
vp8
\- WebM Project VP8 Encoder v1.6.0
.TP
vp9
\- WebM Project VP9 Encoder v1.6.0 (default)
.IP
Use \fB\-\-codec\fR to switch to a non\-default encoder.
.TP
\fB\-D\fR, \fB\-\-debug\fR
Debug mode (makes output deterministic)
.TP
\fB\-o\fR <arg>, \fB\-\-output=\fR<arg>
Output filename
.TP
\fB\-\-codec=\fR<arg>
Codec to use
.TP
\fB\-p\fR <arg>, \fB\-\-passes=\fR<arg>
Number of passes (1/2)
.TP
\fB\-\-pass=\fR<arg>
Pass to execute (1/2)
.TP
\fB\-\-fpf=\fR<arg>
First pass statistics file name
.TP
\fB\-\-limit=\fR<arg>
Stop encoding after n input frames
.TP
\fB\-\-skip=\fR<arg>
Skip the first n input frames
.TP
\fB\-d\fR <arg>, \fB\-\-deadline=\fR<arg>
Deadline per frame (usec)
.TP
\fB\-\-best\fR
Use Best Quality Deadline
.TP
\fB\-\-good\fR
Use Good Quality Deadline
.TP
\fB\-\-rt\fR
Use Realtime Quality Deadline
.TP
\fB\-q\fR, \fB\-\-quiet\fR
Do not print encode progress
.TP
\fB\-v\fR, \fB\-\-verbose\fR
Show encoder parameters
.TP
\fB\-\-psnr\fR
Show PSNR in status line
.TP
\fB\-\-webm\fR
Output WebM (default when WebM IO is enabled)
.TP
\fB\-\-ivf\fR
Output IVF
.TP
\fB\-P\fR, \fB\-\-output\-partitions\fR
Makes encoder output partitions. Requires IVF output!
.TP
\fB\-\-q\-hist=\fR<arg>
Show quantizer histogram (n\-buckets)
.TP
\fB\-\-rate\-hist=\fR<arg>
Show rate histogram (n\-buckets)
.TP
\fB\-\-disable\-warnings\fR
Disable warnings about potentially incorrect encode settings.
.TP
\fB\-y\fR, \fB\-\-disable\-warning\-prompt\fR
Display warnings, but do not prompt user to continue.
.TP
\fB\-\-test\-decode=\fR<arg>
Test encode/decode mismatch
.IP
off, fatal, warn
.SS "Encoder Global Options:"
.TP
\fB\-\-yv12\fR
Input file is YV12
.TP
\fB\-\-i420\fR
Input file is I420 (default)
.TP
\fB\-\-i422\fR
Input file is I422
.TP
\fB\-\-i444\fR
Input file is I444
.TP
\fB\-\-i440\fR
Input file is I440
.TP
\fB\-u\fR <arg>, \fB\-\-usage=\fR<arg>
Usage profile number to use
.TP
\fB\-t\fR <arg>, \fB\-\-threads=\fR<arg>
Max number of threads to use
.TP
\fB\-\-profile=\fR<arg>
Bitstream profile number to use
.TP
\fB\-w\fR <arg>, \fB\-\-width=\fR<arg>
Frame width
.TP
\fB\-h\fR <arg>, \fB\-\-height=\fR<arg>
Frame height
.TP
\fB\-\-stereo\-mode=\fR<arg>
Stereo 3D video format
.IP
mono, left\-right, bottom\-top, top\-bottom, right\-left
.TP
\fB\-\-timebase=\fR<arg>
Output timestamp precision (fractional seconds)
.TP
\fB\-\-fps=\fR<arg>
Stream frame rate (rate/scale)
.TP
\fB\-\-error\-resilient=\fR<arg>
Enable error resiliency features
.TP
\fB\-\-lag\-in\-frames=\fR<arg>
Max number of frames to lag
.SS "Rate Control Options:"
.TP
\fB\-\-drop\-frame=\fR<arg>
Temporal resampling threshold (buf %)
.TP
\fB\-\-resize\-allowed=\fR<arg>
Spatial resampling enabled (bool)
.TP
\fB\-\-resize\-width=\fR<arg>
Width of encoded frame
.TP
\fB\-\-resize\-height=\fR<arg>
Height of encoded frame
.TP
\fB\-\-resize\-up=\fR<arg>
Upscale threshold (buf %)
.TP
\fB\-\-resize\-down=\fR<arg>
Downscale threshold (buf %)
.TP
\fB\-\-end\-usage=\fR<arg>
Rate control mode
.IP
vbr, cbr, cq, q
.TP
\fB\-\-target\-bitrate=\fR<arg>
Bitrate (kbps)
.TP
\fB\-\-min\-q=\fR<arg>
Minimum (best) quantizer
.TP
\fB\-\-max\-q=\fR<arg>
Maximum (worst) quantizer
.TP
\fB\-\-undershoot\-pct=\fR<arg>
Datarate undershoot (min) target (%)
.TP
\fB\-\-overshoot\-pct=\fR<arg>
Datarate overshoot (max) target (%)
.TP
\fB\-\-buf\-sz=\fR<arg>
Client buffer size (ms)
.TP
\fB\-\-buf\-initial\-sz=\fR<arg>
Client initial buffer size (ms)
.TP
\fB\-\-buf\-optimal\-sz=\fR<arg>
Client optimal buffer size (ms)
.SS "Twopass Rate Control Options:"
.TP
\fB\-\-bias\-pct=\fR<arg>
CBR/VBR bias (0=CBR, 100=VBR)
.TP
\fB\-\-minsection\-pct=\fR<arg>
GOP min bitrate (% of target)
.TP
\fB\-\-maxsection\-pct=\fR<arg>
GOP max bitrate (% of target)
.SS "Keyframe Placement Options:"
.TP
\fB\-\-kf\-min\-dist=\fR<arg>
Minimum keyframe interval (frames)
.TP
\fB\-\-kf\-max\-dist=\fR<arg>
Maximum keyframe interval (frames)
.TP
\fB\-\-disable\-kf\fR
Disable keyframe placement
.SS "VP8 Specific Options:"
.TP
\fB\-\-cpu\-used=\fR<arg>
CPU Used (\fB\-16\fR..16)
.TP
\fB\-\-auto\-alt\-ref=\fR<arg>
Enable automatic alt reference frames
.TP
\fB\-\-noise\-sensitivity=\fR<arg>
Noise sensitivity (frames to blur)
.TP
\fB\-\-sharpness=\fR<arg>
Loop filter sharpness (0..7)
.TP
\fB\-\-static\-thresh=\fR<arg>
Motion detection threshold
.TP
\fB\-\-token\-parts=\fR<arg>
Number of token partitions to use, log2
.TP
\fB\-\-arnr\-maxframes=\fR<arg>
AltRef max frames (0..15)
.TP
\fB\-\-arnr\-strength=\fR<arg>
AltRef filter strength (0..6)
.TP
\fB\-\-arnr\-type=\fR<arg>
AltRef type
.TP
\fB\-\-tune=\fR<arg>
Material to favor
.IP
psnr, ssim
.TP
\fB\-\-cq\-level=\fR<arg>
Constant/Constrained Quality level
.TP
\fB\-\-max\-intra\-rate=\fR<arg>
Max I\-frame bitrate (pct)
.TP
\fB\-\-screen\-content\-mode=\fR<arg
Screen content mode
.SS "VP9 Specific Options:"
.TP
\fB\-\-cpu\-used=\fR<arg>
CPU Used (\fB\-8\fR..8)
.TP
\fB\-\-auto\-alt\-ref=\fR<arg>
Enable automatic alt reference frames
.TP
\fB\-\-sharpness=\fR<arg>
Loop filter sharpness (0..7)
.TP
\fB\-\-static\-thresh=\fR<arg>
Motion detection threshold
.TP
\fB\-\-tile\-columns=\fR<arg>
Number of tile columns to use, log2
.TP
\fB\-\-tile\-rows=\fR<arg>
Number of tile rows to use, log2 (set to 0 while threads > 1)
.TP
\fB\-\-arnr\-maxframes=\fR<arg>
AltRef max frames (0..15)
.TP
\fB\-\-arnr\-strength=\fR<arg>
AltRef filter strength (0..6)
.TP
\fB\-\-arnr\-type=\fR<arg>
AltRef type
.TP
\fB\-\-tune=\fR<arg>
Material to favor
.IP
psnr, ssim
.TP
\fB\-\-cq\-level=\fR<arg>
Constant/Constrained Quality level
.TP
\fB\-\-max\-intra\-rate=\fR<arg>
Max I\-frame bitrate (pct)
.TP
\fB\-\-max\-inter\-rate=\fR<arg>
Max P\-frame bitrate (pct)
.TP
\fB\-\-gf\-cbr\-boost=\fR<arg>
Boost for Golden Frame in CBR mode (pct)
.TP
\fB\-\-lossless=\fR<arg>
Lossless mode (0: false (default), 1: true)
.TP
\fB\-\-frame\-parallel=\fR<arg>
Enable frame parallel decodability features
.TP
\fB\-\-aq\-mode=\fR<arg>
Adaptive quantization mode (0: off (default), 1: variance 2: complexity, 3: cyclic refresh, 4: equator360)
.TP
\fB\-\-frame\-boost=\fR<arg>
Enable frame periodic boost (0: off (default), 1: on)
.TP
\fB\-\-noise\-sensitivity=\fR<arg>
Noise sensitivity (frames to blur)
.TP
\fB\-\-tune\-content=\fR<arg>
Tune content type
.IP
default, screen
.TP
\fB\-\-color\-space=\fR<arg>
The color space of input content:
.IP
unknown, bt601, bt709, smpte170, smpte240, bt2020, reserved, sRGB
.TP
\fB\-\-min\-gf\-interval=\fR<arg>
min gf/arf frame interval (default 0, indicating in\-built behavior)
.TP
\fB\-\-max\-gf\-interval=\fR<arg>
max gf/arf frame interval (default 0, indicating in\-built behavior)
.TP
\fB\-\-target\-level=\fR<arg>
Target level (255: off (default); 0: only keep level stats; 10: level 1.0; 11: level 1.1; ... 62: level 6.2)
.SS "Stream timebase (--timebase):"
.IP
The desired precision of timestamps in the output, expressed
in fractional seconds. Default is 1/1000.
.PP
.SS "Included encoders:"
.TP
vp8
\- WebM Project VP8 Encoder v1.6.0
.TP
vp9
\- WebM Project VP9 Encoder v1.6.0 (default)
.IP
Use \fB\-\-codec\fR to switch to a non\-default encoder.
|
