« back to all changes in this revision
Viewing changes to debian/x264.1
- browse files at revision 22
- compare with another revision
- download diff
- download tarball
- view history from revision 22
- Committer: Bazaar Package Importer
- Author(s): Reinhard Tartler, Loïc Minier, Reinhard Tartler
- Date: 2010-03-14 10:10:26 UTC
- Revision ID: james.westby@ubuntu.com-20100314101026-u2kv7qpkoutru323
Tags: 2:0.85.1448+git1a6d32-3
[ Loïc Minier ]
* Finish confflags logic and/or add workarounds
[ Reinhard Tartler ]
* build depend on libgpac-dev to enable mp4 support, LP: #464797
* simplify configure line, LP: #538555
* generate manpage with help2man to keep it up-to-date, LP: #391281
* Finish confflags logic and/or add workarounds
[ Reinhard Tartler ]
* build depend on libgpac-dev to enable mp4 support, LP: #464797
* simplify configure line, LP: #538555
* generate manpage with help2man to keep it up-to-date, LP: #391281
- files removed:
- debian/x264.1
- files modified:
- debian/changelog
added
removed
debian/x264.1
1
.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.36.
2
.TH X264 "1" "March 2007" "x264" "User Commands"
3
.SH NAME
4
x264 \- H.264 encoder
5
.SH SYNOPSIS
6
\fBx264 [options] \-o outfile infile [widthxheight]
7
.SH DESCRIPTION
8
x264 encodes a video stream using the H.264 codec.
9
.PP
10
Infile can be raw YUV 4:2:0 (in which case resolution is required) or
11
YUV4MPEG 4:2:0 (*.y4m).
12
.PP
13
Outfile type is selected by filename: \fB.264\fR (raw bytestream) or
14
\fB.mkv\fR (Matroska).
15
.SH OPTIONS
16
.TP
17
\fB\-h\fR, \fB\-\-help\fR
18
List the more commonly used options
19
.TP
20
\fB\-\-longhelp\fR
21
List all options
22
.PP
23
Frame\-type options:
24
.TP
25
\fB\-I\fR, \fB\-\-keyint\fR <integer>
26
Maximum GOP size [250]
27
.TP
28
\fB\-i\fR, \fB\-\-min\-keyint\fR <integer>
29
Minimum GOP size [25]
30
.TP
31
\fB\-\-scenecut\fR <integer>
32
How aggressively to insert extra I\-frames [40]
33
.TP
34
\fB\-\-pre\-scenecut\fR
35
Faster, less precise scenecut detection.
36
Required and implied by multi\-threading.
37
.TP
38
\fB\-b\fR, \fB\-\-bframes\fR <integer>
39
Number of B\-frames between I and P [0]
40
.TP
41
\fB\-\-no\-b\-adapt\fR
42
Disable adaptive B\-frame decision
43
.TP
44
\fB\-\-b\-bias\fR <integer>
45
Influences how often B\-frames are used [0]
46
.TP
47
\fB\-\-b\-pyramid\fR
48
Keep some B\-frames as references
49
.TP
50
\fB\-\-no\-cabac\fR
51
Disable CABAC
52
.TP
53
\fB\-r\fR, \fB\-\-ref\fR <integer>
54
Number of reference frames [1]
55
.TP
56
\fB\-\-no\-deblock\fR
57
Disable loop filter
58
.TP
59
\fB\-f\fR, \fB\-\-deblock\fR <alpha:beta>
60
Loop filter AlphaC0 and Beta parameters [0:0]
61
.TP
62
\fB\-\-interlaced\fR
63
Enable pure\-interlaced mode
64
.PP
65
Ratecontrol:
66
.TP
67
\fB\-q\fR, \fB\-\-qp\fR <integer>
68
Set QP (0=lossless) [26]
69
.TP
70
\fB\-B\fR, \fB\-\-bitrate\fR <integer>
71
Set bitrate (kbit/s)
72
.TP
73
\fB\-\-crf\fR <float>
74
Quality\-based VBR (nominal QP)
75
.HP
76
\fB\-\-vbv\-maxrate\fR <integer> Max local bitrate (kbit/s) [0]
77
.HP
78
\fB\-\-vbv\-bufsize\fR <integer> Enable CBR and set size of the VBV buffer (kbit) [0]
79
.TP
80
\fB\-\-vbv\-init\fR <float>
81
Initial VBV buffer occupancy [0.9]
82
.TP
83
\fB\-\-qpmin\fR <integer>
84
Set min QP [10]
85
.TP
86
\fB\-\-qpmax\fR <integer>
87
Set max QP [51]
88
.TP
89
\fB\-\-qpstep\fR <integer>
90
Set max QP step [4]
91
.TP
92
\fB\-\-ratetol\fR <float>
93
Allowed variance of average bitrate [1.0]
94
.TP
95
\fB\-\-ipratio\fR <float>
96
QP factor between I and P [1.40]
97
.TP
98
\fB\-\-pbratio\fR <float>
99
QP factor between P and B [1.30]
100
.TP
101
\fB\-\-chroma\-qp\-offset\fR <integer>
102
QP difference between chroma and luma [0]
103
.TP
104
\fB\-p\fR, \fB\-\-pass\fR <1|2|3>
105
Enable multipass ratecontrol
106
\- 1: First pass, creates stats file
107
\- 2: Last pass, does not overwrite stats file
108
\- 3: Nth pass, overwrites stats file
109
.TP
110
\fB\-\-stats\fR <string>
111
Filename for 2 pass stats ["x264_2pass.log"]
112
.TP
113
\fB\-\-rceq\fR <string>
114
Ratecontrol equation ["blurCplx^(1\-qComp)"]
115
.TP
116
\fB\-\-qcomp\fR <float>
117
QP curve compression: 0.0 => CBR, 1.0 => CQP [0.60]
118
.TP
119
\fB\-\-cplxblur\fR <float>
120
Reduce fluctuations in QP (before curve compression) [20.0]
121
.TP
122
\fB\-\-qblur\fR <float>
123
Reduce fluctuations in QP (after curve compression) [0.5]
124
.TP
125
\fB\-\-zones\fR <zone0>/<zone1>/...
126
Tweak the bitrate of some regions of the video
127
Each zone is of the form
128
.IP
129
<start frame>,<end frame>,<option>
130
where <option> is either
131
.IP
132
q=<integer> (force QP)
133
.TP
134
or
135
b=<float> (bitrate multiplier)
136
.TP
137
\fB\-\-qpfile\fR <string>
138
Force frametypes and QPs
139
.PP
140
Analysis:
141
.TP
142
\fB\-A\fR, \fB\-\-partitions\fR <string>
143
Partitions to consider ["p8x8,b8x8,i8x8,i4x4"]
144
\- p8x8, p4x4, b8x8, i8x8, i4x4
145
\- none, all
146
(p4x4 requires p8x8. i8x8 requires \fB\-\-8x8dct\fR.)
147
.TP
148
\fB\-\-direct\fR <string>
149
Direct MV prediction mode ["spatial"]
150
\- none, spatial, temporal, auto
151
.TP
152
\fB\-\-direct\-8x8\fR <\-1|0|1>
153
Direct prediction size [\-1]
154
\- 0: 4x4
155
\- 1: 8x8
156
\- \fB\-1\fR: smallest possible according to level
157
.TP
158
\fB\-w\fR, \fB\-\-weightb\fR
159
Weighted prediction for B\-frames
160
.TP
161
\fB\-\-me\fR <string>
162
Integer pixel motion estimation method ["hex"]
163
\- dia: diamond search, radius 1 (fast)
164
\- hex: hexagonal search, radius 2
165
\- umh: uneven multi\-hexagon search
166
\- esa: exhaustive search (slow)
167
.TP
168
\fB\-\-merange\fR <integer>
169
Maximum motion vector search range [16]
170
.TP
171
\fB\-\-mvrange\fR <integer>
172
Maximum motion vector length [\-1 (auto)]
173
.TP
174
\fB\-\-mvrange\-thread\fR <int>
175
Minimum buffer between threads [\-1 (auto)]
176
.TP
177
\fB\-m\fR, \fB\-\-subme\fR <integer>
178
Subpixel motion estimation and partition
179
decision quality: 1=fast, 7=best. [5]
180
.TP
181
\fB\-\-b\-rdo\fR
182
RD based mode decision for B\-frames. Requires subme 6.
183
.TP
184
\fB\-\-mixed\-refs\fR
185
Decide references on a per partition basis
186
.TP
187
\fB\-\-no\-chroma\-me\fR
188
Ignore chroma in motion estimation
189
.TP
190
\fB\-8\fR, \fB\-\-8x8dct\fR
191
Adaptive spatial transform size
192
.TP
193
\fB\-t\fR, \fB\-\-trellis\fR <integer>
194
Trellis RD quantization. Requires CABAC. [0]
195
\- 0: disabled
196
\- 1: enabled only on the final encode of a MB
197
\- 2: enabled on all mode decisions
198
.TP
199
\fB\-\-no\-fast\-pskip\fR
200
Disables early SKIP detection on P\-frames
201
.TP
202
\fB\-\-no\-dct\-decimate\fR
203
Disables coefficient thresholding on P\-frames
204
.TP
205
\fB\-\-nr\fR <integer>
206
Noise reduction [0]
207
.TP
208
\fB\-\-deadzone\-inter\fR <int>
209
Set the size of the inter luma quantization deadzone [21]
210
.TP
211
\fB\-\-deadzone\-intra\fR <int>
212
Set the size of the intra luma quantization deadzone [11]
213
Deadzones should be in the range 0 \- 32.
214
.TP
215
\fB\-\-cqm\fR <string>
216
Preset quant matrices ["flat"]
217
\- jvt, flat
218
.TP
219
\fB\-\-cqmfile\fR <string>
220
Read custom quant matrices from a JM\-compatible file
221
Overrides any other \fB\-\-cqm\fR* options.
222
.TP
223
\fB\-\-cqm4\fR <list>
224
Set all 4x4 quant matrices
225
Takes a comma\-separated list of 16 integers.
226
.TP
227
\fB\-\-cqm8\fR <list>
228
Set all 8x8 quant matrices
229
Takes a comma\-separated list of 64 integers.
230
.TP
231
\fB\-\-cqm4i\fR, \fB\-\-cqm4p\fR, \fB\-\-cqm8i\fR, \fB\-\-cqm8p\fR
232
Set both luma and chroma quant matrices
233
.TP
234
\fB\-\-cqm4iy\fR, \fB\-\-cqm4ic\fR, \fB\-\-cqm4py\fR, \fB\-\-cqm4pc\fR
235
Set individual quant matrices
236
.PP
237
Video Usability Info (Annex E):
238
The VUI settings are not used by the encoder but are merely suggestions to
239
the playback equipment. See doc/vui.txt for details. Use at your own risk.
240
.TP
241
\fB\-\-overscan\fR <string>
242
Specify crop overscan setting ["undef"]
243
\- undef, show, crop
244
.TP
245
\fB\-\-videoformat\fR <string>
246
Specify video format ["undef"]
247
\- component, pal, ntsc, secam, mac, undef
248
.TP
249
\fB\-\-fullrange\fR <string>
250
Specify full range samples setting ["off"]
251
\- off, on
252
.TP
253
\fB\-\-colorprim\fR <string>
254
Specify color primaries ["undef"]
255
\- undef, bt709, bt470m, bt470bg
256
.IP
257
smpte170m, smpte240m, film
258
.TP
259
\fB\-\-transfer\fR <string>
260
Specify transfer characteristics ["undef"]
261
\- undef, bt709, bt470m, bt470bg, linear,
262
.IP
263
log100, log316, smpte170m, smpte240m
264
.TP
265
\fB\-\-colormatrix\fR <string>
266
Specify color matrix setting ["undef"]
267
\- undef, bt709, fcc, bt470bg
268
.IP
269
smpte170m, smpte240m, GBR, YCgCo
270
.TP
271
\fB\-\-chromaloc\fR <integer>
272
Specify chroma sample location (0 to 5) [0]
273
.PP
274
Input/Output:
275
.TP
276
\fB\-o\fR, \fB\-\-output\fR
277
Specify output file
278
.TP
279
\fB\-\-sar\fR width:height
280
Specify Sample Aspect Ratio
281
.TP
282
\fB\-\-fps\fR <float|rational>
283
Specify framerate
284
.TP
285
\fB\-\-seek\fR <integer>
286
First frame to encode
287
.TP
288
\fB\-\-frames\fR <integer>
289
Maximum number of frames to encode
290
.TP
291
\fB\-\-level\fR <string>
292
Specify level (as defined by Annex A)
293
.TP
294
\fB\-v\fR, \fB\-\-verbose\fR
295
Print stats for each frame
296
.TP
297
\fB\-\-progress\fR
298
Show a progress indicator while encoding
299
.TP
300
\fB\-\-quiet\fR
301
Quiet Mode
302
.TP
303
\fB\-\-no\-psnr\fR
304
Disable PSNR computation
305
.TP
306
\fB\-\-no\-ssim\fR
307
Disable SSIM computation
308
.TP
309
\fB\-\-threads\fR <integer>
310
Parallel encoding
311
.TP
312
\fB\-\-thread\-input\fR
313
Run Avisynth in its own thread
314
.TP
315
\fB\-\-non\-deterministic\fR
316
Slightly improve quality of SMP, at the cost of repeatability
317
.TP
318
\fB\-\-no\-asm\fR
319
Disable all CPU optimizations
320
.TP
321
\fB\-\-visualize\fR
322
Show MB types overlayed on the encoded video
323
.TP
324
\fB\-\-sps\-id\fR <integer>
325
Set SPS and PPS id numbers [0]
326
.TP
327
\fB\-\-aud\fR
328
Use access unit delimiters
329
.SH "SEE ALSO"
330
.B ffmpeg(1)
331
.SH AUTHORS
332
x264 was written by Laurent Aimar <fenrir@via.ecp.fr> et al.
333
.PP
334
This manual page was written by Sam Hocevar <sam@zoy.org> for the Debian
335
project (but may be used by others).
Loggerhead is a web-based interface for Breezy
Version: 2.0.1