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1<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">2<html>3<!-- Created by , GNU Texinfo 7.1.1 -->4  <head>5    <meta charset="utf-8">6    <title>7      ffmpeg Documentation8    </title>9    <meta name="viewport" content="width=device-width,initial-scale=1.0">10    <link rel="stylesheet" type="text/css" href="bootstrap.min.css">11    <link rel="stylesheet" type="text/css" href="style.min.css">12  </head>13  <body>14    <div class="container">15      <h1>16      ffmpeg Documentation17      </h1>18 19 20<a name="SEC_Top"></a>21 22<div class="element-contents" id="SEC_Contents">23<h2 class="contents-heading">Table of Contents</h2>24 25<div class="contents">26 27<ul class="toc-numbered-mark">28  <li><a id="toc-Synopsis" href="#Synopsis">1 Synopsis</a></li>29  <li><a id="toc-Description" href="#Description">2 Description</a></li>30  <li><a id="toc-Detailed-description" href="#Detailed-description">3 Detailed description</a>31  <ul class="toc-numbered-mark">32    <li><a id="toc-Streamcopy" href="#Streamcopy">3.1 Streamcopy</a></li>33    <li><a id="toc-Transcoding" href="#Transcoding">3.2 Transcoding</a></li>34    <li><a id="toc-Filtering" href="#Filtering">3.3 Filtering</a>35    <ul class="toc-numbered-mark">36      <li><a id="toc-Simple-filtergraphs" href="#Simple-filtergraphs">3.3.1 Simple filtergraphs</a></li>37      <li><a id="toc-Complex-filtergraphs" href="#Complex-filtergraphs">3.3.2 Complex filtergraphs</a></li>38    </ul></li>39    <li><a id="toc-Loopback-decoders-1" href="#Loopback-decoders-1">3.4 Loopback decoders</a></li>40  </ul></li>41  <li><a id="toc-Stream-selection-1" href="#Stream-selection-1">4 Stream selection</a>42  <ul class="toc-numbered-mark">43    <li><a id="toc-Description-1" href="#Description-1">4.1 Description</a>44    <ul class="toc-numbered-mark">45      <li><a id="toc-Automatic-stream-selection" href="#Automatic-stream-selection">4.1.1 Automatic stream selection</a></li>46      <li><a id="toc-Manual-stream-selection" href="#Manual-stream-selection">4.1.2 Manual stream selection</a></li>47      <li><a id="toc-Complex-filtergraphs-1" href="#Complex-filtergraphs-1">4.1.3 Complex filtergraphs</a></li>48      <li><a id="toc-Stream-handling" href="#Stream-handling">4.1.4 Stream handling</a></li>49    </ul></li>50    <li><a id="toc-Examples" href="#Examples">4.2 Examples</a></li>51  </ul></li>52  <li><a id="toc-Options" href="#Options">5 Options</a>53  <ul class="toc-numbered-mark">54    <li><a id="toc-Stream-specifiers-1" href="#Stream-specifiers-1">5.1 Stream specifiers</a></li>55    <li><a id="toc-Generic-options" href="#Generic-options">5.2 Generic options</a></li>56    <li><a id="toc-AVOptions" href="#AVOptions">5.3 AVOptions</a></li>57    <li><a id="toc-Main-options" href="#Main-options">5.4 Main options</a></li>58    <li><a id="toc-Video-Options" href="#Video-Options">5.5 Video Options</a></li>59    <li><a id="toc-Advanced-Video-options" href="#Advanced-Video-options">5.6 Advanced Video options</a></li>60    <li><a id="toc-Audio-Options" href="#Audio-Options">5.7 Audio Options</a></li>61    <li><a id="toc-Advanced-Audio-options" href="#Advanced-Audio-options">5.8 Advanced Audio options</a></li>62    <li><a id="toc-Subtitle-options" href="#Subtitle-options">5.9 Subtitle options</a></li>63    <li><a id="toc-Advanced-Subtitle-options" href="#Advanced-Subtitle-options">5.10 Advanced Subtitle options</a></li>64    <li><a id="toc-Advanced-options" href="#Advanced-options">5.11 Advanced options</a></li>65    <li><a id="toc-Preset-files" href="#Preset-files">5.12 Preset files</a>66    <ul class="toc-numbered-mark">67      <li><a id="toc-ffpreset-files" href="#ffpreset-files">5.12.1 ffpreset files</a></li>68      <li><a id="toc-avpreset-files" href="#avpreset-files">5.12.2 avpreset files</a></li>69    </ul></li>70    <li><a id="toc-vstats-file-format" href="#vstats-file-format">5.13 vstats file format</a></li>71  </ul></li>72  <li><a id="toc-Examples-1" href="#Examples-1">6 Examples</a>73  <ul class="toc-numbered-mark">74    <li><a id="toc-Video-and-Audio-grabbing" href="#Video-and-Audio-grabbing">6.1 Video and Audio grabbing</a></li>75    <li><a id="toc-X11-grabbing" href="#X11-grabbing">6.2 X11 grabbing</a></li>76    <li><a id="toc-Video-and-Audio-file-format-conversion" href="#Video-and-Audio-file-format-conversion">6.3 Video and Audio file format conversion</a></li>77  </ul></li>78  <li><a id="toc-Syntax" href="#Syntax">7 Syntax</a>79  <ul class="toc-numbered-mark">80    <li><a id="toc-Quoting-and-escaping" href="#Quoting-and-escaping">7.1 Quoting and escaping</a>81    <ul class="toc-numbered-mark">82      <li><a id="toc-Examples-2" href="#Examples-2">7.1.1 Examples</a></li>83    </ul></li>84    <li><a id="toc-Date" href="#Date">7.2 Date</a></li>85    <li><a id="toc-Time-duration" href="#Time-duration">7.3 Time duration</a>86    <ul class="toc-numbered-mark">87      <li><a id="toc-Examples-3" href="#Examples-3">7.3.1 Examples</a></li>88    </ul></li>89    <li><a id="toc-Video-size" href="#Video-size">7.4 Video size</a></li>90    <li><a id="toc-Video-rate" href="#Video-rate">7.5 Video rate</a></li>91    <li><a id="toc-Ratio" href="#Ratio">7.6 Ratio</a></li>92    <li><a id="toc-Color" href="#Color">7.7 Color</a></li>93    <li><a id="toc-Channel-Layout" href="#Channel-Layout">7.8 Channel Layout</a></li>94  </ul></li>95  <li><a id="toc-Expression-Evaluation" href="#Expression-Evaluation">8 Expression Evaluation</a></li>96  <li><a id="toc-Codec-Options" href="#Codec-Options">9 Codec Options</a></li>97  <li><a id="toc-Decoders" href="#Decoders">10 Decoders</a></li>98  <li><a id="toc-Video-Decoders" href="#Video-Decoders">11 Video Decoders</a>99  <ul class="toc-numbered-mark">100    <li><a id="toc-av1" href="#av1">11.1 av1</a>101    <ul class="toc-numbered-mark">102      <li><a id="toc-Options-1" href="#Options-1">11.1.1 Options</a></li>103    </ul></li>104    <li><a id="toc-hevc" href="#hevc">11.2 hevc</a>105    <ul class="toc-numbered-mark">106      <li><a id="toc-Options-2" href="#Options-2">11.2.1 Options</a></li>107    </ul></li>108    <li><a id="toc-rawvideo" href="#rawvideo">11.3 rawvideo</a>109    <ul class="toc-numbered-mark">110      <li><a id="toc-Options-3" href="#Options-3">11.3.1 Options</a></li>111    </ul></li>112    <li><a id="toc-libdav1d" href="#libdav1d">11.4 libdav1d</a>113    <ul class="toc-numbered-mark">114      <li><a id="toc-Options-4" href="#Options-4">11.4.1 Options</a></li>115    </ul></li>116    <li><a id="toc-libdavs2" href="#libdavs2">11.5 libdavs2</a></li>117    <li><a id="toc-libuavs3d" href="#libuavs3d">11.6 libuavs3d</a>118    <ul class="toc-numbered-mark">119      <li><a id="toc-Options-5" href="#Options-5">11.6.1 Options</a></li>120    </ul></li>121    <li><a id="toc-libxevd" href="#libxevd">11.7 libxevd</a>122    <ul class="toc-numbered-mark">123      <li><a id="toc-Options-6" href="#Options-6">11.7.1 Options</a></li>124    </ul></li>125    <li><a id="toc-QSV-Decoders" href="#QSV-Decoders">11.8 QSV Decoders</a>126    <ul class="toc-numbered-mark">127      <li><a id="toc-Common-Options" href="#Common-Options">11.8.1 Common Options</a></li>128      <li><a id="toc-HEVC-Options" href="#HEVC-Options">11.8.2 HEVC Options</a></li>129    </ul></li>130    <li><a id="toc-v210" href="#v210">11.9 v210</a>131    <ul class="toc-numbered-mark">132      <li><a id="toc-Options-7" href="#Options-7">11.9.1 Options</a></li>133    </ul></li>134  </ul></li>135  <li><a id="toc-Audio-Decoders" href="#Audio-Decoders">12 Audio Decoders</a>136  <ul class="toc-numbered-mark">137    <li><a id="toc-ac3" href="#ac3">12.1 ac3</a>138    <ul class="toc-numbered-mark">139      <li><a id="toc-AC_002d3-Decoder-Options" href="#AC_002d3-Decoder-Options">12.1.1 AC-3 Decoder Options</a></li>140    </ul></li>141    <li><a id="toc-flac-1" href="#flac-1">12.2 flac</a>142    <ul class="toc-numbered-mark">143      <li><a id="toc-FLAC-Decoder-options" href="#FLAC-Decoder-options">12.2.1 FLAC Decoder options</a></li>144    </ul></li>145    <li><a id="toc-ffwavesynth" href="#ffwavesynth">12.3 ffwavesynth</a></li>146    <li><a id="toc-libcelt" href="#libcelt">12.4 libcelt</a></li>147    <li><a id="toc-libgsm" href="#libgsm">12.5 libgsm</a></li>148    <li><a id="toc-libilbc" href="#libilbc">12.6 libilbc</a>149    <ul class="toc-numbered-mark">150      <li><a id="toc-Options-8" href="#Options-8">12.6.1 Options</a></li>151    </ul></li>152    <li><a id="toc-libmpeghdec" href="#libmpeghdec">12.7 libmpeghdec</a></li>153    <li><a id="toc-libopencore_002damrnb" href="#libopencore_002damrnb">12.8 libopencore-amrnb</a></li>154    <li><a id="toc-libopencore_002damrwb" href="#libopencore_002damrwb">12.9 libopencore-amrwb</a></li>155    <li><a id="toc-libopus" href="#libopus">12.10 libopus</a></li>156  </ul></li>157  <li><a id="toc-Subtitles-Decoders" href="#Subtitles-Decoders">13 Subtitles Decoders</a>158  <ul class="toc-numbered-mark">159    <li><a id="toc-libaribb24" href="#libaribb24">13.1 libaribb24</a>160    <ul class="toc-numbered-mark">161      <li><a id="toc-libaribb24-Decoder-Options" href="#libaribb24-Decoder-Options">13.1.1 libaribb24 Decoder Options</a></li>162    </ul></li>163    <li><a id="toc-libaribcaption" href="#libaribcaption">13.2 libaribcaption</a>164    <ul class="toc-numbered-mark">165      <li><a id="toc-libaribcaption-Decoder-Options" href="#libaribcaption-Decoder-Options">13.2.1 libaribcaption Decoder Options</a></li>166      <li><a id="toc-libaribcaption-decoder-usage-examples" href="#libaribcaption-decoder-usage-examples">13.2.2 libaribcaption decoder usage examples</a></li>167    </ul></li>168    <li><a id="toc-dvbsub" href="#dvbsub">13.3 dvbsub</a>169    <ul class="toc-numbered-mark">170      <li><a id="toc-Options-9" href="#Options-9">13.3.1 Options</a></li>171    </ul></li>172    <li><a id="toc-dvdsub" href="#dvdsub">13.4 dvdsub</a>173    <ul class="toc-numbered-mark">174      <li><a id="toc-Options-10" href="#Options-10">13.4.1 Options</a></li>175    </ul></li>176    <li><a id="toc-libzvbi_002dteletext" href="#libzvbi_002dteletext">13.5 libzvbi-teletext</a>177    <ul class="toc-numbered-mark">178      <li><a id="toc-Options-11" href="#Options-11">13.5.1 Options</a></li>179    </ul></li>180  </ul></li>181  <li><a id="toc-Encoders" href="#Encoders">14 Encoders</a></li>182  <li><a id="toc-Audio-Encoders" href="#Audio-Encoders">15 Audio Encoders</a>183  <ul class="toc-numbered-mark">184    <li><a id="toc-aac" href="#aac">15.1 aac</a>185    <ul class="toc-numbered-mark">186      <li><a id="toc-Options-12" href="#Options-12">15.1.1 Options</a></li>187    </ul></li>188    <li><a id="toc-ac3-and-ac3_005ffixed" href="#ac3-and-ac3_005ffixed">15.2 ac3 and ac3_fixed</a>189    <ul class="toc-numbered-mark">190      <li><a id="toc-AC_002d3-Metadata" href="#AC_002d3-Metadata">15.2.1 AC-3 Metadata</a>191      <ul class="toc-numbered-mark">192        <li><a id="toc-Metadata-Control-Options" href="#Metadata-Control-Options">15.2.1.1 Metadata Control Options</a></li>193        <li><a id="toc-Downmix-Levels" href="#Downmix-Levels">15.2.1.2 Downmix Levels</a></li>194        <li><a id="toc-Audio-Production-Information" href="#Audio-Production-Information">15.2.1.3 Audio Production Information</a></li>195        <li><a id="toc-Other-Metadata-Options" href="#Other-Metadata-Options">15.2.1.4 Other Metadata Options</a></li>196      </ul></li>197      <li><a id="toc-Extended-Bitstream-Information" href="#Extended-Bitstream-Information">15.2.2 Extended Bitstream Information</a>198      <ul class="toc-numbered-mark">199        <li><a id="toc-Extended-Bitstream-Information-_002d-Part-1" href="#Extended-Bitstream-Information-_002d-Part-1">15.2.2.1 Extended Bitstream Information - Part 1</a></li>200        <li><a id="toc-Extended-Bitstream-Information-_002d-Part-2" href="#Extended-Bitstream-Information-_002d-Part-2">15.2.2.2 Extended Bitstream Information - Part 2</a></li>201      </ul></li>202      <li><a id="toc-Other-AC_002d3-Encoding-Options" href="#Other-AC_002d3-Encoding-Options">15.2.3 Other AC-3 Encoding Options</a></li>203      <li><a id="toc-Floating_002dPoint_002dOnly-AC_002d3-Encoding-Options" href="#Floating_002dPoint_002dOnly-AC_002d3-Encoding-Options">15.2.4 Floating-Point-Only AC-3 Encoding Options</a></li>204    </ul></li>205    <li><a id="toc-flac-2" href="#flac-2">15.3 flac</a>206    <ul class="toc-numbered-mark">207      <li><a id="toc-Options-13" href="#Options-13">15.3.1 Options</a></li>208    </ul></li>209    <li><a id="toc-opus" href="#opus">15.4 opus</a>210    <ul class="toc-numbered-mark">211      <li><a id="toc-Options-14" href="#Options-14">15.4.1 Options</a></li>212    </ul></li>213    <li><a id="toc-libfdk_005faac" href="#libfdk_005faac">15.5 libfdk_aac</a>214    <ul class="toc-numbered-mark">215      <li><a id="toc-Options-15" href="#Options-15">15.5.1 Options</a></li>216      <li><a id="toc-Examples-4" href="#Examples-4">15.5.2 Examples</a></li>217    </ul></li>218    <li><a id="toc-liblc3" href="#liblc3">15.6 liblc3</a>219    <ul class="toc-numbered-mark">220      <li><a id="toc-Options-16" href="#Options-16">15.6.1 Options</a></li>221    </ul></li>222    <li><a id="toc-libmp3lame-1" href="#libmp3lame-1">15.7 libmp3lame</a>223    <ul class="toc-numbered-mark">224      <li><a id="toc-Options-17" href="#Options-17">15.7.1 Options</a></li>225    </ul></li>226    <li><a id="toc-libopencore_002damrnb-1" href="#libopencore_002damrnb-1">15.8 libopencore-amrnb</a>227    <ul class="toc-numbered-mark">228      <li><a id="toc-Options-18" href="#Options-18">15.8.1 Options</a></li>229    </ul></li>230    <li><a id="toc-libopus-1" href="#libopus-1">15.9 libopus</a>231    <ul class="toc-numbered-mark">232      <li><a id="toc-Option-Mapping" href="#Option-Mapping">15.9.1 Option Mapping</a></li>233    </ul></li>234    <li><a id="toc-libshine-1" href="#libshine-1">15.10 libshine</a>235    <ul class="toc-numbered-mark">236      <li><a id="toc-Options-19" href="#Options-19">15.10.1 Options</a></li>237    </ul></li>238    <li><a id="toc-libtwolame" href="#libtwolame">15.11 libtwolame</a>239    <ul class="toc-numbered-mark">240      <li><a id="toc-Options-20" href="#Options-20">15.11.1 Options</a></li>241    </ul></li>242    <li><a id="toc-libvo_002damrwbenc" href="#libvo_002damrwbenc">15.12 libvo-amrwbenc</a>243    <ul class="toc-numbered-mark">244      <li><a id="toc-Options-21" href="#Options-21">15.12.1 Options</a></li>245    </ul></li>246    <li><a id="toc-libvorbis" href="#libvorbis">15.13 libvorbis</a>247    <ul class="toc-numbered-mark">248      <li><a id="toc-Options-22" href="#Options-22">15.13.1 Options</a></li>249    </ul></li>250    <li><a id="toc-mjpeg" href="#mjpeg">15.14 mjpeg</a>251    <ul class="toc-numbered-mark">252      <li><a id="toc-Options-23" href="#Options-23">15.14.1 Options</a></li>253    </ul></li>254    <li><a id="toc-wavpack" href="#wavpack">15.15 wavpack</a>255    <ul class="toc-numbered-mark">256      <li><a id="toc-Options-24" href="#Options-24">15.15.1 Options</a>257      <ul class="toc-numbered-mark">258        <li><a id="toc-Shared-options" href="#Shared-options">15.15.1.1 Shared options</a></li>259        <li><a id="toc-Private-options" href="#Private-options">15.15.1.2 Private options</a></li>260      </ul></li>261    </ul></li>262  </ul></li>263  <li><a id="toc-Video-Encoders" href="#Video-Encoders">16 Video Encoders</a>264  <ul class="toc-numbered-mark">265    <li><a id="toc-a64_005fmulti_002c-a64_005fmulti5" href="#a64_005fmulti_002c-a64_005fmulti5">16.1 a64_multi, a64_multi5</a></li>266    <li><a id="toc-Cinepak" href="#Cinepak">16.2 Cinepak</a>267    <ul class="toc-numbered-mark">268      <li><a id="toc-Options-25" href="#Options-25">16.2.1 Options</a></li>269    </ul></li>270    <li><a id="toc-ffv1-1" href="#ffv1-1">16.3 ffv1</a>271    <ul class="toc-numbered-mark">272      <li><a id="toc-Options-26" href="#Options-26">16.3.1 Options</a></li>273    </ul></li>274    <li><a id="toc-GIF" href="#GIF">16.4 GIF</a>275    <ul class="toc-numbered-mark">276      <li><a id="toc-Options-27" href="#Options-27">16.4.1 Options</a></li>277    </ul></li>278    <li><a id="toc-Hap" href="#Hap">16.5 Hap</a>279    <ul class="toc-numbered-mark">280      <li><a id="toc-Options-28" href="#Options-28">16.5.1 Options</a></li>281    </ul></li>282    <li><a id="toc-jpeg2000" href="#jpeg2000">16.6 jpeg2000</a>283    <ul class="toc-numbered-mark">284      <li><a id="toc-Options-29" href="#Options-29">16.6.1 Options</a></li>285    </ul></li>286    <li><a id="toc-librav1e" href="#librav1e">16.7 librav1e</a>287    <ul class="toc-numbered-mark">288      <li><a id="toc-Options-30" href="#Options-30">16.7.1 Options</a></li>289    </ul></li>290    <li><a id="toc-libaom_002dav1" href="#libaom_002dav1">16.8 libaom-av1</a>291    <ul class="toc-numbered-mark">292      <li><a id="toc-Options-31" href="#Options-31">16.8.1 Options</a></li>293    </ul></li>294    <li><a id="toc-liboapv" href="#liboapv">16.9 liboapv</a>295    <ul class="toc-numbered-mark">296      <li><a id="toc-Options-32" href="#Options-32">16.9.1 Options</a></li>297    </ul></li>298    <li><a id="toc-libsvtav1" href="#libsvtav1">16.10 libsvtav1</a>299    <ul class="toc-numbered-mark">300      <li><a id="toc-Options-33" href="#Options-33">16.10.1 Options</a></li>301    </ul></li>302    <li><a id="toc-libsvtjpegxs" href="#libsvtjpegxs">16.11 libsvtjpegxs</a>303    <ul class="toc-numbered-mark">304      <li><a id="toc-Options-34" href="#Options-34">16.11.1 Options</a></li>305    </ul></li>306    <li><a id="toc-libjxl" href="#libjxl">16.12 libjxl</a>307    <ul class="toc-numbered-mark">308      <li><a id="toc-Options-35" href="#Options-35">16.12.1 Options</a></li>309    </ul></li>310    <li><a id="toc-libkvazaar" href="#libkvazaar">16.13 libkvazaar</a>311    <ul class="toc-numbered-mark">312      <li><a id="toc-Options-36" href="#Options-36">16.13.1 Options</a></li>313    </ul></li>314    <li><a id="toc-libopenh264" href="#libopenh264">16.14 libopenh264</a>315    <ul class="toc-numbered-mark">316      <li><a id="toc-Options-37" href="#Options-37">16.14.1 Options</a></li>317    </ul></li>318    <li><a id="toc-libtheora" href="#libtheora">16.15 libtheora</a>319    <ul class="toc-numbered-mark">320      <li><a id="toc-Options-38" href="#Options-38">16.15.1 Options</a></li>321      <li><a id="toc-Examples-5" href="#Examples-5">16.15.2 Examples</a></li>322    </ul></li>323    <li><a id="toc-libvpx" href="#libvpx">16.16 libvpx</a>324    <ul class="toc-numbered-mark">325      <li><a id="toc-Options-39" href="#Options-39">16.16.1 Options</a></li>326    </ul></li>327    <li><a id="toc-libvvenc" href="#libvvenc">16.17 libvvenc</a>328    <ul class="toc-numbered-mark">329      <li><a id="toc-Supported-Pixel-Formats" href="#Supported-Pixel-Formats">16.17.1 Supported Pixel Formats</a></li>330      <li><a id="toc-Options-40" href="#Options-40">16.17.2 Options</a></li>331    </ul></li>332    <li><a id="toc-libwebp" href="#libwebp">16.18 libwebp</a>333    <ul class="toc-numbered-mark">334      <li><a id="toc-Pixel-Format" href="#Pixel-Format">16.18.1 Pixel Format</a></li>335      <li><a id="toc-Options-41" href="#Options-41">16.18.2 Options</a></li>336    </ul></li>337    <li><a id="toc-libx264_002c-libx264rgb" href="#libx264_002c-libx264rgb">16.19 libx264, libx264rgb</a>338    <ul class="toc-numbered-mark">339      <li><a id="toc-Supported-Pixel-Formats-1" href="#Supported-Pixel-Formats-1">16.19.1 Supported Pixel Formats</a></li>340      <li><a id="toc-Options-42" href="#Options-42">16.19.2 Options</a></li>341    </ul></li>342    <li><a id="toc-libx265" href="#libx265">16.20 libx265</a>343    <ul class="toc-numbered-mark">344      <li><a id="toc-Options-43" href="#Options-43">16.20.1 Options</a></li>345    </ul></li>346    <li><a id="toc-libxavs2" href="#libxavs2">16.21 libxavs2</a>347    <ul class="toc-numbered-mark">348      <li><a id="toc-Options-44" href="#Options-44">16.21.1 Options</a></li>349    </ul></li>350    <li><a id="toc-libxeve" href="#libxeve">16.22 libxeve</a>351    <ul class="toc-numbered-mark">352      <li><a id="toc-Options-45" href="#Options-45">16.22.1 Options</a></li>353    </ul></li>354    <li><a id="toc-libxvid" href="#libxvid">16.23 libxvid</a>355    <ul class="toc-numbered-mark">356      <li><a id="toc-Options-46" href="#Options-46">16.23.1 Options</a></li>357    </ul></li>358    <li><a id="toc-MediaCodec" href="#MediaCodec">16.24 MediaCodec</a></li>359    <li><a id="toc-MediaFoundation" href="#MediaFoundation">16.25 MediaFoundation</a>360    <ul class="toc-numbered-mark">361      <li><a id="toc-Options-47" href="#Options-47">16.25.1 Options</a></li>362      <li><a id="toc-Examples-6" href="#Examples-6">16.25.2 Examples</a></li>363    </ul></li>364    <li><a id="toc-Microsoft-RLE" href="#Microsoft-RLE">16.26 Microsoft RLE</a>365    <ul class="toc-numbered-mark">366      <li><a id="toc-Options-48" href="#Options-48">16.26.1 Options</a></li>367    </ul></li>368    <li><a id="toc-mpeg2" href="#mpeg2">16.27 mpeg2</a>369    <ul class="toc-numbered-mark">370      <li><a id="toc-Options-49" href="#Options-49">16.27.1 Options</a></li>371    </ul></li>372    <li><a id="toc-png" href="#png">16.28 png</a>373    <ul class="toc-numbered-mark">374      <li><a id="toc-Options-50" href="#Options-50">16.28.1 Options</a></li>375      <li><a id="toc-Private-options-1" href="#Private-options-1">16.28.2 Private options</a></li>376    </ul></li>377    <li><a id="toc-ProRes" href="#ProRes">16.29 ProRes</a>378    <ul class="toc-numbered-mark">379      <li><a id="toc-Private-Options-for-prores_002dks" href="#Private-Options-for-prores_002dks">16.29.1 Private Options for prores-ks</a></li>380      <li><a id="toc-Speed-considerations" href="#Speed-considerations">16.29.2 Speed considerations</a></li>381    </ul></li>382    <li><a id="toc-QSV-Encoders" href="#QSV-Encoders">16.30 QSV Encoders</a>383    <ul class="toc-numbered-mark">384      <li><a id="toc-Ratecontrol-Method" href="#Ratecontrol-Method">16.30.1 Ratecontrol Method</a></li>385      <li><a id="toc-Global-Options-_002d_003e-MSDK-Options" href="#Global-Options-_002d_003e-MSDK-Options">16.30.2 Global Options -&gt; MSDK Options</a></li>386      <li><a id="toc-Common-Options-1" href="#Common-Options-1">16.30.3 Common Options</a></li>387      <li><a id="toc-Runtime-Options" href="#Runtime-Options">16.30.4 Runtime Options</a></li>388      <li><a id="toc-H264-options" href="#H264-options">16.30.5 H264 options</a></li>389      <li><a id="toc-HEVC-Options-1" href="#HEVC-Options-1">16.30.6 HEVC Options</a></li>390      <li><a id="toc-MPEG2-Options" href="#MPEG2-Options">16.30.7 MPEG2 Options</a></li>391      <li><a id="toc-VP9-Options" href="#VP9-Options">16.30.8 VP9 Options</a></li>392      <li><a id="toc-AV1-Options" href="#AV1-Options">16.30.9 AV1 Options</a></li>393    </ul></li>394    <li><a id="toc-snow" href="#snow">16.31 snow</a>395    <ul class="toc-numbered-mark">396      <li><a id="toc-Options-51" href="#Options-51">16.31.1 Options</a></li>397    </ul></li>398    <li><a id="toc-VAAPI-encoders" href="#VAAPI-encoders">16.32 VAAPI encoders</a></li>399    <li><a id="toc-vbn" href="#vbn">16.33 vbn</a>400    <ul class="toc-numbered-mark">401      <li><a id="toc-Options-52" href="#Options-52">16.33.1 Options</a></li>402    </ul></li>403    <li><a id="toc-vc2" href="#vc2">16.34 vc2</a>404    <ul class="toc-numbered-mark">405      <li><a id="toc-Options-53" href="#Options-53">16.34.1 Options</a></li>406    </ul></li>407  </ul></li>408  <li><a id="toc-Subtitles-Encoders" href="#Subtitles-Encoders">17 Subtitles Encoders</a>409  <ul class="toc-numbered-mark">410    <li><a id="toc-dvbsub-1" href="#dvbsub-1">17.1 dvbsub</a>411    <ul class="toc-numbered-mark">412      <li><a id="toc-Options-54" href="#Options-54">17.1.1 Options</a></li>413    </ul></li>414    <li><a id="toc-dvdsub-1" href="#dvdsub-1">17.2 dvdsub</a>415    <ul class="toc-numbered-mark">416      <li><a id="toc-Options-55" href="#Options-55">17.2.1 Options</a></li>417    </ul></li>418    <li><a id="toc-lrc" href="#lrc">17.3 lrc</a>419    <ul class="toc-numbered-mark">420      <li><a id="toc-Options-56" href="#Options-56">17.3.1 Options</a></li>421    </ul></li>422  </ul></li>423  <li><a id="toc-Bitstream-Filters" href="#Bitstream-Filters">18 Bitstream Filters</a>424  <ul class="toc-numbered-mark">425    <li><a id="toc-aac_005fadtstoasc" href="#aac_005fadtstoasc">18.1 aac_adtstoasc</a></li>426    <li><a id="toc-av1_005fmetadata" href="#av1_005fmetadata">18.2 av1_metadata</a></li>427    <li><a id="toc-chomp" href="#chomp">18.3 chomp</a></li>428    <li><a id="toc-dca_005fcore" href="#dca_005fcore">18.4 dca_core</a></li>429    <li><a id="toc-dovi_005frpu" href="#dovi_005frpu">18.5 dovi_rpu</a></li>430    <li><a id="toc-dump_005fextra" href="#dump_005fextra">18.6 dump_extra</a></li>431    <li><a id="toc-dv_005ferror_005fmarker" href="#dv_005ferror_005fmarker">18.7 dv_error_marker</a></li>432    <li><a id="toc-eac3_005fcore" href="#eac3_005fcore">18.8 eac3_core</a></li>433    <li><a id="toc-eia608_005fto_005fsmpte436m" href="#eia608_005fto_005fsmpte436m">18.9 eia608_to_smpte436m</a></li>434    <li><a id="toc-extract_005fextradata" href="#extract_005fextradata">18.10 extract_extradata</a></li>435    <li><a id="toc-filter_005funits" href="#filter_005funits">18.11 filter_units</a></li>436    <li><a id="toc-hapqa_005fextract" href="#hapqa_005fextract">18.12 hapqa_extract</a></li>437    <li><a id="toc-h264_005fmetadata" href="#h264_005fmetadata">18.13 h264_metadata</a></li>438    <li><a id="toc-h264_005fmp4toannexb" href="#h264_005fmp4toannexb">18.14 h264_mp4toannexb</a></li>439    <li><a id="toc-h264_005fredundant_005fpps" href="#h264_005fredundant_005fpps">18.15 h264_redundant_pps</a></li>440    <li><a id="toc-hevc_005fmetadata" href="#hevc_005fmetadata">18.16 hevc_metadata</a></li>441    <li><a id="toc-hevc_005fmp4toannexb" href="#hevc_005fmp4toannexb">18.17 hevc_mp4toannexb</a></li>442    <li><a id="toc-imxdump" href="#imxdump">18.18 imxdump</a></li>443    <li><a id="toc-mjpeg2jpeg" href="#mjpeg2jpeg">18.19 mjpeg2jpeg</a></li>444    <li><a id="toc-mjpegadump" href="#mjpegadump">18.20 mjpegadump</a></li>445    <li><a id="toc-mov2textsub-1" href="#mov2textsub-1">18.21 mov2textsub</a></li>446    <li><a id="toc-mpeg2_005fmetadata" href="#mpeg2_005fmetadata">18.22 mpeg2_metadata</a></li>447    <li><a id="toc-mpeg4_005funpack_005fbframes" href="#mpeg4_005funpack_005fbframes">18.23 mpeg4_unpack_bframes</a></li>448    <li><a id="toc-noise" href="#noise">18.24 noise</a>449    <ul class="toc-numbered-mark">450      <li><a id="toc-Examples-7" href="#Examples-7">18.24.1 Examples</a></li>451    </ul></li>452    <li><a id="toc-null" href="#null">18.25 null</a></li>453    <li><a id="toc-pcm_005frechunk" href="#pcm_005frechunk">18.26 pcm_rechunk</a></li>454    <li><a id="toc-pgs_005fframe_005fmerge" href="#pgs_005fframe_005fmerge">18.27 pgs_frame_merge</a></li>455    <li><a id="toc-prores_005fmetadata" href="#prores_005fmetadata">18.28 prores_metadata</a></li>456    <li><a id="toc-remove_005fextra" href="#remove_005fextra">18.29 remove_extra</a></li>457    <li><a id="toc-setts" href="#setts">18.30 setts</a></li>458    <li><a id="toc-showinfo" href="#showinfo">18.31 showinfo</a></li>459    <li><a id="toc-smpte436m_005fto_005feia608" href="#smpte436m_005fto_005feia608">18.32 smpte436m_to_eia608</a></li>460    <li><a id="toc-text2movsub-1" href="#text2movsub-1">18.33 text2movsub</a></li>461    <li><a id="toc-trace_005fheaders" href="#trace_005fheaders">18.34 trace_headers</a></li>462    <li><a id="toc-truehd_005fcore" href="#truehd_005fcore">18.35 truehd_core</a></li>463    <li><a id="toc-vp9_005fmetadata" href="#vp9_005fmetadata">18.36 vp9_metadata</a></li>464    <li><a id="toc-vp9_005fsuperframe" href="#vp9_005fsuperframe">18.37 vp9_superframe</a></li>465    <li><a id="toc-vp9_005fsuperframe_005fsplit" href="#vp9_005fsuperframe_005fsplit">18.38 vp9_superframe_split</a></li>466    <li><a id="toc-vp9_005fraw_005freorder" href="#vp9_005fraw_005freorder">18.39 vp9_raw_reorder</a></li>467  </ul></li>468  <li><a id="toc-Format-Options" href="#Format-Options">19 Format Options</a>469  <ul class="toc-numbered-mark">470    <li><a id="toc-Format-stream-specifiers-1" href="#Format-stream-specifiers-1">19.1 Format stream specifiers</a></li>471  </ul></li>472  <li><a id="toc-Demuxers" href="#Demuxers">20 Demuxers</a>473  <ul class="toc-numbered-mark">474    <li><a id="toc-aa" href="#aa">20.1 aa</a></li>475    <li><a id="toc-aac-1" href="#aac-1">20.2 aac</a></li>476    <li><a id="toc-apng" href="#apng">20.3 apng</a></li>477    <li><a id="toc-asf-1" href="#asf-1">20.4 asf</a></li>478    <li><a id="toc-concat-1" href="#concat-1">20.5 concat</a>479    <ul class="toc-numbered-mark">480      <li><a id="toc-Syntax-1" href="#Syntax-1">20.5.1 Syntax</a></li>481      <li><a id="toc-Options-57" href="#Options-57">20.5.2 Options</a></li>482      <li><a id="toc-Examples-8" href="#Examples-8">20.5.3 Examples</a></li>483    </ul></li>484    <li><a id="toc-dash-1" href="#dash-1">20.6 dash</a>485    <ul class="toc-numbered-mark">486      <li><a id="toc-Options-58" href="#Options-58">20.6.1 Options</a></li>487    </ul></li>488    <li><a id="toc-dvdvideo" href="#dvdvideo">20.7 dvdvideo</a>489    <ul class="toc-numbered-mark">490      <li><a id="toc-Background" href="#Background">20.7.1 Background</a></li>491      <li><a id="toc-Options-59" href="#Options-59">20.7.2 Options</a></li>492      <li><a id="toc-Examples-9" href="#Examples-9">20.7.3 Examples</a></li>493    </ul></li>494    <li><a id="toc-ea" href="#ea">20.8 ea</a>495    <ul class="toc-numbered-mark">496      <li><a id="toc-Options-60" href="#Options-60">20.8.1 Options</a></li>497    </ul></li>498    <li><a id="toc-imf" href="#imf">20.9 imf</a></li>499    <li><a id="toc-flv_002c-live_005fflv_002c-kux" href="#flv_002c-live_005fflv_002c-kux">20.10 flv, live_flv, kux</a></li>500    <li><a id="toc-gif-1" href="#gif-1">20.11 gif</a></li>501    <li><a id="toc-hls-1" href="#hls-1">20.12 hls</a></li>502    <li><a id="toc-image2-1" href="#image2-1">20.13 image2</a>503    <ul class="toc-numbered-mark">504      <li><a id="toc-Examples-10" href="#Examples-10">20.13.1 Examples</a></li>505    </ul></li>506    <li><a id="toc-libgme" href="#libgme">20.14 libgme</a></li>507    <li><a id="toc-libmodplug" href="#libmodplug">20.15 libmodplug</a></li>508    <li><a id="toc-libopenmpt" href="#libopenmpt">20.16 libopenmpt</a></li>509    <li><a id="toc-mcc" href="#mcc">20.17 mcc</a>510    <ul class="toc-numbered-mark">511      <li><a id="toc-Examples-11" href="#Examples-11">20.17.1 Examples</a></li>512    </ul></li>513    <li><a id="toc-mov_002fmp4_002f3gp" href="#mov_002fmp4_002f3gp">20.18 mov/mp4/3gp</a>514    <ul class="toc-numbered-mark">515      <li><a id="toc-Options-61" href="#Options-61">20.18.1 Options</a></li>516      <li><a id="toc-Audible-AAX" href="#Audible-AAX">20.18.2 Audible AAX</a></li>517    </ul></li>518    <li><a id="toc-mpegts" href="#mpegts">20.19 mpegts</a></li>519    <li><a id="toc-mpjpeg" href="#mpjpeg">20.20 mpjpeg</a></li>520    <li><a id="toc-rawvideo-1" href="#rawvideo-1">20.21 rawvideo</a></li>521    <li><a id="toc-rcwt" href="#rcwt">20.22 rcwt</a>522    <ul class="toc-numbered-mark">523      <li><a id="toc-Examples-12" href="#Examples-12">20.22.1 Examples</a></li>524    </ul></li>525    <li><a id="toc-sbg" href="#sbg">20.23 sbg</a></li>526    <li><a id="toc-tedcaptions" href="#tedcaptions">20.24 tedcaptions</a></li>527    <li><a id="toc-vapoursynth" href="#vapoursynth">20.25 vapoursynth</a></li>528    <li><a id="toc-w64" href="#w64">20.26 w64</a></li>529    <li><a id="toc-wav-1" href="#wav-1">20.27 wav</a></li>530  </ul></li>531  <li><a id="toc-Muxers" href="#Muxers">21 Muxers</a>532  <ul class="toc-numbered-mark">533    <li><a id="toc-Raw-muxers" href="#Raw-muxers">21.1 Raw muxers</a>534    <ul class="toc-numbered-mark">535      <li><a id="toc-Examples-13" href="#Examples-13">21.1.1 Examples</a></li>536    </ul></li>537    <li><a id="toc-Raw-PCM-muxers" href="#Raw-PCM-muxers">21.2 Raw PCM muxers</a></li>538    <li><a id="toc-MPEG_002d1_002fMPEG_002d2-program-stream-muxers" href="#MPEG_002d1_002fMPEG_002d2-program-stream-muxers">21.3 MPEG-1/MPEG-2 program stream muxers</a>539    <ul class="toc-numbered-mark">540      <li><a id="toc-Options-62" href="#Options-62">21.3.1 Options</a></li>541    </ul></li>542    <li><a id="toc-MOV_002fMPEG_002d4_002fISOMBFF-muxers" href="#MOV_002fMPEG_002d4_002fISOMBFF-muxers">21.4 MOV/MPEG-4/ISOMBFF muxers</a>543    <ul class="toc-numbered-mark">544      <li><a id="toc-Fragmentation" href="#Fragmentation">21.4.1 Fragmentation</a></li>545      <li><a id="toc-Options-63" href="#Options-63">21.4.2 Options</a></li>546      <li><a id="toc-Examples-14" href="#Examples-14">21.4.3 Examples</a></li>547    </ul></li>548    <li><a id="toc-a64-1" href="#a64-1">21.5 a64</a></li>549    <li><a id="toc-ac4" href="#ac4">21.6 ac4</a>550    <ul class="toc-numbered-mark">551      <li><a id="toc-Options-64" href="#Options-64">21.6.1 Options</a></li>552    </ul></li>553    <li><a id="toc-adts-1" href="#adts-1">21.7 adts</a>554    <ul class="toc-numbered-mark">555      <li><a id="toc-Options-65" href="#Options-65">21.7.1 Options</a></li>556    </ul></li>557    <li><a id="toc-aea-1" href="#aea-1">21.8 aea</a></li>558    <li><a id="toc-aiff-1" href="#aiff-1">21.9 aiff</a>559    <ul class="toc-numbered-mark">560      <li><a id="toc-Options-66" href="#Options-66">21.9.1 Options</a></li>561    </ul></li>562    <li><a id="toc-alp-1" href="#alp-1">21.10 alp</a>563    <ul class="toc-numbered-mark">564      <li><a id="toc-Options-67" href="#Options-67">21.10.1 Options</a></li>565    </ul></li>566    <li><a id="toc-amr" href="#amr">21.11 amr</a></li>567    <li><a id="toc-amv" href="#amv">21.12 amv</a></li>568    <li><a id="toc-apm" href="#apm">21.13 apm</a></li>569    <li><a id="toc-apng-1" href="#apng-1">21.14 apng</a>570    <ul class="toc-numbered-mark">571      <li><a id="toc-Options-68" href="#Options-68">21.14.1 Options</a></li>572      <li><a id="toc-Examples-15" href="#Examples-15">21.14.2 Examples</a></li>573    </ul></li>574    <li><a id="toc-argo_005fasf" href="#argo_005fasf">21.15 argo_asf</a>575    <ul class="toc-numbered-mark">576      <li><a id="toc-Options-69" href="#Options-69">21.15.1 Options</a></li>577    </ul></li>578    <li><a id="toc-argo_005fcvg" href="#argo_005fcvg">21.16 argo_cvg</a>579    <ul class="toc-numbered-mark">580      <li><a id="toc-Options-70" href="#Options-70">21.16.1 Options</a></li>581    </ul></li>582    <li><a id="toc-asf_002c-asf_005fstream" href="#asf_002c-asf_005fstream">21.17 asf, asf_stream</a>583    <ul class="toc-numbered-mark">584      <li><a id="toc-Options-71" href="#Options-71">21.17.1 Options</a></li>585    </ul></li>586    <li><a id="toc-ass" href="#ass">21.18 ass</a>587    <ul class="toc-numbered-mark">588      <li><a id="toc-Options-72" href="#Options-72">21.18.1 Options</a></li>589    </ul></li>590    <li><a id="toc-ast" href="#ast">21.19 ast</a>591    <ul class="toc-numbered-mark">592      <li><a id="toc-Options-73" href="#Options-73">21.19.1 Options</a></li>593    </ul></li>594    <li><a id="toc-au" href="#au">21.20 au</a></li>595    <li><a id="toc-avi-1" href="#avi-1">21.21 avi</a>596    <ul class="toc-numbered-mark">597      <li><a id="toc-Options-74" href="#Options-74">21.21.1 Options</a></li>598    </ul></li>599    <li><a id="toc-avif" href="#avif">21.22 avif</a>600    <ul class="toc-numbered-mark">601      <li><a id="toc-Options-75" href="#Options-75">21.22.1 Options</a></li>602    </ul></li>603    <li><a id="toc-avm2" href="#avm2">21.23 avm2</a></li>604    <li><a id="toc-bit" href="#bit">21.24 bit</a></li>605    <li><a id="toc-caf" href="#caf">21.25 caf</a></li>606    <li><a id="toc-codec2" href="#codec2">21.26 codec2</a></li>607    <li><a id="toc-chromaprint-1" href="#chromaprint-1">21.27 chromaprint</a>608    <ul class="toc-numbered-mark">609      <li><a id="toc-Options-76" href="#Options-76">21.27.1 Options</a></li>610    </ul></li>611    <li><a id="toc-crc-1" href="#crc-1">21.28 crc</a>612    <ul class="toc-numbered-mark">613      <li><a id="toc-Examples-16" href="#Examples-16">21.28.1 Examples</a></li>614    </ul></li>615    <li><a id="toc-dash-2" href="#dash-2">21.29 dash</a>616    <ul class="toc-numbered-mark">617      <li><a id="toc-Options-77" href="#Options-77">21.29.1 Options</a></li>618      <li><a id="toc-Example" href="#Example">21.29.2 Example</a></li>619    </ul></li>620    <li><a id="toc-daud" href="#daud">21.30 daud</a>621    <ul class="toc-numbered-mark">622      <li><a id="toc-Example-1" href="#Example-1">21.30.1 Example</a></li>623    </ul></li>624    <li><a id="toc-dv" href="#dv">21.31 dv</a>625    <ul class="toc-numbered-mark">626      <li><a id="toc-Example-2" href="#Example-2">21.31.1 Example</a></li>627    </ul></li>628    <li><a id="toc-ffmetadata" href="#ffmetadata">21.32 ffmetadata</a>629    <ul class="toc-numbered-mark">630      <li><a id="toc-Example-3" href="#Example-3">21.32.1 Example</a></li>631    </ul></li>632    <li><a id="toc-fifo-1" href="#fifo-1">21.33 fifo</a>633    <ul class="toc-numbered-mark">634      <li><a id="toc-Options-78" href="#Options-78">21.33.1 Options</a></li>635      <li><a id="toc-Example-4" href="#Example-4">21.33.2 Example</a></li>636    </ul></li>637    <li><a id="toc-film_005fcpk" href="#film_005fcpk">21.34 film_cpk</a></li>638    <li><a id="toc-filmstrip" href="#filmstrip">21.35 filmstrip</a></li>639    <li><a id="toc-fits" href="#fits">21.36 fits</a></li>640    <li><a id="toc-flac-3" href="#flac-3">21.37 flac</a>641    <ul class="toc-numbered-mark">642      <li><a id="toc-Options-79" href="#Options-79">21.37.1 Options</a></li>643      <li><a id="toc-Example-5" href="#Example-5">21.37.2 Example</a></li>644    </ul></li>645    <li><a id="toc-flv" href="#flv">21.38 flv</a>646    <ul class="toc-numbered-mark">647      <li><a id="toc-Options-80" href="#Options-80">21.38.1 Options</a></li>648    </ul></li>649    <li><a id="toc-framecrc-1" href="#framecrc-1">21.39 framecrc</a>650    <ul class="toc-numbered-mark">651      <li><a id="toc-Examples-17" href="#Examples-17">21.39.1 Examples</a></li>652    </ul></li>653    <li><a id="toc-framehash-1" href="#framehash-1">21.40 framehash</a>654    <ul class="toc-numbered-mark">655      <li><a id="toc-Examples-18" href="#Examples-18">21.40.1 Examples</a></li>656    </ul></li>657    <li><a id="toc-framemd5-1" href="#framemd5-1">21.41 framemd5</a>658    <ul class="toc-numbered-mark">659      <li><a id="toc-Examples-19" href="#Examples-19">21.41.1 Examples</a></li>660    </ul></li>661    <li><a id="toc-gif-2" href="#gif-2">21.42 gif</a>662    <ul class="toc-numbered-mark">663      <li><a id="toc-Options-81" href="#Options-81">21.42.1 Options</a></li>664      <li><a id="toc-Example-6" href="#Example-6">21.42.2 Example</a></li>665    </ul></li>666    <li><a id="toc-gxf" href="#gxf">21.43 gxf</a></li>667    <li><a id="toc-hash-1" href="#hash-1">21.44 hash</a>668    <ul class="toc-numbered-mark">669      <li><a id="toc-Examples-20" href="#Examples-20">21.44.1 Examples</a></li>670    </ul></li>671    <li><a id="toc-hds-1" href="#hds-1">21.45 hds</a>672    <ul class="toc-numbered-mark">673      <li><a id="toc-Options-82" href="#Options-82">21.45.1 Options</a></li>674      <li><a id="toc-Example-7" href="#Example-7">21.45.2 Example</a></li>675    </ul></li>676    <li><a id="toc-hls-2" href="#hls-2">21.46 hls</a>677    <ul class="toc-numbered-mark">678      <li><a id="toc-Options-83" href="#Options-83">21.46.1 Options</a></li>679    </ul></li>680    <li><a id="toc-iamf" href="#iamf">21.47 iamf</a></li>681    <li><a id="toc-ico-1" href="#ico-1">21.48 ico</a></li>682    <li><a id="toc-ilbc" href="#ilbc">21.49 ilbc</a></li>683    <li><a id="toc-image2_002c-image2pipe" href="#image2_002c-image2pipe">21.50 image2, image2pipe</a>684    <ul class="toc-numbered-mark">685      <li><a id="toc-Options-84" href="#Options-84">21.50.1 Options</a></li>686      <li><a id="toc-Examples-21" href="#Examples-21">21.50.2 Examples</a></li>687    </ul></li>688    <li><a id="toc-ircam" href="#ircam">21.51 ircam</a></li>689    <li><a id="toc-ivf" href="#ivf">21.52 ivf</a></li>690    <li><a id="toc-jacosub" href="#jacosub">21.53 jacosub</a></li>691    <li><a id="toc-kvag" href="#kvag">21.54 kvag</a></li>692    <li><a id="toc-lc3" href="#lc3">21.55 lc3</a></li>693    <li><a id="toc-lrc-1" href="#lrc-1">21.56 lrc</a>694    <ul class="toc-numbered-mark">695      <li><a id="toc-Metadata" href="#Metadata">21.56.1 Metadata</a></li>696    </ul></li>697    <li><a id="toc-matroska" href="#matroska">21.57 matroska</a>698    <ul class="toc-numbered-mark">699      <li><a id="toc-Metadata-1" href="#Metadata-1">21.57.1 Metadata</a></li>700      <li><a id="toc-Options-85" href="#Options-85">21.57.2 Options</a></li>701    </ul></li>702    <li><a id="toc-md5-1" href="#md5-1">21.58 md5</a>703    <ul class="toc-numbered-mark">704      <li><a id="toc-Examples-22" href="#Examples-22">21.58.1 Examples</a></li>705    </ul></li>706    <li><a id="toc-mcc-1" href="#mcc-1">21.59 mcc</a>707    <ul class="toc-numbered-mark">708      <li><a id="toc-Options-86" href="#Options-86">21.59.1 Options</a></li>709      <li><a id="toc-Examples-23" href="#Examples-23">21.59.2 Examples</a></li>710    </ul></li>711    <li><a id="toc-microdvd" href="#microdvd">21.60 microdvd</a></li>712    <li><a id="toc-mmf" href="#mmf">21.61 mmf</a></li>713    <li><a id="toc-mp3" href="#mp3">21.62 mp3</a></li>714    <li><a id="toc-mpegts-1" href="#mpegts-1">21.63 mpegts</a>715    <ul class="toc-numbered-mark">716      <li><a id="toc-Options-87" href="#Options-87">21.63.1 Options</a></li>717      <li><a id="toc-Example-8" href="#Example-8">21.63.2 Example</a></li>718    </ul></li>719    <li><a id="toc-mxf_002c-mxf_005fd10_002c-mxf_005fopatom" href="#mxf_002c-mxf_005fd10_002c-mxf_005fopatom">21.64 mxf, mxf_d10, mxf_opatom</a>720    <ul class="toc-numbered-mark">721      <li><a id="toc-Options-88" href="#Options-88">21.64.1 Options</a></li>722    </ul></li>723    <li><a id="toc-null-1" href="#null-1">21.65 null</a></li>724    <li><a id="toc-nut" href="#nut">21.66 nut</a></li>725    <li><a id="toc-ogg" href="#ogg">21.67 ogg</a></li>726    <li><a id="toc-pdv" href="#pdv">21.68 pdv</a></li>727    <li><a id="toc-rcwt-1" href="#rcwt-1">21.69 rcwt</a>728    <ul class="toc-numbered-mark">729      <li><a id="toc-Examples-24" href="#Examples-24">21.69.1 Examples</a></li>730    </ul></li>731    <li><a id="toc-segment_002c-stream_005fsegment_002c-ssegment" href="#segment_002c-stream_005fsegment_002c-ssegment">21.70 segment, stream_segment, ssegment</a>732    <ul class="toc-numbered-mark">733      <li><a id="toc-Options-89" href="#Options-89">21.70.1 Options</a></li>734      <li><a id="toc-Examples-25" href="#Examples-25">21.70.2 Examples</a></li>735    </ul></li>736    <li><a id="toc-smoothstreaming" href="#smoothstreaming">21.71 smoothstreaming</a></li>737    <li><a id="toc-streamhash-1" href="#streamhash-1">21.72 streamhash</a>738    <ul class="toc-numbered-mark">739      <li><a id="toc-Examples-26" href="#Examples-26">21.72.1 Examples</a></li>740    </ul></li>741    <li><a id="toc-tee-1" href="#tee-1">21.73 tee</a>742    <ul class="toc-numbered-mark">743      <li><a id="toc-Options-90" href="#Options-90">21.73.1 Options</a></li>744      <li><a id="toc-Examples-27" href="#Examples-27">21.73.2 Examples</a></li>745    </ul></li>746    <li><a id="toc-webm_005fchunk" href="#webm_005fchunk">21.74 webm_chunk</a>747    <ul class="toc-numbered-mark">748      <li><a id="toc-Options-91" href="#Options-91">21.74.1 Options</a></li>749      <li><a id="toc-Example-9" href="#Example-9">21.74.2 Example</a></li>750    </ul></li>751    <li><a id="toc-webm_005fdash_005fmanifest" href="#webm_005fdash_005fmanifest">21.75 webm_dash_manifest</a>752    <ul class="toc-numbered-mark">753      <li><a id="toc-Options-92" href="#Options-92">21.75.1 Options</a></li>754      <li><a id="toc-Example-10" href="#Example-10">21.75.2 Example</a></li>755    </ul></li>756    <li><a id="toc-whip-1" href="#whip-1">21.76 whip</a>757    <ul class="toc-numbered-mark">758      <li><a id="toc-Options-93" href="#Options-93">21.76.1 Options</a></li>759    </ul></li>760  </ul></li>761  <li><a id="toc-Metadata-2" href="#Metadata-2">22 Metadata</a></li>762  <li><a id="toc-Protocol-Options" href="#Protocol-Options">23 Protocol Options</a></li>763  <li><a id="toc-Protocols" href="#Protocols">24 Protocols</a>764  <ul class="toc-numbered-mark">765    <li><a id="toc-amqp" href="#amqp">24.1 amqp</a></li>766    <li><a id="toc-async" href="#async">24.2 async</a></li>767    <li><a id="toc-bluray" href="#bluray">24.3 bluray</a></li>768    <li><a id="toc-cache" href="#cache">24.4 cache</a></li>769    <li><a id="toc-concat-2" href="#concat-2">24.5 concat</a></li>770    <li><a id="toc-concatf" href="#concatf">24.6 concatf</a></li>771    <li><a id="toc-crypto" href="#crypto">24.7 crypto</a></li>772    <li><a id="toc-data" href="#data">24.8 data</a></li>773    <li><a id="toc-fd" href="#fd">24.9 fd</a></li>774    <li><a id="toc-file" href="#file">24.10 file</a></li>775    <li><a id="toc-ftp" href="#ftp">24.11 ftp</a></li>776    <li><a id="toc-gopher" href="#gopher">24.12 gopher</a></li>777    <li><a id="toc-gophers" href="#gophers">24.13 gophers</a></li>778    <li><a id="toc-http" href="#http">24.14 http</a>779    <ul class="toc-numbered-mark">780      <li><a id="toc-HTTP-Cookies" href="#HTTP-Cookies">24.14.1 HTTP Cookies</a></li>781    </ul></li>782    <li><a id="toc-Icecast" href="#Icecast">24.15 Icecast</a></li>783    <li><a id="toc-ipfs" href="#ipfs">24.16 ipfs</a></li>784    <li><a id="toc-mmst" href="#mmst">24.17 mmst</a></li>785    <li><a id="toc-mmsh" href="#mmsh">24.18 mmsh</a></li>786    <li><a id="toc-md5-2" href="#md5-2">24.19 md5</a></li>787    <li><a id="toc-pipe" href="#pipe">24.20 pipe</a></li>788    <li><a id="toc-prompeg" href="#prompeg">24.21 prompeg</a></li>789    <li><a id="toc-rist" href="#rist">24.22 rist</a></li>790    <li><a id="toc-rtmp" href="#rtmp">24.23 rtmp</a></li>791    <li><a id="toc-rtmpe" href="#rtmpe">24.24 rtmpe</a></li>792    <li><a id="toc-rtmps" href="#rtmps">24.25 rtmps</a></li>793    <li><a id="toc-rtmpt" href="#rtmpt">24.26 rtmpt</a></li>794    <li><a id="toc-rtmpte" href="#rtmpte">24.27 rtmpte</a></li>795    <li><a id="toc-rtmpts" href="#rtmpts">24.28 rtmpts</a></li>796    <li><a id="toc-libsmbclient" href="#libsmbclient">24.29 libsmbclient</a></li>797    <li><a id="toc-libssh" href="#libssh">24.30 libssh</a></li>798    <li><a id="toc-librtmp-rtmp_002c-rtmpe_002c-rtmps_002c-rtmpt_002c-rtmpte" href="#librtmp-rtmp_002c-rtmpe_002c-rtmps_002c-rtmpt_002c-rtmpte">24.31 librtmp rtmp, rtmpe, rtmps, rtmpt, rtmpte</a></li>799    <li><a id="toc-rtp" href="#rtp">24.32 rtp</a></li>800    <li><a id="toc-rtsp" href="#rtsp">24.33 rtsp</a>801    <ul class="toc-numbered-mark">802      <li><a id="toc-Muxer" href="#Muxer">24.33.1 Muxer</a></li>803      <li><a id="toc-Demuxer" href="#Demuxer">24.33.2 Demuxer</a></li>804      <li><a id="toc-Examples-28" href="#Examples-28">24.33.3 Examples</a></li>805    </ul></li>806    <li><a id="toc-sap" href="#sap">24.34 sap</a>807    <ul class="toc-numbered-mark">808      <li><a id="toc-Muxer-1" href="#Muxer-1">24.34.1 Muxer</a></li>809      <li><a id="toc-Demuxer-1" href="#Demuxer-1">24.34.2 Demuxer</a></li>810    </ul></li>811    <li><a id="toc-sctp" href="#sctp">24.35 sctp</a></li>812    <li><a id="toc-srt" href="#srt">24.36 srt</a></li>813    <li><a id="toc-srtp" href="#srtp">24.37 srtp</a></li>814    <li><a id="toc-subfile" href="#subfile">24.38 subfile</a></li>815    <li><a id="toc-tee-2" href="#tee-2">24.39 tee</a></li>816    <li><a id="toc-tcp" href="#tcp">24.40 tcp</a></li>817    <li><a id="toc-tls" href="#tls">24.41 tls</a></li>818    <li><a id="toc-dtls" href="#dtls">24.42 dtls</a></li>819    <li><a id="toc-udp" href="#udp">24.43 udp</a>820    <ul class="toc-numbered-mark">821      <li><a id="toc-Examples-29" href="#Examples-29">24.43.1 Examples</a></li>822    </ul></li>823    <li><a id="toc-unix" href="#unix">24.44 unix</a></li>824    <li><a id="toc-zmq" href="#zmq">24.45 zmq</a></li>825  </ul></li>826  <li><a id="toc-Device-Options" href="#Device-Options">25 Device Options</a></li>827  <li><a id="toc-Input-Devices" href="#Input-Devices">26 Input Devices</a>828  <ul class="toc-numbered-mark">829    <li><a id="toc-alsa" href="#alsa">26.1 alsa</a>830    <ul class="toc-numbered-mark">831      <li><a id="toc-Options-94" href="#Options-94">26.1.1 Options</a></li>832    </ul></li>833    <li><a id="toc-android_005fcamera" href="#android_005fcamera">26.2 android_camera</a>834    <ul class="toc-numbered-mark">835      <li><a id="toc-Options-95" href="#Options-95">26.2.1 Options</a></li>836    </ul></li>837    <li><a id="toc-avfoundation" href="#avfoundation">26.3 avfoundation</a>838    <ul class="toc-numbered-mark">839      <li><a id="toc-Options-96" href="#Options-96">26.3.1 Options</a></li>840      <li><a id="toc-Examples-30" href="#Examples-30">26.3.2 Examples</a></li>841    </ul></li>842    <li><a id="toc-decklink" href="#decklink">26.4 decklink</a>843    <ul class="toc-numbered-mark">844      <li><a id="toc-Options-97" href="#Options-97">26.4.1 Options</a></li>845      <li><a id="toc-Examples-31" href="#Examples-31">26.4.2 Examples</a></li>846    </ul></li>847    <li><a id="toc-dshow" href="#dshow">26.5 dshow</a>848    <ul class="toc-numbered-mark">849      <li><a id="toc-Options-98" href="#Options-98">26.5.1 Options</a></li>850      <li><a id="toc-Examples-32" href="#Examples-32">26.5.2 Examples</a></li>851    </ul></li>852    <li><a id="toc-fbdev" href="#fbdev">26.6 fbdev</a>853    <ul class="toc-numbered-mark">854      <li><a id="toc-Options-99" href="#Options-99">26.6.1 Options</a></li>855    </ul></li>856    <li><a id="toc-gdigrab" href="#gdigrab">26.7 gdigrab</a>857    <ul class="toc-numbered-mark">858      <li><a id="toc-Options-100" href="#Options-100">26.7.1 Options</a></li>859    </ul></li>860    <li><a id="toc-iec61883" href="#iec61883">26.8 iec61883</a>861    <ul class="toc-numbered-mark">862      <li><a id="toc-Options-101" href="#Options-101">26.8.1 Options</a></li>863      <li><a id="toc-Examples-33" href="#Examples-33">26.8.2 Examples</a></li>864    </ul></li>865    <li><a id="toc-jack" href="#jack">26.9 jack</a>866    <ul class="toc-numbered-mark">867      <li><a id="toc-Options-102" href="#Options-102">26.9.1 Options</a></li>868    </ul></li>869    <li><a id="toc-kmsgrab" href="#kmsgrab">26.10 kmsgrab</a>870    <ul class="toc-numbered-mark">871      <li><a id="toc-Options-103" href="#Options-103">26.10.1 Options</a></li>872      <li><a id="toc-Examples-34" href="#Examples-34">26.10.2 Examples</a></li>873    </ul></li>874    <li><a id="toc-lavfi" href="#lavfi">26.11 lavfi</a>875    <ul class="toc-numbered-mark">876      <li><a id="toc-Options-104" href="#Options-104">26.11.1 Options</a></li>877      <li><a id="toc-Examples-35" href="#Examples-35">26.11.2 Examples</a></li>878    </ul></li>879    <li><a id="toc-libcdio" href="#libcdio">26.12 libcdio</a>880    <ul class="toc-numbered-mark">881      <li><a id="toc-Options-105" href="#Options-105">26.12.1 Options</a></li>882    </ul></li>883    <li><a id="toc-libdc1394" href="#libdc1394">26.13 libdc1394</a>884    <ul class="toc-numbered-mark">885      <li><a id="toc-Options-106" href="#Options-106">26.13.1 Options</a></li>886    </ul></li>887    <li><a id="toc-openal" href="#openal">26.14 openal</a>888    <ul class="toc-numbered-mark">889      <li><a id="toc-Options-107" href="#Options-107">26.14.1 Options</a></li>890      <li><a id="toc-Examples-36" href="#Examples-36">26.14.2 Examples</a></li>891    </ul></li>892    <li><a id="toc-oss" href="#oss">26.15 oss</a>893    <ul class="toc-numbered-mark">894      <li><a id="toc-Options-108" href="#Options-108">26.15.1 Options</a></li>895    </ul></li>896    <li><a id="toc-pulse" href="#pulse">26.16 pulse</a>897    <ul class="toc-numbered-mark">898      <li><a id="toc-Options-109" href="#Options-109">26.16.1 Options</a></li>899      <li><a id="toc-Examples-37" href="#Examples-37">26.16.2 Examples</a></li>900    </ul></li>901    <li><a id="toc-sndio" href="#sndio">26.17 sndio</a>902    <ul class="toc-numbered-mark">903      <li><a id="toc-Options-110" href="#Options-110">26.17.1 Options</a></li>904    </ul></li>905    <li><a id="toc-video4linux2_002c-v4l2" href="#video4linux2_002c-v4l2">26.18 video4linux2, v4l2</a>906    <ul class="toc-numbered-mark">907      <li><a id="toc-Options-111" href="#Options-111">26.18.1 Options</a></li>908    </ul></li>909    <li><a id="toc-vfwcap" href="#vfwcap">26.19 vfwcap</a>910    <ul class="toc-numbered-mark">911      <li><a id="toc-Options-112" href="#Options-112">26.19.1 Options</a></li>912    </ul></li>913    <li><a id="toc-x11grab" href="#x11grab">26.20 x11grab</a>914    <ul class="toc-numbered-mark">915      <li><a id="toc-Options-113" href="#Options-113">26.20.1 Options</a></li>916    </ul></li>917  </ul></li>918  <li><a id="toc-Output-Devices" href="#Output-Devices">27 Output Devices</a>919  <ul class="toc-numbered-mark">920    <li><a id="toc-alsa-1" href="#alsa-1">27.1 alsa</a>921    <ul class="toc-numbered-mark">922      <li><a id="toc-Examples-38" href="#Examples-38">27.1.1 Examples</a></li>923    </ul></li>924    <li><a id="toc-AudioToolbox" href="#AudioToolbox">27.2 AudioToolbox</a>925    <ul class="toc-numbered-mark">926      <li><a id="toc-Options-114" href="#Options-114">27.2.1 Options</a></li>927      <li><a id="toc-Examples-39" href="#Examples-39">27.2.2 Examples</a></li>928    </ul></li>929    <li><a id="toc-caca" href="#caca">27.3 caca</a>930    <ul class="toc-numbered-mark">931      <li><a id="toc-Options-115" href="#Options-115">27.3.1 Options</a></li>932      <li><a id="toc-Examples-40" href="#Examples-40">27.3.2 Examples</a></li>933    </ul></li>934    <li><a id="toc-decklink-1" href="#decklink-1">27.4 decklink</a>935    <ul class="toc-numbered-mark">936      <li><a id="toc-Options-116" href="#Options-116">27.4.1 Options</a></li>937      <li><a id="toc-Examples-41" href="#Examples-41">27.4.2 Examples</a></li>938    </ul></li>939    <li><a id="toc-fbdev-1" href="#fbdev-1">27.5 fbdev</a>940    <ul class="toc-numbered-mark">941      <li><a id="toc-Options-117" href="#Options-117">27.5.1 Options</a></li>942      <li><a id="toc-Examples-42" href="#Examples-42">27.5.2 Examples</a></li>943    </ul></li>944    <li><a id="toc-oss-1" href="#oss-1">27.6 oss</a></li>945    <li><a id="toc-pulse-1" href="#pulse-1">27.7 pulse</a>946    <ul class="toc-numbered-mark">947      <li><a id="toc-Options-118" href="#Options-118">27.7.1 Options</a></li>948      <li><a id="toc-Examples-43" href="#Examples-43">27.7.2 Examples</a></li>949    </ul></li>950    <li><a id="toc-sndio-1" href="#sndio-1">27.8 sndio</a></li>951    <li><a id="toc-v4l2" href="#v4l2">27.9 v4l2</a></li>952    <li><a id="toc-xv" href="#xv">27.10 xv</a>953    <ul class="toc-numbered-mark">954      <li><a id="toc-Options-119" href="#Options-119">27.10.1 Options</a></li>955      <li><a id="toc-Examples-44" href="#Examples-44">27.10.2 Examples</a></li>956    </ul></li>957  </ul></li>958  <li><a id="toc-Resampler-Options" href="#Resampler-Options">28 Resampler Options</a></li>959  <li><a id="toc-Scaler-Options" href="#Scaler-Options">29 Scaler Options</a></li>960  <li><a id="toc-Filtering-Introduction" href="#Filtering-Introduction">30 Filtering Introduction</a></li>961  <li><a id="toc-graph2dot" href="#graph2dot">31 graph2dot</a></li>962  <li><a id="toc-Filtergraph-description" href="#Filtergraph-description">32 Filtergraph description</a>963  <ul class="toc-numbered-mark">964    <li><a id="toc-Filtergraph-syntax-1" href="#Filtergraph-syntax-1">32.1 Filtergraph syntax</a></li>965    <li><a id="toc-Notes-on-filtergraph-escaping" href="#Notes-on-filtergraph-escaping">32.2 Notes on filtergraph escaping</a></li>966  </ul></li>967  <li><a id="toc-Timeline-editing" href="#Timeline-editing">33 Timeline editing</a></li>968  <li><a id="toc-Changing-options-at-runtime-with-a-command" href="#Changing-options-at-runtime-with-a-command">34 Changing options at runtime with a command</a></li>969  <li><a id="toc-Options-for-filters-with-several-inputs-_0028framesync_0029" href="#Options-for-filters-with-several-inputs-_0028framesync_0029">35 Options for filters with several inputs (framesync)</a></li>970  <li><a id="toc-Audio-Filters" href="#Audio-Filters">36 Audio Filters</a>971  <ul class="toc-numbered-mark">972    <li><a id="toc-aap" href="#aap">36.1 aap</a></li>973    <li><a id="toc-acompressor" href="#acompressor">36.2 acompressor</a>974    <ul class="toc-numbered-mark">975      <li><a id="toc-Commands" href="#Commands">36.2.1 Commands</a></li>976    </ul></li>977    <li><a id="toc-acontrast" href="#acontrast">36.3 acontrast</a></li>978    <li><a id="toc-acopy" href="#acopy">36.4 acopy</a></li>979    <li><a id="toc-acrossfade" href="#acrossfade">36.5 acrossfade</a>980    <ul class="toc-numbered-mark">981      <li><a id="toc-Examples-45" href="#Examples-45">36.5.1 Examples</a></li>982    </ul></li>983    <li><a id="toc-acrossover" href="#acrossover">36.6 acrossover</a>984    <ul class="toc-numbered-mark">985      <li><a id="toc-Examples-46" href="#Examples-46">36.6.1 Examples</a></li>986    </ul></li>987    <li><a id="toc-acrusher" href="#acrusher">36.7 acrusher</a>988    <ul class="toc-numbered-mark">989      <li><a id="toc-Commands-1" href="#Commands-1">36.7.1 Commands</a></li>990    </ul></li>991    <li><a id="toc-acue" href="#acue">36.8 acue</a></li>992    <li><a id="toc-adeclick" href="#adeclick">36.9 adeclick</a></li>993    <li><a id="toc-adeclip" href="#adeclip">36.10 adeclip</a></li>994    <li><a id="toc-adecorrelate" href="#adecorrelate">36.11 adecorrelate</a></li>995    <li><a id="toc-adelay" href="#adelay">36.12 adelay</a>996    <ul class="toc-numbered-mark">997      <li><a id="toc-Examples-47" href="#Examples-47">36.12.1 Examples</a></li>998    </ul></li>999    <li><a id="toc-adenorm" href="#adenorm">36.13 adenorm</a>1000    <ul class="toc-numbered-mark">1001      <li><a id="toc-Commands-2" href="#Commands-2">36.13.1 Commands</a></li>1002    </ul></li>1003    <li><a id="toc-aderivative_002c-aintegral" href="#aderivative_002c-aintegral">36.14 aderivative, aintegral</a></li>1004    <li><a id="toc-adrc" href="#adrc">36.15 adrc</a>1005    <ul class="toc-numbered-mark">1006      <li><a id="toc-Commands-3" href="#Commands-3">36.15.1 Commands</a></li>1007      <li><a id="toc-Examples-48" href="#Examples-48">36.15.2 Examples</a></li>1008    </ul></li>1009    <li><a id="toc-adynamicequalizer" href="#adynamicequalizer">36.16 adynamicequalizer</a>1010    <ul class="toc-numbered-mark">1011      <li><a id="toc-Commands-4" href="#Commands-4">36.16.1 Commands</a></li>1012    </ul></li>1013    <li><a id="toc-adynamicsmooth" href="#adynamicsmooth">36.17 adynamicsmooth</a>1014    <ul class="toc-numbered-mark">1015      <li><a id="toc-Commands-5" href="#Commands-5">36.17.1 Commands</a></li>1016    </ul></li>1017    <li><a id="toc-aecho" href="#aecho">36.18 aecho</a>1018    <ul class="toc-numbered-mark">1019      <li><a id="toc-Examples-49" href="#Examples-49">36.18.1 Examples</a></li>1020    </ul></li>1021    <li><a id="toc-aemphasis" href="#aemphasis">36.19 aemphasis</a>1022    <ul class="toc-numbered-mark">1023      <li><a id="toc-Commands-6" href="#Commands-6">36.19.1 Commands</a></li>1024    </ul></li>1025    <li><a id="toc-aeval" href="#aeval">36.20 aeval</a>1026    <ul class="toc-numbered-mark">1027      <li><a id="toc-Examples-50" href="#Examples-50">36.20.1 Examples</a></li>1028    </ul></li>1029    <li><a id="toc-aexciter" href="#aexciter">36.21 aexciter</a>1030    <ul class="toc-numbered-mark">1031      <li><a id="toc-Commands-7" href="#Commands-7">36.21.1 Commands</a></li>1032    </ul></li>1033    <li><a id="toc-afade-1" href="#afade-1">36.22 afade</a>1034    <ul class="toc-numbered-mark">1035      <li><a id="toc-Commands-8" href="#Commands-8">36.22.1 Commands</a></li>1036      <li><a id="toc-Examples-51" href="#Examples-51">36.22.2 Examples</a></li>1037    </ul></li>1038    <li><a id="toc-afftdn" href="#afftdn">36.23 afftdn</a>1039    <ul class="toc-numbered-mark">1040      <li><a id="toc-Commands-9" href="#Commands-9">36.23.1 Commands</a></li>1041      <li><a id="toc-Examples-52" href="#Examples-52">36.23.2 Examples</a></li>1042    </ul></li>1043    <li><a id="toc-afftfilt" href="#afftfilt">36.24 afftfilt</a>1044    <ul class="toc-numbered-mark">1045      <li><a id="toc-Examples-53" href="#Examples-53">36.24.1 Examples</a></li>1046    </ul></li>1047    <li><a id="toc-afir-1" href="#afir-1">36.25 afir</a>1048    <ul class="toc-numbered-mark">1049      <li><a id="toc-Examples-54" href="#Examples-54">36.25.1 Examples</a></li>1050    </ul></li>1051    <li><a id="toc-aformat-1" href="#aformat-1">36.26 aformat</a></li>1052    <li><a id="toc-afreqshift" href="#afreqshift">36.27 afreqshift</a>1053    <ul class="toc-numbered-mark">1054      <li><a id="toc-Commands-10" href="#Commands-10">36.27.1 Commands</a></li>1055    </ul></li>1056    <li><a id="toc-afwtdn" href="#afwtdn">36.28 afwtdn</a>1057    <ul class="toc-numbered-mark">1058      <li><a id="toc-Commands-11" href="#Commands-11">36.28.1 Commands</a></li>1059    </ul></li>1060    <li><a id="toc-agate" href="#agate">36.29 agate</a>1061    <ul class="toc-numbered-mark">1062      <li><a id="toc-Commands-12" href="#Commands-12">36.29.1 Commands</a></li>1063    </ul></li>1064    <li><a id="toc-aiir" href="#aiir">36.30 aiir</a>1065    <ul class="toc-numbered-mark">1066      <li><a id="toc-Examples-55" href="#Examples-55">36.30.1 Examples</a></li>1067    </ul></li>1068    <li><a id="toc-alimiter" href="#alimiter">36.31 alimiter</a></li>1069    <li><a id="toc-allpass" href="#allpass">36.32 allpass</a>1070    <ul class="toc-numbered-mark">1071      <li><a id="toc-Commands-13" href="#Commands-13">36.32.1 Commands</a></li>1072    </ul></li>1073    <li><a id="toc-aloop" href="#aloop">36.33 aloop</a></li>1074    <li><a id="toc-amerge-1" href="#amerge-1">36.34 amerge</a>1075    <ul class="toc-numbered-mark">1076      <li><a id="toc-Examples-56" href="#Examples-56">36.34.1 Examples</a></li>1077    </ul></li>1078    <li><a id="toc-amix" href="#amix">36.35 amix</a>1079    <ul class="toc-numbered-mark">1080      <li><a id="toc-Examples-57" href="#Examples-57">36.35.1 Examples</a></li>1081      <li><a id="toc-Commands-14" href="#Commands-14">36.35.2 Commands</a></li>1082    </ul></li>1083    <li><a id="toc-amultiply" href="#amultiply">36.36 amultiply</a></li>1084    <li><a id="toc-anequalizer" href="#anequalizer">36.37 anequalizer</a>1085    <ul class="toc-numbered-mark">1086      <li><a id="toc-Examples-58" href="#Examples-58">36.37.1 Examples</a></li>1087      <li><a id="toc-Commands-15" href="#Commands-15">36.37.2 Commands</a></li>1088    </ul></li>1089    <li><a id="toc-anlmdn" href="#anlmdn">36.38 anlmdn</a>1090    <ul class="toc-numbered-mark">1091      <li><a id="toc-Commands-16" href="#Commands-16">36.38.1 Commands</a></li>1092    </ul></li>1093    <li><a id="toc-anlmf_002c-anlms" href="#anlmf_002c-anlms">36.39 anlmf, anlms</a>1094    <ul class="toc-numbered-mark">1095      <li><a id="toc-Examples-59" href="#Examples-59">36.39.1 Examples</a></li>1096      <li><a id="toc-Commands-17" href="#Commands-17">36.39.2 Commands</a></li>1097    </ul></li>1098    <li><a id="toc-anull" href="#anull">36.40 anull</a></li>1099    <li><a id="toc-apad" href="#apad">36.41 apad</a>1100    <ul class="toc-numbered-mark">1101      <li><a id="toc-Examples-60" href="#Examples-60">36.41.1 Examples</a></li>1102    </ul></li>1103    <li><a id="toc-aphaser" href="#aphaser">36.42 aphaser</a></li>1104    <li><a id="toc-aphaseshift" href="#aphaseshift">36.43 aphaseshift</a>1105    <ul class="toc-numbered-mark">1106      <li><a id="toc-Commands-18" href="#Commands-18">36.43.1 Commands</a></li>1107    </ul></li>1108    <li><a id="toc-apsnr" href="#apsnr">36.44 apsnr</a></li>1109    <li><a id="toc-apsyclip" href="#apsyclip">36.45 apsyclip</a>1110    <ul class="toc-numbered-mark">1111      <li><a id="toc-Commands-19" href="#Commands-19">36.45.1 Commands</a></li>1112    </ul></li>1113    <li><a id="toc-apulsator" href="#apulsator">36.46 apulsator</a></li>1114    <li><a id="toc-aresample-1" href="#aresample-1">36.47 aresample</a>1115    <ul class="toc-numbered-mark">1116      <li><a id="toc-Examples-61" href="#Examples-61">36.47.1 Examples</a></li>1117    </ul></li>1118    <li><a id="toc-areverse" href="#areverse">36.48 areverse</a>1119    <ul class="toc-numbered-mark">1120      <li><a id="toc-Examples-62" href="#Examples-62">36.48.1 Examples</a></li>1121    </ul></li>1122    <li><a id="toc-arls" href="#arls">36.49 arls</a></li>1123    <li><a id="toc-arnndn" href="#arnndn">36.50 arnndn</a>1124    <ul class="toc-numbered-mark">1125      <li><a id="toc-Commands-20" href="#Commands-20">36.50.1 Commands</a></li>1126    </ul></li>1127    <li><a id="toc-asdr" href="#asdr">36.51 asdr</a></li>1128    <li><a id="toc-asetnsamples" href="#asetnsamples">36.52 asetnsamples</a></li>1129    <li><a id="toc-asetrate" href="#asetrate">36.53 asetrate</a></li>1130    <li><a id="toc-ashowinfo" href="#ashowinfo">36.54 ashowinfo</a></li>1131    <li><a id="toc-asisdr" href="#asisdr">36.55 asisdr</a></li>1132    <li><a id="toc-asoftclip" href="#asoftclip">36.56 asoftclip</a>1133    <ul class="toc-numbered-mark">1134      <li><a id="toc-Commands-21" href="#Commands-21">36.56.1 Commands</a></li>1135    </ul></li>1136    <li><a id="toc-aspectralstats" href="#aspectralstats">36.57 aspectralstats</a></li>1137    <li><a id="toc-asr" href="#asr">36.58 asr</a></li>1138    <li><a id="toc-astats-1" href="#astats-1">36.59 astats</a></li>1139    <li><a id="toc-asubboost" href="#asubboost">36.60 asubboost</a>1140    <ul class="toc-numbered-mark">1141      <li><a id="toc-Commands-22" href="#Commands-22">36.60.1 Commands</a></li>1142    </ul></li>1143    <li><a id="toc-asubcut" href="#asubcut">36.61 asubcut</a>1144    <ul class="toc-numbered-mark">1145      <li><a id="toc-Commands-23" href="#Commands-23">36.61.1 Commands</a></li>1146    </ul></li>1147    <li><a id="toc-asupercut" href="#asupercut">36.62 asupercut</a>1148    <ul class="toc-numbered-mark">1149      <li><a id="toc-Commands-24" href="#Commands-24">36.62.1 Commands</a></li>1150    </ul></li>1151    <li><a id="toc-asuperpass" href="#asuperpass">36.63 asuperpass</a>1152    <ul class="toc-numbered-mark">1153      <li><a id="toc-Commands-25" href="#Commands-25">36.63.1 Commands</a></li>1154    </ul></li>1155    <li><a id="toc-asuperstop" href="#asuperstop">36.64 asuperstop</a>1156    <ul class="toc-numbered-mark">1157      <li><a id="toc-Commands-26" href="#Commands-26">36.64.1 Commands</a></li>1158    </ul></li>1159    <li><a id="toc-atempo" href="#atempo">36.65 atempo</a>1160    <ul class="toc-numbered-mark">1161      <li><a id="toc-Examples-63" href="#Examples-63">36.65.1 Examples</a></li>1162      <li><a id="toc-Commands-27" href="#Commands-27">36.65.2 Commands</a></li>1163    </ul></li>1164    <li><a id="toc-atilt" href="#atilt">36.66 atilt</a>1165    <ul class="toc-numbered-mark">1166      <li><a id="toc-Commands-28" href="#Commands-28">36.66.1 Commands</a></li>1167    </ul></li>1168    <li><a id="toc-atrim" href="#atrim">36.67 atrim</a></li>1169    <li><a id="toc-axcorrelate" href="#axcorrelate">36.68 axcorrelate</a>1170    <ul class="toc-numbered-mark">1171      <li><a id="toc-Examples-64" href="#Examples-64">36.68.1 Examples</a></li>1172    </ul></li>1173    <li><a id="toc-bandpass" href="#bandpass">36.69 bandpass</a>1174    <ul class="toc-numbered-mark">1175      <li><a id="toc-Commands-29" href="#Commands-29">36.69.1 Commands</a></li>1176    </ul></li>1177    <li><a id="toc-bandreject" href="#bandreject">36.70 bandreject</a>1178    <ul class="toc-numbered-mark">1179      <li><a id="toc-Commands-30" href="#Commands-30">36.70.1 Commands</a></li>1180    </ul></li>1181    <li><a id="toc-bass_002c-lowshelf" href="#bass_002c-lowshelf">36.71 bass, lowshelf</a>1182    <ul class="toc-numbered-mark">1183      <li><a id="toc-Commands-31" href="#Commands-31">36.71.1 Commands</a></li>1184    </ul></li>1185    <li><a id="toc-biquad" href="#biquad">36.72 biquad</a>1186    <ul class="toc-numbered-mark">1187      <li><a id="toc-Commands-32" href="#Commands-32">36.72.1 Commands</a></li>1188    </ul></li>1189    <li><a id="toc-bs2b" href="#bs2b">36.73 bs2b</a></li>1190    <li><a id="toc-channelmap" href="#channelmap">36.74 channelmap</a>1191    <ul class="toc-numbered-mark">1192      <li><a id="toc-Examples-65" href="#Examples-65">36.74.1 Examples</a></li>1193    </ul></li>1194    <li><a id="toc-channelsplit" href="#channelsplit">36.75 channelsplit</a>1195    <ul class="toc-numbered-mark">1196      <li><a id="toc-Examples-66" href="#Examples-66">36.75.1 Examples</a></li>1197    </ul></li>1198    <li><a id="toc-chorus" href="#chorus">36.76 chorus</a>1199    <ul class="toc-numbered-mark">1200      <li><a id="toc-Examples-67" href="#Examples-67">36.76.1 Examples</a></li>

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