codekingpro/portable-devtools
114k
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 Mailing List FAQ8 </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 Mailing List FAQ17 </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-General-Questions" href="#General-Questions">1 General Questions</a>29 <ul class="toc-numbered-mark">30 <li><a id="toc-What-is-a-mailing-list_003f" href="#What-is-a-mailing-list_003f">1.1 What is a mailing list?</a></li>31 <li><a id="toc-What-type-of-questions-can-I-ask_003f" href="#What-type-of-questions-can-I-ask_003f">1.2 What type of questions can I ask?</a></li>32 <li><a id="toc-How-do-I-ask-a-question-or-send-a-message-to-a-mailing-list_003f-1" href="#How-do-I-ask-a-question-or-send-a-message-to-a-mailing-list_003f-1">1.3 How do I ask a question or send a message to a mailing list?</a></li>33 </ul></li>34 <li><a id="toc-Subscribing-_002f-Unsubscribing" href="#Subscribing-_002f-Unsubscribing">2 Subscribing / Unsubscribing</a>35 <ul class="toc-numbered-mark">36 <li><a id="toc-How-do-I-subscribe_003f-1" href="#How-do-I-subscribe_003f-1">2.1 How do I subscribe?</a></li>37 <li><a id="toc-How-do-I-unsubscribe_003f" href="#How-do-I-unsubscribe_003f">2.2 How do I unsubscribe?</a></li>38 </ul></li>39 <li><a id="toc-Moderation-Queue" href="#Moderation-Queue">3 Moderation Queue</a>40 <ul class="toc-numbered-mark">41 <li><a id="toc-Why-is-my-message-awaiting-moderator-approval_003f-1" href="#Why-is-my-message-awaiting-moderator-approval_003f-1">3.1 Why is my message awaiting moderator approval?</a></li>42 <li><a id="toc-How-long-does-it-take-for-my-message-in-the-moderation-queue-to-be-approved_003f" href="#How-long-does-it-take-for-my-message-in-the-moderation-queue-to-be-approved_003f">3.2 How long does it take for my message in the moderation queue to be approved?</a></li>43 <li><a id="toc-How-do-I-delete-my-message-in-the-moderation-queue_003f-1" href="#How-do-I-delete-my-message-in-the-moderation-queue_003f-1">3.3 How do I delete my message in the moderation queue?</a></li>44 </ul></li>45 <li><a id="toc-Archives" href="#Archives">4 Archives</a>46 <ul class="toc-numbered-mark">47 <li><a id="toc-Where-are-the-archives_003f-1" href="#Where-are-the-archives_003f-1">4.1 Where are the archives?</a></li>48 <li><a id="toc-How-do-I-reply-to-a-message-in-the-archives_003f" href="#How-do-I-reply-to-a-message-in-the-archives_003f">4.2 How do I reply to a message in the archives?</a></li>49 <li><a id="toc-How-do-I-search-the-archives_003f" href="#How-do-I-search-the-archives_003f">4.3 How do I search the archives?</a></li>50 </ul></li>51 <li><a id="toc-Other" href="#Other">5 Other</a>52 <ul class="toc-numbered-mark">53 <li><a id="toc-Is-there-an-alternative-to-the-mailing-list_003f" href="#Is-there-an-alternative-to-the-mailing-list_003f">5.1 Is there an alternative to the mailing list?</a></li>54 <li><a id="toc-What-is-top_002dposting_003f-1" href="#What-is-top_002dposting_003f-1">5.2 What is top-posting?</a></li>55 <li><a id="toc-What-is-the-message-size-limit_003f-1" href="#What-is-the-message-size-limit_003f-1">5.3 What is the message size limit?</a></li>56 <li><a id="toc-Where-can-I-upload-sample-files_003f" href="#Where-can-I-upload-sample-files_003f">5.4 Where can I upload sample files?</a></li>57 <li><a id="toc-Will-I-receive-spam-if-I-send-and_002for-subscribe-to-a-mailing-list_003f" href="#Will-I-receive-spam-if-I-send-and_002for-subscribe-to-a-mailing-list_003f">5.5 Will I receive spam if I send and/or subscribe to a mailing list?</a></li>58 <li><a id="toc-How-do-I-filter-mailing-list-messages_003f" href="#How-do-I-filter-mailing-list-messages_003f">5.6 How do I filter mailing list messages?</a></li>59 <li><a id="toc-How-do-I-disable-mail-delivery-without-unsubscribing_003f-1" href="#How-do-I-disable-mail-delivery-without-unsubscribing_003f-1">5.7 How do I disable mail delivery without unsubscribing?</a></li>60 <li><a id="toc-Why-is-the-mailing-list-munging-my-address_003f-1" href="#Why-is-the-mailing-list-munging-my-address_003f-1">5.8 Why is the mailing list munging my address?</a></li>61 </ul></li>62 <li><a id="toc-Rules-and-Etiquette" href="#Rules-and-Etiquette">6 Rules and Etiquette</a>63 <ul class="toc-numbered-mark">64 <li><a id="toc-What-are-the-rules-and-the-proper-etiquette_003f" href="#What-are-the-rules-and-the-proper-etiquette_003f">6.1 What are the rules and the proper etiquette?</a></li>65 </ul></li>66 <li><a id="toc-Help" href="#Help">7 Help</a>67 <ul class="toc-numbered-mark">68 <li><a id="toc-Why-am-I-not-receiving-any-messages_003f" href="#Why-am-I-not-receiving-any-messages_003f">7.1 Why am I not receiving any messages?</a></li>69 <li><a id="toc-Why-are-my-sent-messages-not-showing-up_003f" href="#Why-are-my-sent-messages-not-showing-up_003f">7.2 Why are my sent messages not showing up?</a></li>70 <li><a id="toc-Why-do-I-keep-getting-unsubscribed-from-ffmpeg_002ddevel_003f-1" href="#Why-do-I-keep-getting-unsubscribed-from-ffmpeg_002ddevel_003f-1">7.3 Why do I keep getting unsubscribed from ffmpeg-devel?</a></li>71 <li><a id="toc-Who-do-I-contact-if-I-have-a-problem-with-the-mailing-list_003f-1" href="#Who-do-I-contact-if-I-have-a-problem-with-the-mailing-list_003f-1">7.4 Who do I contact if I have a problem with the mailing list?</a></li>72 </ul></li>73</ul>74</div>75</div>76 77<a name="General-Questions"></a>78<h2 class="chapter">1 General Questions<span class="pull-right"><a class="anchor hidden-xs" href="#General-Questions" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-General-Questions" aria-hidden="true">TOC</a></span></h2>79 80<a name="What-is-a-mailing-list_003f"></a>81<h3 class="section">1.1 What is a mailing list?<span class="pull-right"><a class="anchor hidden-xs" href="#What-is-a-mailing-list_003f" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-What-is-a-mailing-list_003f" aria-hidden="true">TOC</a></span></h3>82 83<p>A mailing list is not much different than emailing someone, but the84main difference is that your message is received by everyone who85subscribes to the list. It is somewhat like a forum but in email form.86</p>87<p>See the <a class="url" href="https://lists.ffmpeg.org/pipermail/ffmpeg-user/">ffmpeg-user archives</a>88for examples.89</p>90<a name="What-type-of-questions-can-I-ask_003f"></a>91<h3 class="section">1.2 What type of questions can I ask?<span class="pull-right"><a class="anchor hidden-xs" href="#What-type-of-questions-can-I-ask_003f" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-What-type-of-questions-can-I-ask_003f" aria-hidden="true">TOC</a></span></h3>92 93<ul class="itemize mark-bullet">94<li><a class="url" href="https://lists.ffmpeg.org/mailman/listinfo/ffmpeg-user/">ffmpeg-user</a>:95For questions involving unscripted usage or compilation of the FFmpeg96command-line tools (<code class="command">ffmpeg</code>, <code class="command">ffprobe</code>, <code class="command">ffplay</code>).97 98</li><li><a class="url" href="https://lists.ffmpeg.org/mailman/listinfo/libav-user/">libav-user</a>:99For questions involving the FFmpeg libav* libraries (libavcodec,100libavformat, libavfilter, etc).101 102</li><li><a class="url" href="https://lists.ffmpeg.org/mailman/listinfo/ffmpeg-devel/">ffmpeg-devel</a>:103For discussions involving the development of FFmpeg and for submitting104patches. User questions should be asked at ffmpeg-user or libav-user.105</li></ul>106 107<p>To report a bug see <a class="url" href="https://ffmpeg.org/bugreports.html">https://ffmpeg.org/bugreports.html</a>.108</p>109<p>We cannot provide help for scripts and/or third-party tools.110</p>111<a class="anchor" id="How-do-I-ask-a-question-or-send-a-message-to-a-mailing-list_003f"></a><a name="How-do-I-ask-a-question-or-send-a-message-to-a-mailing-list_003f-1"></a>112<h3 class="section">1.3 How do I ask a question or send a message to a mailing list?<span class="pull-right"><a class="anchor hidden-xs" href="#How-do-I-ask-a-question-or-send-a-message-to-a-mailing-list_003f-1" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-How-do-I-ask-a-question-or-send-a-message-to-a-mailing-list_003f-1" aria-hidden="true">TOC</a></span></h3>113 114<p>First you must <a class="ref" href="#How-do-I-subscribe_003f">subscribe</a>. Then all you have to do is115send an email:116</p>117<ul class="itemize mark-bullet">118<li>Email <a class="email" href="mailto:ffmpeg-user@ffmpeg.org">ffmpeg-user@ffmpeg.org</a> to send a message to the119ffmpeg-user mailing list.120 121</li><li>Email <a class="email" href="mailto:libav-user@ffmpeg.org">libav-user@ffmpeg.org</a> to send a message to the122libav-user mailing list.123 124</li><li>Email <a class="email" href="mailto:ffmpeg-devel@ffmpeg.org">ffmpeg-devel@ffmpeg.org</a> to send a message to the125ffmpeg-devel mailing list.126</li></ul>127 128<a name="Subscribing-_002f-Unsubscribing"></a>129<h2 class="chapter">2 Subscribing / Unsubscribing<span class="pull-right"><a class="anchor hidden-xs" href="#Subscribing-_002f-Unsubscribing" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-Subscribing-_002f-Unsubscribing" aria-hidden="true">TOC</a></span></h2>130 131<a class="anchor" id="How-do-I-subscribe_003f"></a><a name="How-do-I-subscribe_003f-1"></a>132<h3 class="section">2.1 How do I subscribe?<span class="pull-right"><a class="anchor hidden-xs" href="#How-do-I-subscribe_003f-1" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-How-do-I-subscribe_003f-1" aria-hidden="true">TOC</a></span></h3>133 134<p>Email <a class="email" href="mailto:ffmpeg-user-request@ffmpeg.org">ffmpeg-user-request@ffmpeg.org</a> with the subject135<em class="emph">subscribe</em>.136</p>137<p>Or visit the <a class="url" href="https://lists.ffmpeg.org/mailman/listinfo/ffmpeg-user/">ffmpeg-user mailing list info page</a>138and refer to the <em class="emph">Subscribing to ffmpeg-user</em> section.139</p>140<p>The process is the same for the other mailing lists.141</p>142<a name="How-do-I-unsubscribe_003f"></a>143<h3 class="section">2.2 How do I unsubscribe?<span class="pull-right"><a class="anchor hidden-xs" href="#How-do-I-unsubscribe_003f" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-How-do-I-unsubscribe_003f" aria-hidden="true">TOC</a></span></h3>144 145<p>Email <a class="email" href="mailto:ffmpeg-user-request@ffmpeg.org">ffmpeg-user-request@ffmpeg.org</a> with subject <em class="emph">unsubscribe</em>.146</p>147<p>Or visit the <a class="url" href="https://lists.ffmpeg.org/mailman/listinfo/ffmpeg-user/">ffmpeg-user mailing list info page</a>,148scroll to bottom of page, enter your email address in the box, and click149the <em class="emph">Unsubscribe or edit options</em> button.150</p>151<p>The process is the same for the other mailing lists.152</p>153<p>Please avoid asking a mailing list admin to unsubscribe you unless you154are absolutely unable to do so by yourself. See <a class="ref" href="#Who-do-I-contact-if-I-have-a-problem-with-the-mailing-list_003f">Who do I contact if I have a problem with the mailing list?</a>155</p>156<p>Note that it is possible to temporarily halt message delivery (vacation mode).157See <a class="ref" href="#How-do-I-disable-mail-delivery-without-unsubscribing_003f">How do I disable mail delivery without unsubscribing?</a>158</p>159<a name="Moderation-Queue"></a>160<h2 class="chapter">3 Moderation Queue<span class="pull-right"><a class="anchor hidden-xs" href="#Moderation-Queue" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-Moderation-Queue" aria-hidden="true">TOC</a></span></h2>161<a class="anchor" id="Why-is-my-message-awaiting-moderator-approval_003f"></a><a name="Why-is-my-message-awaiting-moderator-approval_003f-1"></a>162<h3 class="section">3.1 Why is my message awaiting moderator approval?<span class="pull-right"><a class="anchor hidden-xs" href="#Why-is-my-message-awaiting-moderator-approval_003f-1" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-Why-is-my-message-awaiting-moderator-approval_003f-1" aria-hidden="true">TOC</a></span></h3>163 164<p>Some messages are automatically held in the <em class="emph">moderation queue</em> and165must be manually approved by a mailing list admin:166</p>167<p>These are:168</p>169<ul class="itemize mark-bullet">170<li>Messages that exceed the <a class="ref" href="#What-is-the-message-size-limit_003f">message size limit</a>.171 172</li><li>Messages from users whose accounts have been set with the <em class="emph">moderation flag</em>173(very rarely occurs, but may if a user repeatedly ignores the rules174or is abusive towards others).175</li></ul>176 177<a name="How-long-does-it-take-for-my-message-in-the-moderation-queue-to-be-approved_003f"></a>178<h3 class="section">3.2 How long does it take for my message in the moderation queue to be approved?<span class="pull-right"><a class="anchor hidden-xs" href="#How-long-does-it-take-for-my-message-in-the-moderation-queue-to-be-approved_003f" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-How-long-does-it-take-for-my-message-in-the-moderation-queue-to-be-approved_003f" aria-hidden="true">TOC</a></span></h3>179 180<p>The queue is not checked on a regular basis. You can ask on the181<code class="t">#ffmpeg-devel</code> IRC channel on Libera Chat for someone to approve your message.182</p>183<a class="anchor" id="How-do-I-delete-my-message-in-the-moderation-queue_003f"></a><a name="How-do-I-delete-my-message-in-the-moderation-queue_003f-1"></a>184<h3 class="section">3.3 How do I delete my message in the moderation queue?<span class="pull-right"><a class="anchor hidden-xs" href="#How-do-I-delete-my-message-in-the-moderation-queue_003f-1" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-How-do-I-delete-my-message-in-the-moderation-queue_003f-1" aria-hidden="true">TOC</a></span></h3>185 186<p>You should have received an email with the subject <em class="emph">Your message to <mailing list name> awaits moderator approval</em>.187A link is in the message that will allow you to delete your message188unless a mailing list admin already approved or rejected it.189</p>190<a name="Archives"></a>191<h2 class="chapter">4 Archives<span class="pull-right"><a class="anchor hidden-xs" href="#Archives" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-Archives" aria-hidden="true">TOC</a></span></h2>192 193<a class="anchor" id="Where-are-the-archives_003f"></a><a name="Where-are-the-archives_003f-1"></a>194<h3 class="section">4.1 Where are the archives?<span class="pull-right"><a class="anchor hidden-xs" href="#Where-are-the-archives_003f-1" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-Where-are-the-archives_003f-1" aria-hidden="true">TOC</a></span></h3>195 196<p>See the <em class="emph">Archives</em> section on the <a class="url" href="https://ffmpeg.org/contact.html">FFmpeg Contact</a>197page for links to all FFmpeg mailing list archives.198</p>199<p>Note that the archives are split by month. Discussions that span200several months will be split into separate months in the archives.201</p>202<a name="How-do-I-reply-to-a-message-in-the-archives_003f"></a>203<h3 class="section">4.2 How do I reply to a message in the archives?<span class="pull-right"><a class="anchor hidden-xs" href="#How-do-I-reply-to-a-message-in-the-archives_003f" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-How-do-I-reply-to-a-message-in-the-archives_003f" aria-hidden="true">TOC</a></span></h3>204 205<p>Click the email link at the top of the message just under the subject206title. The link will provide the proper headers to keep the message207within the thread.208</p>209<p>Note that you must be subscribed to send a message to the ffmpeg-user or210libav-user mailing lists.211</p>212<a name="How-do-I-search-the-archives_003f"></a>213<h3 class="section">4.3 How do I search the archives?<span class="pull-right"><a class="anchor hidden-xs" href="#How-do-I-search-the-archives_003f" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-How-do-I-search-the-archives_003f" aria-hidden="true">TOC</a></span></h3>214 215<p>Perform a site search using your favorite search engine. Example:216</p>217<p><code class="t">site:lists.ffmpeg.org/pipermail/ffmpeg-user/ "search term"</code>218</p>219<a name="Other"></a>220<h2 class="chapter">5 Other<span class="pull-right"><a class="anchor hidden-xs" href="#Other" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-Other" aria-hidden="true">TOC</a></span></h2>221 222<a name="Is-there-an-alternative-to-the-mailing-list_003f"></a>223<h3 class="section">5.1 Is there an alternative to the mailing list?<span class="pull-right"><a class="anchor hidden-xs" href="#Is-there-an-alternative-to-the-mailing-list_003f" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-Is-there-an-alternative-to-the-mailing-list_003f" aria-hidden="true">TOC</a></span></h3>224 225<p>You can ask for help in the official <code class="t">#ffmpeg</code> IRC channel on Libera Chat.226</p>227<p>There are also numerous third-party help sites such as228<a class="url" href="https://superuser.com/tags/ffmpeg">Super User</a> and229<a class="url" href="https://www.reddit.com/r/ffmpeg/">r/ffmpeg on reddit</a>.230</p>231<a class="anchor" id="What-is-top_002dposting_003f"></a><a name="What-is-top_002dposting_003f-1"></a>232<h3 class="section">5.2 What is top-posting?<span class="pull-right"><a class="anchor hidden-xs" href="#What-is-top_002dposting_003f-1" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-What-is-top_002dposting_003f-1" aria-hidden="true">TOC</a></span></h3>233 234<p>See <a class="url" href="https://en.wikipedia.org/wiki/Posting_style#Top-posting">https://en.wikipedia.org/wiki/Posting_style#Top-posting</a>.235</p>236<p>Instead, use trimmed interleaved/inline replies (<a class="url" href="https://lists.ffmpeg.org/pipermail/ffmpeg-user/2017-April/035849.html">example</a>).237</p>238<a class="anchor" id="What-is-the-message-size-limit_003f"></a><a name="What-is-the-message-size-limit_003f-1"></a>239<h3 class="section">5.3 What is the message size limit?<span class="pull-right"><a class="anchor hidden-xs" href="#What-is-the-message-size-limit_003f-1" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-What-is-the-message-size-limit_003f-1" aria-hidden="true">TOC</a></span></h3>240 241<p>The message size limit is 1000 kilobytes. Please provide links to larger files242instead of attaching them.243</p>244<a name="Where-can-I-upload-sample-files_003f"></a>245<h3 class="section">5.4 Where can I upload sample files?<span class="pull-right"><a class="anchor hidden-xs" href="#Where-can-I-upload-sample-files_003f" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-Where-can-I-upload-sample-files_003f" aria-hidden="true">TOC</a></span></h3>246 247<p>Anywhere that is not too annoying for us to use.248</p>249<p>Google Drive and Dropbox are acceptable if you need a file host, and250<a class="url" href="https://0x0.st/">0x0.st</a> is good for files under 256 MiB.251</p>252<p>Small, short samples are preferred if possible.253</p>254<a name="Will-I-receive-spam-if-I-send-and_002for-subscribe-to-a-mailing-list_003f"></a>255<h3 class="section">5.5 Will I receive spam if I send and/or subscribe to a mailing list?<span class="pull-right"><a class="anchor hidden-xs" href="#Will-I-receive-spam-if-I-send-and_002for-subscribe-to-a-mailing-list_003f" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-Will-I-receive-spam-if-I-send-and_002for-subscribe-to-a-mailing-list_003f" aria-hidden="true">TOC</a></span></h3>256 257<p>Highly unlikely.258</p>259<ul class="itemize mark-bullet">260<li>The list of subscribed users is not public.261 262</li><li>Email addresses in the archives are obfuscated.263 264</li><li>Several unique test email accounts were utilized and none have yet265received any spam.266</li></ul>267 268<p>However, you may see a spam in the mailing lists on rare occasions:269</p>270<ul class="itemize mark-bullet">271<li>Spam in the moderation queue may be accidentally approved due to human272error.273 274</li><li>There have been a few messages from subscribed users who had their own275email addresses hacked and spam messages from (or appearing to be from)276the hacked account were sent to their contacts (a mailing list being a277contact in these cases).278 279</li><li>If you are subscribed to the bug tracker mailing list (ffmpeg-trac) you280may see the occasional spam as a false bug report, but we take measures281to try to prevent this.282</li></ul>283 284<a name="How-do-I-filter-mailing-list-messages_003f"></a>285<h3 class="section">5.6 How do I filter mailing list messages?<span class="pull-right"><a class="anchor hidden-xs" href="#How-do-I-filter-mailing-list-messages_003f" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-How-do-I-filter-mailing-list-messages_003f" aria-hidden="true">TOC</a></span></h3>286 287<p>Use the <em class="emph">List-Id</em>. For example, the ffmpeg-user mailing list is288<code class="t">ffmpeg-user.ffmpeg.org</code>. You can view the List-Id in the raw message289or headers.290</p>291<p>You can then filter the mailing list messages to their own folder.292</p>293<a class="anchor" id="How-do-I-disable-mail-delivery-without-unsubscribing_003f"></a><a name="How-do-I-disable-mail-delivery-without-unsubscribing_003f-1"></a>294<h3 class="section">5.7 How do I disable mail delivery without unsubscribing?<span class="pull-right"><a class="anchor hidden-xs" href="#How-do-I-disable-mail-delivery-without-unsubscribing_003f-1" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-How-do-I-disable-mail-delivery-without-unsubscribing_003f-1" aria-hidden="true">TOC</a></span></h3>295 296<p>Sometimes you may want to temporarily stop receiving all mailing list297messages. This "vacation mode" is simple to do:298</p>299<ol class="enumerate">300<li> Go to the <a class="url" href="https://lists.ffmpeg.org/mailman/listinfo/ffmpeg-user/">ffmpeg-user mailing list info page</a>301 302</li><li> Enter your email address in the box at very bottom of the page and click the303<em class="emph">Unsubscribe or edit options</em> box.304 305</li><li> Enter your password and click the <em class="emph">Log in</em> button.306 307</li><li> Look for the <em class="emph">Mail delivery</em> option. Here you can disable/enable mail308delivery. If you check <em class="emph">Set globally</em> it will apply your choice to all309other FFmpeg mailing lists you are subscribed to.310</li></ol>311 312<p>Alternatively, from your subscribed address, send a message to <a class="email" href="mailto:ffmpeg-user-request@ffmpeg.org">ffmpeg-user-request@ffmpeg.org</a>313with the subject <em class="emph">set delivery off</em>. To re-enable mail delivery send a314message to <a class="email" href="mailto:ffmpeg-user-request@ffmpeg.org">ffmpeg-user-request@ffmpeg.org</a> with the subject315<em class="emph">set delivery on</em>.316</p>317<a class="anchor" id="Why-is-the-mailing-list-munging-my-address_003f"></a><a name="Why-is-the-mailing-list-munging-my-address_003f-1"></a>318<h3 class="section">5.8 Why is the mailing list munging my address?<span class="pull-right"><a class="anchor hidden-xs" href="#Why-is-the-mailing-list-munging-my-address_003f-1" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-Why-is-the-mailing-list-munging-my-address_003f-1" aria-hidden="true">TOC</a></span></h3>319 320<p>This is due to subscribers that use an email service with a DMARC reject policy321which adds difficulties to mailing list operators.322</p>323<p>The mailing list must re-write (munge) the <em class="emph">From:</em> header for such users;324otherwise their email service will reject and bounce the message resulting in325automatic unsubscribing from the mailing list.326</p>327<p>When sending a message these users will see <em class="emph">via <mailing list name></em>328added to their name and the <em class="emph">From:</em> address munged to the address of329the particular mailing list.330</p>331<p>If you want to avoid this then please use a different email service.332</p>333<p>Note that ffmpeg-devel does not apply any munging as it causes issues with334patch authorship. As a result users with an email service with a DMARC reject335policy may be automatically unsubscribed due to rejected and bounced messages.336</p>337<a name="Rules-and-Etiquette"></a>338<h2 class="chapter">6 Rules and Etiquette<span class="pull-right"><a class="anchor hidden-xs" href="#Rules-and-Etiquette" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-Rules-and-Etiquette" aria-hidden="true">TOC</a></span></h2>339 340<a name="What-are-the-rules-and-the-proper-etiquette_003f"></a>341<h3 class="section">6.1 What are the rules and the proper etiquette?<span class="pull-right"><a class="anchor hidden-xs" href="#What-are-the-rules-and-the-proper-etiquette_003f" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-What-are-the-rules-and-the-proper-etiquette_003f" aria-hidden="true">TOC</a></span></h3>342 343<p>There may seem to be many things to remember, but we want to help and344following these guidelines will allow you to get answers more quickly345and help avoid getting ignored.346</p>347<ul class="itemize mark-bullet">348<li>Always show your actual, unscripted <code class="command">ffmpeg</code> command and the349complete, uncut console output from your command.350 351</li><li>Use the most simple and minimal command that still shows the issue you352are encountering.353 354</li><li>Provide all necessary information so others can attempt to duplicate355your issue. This includes the actual command, complete uncut console356output, and any inputs that are required to duplicate the issue.357 358</li><li>Use the latest <code class="command">ffmpeg</code> build you can get. See the <a class="url" href="https://ffmpeg.org/download.html">FFmpeg Download</a>359page for links to recent builds for Linux, macOS, and Windows. Or360compile from the current git master branch.361 362</li><li>Avoid <a class="url" href="https://en.wikipedia.org/wiki/Posting_style#Top-posting">top-posting</a>.363Also see <a class="ref" href="#What-is-top_002dposting_003f">What is top-posting?</a>364 365</li><li>Avoid hijacking threads. Thread hijacking is replying to a message and366changing the subject line to something unrelated to the original thread.367Most email clients will still show the renamed message under the368original thread. This can be confusing and these types of messages are369often ignored.370 371</li><li>Do not send screenshots. Copy and paste console text instead of making372screenshots of the text.373 374</li><li>Avoid sending email disclaimers and legalese if possible as this is a375public list.376 377</li><li>Avoid using the <code class="code">-loglevel debug</code>, <code class="code">-loglevel quiet</code>, and378<code class="command">-hide_banner</code> options unless requested to do so.379 380</li><li>If you attach files avoid compressing small files. Uncompressed is381preferred.382 383</li><li>Please do not send HTML-only messages. The mailing list will ignore the384HTML component of your message. Most mail clients will automatically385include a text component: this is what the mailing list will use.386 387</li><li>Configuring your mail client to break lines after 70 or so characters is388recommended.389 390</li><li>Avoid sending the same message to multiple mailing lists.391 392</li><li>Please follow our <a class="url" href="https://ffmpeg.org/community.html#Code-of-Conduct">Code of Conduct</a>.393</li></ul>394 395<a name="Help"></a>396<h2 class="chapter">7 Help<span class="pull-right"><a class="anchor hidden-xs" href="#Help" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-Help" aria-hidden="true">TOC</a></span></h2>397 398<a name="Why-am-I-not-receiving-any-messages_003f"></a>399<h3 class="section">7.1 Why am I not receiving any messages?<span class="pull-right"><a class="anchor hidden-xs" href="#Why-am-I-not-receiving-any-messages_003f" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-Why-am-I-not-receiving-any-messages_003f" aria-hidden="true">TOC</a></span></h3>400 401<p>Some email providers have blacklists or spam filters that block or mark402the mailing list messages as false positives. Unfortunately, the user is403often not aware of this and is often out of their control.404</p>405<p>When possible we attempt to notify the provider to be removed from the406blacklists or filters.407</p>408<a name="Why-are-my-sent-messages-not-showing-up_003f"></a>409<h3 class="section">7.2 Why are my sent messages not showing up?<span class="pull-right"><a class="anchor hidden-xs" href="#Why-are-my-sent-messages-not-showing-up_003f" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-Why-are-my-sent-messages-not-showing-up_003f" aria-hidden="true">TOC</a></span></h3>410 411<p>Excluding <a class="ref" href="#Why-is-my-message-awaiting-moderator-approval_003f">messages that are held in the moderation queue</a>412there are a few other reasons why your messages may fail to appear:413</p>414<ul class="itemize mark-bullet">415<li>HTML-only messages are ignored by the mailing lists. Most mail clients416automatically include a text component alongside HTML email: this is what417the mailing list will use. If it does not then consider your client to be418broken, because sending a text component along with the HTML component to419form a multi-part message is recommended by email standards.420 421</li><li>Check your spam folder.422</li></ul>423 424<a class="anchor" id="Why-do-I-keep-getting-unsubscribed-from-ffmpeg_002ddevel_003f"></a><a name="Why-do-I-keep-getting-unsubscribed-from-ffmpeg_002ddevel_003f-1"></a>425<h3 class="section">7.3 Why do I keep getting unsubscribed from ffmpeg-devel?<span class="pull-right"><a class="anchor hidden-xs" href="#Why-do-I-keep-getting-unsubscribed-from-ffmpeg_002ddevel_003f-1" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-Why-do-I-keep-getting-unsubscribed-from-ffmpeg_002ddevel_003f-1" aria-hidden="true">TOC</a></span></h3>426 427<p>Users with an email service that has a DMARC reject or quarantine policy may be428automatically unsubscribed from the ffmpeg-devel mailing list due to the mailing429list messages being continuously rejected and bounced back.430</p>431<p>Consider using a different email service.432</p>433<a class="anchor" id="Who-do-I-contact-if-I-have-a-problem-with-the-mailing-list_003f"></a><a name="Who-do-I-contact-if-I-have-a-problem-with-the-mailing-list_003f-1"></a>434<h3 class="section">7.4 Who do I contact if I have a problem with the mailing list?<span class="pull-right"><a class="anchor hidden-xs" href="#Who-do-I-contact-if-I-have-a-problem-with-the-mailing-list_003f-1" aria-hidden="true">#</a> <a class="anchor hidden-xs"href="#toc-Who-do-I-contact-if-I-have-a-problem-with-the-mailing-list_003f-1" aria-hidden="true">TOC</a></span></h3>435 436<p>Send a message to <a class="email" href="mailto:ffmpeg-user-owner@ffmpeg.org">ffmpeg-user-owner@ffmpeg.org</a>.437</p>438 <p style="font-size: small;">439 This document was generated using <a class="uref" href="https://www.gnu.org/software/texinfo/"><em class="emph">makeinfo</em></a>.440 </p>441 </div>442 </body>443</html>444 