Ffmpeg js

ffmpeg js $ npm install @ffmpeg/ffmpeg As we are using the latest experimental features, you need to add few flags to run in Node. If an FFMPEG option is available we recommend you try that first as it will often be faster and include audio support. Download Integrating Intel® Media SDK with FFmpeg for mux/demuxing and audio encode/decode usages (PDF 568KB) Download Source Code. In this blog post, I FFmpeg is the leading multimedia framework, able to decode, encode, transcode, mux, demux, stream, filter and play pretty much anything that humans and machines have created. Designed to be intuitive, the command-line interface (ffmpeg) tries to figure out all the parameters, when possible. js では WebWorker で動作させるために、前後に JavaScript のコードで挟んでおりますが、同様にして `emcc` を利用してコンパイルしております。 Jul 29, 2020 · Notice how ffmpeg saves the recording as a . rm -rf ~/ffmpeg_build ~/ffmpeg_sources ~/bin/{ffmpeg,ffprobe,ffserver,vsyasm,x264,yasm,ytasm} sudo apt-get autoremove autoconf automake build-essential git libass-dev libgpac-dev \ libmp3lame-dev libopus-dev libsdl1. Since ffmpeg is a command line utility, automating almost anything with video is reasonably easy if you take the time to learn the tool! Encode h. 1 Jul 2015 My recommended tools, ffmpeg and Bento4, are both free and DASH client implemented in JavaScript such as Shaka Player or dash. ffmpeg, This library abstracts the complex command-line usage of ffmpeg into a fluent, easy to use node. js with the saveCanvas() function, the documentation suggests considering a third-party library like CCapture. ffmpeg - install and add to your system environment; ffmpeg-static - to install FFmpeg via npm; Faster encryption packages sodium (best performance) libsodium-wrappers asm. js, Plugin Jul 09, 2019 · FFmpeg Encoders has been merged into StreamFX! All the encoders are now available by simply installing the latest version of StreamFX and removing the currently installed FFmpeg Encoders plugin. It basically builds ffmpeg (with a good set of defaults to keep the size small — as small as it can be). Usually ffmpeg has one input file and one output file, but when we want to create a video from a set of image then we have a set of input files. Jan 14, 2020 · FFmpeg is an extremely powerful and versatile command-line tool for converting audio and video files. FFmpeg is one the free and open source cross-platform solution for converting, recording and streaming media. It can be used to do most of our multimedia tasks quickly and easily say, audio compression, audio/video format conversion, extract images from a video and a lot more. I have referred this link May 11, 2017 · For those who don't know, FFmpeg is one of the best multimedia framework that can be used to encode, decode, transcode, mux, demux, record, stream, filter, and play any type of media files. It also provides FFmpeg-PHP emulation in pure PHP so you do not need to compile and install the module. Jul 22, 2019 · FFMPEG is a free command-line utility that serves as the engine for most of the largest cloud encoding farms in the world, public and private. When using ffmpeg to compress a video, I recommend using the libx264 codec, from experience it has given me excellent quality for small video sizes. 2-dev libtheora-dev libtool libva-dev libvdpau-dev \ libvorbis-dev libvpx-dev libx11-dev libxext-dev libxfixes-dev texi2html See FFmpeg's device documentation for more information on which source and parameters to use. It optionally supports mathematical extensions such as big decimal floating point numbers (BigDecimal), big binary floating point numbers (BigFloat) and operator overloading. js Or, using a script tag in the browser (only works in Chrome): Introduction to Voice Voice in discord. This method also allows you to extract audio May 14, 2015 · My favorite A/V utility, ffmpeg, allows you to merge an audio file and a video file into one brilliant piece of art: ffmpeg -i video. Aug 06, 2017 · FFMpeg doesn’t have a built-in crossfade filter for video, but there are different ways to get this effect with built-in filters. It is the same syntax supported by the C printf function, but only formats accepting a normal integer are suitable. 8 and newer, available from Check the version of FFmpeg installed on your RHEL/CentOS system using the command. FFmpeg is a free and open-source software project consisting of a large suite of libraries and programs for handling video, audio, and other multimedia files and streams. Software Description: - ffmpeg: Tools for transcoding, streaming and playing of multimedia files Details: It was discovered that FFmpeg incorrectly verified empty audio packets or HEVC data. In the last step, the file is assembled again by stuffing all encoded chunks files into a new container, without re-encoding. I had installed ffmpeg a while ago (so don't clearly remember whether it was from source or repo). For ease of use, you can use free extensions like Video DownloadHelper available for both Chrome and Firefox to grab the M3U8 file. video can be any container with at least one audio and one video stream that can be decoded by ffmpeg, Create the audio using: ffmpeg -i in. Hope someone finds this helpful, and if there is an even better way to achieve the same results (which I’m sure there is), do let me know in the comments. js package to perform the single pass, double pass ebu R128 normalization without having to install ffmpeg or any other dependencies. With FFmpeg, you can convert between various video and audio formats, set sample rates, capture streaming audio/video, and resize videos. js why am I even bringing up Amazon Services? It just makes sense that if you are going to be  Build a Video Converter Application in Node. Cambozola is an applet that can show M-JPEG streams in Java-enabled FFmpeg is a complete, cross-platform solution to record, convert and stream audio and video. js a shot (still curious to try TouchDesigner!) While it's straightforward to save a still image from p5. Aug 02, 2019 · FFmpeg is a great tool for video processing, it basically allows us to manipulate videos any way we like. ffmpeg is a framework and most of the encoders and almost all of the decoders are built-in (in libavcodec). In order to be able to use this module, make  3 Mar 2017 This entire blog post is about FFMPEG and Node. To improve your experience, we use cookies to remember log-in details and provide secure log-in, collect statistics to optimize site functionality, and deliver content tailored to your interests. We would use parameters UseShellExecute = false and CreateNoWindow = true so that the command line window does not show up. Sep 21, 2010 · Introduction In this post, we will see how you can use FFmpeg libraries in your application and decode movie files. FFmpegis a complete, cross platform command line tool capable of recording, converting and streaming digital audio and video in various formats. It is completely free multimedia framework that works on almost all operating systems, including Linux, Mac OS X, Microsoft Windows, the BSDs, Solaris, etc. But don’t worry, I was there not too long ago, and now I’ll try explain as thoroughly as I can how to install it and start using it. 7MB MP4! ← Space Creatures JavaScript Promises and Errors → Installing FFmpeg with Intel® Media Quick Sync Video (Intel® QSV) hardware acceleration support Where to get FFmpeg with Intel® Quick Sync Video (Intel® QSV) updates Support for _qsv codecs is included in FFmpeg 2. js, you can use voice by connecting to a VoiceChannel to obtain a VoiceConnection, where you can start streaming and receiving audio. ts If you wish to alter the codecs of the input file simply add the required settings in place of -codec copy , I believe that H. Adding a dynamically positioned watermark to a video via ffmpeg but that don't work to create logo at random corner locations all the four outputs in code mentioned in above link are suppose to create four empty movie with watermark at four different corners but they are same code and not generating such videos Mar 06, 2019 · FFmpeg is one of the best multimedia frameworks that contains various tools for different tasks. 1_1,1: ALSA=off: ALSA audio architecture support AMR_NB=off: AMR Narrow Band audio support (opencore) AMR_WB=off: AMR Wide Band audio support (opencore) AOM=on: AV1 video encoding/decoding via libaom ASM=on: Use optimized assembly code ASS=on: Subtitles rendering via libass BS2B=off: Bauer Stereophonic The swri_audio_convert function in audioconvert. Other browsers, such as Internet Explorer can display M-JPEG streams with the help of external plugins. js, Round 1 In the era of HD home-videos on YouTube, our current delivery method for online classes in low Ringtone conversion using ffmpeg ffmpeg -i foo. Because of software patents, Audacity cannot include the FFmpeg software or distribute it from its own websites. Video files are not uploaded to the server, saving time, saving bandwidth, and ensuring that video data is not stolen. Connecting to your Onvif IP camera* Try the following connection options in iSpy or Agent to connect to your Onvif IP camera. While I think some of the posters here have valid points regarding performance, merely being able  4 Jun 2020 There are two implementations searched in GitHub: Using C + + plug-ins to achieve ffmpeg. The ffmpeg has many more options, see -h option to get full help or, even better, run the following man command: NW. js"); Jun 05, 2017 · FFmpeg is a powerful tool that can do almost anything you can imagine with multimedia files. FFmpeg command line interface is designed to be intuitive, in the sense that FFmpeg tries to figure out all parameters that can possibly be derived automatically. I did a quick test this evening with a custom RTSP decoding node, based on FFMPEG: Seems to be working fine. Apr 14, 2017 · FFMPEG also doesn't have the (relatively) easy-to-read syntax of an AVISynth script, and definitely lacks the versatility of the insane range of plugins available for the latter. Whether you want to join two video files, extract the audio component from a video file, convert your video into an animated GIF, FFmpeg can do it all and even more. Aug 08, 2020 · FFMPEG is a major multimedia framework, able to decode, encode, transcode, mux, demux, stream, filter and play various audio and video files in different formats. FFmpeg is a command line tool that comes with a highly complex set of options available to pass as both input and output parameters. Aug 09, 2020 · npm install ffmpeg-static --save Additionally, there have been reports that playing audio in this way from the Ubuntu subsystem offered by Windows 10 does not work. At its core is the FFmpeg program itself, designed for command-line-based processing of video and audio files, and widely used for format transcoding, basic editing (trimming and concatenation), video scaling, video post FFmpeg is a binary program and a great example use case for a layer as managing the binary falls outside the responsibility of your runtime’s packaging system. Jan 23, 2017 · FFmpeg is an open-source multimedia framework which provides powerful multimedia handling capabilities to the developers, content owners and publishers. Directly underneath "TO DOWNLOAD Lame and FFmpeg for Windows, click links BELOW:", left-click the link ffmpeg-win-2. w - Width of the rectangle that we want to crop from the Jul 30, 2020 · Create mp4 video from set of images in the browser client side, using ffmpeg. mp4" Am I missing or overlooking something in the ffmpeg help? or doing something blatantly stupid? All of the audio was recorded at different distances (and therefore, levels), so the normalization is absolutely necessary. 265 (better in that it compresses more for the same quality, or gives higher quality for the same size). big web app? compile it Compile ffmpeg libs on Windows with Visual Studio compiler 30 Jun 2015 by Marco Pracucci Comments. Dec 09, 2019 · FFmpeg is the leading multimedia framework, able to decode, encode, transcode, mux, demux, stream, filter and play pretty much anything that humans and machines have created. This modified text is an extract of the original Stack Overflow Documentation created by following contributors and released under CC BY-SA 3. I am currently looking for a new project as an Audio/Video software engineer or project manager and it was a nice break away from interviews. Nov 25, 2019 · Created in 2000, FFmpeg is a free and open-source collection of tools and libraries that allows users to record, convert, and stream video and audio in a multitude of formats. FFmpeg is also used for converting media files to different formats, resize video, change sample rates for video and audio files. The "map" parameter has to be modified in such a way that the input video stream is routed to the video encoder and the input audio stream is routed to the audio encoder. It contains a set of shared audio and video libraries such as libavcodec, libavformat, and libavutil. Media files Aug 07, 2020 · In essence, FFmpeg is a program for converting, recording, splicing, editing, playing, encoding, muxing, demuxing, and streaming multimedia files. js-umd 27 Aug 2017 The non-easy way is to read the pixel values from the canvas element and encode them as WebP. JS uses his own library? I don't really care what you think, but if you want to leave feedback do so in t Using ffmpeg-normalize. js using FFmpeg By Chris Coulson on June 14th, 2012 I recently added a video player to a client’s site. on the users machine rather than your server, there are a number of projects which provide an  15. For this to work you need a decently current FFmpeg release (this article Jul 27, 2016 · By default ffmpeg only extracts the best video and best audio stream it can find. The cleanest way to force I-frame positions using FFmpeg is to use the -x264opts ‘keyint=24:min-keyint=24:no-scenecut’ argument. If you continue to read […] FFmpeg is the leading multimedia framework, able to decode, encode, transcode, mux, demux, stream, filter and play pretty much anything that humans and machines have created. js server using fluent-ffmpeg by passing the location of the file as a string and transcoding it to mp3. This article will describe you to how to install FFmpeg on Fedora 31/30/29/28/27/26/25 systems using DNF. Jul 12, 2017 · We can see the fragment of code responsible for downloading the ffmpeg application: The main goal of the malware authors is to spy on user’s banking activities. js), which is really nice as you can run “ffmpeg –whatever” by just posting a message to the worker, and get the status/result via messages posted backed to the caller via Worker. Nov 15, 2013 · FFmpeg is a part of most standard desktop Linux distributions, and can easily be downloaded for other systems. 3-2): BLOCKED: Rejected/violates migration policy/introduces a regression Issues preventing migration: autopkgtest for aiscm: amd64 : Test in progress Nov 02, 2012 · Streaming WebM to display in browser with HTML5 is currently quite problematic - none of the well-known streaming servers support WebM at the moment. Jan 10, 2014 · Today, Libav is at 413 fixes and the library is slowly but surely catching up with FFmpeg. js is integrated with RecordRTC by Gregory McGee! Record audio/ video and convert/merge into "mp4"! Record 15 Nov 2013 This is fantastic. deb” its from mx-linux, it’s a fantastic script for filling in missing repository keys within ubuntu, etc. 6 Oct 2015 ffmpeg-node documentation, tutorials, reviews, alternatives, versions, dependencies, community, and Node. mp4 User interfaces and apps are awesome when doing work manually but aren't always great to automate. If you don't already know, FFmpeg is a free, open source, and powerful cross-platform multimedia framework able to record, convert, and stream audio and video. This class is a wrapper around the FFmpeg, FLVTools2 and Mencoder programs to allow PHP developers to manipulate and convert video files. Jan 31, 2013 · FFmpeg is a complete, cross-platform solution to record, convert and stream audio and video. The ffmpeg command used to get information of a video is: Ffmpeg –i <inputFileName> I have a video named “ffmpeg_macdonald. js project, so we started our fork and modified it to compile only the parts we needed, and in a way that we can feed it H264 data directly as byte arrays from Javascript I also managed to sort out building ffmpeg. Video Converter is a port of the FFmpeg project that allows audio/video conversion and processing in JavaScript. If FFmpeg is missing you can easily install it right from the same terminal by typing: sudo apt-get install ffmpeg. I was suggested to use gstreamer, but its not possible because of my file names not being in 00000 000001 000002 format, but rather date format. Given all of the awesome things that FFMpeg does, injecting metadata into a file doesn’t sound that impressive – but it’s an important task…and one that I struggled with a bit! A complete, cross-platform solution to record, convert and stream audio and video. Just rebuild your Node Project so that your Node_Module will generate the targeted dependencies and bundle it at one place. If you are running Linux and already have ffmpeg installed, you can find your installation path by running this command from the terminal. Bonne soirée !-Edité par RaphaelBouquillon 12 novembre 2019 à 21:33:52 Mar 29, 2020 · Open your browser and download the FFmpeg libraries for your Audacity. js Front-End Dev to build re-designed Front-End Web App Screens (1-2 WEEKS PROJECT) ($1500-3000 USD) web application -- 5 (₹1500-12500 INR) I've been following this answer to use ffmpeg to convert and play some of my Audible audio-books in LinuxMint. In javascript ,  Хотя конечной целью этой части и является создание ffmpeg. But it also performs many simple and essential tasks that crop up in a studio or encoding facility, particularly if you do performance or benchmark testing. For example the ffplay is a portable media player that can be used to play audio/video files, ffmpeg can convert between different file formats, ffserver can be used to stream live broadcasts and ffprobe is able to analyze multimedia stream. ffmpeg reads from an arbitrary number of input “files” and writes to an arbitrary number of output “files”, which are specified by a plain output url. 2013 FFmpeg dürfte vielen Open-Source-Liebhabern bekannt sein, die schon einmal mit Videoschnitt zu tun hatten. 2019 ich möchte eigentlich Screenshots einer mp4 Datei per Javascript erstellen und wollte dafür die Screenshots Funktion von ffmpeg verwenden. Builds are optimized for in-browser use: minimal size for  FFmpeg is a complete solution to record, convert, edit and stream audio and video. The Code Creator FFmpeg Media Converter is a complete, cross-platform solution to record, convert and stream audio and video. Jul 11, 2020 · FFmpeg is a complete, cross-platform solution to record, convert and stream audio and video. We are continuously improving our corpus and fuzzing methods and will continue to work with both FFmpeg and Libav to ensure the highest quality of the software as used by millions of users behind multiple media players. My player does not show the quality selector button to change the video quality? Some Players do not have an embedded quality selector button to change this option and you should install(or add) the plugin for this use case. level 2 Mar 15, 2016 · Intro: The fluent-ffmpeg npm module used to perform various opertion like video transcoding ,get video meta data,thumbnail of video ,reduce size of image etc. exe to launch the installer (you can safely ignore any warnings that the "publisher could not be verified"). This application requires JavaScript The optional FFmpeg library allows Audacity to import and export a much larger range of audio formats including M4A (AAC), AC3, AMR (narrow band) and WMA and also to import audio from most video files. Each book is a single source-file, but I've noticed that ffmpeg lists all the chapter I have a Radeon Vega 64, and installed AMDGPU from the official website, but I have no idea where to go from here. png May 10, 2020 · FFmpeg is one of the most popular, free, and open-source software to encode and decode multimedia. Various browsers have been tested including Chrome and Firefox on Android, Linux and Windows, Safari 7 on OSX Mavericks, IE11 and Opera 20 on Windows. We can perform demuxing, rotation of display matrix, video cropping, merging audio and video streams etc. Understandably, most people are a little lost when it comes to using command-line programs like FFmpeg. ; FFmpeg Beginner's handbook Chinese Version by Steven Liu, describes FFmpeg common use method in Chinese, from command line to API usage. Dec 23, 2018 · ffmpeg -i "input_video" -c:v h264 -b:v 2000k -preset slow -profile high -strict -1 -async 1 "output. FFmpeg is a command line-only program that allows you to convert videos and audio into different formats, as well as record Oct 03, 2017 · ffmpeg -i video. If we want to keep all our audio streams then we have to explicitly tell ffmpeg this using the -map directive, one per stream we want to keep, in order. js"></script> <style> html, body { margin: 0; width:  19 Dec 2018 I was working on FFmpeg for a task related to audio files, and it worked fine on my local machine. Mar 12, 2020 · FFmpeg is a cross-platform solution for streaming audio and video as well as recording and conversion. 2 Jul 09, 2019 · FFmpeg is the leading multimedia framework, able to decode, encode, transcode, mux, demux, stream, filter and play pretty much anything that humans and machines have created. exe) for FFmpeg as shown below: Downloading the FFmpeg installer; Open the FFmpeg installer file and run the setup. Media source extension support in the browsers means that you still have to use an additional js player such as dash. It can also convert between arbitrary sample rates and resize video on the fly with a high quality polyphase filter. webm If we want to extract just a single frame (-vframes 1) from the video into an image file, we do:ffmpeg -i yosemiteA. Jan 24, 2018 · And here is an example for those that might be using ffmpeg to get audio from video sources or just using ffmpeg for conversion ffmpeg foo. mp4" H265 [ edit ] Additional examples and details of the different arguments and codecs can be found on the FFMPEG homepage. For this to work you need a decently current FFmpeg release (this article FFmpeg and the ecosystem • FFmpeg – Defacto standard for most of the OTT/cloud encoding – Often used with x264, libvpx and other open source libraries – Numerous non-open-source libraries plugins for FFmpeg – Numerous MAM and cloud APIs are just rewrapping FFmpeg • Adaptive – HLS input and output support – Dash input and output Configuration Options ===> The following configuration options are available for ffmpeg-4. 0 для конвертации avi в mp4, но в предыдущей части мы создали лишь «голую»  ffmpeg because I have to use ffmpeg. In this article, we are interested in using it to convert files, so we won't be taking a deep dive into its entire feature set. Run the following from the project root to test using the demo video (change to Front End Developer to Create Dynamic Shopping Cart using JavaScript ($250-750 USD) Tasker type website needed, delivery app ($250-750 USD) Add HTML caching to CraftCMS Site ($250-750 USD) EXPERT Vue. That’s why, the video recording event is triggered when the victim opens a particular site, related to online banking. js 6 came around, with Flash on its way out, we moved Flash support to a separate project, videojs-flash. Push: Scheduled: If you'd like to maintain this repository, let me know! A Heroku buildpack for ffmpeg that always downloads the latest static build. Two “s”s indicate a fast seek but Jul 14, 2020 · So now that we know what an FFmpeg tool is and its associated set of software libraries, let us take a look at the syntax for using FFmpeg tool. I have tried the followin: $ sudo apt-get remove ffmpeg $ sudo apt-get purge ffmpeg I tried to find ffmpeg directory by issuing the following command: $ find / -name 'ffmpeg' -type d This gave me /home//ffmpeg. keyint sets the maximum GOP (Group of Pictures) size, which is the group of frames contained between two I-Frames. 24 external libraries J'ai installer node js et ffmpeg évidément, également opusscript (j'ai fais les 2 : node-opus et opusscript). Dec 16, 2018 · The NodeJs RTSP (Javascript) libraries are rather limited, so FFmpeg is minimal required to get the job done. Sep 16, 2016 · Inspired by Broadway JS (see above), the last thing we tried was compiling FFMPEG to Javascript ourselves using Emscripten. You can use FFmpeg to convert videos and audio files, split audio files, download HLS streaming videos, etc. dll has been deleted or misplaced, corrupted by malicious software present on your PC or a damaged Windows registry. If the default build doesn’t support the filters and encoders you need, then you will need to build it yourself. Dec 30, 2016 · ffmpeg 100% CPU - posted in Windows 7: I am having an issue with my Dell Optiplex 780 where the ffmpeg process is using up 100% CPU on a 3GHZ Duo core processor. js in the emcc command, there are 2 strategies to do so: Modify Makefile of FFmpeg Do an extra compilation/link Here we will choose option 2 as personally I don’t like to modify the source code of FFmpeg as it might cause side effects. js canvid is a tiny dependency free library for playback of relatively short videos on canvas elements. Hi Jayaise, Javascript is client based Dec 11, 2017 · Questions: I’ve been trying to solve this problem for several days now and would really appreciate any help on the subject. js Python Go Dockerfile Bash Java Oct 02, 2014 · To add more qualities, copy and paste the exec ffmpeg line and change the settings. mkv Same as above, but also re-encode the audio using AAC instead of stream copying it: ffmpeg -i input. 0 - Updated Feb 19, 2019 - 30 stars Mar 25, 2020 · FFmpeg is a free and open-source collection of tools for handling multimedia files. ffmpeg ffmpeg is the passepartout video converting toot that we are going to use ffprobe will print some information about a file (about its container and video/audio streams) ffplay will play the file — not really recommended there are better tools but it is invaluable for testing; if it can be played be ffplay then ffmpeg will be able to properly Nov 02, 2012 · Streaming WebM to display in browser with HTML5 is currently quite problematic - none of the well-known streaming servers support WebM at the moment. As always, here’s an example of the command-line options so you can run this process on your system. 6, and other products, allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted audio file. js provides a way to run FFmpeg commands and learn its basic functions in the web-browser of your choice. One way is to fade out the alpha channel at the end of one picture, fade in the alpha channel at the beginning of the other, make the beginning and end fade of both pictures overlap, and overlay the result on a This application requires JavaScript. mp4') # returns a dict() Aug 02, 2020 · See the demo page of these players for more information(hls. Mar 29, 2018 · The issue seems to be that FFmpeg’s native gif encoder doesn’t take into account the colors in the source image, and as an indexed color format, that just won’t do for a GIF. jpeg" specifies to use a decimal number composed of three digits padded with zeroes to express the sequence number. Whatever your distribution of choice, you will most certainly find ffmpeg available in your package manager. Dec 20, 2018 · If you do not want to install FFmpeg on your computer but would like to become familiar with using it at the command-line, Brian Grinstead’s videoconverter. I am currently making a project that needs the JavaScript library typedjs but am also using the free webhost 000webhost which does not allow the use of Node. Jan 28, 2019 · uploads-ffmpeg-video-converter; results-ffmpeg-video-converter; We can now go ahead and upload our video we want watermarked to the uploads-ffmpeg-video-converter bucket, and expect the processed video to land in the results-ffmpeg-video-converter once completed. Full support for the features in browser Whether you want to use Go, Java, Python, C#, Ruby - Express. You’re most likely looking for gatsby-remark-videos if you want to automatically convert videos in your markdown, or gatsby-transformer-ffmpeg if you’re looking to use these videos elsewhere in Jun 20, 2018 · FFMPEG is an extensive suite of video, audio and multimedia resources that offer seriously powerful editing for free. Aug 19, 2020 · FFmpeg: Step-by-Step Retro Video Filter I miss working with FFmpeg, so when I came across this interesting challenge on Reddit, I could not say no. ffmpeg js

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