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• avfilter/palettegen : base box split decision on a perceptual model

  27 décembre 2022, par Clément Bœsch

  avfilter/palettegen : base box split decision on a perceptual model
  Similar to the change in paletteuse, we rely on a perceptual model to
  
  decide how and where to split the box.
  

  • [DH] libavfilter/Makefile
  • [DH] libavfilter/vf_palettegen.c
  • [DH] tests/ref/fate/filter-palettegen-1
  • [DH] tests/ref/fate/filter-palettegen-2

• Writing metadata (Artist Name, Song Title, Year, Album, Duration, Genre) to mp3/m4a audio file using youtube-dl (subsequent AtomicParsely error)

  10 décembre 2016, par IRNotSmart

  I am extracting audio only from youtube videos using youtube-dl. I would like to write the metadata (i.e. Artist Name and Song Title, Year, Album, Duration, Genre) into the mp3/m4a file after downloading. My attempt to accomplish this starts with this code :

  @echo off
  
  youtube-dl --format m4a/mp3 --youtube-skip-dash-manifest --embed-thumbnail -o "%%(title)s.%%(ext)s" --metadata-from-title "%%(artist)s - %%(title)s" --add-metadata 2Y6Nne8RvaA
  
  pause

  This code produces the following output :

  [youtube] 2Y6Nne8RvaA: Downloading webpage
  
  [youtube] 2Y6Nne8RvaA: Extracting video information
  
  [youtube] 2Y6Nne8RvaA: Downloading thumbnail ...
  
  [youtube] 2Y6Nne8RvaA: Writing thumbnail to: Kungs vs Cookin' on 3 Burners - Thi
  
  s Girl.jpg
  
  [download] Destination: Kungs vs Cookin' on 3 Burners - This Girl.m4a
  
  [download] 100% of 2.99MiB in 00:01
  
  [ffmpeg] Correcting container in "Kungs vs Cookin' on 3 Burners - This Girl.m4a"
  
  
  
  [fromtitle] parsed title: This Girl
  
  [fromtitle] parsed artist: Kungs vs Cookin' on 3 Burners
  
  [ffmpeg] Adding metadata to 'Kungs vs Cookin' on 3 Burners - This Girl.m4a'
  
  ERROR: AtomicParsley was not found. Please install.
  
  Press any key to continue . . .

  As you can see, I am able to successfully able to add a few of the tags from the video, but not all of them and the Year is royally screwed up.
  

  What is this AtomicParsely error and how do I remedy it ? Do I need this program to correctly add all the Metadata to the file that I want, or can this be accomplished in another way ?

  Referencing Steven Penny’s post, FFmpeg metadata not showing in Windows ?, is solving this problem as simple as using an ffmpeg command ?

  When I do a google search for this song, the first link that shows is the exact link I’m using on YouTube, and the search shows pertinent metadata (see below). I’m not sure if this data is input manually by users, or if Google mined this from the video :
  

  I admit that I’m new to using youtube-dl and ffmpeg, but with the help of the commenters on StackOverflow, I’m learning more each day. This post is a follow-up to my previous question : Downloading YouTube to mp3 and writing metadata (artist/song title) to mp3 file using youtube-dl

• Download a youtube video without storing it on the server

  6 mai 2019, par Baraque Obahamas

  I have a personal php script that allows me to download the videos of my choice. Currently, this runs youtube-dl and if necessary convert the video, ffmpeg then.

  I’m looking for a way to allow my script to download/convert the video without even storing it on the server. Make sure that youtube-dl/ffmpeg acts as a gateway but without downloading the file.

  Do you have any idea how to do this ? The idea would be to run ffmpeg on the youtube link and not on the video after it has been downloaded, and allow the user to download it at the same time as the conversion is in progress.

  We can see that this site for example www.onlinevideoconverter.com uses this method, because if we ask for a video of 2 hours or more, it allows us to download it immediately.