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• Get audio (M4A or MP3) file links directly from YouTube

  10 mars 2018, par Alex

  I am developing a PHP script that obtains video download links from YouTube. The ones I am grabbing are MP4 (720p) and MP4 (360p) (no-DASH format).

  My script is similar to this PHP class : https://github.com/Athlon1600/youtube-downloader

  It allows me to download any YouTube video that I want, no matter if it has copyright or not. It handles everything with signature ciphering and deciphering included.

  However, apart from videos, I would like to obtain audio download links from YouTube videos as well, either in MP3 or M4A.

  (M4A files are provided by YouTube, but they are in DASH format, which means, it’s not a complete file, but a collection of files that need to be merged together)

  Is there a way to obtain MP3 audio download links directly from YouTube ?

  I would like to avoid using FFMPEG library as it requires a lot of resources.

  In the case that using a library like that is the only option, what’s the most optimal way to convert MP4 files to MP3 files ?

  Is there any more efficient alternative than FFMPEG ?

  PLEASE avoid comments regarding YouTube TOS

• Permission denied when trying to save a file with ffmpeg

  20 mars 2023, par Hoff

  I'm sending an audio blob to my deno/oak server, and I want to encode it as mp3 using deno_ffmpeg but I'm getting a Permission denied (os error 13) error.

  


  With operations like Deno.rename(), I am able to save files just fine. Just not when calling ffmpeg.save().

  


  Here is the code in question :

  


  const body = await context.request.body({ type: 'form-data' })
const data = await body.value.read()
const audioFile = data.files[0]

const ffmpegClass = new ffmpeg({ input: audioFile.filename, ffmpegDir: '.' })
await ffmpegClass.save('./output.mp3')


  


  The last line triggers this error :

  


  PermissionDenied: Permission denied (os error 13)
    at opRun (internal:runtime/js/40_process.js:33:14)
    at Object.run (internal:runtime/js/40_process.js:119:15)
    at FfmpegClass.save (https://deno.land/x/deno_ffmpeg@v3.1.0/src/ffmpegClass.ts:506:26)


  


  This happens despite running the server with --allow-run and --allow-write or even --allow-all

  


  Persission on the root directory are drwxrw-rw- (chmod 766).

  


  I'm out of ideas as to what is causing this permissions error, any ideas would be highly appreciated !

  


• Revision 3959 : Réparation de l’autorisation de voir les liens de docs Le squelette des ...

  17 septembre 2010, par kent1 — Log

  Réparation de l’autorisation de voir les liens de docs Le squelette des liens de documents si configurés dans la conf Toujours afficher les infos d’un doc si ils sont affichés Le focus qui sélectionne l’ensemble du contenu de textareas et input est mis sur la class copypaste Ajout de locutions On (...)