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• Cannot download youtube by ffmpeg

  3 mai 2022, par itil memek cantik

  Err when a youtube video was tried in such

  


  $ ffmpeg  -i 'https://youtu.be/NFTZbSU7X9I' -c copy  t.mp4


  


  it echos :

  


  https://youtu.be/NFTZbSU7X9I: Invalid data found when processing input


  


  What actually the cause and how to solve ?
thanks in advance

  


• how to download subtitles from a m3u8 file which is protected by cloudflare ?

  25 juin 2023, par ZombZ

  I am trying to use ffmpeg to download a vtt file from an m3u8 link but it isn't working

  


  i tried to run ffmpeg -i https://manifest-gcp-us-east1-vop1.cfcdn.mux.com/nCuL1I6vazd2gTqez6v8cW96dY6kB02KK2i008fUX5L8EjUpCcCJagIoZ2Uu01cAZFC0102nF5SzBm8M/subtitles.m3u8?cdn=cloudflare&expires=1687752000&signature=NjQ5OTBkNDBfYTExYTNkOTRlZTg1ZWU0NjUwZWUzNGFiMzFkZDgyNDFkMzU2OGU0YmExZGQzZGIyNWE5MjJkMGE3ZTdmOTM3YQ== output.vtt but it didn't work and gave me :

  


  Error when loading first segment 'https://chunk-gcp-us-east1-vop1.cfcdn.mux.com/v1/subtitle/nCuL1I6vazd2gTqez6v8cW96dY6kB02KK2i008fUX5L8EjUpCcCJagIoZ2Uu01cAZFC0102nF5SzBm8M/0.vtt?skid=default&signature=MF9lY2EwNmQxODg5OGQ5MTQxY2E1NjU2MDNiOTdkNDBhMGJjNzU1N2EwOGQ2N2E1MmE2NTI0Y2Y5MTQxNDZlYjc2'  ;https://manifest-gcp-us-east1-vop1.cfcdn.mux.com/nCuL1I6vazd2gTqez6v8cW96dY6kB02KK2i008fUX5L8EjUpCcCJagIoZ2Uu01cAZFC0102nF5SzBm8M/subtitles.m3u8?cdn=cloudflare : Invalid data found when processing input

  


• download youtube video as audio file, with URL in filename, to a specific output directory

  9 octobre 2018, par thanks_in_advance

  I do this to download a video as an audio file (mp3), with the video’s youtube URL (URI actually) in the audio file’s filename (I like having the URI in the filename because it helps me identify which video I grabbed the audio from) :

  youtube-dl --extract-audio --audio-format mp3 --prefer-ffmpeg --ffmpeg-location "C:\FFMPEG" "https://www.youtube.com/watch?v=k1-TrAvp_xs" --audio-quality 0

  The con with this approach : with this command, the file downloads to the same directory that contains youtube-dl.exe

  ---

  I do this to download a youtube video as an audio file (mp3) to a specific output directory :

  youtube-dl -o "C:\Documents\Downloads\%(title)s.%(ext)s" --extract-audio --audio-format mp3 --prefer-ffmpeg --ffmpeg-location "C:\FFMPEG" "https://www.youtube.com/watch?v=k1-TrAvp_xs" --audio-quality 0

  The con with this approach : with this command, the downloaded audio file’s filename doesn’t contain the youtube video’s URI.

  ---

  My Question : How can I combine the above 2 commands such that the downloaded audio file doesn’t have either of the cons mentioned above ?