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• How to pass a youtube video's audio url as ffmpeg source

  8 janvier 2020, par CrystallVR

  Im trying to get my discord bot to play the audio from any youtube videos using the video’s url from youtube-dl (the audio url) as the ffmpeg path/source. I got it to work kind of but, while testing, the ffmpeg throws an error in the middle of the audio and the process ends. Here is the error :
  https://i.imgur.com/uCy8SfK.png

  I’ve tried to play the same exact song by downloading it and using the file’s path as ffmpeg source path and it worked fine.

  Here is how i start the ffmpeg process :

              return Process.Start(new ProcessStartInfo
  
              {
  
                  FileName = "ffmpeg.exe",
  
                  Arguments = $"-xerror -i \"{path}\" -ac 2 -f s16le -ar 48000 pipe:1",
  
                  UseShellExecute = false,
  
                  RedirectStandardOutput = true
  
              });

  path is the audio url from youtube-dl process. (can also see the url in the error screenshot)

  And here is how i get the link from youtube-dl :

  Process youtubedl;
  
  
  
  
  
                  ProcessStartInfo youtubedlGetTitle = new ProcessStartInfo()
  
                  {
  
                      FileName = "youtube-dl",
  
                      Arguments = $"--get-title --get-duration --get-url {url}",
  
                      CreateNoWindow = true,
  
                      RedirectStandardOutput = true,
  
                      UseShellExecute = false
  
                  };
  
                  youtubedl = Process.Start(youtubedlGetTitle);
  
                  youtubedl.WaitForExit();

  url is a normal youtube video link.

  I just started working with ffmpeg and youtube-dl so there probably are some stupid rookie mistakes that i’m not aware of. I would appreciate any guidance and/or explanation of what I did wrong.

• ffmpeg Gets 403 forbidden error from youtube-dl link

  3 août 2019, par Yaron Brodsky

  I’m trying to download a part of a video from youtube. I use youtube-dl to get the direct link and then pass it to ffmpeg as an input to trim it, but I get an HTTP error 403.

  I ran

  youtube-dl --get-url --extract-audio https://www.youtube.com/watch?v=ZR38JWEsSD0

  and got the following link :

  https://r7---sn-oxu8pnpvo-i45z.googlevideo.com/videoplayback?expire=1564846578&ei=klVFXd6FC4XogAf-47GICw&ip=85.250.45.15&id=o-AMfpl2KOmnqRGbb0gEcD7JTFM8awtSjeWx7CQJm3Csqk&itag=137&aitags=133%2C134%2C135%2C136%2C137%2C160%2C242%2C243%2C244%2C247%2C248%2C278%2C394%2C395%2C396%2C397%2C398&source=youtube&requiressl=yes&mm=31%2C29&mn=sn-oxu8pnpvo-i45z%2Csn-4g5ednld&ms=au%2Crdu&mv=m&mvi=6&pl=22&initcwndbps=677500&mime=video%2Fmp4&gir=yes&clen=2099900448&dur=11050.237&lmt=1547649487971312&mt=1564824828&fvip=1&keepalive=yes&c=WEB&txp=5535432&sparams=expire%2Cei%2Cip%2Cid%2Caitags%2Csource%2Crequiressl%2Cmime%2Cgir%2Cclen%2Cdur%2Clmt&sig=ALgxI2wwRQIhALaTrtemlISkaeXNsOxd_ATWy0yEfnq8nDVMYLyIOuLiAiBKPpei6otB6YAT-EyQrU6wn7CuGDGxygQcdL4W6SWAgQ%3D%3D&lsparams=mm%2Cmn%2Cms%2Cmv%2Cmvi%2Cpl%2Cinitcwndbps&lsig=AHylml4wRgIhANcKwG0py-_mx8W4faiiby4evTcJT1b3pFHhpFsQthKQAiEAzVkXDYl4c4bvEWMSNWlkkiJkBvk2jQGk6dlMQkLMYiY%3D&ratebypass=yes

  I then used it in

  ffmpeg -ss 00:00:00 -t 00:00:10 -vn -acodec mp3 test.mp3 -i [...].

  I got the following error -

  HTTP error 403 Forbidden
https://r7---sn-oxu8pnpvo-i45z.googlevideo.com/videoplayback?expire=1564846578: Server returned 403 Forbidden (access denied)

  Any help please ?

• Downloading videos one by one with youtube-dl

  9 août 2019, par puter

  Im trying to execute the youtube-dl download command from node which is asynchronous and I have a bunch of videos that gets downloaded each time so I want to execute the downloadClip command as soon as each one finishes. How do I call this function in a chain like fashion so that only one video gets downloaded at a time ?

  var downloadClip = function( videoID, channelPath ) {
  
      var args = [
  
          '-o', config.fileName,
  
          '--download-archive', channelPath + '/' + config.archiveFile,
  
      ];
  
  
  
      var options = {
  
          cwd: channelPath
  
      };
  
  
  
      return new Promise( function( resolve, reject ) {
  
          ytdl.exec( videoID, args, options, function( err, output ) {
  
              if ( err ) {
  
                  reject( err );
  
              } else {
  
                  resolve( output );
  
              }
  
          } );
  
      } );
  
  };