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• ffprobe "moov atom not found" on Linux, but works on OS X

  15 mars 2017, par NeuroXc

  I have an MP4 file that I am trying to read info from via ffprobe -print_format json -show_format -show_streams input.mp4. On OS X with the Homebrew-provided FFMpeg 3.2.4, I’m able to read the video information this way. However, on both Debian Stretch and Arch Linux, with FFMpeg 3.2.4 provided through the respective package managers, I am getting :

  [mov,mp4,m4a,3gp,3g2,mj2 @ 0x55e0b7977120] Format mov,mp4,m4a,3gp,3g2,mj2 detected only with low score of 1, misdetection possible!
  
  [mov,mp4,m4a,3gp,3g2,mj2 @ 0x55e0b7977120] moov atom not found
  
  input.mp4: Invalid data found when processing input

  An example of a file showing this issue is https://falcon479.startdedicated.com/files/boxes.mp4

• Can I merge jpeg and mp3 files with 1 command ?

  2 janvier 2017, par Pavel Alexandrovich Ak-01

  I have jpegs and mp3s files.

  Is it possible to make slideshow video with intro and music using single command ?

  Right now I have to render slideshow first, merge it with intro and only then render everything again while adding music. Not sure if this is very efficient, I would like to do all that in 1 go.

• Stream Audio to Discord (FFMPEG and Discord.Net 1.0.1)

  16 août 2017, par ComedicChimera

  I have a music bot for Discord and I want to be able to stream audio from a site directly into Discord. Currently I have to download the file and then play it which works, but also takes a lot of time. Here is part of the code for the play command (The part the plays the audio.) :

  IVoiceChannel channel = (Context.User as IVoiceState).VoiceChannel;
  
                  Music.client = await channel.ConnectAsync();
  
  
  
                  var output = CreateStream("tmpvid.mp3").StandardOutput.BaseStream;
  
                  var stream = Music.client.CreatePCMStream(AudioApplication.Music);
  
                  await output.CopyToAsync(stream);
  
                  await stream.FlushAsync().ConfigureAwait(false);

  Here is the code for the FFMPEG.

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

  My code also is able to get the url and a network stream so would it be possible for me to simply pipe that stream through FFMPEG to discord or pass the url in as a parameter ? Thanks so much !