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• Play audio files on a channel (Ubuntu Server)

  16 octobre 2018, par danielperales555

  I want to make a "soundboard" on my Discord Bot.

  The bot is currently running on Ubuntu Server 18.04 in a VPS Hosting.

  I installed ffmpeg via aptitude apt-get install ffmpeg, and the respective node modules on my project via npm : npm install ffmpeg-binaries --save and npm install node-opus --save

  I have this provisional code :

  //!play (sound)
  
  if (!args[0]) return message.channel.send('noCorrectSyntax'); //args is provided by module.run
  
  
  
  let sound = args[0];
  
  let isReady = true;
  
  
  
  if (isReady) {
  
      isReady = false;
  
      let voiceChannel = message.member.voiceChannel;
  
      if (!voiceChannel) return message.channel.send('noChannel');
  
  
  
      voiceChannel.join().then(connection =>{
  
          const dispatcher = connection.playFile(`../resources/audios/${sound}.mp3`);
  
          if (!dispatcher) return message.channel.send('notFound');
  
  
  
          console.log(`${new Date().toUTCString()} 》Playing ${sound} on ${message.member.voiceChannel.name}`);
  
  
  
          dispatcher.on("end", end => {
  
              voiceChannel.leave();
  
              console.log(`${new Date().toUTCString()} 》Finished`);
  
          });
  
      }).catch(err => console.log(err));
  
      isReady = true;
  
  } else {
  
      return message.channel.send('notAvailable');
  
  }

  When my bot joins the voice room, it leaves instantly without playing the sound.

  Am I doing something wrong by installing the ffmpeg codec this way ? Is a problem with the VPS ?

  (I tried with a new bot, installing ffmpeg on windows and setting the path and it worked fine)

• Android and Ffmpeg. Play video (audio and video syncing WITHOUT USING SDL)

  21 janvier 2014, par user1885632

  I have build ffmpeg library and made simple project where I decode video stream and show it on SurfaceView. Now I need to play sound stream of my video file. And the biggest problem for me is synchronization. I saw tutorials but all of them show how to do this using SDL. But for this I need to install SDL, build it (and there are some trouble for me, because of my project structure). So I don't want to use SDL. Are there any ways how to play a videofile with sound synchronously without using SDL ?

• Problems with point to point streaming using FFmpeg

  16 février 2015, par UserOfStackoverflow

  I want to live stream video from webcam and sound from microphone from one computer to another but there is some problems.

  When I use this command line :

  ffmpeg.exe -f dshow -rtbufsize 500M -i video="Camera":audio="Microphone" -c:v mpeg4 -c:a mp2 -f mpegts udp://127.0.0.1:1234

  FFmpeg console starts filling with yellow color messages and stream becomes unstable : http://s16.postimg.org/qglcgr345/Untitled.png

  To solve this problem I have added new parameter to the command line to set the frame rate -r 25 :

  ffmpeg.exe -f dshow -rtbufsize 500M -r 25 -i video="Camera":audio="Microphone" -c:v mpeg4 -c:a mp2 -f mpegts udp://127.0.0.1:1234

  After I added -r 25 problem with yellow color messages disappears but then appears another problem. When I fresh start FFmpeg with this command line video and sound looks synchronous but after one or two minutes appears 25 seconds lag between video and sound, sound goes behind video. I have tried that with different protocols UDP, TCP, RTP but problems are the same. Please help me !