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• FFMPEG - Moving text to appear every 'X' Seconds

  9 octobre 2018, par Kevin

  This is a ffmpeg command for moving text (left to right)

  ffmpeg -i input.mp4 -vf drawtext="fontfile=/path/to/fonts/FreeSans.ttf:text='Hello World':fontcolor=white@1.0:fontsize=16:y=h-line_h-100:x=(2*n)-tw" -codec:v libx264 -codec:a copy output.mp4

  And I would like to know how to make the moving text to start after ’X’ seconds and appear every ’X’ seconds ?

• FFMPEG not found because FFMPEG-binaries is no longer supported

  17 novembre 2019, par brenan patrick

  I have been attempting to create a Discord bot, but it cannot connect to a voice channel because it gives the errorError: FFMPEG not found. Is there a way to get around using FFMPEG-binaries or an older version that I can install manually ?

  const Discord = require('discord.js');
  
  const {
  
          prefix,
  
          token,
  
  } = require('./config.json');
  
  const ytdl = require('ytdl-core');
  
  
  
  const client = new Discord.Client();
  
  
  
  const queue = new Map();
  
  
  
  client.once('ready', () => {
  
          console.log('Ready!');
  
  });
  
  
  
  client.once('reconnecting', () => {
  
          console.log('Reconnecting!');
  
  });
  
  
  
  client.once('disconnect', () => {
  
          console.log('Disconnect!');
  
  });
  
  
  
  client.on('message', async message => {
  
          if (message.author.bot) return;
  
          if (!message.content.startsWith(prefix)) return;
  
  
  
          const serverQueue = queue.get(message.guild.id);
  
  
  
          if (message.content.startsWith(`${prefix}play`)) {
  
                  execute(message, serverQueue);
  
                  return;
  
          } else if (message.content.startsWith(`${prefix}skip`)) {
  
                  skip(message, serverQueue);
  
                  return;
  
          } else if (message.content.startsWith(`${prefix}stop`)) {
  
                  stop(message, serverQueue);
  
                  return;
  
          } else {
  
                  message.channel.send('You need to enter a valid command!')
  
          }
  
  });
  
  
  
  async function execute(message, serverQueue) {
  
          const args = message.content.split(' ');
  
  
  
          const voiceChannel = message.member.voiceChannel;
  
          if (!voiceChannel) return message.channel.send('You need to be in a voice channel to play music!');
  
          const permissions = voiceChannel.permissionsFor(message.client.user);
  
          if (!permissions.has('CONNECT') || !permissions.has('SPEAK')) {
  
                  return message.channel.send('I need the permissions to join and speak in your voice channel!');
  
          }
  
  
  
          const songInfo = await ytdl.getInfo(args[1]);
  
          const song = {
  
                  title: songInfo.title,
  
                  url: songInfo.video_url,
  
          };
  
  
  
          if (!serverQueue) {
  
                  const queueContruct = {
  
                          textChannel: message.channel,
  
                          voiceChannel: voiceChannel,
  
                          connection: null,
  
                          songs: [],
  
                          volume: 5,
  
                          playing: true,
  
                  };
  
  
  
                  queue.set(message.guild.id, queueContruct);
  
  
  
                  queueContruct.songs.push(song);
  
  
  
                  try {
  
                          var connection = await voiceChannel.join();
  
                          queueContruct.connection = connection;
  
                          play(message.guild, queueContruct.songs[0]);
  
                  } catch (err) {
  
                          console.log(err);
  
                          queue.delete(message.guild.id);
  
                          return message.channel.send(err);
  
                  }
  
          } else {
  
                  serverQueue.songs.push(song);
  
                  console.log(serverQueue.songs);
  
                  return message.channel.send(`${song.title} has been added to the queue!`);
  
          }
  
  
  
  }
  
  
  
  function skip(message, serverQueue) {
  
          if (!message.member.voiceChannel) return message.channel.send('You have to be in a voice channel to stop the music!');
  
          if (!serverQueue) return message.channel.send('There is no song that I could skip!');
  
          serverQueue.connection.dispatcher.end();
  
  }
  
  
  
  function stop(message, serverQueue) {
  
          if (!message.member.voiceChannel) return message.channel.send('You have to be in a voice channel to stop the music!');
  
          serverQueue.songs = [];
  
          serverQueue.connection.dispatcher.end();
  
  }
  
  
  
  function play(guild, song) {
  
          const serverQueue = queue.get(guild.id);
  
  
  
          if (!song) {
  
                  serverQueue.voiceChannel.leave();
  
                  queue.delete(guild.id);
  
                  return;
  
          }
  
  
  
          const dispatcher = serverQueue.connection.playStream(ytdl(song.url))
  
                  .on('end', () => {
  
                          console.log('Music ended!');
  
                          serverQueue.songs.shift();
  
                          play(guild, serverQueue.songs[0]);
  
                  })
  
                  .on('error', error => {
  
                          console.error(error);
  
                  });
  
          dispatcher.setVolumeLogarithmic(serverQueue.volume / 5);
  
  }
  
  
  
  client.login(token);

  This is the error that appears after I attempt to ’ !play ’.

  D:\Bot-Files-Test>node index.js
  
  Ready!
  
  Error: FFMPEG not found
  
      at Function.selectFfmpegCommand (D:\Bot-Files-Test\node_modules\prism-media\src\transcoders\ffmpeg\Ffmpeg.js:46:13)
  
      at new FfmpegTranscoder (D:\Bot-Files-Test\node_modules\prism-media\src\transcoders\ffmpeg\Ffmpeg.js:7:37)
  
      at new MediaTranscoder (D:\Bot-Files-Test\node_modules\prism-media\src\transcoders\MediaTranscoder.js:10:19)
  
      at new Prism (D:\Bot-Files-Test\node_modules\prism-media\src\Prism.js:5:23)
  
      at new VoiceConnection (D:\Bot-Files-Test\node_modules\discord.js\src\client\voice\VoiceConnection.js:46:18)
  
      at D:\Bot-Files-Test\node_modules\discord.js\src\client\voice\ClientVoiceManager.js:63:22
  
      at new Promise (<anonymous>)
  
      at ClientVoiceManager.joinChannel (D:\Bot-Files-Test\node_modules\discord.js\src\client\voice\ClientVoiceManager.js:45:12)
  
      at VoiceChannel.join (D:\Bot-Files-Test\node_modules\discord.js\src\structures\VoiceChannel.js:130:30)
  
      at execute (D:\Bot-Files-Test\index.js:75:40)
  
  (node:9108) UnhandledPromiseRejectionWarning: DiscordAPIError: Cannot send an empty message
  
      at D:\Bot-Files-Test\node_modules\discord.js\src\client\rest\RequestHandlers\Sequential.js:85:15
  
      at D:\Bot-Files-Test\node_modules\snekfetch\src\index.js:215:21
  
      at runMicrotasks (<anonymous>)
  
      at processTicksAndRejections (internal/process/task_queues.js:93:5)
  
  (node:9108) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 3)
  
  (node:9108) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.</anonymous></anonymous>

• nw.js node WebKit - unable to play audio file

  9 novembre 2018, par Allasso

  I have started working with nw.js, creating a test app to play audio files from. I am working on OS X 10.11.

  The code for the player is :

  <audio controls="controls">
  
    <source src="path/to/file/song.mp3" type="audio/mp3">
  
  </source></audio>

  The player and controls appear, but the file will not play. I have tried using a relative path, and an absolute path, trying both
  "/path/to/file/song.mp3"
  and
  "file :///path/to/file/song.mp3"
  schemes.

  I have verified the path is valid in all cases.

  This page :

  http://docs.nwjs.io/en/latest/For%20Developers/Enable%20Proprietary%20Codecs/

  tells me that mp3 should be supported (for v0.22.1+, though I haven’t found a way to tell the version of my mp3, though is was made recently so I assume is the the latest codec.)

  Just to try more stuff, I followed the instructions on these pages :

  http://docs.nwjs.io/en/latest/For%20Developers/Enable%20Proprietary%20Codecs/
  (It appears mp3 gained support since this doc came out.)

  https://github.com/nwjs/nw.js/wiki/Using-MP3-%26-MP4-%28H.264%29-using-the—video—%26—audio—tags.

  I downloaded the ffmpeg libs from here :

  https://github.com/iteufel/nwjs-ffmpeg-prebuilt/releases

  and placed copies here :

  find . -name libffmpeg.dylib
  
  ./dist/nw.js-examples/osx64/nw.js-examples.app/Contents/Versions/67.0.3396.87/libffmpeg.dylib
  
  ./node_modules/nw/nwjs/nwjs.app/Contents/Versions/54.0.2840.99/nwjs Framework.framework/libffmpeg.dylib
  
  ./node_modules/nw-builder/cache/0.31.2-sdk/osx64/nwjs.app/Contents/Versions/67.0.3396.87/libffmpeg.dylib
  
  cp ~/Downloads/libffmpeg.dylib ./dist/nw.js-examples/osx64/nw.js-examples.app/Contents/Versions/67.0.3396.87/libffmpeg.dylib
  
  cp ~/Downloads/libffmpeg.dylib "./node_modules/nw/nwjs/nwjs.app/Contents/Versions/54.0.2840.99/nwjs Framework.framework/libffmpeg.dylib"
  
  cp ~/Downloads/libffmpeg.dylib "./node_modules/nw-builder/cache/0.31.2-sdk/osx64/nwjs.app/Contents/Versions/67.0.3396.87/libffmpeg.dylib"

  Still to no avail running either

  npm run dev

  or

  npm run prod

  and opening the packaged app.

  I can play the file fine with the same code from a web browser.

  I don’t know what else to try, help would be much appreciated, thanks.