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• Error in FFMPEG/LIBAV audio_decode example for aac decoding

  23 mai 2017, par Prashant Ravi

  I am trying to do aac decoding using the examples provided by FFMPEG/LIBAV. I modified the example as follows :-

  int main(int argc, char **argv)
  
  {
  
      .......
  
      /* find the MPEG audio decoder */
  
      codec = avcodec_find_decoder(AV_CODEC_ID_AAC);
  
      if (!codec) {
  
          fprintf(stderr, "codec not found\n");
  
          exit(1);
  
      }
  
      .......
  
      return 0;
  
  }

  I changed the decoder type to "AV_CODEC_ID_AAC" and recompiled the examples.

  Once I ran the example for decode audio with an example aac audio file but I am getting the following

  prashantravi@mini:/media/sf_Shared/libav/doc/examples$ ./decode_audio ../../../example.aac ../../../out.wav
  
  Error submitting the packet to the decoder
  
  err code :-1052488119

  I tried looking up the error code but it dosent match with any of the existing error codes at all.

• Nomenclature #4519 (Nouveau) : Renommage de terminologie (blacklist / whitelist)

  13 juillet 2020

  En lisant la compilation [PHP Annotated – June 2020](https://blog.jetbrains.com/phpstorm/2020/06/php-annotated-june-2020/) on tombe sur ce point :

  [[RFC] Change terminology to ExcludeList](https://wiki.php.net/rfc/change-terminology-to-excludelist) — The topic of renaming offensive terms has not been overlooked by the PHP world either. There have been [heated discussions](https://externals.io/message/110515) in the Internals.
  In the PHP core, the change affects only one thing : the configuration directive `opcache.blacklist_filename` should be renamed to `opcache.exclude_list_filename`.
  Many other PHP tools have already made changes in this regard : [PHPUnit](https://github.com/sebastianbergmann/phpunit/blob/master/ChangeLog-9.3.md#930---2020-08-07), [Drupal](https://www.drupal.org/project/drupal/issues/2993575), [Xdebug](https://github.com/xdebug/xdebug/commit/63b43b51e43b794cf8cd740e54089b2b7320fbe1), [Yii](https://github.com/yiisoft/yii2/pull/18104), [Composer](https://github.com/composer/composer/pull/8957) (+ [working with non-master Git branches](https://blog.packagist.com/composer-and-default-git-branches/)).

  C’est certainement intéressant aussi de songer à ces renommages chez nous également, utilisés à quelques endroits.

• Which directory should i put FFmpeg ? [duplicate]

  25 juillet 2020, par Panda Gaming23

  I am making a discord bot and I get the following error

  


  node:4) UnhandledPromiseRejectionWarning: Error: FFmpeg/avconv not found!

2020-07-25T01:00:13.991518+00:00 app[worker.1]:     at Function.getInfo (/app/node_modules/prism-media/src/core/FFmpeg.js:130:11)

2020-07-25T01:00:13.991519+00:00 app[worker.1]:     at Function.create (/app/node_modules/prism-media/src/core/FFmpeg.js:143:38)

2020-07-25T01:00:13.991519+00:00 app[worker.1]:     at new FFmpeg (/app/node_modules/prism-media/src/core/FFmpeg.js:44:27)

2020-07-25T01:00:13.991520+00:00 app[worker.1]:     at AudioPlayer.playUnknown (/app/node_modules/discord.js/src/client/voice/player/BasePlayer.js:47:20)

2020-07-25T01:00:13.991520+00:00 app[worker.1]:     at VoiceConnection.play (/app/node_modules/discord.js/src/client/voice/util/PlayInterface.js:71:28)

2020-07-25T01:00:13.991522+00:00 app[worker.1]:     at play (/app/commands/play.js:14:34)

2020-07-25T01:00:13.991522+00:00 app[worker.1]:     at /app/commands/play.js:42:5

2020-07-25T01:00:13.991522+00:00 app[worker.1]:     at processTicksAndRejections (internal/process/task_queues.js:97:5)

2020-07-25T01:00:13.991629+00:00 app[worker.1]: (node:4) 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(). To terminate the node process on unhandled promise rejection, use the CLI flag `--unhandled-rejections=strict` (see https://nodejs.org/api/cli.html#cli_unhandled_rejections_mode). (rejection id: 6)



  


  Here is the code

  


  const ytdl = require("ytdl-core");
const Discord = require("discord.js");

var servers = {};

module.exports = {
  name: "play",
  description: "this is a music play command!",
  execute(message, args) {
  
  function play(connection, message) {
        var server = servers[message.guild.id];
        
        server.dispatcher = connection.play(ytdl(server.queue[0], {filter: "audioonly"}));
        
        server.queue.shift();
        
        server.dispatcher.on("end", function () {
            if(server.queue[0]){
                play(connection, message);
            }
            else {connection.disconnect();}
        })
    }
    if (!args[0]) {
      message.channel.send("you need to provide a link!");
      return;
    }

    if (!message.member.voice.channel) {
      message.channel.send("you must be in ||a|| voice channel to play the bot!");
      return;
    }

    if (!servers[message.guild.id]) servers[message.guild.id] = { queue: [] };
    
    var server = servers[message.guild.id];
    
    server.queue.push(args[0]);
     
    if (!message.member.voice.connection) message.member.voice.channel.join().then(function(connection) {
    play(connection, message);
    })
  },
};


  


  I would like to know which directory I should put FFmpeg.

  


  I would also like to know if the FFmpeg executable has to be in a folder or compressed or if i can just place the executable in a certain directory

  


  I am hosting my bot using Heroku on a Mac using Discord.js V12

  


  Please help.

  


  Thanks !