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• I got that error when i try to play music with my bot on discord

  20 septembre 2020, par TheKillerBoss 27

  (node:10076) UnhandledPromiseRejectionWarning : TypeError : Cannot read property 'id' of undefined
at play (C :\Users\USER\Desktop\Giochi e Programmi\Foto video ecc\Proggetti\Discord-bot\Akagi-chan\Akagi_chan.js:49:51)
at C :\Users\USER\Desktop\Giochi e Programmi\Foto video ecc\Proggetti\Discord-bot\Akagi-chan\Akagi_chan.js:89:17
  
at processTicksAndRejections (internal/process/task_queues.js:97:5)
(node:10076) 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 : 1)
(node:10076) [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.

  


  const Discord = require('discord.js');
const bot = new Discord.Client();

const ytdl = require("ytdl-core");

const token = '\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'

var versione = '1.0.1';
var autore = 'TheKillerBoss';
var servers = {};

const PREFIX = '!';

bot.on('ready', () =>{
    console.log('Online!');
    bot.user.setActivity('Kawaii!', {type: "PLAYING"});
})

bot.on('message', message=>{

    let args = message.content.substring(PREFIX.length).split(" ");

    switch(args[0])
    {
        case 'help':
            message.channel.send('ping --> pong!')
            message.channel.send('twitch --> canale twitch')
            message.channel.send('twitter --> pagina twitter')
            break;
        case 'ping':
            message.channel.send('pong!')
            break;
        case 'twitch':
            message.channel.send('Segui TheKilleBoss su Twitch! https://twitch.tv/thekillerboss_27')
            break;
        case 'twitter':
            message.channel.send('Segui TheKilleBoss su Twitter https://twitter.com/TheKillerBoss27')
            break;
        case 'versione':
            message.channel.send('Versione: ' + versione)
            break;
        case 'autore':
            message.channel.send('Autore: ' + autore)
            break;
        case 'play':
            function play(connection, message)
            {
                var server = servers(message.guid.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[1])
            {
                message.channel.send("Devi inserire un link!");
                return;
            }

            if(!message.member.voice.channel)
            {
                message.channel.send("Devi essere in un canale vocale!");
                return;
            }

            if (!servers[message.guild.id]) servers[message.guild.id] = {
                queue: []
            }

            var server = servers[message.guild.id];

            server.queue.push(args[1]);

    if(!message.member.voice.connection)message.member.voice.channel.join().then(function(connection){
            play(connection, message);
        })

    
        break;
    
}
})


bot.login(token);


  


  so the bot enters the voice channel but does not start the music and it give me that error.
I removed the token for privacy.

  


• Why does mplayer not play my stream ?

  17 juillet 2016, par SirWindfield

  I wanted to use mplayer (a command line tool) to play a SoundCloud url that I fetched with there official API. The url looks like this

  https://cf-media.sndcdn.com/qop35iYKlHhs.128.mp3?Policy=eyJTdGF0ZW1lbnQiOlt7IlJlc291cmNlIjoiKjovL2NmLW1lZGlhLnNuZGNkbi5jb20vcW9wMzVpWUtsSGhzLjEyOC5tcDMiLCJDb25kaXRpb24iOnsiRGF0ZUxlc3NUaGFuIjp7IkFXUzpFcG9jaFRpbWUiOjE0Njg3NTM4NjB9fX1dfQ__&Signature=OZ4IawmjdU6hEN8KB8e~t3QTy4lBFVBbIDg-a6tuPkb65e0mPskkCFFASkTWbyy5lsaT9IrURan6y70sZhLXPbng1IfkTsGdX1dO938NwVYnKs-BS7IL4TiVFxTBXoKJgmCmUD0qmmGmYqm3YdGZQrP~Sj~mw9~fmtwdHQu0rhl3O-dKsgk497JAR6pMorQs7BSs0XIosV1Mmv2DMD6iifquCWV9Ezq4ekneQ1gfSjVmzjjnKvsxjPpgmU~5DTdewwzlNClVxdzHSQONWM7c0YMGlBcVz97NviaeZOQSCAW8QZS59WULXJBJ9OmEPctWtpe3O0mo-GYjwEkbVGYl9A__&Key-Pair-Id=APKAJAGZ7VMH2PFPW6UQ

  I use the command "mplayer ’url’" to play it but I always get the output :

  libavformat version 57.25.100 (internal)
  
  https protocol not found, recompile FFmpeg with openssl, gnutls,
  
  or securetransport enabled.

  Looking which protocols have been installed tells me that I have https input and output support (ffmpeg -protocols) :

  ffmpeg version 3.1.1 Copyright (c) 2000-2016 the FFmpeg developers
  
    built with Apple LLVM version 7.3.0 (clang-703.0.31)
  
    configuration: --prefix=/usr/local/Cellar/ffmpeg/3.1.1 --enable-shared --enable-pthreads --enable-gpl --enable-version3 --enable-hardcoded-tables --enable-avresample --cc=clang --host-cflags= --host-ldflags= --enable-opencl --enable-libx264 --enable-libmp3lame --enable-libxvid --enable-libtheora --enable-libvorbis --enable-libvpx --enable-librtmp --enable-libfaac --enable-ffplay --enable-libspeex --enable-openssl --enable-libopus --disable-lzma --enable-nonfree --enable-vda
  
    libavutil      55. 28.100 / 55. 28.100
  
    libavcodec     57. 48.101 / 57. 48.101
  
    libavformat    57. 41.100 / 57. 41.100
  
    libavdevice    57.  0.101 / 57.  0.101
  
    libavfilter     6. 47.100 /  6. 47.100
  
    libavresample   3.  0.  0 /  3.  0.  0
  
    libswscale      4.  1.100 /  4.  1.100
  
    libswresample   2.  1.100 /  2.  1.100
  
    libpostproc    54.  0.100 / 54.  0.100
  
  Supported file protocols:
  
  Input:
  
    async
  
    cache
  
    concat
  
    crypto
  
    data
  
    file
  
    ftp
  
    gopher
  
    hls
  
    http
  
    httpproxy
  
    https
  
    mmsh
  
    mmst
  
    pipe
  
    rtp
  
    srtp
  
    subfile
  
    tcp
  
    tls
  
    udp
  
    udplite
  
    unix
  
    rtmp
  
    rtmpe
  
    rtmps
  
    rtmpt
  
    rtmpte
  
  Output:
  
    crypto
  
    file
  
    ftp
  
    gopher
  
    http
  
    httpproxy
  
    https
  
    icecast
  
    md5
  
    pipe
  
    rtp
  
    srtp
  
    tcp
  
    tls
  
    udp
  
    udplite
  
    unix
  
    rtmp
  
    rtmpe
  
    rtmps
  
    rtmpt
  
    rtmpte

• Why does Google Chrome not play one of my mp4 files with H.264 codec, while Firefox does ?

  23 mai 2023, par Paul Levy

  I have two mp4, both with H.264 codecs. One plays in Chrome (I didn't create it) and the other downloads and plays in my computer's video player rather than in-browser. Both play completely fine in Firefox. I've searched and cannot understand how to make it work in Chrome (Version 113.0.5672.126 on Mac). I'm writing the videos with ffmpeg version 4.3.6-0.

  


  Here are the selected ffprobe outputs for the two videos (the first doesn't play in Chrome, the second does) :

  


  


  Video : h264 (Main) (avc1 / 0x31637661), yuv420p(progressive), 2880x960, 1684 kb/s, 100 fps, 100 tbr, 12800 tbn (default)

  


  


  


  Video : h264 (Main) (avc1 / 0x31637661), yuv420p(tv, bt709, progressive), 240x426 [SAR 1:1 DAR 40:71], 20 kb/s, 29.97 fps, 29.97 tbr, 30k tbn (default)

  


  


  I'm creating the first video with the following flags (merging the audio has no impact) :

  


  ffmpeg -i VIDEO -i AUDIO -c:v copy -af aresample=async=1:first_pts=0 -loglevel error -vcodec libx264 -profile:v main -preset medium -movflags +faststart -pix_fmt yuv420p -y OUTPUT


  


  where I create VIDEO by merging 3 videos horizontally with :

  


  ffmpeg -i VIDEO_1 -i VIDEO_2 -i VIDEO_3 -filter_complex hstack=inputs=3 -loglevel error -vcodec libx264 -profile:v main -preset medium -movflags +faststart -pix_fmt yuv420p -y VIDEO