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• 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

• 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.

  


• Discord Bot can't play audio from YouTube all of a sudden

  22 mars 2023, par Aidan Tweedy

  Last night my Discord bot stopped working out of the blue. The bot had been working perfectly for months until this point - no code changes occurred and it was running in a Docker container on my home server. Then last night, my !play <url></url> command stopped working. The bot would join the voice channel, but not actually play anything. Then it would need to be manually disconnected from the voice channel in order for it to do anything again. After the first play fails, and I try again I get this error message :

  


   [youtube] crOZk88eCcg: Downloading webpage
 [youtube] crOZk88eCcg: Downloading android player API JSON
 [youtube] Extracting URL: https://www.youtube.com/watch?v=crOZk88eCcg&ab_channel=0foofighter0
 [youtube] crOZk88eCcg: Downloading webpage
 [youtube] crOZk88eCcg: Downloading android player API JSON
 [2023-03-22 00:27:59] [ERROR   ] discord.ext.commands.bot: Ignoring exception in command play
 Traceback (most recent call last):
   File "/usr/local/lib/python3.10/dist-packages/discord/ext/commands/core.py", line 190, in wrapped
     ret = await coro(*args, **kwargs)
   File "/usr/src/app/./main.py", line 180, in play
     voice.play(player, after=lambda e: print(f'Player error: {e}') if e else None)
   File "/usr/local/lib/python3.10/dist-packages/discord/voice_client.py", line 600, in play
     raise ClientException('Not connected to voice.')
 discord.errors.ClientException: Not connected to voice.
 
 The above exception was the direct cause of the following exception:
 
 Traceback (most recent call last):
   File "/usr/local/lib/python3.10/dist-packages/discord/ext/commands/bot.py", line 1347, in invoke
     await ctx.command.invoke(ctx)
   File "/usr/local/lib/python3.10/dist-packages/discord/ext/commands/core.py", line 986, in invoke
     await injected(*ctx.args, **ctx.kwargs)  # type: ignore
   File "/usr/local/lib/python3.10/dist-packages/discord/ext/commands/core.py", line 199, in wrapped
     raise CommandInvokeError(exc) from exc
 discord.ext.commands.errors.CommandInvokeError: Command raised an exception: ClientException: Not connected to voice.
 [2023-03-22 00:27:59] [INFO    ] discord.player: ffmpeg process 12 has not terminated. Waiting to terminate...
 [2023-03-22 00:27:59] [INFO    ] discord.player: ffmpeg process 12 should have terminated with a return code of -9.


  


  My first instinct was that ffmpeg was borking somehow, since it has been difficult to get working in the past. However I'm not sure how ffmpeg could've stopped working, since the bot never went down between working and not working. That leads me to believe it could be a change on Youtube/Discord's side ?

  


  For context, here is a snippet of my !play code :

  


  @client.command(pass_context = True)
async def play(ctx):
    url = ctx.message.content.split("!play ",1)[1]
    voice = discord.utils.get(client.voice_clients)
    if (ctx.author.voice):
        if voice == None:
            channel = ctx.message.author.voice.channel
            voice = await channel.connect()

        # Youtube Magic
        ydl_opts = {
        'format': 'worstaudio/worst',
        'postprocessors': [{
            'key': 'FFmpegExtractAudio',
            'preferredcodec': 'mp3',
            'preferredquality': '192',
        }],
        }

        if "http" not in url:
            yt = YoutubeSearch(url, max_results=1).to_json()
            print(yt)
            yt_id = str(json.loads(yt)['videos'][0]['id'])
            yt_channel = str(json.loads(yt)['videos'][0]['channel']).strip().replace(" ", "")
            url = 'https://www.youtube.com/watch?v='+yt_id+"&ab_channel="+yt_channel

        with yt_dlp.YoutubeDL(ydl_opts) as ydl:
            song_info=ydl.extract_info(url, download=False)
        for file in os.listdir("./"):
            if file.endswith(".mp3"):
                os.rename(file, "song.mp3")

        voice.stop()

        embed_trk = discord.Embed(
                title="Now playing",
                color=ctx.author.color,
        )
        video_title = song_info.get('title', None)
        video_channel = song_info.get('uploader', None)
        embed_trk.add_field(name="Track title", value=video_title, inline=False)
        embed_trk.add_field(name="Channel", value=video_channel, inline=False)

        await ctx.send(embed=embed_trk)
        player = await YTDLSource.from_url(url, loop=client.loop, stream=True)
        voice.play(player, after=lambda e: print(f'Player error: {e}') if e else None)
        while voice.is_playing():
            await asyncio.sleep(1)
        
        await request_record(ctx, video_title)

    else:
        await ctx.send("You must be in a voice channel to run this command")