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• Making my Discord Bot automatically play music from WAV on loop

  5 décembre 2022, par Mativ9

  So I was trying to make a Discord Bot in Python, which would atomatically join a voice channel and play my own music from a list in a loop. So far it's joining the channel, shuffling the list so the music is on random, but when I try to write a code so after one song it will play the next one it crushes and doesn't play anything (tho it's joining the channel)

  


  import discord
import random
from discord.ext import commands
from discord import FFmpegPCMAudio

#playlist as a list
queue = [FFmpegPCMAudio('Iceland1.wav'), FFmpegPCMAudio('Iceland2.wav'), FFmpegPCMAudio('Iceland3.wav'), FFmpegPCMAudio('Iceland4.wav'),
         FFmpegPCMAudio('Iceland5.wav'), FFmpegPCMAudio('Iceland6.wav'), FFmpegPCMAudio('Iceland7.wav'), FFmpegPCMAudio('Iceland8.wav'),
         FFmpegPCMAudio('Iceland9.wav'), FFmpegPCMAudio('Iceland10.wav'), FFmpegPCMAudio('Norway1.wav'), FFmpegPCMAudio('Norway2.wav'),
         FFmpegPCMAudio('Norway3.wav'), FFmpegPCMAudio('Norway4.wav'), FFmpegPCMAudio('Norway5.wav'), FFmpegPCMAudio('Norway6.wav'),
         FFmpegPCMAudio('Norway7.wav'), FFmpegPCMAudio('Norway8.wav'), FFmpegPCMAudio('Norway9.wav'), FFmpegPCMAudio('Norway10.wav'),
         FFmpegPCMAudio('Norway11.wav'), FFmpegPCMAudio('Presents1.wav'), FFmpegPCMAudio('Presents2.wav'), FFmpegPCMAudio('Presents3.wav'),
         FFmpegPCMAudio('Presents4.wav'), FFmpegPCMAudio('Presents5.wav'), FFmpegPCMAudio('Presents6.wav'), FFmpegPCMAudio('Presents7.wav'),
         FFmpegPCMAudio('Presents8.wav'), FFmpegPCMAudio('Presents9.wav'), FFmpegPCMAudio('Presents10.wav'), FFmpegPCMAudio('Autumn1.wav'),
         FFmpegPCMAudio('Autumn2.wav'), FFmpegPCMAudio('Autumn3.wav'), FFmpegPCMAudio('Autumn4.wav'), FFmpegPCMAudio('Autumn5.wav'),
         FFmpegPCMAudio('Autumn6.wav'), FFmpegPCMAudio('Autumn7.wav'), FFmpegPCMAudio('Autumn8.wav'), FFmpegPCMAudio('Covers1.wav'),
         FFmpegPCMAudio('Covers2.wav'), FFmpegPCMAudio('Covers3.wav'), FFmpegPCMAudio('Covers4.wav'), FFmpegPCMAudio('Covers5.wav'),
         FFmpegPCMAudio('Covers6.wav'), FFmpegPCMAudio('Covers7.wav'), FFmpegPCMAudio('Covers8.wav'), FFmpegPCMAudio('Covers9.wav'),
         FFmpegPCMAudio('Covers10.wav'), FFmpegPCMAudio('Covers11.wav'), FFmpegPCMAudio('Covers12.wav')]

intents = discord.Intents.default()
intents.message_content = True
client = commands.Bot(command_prefix='>', intents=intents)

@client.event
async def on_ready():
    global voice
    print("The Matt Bot is ready")
    print("--------------------------")
    await client.change_presence(activity=discord.Game('Matt Krupa')) #makes my bot play Matt Krupa
    channel = client.get_channel(thechannelid) #geting channel ID
    voice = await channel.connect() #connecting to channel
    random.shuffle(queue) #randomazing the playlist
    def after_song(): #moving the first song to the end so its on loop, and playling the next one
        queue.append(queue[0])
        del queue[0]
        player = await voice.play(queue[0], after=await after_song())
    player = await voice.play(queue[0], after=await after_song()) #plays song from the playlist, after the song doing the after_song() function

client.run(mytokenidontwanttoshowitsry)


  


  I wanted it to play all the songs on the infinite loop, i can't find how to correctly detect the end of a song...

  


• discord.py music bot slowing down for longer audio queries

  1er janvier 2023, par Bobluge

  So I'm trying to make a music bot with discord.py. Shown below is a minimum working example of the bot with the problematic functions :

  


  import os

import discord
from discord.ext import commands
from discord import player as p

import yt_dlp as youtube_dl

intents = discord.Intents.default()
intents.members = True

bot = commands.Bot(command_prefix=';')

class Music(commands.Cog):
    def __init__(self, bot):
        self.bot = bot
        self.yt-dlp_opts = {
            'format': 'bestaudio/best',
            'outtmpl': '%(extractor)s-%(id)s-%(title)s.%(ext)s',
            'restrictfilenames': True,
            'noplaylist': True,
            'playlistend': 1,
            'nocheckcertificate': True,
            'ignoreerrors': False,
            'logtostderr': False,
            'quiet': True,
            'no_warnings': True,
            'default_search': 'auto',
            'source_address': '0.0.0.0', # bind to ipv4 since ipv6 addresses cause issues sometimes
        }
        self.ffmpeg_opts = {
            'options': '-vn',
            # Source: https://stackoverflow.com/questions/66070749/
            "before_options": "-reconnect 1 -reconnect_streamed 1 -reconnect_delay_max 5",
        }
        self.cur_stream = None
        self.cur_link = None

    @commands.command(aliases=["p"])
    async def play(self, ctx, url):
        yt-dlp = youtube_dl.YoutubeDL(self.ytdl_opts)
        data = yt-dlp.extract_info(url, download=False)
        filename = data['url']  # So far only works with links
        print(filename)
        audio = p.FFmpegPCMAudio(filename, **self.ffmpeg_opts)
        self.cur_stream = audio
        self.cur_link = filename

        # You must be connected to a voice channel first
        await ctx.author.voice.channel.connect()
        ctx.voice_client.play(audio)
        await ctx.send(f"now playing")

    @commands.command(aliases=["ff"])
    async def seek(self, ctx):
        """
        Fast forwards 10 seconds
        """
        ctx.voice_client.pause()
        for _ in range(500):
            self.cur_stream.read()  # 500*20ms of audio = 10000ms = 10s
        ctx.voice_client.resume()

        await ctx.send(f"fast forwarded 10 seconds")

    @commands.command(aliases=["j"])
    async def jump(self, ctx, time):
        """
        Jumps to a time in the song, input in the format of HH:MM:SS
        """
        ctx.voice_client.stop()
        temp_ffempg = {
            'options': '-vn',
            # Keyframe skipping when passed as an input option (fast)
            "before_options": f"-ss {time} -reconnect 1 -reconnect_streamed 1 -reconnect_delay_max 5",
        }
        new_audio = p.FFmpegPCMAudio(self.cur_link, **temp_ffempg)
        self.cur_stream = new_audio
        ctx.voice_client.play(new_audio)
        await ctx.send(f"skipped to {time}")


bot.add_cog(Music(bot))
bot.run(os.environ["BOT_TOKEN"])


  


  My requirements.txt file :

  


  discord.py[voice]==1.7.3
yt-dlp==2021.9.2


  


  To play a song in Discord the following format is used :

  


  ;p 


  


  Where is any link that yt-dlp supports. Under normal circumstances, the ;p command is used with songs that are relatively short, to which seek() and jump() work extremely quickly to do what they are supposed to do. For example if I execute these sequence of commands in Discord :

  


  ;p https://www.youtube.com/watch?v=n8X9_MgEdCg  <- 4 min song


  


  And when the bot starts playing, spam the following :

  


  ;ff
;ff
;ff
;ff
;ff


  


  The bot is able to almost instantly seek five 10-second increments of the song. Additionally, I can jump to the three minute mark very quickly with :

  


  ;j 00:03:00


  


  From some experimentation, the seek() and jump() functions seem to work quickly for songs that are under 10 minutes. If I try the exact same sequence of commands but with a 15 minute song like https://www.youtube.com/watch?v=Ks9Ck5LfGWE or longer https://www.youtube.com/watch?v=VThrx5MRJXA (10 hours classical music), there is an evident slowdown when running the ;ff command. However, when I include a few seconds of delay between firings of the ;ff command, the seeking is just as fast as previously mentioned. I'm not exactly sure what is going on with yt-dlp/FFmpeg behind the scenes when streaming, but I speculate that there is some sort of internal buffer, and songs that pass a certain length threshold are processed differently.

  


  For longer songs, the seek() command takes longer to get to the desired position, which makes sense since this site specifies that -ss used as an input option loops through keyframes (as there must be more keyframes in longer songs). However, if the following commands are run in Discord :

  


  ;p https://www.youtube.com/watch?v=VThrx5MRJXA  <- 10 hour classical music
;j 09:00:00                                     <- jump to 9 hour mark
;j 00:03:00                                     <- jump to 3 minute mark


  


  The first seek command takes around 5 to 10 seconds to perform a successful seek, which isn't bad, but it could be better. The second seek command takes around the same time as the first command, which doesn't make sense to me, because I thought less keyframes were skipped in order to reach the 3 minute mark.

  


  So I'm wondering what's going on, and how to potentially solve the following :

  


  

  • What is actually going on with the seek() command ? My implementation of seek() uses discord.py's discord.player.FFmpegPCMAudio.read() method, which apparently runs slower if the song's length is longer ? Why ?

  


  • Why does input seeking for long YouTube videos take almost the same time no matter where I seek to ?

  


  • How the yt-dlp and FFmpeg commands work behind the scenes to stream a video from YouTube (or any other website that YTDL supports). Does yt-dlp and FFmpeg behave differently for audio streams above a certain length threshold ?

  


  • Potential ways to speed up seek() and jump() for long songs. I recall some well-known discord music bots were able to do this very quickly.

  


  


• Python Discord music bot stops playing a couple of minutes into any song

  9 mars 2023, par knewby

  I am trying to put together a Python Discord music bot as a fun little project. Outside of the required discord library I'm currently using the YouTube API to search for videos and parse the URL (not shown in code), yt-dlp which is a fork of yt_download that is still maintained to get the info from the YT URL, and FFMPEG to play the song obtained from yt-dlp through the bot. My play command seems to work as the 1st YT video result will start to play, but roughly 30-90 seconds into the audio, it stops playing. I get this message in the console :

  


  2023-02-23 14:54:44 IN discord.player ffmpeg process 4848 successfully terminated with return code of 0.

  


  So there is no error for me to go off of. I've included the full output from the console below...

  


  -----------------------------------
groovy-jr#6741 is up and running
-----------------------------------
2023-02-23 14:53:23 INFO     discord.voice_client Connecting to voice...
2023-02-23 14:53:23 INFO     discord.voice_client Starting voice handshake... (connection attempt 1)
2023-02-23 14:53:24 INFO     discord.voice_client Voice handshake complete. Endpoint found us-south1655.discord.media
2023-02-23 14:54:44 INFO     discord.player ffmpeg process 4848 successfully terminated with return code of 0.  <= AUDIO STOPS


  


  I'm currently developing this project on a Windows 11 machine, but I've had the issue running it on my Ubuntu machine as well. I am just hosting the bot directly from the VSCode terminal for development.

  


  I've been trying to do research on this problem, the problem is I can't find many recent information for the issue. There was another post that talked about a similar problem and had an answer suggesting the following FFMPEG options be used which I tried to no avail.

  


  FFMPEG_OPTIONS = {
                    'before_options': '-reconnect 1 -reconnect_streamed 1 -reconnect_delay_max 5',
                    'options': '-vn',
                 }


  


  I'll include the problem file below :

  


  import discord
from discord.ext import commands
from discord import FFmpegPCMAudio
import responses
import youtubeSearch as YT
import yt_dlp

async def send_message(message, user_message, is_private = False):
    try:
        response = responses.handle_response(user_message)
        await message.author.send(response) if is_private else await message.channel.send(response)
    except Exception as e:
        print(e)

def run_discord_bot():
    intents = discord.Intents.default()
    intents.message_content = True

    TOKEN = 'xxxxxx'
    client = commands.Bot(command_prefix = '-', intents=intents)

    @client.event
    async def on_ready():
        print('-----------------------------------')
        print(f'{client.user} is up and running')
        print('-----------------------------------')

    @client.command(name='play', aliases=['p'], pass_context = True)
    async def play(ctx, *, search_term:str = None):
        if ctx.author.voice:
            voice = None
            if search_term == None:
                await ctx.send('No song specified.')
                return
            if not ctx.voice_client:
                channel = ctx.message.author.voice.channel
                voice = await channel.connect()
            else:
                voice = ctx.guild.voice_client
            
            url = YT.singleSearch(search_term)
            
            YTDLP_OPTIONS = {
                'format': 'bestaudio/best',
                'extractaudio': True,
                'audioformat': 'mp3',
                'outtmpl': '%(extractor)s-%(id)s-%(title)s.%(ext)s',
                'restrictfilenames': True,
                'noplaylist': True,
                'nocheckcertificate': True,
                'ignoreerrors': False,
                'logtostderr': False,
                'quiet': True,
                'no_warnings': True,
                'default_search': 'ytsearch',
                'source_address': '0.0.0.0',
            }

 =====>     FFMPEG_OPTIONS = {
                'before_options': '-reconnect 1 -reconnect_streamed 1 -reconnect_delay_max 5',
                'options': '-vn',
            }

            with yt_dlp.YoutubeDL(YTDLP_OPTIONS) as ydl:
                info = ydl.extract_info(url, download=False)
                playUrl = info['url']

            source = FFmpegPCMAudio(playUrl, options=FFMPEG_OPTIONS)
            voice.play(source)
        else:
            await ctx.send('You must be in a voice channel to play a song!')
            return

    @client.command(pass_context = True)
    async def leave(ctx):
        if ctx.voice_client:
            await ctx.guild.voice_client.disconnect()
        else:
            await ctx.send("I'm not in a voice channel!")

    @client.command(pass_context = True)
    async def pause(ctx):
        voice = discord.utils.get(client.voice_clients, guild = ctx.guild)
        if voice.is_playing():
            voice.pause()
        else:
            await ctx.send('No audio playing...')

    @client.command(pass_context = True)
    async def resume(ctx):
        voice = discord.utils.get(client.voice_clients, guild = ctx.guild)
        if voice.is_paused():
            voice.resume()
        else:
            await ctx.send('No audio paused...')

    @client.command(pass_context = True)
    async def stop(ctx):
        voice = discord.utils.get(client.voice_clients, guild = ctx.guild)
        voice.stop()

    client.run(TOKEN)


  


  I appreciate any guidance I can get !