这是我目前正在通过我的机器人播放音乐的基本声音。我正在流式传输音频（使用流异步功能），而不是本地下载。无论如何，我可以获取正在播放的歌曲的当前播放时间吗？

因此，只要有人播放一首歌曲，他们就可以随时随地查看他们已经播放了多少首歌曲。

import asyncio

import discord
import youtube_dl

from discord.ext import commands

# Suppress noise about console usage from errors
youtube_dl.utils.bug_reports_message = lambda: ''


ytdl_format_options = {
    'format': 'bestaudio/best','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': 'auto','source_address': '0.0.0.0'
}

ffmpeg_options = {
    'options': '-vn'
}

ytdl = youtube_dl.YoutubeDL(ytdl_format_options)


class YTDLSource(discord.PCMVolumeTransformer):
    def __init__(self,source,*,data,volume=0.5):
        super().__init__(source,volume)

        self.data = data

        self.title = data.get('title')
        self.url = data.get('url')

    @classmethod
    async def from_url(cls,url,loop=None,stream=False):
        loop = loop or asyncio.get_event_loop()
        data = await loop.run_in_executor(None,lambda: ytdl.extract_info(url,download=not stream))

        if 'entries' in data:
            # take first item from a playlist
            data = data['entries'][0]

        filename = data['url'] if stream else ytdl.prepare_filename(data)
        return cls(discord.FFmpegPCMAudio(filename,**ffmpeg_options),data=data)


class Music(commands.Cog):
    def __init__(self,bot):
        self.bot = bot

    @commands.command()
    async def join(self,ctx,channel: discord.VoiceChannel):
        """Joins a voice channel"""

        if ctx.voice_client is not None:
            return await ctx.voice_client.move_to(channel)

        await channel.connect()

    @commands.command()
    async def stream(self,url):
        """Streams from a url (same as yt,but doesn't predownload)"""

        async with ctx.typing():
            player = await YTDLSource.from_url(url,loop=self.bot.loop,stream=True)
            ctx.voice_client.play(player,after=lambda e: print('Player error: %s' % e) if e else None)

        await ctx.send('Now playing: {}'.format(player.title))

    @commands.command()
    async def volume(self,volume: int):
        """Changes the player's volume"""

        if ctx.voice_client is None:
            return await ctx.send("Not connected to a voice channel.")

        ctx.voice_client.source.volume = volume / 100
        await ctx.send("Changed volume to {}%".format(volume))

    @commands.command()
    async def stop(self,ctx):
        """Stops and disconnects the bot from voice"""

        await ctx.voice_client.disconnect()

    @play.before_invoke
    @yt.before_invoke
    @stream.before_invoke
    async def ensure_voice(self,ctx):
        if ctx.voice_client is None:
            if ctx.author.voice:
                await ctx.author.voice.channel.connect()
            else:
                await ctx.send("You are not connected to a voice channel.")
                raise commands.CommandError("Author not connected to a voice channel.")
        elif ctx.voice_client.is_playing():
            ctx.voice_client.stop()

bot = commands.Bot(command_prefix=commands.when_mentioned_or("!"),description='Relatively simple music bot example')

@bot.event
async def on_ready():
    print('Logged in as {0} ({0.id})'.format(bot.user))
    print('------')

bot.add_cog(Music(bot))
bot.run('token')