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• 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")


  


• FFmpeg streaming to youtube very slowly

  3 avril 2022, par codingmaster398

  Input :

  


  const runCommand = require('./runCommand')

runCommand(
    'ffmpeg',
    `-threads:v 2 -threads:a 8 -filter_threads 2 -thread_queue_size 512 \
-loop 1 -i ./place.png \
-stream_loop -1 \
-i ./track.mp3 \
-pix_fmt yuv420p -c:v libx264 -qp:v 19 -profile:v high -rc:v cbr_ld_hq -level:v 4.2 -r:v 60 -g:v 120 -bf:v 3 -refs:v 16 -preset fast -f flv rtmp://a.rtmp.youtube.com/live2/${process.env.streamkey}`,
    (data) => console.log(data),
    () => console.log('finished')
  )


  


  Output :

  


  x    
frame=  588 fps=8.7 q=21.0 size=    9000kB time=00:00:22.76 bitrate=3238.2kbits/s speed=0.339x    
frame=  590 fps=8.7 q=19.0 size=    9001kB time=00:00:22.83 bitrate=3229.4kbits/s speed=0.336x    
frame=  597 fps=8.7 q=21.0 size=    9007kB time=00:00:23.11 bitrate=3191.5kbits/s speed=0.337x    
frame=  603 fps=8.7 q=20.0 size=    9012kB time=00:00:23.36 bitrate=3159.3kbits/s speed=0.338x    
frame=  608 fps=8.7 q=21.0 size=    9016kB time=00:00:23.56 bitrate=3133.9kbits/s speed=0.339x    
frame=  614 fps=8.8 q=19.0 size=    9021kB time=00:00:23.80 bitrate=3104.9kbits/s speed=0.339x    
frame=  617 fps=8.7 q=21.0 size=   10702kB time=00:00:23.92 bitrate=3663.8kbits/s speed=0.337x    
frame=  623 fps=8.7 q=20.0 size=   10735kB time=00:00:24.16 bitrate=3638.9kbits/s speed=0.338x    
frame=  629 fps=8.7 q=21.0 size=   10740kB time=00:00:24.40 bitrate=3605.8kbits/s speed=0.338x    
frame=  635 fps=8.7 q=20.0 size=   10745kB time=00:00:24.63 bitrate=3573.1kbits/s speed=0.339x    
frame=  643 fps=8.8 q=20.0 size=   10751kB time=00:00:24.96 bitrate=3527.4kbits/s speed=0.341x    
frame=  646 fps=8.8 q=19.0 size=   10754kB time=00:00:25.08 bitrate=3512.1kbits/s speed=0.341x    
frame=  651 fps=8.8 q=20.0 size=   10758kB time=00:00:25.28 bitrate=3485.6kbits/s speed=0.341x    
frame=  656 fps=8.8 q=21.0 size=   10762kB time=00:00:25.48 bitrate=3459.6kbits/s speed=0.341x    
frame=  658 fps=8.7 q=19.0 size=   10764kB time=00:00:25.56 bitrate=3448.7kbits/s speed=0.338x    
frame=  664 fps=8.7 q=21.0 size=   10769kB time=00:00:25.81 bitrate=3417.9kbits/s speed=0.338x


  


  Why is my FPS so low when streaming to Youtube ?

  


  P.S. The process is using very low memory and CPU, can I sacrifice a bit more for it ?


  


• How to use ffmpeg on Android, Kivy, python3, youtube-dl

  7 avril 2022, par Adarsh Singh

  I am trying to create an app using Kivy 1.11.1 using youtube-dl module in python3. I am using buildozer to create apk from python source code which usage python-for-android to create apk. I have mentioned ffmpeg in buildozer requirements. I can see ffmpeg in pythonforandroid/recipes/.
After installing form apk, when I try to print ffmpeg version using the following

  


  merger = youtube_dl.postprocessor.FFmpegMergerPP()
merger._determine_executables()
print(merger.get_versions())


  


  I get this output

  


  {'avprobe': False, 'avconv': False, 'ffmpeg': False, 'ffprobe': False}


  


  which indicate that ffmpeg in not installed in android

  


  this line is included in my buildozer.spec

  


  requirements = python3,kivy,ffmpeg,youtube_dl,kivymd,kivmob,ffpyplayer,ffpyplayer_codecs,ffmpeg-python


  


  except ffmpeg rest all package are installed properly

  


  I am not sure whether this is useful but I saw this in pythonforandroid/recipes/ffmpeg/init.py

  


  def build_arch(self, arch):
        with current_directory(self.get_build_dir(arch.arch)):
            env = arch.get_env()

            flags = ['--disable-everything']


  


  **Goal : ** I want to use ffmpeg in youtube_dl via python3 after installing application from apk created by buildozer.