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• Uncomplete path recognition (FFmpeg) [duplicate]

  23 septembre 2022, par Francesco Battisti

  The script should download an entire playlist (only one song for this test) from YT and convert all the downloaded MP4 to MP3 :

  


  from distutils import extension
from pytube import Playlist
import os

link = input("Enter YouTube Playlist URL: ")

yt_playlist = Playlist(link)

for video in yt_playlist.videos:
    downloaded_file = video.streams.filter(only_audio=True).first().download(r"C:\Users\Francesco\Desktop\Music\JC's\+++NEW+++")
    file, extension = os.path.splitext(downloaded_file)
    # Convert video into .mp3 file
    os.system('ffmpeg -i {file}{ext} {file}.mp3'.format(file=file, ext=extension))


  


  Now, when I put the playlist's url in input, the script downloads the song but it can't convert it because :

  


  C:\Users\Francesco\Desktop\Music\JC's\+++NEW+++\Ariete: No such file or directory


  


  but the right path is :

  


  C:\Users\Francesco\Desktop\Music\JC's\+++NEW+++\Ariete - LULTIMA NOTTE Testo  Lyrics


  


  so it stops when is there a space in directory name...

  


• FFMPEG unable to find a suitable option format for 'reconnect' error

  14 août 2021, par Fayeze Salih

  import discord
from discord.ext import commands
from discord.ext.commands.core import command
import youtube_dl

class Music(commands.Cog):
    def __init__(self, client):
        self.client = client
    
    @commands.command()
    async def play(self, ctx, url):
        ctx.voice_client.stop()
        FFMPEG_OPTIONS = {'before_options': 'reconnect 1 -reconnect_streamed 1 -reconnect_delay_max 5', 'options': '-vn'}
        YDL_OPTIONS = {'format': 'bestaudio'}
        vc = ctx.voice_client

        with youtube_dl.YoutubeDL(YDL_OPTIONS) as ydl:
            info = ydl.extract_info(url, download=False)
            url2 = info['formats'][0]['url']
            source = await discord.FFmpegOpusAudio.from_probe(url2, **FFMPEG_OPTIONS)
            vc.play(source)

def setup(client):
    client.add_cog(music(client))


  


  This code for my music bot returns the error,

  


  


  [NULL @ 0000018dc5d76e40] Unable to find a suitable output format for 'reconnect'
reconnect : Invalid argument.

  


  


  Why ? I have tried making sure that I am using hyphens but that hasn't fixed the issue.

  


• What are those bars in audio visualizer exactly ? Need to make visualizer with help of ffmpeg

  3 novembre 2019, par Soroosh

  I’m trying to understand what are those bars in audio visualizers exactly.

  

  I tried to decode a mp3 file using ffmpeg like this :

  ffmpeg -i music.mp3 -t 1 -f s8 -acodec pcm_s8 -ar 1 out_1sec_sr1.raw

  The output of this command is raw data of first second of the music.mp3 in 1hz samplerate.
  But the output file contains just 2 bytes !!! one for the left channel and one for the right channel. I’m pretty sure that it is not possible to visualize a second of a music using only two bytes. I guess each bar in below picture is at least one byte.
  Am I missing something in ffmpeg command ? Is pcm_s8 codec appropriate for getting such data to visualize audio at all ?

  I’m using this library in my android project to use ffmpeg :
  https://github.com/brarcher/ffmpeg-android-java

  I do not have any problem in drawing those bars and reading raw data file from storage using inputStream.