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• Use specific channels from specific streams for the final stream using FFMPEG [closed]

  9 juin 2024, par Kazu-kun

  I want to create a 5.1ch audio stream from a 2ch audio stream. However I want to put a negative delay to LFE, SL and SR channels since they will be played from my bluetooth speaker, so I want to make up for the delay by giving it a negative delay.

  


  


  ffmpeg -itsoffset 0.1 -i input.mkv -i input.mkv

  


  -filter_complex “

  


  [1:a]pan=5.1(side)|FL=FL|FR=FR|LFEp>


  [0:a]pan=5.1(side)|FL=FL|FR=FR|LFEp>


  [orig5_1][delayed5_1]amerge=inputs=2,pan=5.1(side)|FL=c6|FR=c7|LFE=c2|SL=c3|SR=c4[a]”

  


  -map "[a]" -map 0:v -map 0:s -c:v copy -c:a flac -c:s copy output.mkv

  


  


  I tried taking the same input twice with the first one being delayed by 0.1 secs. With the delayed input a 5.1 audio is created and with the original another 5.1 audio is created as well. Then the two audio streams are merged with amerge and combined into a single 5.1 audio by taking delayed channels for FL and FR(These will be played from my MacBook) and by taking original channels for LFE, SL and SR(These will be played from my bluetooth JBL). Finally the video and subs streams are taken from the delayed.

  


  The above command gave a "pipe pipe pipe dqoute" error and when I entered the command again it said :

  


  


  zsh : unknown file attribute : i

  


  zsh : no such file or directory : FL+FR

  


  zsh : unknown file attribute : i

  


  zsh : no such file or directory : FL+FR

  


  zsh : unknown file attribute : i

  


  zsh : command not found : -map

  


  


  Please give me a command for my requirement !

  


• Revision 028e5c6ac67357a01f622c5bb3b9a20510f695ff : Validateur intégré : pouvoir filtrer les fichiers d’un répertoire plus ...

  20 août 2010, par Committo,Ergo:sum — Log

  Validateur intégré : pouvoir filtrer les fichiers d’un répertoire plus finement que par l’extension, et indiquer le nombre de fichiers fautifs. Et améliorer la présentation (mais faudrait passer par le feuille de style un jour). git-svn-id : svn ://trac.rezo.net/spip/branches/spip-2.1@15957 (...)

• AttributeError : 'FFmpegAudio' object has no attribute '_process' while trying to play audio from URL

  13 août 2022, par jmcamacho7

  I can't find any solution online and I don't know what's wrong.

  


  My code is : (Not pasting the URL getting since that works fine)

  


  from urllib import parse, request
import re
import pafy
from discord import FFmpegPCMAudio, PCMVolumeTransformer

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

@bot.command(pass_context=True)
async def play(ctx, * , search):
  query_string = parse.urlencode({'search_query': search})
  html_content = request.urlopen('http://www.youtube.com/results?' + query_string)
  search_results=re.findall('watch\?v=(.{11})',html_content.read().decode('utf-8'))
  print(search_results[0])
  
  if(ctx.author.voice):
    channel = ctx.message.author.voice.channel
    await ctx.send("https://www.youtube.com/watch?v="+search_results[0])  
    url = "https://www.youtube.com/watch?v="+search_results[0]
    conn = await channel.connect()
    conn.play(discord.FFmpegAudio(url, **FFMPEG_OPTIONS))
  else:
    await ctx.send("Necesitas estar en un canal de audio para usar este comando")


  


  It just gives me this error everytime I try it :

  


  Traceback (most recent call last):
  File "/home/runner/HakuBot/venv/lib/python3.8/site-packages/discord/player.py", line 103, in __del__
    self.cleanup()
  File "/home/runner/HakuBot/venv/lib/python3.8/site-packages/discord/player.py", line 154, in cleanup
    proc = self._process
AttributeError: 'FFmpegAudio' object has no attribute '_process'


  


  Anyway to solve this ?