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• Play ogg file using ffplay / ffmpeg on .NET

  12 juillet 2021, par Rchrd

  I'm trying to play an Ogg file in VB.NET using ffplay.exe but I don't know exactly how.
This is my code :

  


  Private Sub ButtonIR_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ButtonIR.Click
    If IsNotNothing(TextBoxSource.text) Then
        TextBoxDETALLES.Clear()
        Try
            Dim CONVERSOR As New Process

            CONVERSOR.StartInfo.FileName = "C:\ffplay.exe"
            CONVERSOR.StartInfo.Arguments = TextBoxSource.Text 
            CONVERSOR.StartInfo.UseShellExecute = False 
            CONVERSOR.StartInfo.RedirectStandardOutput = True 
            CONVERSOR.StartInfo.RedirectStandardError = True 
            CONVERSOR.StartInfo.CreateNoWindow = True 

            CONVERSOR.Start() 

            While Not CONVERSOR.StandardError.EndOfStream
                TextBoxDETALLES.AppendText(CONVERSOR.StandardError.ReadLine & vbCrLf) 

                Application.DoEvents()
            End While

            MsgBox("HECHO") 
        Catch ex As Exception
            MsgBox(ex.Message)
        End Try
    Else
        MsgBox("Error")
    End If
End Sub


  


  I'm not trying to convert it, I'm trying to play it.

  


• Why does my linux ffmpeg output file require running it back through ffmpeg to play on windows

  13 septembre 2020, par Sean Miller

  I am using the following to screen capture a Raspberry Pi display :

  


  /usr/bin/ffmpeg -v quiet -f lavfi -i anullsrc -f x11grab -framerate 30 -video_size 720x480 -i :0.0 -f flv -b:v 1M /home/pi/usbdrv/myfile.avi"


  


  I stop screen capturing by hitting the letter q and ffmpeg exits without error.

  


  I can play it back with mplayer in Linux.

  


  However, when I try to play it back on Windows with the old media player or its newer movie player, they reports it is corrupted. I tried mp4 and mkv fromats as well.

  


  If I run it back through ffmpeg to encode it to a new file, it will play.

  


  Any thoughts why Windows will not play it without running it back through ffmpeg again ?

  


  Thanks,
Sean

  


• discord.py bot doesn't play music

  29 août 2022, par bon ho

  I'm making music bot with discord.py, but bot doesn't play music. The code doesn't send error message.

  


  my code :

  


  @tree.command(name="play", description="play music")
async def playmusic(interaction:Interaction,url_title:str,playfirst:bool=False):
  await interaction.response.send_message("I'm looking for music!!")
  guild=str(interaction.guild.id)
  try:
    queue[guild]
  except KeyError:
    queue[guild]=[]
  if interaction.user.voice is None:
    await interaction.edit_original_response(content="you must join any voice channel")
  else:
    voice_client: discord.VoiceClient = discord.utils.get(client.voice_clients, guild=interaction.guild)
    if voice_client == None:
      await interaction.user.voice.channel.connect()
      voice_client: discord.VoiceClient = discord.utils.get(client.voice_clients, guild=interaction.guild)
    player = await YTDLSource.from_url(url_title, loop=None)
    if playfirst and len(queue[guild])>1:
      queue[guild].insert(1,player)
    else:
      queue[guild].append(player)
    if not voice_client.is_playing():
      voice_client.play(player,after=None)
      await interaction.edit_original_response(content=f"{player.title} playing!!")
    else:
      await interaction.edit_original_response(content=f"{player.title} enqueued!")
    await asyncio.sleep(7)
    await interaction.delete_original_response()


  


  output :

  


  [INFO    ] discord.player: ffmpeg process 12 successfully terminated with return code of -11.


  


  What should I do ?

  


  version :

  


  discord.py 2.0.0 python 3.10.6