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• How to adjust showwaves position to the bottom of a video in ffmpeg ?

  14 avril 2021, par Dooyum Ityav

  I am trying to adjust the position of waveform in a video using ffmpeg, the position by default is in th center, but i will like to shift it to the bottom. I know i need to use overlay filter, but how to call it is my problem. I tried this but doesn't work.

  


  ffmpeg -i security3.mp3 -filter_complex "[0:a]showwaves=s=1280x202:mode=line[sw]; [sw]overlay=0:H-h,drawtext=fontcolor=white:x=10:y=10:text='\"Song Title\" by Artist'[out]" -map "[out]" -map 0:a -c:v libx264 -preset fast -crf 18 -c:a copy output.mp4


  


  I am getting this error :

  


  Cannot find a matching stream for unlabeled input pad 1 on filter Parsed_overlay_1


  


  Can someone help me here please ?

  


• How to detect when a mp3 stops playing in ffmpeg

  23 mai 2021, par Jacob Shankman

  back yet again to ask this : I have a ost command for my discord bot. All it does is join the vc that the user is in, and plays a random choice of mp3's that I have as a list. It works fine. Except for when the song is over, it just stays there. Im wondering how to detect when ffmpeg has finished playing the mp3 so
I can execute a function to tell the bot to disconnect once it has finished. Here is the code for the command :

  


  @client.command()
async def speak(message):
    voice_s = await message.author.voice.channel.connect()
    voice_s.play(discord.FFmpegPCMAudio(random.choice(speak_list)))


  


• voice_client.play doesn't continue loop (Discord)

  19 mars 2023, par Razurio

  songs = asyncio.Queue(maxsize=0)
currently_playing = False


@client.command()
async def play(ctx, url):
    global songs
    global currently_playing
    if currently_playing:
        with yt_dlp.YoutubeDL({"format": "bestaudio", "outtmpl": "Queue_Download/%(title)s.%(ext)s"}) as ydl:
            info = ydl.extract_info(url, download=True)
            filename = ydl.prepare_filename(info)
            await songs.put({"file": filename, "info": video_info(url)})
            # print("test 1")
    else:
        with yt_dlp.YoutubeDL({"format": "bestaudio", "outtmpl": "Queue_Download/%(title)s.%(ext)s"}) as ydl:
            info = ydl.extract_info(url, download=True)
            filename = ydl.prepare_filename(info)
            await songs.put({"file": filename, "info": video_info(url)})
            # print("test 2")
        asyncio.create_task(queue(ctx))



async def queue(ctx):
    global songs
    global currently_playing
    currently_playing = True
    while True:
        if songs.empty():
            currently_playing = False
            await ctx.reply("Queue is now empty")
            await ctx.voice_client.disconnect()  # disconnect from voice channel when queue is empty
            break
        else:    
            song = await songs.get()
            filename = song["file"]
            voice_channel = ctx.author.voice.channel
            if not ctx.voice_client:  # check if bot is not already connected to a voice channel
                await voice_channel.connect()

            await ctx.reply('playing')
            await ctx.voice_client.play(discord.FFmpegPCMAudio(filename))

@client.command()
async def stop(ctx):
    global songs
    await ctx.voice_client.disconnect()
    await empty_queue(songs)
    await ctx.reply('Stopped')

async def empty_queue(songs):
    while not songs.empty():
        songs.get_nowait()


  


  I have problems with the "await ctx.voice_client.play(discord.FFmpegPCMAudio(filename))" which doesn't continue after finishing.

  


  I know you can use a after= parameter in voice_client.play() but I didn't manage to get it to work to recursivly call queue()