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• doc/filters : add document for opencl filters

  29 octobre 2018, par Ruiling Song

  doc/filters : add document for opencl filters
  Signed-off-by : Danil Iashchenko <danyaschenko@gmail.com>
  
  Signed-off-by : Ruiling Song <ruiling.song@intel.com>
  
  Signed-off-by : Gyan Doshi <gyandoshi@gmail.com>
  

  • [DH] doc/filters.texi

• How can I make my loop command for a pythin discord bot work ?

  17 octobre 2022, par Dio

  so I am kinda new to python and wanted to make a discord music bot. It works pretty well, except that I am not able to figure out how to code the queue loop command and the playing now command(this one gives me a full link instead of just the name). I have bolded the 2 commands that I cannot figure out.

  


     from ast import alias
import discord
from discord.ext import commands

from youtube_dl import YoutubeDL

class music_cog(commands.Cog):
    def __init__(self, bot):
        self.bot = bot
    
        #all the music related stuff
        self.is_playing = False
        self.is_paused = False
        self.is_loop = False
        self.now_playing =""
        # 2d array containing [song, channel]
        self.music_queue = []
        self.YDL_OPTIONS = {'format': 'bestaudio', 'noplaylist':'True'}
        self.FFMPEG_OPTIONS = {'before_options': '-reconnect 1 -reconnect_streamed 1 -reconnect_delay_max 5', 'options': '-vn'}

        self.vc = None

     #searching the item on youtube
    def search_yt(self, item):
        with YoutubeDL(self.YDL_OPTIONS) as ydl:
            try: 
                info = ydl.extract_info("ytsearch:%s" % item, download=False)['entries'][0]
            except Exception: 
                return False

        return {'source': info['formats'][0]['url'], 'title': info['title']}

    def play_next(self):
        if len(self.music_queue) > 0:
            self.is_playing = True

            #get the first url
            m_url = self.music_queue[0][0]['source']
            self.now_playing =  self.music_queue[0][0]['title']
            #remove the first element as you are currently playing it
            self.music_queue.pop(0)

            self.vc.play(discord.FFmpegPCMAudio(m_url, **self.FFMPEG_OPTIONS), after=lambda e: self.play_next())
        else:
            self.is_playing = False

    # infinite loop checking 
    async def play_music(self, ctx):
        if len(self.music_queue) > 0:
            self.is_playing = True
            m_url = self.music_queue[0][0]['source']
            
            #try to connect to voice channel if you are not already connected
            if self.vc == None or not self.vc.is_connected():
                self.vc = await self.music_queue[0][1].connect()

                #in case we fail to connect
                if self.vc == None:
                    await ctx.send("Could not connect to the voice channel")
                    return
            else:
                await self.vc.move_to(self.music_queue[0][1])
            self.now_playing = m_url
            #remove the first element as you are currently playing it
            self.music_queue.pop(0)

            self.vc.play(discord.FFmpegPCMAudio(m_url, **self.FFMPEG_OPTIONS), after=lambda e: self.play_next())
        else:
            self.is_playing = False

    @commands.command(name="play", aliases=["p","playing"], help="Plays a selected song from youtube")
    async def play(self, ctx, *args):
        query = " ".join(args)
        
        voice_channel = ctx.author.voice.channel
        if voice_channel is None:
            #you need to be connected so that the bot knows where to go
            await ctx.send("Connect to a voice channel!")
        elif self.is_paused:
            self.vc.resume()
        else:
            global song
            song = self.search_yt(query)
            if type(song) == type(True):
                await ctx.send("Could not download the song. Incorrect format try another keyword. This could be due to playlist or a livestream format.")
            else:
                await ctx.send("Song added to the queue")
                self.music_queue.append([song, voice_channel])
                
                if self.is_playing == False:
                    await self.play_music(ctx)

    @commands.command(name="pause", help="Pauses the current song being played")
    async def pause(self, ctx, *args):
        if self.is_playing:
            self.is_playing = False
            self.is_paused = True
            self.vc.pause()
            await ctx.send("Music paused")
        elif self.is_paused:
            self.is_paused = False
            self.is_playing = True
            self.vc.resume()
            await ctx.send("Music resumed")

    @commands.command(name = "resume", aliases=["r"], help="Resumes playing with the discord bot")
    async def resume(self, ctx, *args):
        if self.is_paused:
            self.is_paused = False
            self.is_playing = True
            self.vc.resume()
            await ctx.send("Music resumed")
        else:
            await ctx.send("Music is not paused")

    @commands.command(name="skip", aliases=["s"], help="Skips the current song being played")
    async def skip(self, ctx):
        if self.vc != None and self.vc:
            self.vc.stop()
            #try to play next in the queue if it exists
            await self.play_music(ctx)
            await ctx.send("Skipped current song")

    @commands.command(name="queue", aliases=["q"], help="Displays the current songs in queue")
    async def queue(self, ctx):
        global retval 
        retval = "```"
        for i in range(0, len(self.music_queue)):
            # display a max of 5 songs in the current queue
            #if (i > 4): break
            l = str(i+1)
            retval += l +". " + self.music_queue[i][0]['title'] + "\n"

        if retval != "```":
            retval+="```"
            await ctx.send(retval)
        else:
            await ctx.send("No music in queue")

    **@commands.command(name="loop", help="Loops the queue")**
    async def loop(self, ctx):
        if self.is_loop == False:
            self.is_loop = True
        else:
            self.is_loop = False 
        if self.is_loop == True:
            if len(self.music_queue)==0:
                await ctx.send("No music to loop")
            else:
                i=0
                while self.is_loop == True and i code>

  


• How to write the command line when using FFMPEG to composite accompaniment and recording ?

  25 février 2013, par DaringLi

  I want to record my own song. I want to composite the Accompaniment mp3 and my own song record.

  I want to use command line modal. And do not use cooledit.

  How to write the command line when using FFMPEG to composite accompaniment and recording ?