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• How to seek to a position in a song Discord.js ?

  4 décembre 2020, par hrishit biswas

  I am facing some difficulty with seeking to a specified timestamp in the current song. I have separate files for all my commands. I want to create a seek.js file which takes input a specified time and then passes it to the play.js file(it plays the current song in the queue) but the problem is I cant seem to find a way to how do this.

  


  This is my play command.

  


  const { Collector } = require("discord.js");
const ytdlDiscord = require("ytdl-core-discord");
//const play = require("../commands/play");
module.exports = {
    async play(song, message){
        const queue = message.client.queue.get(message.guild.id);

        if(!song){
            setTimeout(function(){
                if(!queue.connection.dispatcher && message.guild.me.voice.channel){
                    queue.channel.leave();
                    queue.textChannel.send(`**Cadenza** left successfully`).catch(console.error);
                }
                else return;
            },120000);
            
            message.client.queue.delete(message.guild.id);
            return queue.textChannel.send(`**Music Queue Ended**`);
        }
        let stream = await ytdlDiscord(song.url,{filter: 'audioonly', quality: 'highestaudio', highWaterMark: 1<<25});
        let streamType = song.url.includes("youtube.com") ? "opus" : "ogg/opus";
        queue.connection.on("disconnect", () => message.client.queue.delete(message.guild.id));
        const dispatcher = queue.connection
         .play(stream, {type: streamType, highWaterMark: 1})
         .on("finish", () => {
             if(queue.loop){
                 let last = queue.songs.shift();
                 queue.songs.push(last);
                 module.exports.play(queue.songs[0], message);
             }else{
             queue.songs.shift();
             module.exports.play(queue.songs[0], message);
             }

         })
         .on("error", (err) => {
             console.error(err);
             queue.songs.shift();
             module.exports.play(queue.songs[0], message);
         });
         dispatcher.setVolumeLogarithmic(queue.volume / 100);
        queue.textChannel.send(`Started Playing **${song.title}**`);
    }
};


  


  seek command

  


  const { play } = require("../include/play");
function timeConvert(str){
    const t = str.split(':');
    let s = 0, m = 1;
    while(t.length > 0){
        s = +m * parseInt(t.pop(),10);
        m = m * 60;
    }
    return s;
}
module.exports = {
    name: 'seek',
    description: 'Seeks to a certain point in the current track.',
    execute(message,args){
        const queue = message.client.queue.get(message.guild.id);
        if(!queue) return message.channel.send("There is no song playing.").catch(console.error);
        queue.playing = true;
        let time = timeConvert(args[0]);
        if( time > queue.songs[0].duration)
          return message.channel.send(`**Input a valid time**`);
        else{
            let time = timeConvert(args[0]) * 1000;
            #main code here
        }
    }
}


  


  How can I pass the time variable to play() so that the current song seeks to that amount ?

  


• FFMPEG How to join the audio of one song into the instrumental of another song

  28 mai 2020, par Patrice Andala

  The Problem :

  



  So I am creating an android app where people can upload music and I want people to be able to take the vocals of one song and the instrumental from another song and merge them to create a different song, and I think the android FFMPEG library is the best way to accomplish this.

  



  What I've been able to do :

  



  1.) I have been able to get the instrumental from a song using this command : -i audio1.mp3 -af pan='stereo|c0=c0|c1=-1*c1' -ac 1 output.mp3But the job isn't so good, since I can still hear some audio in the background and not all the audio is removed.

  



  2)I've been able to join two audio files using the command -y -i audio1.mp3 -i audio2.mp3 -filter_complex '[0:0][1:0] amix=inputs=2:duration=longest' -c:a libmp3lame output.mp3

  



  What I need

  



  1) I need to be able to strip just the vocals of a song. Is there an FFMPEG command to do this ?

  



  2)I need a better command to get me the instrumental of the song, since the one I'm using is not goood enough.

  



  3) I need a command that will help me determine the starting point of a song in an instrumental, so that I know where to place the new vocals when I finally merge them.

  



  4) How to get the bpm of an audio file with ffmpeg, since I know songs mix well when their bmp is almost similar

  



  Any help in any of these areas is greatly appreciated.

  


• How can I debug this rtmp stream ? It wont play on Vlc, and logs show no error

  12 avril 2020, par SquirrelSenpai

  I am creating a rtmp stream using FFMPEG and sending the data to local NGINX server with the RTMP module.

  



  When playing the stream in VLC I am unable to hear any music. Have I missed something ?

  



  No FFMPEG errors according to logs

  



  fmpeg -hide_banner -loglevel warning -i http://x.x.x.x:8138 -f mp3 rtmp://localhost/live


  



  To test VLC >> Open Network Stream >> rtmp ://localhost/live

  



  Nginx.conf

  



  worker_processes auto;
pid /run/nginx.pid;
include /etc/nginx/modules-enabled/*.conf;

events {
        worker_connections 768;
        # multi_accept on;
}

rtmp_auto_push on;

rtmp{

        server{

                listen 1935;

                application live {

                        # enable live streaming
                        live on;
                        record off;

                        # publish only from localhost
                        allow publish all;
                        allow play all;

                }

        }

}