diff --git a/commands/fun/midify.js b/commands/fun/midify.js new file mode 100644 index 0000000..1d13f05 --- /dev/null +++ b/commands/fun/midify.js @@ -0,0 +1,94 @@ +const { Command } = require('discord-akairo'); +const util = require('util'); +const exec = util.promisify(require('child_process').exec); +const youtubedl = require('youtube-dl'); +const os = require('os'); + +class midifyCommand extends Command { + constructor() { + super('midify', { + aliases: ['midify', 'wav2midi', 'w2m', 'mp32midi', 'm2m', 'sound2midi', 's2m'], + category: 'fun', + clientPermissions: ['SEND_MESSAGES', 'ATTACH_FILES'], + args: [ + { + id: 'link', + type: 'string', + } + ], + description: { + content: 'Transform the audio into midi', + usage: '[link to video/music/whatever you want to be midi]', + examples: ['https://www.youtube.com/watch?v=kXYiU_JCYtU'] + } + }); + } + + async exec(message, args) { + let Attachment = (message.attachments).array(); + let url = args.link; + // Get attachment link + if (Attachment[0] && !args.link) { + url = Attachment[0].url; + } + + let input = `${os.tmpdir()}/${message.id}.mp4`; + let input2 = `${os.tmpdir()}/${message.id}.wav`; + let output = `${os.tmpdir()}/${message.id}.mid`; + let output2 = `${os.tmpdir()}/${message.id}.mp3`; + + + let loadingmsg = await message.channel.send('Processing '); + + if (url) { + return youtubedl.exec(url, ['--format=mp4', '-o', input], {}, function(err) { + if (err) { + console.error(err); + loadingmsg.delete(); + return message.channel.send('An error has occured, I can\'t download from the link you provided.'); + } else { + // Convert to wav + exec(`ffmpeg -i ${input} ${input2}`) + .then(() => { + midify(); + }) + .catch(err => { + console.error(err); + return message.channel.send('Oh no! an error has occured during the conversion, are you sure it is a valid file?'); + }); + } + }); + } else { + return message.channel.send('You need a valid video link!'); + } + + function midify() { + // wav to midi + exec(`waon -i ${input2} -o ${output}`) + .then(() => { + // midi to mp3 so we can listen from discord + exec(`timidity ${output} -Ow -o - | ffmpeg -i - -acodec libmp3lame -ab 64k ${output2}`) + .then(() => { + loadingmsg.delete(); + message.delete(); + return message.channel.send({files: [output2]}) + .catch(err => { + console.error(err); + loadingmsg.delete(); + return message.channel.send('On no! an error just occured! perhaps the file is too big?'); + }); + }) + .catch(err => { + console.error(err); + return message.channel.send('Oh no! an error has occured during the conversion, are you sure it is a valid file?'); + }); + }) + .catch(err => { + console.error(err); + return message.channel.send('Oh no! an error has occured during the conversion, are you sure it is a valid file?'); + }); + } + } +} + +module.exports = midifyCommand; \ No newline at end of file