refactored conversion
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78
badger-am.js
78
badger-am.js
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@ -9,20 +9,21 @@ const recursive = require('recursive-readdir');
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const app = require('./package.json');
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const audio = require('./lib/audio');
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const util = require('./lib/util');
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const cli = require('./lib/cli');
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// generate timestamp
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const start = process.hrtime();
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main();
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badger();
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// "main"
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function main() {
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util.printLogo();
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parseCLI();
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function badger() {
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cli.printLogo();
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run();
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}
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// process command line arguments
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function parseCLI() {
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// start from command lines
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function run() {
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// general options
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commander
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.version(app.version)
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@ -38,70 +39,33 @@ function parseCLI() {
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commander
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.command('sort <input> <output>')
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.description('sort audio files by tags')
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.option('-f, --format <type>', 'specify audio format (\'flac\', \'mp3\')', 'flac')
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.option('-f, --format <type>', 'specify audio format (\'flac\', \'mp3\')', '.flac')
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.action(sort);
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// artwork
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commander
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.command('artwork <input>')
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.description('extract cover artwork')
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.option('-f, --format <type>', 'specify audio format (\'flac\', \'mp3\')', 'flac')
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.option('-f, --format <type>', 'specify audio format (\'flac\', \'mp3\')', '.flac')
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.action(artwork);
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// parse command line arguments
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commander.parse(process.argv);
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}
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// convert files
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function convert(input, output, options) {
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async.waterfall([
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function (asyncCallback) {
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recursive(input, [ignoreFilter], asyncCallback);
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},
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function (files, asyncCallback) {
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console.log(files.length + ' \'flac\' files found');
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// display progressbar
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const bar = util.createProgressBar(files.length);
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// handle each file
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async.eachLimit(files, commander.concurrency, function (file, eachCallback) {
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processFileConvert(output, file, options, function (err) {
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bar.tick();
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if (err) {
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return eachCallback(err);
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}
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eachCallback();
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});
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}, function (err) {
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if (err) {
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return asyncCallback(err);
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}
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asyncCallback();
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});
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}
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], function (err, result) {
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util.exit(err, start);
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});
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function ignoreFilter(file, stats) {
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return !stats.isDirectory() && path.extname(file).indexOf('flac') == -1;
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// create config object
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function getConfig(input, output, options, commander) {
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return {
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input: path.normalize(input),
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output: path.normalize(output),
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concurrency: commander.concurrency || os.cpus().length,
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bitrate: options.bitrate || 320,
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format: options.format || '.flac'
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}
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}
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// move file to location defined by its metadata
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function processFileConvert(output, sourceFile, options, callback) {
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async.waterfall([
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function (asyncCallback) {
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audio.extractMetadata(sourceFile, asyncCallback)
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},
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function (metadata, asyncCallback) {
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util.pathFromMetadata(sourceFile, output, metadata, asyncCallback);
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},
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function (targetFile, asyncCallback) {
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audio.convert(sourceFile, targetFile, options.bitrate, asyncCallback);
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}
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], function (err, results) {
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if (err) {
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return callback(err);
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}
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callback(null, results);
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// convert files
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function convert(input, output, options) {
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audio.batchConvert(getConfig(input, output, options, commander), function (err) {
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cli.exit(err);
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});
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}
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73
lib/audio.js
73
lib/audio.js
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@ -6,29 +6,71 @@ const metadata = require('musicmetadata');
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const ffmpeg = require('fluent-ffmpeg');
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const fse = require('fs-extra');
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const util = require('./util');
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const cli = require('./cli');
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// convert all files in input directory
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function batchConvert(config, callback) {
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async.waterfall([
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// get files
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function (waterfallCallback) {
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util.readDirRecursive(config.input, config.format, waterfallCallback);
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},
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// display info, prompt user and create progressbar
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function (files, waterfallCallback) {
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cli.askForConfirmation(files.length + ' files found.\nstart conversion now?', ['yes', 'y'], function (err) {
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if (err) {
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return waterfallCallback(err);
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}
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waterfallCallback(null, files, cli.createProgressBar(files.length));
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});
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},
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// process each file
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function (files, bar, waterfallCallback) {
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async.eachLimit(files, config.concurrency, function (file, eachCallback) {
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convert(file, config, function (err) {
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bar.tick();
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if (err) {
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return eachCallback(err);
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}
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eachCallback();
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});
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}, waterfallCallback);
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}
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], callback);
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}
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// convert file to mp3 at specified bitrate
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function convert(input, output, bitrate, callback) {
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output = path.join(path.dirname(output), path.basename(output, path.extname(output)) + '.mp3');
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async.series([
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function (asyncCallback) {
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fse.mkdirs(path.dirname(output), asyncCallback);
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function convert(source, config, callback) {
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async.waterfall([
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// get metadata
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function (waterfallCallback) {
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extractMetadata(source, waterfallCallback);
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},
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function (asyncCallback) {
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ffmpeg(path.normalize(input)).audioCodec('libmp3lame').audioBitrate(bitrate).save(output)
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// create path from metadata
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function (metadata, waterfallCallback) {
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util.getPathByMetadata(source, config.output, metadata, waterfallCallback);
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},
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// create target directory
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function (target, waterfallCallback) {
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target = path.join(path.dirname(target), path.basename(target, path.extname(target)) + '.mp3');
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fse.mkdirs(path.dirname(target), function (err) {
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if (err) {
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return waterfallCallback(err);
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}
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waterfallCallback(null, target, config);
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});
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},
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// convert file to mp3
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function (target, config, waterfallCallback) {
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ffmpeg(path.normalize(source)).audioCodec('libmp3lame').audioBitrate(config.bitrate).save(target)
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.on('error', function (err) {
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return asyncCallback(err);
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return waterfallCallback(err);
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})
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.on('end', function () {
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asyncCallback();
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waterfallCallback();
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});
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}
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], function (err, results) {
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if (err) {
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return callback(err);
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}
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callback();
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});
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], callback);
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}
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// extract cover artwork
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@ -68,5 +110,6 @@ function extractMetadata(sourceFile, callback) {
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// api
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exports.convert = convert;
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exports.batchConvert = batchConvert;
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exports.extractArtwork = extractArtwork;
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exports.extractMetadata = extractMetadata;
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@ -1,6 +1,6 @@
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{
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"name": "badger-am",
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"version": "0.4.0",
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"version": "0.4.1",
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"license": "MIT",
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"description": "audio manager",
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"author": "Daniel Sommer <daniel.sommer@velvettear.de>",
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