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youtube-cue
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pull/76/head
Nemo 1 year ago
parent bcae4ebeb1
commit 9cc3cd4228
4 changed files with 69 additions and 59 deletions
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  1. 54
      index.js
  2. 13
      src/cue.js
  3. 29
      src/parser.js
  4. 32
      test/parser_test.js

54
index.js
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@ -1,16 +1,16 @@
#!/usr/bin/env node
import ytdl from 'ytdl-core';
import getArtistTitle from 'get-artist-title'
import {parse} from './src/parser.js'
import {generate} from './src/cue.js'
import minimist from 'minimist'
import exit from 'process'
import ytdl from "ytdl-core";
import getArtistTitle from "get-artist-title";
import { parse } from "./src/parser.js";
import { generate } from "./src/cue.js";
import minimist from "minimist";
import exit from "process";
let argv = minimist(process.argv.slice(2), {
string: 'audio-file'
string: "audio-file",
});
if (argv._.length <1 || argv.help ){
if (argv._.length < 1 || argv.help) {
console.log(`Usage
$ youtube-cue [--audio-file audio.m4a] <youtube_url> [output_file]
@ -36,32 +36,38 @@ if (argv._.length <1 || argv.help ){
$ youtube-cue --audio-file audio.m4a "https://www.youtube.com/watch?v=THzUassmQwE"
"T A Y L O R S W I F T – Folklore [Full album].cue" saved
$ youtube-cue "https://youtu.be/THzUassmQwE" folklore.cue
folklore.cue saved`)
folklore.cue saved`);
} else {
let url = argv._[0]
let url = argv._[0];
ytdl.getInfo(url).then(info=>{
let audioFile = argv['audio-file']? argv['audio-file'] : `${info.videoDetails.title}.m4a`
ytdl.getInfo(url).then((info) => {
let audioFile = argv["audio-file"]
? argv["audio-file"]
: `${info.videoDetails.title}.m4a`;
let output_file = argv._[1]? argv._[1] : `${info.videoDetails.title}.cue`
let output_file = argv._[1] ? argv._[1] : `${info.videoDetails.title}.cue`;
let forceTimestamps = argv['timestamps']? argv['timestamps'] : false;
let forceTimestamps = argv["timestamps"] ? argv["timestamps"] : false;
let forceDurations = argv['durations']? argv['durations'] : false;
let forceDurations = argv["durations"] ? argv["durations"] : false;
if (forceTimestamps && forceDurations) {
console.error("You can't pass both --timestamps and durations");
exit(1)
exit(1);
}
let res = getArtistTitle(info.videoDetails.title,{
let res = getArtistTitle(info.videoDetails.title, {
defaultArtist: "Unknown Artist",
defaultTitle: info.videoDetails.title
defaultTitle: info.videoDetails.title,
});
let [artist, album] = res
artist = (info.videoDetails.media ? info.videoDetails.media.artist : artist)
let tracks = parse(info.videoDetails.description, {artist, forceTimestamps, forceDurations})
generate({tracks, artist, audioFile, album}, output_file)
console.log(`"${output_file}" saved`)
})
let [artist, album] = res;
artist = info.videoDetails.media ? info.videoDetails.media.artist : artist;
let tracks = parse(info.videoDetails.description, {
artist,
forceTimestamps,
forceDurations,
});
generate({ tracks, artist, audioFile, album }, output_file);
console.log(`"${output_file}" saved`);
});
}

13
src/cue.js
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@ -1,21 +1,24 @@
import fs from 'fs';
import fs from "fs";
// https://en.wikipedia.org/wiki/Cue_sheet_(computing)
export function generate(data, outputFile) {
try {
fs.truncateSync(outputFile)
fs.truncateSync(outputFile);
} catch {}
fs.appendFileSync(outputFile, `REM Generated using youtube-cue\n`);
fs.appendFileSync(outputFile, `PERFORMER "${data.artist}"\n`);
fs.appendFileSync(outputFile, `TITLE "${data.album}"\n`);
fs.appendFileSync(outputFile, `FILE "${data.audioFile}" M4A\n`);
for(var i in data.tracks) {
for (var i in data.tracks) {
let song = data.tracks[i];
let minutes = (song.start.hh * 60) + (song.start.mm)
let minutes = song.start.hh * 60 + song.start.mm;
fs.appendFileSync(outputFile, ` TRACK ${song.track} AUDIO\n`);
fs.appendFileSync(outputFile, ` TITLE "${song.title}"\n`);
fs.appendFileSync(outputFile, ` PERFORMER "${song.artist}"\n`);
// Cue File is always MINUTES:SECONDS:FRAME, where FRAME is 00
fs.appendFileSync(outputFile, ` INDEX 01 ${minutes}:${song.start.ss}:00\n`);
fs.appendFileSync(
outputFile,
` INDEX 01 ${minutes}:${song.start.ss}:00\n`
);
}
}

29
src/parser.js
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@ -20,7 +20,8 @@
*
* It is suggested to check their lengths and pick one to parse as the Track Title
*/
const TS_REGEX = /^((?<trackl>\d{1,3})\.)? *(?<text_1>.*?) *[\(\[]?(?<start_ts>((?<start_hh>\d{1,2}):)?(?<start_mm>\d{1,2}):(?<start_ss>\d{1,2})) *-? *[\)\]]?(?<end_ts>(?<end_hh>\d{1,2}:)?(?<end_mm>\d{1,2}):(?<end_ss>\d{1,2}))? *((?<trackr>\d{1,3})\.)? *(?<text_2>.*?)$/;
const TS_REGEX =
/^((?<trackl>\d{1,3})\.)? *(?<text_1>.*?) *[\(\[]?(?<start_ts>((?<start_hh>\d{1,2}):)?(?<start_mm>\d{1,2}):(?<start_ss>\d{1,2})) *-? *[\)\]]?(?<end_ts>(?<end_hh>\d{1,2}:)?(?<end_mm>\d{1,2}):(?<end_ss>\d{1,2}))? *((?<trackr>\d{1,3})\.)? *(?<text_2>.*?)$/;
import getArtistTitle from "get-artist-title";
var _options = {};
@ -30,12 +31,12 @@ function convertTime(h, m, s) {
}
// Only picks out lines which have a timestamp in them
var filterTimestamp = function(line) {
var filterTimestamp = function (line) {
return TS_REGEX.test(line);
};
// Parse each line as per the regex
var firstPass = function(line) {
var firstPass = function (line) {
let matches = line.match(TS_REGEX);
let track = matches.groups["trackl"]
? +matches.groups["trackl"]
@ -71,7 +72,7 @@ var firstPass = function(line) {
};
// Add a calc attribute with total seconds
var calcTimestamp = function(obj) {
var calcTimestamp = function (obj) {
if (obj.end) {
obj.end.calc = convertTime(obj.end.hh, obj.end.mm, obj.end.ss);
}
@ -80,7 +81,7 @@ var calcTimestamp = function(obj) {
};
// Pick the longer "text" from left or right side.
var parseTitle = function(obj) {
var parseTitle = function (obj) {
obj.title =
obj._.left_text.length > obj._.right_text.length
? obj._.left_text
@ -89,7 +90,7 @@ var parseTitle = function(obj) {
};
// Parse the text as the title/artist
var parseArtist = function(obj) {
var parseArtist = function (obj) {
let [artist, title] = getArtistTitle(obj.title, {
defaultArtist: _options.artist,
defaultTitle: obj.title,
@ -100,7 +101,7 @@ var parseArtist = function(obj) {
};
// If track numbers are not present, add them accordingly
var addTrack = function(obj, index) {
var addTrack = function (obj, index) {
if (obj.track == null) {
obj.track = index + 1;
}
@ -108,7 +109,7 @@ var addTrack = function(obj, index) {
};
// Add "end" timestamps as next start timestamps
var addEnd = function(obj, index, arr) {
var addEnd = function (obj, index, arr) {
if (!obj.end) {
if (arr.length != index + 1) {
let next = arr[index + 1];
@ -119,7 +120,7 @@ var addEnd = function(obj, index, arr) {
return obj;
};
var timeToObject = function(obj) {
var timeToObject = function (obj) {
let d = new Date(obj.calc * 1000).toISOString();
obj.hh = +d.substr(11, 2);
obj.mm = +d.substr(14, 2);
@ -131,7 +132,7 @@ var timeToObject = function(obj) {
// Instead of timestamps, some tracklists use durations
// If durations are provided, use them to re-calculate
// the starting and ending timestamps
var fixDurations = function(list) {
var fixDurations = function (list) {
for (let i in list) {
if (i == 0) {
// Set the first one to start of track.
@ -167,7 +168,7 @@ export function parse(
if (!options.forceTimestamps) {
// If our timestamps are not in increasing order
// Assume that we've been given a duration list instead
if (result[0].start.calc!=0) {
if (result[0].start.calc != 0) {
result.forEach((current, index, list) => {
if (index > 0) {
let previous = list[index - 1];
@ -183,9 +184,5 @@ export function parse(
}
}
return result
.map(parseTitle)
.map(parseArtist)
.map(addTrack)
.map(addEnd);
return result.map(parseTitle).map(parseArtist).map(addTrack).map(addEnd);
}

32
test/parser_test.js
Unescape View File

@ -24,21 +24,21 @@ Hello World 48:20
const TEXT_WITH_ARTIST = "12:23 Rolling Stones - Hello World";
describe("Parser", function() {
describe("Parser", function () {
var big_result;
before(function() {
before(function () {
big_result = parse(TEXT);
});
it("should find all timestamps", function() {
it("should find all timestamps", function () {
assert.equal(big_result.length, 15);
});
it("should find artist names", function() {
it("should find artist names", function () {
let result = parse(TEXT_WITH_ARTIST);
assert.equal(result[0].artist, "Rolling Stones");
});
it("should find track numbers", function() {
it("should find track numbers", function () {
assert.equal(big_result[3].track, 1);
assert.equal(big_result[4].track, 2);
assert.equal(big_result[5].track, 3);
@ -51,7 +51,7 @@ describe("Parser", function() {
assert.equal(big_result[12].track, 10);
});
it("should ensure ending timestamps for all", function() {
it("should ensure ending timestamps for all", function () {
assert.deepEqual(big_result[13].end, {
calc: 3023,
hh: 0,
@ -63,8 +63,9 @@ describe("Parser", function() {
assert.deepEqual(big_result[14].end, null);
});
it("should parse timestamps with square brackets", function() {
let result = parse(`[00:00:00] 1. Steve Kroeger x Skye Holland - Through The Dark
it("should parse timestamps with square brackets", function () {
let result =
parse(`[00:00:00] 1. Steve Kroeger x Skye Holland - Through The Dark
[00:02:53] 2. Gabri Ponte x Jerome - Lonely `);
assert.deepEqual(result[0], {
artist: "Steve Kroeger x Skye Holland",
@ -79,7 +80,7 @@ describe("Parser", function() {
});
});
it("should parse durations when given", function() {
it("should parse durations when given", function () {
let result = parse(`1. Artist - Title 6:19
2. Another Artist - Another Title 6:59
3. Yet Another Artist - Yet another title 5:12`);
@ -113,7 +114,7 @@ describe("Parser", function() {
});
});
it("should parse as timestamps if first timestamp is 00:00", function() {
it("should parse as timestamps if first timestamp is 00:00", function () {
let result = parse(`1. Artist - Title 00:00
2. Another Artist - Another Title 01:00
3. Yet Another Artist - Yet another title 02:00`);
@ -140,11 +141,14 @@ describe("Parser", function() {
track: 3,
end: null,
start: { ts: "00:02:00", hh: 0, mm: 2, ss: 0, calc: 120 },
_: { left_text: "Yet Another Artist - Yet another title", right_text: "" },
_: {
left_text: "Yet Another Artist - Yet another title",
right_text: "",
},
});
});
it("should parse durations as timestamps when forced", function() {
it("should parse durations as timestamps when forced", function () {
let result = parse(
`1. Artist - Title 5:00
2. Another Artist - Another Title 4:20`,
@ -166,7 +170,7 @@ describe("Parser", function() {
});
});
it("should parse timestamps as durations when forced", function() {
it("should parse timestamps as durations when forced", function () {
let result = parse(
`1. Artist - Title 1:00
2. Another Artist - Another Title 1:15`,
@ -214,7 +218,7 @@ describe("Parser", function() {
});
});
it("should parse taylor swift", function() {
it("should parse taylor swift", function () {
let result = parse(`0:00 the 1
3:29 cardigan
9:30 the last great american dynasty

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