Generate YouTube Download commands for yt-dlp terminal

Enhance downloading capabilities on YouTube with playlist and channel support.
目前为 2024-07-12 提交的版本。查看最新版本。
换行
// ==UserScript==
// @name         Generate YouTube Download commands for yt-dlp terminal
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Enhance downloading capabilities on YouTube with playlist and channel support.
// @author       ChatGPT
// @match        *://*.youtube.com/*
// @grant        GM_setClipboard
// @grant        GM_registerMenuCommand
// @license MIT 
// ==/UserScript==

(function() {
    'use strict';

    function isPlaylist() {
        return window.location.href.includes("list=");
    }

    function isChannel() {
        return window.location.href.includes("/channel/") || window.location.href.includes("/user/");
    }

    const ytDlpCommand = (mode, quality = '') => {
        const url = window.location.href;
        let command = "yt-dlp ";
        let isPL = isPlaylist();
        let isCH = isChannel();

        if (isPL || isCH) {
            command += isPL ? "--yes-playlist " : "";
            command += isCH ? "--download-archive channel_archive.txt " : ""; // Using an archive file to avoid re-downloads
        }

        switch (mode) {
            case 'audio':
                command += `--extract-audio --audio-format m4a --audio-quality 0 -o "%(playlist)s/%(playlist_index)s - %(uploader)s - %(title)s (via yt-dlp).%(ext)s" -f "bestaudio[ext=m4a]/bestaudio/bestvideo+bestaudio" "${url}"`;
                break;
            case 'video':
                let videoQuality = 'bestvideo+bestaudio';
                if (quality) {
                    videoQuality = `bestvideo[height<=${quality}]+bestaudio/best`;
                }
                command += `-f "${videoQuality}" --merge-output-format mkv -o "%(playlist)s/%(playlist_index)s - %(uploader)s - %(title)s %(height)sp (via yt-dlp).%(ext)s" "${url}"`;
                break;
            case 'comments':
            case 'chat':
                let fileType = (mode === 'comments') ? "comments and description" : "live chat";
                command += `--write-${mode} -o "%(playlist)s/%(playlist_index)s - %(uploader)s - %(title)s ${fileType} (via yt-dlp).%(ext)s" "${url}"`;
                break;
        }

                // Remove playlist-specific parts if not a playlist page
        if (!isPL) {
            command = command.replace(/%(playlist)s\/%(playlist_index)s - /g, "");
            command = command.replace("%(playlist)s/%(playlist_index)s - ", "");
        }

        // Remove channel-specific parts if not a channel page
        if (!isCH) {
            command = command.replace(/--download-archive channel_archive\.txt /g, "");
        }

        GM_setClipboard(command);
        alert("Command copied to clipboard:\n" + command);
    };

    // Registering menu commands
    GM_registerMenuCommand("Download Audio (m4a)", () => ytDlpCommand('audio'), 'a');
    GM_registerMenuCommand("Download Comments", () => ytDlpCommand('comments'), 'c');
    GM_registerMenuCommand("Download Chat", () => ytDlpCommand('chat'), 'ch');
    GM_registerMenuCommand("Download Video (Best)", () => ytDlpCommand('video'), 'v');
    GM_registerMenuCommand("Download Video (4K)", () => ytDlpCommand('video', '2160'), '4');
    GM_registerMenuCommand("Download Video (1080p)", () => ytDlpCommand('video', '1080'), '1');
    GM_registerMenuCommand("Download Video (720p)", () => ytDlpCommand('video', '720'), '7');
    GM_registerMenuCommand("Download Video (480p)", () => ytDlpCommand('video', '480'), '4');
})();
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