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+;;; my-ytdl.el -- ytdl client -*- lexical-binding: t -*-
+
+;; Copyright (C) 2023 Free Software Foundation.
+
+;; Author: Yuchen Pei <id@ypei.org>
+;; Package-Requires: ((emacs "28.2"))
+
+;; This file is part of dotfiles.
+
+;; dotfiles is free software: you can redistribute it and/or modify it under
+;; the terms of the GNU Affero General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; dotfiles is distributed in the hope that it will be useful, but WITHOUT
+;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+;; or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General
+;; Public License for more details.
+
+;; You should have received a copy of the GNU Affero General Public
+;; License along with dotfiles.  If not, see <https://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; ytdl client. Works with youtube-dl, yt-dlp etc.
+
+;;; Code:
+
+
+(defvar my-ytdl-program "yt-dlp")
+
+(defvar my-ytdl-video-args
+  '("--download-archive" "yt-dlp-archive" "-o"
+;;    "%(id)s.%(ext)s" ;; for long names
+    "%(playlist|.)s/%(playlist_index|)s%(playlist_index&-|)s%(title)s.%(ext)s"
+    ;; https://github.com/yt-dlp/yt-dlp/issues/5630
+    "-f" "bv*[height<=?720]+ba/best[height<=?720]"
+    "--write-subs" "--sub-langs" "en"
+    "--write-description"
+    "--write-thumbnail"))
+
+(defvar my-ytdl-video-download-dir "~/Downloads"
+  "Directory for ytdl to download videos to.")
+
+(defvar my-ytdl-audio-args
+  '("-x" "--download-archive" "yt-dlp-archive" "-o"
+   ;; "%(id)s.%(ext)s" ;; for long names
+    "%(playlist|.)s/%(playlist_index|)s%(playlist_index&-|)s%(title)s.%(ext)s"
+    "--write-description"
+    "--write-thumbnail"))
+
+(defvar my-ytdl-audio-download-dir "~/Downloads"
+  "Directory for ytdl to download audios to.")
+
+(defun my-ytdl-internal (urls type &optional cut-segments)
+  (my-with-default-directory (if (eq type 'video)
+                              my-ytdl-video-download-dir
+                            my-ytdl-audio-download-dir)
+    (apply 'my-start-process-with-torsocks
+           (append
+            (list nil (format "ytdl-%s" urls) (format "*ytdl-%s*" urls)
+                  my-ytdl-program)
+            (if (eq type 'video) my-ytdl-video-args my-ytdl-audio-args)
+            (split-string urls)))))
+
+;;; fixme: autoload
+(defun my-ytdl-video (urls)
+  "Download videos with ytdl."
+  (interactive "sURL(s): ")
+  (my-ytdl-internal urls 'video))
+
+(defun my-ytdl-audio (urls)
+  "Download audio with ytdl."
+  (interactive "sURL(s): ")
+  (my-ytdl-internal urls 'audio))
+
+(provide 'my-ytdl)
+;;; my-ytdl.el ends here