ebook-to-audio-book

   1 #! /usr/bin/env bb
   2 ; -*- mode: clojure -*-
   3
   4 ; A utility to listen to your ebooks using TTS programs
   5 ;
   6 ; This utility only works on macOS for now.
   7
   8 (require '[clojure.java.io :as io]
   9          '[clojure.string :refer [split]]
  10          '[lib :refer [run-cmd extract-file-from-zip unixify]])
  11
  12 ;; TODO Check if all required utilities are installed
  13 ;; TODO Allow voice selection
  14
  15 (let [default-voice (run-cmd ["defaults" "read" "com.apple.speech.voice.prefs" "SelectedVoiceName"])]
  16   (println (str "Will read using the default voice " default-voice)))
  17
  18 ;; TODO Use festival-tts or say depending on OS
  19
  20 (defn- convert
  21   [book-file]
  22   (let [title (first (split book-file #"\."))
  23         txtz-file (str title ".txtz")
  24         txt-file (str title ".txt")
  25         aiff-file (str title ".aiff")
  26         mp3-file (str title ".mp3")]
  27     (println "Converting to text...")
  28     (run-cmd ["ebook-convert" book-file txtz-file])
  29     (extract-file-from-zip txtz-file "index.txt" txt-file)
  30     (println "Converting text to audio. Don't hold your breath!")
  31     (run-cmd ["say" "-f" txt-file "-o" aiff-file])
  32     (println "Creating mp3 file...")
  33     (run-cmd ["ffmpeg" "-i" aiff-file mp3-file])
  34     (println "Cleaning up...")
  35     (run! io/delete-file [txtz-file txt-file aiff-file])
  36     (println (str "Done! Check out " mp3-file))))
  37
  38 (unixify convert)