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--- doc:appunti:linux:video:ripping_dvds_with_mencoder [2017/10/13 16:50] – [OCRing] niccolo
+++ doc:appunti:linux:video:ripping_dvds_with_mencoder [2020/04/21 17:05] (current) – [OCRing] niccolo
@@ Line 1: / Line 1: @@
 ====== Ripping DVDs with Mencoder ======
+:!: For a simple recipe to rip (extract) the content of a DVD using Debian 10, see **[[vobcopy]]**.
 ===== Install the necessary programs =====
@@ Line 200: / Line 201: @@
 ===== Extract Subtitles with transcode =====
+FIXME The following programs are **missing in Debian 10 Buster**: **tcextract**, **subtitle2vobsub** and **subtitle2pgm**. We are searching for some alternatives.
 DVDs have subtitles stored as images. There are some options for dealing with them:
@@ Line 264: / Line 267: @@
 <code>
-cat subtitles_stream.ps1 | subtitle2pgm -c 255,0,0,255
+cat subtitles_stream.ps1 | subtitle2pgm
 </code>
+If you want to control how grey levels are converted, try to use the **%%-c%%** option of subtitle2pgm, something like: **%%-c 255,0,0,255%%**.
 Each subtitle should now be one file named like **movie_subtitle0003.pgm**, and a **movie_subtitle.srtx** file will be created to index them and their times on-screen.
@@ Line 275: / Line 280: @@
 find . -type f -name '*.pgm' | sort | while read file; do
     echo -n "$(basename $file) "
-    tesseract -l eng -psm 4 "$file" "$file"
+    tesseract -l eng --psm 4 "$file" "$file"
 done
 </code>