# HG changeset patch
# User Oleksandr Gavenko <gavenkoa@gmail.com>
# Date 1471993181 -10800
# Node ID 813aa342d9ceea840a9ed50cbd51049a6bbd94c2
# Parent  6ffd71b073850e15924a0c8c4df8c5393f0d2f31
Extract subtitles from video.

diff -r 6ffd71b07385 -r 813aa342d9ce video.rst
--- a/video.rst	Wed Aug 24 01:50:38 2016 +0300
+++ b/video.rst	Wed Aug 24 01:59:41 2016 +0300
@@ -45,6 +45,16 @@
 
   $ ffmpeg -i $IN.avi -vf fps=1 image-%03d.png
 
+Extract subtitles from video
+============================
+
+Find stream id with ``ffprobe $VIDEO`` and pass to::
+
+  $ ffmpeg -y -i in.mkv -map 0:$ID -f webvtt out.vtt
+
+List of supported by ``ffmpeg`` subtitle formats::
+
+  $ ffmpeg -formats | grep subt
 
 Playing 3d film
 ===============