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@@ -2278,6 +2278,14 @@ OPTIONS
This affects ASS subtitles as well, and may lead to incorrect subtitle
rendering. Use with care, or use ``--sub-text-font-size`` instead.
+``--sub-scale-with-window=yes|no``
+ Make the subtitle font size relative to the window, instead of the video.
+ This is useful if you always want the same font size, even if the video
+ doesn't covert the window fully, e.g. because screen aspect and window
+ aspect mismatch (and the player adds black bars).
+
+ Like ``--sub-scale``, this can break ASS subtitles.
+
``--sub-speed=<0.1-10.0>``
Multiply the subtitle event timestamps with the given value. Can be used
to fix the playback speed for frame-based subtitle formats. Works for