[Ffmpeg-devel] [PATCH] drawtext.c: 06 fix skip underscore

[Gustavo Sverzut Barbieri]

vhook cmdline argument doesn't like nested spaces, so in order to have
spaces in strings used in command line I have to replace underscore
with spaces, but only when used from command line, so if someone want
to use underscores, one may use a file.

Note that in my usage, a security camera application, I use strings
from command line more than file, that's why this behaviour.

This patch also removes unused code inside draw_glyphs loop (increment
pen position).

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Gustavo Sverzut Barbieri
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