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drawtext: Add an alpha option
authorLuca Barbato <lu_zero@gentoo.org>
Sat, 11 Apr 2015 17:04:25 +0000 (19:04 +0200)
committerLuca Barbato <lu_zero@gentoo.org>
Tue, 21 Apr 2015 09:13:30 +0000 (11:13 +0200)
commit9b2c57bef5e2f3f61a5fd708ba7d5351f5b3f386
tree5f91c4ef886e1fedfc5cb51d0cadc95ba87f3090
parenteaa2d123f0a643664721593d248ece6bcd85f1e6
drawtext: Add an alpha option

And document both `draw` and `alpha`.

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
doc/filters.texi
libavfilter/vf_drawtext.c