avfilter/window_func: use a constant instead of acosh()
authorJames Almer <jamrial@gmail.com>
Sat, 20 Aug 2016 04:03:00 +0000 (01:03 -0300)
committerJames Almer <jamrial@gmail.com>
Sat, 20 Aug 2016 14:50:58 +0000 (11:50 -0300)
commit27ee70290ef4c032bff5c1dd7c0db2f6d17018fe
treea34b246cc726245a6c73383b789bd037866977a9
parent18ce63a60e1bffc35b4df5d8a4f9a1ff1a96cb9a
avfilter/window_func: use a constant instead of acosh()

Should fix compilation with non C99 compilers like msvc 2012, where
acosh() is not available.

Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
libavfilter/window_func.c