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avfilter/firequalizer: fix blackman window calculation 

Signed-off-by: Muhammad Faiz <mfcc64@gmail.com>
This commit is contained in:
Muhammad Faiz 2016-10-10 02:27:31 +07:00
parent 3e5d27d7a7
commit 47d2be3056
1 changed files with 1 additions and 1 deletions
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2
libavfilter/af_firequalizer.c
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@ -369,7 +369,7 @@ static int generate_kernel(AVFilterContext *ctx, const char *gain, const char *g
win = 0.53836 + 0.46164 * cos(u);
break;
case WFUNC_BLACKMAN:
win = 0.48 + 0.5 * cos(u) + 0.02 * cos(2*u);
win = 0.42 + 0.5 * cos(u) + 0.08 * cos(2*u);
break;
case WFUNC_NUTTALL3:
win = 0.40897 + 0.5 * cos(u) + 0.09103 * cos(2*u);