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avfilter/af_anequalizer: use pow instead of exp10

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Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2015-12-25 15:00:06 +01:00
parent 56c7d2b4da
commit c6e3b6a819
1 changed files with 9 additions and 9 deletions
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18
libavfilter/af_anequalizer.c
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@ -307,9 +307,9 @@ static void butterworth_bp_filter(EqualizatorFilter *f,
return;
}
G = exp10( G/20);
Gb = exp10(Gb/20);
G0 = exp10(G0/20);
G = pow(10, G/20);
Gb = pow(10, Gb/20);
G0 = pow(10, G0/20);
epsilon = sqrt((G * G - Gb * Gb) / (Gb * Gb - G0 * G0));
g = pow(G, 1.0 / N);
@ -376,9 +376,9 @@ static void chebyshev1_bp_filter(EqualizatorFilter *f,
return;
}
G = exp10( G/20);
Gb = exp10(Gb/20);
G0 = exp10(G0/20);
G = pow(10, G/20);
Gb = pow(10, Gb/20);
G0 = pow(10, G0/20);
epsilon = sqrt((G*G - Gb*Gb) / (Gb*Gb - G0*G0));
g0 = pow(G0,1.0/N);
@ -449,9 +449,9 @@ static void chebyshev2_bp_filter(EqualizatorFilter *f,
return;
}
G = exp10( G/20);
Gb = exp10(Gb/20);
G0 = exp10(G0/20);
G = pow(10, G/20);
Gb = pow(10, Gb/20);
G0 = pow(10, G0/20);
epsilon = sqrt((G*G - Gb*Gb) / (Gb*Gb - G0*G0));
g = pow(G, 1.0 / N);