Ganesh Ajjanagadde
9f4c7b4df7
lavfi/af_anequalizer: replace pow(x,-2) by 1/(x*x)
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Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
2015-12-28 16:48:41 -08:00
Ganesh Ajjanagadde
59ac7ce4da
lavfi/af_anequalizer: replace pow(10,x) by ff_exp10(x)
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Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
2015-12-28 16:48:27 -08:00
Ganesh Ajjanagadde
63702014fa
lavfi/af_anequalizer: remove cabs, cexp dependencies
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Replaces by real arithmetic. Tested the validity of these transformations separately.
Numerical differences are ~1e-15, and should not matter: it is not even
clear which is more precise mathematically.
Reviewed-by: Paul B Mahol <onemda@gmail.com>
Signed-off-by: Ganesh Ajjanagadde <gajjanagadde@gmail.com>
2015-12-28 16:47:23 -08:00
Paul B Mahol
c9b99494be
avfilter/af_anequalizer: make cliping filter type actually useful
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Previously result was ignored.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
2015-12-25 15:03:46 +01:00
Paul B Mahol
c6e3b6a819
avfilter/af_anequalizer: use pow instead of exp10
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
2015-12-25 15:00:06 +01:00
Paul B Mahol
56c7d2b4da
avfilter: add high-order parametric multiband equalizer filter
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Signed-off-by: Paul B Mahol <onemda@gmail.com>
2015-12-25 14:22:28 +01:00
