[Libav-user] ff_iir_filter_init_coeffs

Mika Rajala mika_rajala_2 at hotmail.com
Fri Sep 14 09:20:40 CEST 2012


I'd like to use the iirfilter in ffmpeg to filter out noise frequencies in my audio.

For this, I found the iirfilter.h in libavcodec

But i don't know how to use it properly, any tutorials / tips?

The first function seems a bit odd even.

ff_iir_filter_init_coeffs wants a void * avc which is something mysterious.

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