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-rw-r--r--libavcodec/iirfilter.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/libavcodec/iirfilter.h b/libavcodec/iirfilter.h
index 13e1598e39..c2484e23d3 100644
--- a/libavcodec/iirfilter.h
+++ b/libavcodec/iirfilter.h
@@ -34,6 +34,7 @@ struct FFIIRFilterState;
enum IIRFilterType{
FF_FILTER_TYPE_BESSEL,
+ FF_FILTER_TYPE_BIQUAD,
FF_FILTER_TYPE_BUTTERWORTH,
FF_FILTER_TYPE_CHEBYSHEV,
FF_FILTER_TYPE_ELLIPTIC,