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Diffstat (limited to 'main/libresample/src/filterkit.h')
-rw-r--r-- | main/libresample/src/filterkit.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/main/libresample/src/filterkit.h b/main/libresample/src/filterkit.h new file mode 100644 index 000000000..9df0ae869 --- /dev/null +++ b/main/libresample/src/filterkit.h @@ -0,0 +1,28 @@ +/********************************************************************** + + resamplesubs.c + + Real-time library interface by Dominic Mazzoni + + Based on resample-1.7: + http://www-ccrma.stanford.edu/~jos/resample/ + + License: LGPL - see the file LICENSE.txt for more information + +**********************************************************************/ + +/* Definitions */ +#include "resample_defs.h" + +/* + * FilterUp() - Applies a filter to a given sample when up-converting. + * FilterUD() - Applies a filter to a given sample when up- or down- + */ + +float lrsFilterUp(float Imp[], float ImpD[], UWORD Nwing, BOOL Interp, + float *Xp, double Ph, int Inc); + +float lrsFilterUD(float Imp[], float ImpD[], UWORD Nwing, BOOL Interp, + float *Xp, double Ph, int Inc, double dhb); + +void lrsLpFilter(double c[], int N, double frq, double Beta, int Num); |