Add "fast" variants for the bsinc resamplers

This simply omits the scale factor from the filter, similar to how up-sampling
does. The consequence of this is less smooth transitions when ramping the
pitch while down-sampling, but otherwise behaves fine.

1 files changed, 2 insertions, 0 deletions

diff --git a/utils/alsoft-config/mainwindow.cpp b/utils/alsoft-config/mainwindow.cpp
index 7e5159cf..f4f5fd45 100644
--- a/utils/alsoft-config/mainwindow.cpp
+++ b/utils/alsoft-config/mainwindow.cpp
@@ -101,7 +101,9 @@ static const struct NameValuePair {
     { "Linear", "linear" },
     { "Default (Linear)", "" },
     { "Cubic Spline", "cubic" },
+    { "11th order Sinc (fast)", "fast_bsinc12" },
     { "11th order Sinc", "bsinc12" },
+    { "23rd order Sinc (fast)", "fast_bsinc24" },
     { "23rd order Sinc", "bsinc24" },
 
     { "", "" }