Use PBD::ffs for portability

[ardour.git] / libs / rubberband / src / HighFrequencyAudioCurve.cpp

diff --git a/libs/rubberband/src/HighFrequencyAudioCurve.cpp b/libs/rubberband/src/HighFrequencyAudioCurve.cpp
index 987cf76a669aa99b244a7ea343f0456cd4bf073a..2ede70d283c03cc29ca521a9595d4a129172b092 100644 (file)
--- a/libs/rubberband/src/HighFrequencyAudioCurve.cpp
+++ b/libs/rubberband/src/HighFrequencyAudioCurve.cpp
@@ -38,7 +38,7 @@ HighFrequencyAudioCurve::setWindowSize(size_t newSize)
 }
 
 float
-HighFrequencyAudioCurve::process(const float *R__ mag, size_t increment)
+HighFrequencyAudioCurve::process(const float *R__ mag, size_t /*increment*/)
 {
     float result = 0.0;
 
@@ -51,5 +51,19 @@ HighFrequencyAudioCurve::process(const float *R__ mag, size_t increment)
     return result;
 }
 
+float
+HighFrequencyAudioCurve::processDouble(const double *R__ mag, size_t /*increment*/)
+{
+    float result = 0.0;
+
+    const int sz = m_windowSize / 2;
+
+    for (int n = 0; n <= sz; ++n) {
+        result = result + (float)mag[n] * n;
+    }
+
+    return result;
+}
+
 }