4 files changed, 14 insertions, 10 deletions
diff --git a/alc/filters/biquad.cpp b/alc/filters/biquad.cpp
index 871c4af4..a4d81604 100644
--- a/alc/filters/biquad.cpp
+++ b/alc/filters/biquad.cpp
@@ -89,7 +89,7 @@ void BiquadFilterR<Real>::setParams(BiquadType type, Real gain, Real f0norm, Rea
 }
 
 template<typename Real>
-void BiquadFilterR<Real>::process(Real *dst, const Real *src, int numsamples)
+void BiquadFilterR<Real>::process(Real *dst, const Real *src, const size_t numsamples)
 {
     ASSUME(numsamples > 0);
 
diff --git a/alc/filters/biquad.h b/alc/filters/biquad.h
index f8d7f0ba..9de86f2f 100644
--- a/alc/filters/biquad.h
+++ b/alc/filters/biquad.h
@@ -2,6 +2,7 @@
 #define FILTERS_BIQUAD_H
 
 #include <cmath>
+#include <cstddef>
 #include <utility>
 
 #include "math_defs.h"
@@ -72,7 +73,7 @@ public:
     }
 
 
-    void process(Real *dst, const Real *src, int numsamples);
+    void process(Real *dst, const Real *src, const size_t numsamples);
 
     /* Rather hacky. It's just here to support "manual" processing. */
     std::pair<Real,Real> getComponents() const noexcept
diff --git a/alc/filters/nfc.cpp b/alc/filters/nfc.cpp
index 4e36bc66..e4436b27 100644
--- a/alc/filters/nfc.cpp
+++ b/alc/filters/nfc.cpp
@@ -278,7 +278,7 @@ void NfcFilter::adjust(const float w0) noexcept
 }
 
 
-void NfcFilter::process1(float *RESTRICT dst, const float *RESTRICT src, const int count)
+void NfcFilter::process1(float *RESTRICT dst, const float *RESTRICT src, const size_t count)
 {
     ASSUME(count > 0);
 
@@ -297,7 +297,7 @@ void NfcFilter::process1(float *RESTRICT dst, const float *RESTRICT src, const i
     first.z[0] = z1;
 }
 
-void NfcFilter::process2(float *RESTRICT dst, const float *RESTRICT src, const int count)
+void NfcFilter::process2(float *RESTRICT dst, const float *RESTRICT src, const size_t count)
 {
     ASSUME(count > 0);
 
@@ -321,7 +321,7 @@ void NfcFilter::process2(float *RESTRICT dst, const float *RESTRICT src, const i
     second.z[1] = z2;
 }
 
-void NfcFilter::process3(float *RESTRICT dst, const float *RESTRICT src, const int count)
+void NfcFilter::process3(float *RESTRICT dst, const float *RESTRICT src, const size_t count)
 {
     ASSUME(count > 0);
 
@@ -353,7 +353,7 @@ void NfcFilter::process3(float *RESTRICT dst, const float *RESTRICT src, const i
     third.z[2] = z3;
 }
 
-void NfcFilter::process4(float *RESTRICT dst, const float *RESTRICT src, const int count)
+void NfcFilter::process4(float *RESTRICT dst, const float *RESTRICT src, const size_t count)
 {
     ASSUME(count > 0);
 
diff --git a/alc/filters/nfc.h b/alc/filters/nfc.h
index b656850a..d2bf3339 100644
--- a/alc/filters/nfc.h
+++ b/alc/filters/nfc.h
@@ -1,6 +1,9 @@
 #ifndef FILTER_NFC_H
 #define FILTER_NFC_H
 
+#include <cstddef>
+
+
 struct NfcFilter1 {
     float base_gain, gain;
     float b1, a1;
@@ -43,16 +46,16 @@ public:
     void adjust(const float w0) noexcept;
 
     /* Near-field control filter for first-order ambisonic channels (1-3). */
-    void process1(float *RESTRICT dst, const float *RESTRICT src, const int count);
+    void process1(float *RESTRICT dst, const float *RESTRICT src, const size_t count);
 
     /* Near-field control filter for second-order ambisonic channels (4-8). */
-    void process2(float *RESTRICT dst, const float *RESTRICT src, const int count);
+    void process2(float *RESTRICT dst, const float *RESTRICT src, const size_t count);
 
     /* Near-field control filter for third-order ambisonic channels (9-15). */
-    void process3(float *RESTRICT dst, const float *RESTRICT src, const int count);
+    void process3(float *RESTRICT dst, const float *RESTRICT src, const size_t count);
 
     /* Near-field control filter for fourth-order ambisonic channels (16-24). */
-    void process4(float *RESTRICT dst, const float *RESTRICT src, const int count);
+    void process4(float *RESTRICT dst, const float *RESTRICT src, const size_t count);
 };
 
 #endif /* FILTER_NFC_H */