diff --git a/src/sfizz/SfzFilterImpls.hpp b/src/sfizz/SfzFilterImpls.hpp
index 2a670d6d..613a41d5 100644
--- a/src/sfizz/SfzFilterImpls.hpp
+++ b/src/sfizz/SfzFilterImpls.hpp
@@ -40,59 +40,59 @@ protected:
 #pragma GCC diagnostic ignored "-Wunused-parameter"
 #endif
 
-#include "gen/filters/sfzApf1p.cxx"
-#include "gen/filters/sfzBpf1p.cxx"
-#include "gen/filters/sfzBpf2p.cxx"
-#include "gen/filters/sfzBpf4p.cxx"
-#include "gen/filters/sfzBpf6p.cxx"
-#include "gen/filters/sfzBrf1p.cxx"
-#include "gen/filters/sfzBrf2p.cxx"
-#include "gen/filters/sfzHpf1p.cxx"
-#include "gen/filters/sfzHpf2p.cxx"
-#include "gen/filters/sfzHpf4p.cxx"
-#include "gen/filters/sfzHpf6p.cxx"
-#include "gen/filters/sfzLpf1p.cxx"
-#include "gen/filters/sfzLpf2p.cxx"
-#include "gen/filters/sfzLpf4p.cxx"
-#include "gen/filters/sfzLpf6p.cxx"
-#include "gen/filters/sfzPink.cxx"
-#include "gen/filters/sfzLpf2pSv.cxx"
-#include "gen/filters/sfzHpf2pSv.cxx"
-#include "gen/filters/sfzBpf2pSv.cxx"
-#include "gen/filters/sfzBrf2pSv.cxx"
-#include "gen/filters/sfzLsh.cxx"
-#include "gen/filters/sfzHsh.cxx"
-#include "gen/filters/sfzPeq.cxx"
-#include "gen/filters/sfzEqPeak.cxx"
-#include "gen/filters/sfzEqLshelf.cxx"
-#include "gen/filters/sfzEqHshelf.cxx"
+#include "gen/filters/sfzApf1p.hxx"
+#include "gen/filters/sfzBpf1p.hxx"
+#include "gen/filters/sfzBpf2p.hxx"
+#include "gen/filters/sfzBpf4p.hxx"
+#include "gen/filters/sfzBpf6p.hxx"
+#include "gen/filters/sfzBrf1p.hxx"
+#include "gen/filters/sfzBrf2p.hxx"
+#include "gen/filters/sfzHpf1p.hxx"
+#include "gen/filters/sfzHpf2p.hxx"
+#include "gen/filters/sfzHpf4p.hxx"
+#include "gen/filters/sfzHpf6p.hxx"
+#include "gen/filters/sfzLpf1p.hxx"
+#include "gen/filters/sfzLpf2p.hxx"
+#include "gen/filters/sfzLpf4p.hxx"
+#include "gen/filters/sfzLpf6p.hxx"
+#include "gen/filters/sfzPink.hxx"
+#include "gen/filters/sfzLpf2pSv.hxx"
+#include "gen/filters/sfzHpf2pSv.hxx"
+#include "gen/filters/sfzBpf2pSv.hxx"
+#include "gen/filters/sfzBrf2pSv.hxx"
+#include "gen/filters/sfzLsh.hxx"
+#include "gen/filters/sfzHsh.hxx"
+#include "gen/filters/sfzPeq.hxx"
+#include "gen/filters/sfzEqPeak.hxx"
+#include "gen/filters/sfzEqLshelf.hxx"
+#include "gen/filters/sfzEqHshelf.hxx"
 
-#include "gen/filters/sfz2chApf1p.cxx"
-#include "gen/filters/sfz2chBpf1p.cxx"
-#include "gen/filters/sfz2chBpf2p.cxx"
-#include "gen/filters/sfz2chBpf4p.cxx"
-#include "gen/filters/sfz2chBpf6p.cxx"
-#include "gen/filters/sfz2chBrf1p.cxx"
-#include "gen/filters/sfz2chBrf2p.cxx"
-#include "gen/filters/sfz2chHpf1p.cxx"
-#include "gen/filters/sfz2chHpf2p.cxx"
-#include "gen/filters/sfz2chHpf4p.cxx"
-#include "gen/filters/sfz2chHpf6p.cxx"
-#include "gen/filters/sfz2chLpf1p.cxx"
-#include "gen/filters/sfz2chLpf2p.cxx"
-#include "gen/filters/sfz2chLpf4p.cxx"
-#include "gen/filters/sfz2chLpf6p.cxx"
-#include "gen/filters/sfz2chPink.cxx"
-#include "gen/filters/sfz2chLpf2pSv.cxx"
-#include "gen/filters/sfz2chHpf2pSv.cxx"
-#include "gen/filters/sfz2chBpf2pSv.cxx"
-#include "gen/filters/sfz2chBrf2pSv.cxx"
-#include "gen/filters/sfz2chLsh.cxx"
-#include "gen/filters/sfz2chHsh.cxx"
-#include "gen/filters/sfz2chPeq.cxx"
-#include "gen/filters/sfz2chEqPeak.cxx"
-#include "gen/filters/sfz2chEqLshelf.cxx"
-#include "gen/filters/sfz2chEqHshelf.cxx"
+#include "gen/filters/sfz2chApf1p.hxx"
+#include "gen/filters/sfz2chBpf1p.hxx"
+#include "gen/filters/sfz2chBpf2p.hxx"
+#include "gen/filters/sfz2chBpf4p.hxx"
+#include "gen/filters/sfz2chBpf6p.hxx"
+#include "gen/filters/sfz2chBrf1p.hxx"
+#include "gen/filters/sfz2chBrf2p.hxx"
+#include "gen/filters/sfz2chHpf1p.hxx"
+#include "gen/filters/sfz2chHpf2p.hxx"
+#include "gen/filters/sfz2chHpf4p.hxx"
+#include "gen/filters/sfz2chHpf6p.hxx"
+#include "gen/filters/sfz2chLpf1p.hxx"
+#include "gen/filters/sfz2chLpf2p.hxx"
+#include "gen/filters/sfz2chLpf4p.hxx"
+#include "gen/filters/sfz2chLpf6p.hxx"
+#include "gen/filters/sfz2chPink.hxx"
+#include "gen/filters/sfz2chLpf2pSv.hxx"
+#include "gen/filters/sfz2chHpf2pSv.hxx"
+#include "gen/filters/sfz2chBpf2pSv.hxx"
+#include "gen/filters/sfz2chBrf2pSv.hxx"
+#include "gen/filters/sfz2chLsh.hxx"
+#include "gen/filters/sfz2chHsh.hxx"
+#include "gen/filters/sfz2chPeq.hxx"
+#include "gen/filters/sfz2chEqPeak.hxx"
+#include "gen/filters/sfz2chEqLshelf.hxx"
+#include "gen/filters/sfz2chEqHshelf.hxx"
 
 #if defined(__GNUC__) || defined(__clang__)
 #pragma GCC diagnostic pop
diff --git a/src/sfizz/effects/Compressor.cpp b/src/sfizz/effects/Compressor.cpp
index e5a0c2e5..f2608531 100644
--- a/src/sfizz/effects/Compressor.cpp
+++ b/src/sfizz/effects/Compressor.cpp
@@ -25,7 +25,7 @@
 
 static constexpr int _oversampling = 2;
 #define FAUST_UIMACROS 1
-#include "gen/compressor.cxx"
+#include "gen/compressor.hxx"
 
 namespace sfz {
 namespace fx {
diff --git a/src/sfizz/effects/Disto.cpp b/src/sfizz/effects/Disto.cpp
index 0ee5534e..ed9d3487 100644
--- a/src/sfizz/effects/Disto.cpp
+++ b/src/sfizz/effects/Disto.cpp
@@ -28,7 +28,7 @@
 
 static constexpr int _oversampling = 8;
 #define FAUST_UIMACROS 1
-#include "gen/disto_stage.cxx"
+#include "gen/disto_stage.hxx"
 
 namespace sfz {
 namespace fx {
diff --git a/src/sfizz/effects/Fverb.cpp b/src/sfizz/effects/Fverb.cpp
index c8ab7938..f5161533 100644
--- a/src/sfizz/effects/Fverb.cpp
+++ b/src/sfizz/effects/Fverb.cpp
@@ -12,7 +12,7 @@
 #include <absl/strings/ascii.h>
 #include <cmath>
 #define FAUST_UIMACROS 1
-#include "gen/fverb.cxx"
+#include "gen/fverb.hxx"
 
 /**
    Note(jpc): implementation status
diff --git a/src/sfizz/effects/Gate.cpp b/src/sfizz/effects/Gate.cpp
index b97ffd4a..bfe8fdfc 100644
--- a/src/sfizz/effects/Gate.cpp
+++ b/src/sfizz/effects/Gate.cpp
@@ -28,7 +28,7 @@
 
 static constexpr int _oversampling = 2;
 #define FAUST_UIMACROS 1
-#include "gen/gate.cxx"
+#include "gen/gate.hxx"
 
 namespace sfz {
 namespace fx {
diff --git a/src/sfizz/effects/Limiter.cpp b/src/sfizz/effects/Limiter.cpp
index 4560ebbd..eb5f1c3c 100644
--- a/src/sfizz/effects/Limiter.cpp
+++ b/src/sfizz/effects/Limiter.cpp
@@ -16,7 +16,7 @@
 #include "absl/memory/memory.h"
 
 static constexpr int _oversampling = 2;
-#include "gen/limiter.cpp"
+#include "gen/limiter.hxx"
 
 namespace sfz {
 namespace fx {
diff --git a/src/sfizz/effects/gen/compressor.cxx b/src/sfizz/effects/gen/compressor.hxx
similarity index 100%
rename from src/sfizz/effects/gen/compressor.cxx
rename to src/sfizz/effects/gen/compressor.hxx
diff --git a/src/sfizz/effects/gen/disto_stage.cxx b/src/sfizz/effects/gen/disto_stage.hxx
similarity index 100%
rename from src/sfizz/effects/gen/disto_stage.cxx
rename to src/sfizz/effects/gen/disto_stage.hxx
diff --git a/src/sfizz/effects/gen/fverb.cxx b/src/sfizz/effects/gen/fverb.hxx
similarity index 100%
rename from src/sfizz/effects/gen/fverb.cxx
rename to src/sfizz/effects/gen/fverb.hxx
diff --git a/src/sfizz/effects/gen/gate.cxx b/src/sfizz/effects/gen/gate.hxx
similarity index 100%
rename from src/sfizz/effects/gen/gate.cxx
rename to src/sfizz/effects/gen/gate.hxx
diff --git a/src/sfizz/effects/gen/limiter.cpp b/src/sfizz/effects/gen/limiter.hxx
similarity index 100%
rename from src/sfizz/effects/gen/limiter.cpp
rename to src/sfizz/effects/gen/limiter.hxx
diff --git a/src/sfizz/gen/filters/sfz2chApf1p.cxx b/src/sfizz/gen/filters/sfz2chApf1p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chApf1p.cxx
rename to src/sfizz/gen/filters/sfz2chApf1p.hxx
diff --git a/src/sfizz/gen/filters/sfz2chBpf1p.cxx b/src/sfizz/gen/filters/sfz2chBpf1p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chBpf1p.cxx
rename to src/sfizz/gen/filters/sfz2chBpf1p.hxx
diff --git a/src/sfizz/gen/filters/sfz2chBpf2p.cxx b/src/sfizz/gen/filters/sfz2chBpf2p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chBpf2p.cxx
rename to src/sfizz/gen/filters/sfz2chBpf2p.hxx
diff --git a/src/sfizz/gen/filters/sfz2chBpf2pSv.cxx b/src/sfizz/gen/filters/sfz2chBpf2pSv.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chBpf2pSv.cxx
rename to src/sfizz/gen/filters/sfz2chBpf2pSv.hxx
diff --git a/src/sfizz/gen/filters/sfz2chBpf4p.cxx b/src/sfizz/gen/filters/sfz2chBpf4p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chBpf4p.cxx
rename to src/sfizz/gen/filters/sfz2chBpf4p.hxx
diff --git a/src/sfizz/gen/filters/sfz2chBpf6p.cxx b/src/sfizz/gen/filters/sfz2chBpf6p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chBpf6p.cxx
rename to src/sfizz/gen/filters/sfz2chBpf6p.hxx
diff --git a/src/sfizz/gen/filters/sfz2chBrf1p.cxx b/src/sfizz/gen/filters/sfz2chBrf1p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chBrf1p.cxx
rename to src/sfizz/gen/filters/sfz2chBrf1p.hxx
diff --git a/src/sfizz/gen/filters/sfz2chBrf2p.cxx b/src/sfizz/gen/filters/sfz2chBrf2p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chBrf2p.cxx
rename to src/sfizz/gen/filters/sfz2chBrf2p.hxx
diff --git a/src/sfizz/gen/filters/sfz2chBrf2pSv.cxx b/src/sfizz/gen/filters/sfz2chBrf2pSv.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chBrf2pSv.cxx
rename to src/sfizz/gen/filters/sfz2chBrf2pSv.hxx
diff --git a/src/sfizz/gen/filters/sfz2chEqHshelf.cxx b/src/sfizz/gen/filters/sfz2chEqHshelf.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chEqHshelf.cxx
rename to src/sfizz/gen/filters/sfz2chEqHshelf.hxx
diff --git a/src/sfizz/gen/filters/sfz2chEqLshelf.cxx b/src/sfizz/gen/filters/sfz2chEqLshelf.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chEqLshelf.cxx
rename to src/sfizz/gen/filters/sfz2chEqLshelf.hxx
diff --git a/src/sfizz/gen/filters/sfz2chEqPeak.cxx b/src/sfizz/gen/filters/sfz2chEqPeak.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chEqPeak.cxx
rename to src/sfizz/gen/filters/sfz2chEqPeak.hxx
diff --git a/src/sfizz/gen/filters/sfz2chHpf1p.cxx b/src/sfizz/gen/filters/sfz2chHpf1p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chHpf1p.cxx
rename to src/sfizz/gen/filters/sfz2chHpf1p.hxx
diff --git a/src/sfizz/gen/filters/sfz2chHpf2p.cxx b/src/sfizz/gen/filters/sfz2chHpf2p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chHpf2p.cxx
rename to src/sfizz/gen/filters/sfz2chHpf2p.hxx
diff --git a/src/sfizz/gen/filters/sfz2chHpf2pSv.cxx b/src/sfizz/gen/filters/sfz2chHpf2pSv.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chHpf2pSv.cxx
rename to src/sfizz/gen/filters/sfz2chHpf2pSv.hxx
diff --git a/src/sfizz/gen/filters/sfz2chHpf4p.cxx b/src/sfizz/gen/filters/sfz2chHpf4p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chHpf4p.cxx
rename to src/sfizz/gen/filters/sfz2chHpf4p.hxx
diff --git a/src/sfizz/gen/filters/sfz2chHpf6p.cxx b/src/sfizz/gen/filters/sfz2chHpf6p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chHpf6p.cxx
rename to src/sfizz/gen/filters/sfz2chHpf6p.hxx
diff --git a/src/sfizz/gen/filters/sfz2chHsh.cxx b/src/sfizz/gen/filters/sfz2chHsh.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chHsh.cxx
rename to src/sfizz/gen/filters/sfz2chHsh.hxx
diff --git a/src/sfizz/gen/filters/sfz2chLpf1p.cxx b/src/sfizz/gen/filters/sfz2chLpf1p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chLpf1p.cxx
rename to src/sfizz/gen/filters/sfz2chLpf1p.hxx
diff --git a/src/sfizz/gen/filters/sfz2chLpf2p.cxx b/src/sfizz/gen/filters/sfz2chLpf2p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chLpf2p.cxx
rename to src/sfizz/gen/filters/sfz2chLpf2p.hxx
diff --git a/src/sfizz/gen/filters/sfz2chLpf2pSv.cxx b/src/sfizz/gen/filters/sfz2chLpf2pSv.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chLpf2pSv.cxx
rename to src/sfizz/gen/filters/sfz2chLpf2pSv.hxx
diff --git a/src/sfizz/gen/filters/sfz2chLpf4p.cxx b/src/sfizz/gen/filters/sfz2chLpf4p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chLpf4p.cxx
rename to src/sfizz/gen/filters/sfz2chLpf4p.hxx
diff --git a/src/sfizz/gen/filters/sfz2chLpf6p.cxx b/src/sfizz/gen/filters/sfz2chLpf6p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chLpf6p.cxx
rename to src/sfizz/gen/filters/sfz2chLpf6p.hxx
diff --git a/src/sfizz/gen/filters/sfz2chLsh.cxx b/src/sfizz/gen/filters/sfz2chLsh.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chLsh.cxx
rename to src/sfizz/gen/filters/sfz2chLsh.hxx
diff --git a/src/sfizz/gen/filters/sfz2chPeq.cxx b/src/sfizz/gen/filters/sfz2chPeq.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chPeq.cxx
rename to src/sfizz/gen/filters/sfz2chPeq.hxx
diff --git a/src/sfizz/gen/filters/sfz2chPink.cxx b/src/sfizz/gen/filters/sfz2chPink.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfz2chPink.cxx
rename to src/sfizz/gen/filters/sfz2chPink.hxx
diff --git a/src/sfizz/gen/filters/sfzApf1p.cxx b/src/sfizz/gen/filters/sfzApf1p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzApf1p.cxx
rename to src/sfizz/gen/filters/sfzApf1p.hxx
diff --git a/src/sfizz/gen/filters/sfzBpf1p.cxx b/src/sfizz/gen/filters/sfzBpf1p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzBpf1p.cxx
rename to src/sfizz/gen/filters/sfzBpf1p.hxx
diff --git a/src/sfizz/gen/filters/sfzBpf2p.cxx b/src/sfizz/gen/filters/sfzBpf2p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzBpf2p.cxx
rename to src/sfizz/gen/filters/sfzBpf2p.hxx
diff --git a/src/sfizz/gen/filters/sfzBpf2pSv.cxx b/src/sfizz/gen/filters/sfzBpf2pSv.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzBpf2pSv.cxx
rename to src/sfizz/gen/filters/sfzBpf2pSv.hxx
diff --git a/src/sfizz/gen/filters/sfzBpf4p.cxx b/src/sfizz/gen/filters/sfzBpf4p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzBpf4p.cxx
rename to src/sfizz/gen/filters/sfzBpf4p.hxx
diff --git a/src/sfizz/gen/filters/sfzBpf6p.cxx b/src/sfizz/gen/filters/sfzBpf6p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzBpf6p.cxx
rename to src/sfizz/gen/filters/sfzBpf6p.hxx
diff --git a/src/sfizz/gen/filters/sfzBrf1p.cxx b/src/sfizz/gen/filters/sfzBrf1p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzBrf1p.cxx
rename to src/sfizz/gen/filters/sfzBrf1p.hxx
diff --git a/src/sfizz/gen/filters/sfzBrf2p.cxx b/src/sfizz/gen/filters/sfzBrf2p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzBrf2p.cxx
rename to src/sfizz/gen/filters/sfzBrf2p.hxx
diff --git a/src/sfizz/gen/filters/sfzBrf2pSv.cxx b/src/sfizz/gen/filters/sfzBrf2pSv.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzBrf2pSv.cxx
rename to src/sfizz/gen/filters/sfzBrf2pSv.hxx
diff --git a/src/sfizz/gen/filters/sfzEqHshelf.cxx b/src/sfizz/gen/filters/sfzEqHshelf.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzEqHshelf.cxx
rename to src/sfizz/gen/filters/sfzEqHshelf.hxx
diff --git a/src/sfizz/gen/filters/sfzEqLshelf.cxx b/src/sfizz/gen/filters/sfzEqLshelf.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzEqLshelf.cxx
rename to src/sfizz/gen/filters/sfzEqLshelf.hxx
diff --git a/src/sfizz/gen/filters/sfzEqPeak.cxx b/src/sfizz/gen/filters/sfzEqPeak.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzEqPeak.cxx
rename to src/sfizz/gen/filters/sfzEqPeak.hxx
diff --git a/src/sfizz/gen/filters/sfzHpf1p.cxx b/src/sfizz/gen/filters/sfzHpf1p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzHpf1p.cxx
rename to src/sfizz/gen/filters/sfzHpf1p.hxx
diff --git a/src/sfizz/gen/filters/sfzHpf2p.cxx b/src/sfizz/gen/filters/sfzHpf2p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzHpf2p.cxx
rename to src/sfizz/gen/filters/sfzHpf2p.hxx
diff --git a/src/sfizz/gen/filters/sfzHpf2pSv.cxx b/src/sfizz/gen/filters/sfzHpf2pSv.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzHpf2pSv.cxx
rename to src/sfizz/gen/filters/sfzHpf2pSv.hxx
diff --git a/src/sfizz/gen/filters/sfzHpf4p.cxx b/src/sfizz/gen/filters/sfzHpf4p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzHpf4p.cxx
rename to src/sfizz/gen/filters/sfzHpf4p.hxx
diff --git a/src/sfizz/gen/filters/sfzHpf6p.cxx b/src/sfizz/gen/filters/sfzHpf6p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzHpf6p.cxx
rename to src/sfizz/gen/filters/sfzHpf6p.hxx
diff --git a/src/sfizz/gen/filters/sfzHsh.cxx b/src/sfizz/gen/filters/sfzHsh.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzHsh.cxx
rename to src/sfizz/gen/filters/sfzHsh.hxx
diff --git a/src/sfizz/gen/filters/sfzLpf1p.cxx b/src/sfizz/gen/filters/sfzLpf1p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzLpf1p.cxx
rename to src/sfizz/gen/filters/sfzLpf1p.hxx
diff --git a/src/sfizz/gen/filters/sfzLpf2p.cxx b/src/sfizz/gen/filters/sfzLpf2p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzLpf2p.cxx
rename to src/sfizz/gen/filters/sfzLpf2p.hxx
diff --git a/src/sfizz/gen/filters/sfzLpf2pSv.cxx b/src/sfizz/gen/filters/sfzLpf2pSv.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzLpf2pSv.cxx
rename to src/sfizz/gen/filters/sfzLpf2pSv.hxx
diff --git a/src/sfizz/gen/filters/sfzLpf4p.cxx b/src/sfizz/gen/filters/sfzLpf4p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzLpf4p.cxx
rename to src/sfizz/gen/filters/sfzLpf4p.hxx
diff --git a/src/sfizz/gen/filters/sfzLpf6p.cxx b/src/sfizz/gen/filters/sfzLpf6p.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzLpf6p.cxx
rename to src/sfizz/gen/filters/sfzLpf6p.hxx
diff --git a/src/sfizz/gen/filters/sfzLsh.cxx b/src/sfizz/gen/filters/sfzLsh.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzLsh.cxx
rename to src/sfizz/gen/filters/sfzLsh.hxx
diff --git a/src/sfizz/gen/filters/sfzPeq.cxx b/src/sfizz/gen/filters/sfzPeq.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzPeq.cxx
rename to src/sfizz/gen/filters/sfzPeq.hxx
diff --git a/src/sfizz/gen/filters/sfzPink.cxx b/src/sfizz/gen/filters/sfzPink.hxx
similarity index 100%
rename from src/sfizz/gen/filters/sfzPink.cxx
rename to src/sfizz/gen/filters/sfzPink.hxx