Move the FrontStablizer definition to its own header

CMakeLists.txt

@@ -623,6 +623,7 @@ SET(ALC_OBJS
     alc/filters/splitter.h
     alc/fpu_ctrl.cpp
     alc/fpu_ctrl.h
+    alc/front_stablizer.h
     alc/helpers.cpp
     alc/hrtf.cpp
     alc/hrtf.h

alc/alc.cpp

@@ -80,6 +80,7 @@
 #include "filters/nfc.h"
 #include "filters/splitter.h"
 #include "fpu_ctrl.h"
+#include "front_stablizer.h"
 #include "hrtf.h"
 #include "inprogext.h"
 #include "intrusive_ptr.h"

alc/alcmain.h

@@ -37,6 +37,7 @@ struct ALfilter;
 struct BackendBase;
 struct Compressor;
 struct EffectState;
+struct FrontStablizer;
 struct Uhj2Encoder;
 struct bs2b;
 
@@ -170,21 +171,6 @@ using FloatBufferLine = std::array<float,BUFFERSIZE>;
 #define MAX_RESAMPLER_PADDING 48
 
 
-struct FrontStablizer {
-    static constexpr size_t DelayLength{256u};
-
-    alignas(16) float DelayBuf[MAX_OUTPUT_CHANNELS][DelayLength];
-
-    BandSplitter LFilter, RFilter;
-    alignas(16) float LSplit[2][BUFFERSIZE];
-    alignas(16) float RSplit[2][BUFFERSIZE];
-
-    alignas(16) float TempBuf[BUFFERSIZE + DelayLength];
-
-    DEF_NEWDEL(FrontStablizer)
-};
-
-
 struct MixParams {
     /* Coefficient channel mapping for mixing to the buffer. */
     std::array<BFChannelConfig,MAX_OUTPUT_CHANNELS> AmbiMap{};

alc/alu.cpp

@@ -66,6 +66,7 @@
 #include "filters/nfc.h"
 #include "filters/splitter.h"
 #include "fpu_ctrl.h"
+#include "front_stablizer.h"
 #include "hrtf.h"
 #include "inprogext.h"
 #include "mastering.h"

alc/front_stablizer.h

@@ -0,0 +1,24 @@
+#ifndef ALC_FRONT_STABLIZER_H
+#define ALC_FRONT_STABLIZER_H
+
+#include "alcmain.h"
+#include "almalloc.h"
+#include "devformat.h"
+#include "filters/splitter.h"
+
+
+struct FrontStablizer {
+    static constexpr size_t DelayLength{256u};
+
+    alignas(16) float DelayBuf[MAX_OUTPUT_CHANNELS][DelayLength];
+
+    BandSplitter LFilter, RFilter;
+    alignas(16) float LSplit[2][BUFFERSIZE];
+    alignas(16) float RSplit[2][BUFFERSIZE];
+
+    alignas(16) float TempBuf[BUFFERSIZE + DelayLength];
+
+    DEF_NEWDEL(FrontStablizer)
+};
+
+#endif /* ALC_FRONT_STABLIZER_H */