Move BUFFERSIZE and FloatBufferLine to a separate header

CMakeLists.txt

@@ -606,6 +606,7 @@ SET(ALC_OBJS
     alc/bsinc_defs.h
     alc/bsinc_tables.cpp
     alc/bsinc_tables.h
+    alc/bufferline.h
     alc/compat.h
     alc/converter.cpp
     alc/converter.h

alc/alcmain.h

@@ -23,6 +23,7 @@
 #include "alspan.h"
 #include "ambidefs.h"
 #include "atomic.h"
+#include "bufferline.h"
 #include "devformat.h"
 #include "filters/splitter.h"
 #include "hrtf.h"
@@ -157,15 +158,6 @@ struct BFChannelConfig {
     ALuint Index;
 };
 
-/* Size for temporary storage of buffer data, in floats. Larger values need
- * more memory, while smaller values may need more iterations. The value needs
- * to be a sensible size, however, as it constrains the max stepping value used
- * for mixing, as well as the maximum number of samples per mixing iteration.
- */
-#define BUFFERSIZE 1024
-
-using FloatBufferLine = std::array<float,BUFFERSIZE>;
-
 /* Maximum number of samples to pad on the ends of a buffer for resampling.
  * Note that the padding is symmetric (half at the beginning and half at the
  * end)!

alc/bufferline.h

@@ -0,0 +1,15 @@
+#ifndef ALC_BUFFERLINE_H
+#define ALC_BUFFERLINE_H
+
+#include <array>
+
+/* Size for temporary storage of buffer data, in floats. Larger values need
+ * more memory, while smaller values may need more iterations. The value needs
+ * to be a sensible size, however, as it constrains the max stepping value used
+ * for mixing, as well as the maximum number of samples per mixing iteration.
+ */
+#define BUFFERSIZE 1024
+
+using FloatBufferLine = std::array<float,BUFFERSIZE>;
+
+#endif /* ALC_BUFFERLINE_H */