+++ wasapi:

- converted PA WASAPI module to pure C
 - implemented compilation support for GCC [MinGW(32-bit)/MinGW64(64-bit)] compiler, special notes regarding MinGW compilation are included in 'readme.txt' file

src/hostapi/wasapi/mingw-include/Rpcsal.h

@@ -0,0 +1,113 @@
+#pragma once
+
+#if __GNUC__ >=3
+#pragma GCC system_header
+#endif
+
+#define RPC_range(min,max)
+
+#define __RPC__in           
+#define __RPC__in_string
+#define __RPC__in_opt_string
+#define __RPC__deref_opt_in_opt
+#define __RPC__opt_in_opt_string
+#define __RPC__in_ecount(size) 
+#define __RPC__in_ecount_full(size)
+#define __RPC__in_ecount_full_string(size)
+#define __RPC__in_ecount_part(size, length)
+#define __RPC__in_ecount_full_opt(size)
+#define __RPC__in_ecount_full_opt_string(size)
+#define __RPC__inout_ecount_full_opt_string(size)
+#define __RPC__in_ecount_part_opt(size, length)
+
+#define __RPC__deref_in 
+#define __RPC__deref_in_string
+#define __RPC__deref_opt_in
+#define __RPC__deref_in_opt
+#define __RPC__deref_in_ecount(size) 
+#define __RPC__deref_in_ecount_part(size, length) 
+#define __RPC__deref_in_ecount_full(size) 
+#define __RPC__deref_in_ecount_full_opt(size)
+#define __RPC__deref_in_ecount_full_string(size)
+#define __RPC__deref_in_ecount_full_opt_string(size)
+#define __RPC__deref_in_ecount_opt(size) 
+#define __RPC__deref_in_ecount_opt_string(size)
+#define __RPC__deref_in_ecount_part_opt(size, length) 
+
+// [out]
+#define __RPC__out     
+#define __RPC__out_ecount(size) 
+#define __RPC__out_ecount_part(size, length) 
+#define __RPC__out_ecount_full(size)
+#define __RPC__out_ecount_full_string(size)
+
+// [in,out] 
+#define __RPC__inout                                   
+#define __RPC__inout_string
+#define __RPC__opt_inout
+#define __RPC__inout_ecount(size)                     
+#define __RPC__inout_ecount_part(size, length)    
+#define __RPC__inout_ecount_full(size)          
+#define __RPC__inout_ecount_full_string(size)          
+
+// [in,unique] 
+#define __RPC__in_opt       
+#define __RPC__in_ecount_opt(size)   
+
+
+// [in,out,unique] 
+#define __RPC__inout_opt    
+#define __RPC__inout_ecount_opt(size)  
+#define __RPC__inout_ecount_part_opt(size, length) 
+#define __RPC__inout_ecount_full_opt(size)     
+#define __RPC__inout_ecount_full_string(size)
+
+// [out] **
+#define __RPC__deref_out   
+#define __RPC__deref_out_string
+#define __RPC__deref_out_opt 
+#define __RPC__deref_out_opt_string
+#define __RPC__deref_out_ecount(size) 
+#define __RPC__deref_out_ecount_part(size, length) 
+#define __RPC__deref_out_ecount_full(size)  
+#define __RPC__deref_out_ecount_full_string(size)
+
+
+// [in,out] **, second pointer decoration. 
+#define __RPC__deref_inout    
+#define __RPC__deref_inout_string
+#define __RPC__deref_inout_opt 
+#define __RPC__deref_inout_opt_string
+#define __RPC__deref_inout_ecount_full(size)
+#define __RPC__deref_inout_ecount_full_string(size)
+#define __RPC__deref_inout_ecount_opt(size) 
+#define __RPC__deref_inout_ecount_part_opt(size, length) 
+#define __RPC__deref_inout_ecount_full_opt(size) 
+#define __RPC__deref_inout_ecount_full_opt_string(size) 
+
+// #define __RPC_out_opt    out_opt is not allowed in rpc
+
+// [in,out,unique] 
+#define __RPC__deref_opt_inout  
+#define __RPC__deref_opt_inout_string
+#define __RPC__deref_opt_inout_ecount(size)     
+#define __RPC__deref_opt_inout_ecount_part(size, length) 
+#define __RPC__deref_opt_inout_ecount_full(size) 
+#define __RPC__deref_opt_inout_ecount_full_string(size)
+
+#define __RPC__deref_out_ecount_opt(size) 
+#define __RPC__deref_out_ecount_part_opt(size, length) 
+#define __RPC__deref_out_ecount_full_opt(size) 
+#define __RPC__deref_out_ecount_full_opt_string(size)
+
+#define __RPC__deref_opt_inout_opt      
+#define __RPC__deref_opt_inout_opt_string
+#define __RPC__deref_opt_inout_ecount_opt(size)   
+#define __RPC__deref_opt_inout_ecount_part_opt(size, length) 
+#define __RPC__deref_opt_inout_ecount_full_opt(size) 
+#define __RPC__deref_opt_inout_ecount_full_opt_string(size) 
+
+#define __RPC_full_pointer  
+#define __RPC_unique_pointer
+#define __RPC_ref_pointer
+#define __RPC_string