new configuration dialog and replay gain code; thanks to X-Fixer

src/plugin_winamp2/config.h

@@ -0,0 +1,49 @@
+
+//
+//  common stuff
+//
+
+typedef struct {
+    //!
+    /*
+	struct {
+		gboolean tag_override;
+		gchar *tag_format;
+		gboolean convert_char_set;
+		gchar *file_char_set;
+		gchar *user_char_set;
+	} title;
+    */
+
+	struct {
+		struct {
+			BOOL enable;
+			BOOL album_mode;
+			INT  preamp;
+			BOOL hard_limit;
+		} replaygain;
+		struct {
+			struct {
+				BOOL dither_24_to_16;
+			} normal;
+			struct {
+				BOOL dither;
+				INT  noise_shaping; /* value must be one of NoiseShaping enum, c.f. plugin_common/replaygain_synthesis.h */
+				INT  bps_out;
+			} replaygain;
+		} resolution;
+	} output;
+} flac_config_t;
+
+extern flac_config_t flac_cfg;
+extern char ini_name[MAX_PATH];
+extern HANDLE thread_handle;
+extern In_Module mod_;
+
+//
+//  prototypes
+//
+
+void ReadConfig();
+void WriteConfig();
+int DoConfig(HWND parent);