set as default visibility=hidden

src/Makefile.am

 lib_LTLIBRARIES = libaribb24.la
 libaribb24_la_SOURCES = decoder.c parser.c md5.c aribb24.c
 libaribb24_la_LIBADD = -lpng
-libaribb24_la_CFLAGS = -Wall
+libaribb24_la_CFLAGS = -Wall -fvisibility=hidden
 pkginclude_HEADERS = aribb24/decoder.h aribb24/parser.h aribb24/bits.h aribb24/aribb24.h
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = aribb24.pc

src/aribb24/aribb24.h

@@ -25,6 +25,29 @@
 
 #include <stdbool.h>
 
+#if defined _WIN32 || defined __CYGWIN__
+  #ifdef BUILDING_DLL
+    #ifdef __GNUC__
+      #define ARIB_API __attribute__ ((dllexport))
+    #else
+      #define ARIB_API __declspec(dllexport)
+    #endif
+  #else
+    #ifdef __GNUC__
+      #define ARIB_API __attribute__ ((dllimport))
+    #else
+      #define ARIB_API __declspec(dllimport)
+    #endif
+  #endif
+  #define DLL_LOCAL
+#else
+  #if __GNUC__ >= 4
+    #define ARIB_API __attribute__ ((visibility ("default")))
+  #else
+    #define ARIB_API
+  #endif
+#endif
+
 typedef struct arib_instance_private_t arib_instance_private_t;
 typedef struct arib_instance_t 
 {
@@ -37,15 +60,15 @@ typedef struct arib_parser_t arib_parser_t;
 typedef struct arib_decoder_t arib_decoder_t;
 typedef void(* arib_messages_callback_t)(void *, const char *);
 
-arib_instance_t * arib_instance_new( void * );
-void arib_instance_destroy( arib_instance_t * ); 
+ARIB_API arib_instance_t * arib_instance_new( void * );
+ARIB_API void arib_instance_destroy( arib_instance_t * ); 
 
-void arib_set_base_path( arib_instance_t *, const char * );
+ARIB_API void arib_set_base_path( arib_instance_t *, const char * );
 
-arib_parser_t * arib_get_parser( arib_instance_t * );
-arib_decoder_t * arib_get_decoder( arib_instance_t * );
+ARIB_API arib_parser_t * arib_get_parser( arib_instance_t * );
+ARIB_API arib_decoder_t * arib_get_decoder( arib_instance_t * );
 
-void arib_register_messages_callback( arib_instance_t *,
+ARIB_API void arib_register_messages_callback( arib_instance_t *,
                                       arib_messages_callback_t );
 
 #endif

src/aribb24/decoder.h

@@ -59,20 +59,20 @@ typedef struct arib_buf_region_s
     struct arib_buf_region_s *p_next;
 } arib_buf_region_t;
 
-void arib_initialize_decoder( arib_decoder_t* decoder );
+ARIB_API void arib_initialize_decoder( arib_decoder_t* decoder );
 
-void arib_initialize_decoder_a_profile( arib_decoder_t* decoder );
+ARIB_API void arib_initialize_decoder_a_profile( arib_decoder_t* decoder );
 
-void arib_initialize_decoder_c_profile( arib_decoder_t* decoder );
+ARIB_API void arib_initialize_decoder_c_profile( arib_decoder_t* decoder );
 
-void arib_finalize_decoder( arib_decoder_t* decoder );
+ARIB_API void arib_finalize_decoder( arib_decoder_t* decoder );
 
-size_t arib_decode_buffer( arib_decoder_t* decoder,
-                           const unsigned char *buf, size_t count,
-                           char *ubuf, size_t ucount );
+ARIB_API size_t arib_decode_buffer( arib_decoder_t* decoder,
+                                    const unsigned char *buf, size_t count,
+                                    char *ubuf, size_t ucount );
 
-time_t arib_decoder_get_time( arib_decoder_t *decoder );
+ARIB_API time_t arib_decoder_get_time( arib_decoder_t *decoder );
 
-const arib_buf_region_t * arib_decoder_get_regions( arib_decoder_t * ); 
+ARIB_API const arib_buf_region_t * arib_decoder_get_regions( arib_decoder_t * ); 
 
 #endif

src/aribb24/parser.h

@@ -31,8 +31,8 @@
  * Local structures
  ****************************************************************************/
 
-void arib_parse_pes( arib_parser_t *, const void *p_data, size_t i_data );
-const unsigned char * arib_parser_get_data( arib_parser_t *, size_t * );
+ARIB_API void arib_parse_pes( arib_parser_t *, const void *p_data, size_t i_data );
+ARIB_API const unsigned char * arib_parser_get_data( arib_parser_t *, size_t * );
 
 
 #endif