Refactor the module structure

libao-async-ffi.rkt

@@ -0,0 +1,48 @@
+#lang racket/base
+
+
+(require ffi/unsafe
+         ffi/unsafe/define
+         "../utils/utils.rkt"
+         "libao-ffi.rkt"
+         )
+
+(provide ao_create_async
+         ao_stop_async
+         ao_play_async
+         ao_is_at_second_async
+         ao_music_duration_async
+         ao_bufsize_async
+         ao_clear_async
+         ao_pause_async
+         )
+
+(define lib (get-lib '("ao-play-async" "libao-play-async") '(#f)))
+(define-ffi-definer define-libao-async lib)
+
+(define _libao-async-handle-pointer (_cpointer 'ao-async-handle))
+
+;extern void *ao_create_async(void *ao_device, );
+(define-libao-async ao_create_async(_fun _pointer _fpointer -> _libao-async-handle-pointer))
+
+;extern void ao_stop_async(void *handle);
+(define-libao-async ao_stop_async(_fun _libao-async-handle-pointer -> _void))
+
+;extern void ao_play_async(void *handle, double at_second, double music_duration, int buf_size, void *mem);
+(define-libao-async ao_play_async(_fun _libao-async-handle-pointer _double _double _uint32 _pointer -> _void))
+
+;extern double ao_is_at_second_async(void *handle);
+(define-libao-async ao_is_at_second_async(_fun _libao-async-handle-pointer -> _double))
+
+;extern double ao_music_duration_async(void *handle);
+(define-libao-async ao_music_duration_async(_fun _libao-async-handle-pointer -> _double))
+
+;extern int ao_bufsize_async(void *handle);
+(define-libao-async ao_bufsize_async(_fun _libao-async-handle-pointer -> _int))
+
+;extern void ao_clear_async(void *handle);
+(define-libao-async ao_clear_async(_fun _libao-async-handle-pointer -> _void))
+
+;extern void ao_pause_async(void *handle, int pause);
+(define-libao-async ao_pause_async(_fun _libao-async-handle-pointer _int -> _void))
+