changed async library. Flac conversion in C

libao-async-ffi.rkt

@@ -15,22 +15,56 @@
          ao_bufsize_async
          ao_clear_async
          ao_pause_async
+         make-BufferInfo_t
          )
 
+(define _BufferType_t
+  (_enum '(ao = 1
+           flac = 2
+           mpg123 = 3
+           ao_ogg = 4
+           )))
+
+;#define AO_FMT_LITTLE 1
+;#define AO_FMT_BIG    2
+;#define AO_FMT_NATIVE 4
+
+(define _Endian_t
+  (_enum '(little-endian = 1
+           big-endian    = 2
+           native-endian = 4
+           )
+         )
+  )
+
+(define-cstruct _BufferInfo_t
+  (
+   [type _BufferType_t]
+   [sample_bits _int]
+   [sample_rate _int]
+   [channels _int]
+   [endiannes _Endian_t]
+   ))
+
+
 (define lib (get-lib '("ao-play-async" "libao-play-async") '(#f)))
+;(define lib (ffi-lib "/home/hans/src/racket/racket-sound-lib/lib/linux-x86_64/libao-play-async.so"))
 (define-ffi-definer define-libao-async lib
   #:default-make-fail make-not-available)
 
 (define _libao-async-handle-pointer (_cpointer 'ao-async-handle))
 
+;extern int ao_async_version()
+(define-libao-async ao_async_version (_fun -> _int))
+
 ;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 void ao_play_async(void *handle, double at_second, double music_duration, int buf_size, void *mem, BufferInfo_t info);
+(define-libao-async ao_play_async(_fun _libao-async-handle-pointer _double _double _uint32 _pointer _BufferInfo_t -> _void))
 
 ;extern double ao_is_at_second_async(void *handle);
 (define-libao-async ao_is_at_second_async(_fun _libao-async-handle-pointer -> _double))