1 files changed, 46 insertions, 0 deletions
diff --git a/mixer.scm b/mixer.scm
new file mode 100644
index 0000000..e1c563a
--- /dev/null
+++ b/mixer.scm
@@ -0,0 +1,46 @@
+(module downstroke/mixer *
+  (import scheme
+          (chicken base)
+          (chicken foreign))
+
+  #> #include "SDL2/SDL_mixer.h" <#
+
+  (define-foreign-type mix-chunk* (c-pointer "Mix_Chunk"))
+
+  (define mix-open-audio!
+    (foreign-lambda int "Mix_OpenAudio" int unsigned-short int int))
+
+  (define mix-close-audio!
+    (foreign-lambda void "Mix_CloseAudio"))
+
+  (define mix-load-chunk
+    (foreign-lambda* mix-chunk* ((c-string path))
+      "C_return(Mix_LoadWAV(path));"))
+
+  (define mix-free-chunk!
+    (foreign-lambda void "Mix_FreeChunk" mix-chunk*))
+
+  (define mix-play-channel
+    (foreign-lambda int "Mix_PlayChannel" int mix-chunk* int))
+
+  (define mix-default-format
+    ((foreign-lambda* unsigned-short ()
+       "C_return(MIX_DEFAULT_FORMAT);")))
+
+  (define-foreign-type mix-music* (c-pointer "Mix_Music"))
+
+  (define mix-load-mus
+    (foreign-lambda mix-music* "Mix_LoadMUS" c-string))
+
+  (define mix-play-music
+    (foreign-lambda int "Mix_PlayMusic" mix-music* int))
+
+  (define mix-free-music!
+    (foreign-lambda void "Mix_FreeMusic" mix-music*))
+
+  (define mix-halt-music
+    (foreign-lambda int "Mix_HaltMusic"))
+
+  (define mix-volume-music
+    (foreign-lambda int "Mix_VolumeMusic" int))
+)