.xm playback

src/private/audio.h

@@ -7,6 +7,7 @@
 
 #define STB_VORBIS_HEADER_ONLY
 #include <stb_vorbis.c>
+#include <xm.h>
 
 #include <stdbool.h>
 #include <stdint.h>
@@ -27,6 +28,10 @@ union audio_context {
         int frequency;
         uint8_t channel_count;
     } vorbis;
+
+    struct {
+        xm_context_t *handle;
+    } xm;
 };