1 files changed, 66 insertions, 0 deletions
diff --git a/include/xas/spatial.h b/include/xas/spatial.h
new file mode 100644
index 0000000..7f07b01
--- /dev/null
+++ b/include/xas/spatial.h
@@ -0,0 +1,66 @@
+#ifndef _XAS_SPATIAL_H
+#define _XAS_SPATIAL_H
+
+#include <xas/audio.h>
+
+#define XAS_SPATIAL_SPEED_M_S 343.0f
+
+typedef struct _xas_spatial_coord {
+    float x, y, z;
+} xas_spatial_coord;
+
+typedef struct _xas_spatial_object xas_spatial_object;
+
+struct _xas_spatial_object {
+    float x, y, z;
+    xas_audio_stream *source;
+    xas_spatial_object *next;
+};
+
+typedef struct _xas_spatial_scene {
+    xas_spatial_coord speaker_l,
+                        speaker_r,
+                        observer;
+
+    float speed_m_s,
+          headwidth;
+
+    xas_spatial_object *first,
+                         *last;
+
+    xas_audio_stream *source;
+
+    void *buf;
+    size_t buflen;
+} xas_spatial_scene;
+
+xas_spatial_scene *xas_spatial_scene_new(xas_spatial_coord speaker_l,
+                                             xas_spatial_coord speaker_r,
+                                             xas_spatial_coord observer,
+                                             float headwidth);
+
+void xas_spatial_scene_destroy(xas_spatial_scene *scene);
+
+void xas_spatial_scene_set_speed_m_s(xas_spatial_scene *scene,
+                                       float m_s);
+
+void xas_spatial_scene_set_speaker_coords(xas_spatial_scene *scene,
+                                            xas_spatial_coord speaker_l,
+                                            xas_spatial_coord speaker_r);
+
+void xas_spatial_scene_set_observer_coords(xas_spatial_scene *scene,
+                                             xas_spatial_coord observer);
+
+void xas_spatial_scene_set_observer_headwidth(xas_spatial_scene *scene,
+                                                float headwidth);
+
+xas_spatial_object *xas_spatial_scene_add_object(xas_spatial_coord coord,
+                                                     xas_audio_stream *source);
+
+void xas_spatial_object_get_coord(xas_spatial_object *object,
+                                    xas_spatial_coord *coord);
+
+void xas_spatial_object_set_coord(xas_spatial_object *object,
+                                    xas_spatial_coord coord);
+
+#endif /* _XAS_SPATIAL_H */