Initial implementation of src/script.c

1 files changed, 86 insertions, 0 deletions

diff --git a/include/xas/script.h b/include/xas/script.h
new file mode 100644
index 0000000..102d421
--- /dev/null
+++ b/include/xas/script.h
@@ -0,0 +1,86 @@
+#ifndef _XAS_SCRIPT_H
+#define _XAS_SCRIPT_H
+
+#include <sys/types.h>
+#include <sys/time.h>
+
+#include <xas/audio.h>
+#include <xas/vox.h>
+#include <xas/bank.h>
+#include <xas/synth.h>
+#include <xas/spatial.h>
+
+enum xas_script_event_type {
+    XAS_SCRIPT_EVENT_OFF,
+    XAS_SCRIPT_EVENT_ON,
+    XAS_SCRIPT_EVENT_SET_POSITION,
+    XAS_SCRIPT_EVENT_SET_GAIN,
+    XAS_SCRIPT_EVENT_SET_BANK_INDEX,
+    XAS_SCRIPT_EVENT_SET_FREQUENCY
+};
+
+typedef struct _xas_script_event xas_script_event;
+
+struct _xas_script_event {
+    enum xas_script_event_type type;
+
+    xas_spatial_object *object;
+
+    struct timeval timestamp;
+
+    union {
+        float gain;
+        xas_spatial_coord point;
+        size_t index;
+        size_t frequency;
+    };
+
+    xas_script_event *next;
+};
+
+typedef struct _xas_script {
+    xas_spatial_scene *scene;
+
+    xas_script_event *first;
+
+    struct timeval timestamp;
+
+    size_t buffer_size,
+           current_index;
+} xas_script;
+
+xas_script *xas_script_new(xas_spatial_scene *scene, size_t buffer_size);
+
+void xas_script_destroy(xas_script *script);
+
+int xas_script_add_event_off(xas_script *script,
+                               xas_spatial_object *object,
+                               struct timeval timestamp);
+
+int xas_script_add_event_on(xas_script *script,
+                              xas_spatial_object *object,
+                              struct timeval timestamp);
+
+int xas_script_add_position_set(xas_script *script,
+                                  xas_spatial_object *object,
+                                  struct timeval timestamp,
+                                  xas_spatial_coord point);
+
+int xas_script_add_gain_set(xas_script *script,
+                              xas_spatial_object *object,
+                              struct timeval timestamp,
+                              float gain);
+
+int xas_script_add_bank_set(xas_script *script,
+                              xas_spatial_object *object,
+                              struct timeval timestamp,
+                              size_t index);
+
+int xas_script_add_frequency_set(xas_script *script,
+                                   xas_spatial_object *object,
+                                   struct timeval timestamp,
+                                   size_t frequency);
+
+int xas_script_play(xas_script *script, xas_audio_stream *sink);
+
+#endif /* _XAS_SCRIPT_H */