From c1d4b998ae16a8dd4738e6da2b9f98b61b7e707c Mon Sep 17 00:00:00 2001
From: XANTRONIX Development
Date: Thu, 10 Mar 2022 10:24:42 -0500
Subject: Ensure chamber bass line is initialised

---
 include/xas/drone.h | 3 +++
 src/drone.c         | 5 +++++
 2 files changed, 8 insertions(+)

diff --git a/include/xas/drone.h b/include/xas/drone.h
index f0da28d..395e8ec 100644
--- a/include/xas/drone.h
+++ b/include/xas/drone.h
@@ -6,6 +6,9 @@
 #include <xas/spatial.h>
 #include <xas/seq.h>
 
+#define XAS_DRONE_CHAMBER_BASS_FREQUENCY 20 /* Hz */
+#define XAS_DRONE_CHAMBER_BASS_TYPE      XAS_SYNTH_SQUARE
+
 enum xas_drone_chamber_event_type {
     XAS_DRONE_CHAMBER_EVENT_NONE,
     XAS_DRONE_CHAMBER_EVENT_SYNTH,
diff --git a/src/drone.c b/src/drone.c
index a4ea1cb..e3748f1 100644
--- a/src/drone.c
+++ b/src/drone.c
@@ -150,6 +150,11 @@ xas_drone_chamber *xas_drone_chamber_new(xas_spatial_scene *scene,
         goto error_spatial_scene_add_synth;
     }
 
+    xas_synth_set_frequency(chamber->synth_bass->ctx,
+                              XAS_DRONE_CHAMBER_BASS_FREQUENCY);
+
+    xas_synth_start(chamber->synth_bass->ctx);
+
     chamber->drone_count = drone_count;
 
     memset(chamber->drones, '\0', total);
-- 
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