From fc378a22b3294bcb696b8600e6fd8f9f639c36fc Mon Sep 17 00:00:00 2001
From: XANTRONIX Development
Date: Wed, 23 Feb 2022 00:21:18 -0500
Subject: Add voice synth to examples/spatial.c

---
 examples/spatial.c | 34 ++++++++++++++++++++++++++++++++--
 1 file changed, 32 insertions(+), 2 deletions(-)

diff --git a/examples/spatial.c b/examples/spatial.c
index 049fee5..93bb641 100644
--- a/examples/spatial.c
+++ b/examples/spatial.c
@@ -8,6 +8,7 @@
 
 #include <xas/spatial.h>
 #include <xas/synth.h>
+#include <xas/vox.h>
 #include <xas/audio.h>
 #include <xas/riff.h>
 
@@ -65,9 +66,12 @@ int main(int argc, char **argv) {
     xas_spatial_scene *scene;
 
     xas_audio_stream *synth,
+                       *voice,
                        *output,
                        *wave;
 
+    xas_vox *vox;
+
     synth_sine sine_channels[2] = {
         { SYNTH_STATUS_ON, 0.0f, 2600 },
         { SYNTH_STATUS_ON, 0.0f,  420 },
@@ -79,8 +83,8 @@ int main(int argc, char **argv) {
         .sample_rate = 44100
     };
 
-    size_t buffer_size = 44100,
-           duration_s  =     5,
+    size_t buffer_size = 735,
+           duration_s  = 300,
            i;
 
     xas_spatial_coord speakers[2] = {
@@ -106,6 +110,16 @@ int main(int argc, char **argv) {
         goto error_synth_new;
     }
 
+    if ((vox = xas_vox_new("/usr/bin/text2wave",
+                             format,
+                             buffer_size)) == NULL) {
+        goto error_vox_new;
+    }
+
+    if ((voice = xas_vox_stream_new(vox)) == NULL) {
+        goto error_vox_stream_new;
+    }
+
     if ((scene = xas_spatial_scene_new(format,
                                          speakers[0],
                                          speakers[1])) == NULL) {
@@ -123,6 +137,16 @@ int main(int argc, char **argv) {
         goto error_spatial_scene_add_object;
     }
 
+    if (xas_spatial_scene_add_object(scene,
+                                       (xas_spatial_coord){ -5.2, 0.0, 0.0 },
+                                       voice) == NULL) {
+        goto error_spatial_scene_add_object;
+    }
+
+    xas_vox_say(vox, "I want to eat your soul.  You don't understand.  I really want to eat your soul.\n");
+
+    xas_vox_generate(vox);
+
     for (i=0; i<duration_s; i++) {
         void *buf;
         ssize_t readlen;
@@ -156,6 +180,12 @@ error_spatial_scene_new_stream:
     xas_spatial_scene_destroy(scene);
 
 error_spatial_scene_new:
+    xas_audio_stream_destroy(voice);
+
+error_vox_stream_new:
+    xas_vox_destroy(vox);
+
+error_vox_new:
     xas_audio_stream_destroy(synth);
 
 error_synth_new:
-- 
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