From 877f8087ab5b03a17731b34ec83883aa45e21f55 Mon Sep 17 00:00:00 2001
From: j1nx <p.steenbergen@j1nx.nl>
Date: Wed, 8 Jun 2022 20:21:17 +0200
Subject: [PATCH] Switch back to precise lite by default. See how it holds up.

---
 .../0001-Try-to-use-4-threads.patch           | 29 +++++++++++++++++++
 .../rootfs-overlay/etc/mycroft/mycroft.conf   | 20 ++++++++++++-
 2 files changed, 48 insertions(+), 1 deletion(-)
 create mode 100644 buildroot-external/package/python-precise-lite-runner/0001-Try-to-use-4-threads.patch

diff --git a/buildroot-external/package/python-precise-lite-runner/0001-Try-to-use-4-threads.patch b/buildroot-external/package/python-precise-lite-runner/0001-Try-to-use-4-threads.patch
new file mode 100644
index 00000000..6e81e533
--- /dev/null
+++ b/buildroot-external/package/python-precise-lite-runner/0001-Try-to-use-4-threads.patch
@@ -0,0 +1,29 @@
+From bdf1875bcd4e34766d45a6514ec9fed9d2cf1a9a Mon Sep 17 00:00:00 2001
+From: j1nx <p.steenbergen@j1nx.nl>
+Date: Wed, 8 Jun 2022 11:44:11 +0200
+Subject: [PATCH 1/1] Try to use 4 threads Tensorflow v2.3.0+ supports
+ multithreading.
+
+---
+ precise_lite_runner/runner.py | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/precise_lite_runner/runner.py b/precise_lite_runner/runner.py
+index 7e56a30..0aadf73 100644
+--- a/precise_lite_runner/runner.py
++++ b/precise_lite_runner/runner.py
+@@ -16,6 +16,11 @@ class TFLiteRunner:
+     def __init__(self, model_name: str):
+         #  Setup tflite environment
+         self.interpreter = tflite.Interpreter(model_path=model_name)
++        try:
++            self.interpreter.set_num_threads(4)
++        except:
++            pass
++
+         self.interpreter.allocate_tensors()
+ 
+         self.input_details = self.interpreter.get_input_details()
+-- 
+2.34.1
+
diff --git a/buildroot-external/rootfs-overlay/etc/mycroft/mycroft.conf b/buildroot-external/rootfs-overlay/etc/mycroft/mycroft.conf
index 629baedc..700d12b9 100644
--- a/buildroot-external/rootfs-overlay/etc/mycroft/mycroft.conf
+++ b/buildroot-external/rootfs-overlay/etc/mycroft/mycroft.conf
@@ -24,7 +24,25 @@
     "instant_listen": true,
     "VAD": {
       "module": "ovos-vad-plugin-webrtcvad",
-      "ovos-vad-plugin-webrtcvad": {"vad_mode": 2}
+      "ovos-vad-plugin-webrtcvad": {"vad_mode": 3}
+    }
+  },
+  "hotwords": {
+    "hey mycroft": {
+      "module": "ovos-precise-lite",
+      "model": "~/.local/share/precise-lite/wakewords/en/hey_mycroft.tflite",
+      "sensitivity": 0.5,
+      "trigger_level": 3,
+      "expected_duration": 3,
+      "phonemes": "HH EY . M AY K R AO F T",
+      "threshold": 1e-90,
+      "lang": "en-us"
+    },
+    "wake up": {
+      "module": "ovos-ww-plugin-pocketsphinx",
+      "phonemes": "W EY K . AH P",
+      "threshold": 1e-20,
+      "lang": "en-us"
     }
   },
   "tts": {