From ea86ddd167d40b8670db3fba98a7ea9b4f996f60 Mon Sep 17 00:00:00 2001
From: John Zhao <johnzhao@slightech.com>
Date: Sat, 14 Apr 2018 22:28:43 +0800
Subject: [PATCH] Fix restart fail issue

---
 src/device/device.cc | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/device/device.cc b/src/device/device.cc
index f7929cb..930d09a 100644
--- a/src/device/device.cc
+++ b/src/device/device.cc
@@ -268,8 +268,10 @@ void Device::Stop(const Source &source) {
   } else if (source == Source::MOTION_TRACKING) {
     StopMotionTracking();
   } else if (source == Source::ALL) {
-    Stop(Source::VIDEO_STREAMING);
     Stop(Source::MOTION_TRACKING);
+    // Must stop motion tracking before video streaming and sleep a moment here
+    std::this_thread::sleep_for(std::chrono::milliseconds(10));
+    Stop(Source::VIDEO_STREAMING);
   } else {
     LOG(FATAL) << "Unsupported source :(";
   }