refactor: Add deviceThread

src/video/camerasource.cpp

@@ -90,7 +90,8 @@ extern "C" {
 CameraSource* CameraSource::instance{nullptr};
 
 CameraSource::CameraSource()
-    : deviceName{"none"}
+    : deviceThread{new QThread}
+    , deviceName{"none"}
     , device{nullptr}
     , mode(VideoMode())
     // clang-format off
@@ -102,6 +103,10 @@ CameraSource::CameraSource()
     , _isNone{true}
     , subscriptions{0}
 {
+    deviceThread->setObjectName("Device thread");
+    deviceThread->start();
+    moveToThread(deviceThread);
+
     subscriptions = 0;
     av_register_all();
     avdevice_register_all();
@@ -204,6 +209,10 @@ CameraSource::~CameraSource()
     // Synchronize with our stream thread
     while (streamFuture.isRunning())
         QThread::yieldCurrentThread();
+
+    deviceThread->exit(0);
+    deviceThread->wait();
+    delete deviceThread;
 }
 
 void CameraSource::subscribe()

src/video/camerasource.h

@@ -60,6 +60,8 @@ private:
 
 private:
     QFuture<void> streamFuture;
+    QThread* deviceThread;
+
     QString deviceName;
     CameraDevice* device;
     VideoMode mode;
@@ -67,6 +69,7 @@ private:
     // TODO: Remove when ffmpeg version will be bumped to the 3.1.0
     AVCodecContext* cctxOrig;
     int videoStreamIndex;
+
     QReadWriteLock streamMutex;
 
     std::atomic_bool _isNone;