src/Engine.cpp

   1 #include "Engine.h"
   2 #include "Logger.h"
   3 #include <mutex>
   4
   5 using namespace suanzi;
   6
   7 const static std::string TAG = "Engine";
   8
   9 static std::mutex g_mutex;
  10 static Engine* g_instance = nullptr;
  11
  12 Engine::Engine()
  13 {
  14 }
  15
  16 Engine* Engine::create()
  17 {
  18     LOG_DEBUG(TAG, "create");
  19     std::lock_guard<std::mutex> lock(g_mutex);
  20     if (g_instance)
  21         return g_instance;
  22
  23     Engine* instance (new Engine());
  24     g_instance = instance;
  25     return g_instance;
  26 }
  27
  28 void Engine::destroy()
  29 {
  30     delete g_instance;
  31 }
  32
  33 Engine::~Engine()
  34 {
  35 }
  36
  37 void Engine::setVideoSrc(const std::string& url)
  38 {
  39     videoSrc = url;
  40 }
  41
  42 void Engine::start()
  43 {
  44     LOG_DEBUG(TAG, "start");
  45     Person p;
  46     for(auto& o: observer_list){
  47         o->onPersonIn(p);
  48     }
  49 }
  50
  51 void Engine::addObserver(EngineObserver *observer)
  52 {
  53     observer_list.insert(observer);
  54 }