Add shutdown path for audio layer. Add basic event loop after setting up groove objects. Fix race condition bug by not setting path first.

src/GroovePlayer.cpp

@@ -157,12 +157,34 @@ void GroovePlayerMgr::grooveEventLoop()
     struct GroovePlayer* player = groove_player_create();
     if(!player) {return;}
     
+    groove_playlist_insert(playlist, groove_file_open(selectedTrack->trackPath.c_str()),1.0,1.0,nullptr);
     
-    //TODO
+    //Now start loop
+    groove_player_attach(player, playlist);
+    
+    while(getInstance()->continueEventLoop)
+    {
+        PlayerEvents event = getInstance()->getNextPlayerEvent();
+        if(event == NOTHING)
+        {
+            continue;
+        }
+        //TODO
+    }
+    
+    groove_player_detach(player);
+    groove_player_destroy(player);
+    groove_playlist_destroy(playlist);
+}
+
+void GroovePlayerMgr::shutdown()
+{
+    continueEventLoop = false;
 }
 
 GroovePlayerMgr::PlayerEvents GroovePlayerMgr::getNextPlayerEvent()
 {
+    return NOTHING;
     //TODO
 }
 

src/GroovePlayer.h

@@ -37,18 +37,20 @@ class GroovePlayerMgr
 public:
     static std::filesystem::path musicScanDir;
     static GroovePlayerMgr* getInstance() {
+        musicScanDir = std::filesystem::current_path()/"music";
         static GroovePlayerMgr instance("music.db");
-        musicScanDir = std::filesystem::path("music");
         return &instance;
     };
-        GroovePlayerMgr ( GroovePlayerMgr const&) = delete;
+    GroovePlayerMgr ( GroovePlayerMgr const&) = delete;
     void operator=( GroovePlayerMgr const&) = delete;
+    void shutdown();
 private:
     enum PlayerEvents {NOTHING, GROOVE_NOWPLAYING, VOTING_ENDED, VOTE_CAST, PLAYING_PAUSED, PLAYING_RESUMED, SKIP_REQUESTED, SKIP_VOTE_CAST, SKIP_VOTING_ENDED, ADMIN_FORCE_SKIP};
     
     GroovePlayerMgr (std::string dbFile);
     Wt::Dbo::backend::Sqlite3 sqliteConnection;
     Wt::Dbo::Session sqlSession;
+    bool continueEventLoop = true;
     
     std::list<const AudioTrack*> requestQueue;
     std::list<PlayerEvents> lastInternalEvents;

src/main.cpp

@@ -19,6 +19,7 @@ int main ( int argc, char** argv )
         {
             GroovePlayerMgr::getInstance();
             int sig = Wt::WServer::waitForShutdown(argv[0]);
+            GroovePlayerMgr::getInstance()->shutdown();
             server.stop();
         }
         return 0;