server/PlayerThread.h

   1 /*
   2 *  Copyright (c) 2021 Samsung Electronics Co., Ltd All Rights Reserved
   3 *  Licensed under the Apache License, Version 2.0 (the "License");
   4 *  you may not use this file except in compliance with the License.
   5 *  You may obtain a copy of the License at
   6 *  http://www.apache.org/licenses/LICENSE-2.0
   7 *  Unless required by applicable law or agreed to in writing, software
   8 *  distributed under the License is distributed on an "AS IS" BASIS,
   9 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  10 *  See the License for the specific language governing permissions and
  11 *  limitations under the License.
  12 */
  13
  14
  15 #ifndef __TTSD_PLAYER_MANAGER_H_
  16 #define __TTSD_PLAYER_MANAGER_H_
  17
  18
  19 #include <mutex>
  20 #include <condition_variable>
  21 #include <thread>
  22 #include <atomic>
  23 #include <queue>
  24
  25 class PlayerThread {
  26 public:
  27         typedef void (*PlayUtteranceCallback)(PlayerThread* player_instance, unsigned int uid);
  28
  29         PlayerThread(PlayUtteranceCallback threadFucntion);
  30         ~PlayerThread();
  31
  32         unsigned int getCurrentUid();
  33         bool isCurrentUid(unsigned int uid);
  34
  35         void requestPlay(unsigned int uid);
  36         void requestStop();
  37 private:
  38         static void runThread(PlayerThread* player);
  39
  40         void runPlayer();
  41         void tryToStopPlayer();
  42         bool isPlayerAvailable();
  43         bool isThreadStopped();
  44
  45 private:
  46         std::atomic<unsigned int> mCurrentUid;
  47         std::atomic<bool> mPlayerAvailable;
  48
  49         std::thread mPlayerThread;
  50         std::mutex mThreadMutex;
  51         std::mutex mControlMutex;
  52         std::mutex mStopCheckMutex;
  53         std::condition_variable mThreadCond;
  54         std::condition_variable mStopCheckCond;
  55
  56         PlayUtteranceCallback mPlayUtterance;
  57 };
  58
  59
  60 #endif /* __TTSD_PLAYER_MANAGER_H_ */