初始化

cocos2d-x/cocos/audio/win32/AudioPlayer.h

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+/****************************************************************************
+ Copyright (c) 2014-2016 Chukong Technologies Inc.
+ Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
+
+ http://www.cocos2d-x.org
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in
+ all copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE.
+ ****************************************************************************/
+
+#pragma once
+
+#include "platform/CCPlatformConfig.h"
+
+#if CC_TARGET_PLATFORM == CC_PLATFORM_WIN32
+
+#include <string>
+#include <condition_variable>
+#include <mutex>
+#include <thread>
+#ifdef OPENAL_PLAIN_INCLUDES
+#include <al.h>
+#else
+#include <OpenalSoft/al.h>
+#endif
+#include "base/ccMacros.h"
+
+NS_CC_BEGIN
+
+class AudioCache;
+class AudioEngineImpl;
+
+class CC_DLL AudioPlayer
+{
+public:
+    AudioPlayer();
+    ~AudioPlayer();
+
+    void destroy();
+
+    //queue buffer related stuff
+    bool setTime(float time);
+    float getTime() { return _currTime;}
+    bool setLoop(bool loop);
+
+protected:
+    void setCache(AudioCache* cache);
+    void rotateBufferThread(int offsetFrame);
+    bool play2d();
+
+    AudioCache* _audioCache;
+
+    float _volume;
+    bool _loop;
+    std::function<void (int, const std::string &)> _finishCallbak;
+
+    bool _isDestroyed;
+    bool _removeByAudioEngine;
+    bool _ready;
+    ALuint _alSource;
+
+    //play by circular buffer
+    float _currTime;
+    bool _streamingSource;
+    ALuint _bufferIds[3];
+    std::thread* _rotateBufferThread;
+    std::condition_variable _sleepCondition;
+    std::mutex _sleepMutex;
+    bool _timeDirty;
+    bool _isRotateThreadExited;
+
+    std::mutex _play2dMutex;
+
+    unsigned int _id;
+
+    friend class AudioEngineImpl;
+};
+
+NS_CC_END
+
+#endif //CC_TARGET_PLATFORM == CC_PLATFORM_WIN32
+