mirror of https://github.com/axmolengine/axmol.git
110 lines
3.0 KiB
C
110 lines
3.0 KiB
C
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/****************************************************************************
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Copyright (c) 2014-2016 Chukong Technologies Inc.
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Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#pragma once
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#import <OpenAL/al.h>
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#include <string>
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#include <mutex>
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#include <vector>
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#include "platform/CCPlatformMacros.h"
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#include "audio/apple/AudioMacros.h"
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NS_CC_BEGIN
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class AudioEngineImpl;
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class AudioPlayer;
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class AudioCache
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{
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public:
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enum class State
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{
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INITIAL,
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LOADING,
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READY,
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FAILED
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};
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AudioCache();
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~AudioCache();
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void addPlayCallback(const std::function<void()>& callback);
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void addLoadCallback(const std::function<void(bool)>& callback);
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protected:
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void setSkipReadDataTask(bool isSkip) { _isSkipReadDataTask = isSkip; };
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void readDataTask(unsigned int selfId);
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void invokingPlayCallbacks();
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void invokingLoadCallbacks();
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//pcm data related stuff
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ALenum _format;
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ALsizei _sampleRate;
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float _duration;
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uint32_t _totalFrames;
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uint32_t _framesRead;
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/*Cache related stuff;
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* Cache pcm data when sizeInBytes less than PCMDATA_CACHEMAXSIZE
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*/
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ALuint _alBufferId;
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char* _pcmData;
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/*Queue buffer related stuff
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* Streaming in openal when sizeInBytes greater then PCMDATA_CACHEMAXSIZE
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*/
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char* _queBuffers[QUEUEBUFFER_NUM];
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ALsizei _queBufferSize[QUEUEBUFFER_NUM];
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uint32_t _queBufferFrames;
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std::mutex _playCallbackMutex;
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std::vector< std::function<void()> > _playCallbacks;
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// loadCallbacks doesn't need mutex since it's invoked only in Cocos thread.
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std::vector< std::function<void(bool)> > _loadCallbacks;
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std::mutex _readDataTaskMutex;
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State _state;
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std::shared_ptr<bool> _isDestroyed;
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std::string _fileFullPath;
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unsigned int _id;
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bool _isLoadingFinished;
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bool _isSkipReadDataTask;
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friend class AudioEngineImpl;
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friend class AudioPlayer;
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};
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}
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