mirror of https://github.com/axmolengine/axmol.git
378 lines
10 KiB
C++
378 lines
10 KiB
C++
/****************************************************************************
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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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Copyright (c) 2018 HALX99.
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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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#include "platform/CCPlatformConfig.h"
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#include "platform/CCPlatformMacros.h"
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#include "audio/include/Export.h"
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#include <functional>
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#include <list>
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#include <string>
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#include <unordered_map>
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#ifdef ERROR
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#undef ERROR
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#endif // ERROR
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#if !defined(AUDIO_ID)
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#define AUDIO_ID int
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#endif
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/**
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* @addtogroup audio
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* @{
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*/
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NS_CC_BEGIN
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/**
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* @class AudioProfile
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*
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* @brief
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* @js NA
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*/
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class EXPORT_DLL AudioProfile
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{
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public:
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//Profile name can't be empty.
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std::string name;
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//The maximum number of simultaneous audio instance.
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unsigned int maxInstances;
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/* Minimum delay in between sounds */
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double minDelay;
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/**
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* Default constructor
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*
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* @lua new
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*/
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AudioProfile()
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: maxInstances(0)
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, minDelay(0.0)
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{
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}
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};
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class AudioEngineImpl;
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/**
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* @class AudioEngine
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*
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* @brief Offers a interface to play audio.
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*
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* @note Make sure to call AudioEngine::end() when the audio engine is not needed anymore to release resources.
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* @js NA
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*/
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class EXPORT_DLL AudioEngine
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{
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public:
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/** AudioState enum,all possible states of an audio instance.*/
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enum class AudioState
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{
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ERROR = -1,
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INITIALIZING,
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PLAYING,
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PAUSED
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};
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static const int INVALID_AUDIO_ID;
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static const float TIME_UNKNOWN;
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static bool lazyInit();
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/**
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* Release objects relating to AudioEngine.
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*
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* @warning It must be called before the application exit.
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* @lua endToLua
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*/
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static void end();
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/**
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* Gets the default profile of audio instances.
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*
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* @return The default profile of audio instances.
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*/
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static AudioProfile* getDefaultProfile();
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/**
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* Play 2d sound.
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*
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* @param filePath The path of an audio file.
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* @param loop Whether audio instance loop or not.
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* @param volume Volume value (range from 0.0 to 1.0).
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* @param profile A profile for audio instance. When profile is not specified, default profile will be used.
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* @return An audio ID. It allows you to dynamically change the behavior of an audio instance on the fly.
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*
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* @see `AudioProfile`
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*/
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static AUDIO_ID play2d(const std::string& filePath, bool loop = false, float volume = 1.0f, const AudioProfile *profile = nullptr);
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/**
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* Sets whether an audio instance loop or not.
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*
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* @param audioID An audioID returned by the play2d function.
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* @param loop Whether audio instance loop or not.
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*/
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static void setLoop(AUDIO_ID audioID, bool loop);
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/**
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* Checks whether an audio instance is loop.
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*
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* @param audioID An audioID returned by the play2d function.
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* @return Whether or not an audio instance is loop.
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*/
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static bool isLoop(AUDIO_ID audioID);
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/**
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* Sets volume for an audio instance.
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*
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* @param audioID An audioID returned by the play2d function.
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* @param volume Volume value (range from 0.0 to 1.0).
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*/
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static void setVolume(AUDIO_ID audioID, float volume);
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/**
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* Gets the volume value of an audio instance.
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*
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* @param audioID An audioID returned by the play2d function.
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* @return Volume value (range from 0.0 to 1.0).
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*/
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static float getVolume(AUDIO_ID audioID);
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/**
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* Pause an audio instance.
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*
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* @param audioID An audioID returned by the play2d function.
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*/
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static void pause(AUDIO_ID audioID);
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/** Pause all playing audio instances. */
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static void pauseAll();
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/**
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* Resume an audio instance.
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*
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* @param audioID An audioID returned by the play2d function.
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*/
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static void resume(AUDIO_ID audioID);
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/** Resume all suspended audio instances. */
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static void resumeAll();
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/**
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* Stop an audio instance.
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*
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* @param audioID An audioID returned by the play2d function.
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*/
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static void stop(AUDIO_ID audioID);
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/** Stop all audio instances. */
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static void stopAll();
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/**
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* Sets the current playback position of an audio instance.
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*
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* @param audioID An audioID returned by the play2d function.
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* @param sec The offset in seconds from the start to seek to.
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* @return
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*/
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static bool setCurrentTime(AUDIO_ID audioID, float sec);
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/**
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* Gets the current playback position of an audio instance.
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*
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* @param audioID An audioID returned by the play2d function.
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* @return The current playback position of an audio instance.
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*/
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static float getCurrentTime(AUDIO_ID audioID);
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/**
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* Gets the duration of an audio instance.
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*
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* @param audioID An audioID returned by the play2d function.
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* @return The duration of an audio instance.
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*/
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static float getDuration(AUDIO_ID audioID);
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/**
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* Returns the state of an audio instance.
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*
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* @param audioID An audioID returned by the play2d function.
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* @return The status of an audio instance.
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*/
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static AudioState getState(AUDIO_ID audioID);
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/**
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* Register a callback to be invoked when an audio instance has completed playing.
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*
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* @param audioID An audioID returned by the play2d function.
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* @param callback
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*/
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static void setFinishCallback(AUDIO_ID audioID, const std::function<void(AUDIO_ID,const std::string&)>& callback);
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/**
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* Gets the maximum number of simultaneous audio instance of AudioEngine.
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*/
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static int getMaxAudioInstance() {return _maxInstances;}
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/**
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* Sets the maximum number of simultaneous audio instance for AudioEngine.
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*
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* @param maxInstances The maximum number of simultaneous audio instance.
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*/
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static bool setMaxAudioInstance(int maxInstances);
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/**
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* Uncache the audio data from internal buffer.
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* AudioEngine cache audio data on ios,mac, and win32 platform.
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*
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* @warning This can lead to stop related audio first.
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* @param filePath Audio file path.
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*/
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static void uncache(const std::string& filePath);
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/**
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* Uncache all audio data from internal buffer.
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*
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* @warning All audio will be stopped first.
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*/
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static void uncacheAll();
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/**
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* Gets the audio profile by id of audio instance.
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*
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* @param audioID An audioID returned by the play2d function.
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* @return The audio profile.
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*/
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static AudioProfile* getProfile(AUDIO_ID audioID);
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/**
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* Gets an audio profile by name.
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*
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* @param profileName A name of audio profile.
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* @return The audio profile.
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*/
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static AudioProfile* getProfile(const std::string &profileName);
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/**
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* Preload audio file.
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* @param filePath The file path of an audio.
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*/
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static void preload(const std::string& filePath) { preload(filePath, nullptr); }
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/**
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* Preload audio file.
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* @param filePath The file path of an audio.
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* @param callback A callback which will be called after loading is finished.
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*/
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static void preload(const std::string& filePath, std::function<void(bool isSuccess)> callback);
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/**
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* Gets playing audio count.
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*/
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static int getPlayingAudioCount();
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/**
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* Whether to enable playing audios
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* @note If it's disabled, current playing audios will be stopped and the later 'preload', 'play2d' methods will take no effects.
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*/
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static void setEnabled(bool isEnabled);
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/**
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* Check whether AudioEngine is enabled.
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*/
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static bool isEnabled();
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protected:
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static void addTask(const std::function<void()>& task);
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static void remove(AUDIO_ID audioID);
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struct ProfileHelper
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{
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AudioProfile profile;
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std::list<int> audioIDs;
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double lastPlayTime;
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ProfileHelper()
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: lastPlayTime(0.0)
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{
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}
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};
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struct AudioInfo
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{
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std::string filePath;
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ProfileHelper* profileHelper;
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float volume;
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bool loop;
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float duration;
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AudioState state;
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AudioInfo();
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~AudioInfo();
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private:
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AudioInfo(const AudioInfo& info);
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AudioInfo(AudioInfo&& info);
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AudioInfo& operator=(const AudioInfo& info);
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AudioInfo& operator=(AudioInfo&& info);
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};
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//audioID,audioAttribute
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static std::unordered_map<AUDIO_ID, AudioInfo> _audioIDInfoMap;
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//audio file path,audio IDs
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static std::unordered_map<std::string,std::list<AUDIO_ID>> _audioPathIDMap;
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//profileName,ProfileHelper
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static std::unordered_map<std::string, ProfileHelper> _audioPathProfileHelperMap;
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static unsigned int _maxInstances;
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static ProfileHelper* _defaultProfileHelper;
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static AudioEngineImpl* _audioEngineImpl;
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class AudioEngineThreadPool;
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static AudioEngineThreadPool* s_threadPool;
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static bool _isEnabled;
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friend class AudioEngineImpl;
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};
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NS_CC_END
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// end group
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/// @}
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