mirror of https://github.com/axmolengine/axmol.git
165 lines
4.2 KiB
C++
165 lines
4.2 KiB
C++
/*
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* cocos2d-x http://www.cocos2d-x.org
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*
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* Copyright (c) 2010-2011 - cocos2d-x community
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*
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* Portions Copyright (c) Microsoft Open Technologies, Inc.
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* All Rights Reserved
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and limitations under the License.
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*/
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#include "platform/CCPlatformConfig.h"
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#if CC_TARGET_PLATFORM == CC_PLATFORM_WINRT
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#ifndef __AUDIO_CACHE_PLAYER_H_
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#define __AUDIO_CACHE_PLAYER_H_
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#include "AudioSourceReader.h"
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NS_CC_BEGIN
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namespace experimental{
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typedef struct AudioInfo
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{
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size_t _totalAudioBytes;
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WAVEFORMATEX _wfx;
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} AudioInfo;
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enum class AudioPlayerState
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{
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ERRORED = -1,
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INITIALZING,
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READY,
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PLAYING,
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PAUSED,
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STOPPED
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};
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class AudioCache
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{
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public:
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AudioCache();
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~AudioCache();
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void readDataTask();
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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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bool getChunk(AudioDataChunk& chunk);
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void doBuffering();
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bool isStreamingSource();
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void seek(const float ratio);
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protected:
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void invokePlayCallbacks();
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void invokeLoadCallbacks();
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private:
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AudioCache(const AudioCache&);
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AudioCache& operator=(const AudioCache&);
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private:
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bool _retry;
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bool _isReady;
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AudioInfo _audInfo;
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std::mutex _cbMutex;
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FileFormat _fileFormat;
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std::string _fileFullPath;
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AudioSourceReader *_srcReader;
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std::vector<std::function<void()>> _callbacks;
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std::vector<std::function<void(bool)>> _loadCallbacks;
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friend class AudioPlayer;
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friend class AudioEngineImpl;
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};
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class AudioPlayer : public IXAudio2EngineCallback, IXAudio2VoiceCallback
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{
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public:
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AudioPlayer();
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virtual ~AudioPlayer();
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void stop();
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void pause();
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bool update();
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void resume();
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bool isInError();
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float getDuration();
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float getCurrentTime();
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bool setTime(float time);
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void setVolume(float volume);
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bool play2d(AudioCache* cache);
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AudioPlayerState getState() { return _state; }
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protected:
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AudioPlayer(AudioPlayer&);
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AudioPlayer& operator=(AudioPlayer&);
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void init();
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void free();
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void error();
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void popBuffer();
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void updateState();
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bool submitBuffers();
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void onBufferRunOut();
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void invokeFinishCallback();
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void _stop(bool pause = false);
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bool _play(bool resume = false);
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XAUDIO2_VOICE_STATE getSourceVoiceState(bool fast = false);
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// IXAudio2EngineCallback
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STDMETHOD_(void, OnProcessingPassStart) () override;
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STDMETHOD_(void, OnProcessingPassEnd) () override;
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STDMETHOD_(void, OnCriticalError) (HRESULT error) override;
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// IXAudio2VoiceCallback
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STDMETHOD_(void, OnVoiceProcessingPassStart) (UINT32 uBytesRequired) override;
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STDMETHOD_(void, OnVoiceProcessingPassEnd) () override;
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STDMETHOD_(void, OnStreamEnd) () override;
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STDMETHOD_(void, OnBufferStart) (void* pBufferContext) override;
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STDMETHOD_(void, OnBufferEnd) (void* pBufferContext) override;
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STDMETHOD_(void, OnLoopEnd) (void* pBufferContext) override;
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STDMETHOD_(void, OnVoiceError) (void *pBufferContext, HRESULT error) override;
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private:
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bool _loop;
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bool _ready;
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float _volume;
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float _current;
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float _duration;
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bool _criticalError;
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bool _isStreaming;
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UINT64 _totalSamples;
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UINT64 _samplesOffset;
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XAUDIO2_BUFFER _xaBuffer;
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IXAudio2SourceVoice *_xaSourceVoice;
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IXAudio2MasteringVoice *_xaMasterVoice;
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Microsoft::WRL::ComPtr<IXAudio2> _xaEngine;
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AudioCache *_cache;
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std::mutex _stMutex;
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std::mutex _bqMutex;
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AudioPlayerState _state;
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std::queue<AudioDataChunk> _cachedBufferQ;
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std::function<void(int, const std::string &)> _finishCallback;
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friend class AudioEngineImpl;
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};
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}
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NS_CC_END
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#endif // __AUDIO_CACHE_PLAYER_H_
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#endif
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