185 lines
5.9 KiB
C++
185 lines
5.9 KiB
C++
// Copyright (c) 2008-2010 Raynaldo (Wildicv) Rivera, Joshua (Dark_Kilauea) Jones
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// This file is part of the "cAudio Engine"
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// For conditions of distribution and use, see copyright notice in cAudio.h
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#ifndef CAUDIOSOURCE_H_INCLUDED
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#define CAUDIOSOURCE_H_INCLUDED
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#include <list>
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#include <string>
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#include <vector>
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#include <al.h>
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#include <alc.h>
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#include "../include/IAudioSource.h"
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#include "../include/cVector3.h"
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#include "../Headers/cMutex.h"
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#include "../include/ILogger.h"
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#include "../Headers/cEFXFunctions.h"
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#include "../Headers/cMemoryOverride.h"
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#include "../include/cSTLAllocator.h"
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namespace cAudio
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{
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class cAudioSource : public IAudioSource, public cMemoryOverride
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{
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public:
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enum Events{
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ON_UPDATE,
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ON_RELEASE,
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ON_PLAY,
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ON_PAUSE,
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ON_STOP,
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};
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#ifdef CAUDIO_EFX_ENABLED
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cAudioSource(IAudioDecoder* decoder, ALCcontext* context, cEFXFunctions* oALFunctions);
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#else
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cAudioSource(IAudioDecoder* decoder, ALCcontext* context);
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#endif
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~cAudioSource();
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virtual bool play();
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virtual bool play2d(const bool& toLoop = false);
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virtual bool play3d(const cVector3& position, const float& soundstr = 1.0 , const bool& toLoop = false);
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virtual void pause();
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virtual void stop();
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virtual void loop(const bool& toLoop);
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virtual bool seek(const float& seconds, bool relative = false);
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virtual float getTotalAudioTime();
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virtual int getTotalAudioSize();
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virtual int getCompressedAudioSize();
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virtual float getCurrentAudioTime();
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virtual int getCurrentAudioPosition();
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virtual int getCurrentCompressedAudioPosition();
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virtual bool update();
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virtual void release();
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virtual const bool isValid() const;
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virtual const bool isPlaying() const;
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virtual const bool isPaused() const;
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virtual const bool isStopped() const;
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virtual const bool isLooping() const;
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virtual void setPosition(const cVector3& position);
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virtual void setVelocity(const cVector3& velocity);
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virtual void setDirection(const cVector3& direction);
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virtual void setRolloffFactor(const float& rolloff);
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virtual void setStrength(const float& soundstrength);
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virtual void setMinDistance(const float& minDistance);
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virtual void setMaxDistance(const float& maxDistance);
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virtual void setPitch(const float& pitch);
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virtual void setVolume(const float& volume);
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virtual void setMinVolume(const float& minVolume);
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virtual void setMaxVolume(const float& maxVolume);
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virtual void setInnerConeAngle(const float& innerAngle);
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virtual void setOuterConeAngle(const float& outerAngle);
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virtual void setOuterConeVolume(const float& outerVolume);
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virtual void setDopplerStrength(const float& dstrength);
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virtual void setDopplerVelocity(const cVector3& dvelocity);
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virtual void move(const cVector3& position);
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virtual const cVector3 getPosition() const;
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virtual const cVector3 getVelocity() const;
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virtual const cVector3 getDirection() const;
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virtual const float getRolloffFactor() const;
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virtual const float getStrength() const;
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virtual const float getMinDistance() const;
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virtual const float getMaxDistance() const;
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virtual const float getPitch() const;
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virtual const float getVolume() const;
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virtual const float getMinVolume() const;
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virtual const float getMaxVolume() const;
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virtual const float getInnerConeAngle() const;
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virtual const float getOuterConeAngle() const;
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virtual const float getOuterConeVolume() const;
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virtual const float getDopplerStrength() const;
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virtual const cVector3 getDopplerVelocity() const;
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virtual void registerEventHandler(ISourceEventHandler* handler);
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virtual void unRegisterEventHandler(ISourceEventHandler* handler);
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virtual void unRegisterAllEventHandlers();
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#ifdef CAUDIO_EFX_ENABLED
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virtual unsigned int getNumEffectSlotsAvailable() const;
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virtual bool attachEffect(unsigned int slot, IEffect* effect);
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virtual void removeEffect(unsigned int slot);
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virtual bool attachFilter(IFilter* filter);
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virtual void removeFilter();
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#endif
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protected:
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private:
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//! Mutex for thread synchronization
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cAudioMutex Mutex;
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//! Empties the current working buffer queue
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void empty();
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//! Checks for OpenAL errors and reports them
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bool checkError() const;
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//! Streams audio data from the decoder into a buffer
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bool stream(ALuint buffer);
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//! Signals a event to all event handlers
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void signalEvent(Events sevent);
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//! Converts our audio format enum to OpenAL's
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ALenum convertAudioFormatEnum(AudioFormats format);
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//! The context that owns this source
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ALCcontext* Context;
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//! Internal audio buffers
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ALuint Buffers[CAUDIO_SOURCE_NUM_BUFFERS];
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//! OpenAL source
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ALuint Source;
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ALenum oldState;
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//! cAudio decoder being used to stream data
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IAudioDecoder* Decoder;
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//! Stores whether the source is to loop the audio stream
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bool Loop;
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//! Stores whether the source is ready to be used
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bool Valid;
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//! List of registered event handlers
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cAudioList<ISourceEventHandler*>::Type eventHandlerList;
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#ifdef CAUDIO_EFX_ENABLED
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//! Holds pointers to all the EFX related functions
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cEFXFunctions* EFX;
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//! Updates the attached filter
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void updateFilter(bool remove = false);
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//! Updates the effect attached to a specific slot
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void updateEffect(unsigned int slot, bool remove = false);
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//! Stores the effects attached to this source
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IEffect* Effects[CAUDIO_SOURCE_MAX_EFFECT_SLOTS];
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//! Stores the last updated time stamps for the attached effects
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unsigned int LastEffectTimeStamp[CAUDIO_SOURCE_MAX_EFFECT_SLOTS];
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//! Stores the attached direct feed filter
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IFilter* Filter;
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//! Stores the last updated time stamp for the attached filter
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unsigned int LastFilterTimeStamp;
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//! Number of effects supported by the OpenAL Context
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unsigned int EffectSlotsAvailable;
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#endif
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};
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};
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#endif //! CAUDIOSOURCE_H_INCLUDED
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