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70 lines
2.0 KiB
70 lines
2.0 KiB
//========= Copyright Valve Corporation, All rights reserved. ============// |
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// |
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// Purpose: |
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// |
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//===========================================================================// |
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#ifndef ISOUNDSYSTEM_H |
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#define ISOUNDSYSTEM_H |
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#ifdef _WIN32 |
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#pragma once |
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#endif |
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#include "appframework/iappsystem.h" |
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//----------------------------------------------------------------------------- |
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// Forward declarations |
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//----------------------------------------------------------------------------- |
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class IAudioDevice; |
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class CAudioSource; |
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class CAudioMixer; |
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//----------------------------------------------------------------------------- |
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// Sound handle |
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//----------------------------------------------------------------------------- |
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typedef unsigned short AudioSourceHandle_t; |
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enum |
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{ |
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AUDIOSOURCEHANDLE_INVALID = (AudioSourceHandle_t)~0 |
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}; |
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//----------------------------------------------------------------------------- |
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// Flags for FindAudioSource |
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//----------------------------------------------------------------------------- |
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enum FindAudioSourceFlags_t |
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{ |
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FINDAUDIOSOURCE_NODELAY = 0x1, |
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FINDAUDIOSOURCE_PREFETCH = 0x2, |
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FINDAUDIOSOURCE_PLAYONCE = 0x4, |
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}; |
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//----------------------------------------------------------------------------- |
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// Purpose: DLL interface for low-level sound utilities |
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//----------------------------------------------------------------------------- |
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#define SOUNDSYSTEM_INTERFACE_VERSION "SoundSystem001" |
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abstract_class ISoundSystem : public IAppSystem |
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{ |
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public: |
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virtual void Update( float time ) = 0; |
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virtual void Flush( void ) = 0; |
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virtual CAudioSource *FindOrAddSound( const char *filename ) = 0; |
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virtual CAudioSource *LoadSound( const char *wavfile ) = 0; |
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virtual void PlaySound( CAudioSource *source, float volume, CAudioMixer **ppMixer ) = 0; |
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virtual bool IsSoundPlaying( CAudioMixer *pMixer ) = 0; |
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virtual CAudioMixer *FindMixer( CAudioSource *source ) = 0; |
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virtual void StopAll( void ) = 0; |
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virtual void StopSound( CAudioMixer *mixer ) = 0; |
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}; |
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#endif // ISOUNDSYSTEM_H
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