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45 lines
1.5 KiB
45 lines
1.5 KiB
//========= Copyright Valve Corporation, All rights reserved. ============// |
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// |
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// Purpose: |
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// |
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// $NoKeywords: $ |
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//=============================================================================// |
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#ifndef SND_WAVE_DATA_H |
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#define SND_WAVE_DATA_H |
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#ifdef _WIN32 |
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#pragma once |
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#endif |
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#include "snd_audio_source.h" |
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//----------------------------------------------------------------------------- |
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// Purpose: Linear iterator over source data. |
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// Keeps track of position in source, and maintains necessary buffers |
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//----------------------------------------------------------------------------- |
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abstract_class IWaveData |
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{ |
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public: |
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virtual ~IWaveData( void ) {} |
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virtual CAudioSource &Source( void ) = 0; |
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virtual int ReadSourceData( void **pData, int sampleIndex, int sampleCount, char copyBuf[AUDIOSOURCE_COPYBUF_SIZE] ) = 0; |
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virtual bool IsReadyToMix() = 0; |
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}; |
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abstract_class IWaveStreamSource |
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{ |
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public: |
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virtual int UpdateLoopingSamplePosition( int samplePosition ) = 0; |
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virtual void UpdateSamples( char *pData, int sampleCount ) = 0; |
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virtual int GetLoopingInfo( int *pLoopBlock, int *pNumLeadingSamples, int *pNumTrailingSamples ) = 0; |
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}; |
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class IFileReadBinary; |
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class CSfxTable; |
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extern IWaveData *CreateWaveDataStream( CAudioSource &source, IWaveStreamSource *pStreamSource, const char *pFileName, int dataStart, int dataSize, CSfxTable *pSfx, int startOffset ); |
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extern IWaveData *CreateWaveDataMemory( CAudioSource &source ); |
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void PrefetchDataStream( const char *pFileName, int dataOffset, int dataSize ); |
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#endif // SND_WAVE_DATA_H
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