77 lines
1.7 KiB
C++
77 lines
1.7 KiB
C++
//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose:
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//
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// $Workfile: $
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// $Date: $
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// $NoKeywords: $
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//=============================================================================//
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#ifndef SND_WAVE_SOURCE_H
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#define SND_WAVE_SOURCE_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "soundsystem/snd_audio_source.h"
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#include "sentence.h"
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class IterateRIFF;
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class CAudioSourceWave : public CAudioSource
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{
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public:
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CAudioSourceWave( void );
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~CAudioSourceWave( void );
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void Setup( const char *pFormat, int formatSize, IterateRIFF &walk );
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virtual int SampleRate( void ) { return m_rate; }
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inline int SampleSize( void ) { return m_sampleSize; }
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virtual float TrueSampleSize( void );
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void *GetHeader( void );
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// Legacy
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virtual void ParseChunk( IterateRIFF &walk, int chunkName );
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virtual void ParseSentence( IterateRIFF &walk );
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void ConvertSamples( char *pData, int sampleCount );
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bool IsLooped( void ) { return (m_loopStart >= 0) ? true : false; }
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bool IsStreaming( void ) { return false; }
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int ConvertLoopedPosition( int samplePosition );
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int SampleCount( void );
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virtual float GetRunningLength( void )
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{
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if ( m_rate > 0.0 )
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{
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return (float)SampleCount() / m_rate;
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}
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return 0.0f; }
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CSentence *GetSentence( void );
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protected:
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// returns the loop start from a cue chunk
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int ParseCueChunk( IterateRIFF &walk );
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void Init( const char *pHeaderBuffer, int headerSize );
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int m_bits;
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int m_rate;
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int m_channels;
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int m_format;
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int m_sampleSize;
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int m_loopStart;
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int m_sampleCount;
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private:
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char *m_pHeader;
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CSentence m_Sentence;
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};
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#endif // SND_WAVE_SOURCE_H
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