You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
78 lines
1.8 KiB
78 lines
1.8 KiB
//========= Copyright © 1996-2005, Valve Corporation, All rights reserved. ============//
|
|
//
|
|
// Purpose:
|
|
//
|
|
// $Workfile: $
|
|
// $Date: $
|
|
//
|
|
//-----------------------------------------------------------------------------
|
|
// $Log: $
|
|
//
|
|
// $NoKeywords: $
|
|
//=============================================================================//
|
|
|
|
#ifndef SND_WAVE_SOURCE_H
|
|
#define SND_WAVE_SOURCE_H
|
|
#pragma once
|
|
|
|
#include "snd_audio_source.h"
|
|
#include "sentence.h"
|
|
|
|
class IterateRIFF;
|
|
|
|
class CAudioSourceWave : public CAudioSource
|
|
{
|
|
public:
|
|
CAudioSourceWave( void );
|
|
~CAudioSourceWave( void );
|
|
|
|
void Setup( const char *pFormat, int formatSize, IterateRIFF &walk );
|
|
|
|
virtual int SampleRate( void ) { return m_rate; }
|
|
inline int SampleSize( void ) { return m_sampleSize; }
|
|
virtual float TrueSampleSize( void );
|
|
|
|
void *GetHeader( void );
|
|
|
|
// Legacy
|
|
virtual void ParseChunk( IterateRIFF &walk, int chunkName );
|
|
|
|
virtual void ParseSentence( IterateRIFF &walk );
|
|
|
|
void ConvertSamples( char *pData, int sampleCount );
|
|
bool IsLooped( void ) { return (m_loopStart >= 0) ? true : false; }
|
|
bool IsStreaming( void ) { return false; }
|
|
bool IsStereoWav( void );
|
|
int ConvertLoopedPosition( int samplePosition );
|
|
|
|
int SampleCount( void );
|
|
|
|
virtual float GetRunningLength( void )
|
|
{
|
|
if ( m_rate > 0.0 )
|
|
{
|
|
return (float)SampleCount() / m_rate;
|
|
}
|
|
return 0.0f; }
|
|
|
|
CSentence *GetSentence( void );
|
|
|
|
protected:
|
|
// returns the loop start from a cue chunk
|
|
int ParseCueChunk( IterateRIFF &walk );
|
|
void Init( const char *pHeaderBuffer, int headerSize );
|
|
|
|
int m_bits;
|
|
int m_rate;
|
|
int m_channels;
|
|
int m_format;
|
|
int m_sampleSize;
|
|
int m_loopStart;
|
|
int m_sampleCount;
|
|
|
|
private:
|
|
char *m_pHeader;
|
|
CSentence m_Sentence;
|
|
};
|
|
|
|
#endif // SND_WAVE_SOURCE_H
|