www.pudn.com > NeroSDK-v1.05.zip > wavformat.h

/****************************************************************************** 
|* THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF 
|* ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO 
|* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A 
|* PARTICULAR PURPOSE. 
|*  
|* Copyright 1995-2004 Ahead Software AG. All Rights Reserved. 
|*----------------------------------------------------------------------------- 
|* NeroSDK / AudioPluginManager 
|* 
|* FILE: wavformat.h 
|* 
|* PURPOSE: Definition of a structure holding the raw audio data formats 
******************************************************************************/ 
 
#ifndef _WAV_FORMAT_ 
#	define _WAV_FORMAT_ 
 
#include "AudioDefs.h" 
 
struct SWavFormat 
{ 
// Construction/Destruction 
	SWavFormat() { m_iSamplesPerSecond = m_iBitsPerSample = m_iChannels = -1; }; 
	SWavFormat(int iSamplesPerSecond, int iBitsPerSample, int iChannels) 
	:	m_iSamplesPerSecond	(iSamplesPerSecond), 
		m_iBitsPerSample	(iBitsPerSample), 
		m_iChannels			(iChannels) 
	{}; 
 
// Operations 
	int GetFrameSize() const 
	{ 
		return (m_iBitsPerSample / BITS_PER_BYTE * m_iChannels); 
	}; 
 
	// Returns the amount of RAW data corresponding to this format 
	int DataInOneSec() const 
	{ 
		return (m_iBitsPerSample * m_iSamplesPerSecond * m_iChannels / 
									BITS_PER_BYTE); 
	} 
 
	bool IsValid() const  
	{ 
		return (m_iBitsPerSample	> 0 && 
				m_iChannels			> 0 && 
				m_iSamplesPerSecond > 0); 
	}; 
 
	void operator=(const SWavFormat &rSQ) 
	{ 
		m_iBitsPerSample	= rSQ.m_iBitsPerSample; 
		m_iChannels			= rSQ.m_iChannels; 
		m_iSamplesPerSecond	= rSQ.m_iSamplesPerSecond; 
	}; 
 
	bool operator==(const SWavFormat &rSQ) const 
	{ 
		return (m_iBitsPerSample	== rSQ.m_iBitsPerSample		&& 
				m_iChannels			== rSQ.m_iChannels			&& 
				m_iSamplesPerSecond	== rSQ.m_iSamplesPerSecond); 
	}; 
 
	bool operator!=(const SWavFormat &rSQ) const 
	{ 
		return !operator==(rSQ); 
	}; 
 
	float operator/(const SWavFormat &rSQ) const 
	{ 
		return	(float)(m_iSamplesPerSecond * GetFrameSize()) / 
				(float)(rSQ.m_iSamplesPerSecond * rSQ.GetFrameSize()); 
	}; 
 
// Data 
	int	m_iSamplesPerSecond,	// ... 11025 ... 22050 ... 44100 ... 
 
		m_iBitsPerSample,		// 8, 16, etc. 
 
		m_iChannels;			// Number of channels in RAW 
								// (1 - mono, 2 - stereo, etc.) 
}; 
 
#define CD_QUALITY	SWavFormat(44100, 16, 2) 
 
#endif // _WAV_FORMAT_