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64 lines
2.5 KiB
C++
64 lines
2.5 KiB
C++
#ifndef APE_WAVEINPUTSOURCE_H
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#define APE_WAVEINPUTSOURCE_H
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#include "IO.h"
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/*************************************************************************************
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CInputSource - base input format class... allows multiple format support
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*************************************************************************************/
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class CInputSource
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{
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public:
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// construction / destruction
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CInputSource(CIO * pIO, WAVEFORMATEX * pwfeSource, int * pTotalBlocks, int * pHeaderBytes, int * pTerminatingBytes, int * pErrorCode = NULL) { }
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CInputSource(const char * pSourceName, WAVEFORMATEX * pwfeSource, int * pTotalBlocks, int * pHeaderBytes, int * pTerminatingBytes, int * pErrorCode = NULL) { }
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virtual ~CInputSource() { }
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// get data
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virtual int GetData(unsigned char * pBuffer, int nBlocks, int * pBlocksRetrieved) = 0;
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// get header / terminating data
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virtual int GetHeaderData(unsigned char * pBuffer) = 0;
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virtual int GetTerminatingData(unsigned char * pBuffer) = 0;
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};
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/*************************************************************************************
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CWAVInputSource - wraps working with WAV files (could be extended to any format)
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*************************************************************************************/
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class CWAVInputSource : public CInputSource
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{
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public:
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// construction / destruction
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CWAVInputSource(CIO * pIO, WAVEFORMATEX * pwfeSource, int * pTotalBlocks, int * pHeaderBytes, int * pTerminatingBytes, int * pErrorCode = NULL);
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CWAVInputSource(const char * pSourceName, WAVEFORMATEX * pwfeSource, int * pTotalBlocks, int * pHeaderBytes, int * pTerminatingBytes, int * pErrorCode = NULL);
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~CWAVInputSource();
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// get data
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int GetData(unsigned char * pBuffer, int nBlocks, int * pBlocksRetrieved);
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// get header / terminating data
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int GetHeaderData(unsigned char * pBuffer);
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int GetTerminatingData(unsigned char * pBuffer);
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private:
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int AnalyzeSource();
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CSmartPtr<CIO> m_spIO;
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WAVEFORMATEX m_wfeSource;
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int m_nHeaderBytes;
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int m_nDataBytes;
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int m_nTerminatingBytes;
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int m_nFileBytes;
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BOOL m_bIsValid;
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};
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/*************************************************************************************
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Input souce creation
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*************************************************************************************/
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CInputSource * CreateInputSource(const char * pSourceName, WAVEFORMATEX * pwfeSource, int * pTotalBlocks, int * pHeaderBytes, int * pTerminatingBytes, int * pErrorCode = NULL);
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#endif /* APE_WAVEINPUTSOURCE_H */
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