616 lines
18 KiB
C
616 lines
18 KiB
C
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/****************************************************************************
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MODULE: RIFF.CPP
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Tab settings: Every 4 spaces
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Copyright 1996, Microsoft Corporation, All Rights Reserved.
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PURPOSE: Classes for reading and writing RIFF files
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CLASSES:
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CRIFFFile Encapsulates common RIFF file functionality
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Author(s): Name:
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---------- ----------------
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DMS Daniel M. Sangster
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Revision History:
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-----------------
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Version Date Author Comments
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1.0 25-Jul-96 DMS Created
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COMMENTS:
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****************************************************************************/
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#include "dinputpr.h"
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#define sqfl sqflDev
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/*
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* This function converts MMIO errors to HRESULTS
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*/
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HRESULT INLINE hresMMIO(UINT mmioErr)
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{
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switch(mmioErr)
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{
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case 0x0: return S_OK;
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case MMIOERR_FILENOTFOUND: return hresLe(ERROR_FILE_NOT_FOUND);/* file not found */
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case MMIOERR_OUTOFMEMORY: return hresLe(ERROR_OUTOFMEMORY); /* out of memory */
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case MMIOERR_CANNOTOPEN: return hresLe(ERROR_OPEN_FAILED); /* cannot open */
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case MMIOERR_CANNOTCLOSE: return S_FALSE; /* cannot close */
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case MMIOERR_CANNOTREAD: return hresLe(ERROR_READ_FAULT); /* cannot read */
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case MMIOERR_CANNOTWRITE: return hresLe(ERROR_WRITE_FAULT); /* cannot write */
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case MMIOERR_CANNOTSEEK: return hresLe(ERROR_SEEK); /* cannot seek */
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case MMIOERR_CANNOTEXPAND: return hresLe(ERROR_SEEK); /* cannot expand file */
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case MMIOERR_CHUNKNOTFOUND: return hresLe(ERROR_SECTOR_NOT_FOUND); /* chunk not found */
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case MMIOERR_UNBUFFERED: return E_FAIL;
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case MMIOERR_PATHNOTFOUND: return hresLe(ERROR_PATH_NOT_FOUND);/* path incorrect */
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case MMIOERR_ACCESSDENIED: return hresLe(ERROR_ACCESS_DENIED); /* file was protected */
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case MMIOERR_SHARINGVIOLATION: return hresLe(ERROR_SHARING_VIOLATION); /* file in use */
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case MMIOERR_NETWORKERROR: return hresLe(ERROR_UNEXP_NET_ERR); /* network not responding */
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case MMIOERR_TOOMANYOPENFILES: return hresLe(ERROR_TOO_MANY_OPEN_FILES); /* no more file handles */
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case MMIOERR_INVALIDFILE: return hresLe(ERROR_BAD_FORMAT); /* default error file error */
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default: return E_FAIL;
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}
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}
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HRESULT INLINE RIFF_Ascend(HMMIO hmmio, LPMMCKINFO lpmmckinfo)
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{
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return hresMMIO( mmioAscend(hmmio, lpmmckinfo, 0) );
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}
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HRESULT INLINE RIFF_Descend(HMMIO hmmio, LPMMCKINFO lpmmckinfo, LPMMCKINFO lpmmckinfoParent, UINT nFlags)
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{
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return hresMMIO(mmioDescend(hmmio, lpmmckinfo, lpmmckinfoParent, nFlags));
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}
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HRESULT INLINE RIFF_CreateChunk(HMMIO hmmio, LPMMCKINFO lpmmckinfo, UINT nFlags)
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{
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// set cksize to zero to overcome a bug in release version of mmioAscend
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// which does not correctly write back the size of the chunk
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lpmmckinfo->cksize = 0;
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return hresMMIO(mmioCreateChunk(hmmio, lpmmckinfo, nFlags));
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}
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HRESULT INLINE RIFF_Read(HMMIO hmmio, LPVOID pBuf, LONG nCount)
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{
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return (nCount == mmioRead(hmmio, (char*)pBuf, nCount)) ? S_OK: hresLe(ERROR_READ_FAULT);
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}
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HRESULT INLINE RIFF_Write(HMMIO hmmio, const LPVOID pBuf, LONG nCount)
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{
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return ( nCount == mmioWrite(hmmio, (char*)pBuf, nCount)) ? S_OK : hresLe(ERROR_WRITE_FAULT);
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}
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HRESULT RIFF_Close(HMMIO hmmio, UINT nFlags)
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{
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return hresMMIO(mmioClose(hmmio, nFlags));
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}
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/*
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* Opens a RIFF file for read / write
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* Reads/Writes a GUID that servers as our signature
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*/
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HRESULT RIFF_Open
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(
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LPCSTR lpszFilename,
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UINT nOpenFlags,
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PHANDLE phmmio,
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LPMMCKINFO lpmmck,
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PDWORD pdwEffectSz
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)
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{
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HRESULT hres = S_OK;
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MMIOINFO mmInfo;
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HMMIO hmmio;
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ZeroX(mmInfo);
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// go ahead and open the file, if we can
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hmmio = mmioOpenA((LPSTR)lpszFilename, &mmInfo, nOpenFlags);
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if(mmInfo.wErrorRet)
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{
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hres = hresMMIO(mmInfo.wErrorRet);
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AssertF(FAILED(hres));
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}
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// if( nOpenFlags & ( MMIO_READ | MMIO_ALLOCBUF) )
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if( nOpenFlags == ( MMIO_READ | MMIO_ALLOCBUF) )
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{
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if(SUCCEEDED(hres))
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{
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// locate and descend into FORC RIFF chunk
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lpmmck->fccType = FCC_FORCE_EFFECT_RIFF;
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hres = RIFF_Descend(hmmio, lpmmck, NULL, MMIO_FINDRIFF);
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}
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if(SUCCEEDED(hres))
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{
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GUID GUIDVersion;
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//read the guid
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hres = RIFF_Read(hmmio, &GUIDVersion, sizeof(GUID));
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if(SUCCEEDED(hres))
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{
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if(IsEqualGUID(&GUIDVersion, &GUID_INTERNALFILEEFFECT))
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{
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} else
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{
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hres = hresLe(ERROR_BAD_FORMAT);
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}
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}
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}
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}
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//else if( nOpenFlags & ( MMIO_WRITE | MMIO_ALLOCBUF) )
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else if( nOpenFlags & ( MMIO_WRITE) )
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{
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// create the FORC RIFF chunk
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lpmmck->fccType = FCC_FORCE_EFFECT_RIFF;
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hres = RIFF_CreateChunk(hmmio, lpmmck, MMIO_CREATERIFF);
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if(SUCCEEDED(hres))
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{
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//write the version GUID
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hres = RIFF_Write(hmmio, (PV)&GUID_INTERNALFILEEFFECT, sizeof(GUID));
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}
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} else
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{
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hres = E_FAIL;
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}
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*phmmio = hmmio;
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return hres;
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}
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/*****************************************************************************
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*
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* internal
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* RIFF_ReadEffect
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*
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* Reads a single Effect from a RIFF file
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*
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* The callee bears the responsibility to free the TypeSpecificParameterBlock
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* for the effect.
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*
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*
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*****************************************************************************/
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#ifdef _M_IA64
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//This is hack to read 32 bit files on ia64, since someone decided to write
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//pointers to file.
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//Copied from dinput.h and modified.
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typedef struct DIEFFECT_FILE32 {
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DWORD dwSize; /* sizeof(DIEFFECT) */
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DWORD dwFlags; /* DIEFF_* */
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DWORD dwDuration; /* Microseconds */
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DWORD dwSamplePeriod; /* Microseconds */
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DWORD dwGain;
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DWORD dwTriggerButton; /* or DIEB_NOTRIGGER */
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DWORD dwTriggerRepeatInterval; /* Microseconds */
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DWORD cAxes; /* Number of axes */
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/*Make sure size is same on both 1386 and ia64.
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LPDWORD rgdwAxes;
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LPLONG rglDirection;
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LPDIENVELOPE lpEnvelope;
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*/ DWORD rgdwAxes; /* Array of axes */
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DWORD rglDirection; /* Array of directions */
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DWORD lpEnvelope; /* Optional */
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DWORD cbTypeSpecificParams; /* Size of params */
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/*Make sure size is same on both 1386 and ia64.
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LPVOID lpvTypeSpecificParams;
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*/ DWORD lpvTypeSpecificParams; /* Pointer to params */
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//#if(DIRECTINPUT_VERSION >= 0x0600)//Out since file format does not change.
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DWORD dwStartDelay; /* Microseconds */
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//#endif /* DIRECTINPUT_VERSION >= 0x0600 *///Out since file format does not change.
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} DIEFFECT_FILE32, *LPDIEFFECT_FILE32;
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#endif /*_M_IA64*/
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HRESULT
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RIFF_ReadEffect
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(
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HMMIO hmmio,
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LPDIFILEEFFECT lpDiFileEf
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)
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{
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HRESULT hres = E_FAIL;
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MMCKINFO mmckinfoEffectLIST;
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MMCKINFO mmckinfoDataCHUNK;
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LPDIEFFECT peff = (LPDIEFFECT)lpDiFileEf->lpDiEffect;
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// descend into the effect list
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mmckinfoEffectLIST.fccType = FCC_EFFECT_LIST;
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hres = RIFF_Descend(hmmio, &mmckinfoEffectLIST, NULL, MMIO_FINDLIST);
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if(SUCCEEDED(hres))
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{
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//read the name
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hres = RIFF_Read(hmmio, lpDiFileEf->szFriendlyName, MAX_SIZE_SNAME);
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}
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if(SUCCEEDED(hres))
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{
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#ifdef _M_IA64
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DIEFFECT_FILE32 eff32;
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//read the effect structure
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hres = RIFF_Read(hmmio, &eff32, sizeof(eff32));
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AssertF( eff32.dwSize == sizeof(eff32) );
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if( eff32.dwSize != sizeof(eff32) )
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{
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hres = ERROR_BAD_FORMAT;
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}
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else
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{
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peff->dwSize=sizeof(*peff);
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peff->dwFlags=eff32.dwFlags;
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peff->dwDuration=eff32.dwDuration;
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peff->dwSamplePeriod=eff32.dwSamplePeriod;
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peff->dwGain=eff32.dwGain;
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peff->dwTriggerButton=eff32.dwTriggerButton;
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peff->dwTriggerRepeatInterval=eff32.dwTriggerRepeatInterval;
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peff->cAxes=eff32.cAxes;
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peff->cbTypeSpecificParams=eff32.cbTypeSpecificParams;
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peff->lpvTypeSpecificParams=(LPVOID)(DWORD_PTR)eff32.lpvTypeSpecificParams;
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peff->dwStartDelay=eff32.dwStartDelay;
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}
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#else /*_M_IA64*/
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// Reading the effect structure will zap out the following,
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// so we make a copy before the read.
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LPDIENVELOPE lpEnvelope = peff->lpEnvelope;
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LPDWORD rgdwAxes = peff->rgdwAxes;
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LPLONG rglDirection= peff->rglDirection;
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//read the effect structure
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hres = RIFF_Read(hmmio, peff, sizeof(DIEFFECT));
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AssertF( peff->dwSize == sizeof(DIEFFECT) );
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if( peff->dwSize != sizeof(DIEFFECT) )
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{
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hres = ERROR_BAD_FORMAT;
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}
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else
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{
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if(peff->lpEnvelope) peff->lpEnvelope = lpEnvelope;
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if(peff->rgdwAxes) peff->rgdwAxes = rgdwAxes;
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if(peff->rglDirection) peff->rglDirection = rglDirection;
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}
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#endif /*_M_IA64*/
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if(SUCCEEDED(hres))
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{
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AssertF(peff->cAxes < DIEFFECT_MAXAXES);
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if(peff->cAxes >= DIEFFECT_MAXAXES)
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{
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hres = ERROR_BAD_FORMAT;
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}
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}
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}
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if(SUCCEEDED(hres))
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{
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// read the Effect GUID
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hres = RIFF_Read(hmmio, &lpDiFileEf->GuidEffect, sizeof(GUID));
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}
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if(SUCCEEDED(hres))
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{
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UINT nRepeatCount;
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//read in the repeat count
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hres = RIFF_Read(hmmio, &nRepeatCount, sizeof(nRepeatCount));
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}
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if(SUCCEEDED(hres) && peff->rgdwAxes)
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{
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// descend the data chunk
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mmckinfoDataCHUNK.ckid = FCC_DATA_CHUNK;
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hres = RIFF_Descend(hmmio, &mmckinfoDataCHUNK, NULL, MMIO_FINDCHUNK);
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if(SUCCEEDED(hres))
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{
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//read the axes
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hres = RIFF_Read(hmmio, peff->rgdwAxes, cbX(*peff->rgdwAxes)*(peff->cAxes));
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hres = RIFF_Ascend(hmmio, &mmckinfoDataCHUNK);
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}
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}
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if(SUCCEEDED(hres) && peff->rglDirection)
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{
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//descend the data chunk
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mmckinfoDataCHUNK.ckid = FCC_DATA_CHUNK;
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hres = RIFF_Descend(hmmio, &mmckinfoDataCHUNK, NULL, MMIO_FINDCHUNK);
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if(SUCCEEDED(hres))
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{
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//read the direction
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hres = RIFF_Read(hmmio, peff->rglDirection, cbX(*peff->rglDirection)*(peff->cAxes));
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hres = RIFF_Ascend(hmmio, &mmckinfoDataCHUNK);
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}
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}
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if(SUCCEEDED(hres) && peff->lpEnvelope )
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{
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//descend the data chunk
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mmckinfoDataCHUNK.ckid = FCC_DATA_CHUNK;
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hres = RIFF_Descend(hmmio, &mmckinfoDataCHUNK, NULL, MMIO_FINDCHUNK);
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if(SUCCEEDED(hres))
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{
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hres = RIFF_Read(hmmio, peff->lpEnvelope, sizeof(DIENVELOPE));
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hres = RIFF_Ascend(hmmio, &mmckinfoDataCHUNK);
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}
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}
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if(SUCCEEDED(hres) && (peff->cbTypeSpecificParams > 0))
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{
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// get the param structure, if any
|
||
|
|
hres = AllocCbPpv( peff->cbTypeSpecificParams, &peff->lpvTypeSpecificParams );
|
||
|
|
|
||
|
|
if( SUCCEEDED( hres ) )
|
||
|
|
{
|
||
|
|
//descend the data chunk
|
||
|
|
mmckinfoDataCHUNK.ckid = FCC_DATA_CHUNK;
|
||
|
|
hres = RIFF_Descend(hmmio, &mmckinfoDataCHUNK, NULL, MMIO_FINDCHUNK);
|
||
|
|
if(SUCCEEDED(hres))
|
||
|
|
{
|
||
|
|
hres = RIFF_Read(hmmio, peff->lpvTypeSpecificParams, peff->cbTypeSpecificParams);
|
||
|
|
hres = RIFF_Ascend(hmmio, &mmckinfoDataCHUNK);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
if(SUCCEEDED(hres))
|
||
|
|
{
|
||
|
|
// ascend the effect chunk
|
||
|
|
hres = RIFF_Ascend(hmmio, &mmckinfoEffectLIST);
|
||
|
|
}
|
||
|
|
return hres;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* RIFF_WriteEffect
|
||
|
|
*
|
||
|
|
* Writes a single Effect structure to a RIFF file
|
||
|
|
*
|
||
|
|
* The effect structure is quite complex. It contains pointers
|
||
|
|
* to a number of other structures. This function checks for
|
||
|
|
* valid data before it writes out the effect structure
|
||
|
|
*/
|
||
|
|
|
||
|
|
HRESULT RIFF_WriteEffect
|
||
|
|
(HMMIO hmmio,
|
||
|
|
LPDIFILEEFFECT lpDiFileEf
|
||
|
|
)
|
||
|
|
{
|
||
|
|
|
||
|
|
HRESULT hres = E_FAIL;
|
||
|
|
LPDIEFFECT peff = (LPDIEFFECT)lpDiFileEf->lpDiEffect;
|
||
|
|
MMCKINFO mmckinfoEffectLIST;
|
||
|
|
MMCKINFO mmckinfoDataCHUNK;
|
||
|
|
LPDWORD rgdwAxes = NULL;
|
||
|
|
LPLONG rglDirection = NULL;
|
||
|
|
LPDIENVELOPE lpEnvelope = NULL;
|
||
|
|
LPVOID lpvTypeSpecPar = NULL;
|
||
|
|
|
||
|
|
EnterProcI(RIFF_WriteEffect, (_ "xx", hmmio, lpDiFileEf));
|
||
|
|
|
||
|
|
// create the effect LIST
|
||
|
|
mmckinfoEffectLIST.fccType = FCC_EFFECT_LIST;
|
||
|
|
hres = RIFF_CreateChunk(hmmio, &mmckinfoEffectLIST, MMIO_CREATELIST);
|
||
|
|
|
||
|
|
//save the effect ptrs and write flags to the file, instead of ptrs
|
||
|
|
if (peff->rgdwAxes)
|
||
|
|
{
|
||
|
|
rgdwAxes = peff->rgdwAxes;
|
||
|
|
peff->rgdwAxes = (LPDWORD)DIEP_AXES;
|
||
|
|
}
|
||
|
|
if (peff->rglDirection)
|
||
|
|
{
|
||
|
|
rglDirection = peff->rglDirection;
|
||
|
|
peff->rglDirection = (LPLONG)DIEP_DIRECTION;
|
||
|
|
}
|
||
|
|
if (peff->lpEnvelope)
|
||
|
|
{
|
||
|
|
lpEnvelope = peff->lpEnvelope;
|
||
|
|
peff->lpEnvelope = (LPDIENVELOPE)DIEP_ENVELOPE;
|
||
|
|
}
|
||
|
|
if ((peff->cbTypeSpecificParams > 0) && (peff->lpvTypeSpecificParams != NULL))
|
||
|
|
{
|
||
|
|
lpvTypeSpecPar = peff->lpvTypeSpecificParams;
|
||
|
|
peff->lpvTypeSpecificParams = (LPVOID)DIEP_TYPESPECIFICPARAMS;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
if(SUCCEEDED(hres))
|
||
|
|
{
|
||
|
|
hres = hresFullValidReadStrA(lpDiFileEf->szFriendlyName, MAX_JOYSTRING,1);
|
||
|
|
|
||
|
|
if(SUCCEEDED(hres))
|
||
|
|
{
|
||
|
|
//write the name, only MAX_SIZE_SNAME characters
|
||
|
|
hres = RIFF_Write(hmmio, lpDiFileEf->szFriendlyName, MAX_SIZE_SNAME);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if(SUCCEEDED(hres))
|
||
|
|
{
|
||
|
|
hres = (peff && IsBadReadPtr(peff, cbX(DIEFFECT_DX5))) ? E_POINTER : S_OK;
|
||
|
|
if(SUCCEEDED(hres))
|
||
|
|
{
|
||
|
|
hres = (peff && IsBadReadPtr(peff, peff->dwSize)) ? E_POINTER : S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
if(SUCCEEDED(hres))
|
||
|
|
{
|
||
|
|
//write the effect structure
|
||
|
|
#ifdef _M_IA64
|
||
|
|
DIEFFECT_FILE32 eff32;
|
||
|
|
ZeroMemory(&eff32,sizeof(eff32));
|
||
|
|
eff32.dwSize=sizeof(eff32);
|
||
|
|
eff32.dwFlags=peff->dwFlags;
|
||
|
|
eff32.dwDuration=peff->dwDuration;
|
||
|
|
eff32.dwSamplePeriod=peff->dwSamplePeriod;
|
||
|
|
eff32.dwGain=peff->dwGain;
|
||
|
|
eff32.dwTriggerButton=peff->dwTriggerButton;
|
||
|
|
eff32.dwTriggerRepeatInterval=peff->dwTriggerRepeatInterval;
|
||
|
|
eff32.cAxes=peff->cAxes;
|
||
|
|
eff32.cbTypeSpecificParams=peff->cbTypeSpecificParams;
|
||
|
|
eff32.lpvTypeSpecificParams=(DWORD)(DWORD_PTR)peff->lpvTypeSpecificParams;
|
||
|
|
eff32.dwStartDelay=peff->dwStartDelay;
|
||
|
|
hres = RIFF_Write(hmmio, &eff32, eff32.dwSize);
|
||
|
|
#else /*_M_IA64*/
|
||
|
|
hres = RIFF_Write(hmmio, peff, peff->dwSize);
|
||
|
|
#endif /*_M_IA64*/
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
//restore the ptrs
|
||
|
|
if (rgdwAxes != NULL)
|
||
|
|
{
|
||
|
|
peff->rgdwAxes = rgdwAxes;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (rglDirection != NULL)
|
||
|
|
{
|
||
|
|
peff->rglDirection = rglDirection;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (lpEnvelope != NULL)
|
||
|
|
{
|
||
|
|
peff->lpEnvelope = lpEnvelope;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (lpvTypeSpecPar != NULL)
|
||
|
|
{
|
||
|
|
peff->lpvTypeSpecificParams = lpvTypeSpecPar;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
if(SUCCEEDED(hres))
|
||
|
|
{
|
||
|
|
// write the Effect GUID
|
||
|
|
hres = RIFF_Write(hmmio, &lpDiFileEf->GuidEffect, sizeof(GUID));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//write 1 as the repeat count
|
||
|
|
if(SUCCEEDED(hres))
|
||
|
|
{
|
||
|
|
UINT nRepeatCount = 1;
|
||
|
|
hres = RIFF_Write(hmmio, &nRepeatCount, sizeof(DWORD));
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
if(SUCCEEDED(hres) && rgdwAxes )
|
||
|
|
{
|
||
|
|
hres = (IsBadReadPtr(rgdwAxes, (*rgdwAxes)*cbX(peff->cAxes))) ? E_POINTER : S_OK;
|
||
|
|
if(SUCCEEDED(hres))
|
||
|
|
{
|
||
|
|
// create the data CHUNK
|
||
|
|
mmckinfoDataCHUNK.ckid = FCC_DATA_CHUNK;
|
||
|
|
hres = RIFF_CreateChunk(hmmio, &mmckinfoDataCHUNK, 0);
|
||
|
|
//write the axes
|
||
|
|
if(SUCCEEDED(hres))
|
||
|
|
{
|
||
|
|
hres = RIFF_Write(hmmio, rgdwAxes, sizeof(*rgdwAxes)*(peff->cAxes));
|
||
|
|
hres = RIFF_Ascend(hmmio, &mmckinfoDataCHUNK);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if(SUCCEEDED(hres) && rglDirection)
|
||
|
|
{
|
||
|
|
|
||
|
|
hres = (IsBadReadPtr(rglDirection, cbX(*rglDirection)*(peff->cAxes))) ? E_POINTER : S_OK;
|
||
|
|
if(SUCCEEDED(hres))
|
||
|
|
{
|
||
|
|
// create the data CHUNK
|
||
|
|
mmckinfoDataCHUNK.ckid = FCC_DATA_CHUNK;
|
||
|
|
hres = RIFF_CreateChunk(hmmio, &mmckinfoDataCHUNK, 0);
|
||
|
|
if(SUCCEEDED(hres))
|
||
|
|
{
|
||
|
|
//write the direction
|
||
|
|
hres = RIFF_Write(hmmio, rglDirection, sizeof(*rglDirection)*(peff->cAxes));
|
||
|
|
hres = RIFF_Ascend(hmmio, &mmckinfoDataCHUNK);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//write the envelope, if one is present
|
||
|
|
if(SUCCEEDED(hres) &&
|
||
|
|
(lpEnvelope != NULL) )
|
||
|
|
{
|
||
|
|
|
||
|
|
hres = (IsBadReadPtr(lpEnvelope, cbX(*lpEnvelope))) ? E_POINTER : S_OK;
|
||
|
|
if(SUCCEEDED(hres))
|
||
|
|
{
|
||
|
|
// create the data CHUNK
|
||
|
|
mmckinfoDataCHUNK.ckid = FCC_DATA_CHUNK;
|
||
|
|
hres = RIFF_CreateChunk(hmmio, &mmckinfoDataCHUNK, 0);
|
||
|
|
//write the envelope
|
||
|
|
if(SUCCEEDED(hres))
|
||
|
|
{
|
||
|
|
hres = RIFF_Write(hmmio, lpEnvelope, lpEnvelope->dwSize);
|
||
|
|
hres = RIFF_Ascend(hmmio, &mmckinfoDataCHUNK);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
//write the type-specific
|
||
|
|
if(SUCCEEDED(hres) &&
|
||
|
|
(peff->cbTypeSpecificParams > 0) &&
|
||
|
|
(peff->lpvTypeSpecificParams != NULL) )
|
||
|
|
{
|
||
|
|
|
||
|
|
hres = (IsBadReadPtr(lpvTypeSpecPar, peff->cbTypeSpecificParams)) ? E_POINTER : S_OK;
|
||
|
|
if(SUCCEEDED(hres))
|
||
|
|
{
|
||
|
|
// create the data CHUNK
|
||
|
|
mmckinfoDataCHUNK.ckid = FCC_DATA_CHUNK;
|
||
|
|
hres = RIFF_CreateChunk(hmmio, &mmckinfoDataCHUNK, 0);
|
||
|
|
//write the params
|
||
|
|
if(SUCCEEDED(hres))
|
||
|
|
{
|
||
|
|
hres = RIFF_Write(hmmio, lpvTypeSpecPar, peff->cbTypeSpecificParams);
|
||
|
|
hres = RIFF_Ascend(hmmio, &mmckinfoDataCHUNK);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
if(SUCCEEDED(hres))
|
||
|
|
{
|
||
|
|
// ascend the effect chunk
|
||
|
|
hres = RIFF_Ascend(hmmio, &mmckinfoEffectLIST);
|
||
|
|
}
|
||
|
|
|
||
|
|
ExitOleProc();
|
||
|
|
return hres;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|