218 lines
10 KiB
C
218 lines
10 KiB
C
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/*++
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Copyright (c) 1995 Microsoft Corporation
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Module Name:mmsystem.h -- Include file for Multimedia API's
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* If defined, the following flags inhibit inclusion
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* of the indicated items:
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*
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* MMNOSOUND Sound support
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* MMNOWAVE Waveform support
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*
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*/
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#ifndef _INC_MMIO
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#define _INC_MMIO // to prevent multiple inclusion of mmsystem.h
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#include "pshpack1.h" // Assume byte packing throughout
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#ifdef __cplusplus
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extern "C" { // Assume C declarations for C++
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#endif // __cplusplus
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#define MAKEFOURCC(ch0, ch1, ch2, ch3) \
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((DWORD)(BYTE)(ch0) | ((DWORD)(BYTE)(ch1) << 8) | \
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((DWORD)(BYTE)(ch2) << 16) | ((DWORD)(BYTE)(ch3) << 24 ))
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#define mmioFOURCC(ch0, ch1, ch2, ch3) MAKEFOURCC(ch0, ch1, ch2, ch3)
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extern HANDLE hHeap;
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//extern PHNDL pHandleList;
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extern CRITICAL_SECTION HandleListCritSec;
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#ifndef MMNOMMIO
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/****************************************************************************
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Multimedia File I/O support
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****************************************************************************/
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/* MMIO error return values */
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#define MMIOERR_BASE 256
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#define MMIOERR_FILENOTFOUND (MMIOERR_BASE + 1) /* file not found */
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#define MMIOERR_OUTOFMEMORY (MMIOERR_BASE + 2) /* out of memory */
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#define MMIOERR_CANNOTOPEN (MMIOERR_BASE + 3) /* cannot open */
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#define MMIOERR_CANNOTCLOSE (MMIOERR_BASE + 4) /* cannot close */
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#define MMIOERR_CANNOTREAD (MMIOERR_BASE + 5) /* cannot read */
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#define MMIOERR_CANNOTWRITE (MMIOERR_BASE + 6) /* cannot write */
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#define MMIOERR_CANNOTSEEK (MMIOERR_BASE + 7) /* cannot seek */
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#define MMIOERR_CANNOTEXPAND (MMIOERR_BASE + 8) /* cannot expand file */
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#define MMIOERR_CHUNKNOTFOUND (MMIOERR_BASE + 9) /* chunk not found */
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#define MMIOERR_UNBUFFERED (MMIOERR_BASE + 10) /* */
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#define MMIOERR_PATHNOTFOUND (MMIOERR_BASE + 11) /* path incorrect */
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#define MMIOERR_ACCESSDENIED (MMIOERR_BASE + 12) /* file was protected */
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#define MMIOERR_SHARINGVIOLATION (MMIOERR_BASE + 13) /* file in use */
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#define MMIOERR_NETWORKERROR (MMIOERR_BASE + 14) /* network not responding */
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#define MMIOERR_TOOMANYOPENFILES (MMIOERR_BASE + 15) /* no more file handles */
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#define MMIOERR_INVALIDFILE (MMIOERR_BASE + 16) /* default error file error */
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/* MMIO constants */
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#define CFSEPCHAR '+' /* compound file name separator char. */
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/* MMIO data types */
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typedef LPSTR HPSTR; /* a huge str pointer (old) */
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typedef DWORD FOURCC; /* a four character code */
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//DECLARE_HANDLE(HMMIO); /* a handle to an open file */
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typedef LRESULT (CALLBACK MMIOPROC)(LPSTR lpmmioinfo, UINT uMsg, LPARAM lParam1, LPARAM lParam2);
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typedef MMIOPROC FAR *LPMMIOPROC;
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/* general MMIO information data structure */
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typedef struct _MMIOINFO
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{
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/* general fields */
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DWORD dwFlags; /* general status flags */
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FOURCC fccIOProc; /* pointer to I/O procedure */
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LPMMIOPROC pIOProc; /* pointer to I/O procedure */
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UINT wErrorRet; /* place for error to be returned */
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HTASK htask; /* alternate local task */
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/* fields maintained by MMIO functions during buffered I/O */
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LONG cchBuffer; /* size of I/O buffer (or 0L) */
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LPSTR pchBuffer; /* start of I/O buffer (or NULL) */
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LPSTR pchNext; /* pointer to next byte to read/write */
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LPSTR pchEndRead; /* pointer to last valid byte to read */
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LPSTR pchEndWrite; /* pointer to last byte to write */
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LONG lBufOffset; /* disk offset of start of buffer */
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/* fields maintained by I/O procedure */
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LONG lDiskOffset; /* disk offset of next read or write */
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DWORD adwInfo[3]; /* data specific to type of MMIOPROC */
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/* other fields maintained by MMIO */
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DWORD dwReserved1; /* reserved for MMIO use */
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DWORD dwReserved2; /* reserved for MMIO use */
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HMMIO hmmio; /* handle to open file */
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} MMIOINFO, *PMMIOINFO, NEAR *NPMMIOINFO, FAR *LPMMIOINFO;
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typedef const MMIOINFO FAR *LPCMMIOINFO;
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/* RIFF chunk information data structure */
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typedef struct _MMCKINFO
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{
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FOURCC ckid; /* chunk ID */
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DWORD cksize; /* chunk size */
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FOURCC fccType; /* form type or list type */
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DWORD dwDataOffset; /* offset of data portion of chunk */
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DWORD dwFlags; /* flags used by MMIO functions */
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} MMCKINFO, *PMMCKINFO, NEAR *NPMMCKINFO, FAR *LPMMCKINFO;
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typedef const MMCKINFO *LPCMMCKINFO;
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/* bit field masks */
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#define MMIO_RWMODE 0x00000003 /* open file for reading/writing/both */
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#define MMIO_SHAREMODE 0x00000070 /* file sharing mode number */
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/* constants for dwFlags field of MMIOINFO */
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#define MMIO_CREATE 0x00001000 /* create new file (or truncate file) */
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#define MMIO_PARSE 0x00000100 /* parse new file returning path */
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#define MMIO_DELETE 0x00000200 /* create new file (or truncate file) */
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#define MMIO_EXIST 0x00004000 /* checks for existence of file */
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#define MMIO_ALLOCBUF 0x00010000 /* mmioOpen() should allocate a buffer */
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#define MMIO_GETTEMP 0x00020000 /* mmioOpen() should retrieve temp name */
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#define MMIO_DIRTY 0x10000000 /* I/O buffer is dirty */
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/* read/write mode numbers (bit field MMIO_RWMODE) */
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#define MMIO_READ 0x00000000 /* open file for reading only */
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#define MMIO_WRITE 0x00000001 /* open file for writing only */
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#define MMIO_READWRITE 0x00000002 /* open file for reading and writing */
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/* share mode numbers (bit field MMIO_SHAREMODE) */
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#define MMIO_COMPAT 0x00000000 /* compatibility mode */
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#define MMIO_EXCLUSIVE 0x00000010 /* exclusive-access mode */
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#define MMIO_DENYWRITE 0x00000020 /* deny writing to other processes */
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#define MMIO_DENYREAD 0x00000030 /* deny reading to other processes */
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#define MMIO_DENYNONE 0x00000040 /* deny nothing to other processes */
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/* various MMIO flags */
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#define MMIO_FHOPEN 0x0010 /* mmioClose: keep file handle open */
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#define MMIO_EMPTYBUF 0x0010 /* mmioFlush: empty the I/O buffer */
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#define MMIO_TOUPPER 0x0010 /* mmioStringToFOURCC: to u-case */
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#define MMIO_INSTALLPROC 0x00010000 /* mmioInstallIOProc: install MMIOProc */
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#define MMIO_GLOBALPROC 0x10000000 /* mmioInstallIOProc: install globally */
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#define MMIO_REMOVEPROC 0x00020000 /* mmioInstallIOProc: remove MMIOProc */
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#define MMIO_UNICODEPROC 0x01000000 /* mmioInstallIOProc: Unicode MMIOProc */
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#define MMIO_FINDPROC 0x00040000 /* mmioInstallIOProc: find an MMIOProc */
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#define MMIO_FINDCHUNK 0x0010 /* mmioDescend: find a chunk by ID */
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#define MMIO_FINDRIFF 0x0020 /* mmioDescend: find a LIST chunk */
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#define MMIO_FINDLIST 0x0040 /* mmioDescend: find a RIFF chunk */
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#define MMIO_CREATERIFF 0x0020 /* mmioCreateChunk: make a LIST chunk */
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#define MMIO_CREATELIST 0x0040 /* mmioCreateChunk: make a RIFF chunk */
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/* message numbers for MMIOPROC I/O procedure functions */
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#define MMIOM_READ MMIO_READ /* read */
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#define MMIOM_WRITE MMIO_WRITE /* write */
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#define MMIOM_SEEK 2 /* seek to a new position in file */
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#define MMIOM_OPEN 3 /* open file */
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#define MMIOM_CLOSE 4 /* close file */
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#define MMIOM_WRITEFLUSH 5 /* write and flush */
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#define MMIOM_RENAME 6 /* rename specified file */
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#define MMIOM_USER 0x8000 /* beginning of user-defined messages */
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/* standard four character codes */
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#define FOURCC_RIFF mmioFOURCC('R', 'I', 'F', 'F')
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#define FOURCC_LIST mmioFOURCC('L', 'I', 'S', 'T')
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/* four character codes used to identify standard built-in I/O procedures */
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#define FOURCC_DOS mmioFOURCC('D', 'O', 'S', ' ')
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#define FOURCC_MEM mmioFOURCC('M', 'E', 'M', ' ')
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/* flags for mmioSeek() */
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#ifndef SEEK_SET
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#define SEEK_SET 0 /* seek to an absolute position */
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#define SEEK_CUR 1 /* seek relative to current position */
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#define SEEK_END 2 /* seek relative to end of file */
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#endif /* ifndef SEEK_SET */
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/* other constants */
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#define MMIO_DEFAULTBUFFER 8192 /* default buffer size */
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/* MMIO macros */
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#define mmioFOURCC(ch0, ch1, ch2, ch3) MAKEFOURCC(ch0, ch1, ch2, ch3)
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/* MMIO function prototypes */
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FOURCC WINAPI mmioStringToFOURCC(LPCTSTR sz, UINT uFlags);
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LPMMIOPROC WINAPI mmioInstallIOProc(FOURCC fccIOProc, LPMMIOPROC pIOProc, DWORD dwFlags);
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HMMIO WINAPI mmioOpen(LPWSTR pszFileName, LPMMIOINFO pmmioinfo, DWORD fdwOpen);
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MMRESULT WINAPI mmioRename(LPCWSTR pszFileName, LPCWSTR pszNewFileName, LPCMMIOINFO pmmioinfo, DWORD fdwRename);
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MMRESULT WINAPI mmioClose( HMMIO hmmio, UINT fuClose);
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LONG WINAPI mmioRead( HMMIO hmmio, LPSTR pch, LONG cch);
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LONG WINAPI mmioWrite( HMMIO hmmio, LPCSTR pch, LONG cch);
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LONG WINAPI mmioSeek( HMMIO hmmio, LONG lOffset, int iOrigin);
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MMRESULT WINAPI mmioGetInfo( HMMIO hmmio, LPMMIOINFO pmmioinfo, UINT fuInfo);
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MMRESULT WINAPI mmioSetInfo( HMMIO hmmio, LPCMMIOINFO pmmioinfo, UINT fuInfo);
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MMRESULT WINAPI mmioSetBuffer( HMMIO hmmio, LPSTR pchBuffer, LONG cchBuffer, UINT fuBuffer);
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MMRESULT WINAPI mmioFlush( HMMIO hmmio, UINT fuFlush);
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MMRESULT WINAPI mmioAdvance( HMMIO hmmio, LPMMIOINFO pmmioinfo, UINT fuAdvance);
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LRESULT WINAPI mmioSendMessage( HMMIO hmmio, UINT uMsg, LPARAM lParam1, LPARAM lParam2);
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MMRESULT WINAPI mmioDescend( HMMIO hmmio, LPMMCKINFO pmmcki, const MMCKINFO FAR* pmmckiParent, UINT fuDescend);
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MMRESULT WINAPI mmioAscend( HMMIO hmmio, LPMMCKINFO pmmcki, UINT fuAscend);
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MMRESULT WINAPI mmioCreateChunk( HMMIO hmmio, LPMMCKINFO pmmcki, UINT fuCreate);
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#endif /* ifndef MMNOMMIO */
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#ifdef __cplusplus
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} // End of extern "C" {
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#endif // __cplusplus
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#include "poppack.h" /* Revert to default packing */
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#endif // _INC_MMSYSTEM
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