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