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CDAUDIO.H
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C/C++ Source or Header
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1993-01-12
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11KB
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214 lines
/****************************************************************************/
/* */
/* Module Name: CDAUDIO.H */
/* */
/* FUNCTION: This file contains the macro definition and common record */
/* structures used between the CD Audio MCI Driver, its VSDs */
/* (Vendor Specific Drivers), and the CD look-up table, */
/* MMPMCD.INI. */
/* */
/* Copyright (c) International Business Machines Corporation 1991 - 1993 */
/* All Rights Reserved */
/* */
/****************************************************************************/
/*******************************************************************/
/* CD MCD and VSD values and inter-modual communications */
/*******************************************************************/
/**********************************/
/* Macro Definitions */
/**********************************/
#define UPC_SIZE 7 /* UPC code size, CD serial number */
#define CDMCD_CUEPOINT_MAX 20 /* maximum number of cuepoints */
#define CDROM_SPEC_START 6000 /* 2 seconds, greatest min start address */
/*************************************************************************/
/* Internal messages between the MCI Driver and the VSD. */
/*************************************************************************/
#define MCIDRV_REGISTER_DISC MCI_INTERNAL_MESSAGES_START + 1
#define MCIDRV_REGISTER_DRIVE MCI_INTERNAL_MESSAGES_START + 2
#define MCIDRV_REGISTER_TRACKS MCI_INTERNAL_MESSAGES_START + 3
#define MCIDRV_CD_READ_LONG MCI_INTERNAL_MESSAGES_START + 4
#define MCIDRV_CD_SET_VERIFY MCI_INTERNAL_MESSAGES_START + 5
#define MCIDRV_CD_STATUS_CVOL MCI_INTERNAL_MESSAGES_START + 6
/*************************************************************************/
/* Internal callback routine from the VSD to the MCI Driver. */
/*************************************************************************/
typedef VOID (*PFNCDMCD) (DWORD, DWORD, DWORD);
/***********************************/
/* CDAudRegister record structures */
/***********************************/
#pragma pack(1)
typedef struct /* ID a disc, used to verify a disc change */
{ /* must stay at 8 bytes to equal size of UPC */
BYTE Mode; /* mode, 0=UPC, 1=ID */
WORD wTrack1; /* address of track one in MMTIME */
BYTE NumTracks; /* number of tracks */
DWORD dwLeadOut; /* address of lead out track */
} MCI_CD_ID;
typedef struct /* CD-ROM Drive information, determines capabilities */
{
WORD wCaps; /* capabilities */
DWORD dwPrerollType; /* preroll type */
DWORD dwPrerollTime; /* preroll time */
DWORD dwMinStartTime; /* minimum starting time */
DWORD dwCDMCDID; /* CD MCD ID for instance */
PFNCDMCD pCDMCDReturn; /* addr of CD MCD Return function */
} MCI_CD_REGDRIVE_PARMS;
/*************************************************/
/* These flags are valid for the wCaps Field */
/*************************************************/
#define CDVSD_CAP_CAN_RECORD 0x0001 /* Can record audio */
#define CDVSD_CAP_HAS_AUDIO 0x0002 /* Can play audio */
#define CDVSD_CAP_HAS_VIDEO 0x0004 /* Can play video */
#define CDVSD_CAP_CAN_EJECT 0x0010 /* Can eject disc */
#define CDVSD_CAP_CAN_STREAM 0x0020 /* Can stream */
#define CDVSD_CAP_HAS_DAC 0x0040 /* Can process internal */
#define CDVSD_CAP_CAN_LOCK 0x0080 /* Can disable manual eject */
#define CDVSD_CAP_CAN_VOLUME 0x0100 /* Can manipulate volume settings */
#define CDVSD_CAP_CAN_REVERSE 0x0200 /* Can play in reverse */
#define CDVSD_CAP_CAN_V_SPEED 0x0400 /* Can vary play speed */
#define CDVSD_CAP_CAN_CUE 0x0800 /* Can read sequent. after break */
/* Used for Cue, Pause, and Seek */
typedef struct /* Information about the disc */
{
BYTE LowestTrackNum; /* lowest track number */
BYTE HighestTrackNum; /* highest track number */
BYTE UPC[UPC_SIZE]; /* upc, 13 BCD + 4bit 0 */
MCI_CD_ID DiscID; /* Disc ID */
} MCI_CD_REGDISC_PARMS;
typedef struct /* Information about each track */
{
BYTE TrackNum; /* track number */
DWORD dwStartAddr; /* starting address in MMTIME */
DWORD dwEndAddr; /* ending address */
BYTE TrackControl; /* track control information */
} MCI_CD_REGTRACK_REC;
typedef struct /* Track information, used to verify address */
{
MCI_CD_REGTRACK_REC *TrackRecArr; /* ptr to array of track recs */
DWORD dwBufSize; /* size of buffer */
} MCI_CD_REGTRACKS_PARMS;
/********************************************/
/* Environment settings to save and restore */
/********************************************/
typedef struct
{
DWORD dwPosition; /* current position in MMTIME */
DWORD dwEndPlay; /* end play position */
DWORD dwMode; /* Play mode: playing, paused, etc. */
DWORD dwLevel; /* volume levels */
DWORD dwVSDData; /* Extra VSD data storage area */
} MCIDRV_CD_SAVE_PARMS;
/********************************************/
/* Read Long (2352-Byte) Sectors */
/********************************************/
/**************************************************************************/
/* Flag for the MCIDRV_CD_READ_LONG message */
/* Default addressing mode for the dwFrom field is Hardware Red Book. */
/* Absolute sector addressing for ISO-9660, or High Sierra Group */
/* requires a flag, as does an MMTIME address. */
/**************************************************************************/
#define MCI_CD_READLONG_HSG 0x00000100L
#define MCI_CD_READLONG_MMTIME 0x00000200L
typedef struct
{
DWORD dwFrom; /* read from this position */
WORD wCount; /* Number of sectors to read */
LPSTR lpstrReturn; /* Pointer to return buffer */
DWORD dwRetSize; /* Return buffer size */
} MCI_CD_READLONG_PARMS;
#pragma pack()
/*******************************************************************/
/* CD Table INI file, MMPMCD.INI, values */
/*******************************************************************/
/*******************************************************************/
/* Capability Flags I from the CD drive look-up table, MMPMCD.INI */
/*******************************************************************/
#define CDHW_CAP_CAN_EJECT 0x00000001 /* Can software eject disc */
#define CDHW_CAP_CAN_LOCK 0x00000002 /* Can lock drive/disable eject */
#define CDHW_CAP_READS_RAW 0x00000004 /* Can read raw sectors */
#define CDHW_CAP_CAN_WRITE 0x00000008 /* Can write to disc */
#define CDHW_CAP_CAN_PLAY 0x00000010 /* Can play CD-DA tracks */
#define CDHW_CAP_CAN_INTERLEV 0x00000020 /* Supports ISO-9660 interleaving */
#define CDHW_CAP_CAN_PREFETCH 0x00000080 /* Can prefetch internally */
#define CDHW_CAP_MANIP_AUDIO 0x00000100 /* Can manipulte audio channels */
#define CDHW_CAP_USES_REDBOOK 0x00000200 /* Can use Red Book mode */
#define CDHW_CAP_READS_XA 0x00000400 /* Can read CD-ROM/XA data */
#define CDHW_CAP_CONT_READS 0x00000800 /* Continues to read DA after stop */
#define CDHW_CAP_CAN_REVERSE 0x00001000 /* Can play in reverse */
#define CDHW_CAP_READS_CDDA 0x40000000 /* Can read CD-DA audio tracks */
/*******************************************************************/
/* Capability Flags II from the CD drive look-up table, MMPMCD.INI */
/*******************************************************************/
#define CDHW_VOL_DEP_MASK 0x00000007 /* Volume dependency mask */
#define CDHW_VOL_DEP_NONE 0 /* Volume without dependency */
#define CDHW_VOL_DEP_HIGH 2 /* Volume is highest value */
#define CDHW_VOL_DEP_LOW 3 /* Volume is lowest value */
#define CDHW_VOL_DEP_LEFT 4 /* Volume is left volume */
#define CDHW_VOL_DEP_RIGHT 5 /* Volume is right volume */
#define CDHW_VOL_INDEP_MUTE 0x00000008 /* Mute has no dependency */
#define CDHW_CAP_LOCK_MOUNT 0x00000010 /* Can only lock when mounted */
#define CDHW_CAP_PLAY_VIDEO 0x00000020 /* Can play video */
#define CDHW_CAP_MODAL_ONLY 0x00000040 /* Stop req to interrupt PLAY */
#define CDHW_CAP_SUP_SEEK 0x00000080 /* Supports SEEK IOCTL */
#define CDHW_CAP_SUP_UPC 0x00000100 /* Supports UPC IOCTL */
#define CDHW_CAP_SUP_SUBCHAN 0x00000200 /* Supports sub-channel IOCTL */
#define CDHW_CAP_CAN_CLS_TRAY 0x00000400 /* Can close door/retract caddy */
#define CDHW_CAP_VAR_PLAY 0x80000000 /* Supports variable speeds */
/* INI file record structure */
#define CDINI_APPSIZE 8 /* Application name size */
#define CDINI_KEYSIZE 16 /* Key name size */
#define CDINI_VSD_NAME_SIZE 8 /* size of file name */
#define VOLUME_CONTROL 101 /* num of values, 0% - 100% */
#pragma pack(1)
typedef struct
{
USHORT usEntryVer; /* Entry version */
ULONG ulCaps1; /* Capability flag I */
ULONG ulCaps2; /* Capability flag II */
CHAR VSDName[CDINI_VSD_NAME_SIZE]; /* DLL name for VSD */
ULONG ulMinStart; /* Min starting addr, 0x00MMSSFF */
USHORT usVolCnt; /* volume level counter */
USHORT ausVolValues[VOLUME_CONTROL]; /* volume control values */
} MMPMCD_REC;
#pragma pack()