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libcdio-osx/lib/_cdio_win32.c

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Closer to having WIN32 CD-ROM support
2003-05-27 02:55:58 +00:00
/*
$Id: _cdio_win32.c,v 1.1 2003/05/27 02:55:58 rocky Exp $
Copyright (C) 2003 Rocky Bernstein <rocky@panix.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* This file contains Win32-specific code and implements low-level
control of the CD drive. Culled from vlc's cdrom.h code
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
static const char _rcsid[] = "$Id: _cdio_win32.c,v 1.1 2003/05/27 02:55:58 rocky Exp $";
#include <cdio/cdio.h>
#include <cdio/sector.h>
#include <cdio/util.h>
#include "cdio_assert.h"
#include "cdio_private.h"
/* Is this the right default? */
#define DEFAULT_CDIO_DEVICE "Z:"
/* LBA = msf.frame + 75 * ( msf.second - 2 + 60 * msf.minute ) */
#define MSF_TO_LBA2(min, sec, frame) ((int)frame + 75 * (sec -2 + 60 * min))
#include <string.h>
/* NOT COMPLETE YET.... */
#undef HAVE_WIN32_CDROM
#ifdef HAVE_WIN32_CDROM
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>
#include <fcntl.h>
#include <windows.h>
#include <winioctl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/ioctl.h>
/* Win32 DeviceIoControl specifics */
#ifndef MAXIMUM_NUMBER_TRACKS
# define MAXIMUM_NUMBER_TRACKS 100
#endif
typedef struct _TRACK_DATA {
UCHAR Reserved;
UCHAR Control : 4;
UCHAR Adr : 4;
UCHAR TrackNumber;
UCHAR Reserved1;
UCHAR Address[4];
} TRACK_DATA, *PTRACK_DATA;
typedef struct _CDROM_TOC {
UCHAR Length[2];
UCHAR FirstTrack;
UCHAR LastTrack;
TRACK_DATA TrackData[MAXIMUM_NUMBER_TRACKS];
} CDROM_TOC, *PCDROM_TOC;
typedef enum _TRACK_MODE_TYPE {
YellowMode2,
XAForm2,
CDDA
} TRACK_MODE_TYPE, *PTRACK_MODE_TYPE;
typedef struct __RAW_READ_INFO {
LARGE_INTEGER DiskOffset;
ULONG SectorCount;
TRACK_MODE_TYPE TrackMode;
} RAW_READ_INFO, *PRAW_READ_INFO;
#ifndef IOCTL_CDROM_BASE
# define IOCTL_CDROM_BASE FILE_DEVICE_CD_ROM
#endif
#ifndef IOCTL_CDROM_READ_TOC
# define IOCTL_CDROM_READ_TOC CTL_CODE(IOCTL_CDROM_BASE, 0x0000, \
METHOD_BUFFERED, FILE_READ_ACCESS)
#endif
#ifndef IOCTL_CDROM_RAW_READ
#define IOCTL_CDROM_RAW_READ CTL_CODE(IOCTL_CDROM_BASE, 0x000F, \
METHOD_OUT_DIRECT, FILE_READ_ACCESS)
#endif
/* Win32 aspi specific */
#define WIN_NT ( GetVersion() < 0x80000000 )
#define ASPI_HAID 0
#define ASPI_TARGET 0
#define DTYPE_CDROM 0x05
#define SENSE_LEN 0x0E
#define SC_GET_DEV_TYPE 0x01
#define SC_EXEC_SCSI_CMD 0x02
#define SC_GET_DISK_INFO 0x06
#define SS_COMP 0x01
#define SS_PENDING 0x00
#define SS_NO_ADAPTERS 0xE8
#define SRB_DIR_IN 0x08
#define SRB_DIR_OUT 0x10
#define SRB_EVENT_NOTIFY 0x40
#define READ_CD 0xbe
#define SECTOR_TYPE_MODE2 0x14
#define READ_CD_USERDATA_MODE2 0x10
#define READ_TOC 0x43
#define READ_TOC_FORMAT_TOC 0x0
#pragma pack(1)
struct SRB_GetDiskInfo
{
unsigned char SRB_Cmd;
unsigned char SRB_Status;
unsigned char SRB_HaId;
unsigned char SRB_Flags;
unsigned long SRB_Hdr_Rsvd;
unsigned char SRB_Target;
unsigned char SRB_Lun;
unsigned char SRB_DriveFlags;
unsigned char SRB_Int13HDriveInfo;
unsigned char SRB_Heads;
unsigned char SRB_Sectors;
unsigned char SRB_Rsvd1[22];
};
struct SRB_GDEVBlock
{
unsigned char SRB_Cmd;
unsigned char SRB_Status;
unsigned char SRB_HaId;
unsigned char SRB_Flags;
unsigned long SRB_Hdr_Rsvd;
unsigned char SRB_Target;
unsigned char SRB_Lun;
unsigned char SRB_DeviceType;
unsigned char SRB_Rsvd1;
};
struct SRB_ExecSCSICmd
{
unsigned char SRB_Cmd;
unsigned char SRB_Status;
unsigned char SRB_HaId;
unsigned char SRB_Flags;
unsigned long SRB_Hdr_Rsvd;
unsigned char SRB_Target;
unsigned char SRB_Lun;
unsigned short SRB_Rsvd1;
unsigned long SRB_BufLen;
unsigned char *SRB_BufPointer;
unsigned char SRB_SenseLen;
unsigned char SRB_CDBLen;
unsigned char SRB_HaStat;
unsigned char SRB_TargStat;
unsigned long *SRB_PostProc;
unsigned char SRB_Rsvd2[20];
unsigned char CDBByte[16];
unsigned char SenseArea[SENSE_LEN+2];
};
#pragma pack()
typedef struct {
lba_t start_lba;
track_format_t track_format;
} track_info_t;
typedef struct {
/* Things common to all drivers like this.
This must be first. */
generic_img_private_t gen;
HANDLE h_device_handle; /* device descriptor */
long hASPI;
short i_sid;
long (*lpSendCommand)( void* );
/* Track information */
bool toc_init; /* if true, info below is valid. */
track_info_t tocent[100]; /* entry info for each track */
track_t total_tracks; /* number of tracks in image */
track_t first_track_num; /* track number of first track */
} _img_private_t;
/*!
Initialize CD device.
*/
static bool
_cdio_win32_init (void *user_data)
{
_img_private_t *_obj = user_data;
if (_obj->gen.init) {
cdio_error ("init called more than once");
return false;
}
_obj->gen.init = true;
_obj->toc_init = false;
/* Initializations */
_obj->h_device_handle = NULL;
_obj->i_sid = 0;
_obj->hASPI = 0;
_obj->lpSendCommand = 0;
if ( WIN_NT ) {
char psz_win32_drive[7];
cdio_debug("using winNT/2K/XP ioctl layer");
sprintf( psz_win32_drive, "\\\\.\\%c:", _obj->gen.source_name[0] );
_obj->h_device_handle = CreateFile( psz_win32_drive, GENERIC_READ,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, OPEN_EXISTING,
FILE_FLAG_NO_BUFFERING |
FILE_FLAG_RANDOM_ACCESS, NULL );
return (_obj->h_device_handle == NULL) ? false : true;
} else {
HMODULE hASPI = NULL;
long (*lpGetSupport)( void ) = NULL;
long (*lpSendCommand)( void* ) = NULL;
DWORD dwSupportInfo;
int i, j, i_hostadapters;
char c_drive = _obj->gen.source_name[0];
hASPI = LoadLibrary( "wnaspi32.dll" );
if( hASPI != NULL ) {
(FARPROC) lpGetSupport = GetProcAddress( hASPI,
"GetASPI32SupportInfo" );
(FARPROC) lpSendCommand = GetProcAddress( hASPI,
"SendASPI32Command" );
}
if( hASPI == NULL || lpGetSupport == NULL || lpSendCommand == NULL ) {
cdio_debug("unable to load aspi or get aspi function pointers");
if( hASPI ) FreeLibrary( hASPI );
return false;
}
/* ASPI support seems to be there */
dwSupportInfo = lpGetSupport();
if( HIBYTE( LOWORD ( dwSupportInfo ) ) == SS_NO_ADAPTERS ) {
cdio_debug("no host adapters found (ASPI)");
FreeLibrary( hASPI );
return -1;
}
if( HIBYTE( LOWORD ( dwSupportInfo ) ) != SS_COMP ) {
cdio_debug("unable to initalize ASPI layer");
FreeLibrary( hASPI );
return -1;
}
i_hostadapters = LOBYTE( LOWORD( dwSupportInfo ) );
if( i_hostadapters == 0 ) {
FreeLibrary( hASPI );
return -1;
}
c_drive = c_drive > 'Z' ? c_drive - 'a' : c_drive - 'A';
for( i = 0; i < i_hostadapters; i++ ) {
for( j = 0; j < 15; j++ ) {
struct SRB_GetDiskInfo srbDiskInfo;
srbDiskInfo.SRB_Cmd = SC_GET_DISK_INFO;
srbDiskInfo.SRB_HaId = i;
srbDiskInfo.SRB_Flags = 0;
srbDiskInfo.SRB_Hdr_Rsvd = 0;
srbDiskInfo.SRB_Target = j;
srbDiskInfo.SRB_Lun = 0;
lpSendCommand( (void*) &srbDiskInfo );
if( (srbDiskInfo.SRB_Status == SS_COMP) &&
(srbDiskInfo.SRB_Int13HDriveInfo == c_drive) ) {
/* Make sure this is a cdrom device */
struct SRB_GDEVBlock srbGDEVBlock;
memset( &srbGDEVBlock, 0, sizeof(struct SRB_GDEVBlock) );
srbGDEVBlock.SRB_Cmd = SC_GET_DEV_TYPE;
srbGDEVBlock.SRB_HaId = i;
srbGDEVBlock.SRB_Target = j;
lpSendCommand( (void*) &srbGDEVBlock );
if( ( srbGDEVBlock.SRB_Status == SS_COMP ) &&
( srbGDEVBlock.SRB_DeviceType == DTYPE_CDROM ) ) {
_obj->i_sid = MAKEWORD( i, j );
_obj->hASPI = (long)hASPI;
_obj->lpSendCommand = lpSendCommand;
cdio_debug("using ASPI layer");
return true;
} else {
FreeLibrary( hASPI );
cdio_debug( "%c: is not a CD-ROM drive",
_obj->gen.source_name[0] );
return false;
}
}
}
}
FreeLibrary( hASPI );
cdio_debug( "unable to get haid and target (aspi)" );
}
return false;
}
/*!
Release and free resources associated with cd.
*/
static void
_cdio_win32_free (void *user_data)
{
_img_private_t *_obj = user_data;
if (NULL == _obj) return;
free (_obj->gen.source_name);
if( _obj->h_device_handle )
CloseHandle( _obj->h_device_handle );
if( _obj->hASPI )
FreeLibrary( (HMODULE)_obj->hASPI );
free (_obj);
}
/*!
Reads a single mode2 sector from cd device into data starting from lsn.
Returns 0 if no error.
*/
static int
_cdio_read_raw_sector (void *user_data, void *data, lsn_t lsn)
{
unsigned char buf[CDIO_CD_FRAMESIZE_RAW] = { 0, };
_img_private_t *_obj = user_data;
lba_t lba = cdio_lsn_to_lba(lsn);
if( _obj->hASPI ) {
HANDLE hEvent;
struct SRB_ExecSCSICmd ssc;
/* Create the transfer completion event */
hEvent = CreateEvent( NULL, TRUE, FALSE, NULL );
if( hEvent == NULL ) {
return 1;
}
memset( &ssc, 0, sizeof( ssc ) );
ssc.SRB_Cmd = SC_EXEC_SCSI_CMD;
ssc.SRB_Flags = SRB_DIR_IN | SRB_EVENT_NOTIFY;
ssc.SRB_HaId = LOBYTE( _obj->i_sid );
ssc.SRB_Target = HIBYTE( _obj->i_sid );
ssc.SRB_SenseLen = SENSE_LEN;
ssc.SRB_PostProc = (LPVOID) hEvent;
ssc.SRB_CDBLen = 12;
/* Operation code */
ssc.CDBByte[ 0 ] = READ_CD;
/* Start of LBA */
ssc.CDBByte[ 2 ] = ( lba >> 24 ) & 0xff;
ssc.CDBByte[ 3 ] = ( lba >> 16 ) & 0xff;
ssc.CDBByte[ 4 ] = ( lba >> 8 ) & 0xff;
ssc.CDBByte[ 5 ] = ( lba ) & 0xff;
/* Transfer length */
ssc.CDBByte[ 6 ] = 0;
ssc.CDBByte[ 7 ] = 0;
ssc.CDBByte[ 8 ] = 1;
/* Data selection */
ssc.CDBByte[ 9 ] = READ_CD_USERDATA_MODE2;
/* Result buffer */
ssc.SRB_BufPointer = buf;
ssc.SRB_BufLen = CDIO_CD_FRAMESIZE_RAW;
/* Initiate transfer */
ResetEvent( hEvent );
_obj->lpSendCommand( (void*) &ssc );
/* If the command has still not been processed, wait until it's
* finished */
if( ssc.SRB_Status == SS_PENDING ) {
WaitForSingleObject( hEvent, INFINITE );
}
CloseHandle( hEvent );
/* check that the transfer went as planned */
if( ssc.SRB_Status != SS_COMP ) {
return 1;
}
} else {
DWORD dwBytesReturned;
RAW_READ_INFO cdrom_raw;
/* Initialize CDROM_RAW_READ structure */
cdrom_raw.DiskOffset.QuadPart = CDIO_CD_FRAMESIZE * lba;
cdrom_raw.SectorCount = 1;
cdrom_raw.TrackMode = XAForm2;
if( DeviceIoControl( _obj->h_device_handle,
IOCTL_CDROM_RAW_READ, &cdrom_raw,
sizeof(RAW_READ_INFO), buf,
sizeof(buf), &dwBytesReturned, NULL )
== 0 ) {
return 1;
}
}
memcpy (data, buf, CDIO_CD_FRAMESIZE_RAW);
return 0;
}
/*!
Reads a single mode2 sector from cd device into data starting
from lsn. Returns 0 if no error.
*/
static int
_cdio_read_mode2_sector (void *user_data, void *data, lsn_t lsn,
bool mode2_form2)
{
char buf[M2RAW_SECTOR_SIZE] = { 0, };
_img_private_t *_obj = user_data;
int ret;
if (_obj->gen.ioctls_debugged == 75)
cdio_debug ("only displaying every 75th ioctl from now on");
if (_obj->gen.ioctls_debugged == 30 * 75)
cdio_debug ("only displaying every 30*75th ioctl from now on");
if (_obj->gen.ioctls_debugged < 75
|| (_obj->gen.ioctls_debugged < (30 * 75)
&& _obj->gen.ioctls_debugged % 75 == 0)
|| _obj->gen.ioctls_debugged % (30 * 75) == 0)
cdio_debug ("reading %d", lsn);
_obj->gen.ioctls_debugged++;
ret = _cdio_read_raw_sector(user_data, buf, lsn);
if( ret != 0 ) return ret;
if (mode2_form2)
memcpy (data, buf, M2RAW_SECTOR_SIZE);
else
memcpy (((char *)data), buf + CDIO_CD_SUBHEADER_SIZE, CDIO_CD_FRAMESIZE);
return 0;
}
/*!
Reads nblocks of mode2 sectors from cd device into data starting
from lsn.
Returns 0 if no error.
*/
static int
_cdio_read_mode2_sectors (void *user_data, void *data, lsn_t lsn,
bool mode2_form2, unsigned nblocks)
{
_img_private_t *_obj = user_data;
int i;
int retval;
for (i = 0; i < nblocks; i++) {
if (mode2_form2) {
if ( (retval = _cdio_read_mode2_sector (_obj,
((char *)data) + (M2RAW_SECTOR_SIZE * i),
lsn + i, true)) )
return retval;
} else {
char buf[M2RAW_SECTOR_SIZE] = { 0, };
if ( (retval = _cdio_read_mode2_sector (_obj, buf, lsn + i, true)) )
return retval;
memcpy (((char *)data) + (CDIO_CD_FRAMESIZE * i),
buf + CDIO_CD_SUBHEADER_SIZE, CDIO_CD_FRAMESIZE);
}
}
return 0;
}
/*!
Return the size of the CD in logical block address (LBA) units.
*/
static uint32_t
_cdio_stat_size (void *user_data)
{
/* _img_private_t *_obj = user_data; */
/* FIXME! */
return 65536;
}
/*!
Set the key "arg" to "value" in source device.
*/
static int
_cdio_set_arg (void *user_data, const char key[], const char value[])
{
_img_private_t *_obj = user_data;
if (!strcmp (key, "source"))
{
if (!value)
return -2;
free (_obj->gen.source_name);
_obj->gen.source_name = strdup (value);
}
else
return -1;
return 0;
}
/*!
Read and cache the CD's Track Table of Contents and track info.
Return true if successful or false if an error.
*/
static bool
_cdio_read_toc (_img_private_t *_obj)
{
if( _obj->hASPI ) {
HANDLE hEvent;
struct SRB_ExecSCSICmd ssc;
unsigned char p_tocheader[ 4 ];
/* Create the transfer completion event */
hEvent = CreateEvent( NULL, TRUE, FALSE, NULL );
if( hEvent == NULL ) {
return false;
}
memset( &ssc, 0, sizeof( ssc ) );
ssc.SRB_Cmd = SC_EXEC_SCSI_CMD;
ssc.SRB_Flags = SRB_DIR_IN | SRB_EVENT_NOTIFY;
ssc.SRB_HaId = LOBYTE( _obj->i_sid );
ssc.SRB_Target = HIBYTE( _obj->i_sid );
ssc.SRB_SenseLen = SENSE_LEN;
ssc.SRB_PostProc = (LPVOID) hEvent;
ssc.SRB_CDBLen = 10;
/* Operation code */
ssc.CDBByte[ 0 ] = READ_TOC;
/* Format */
ssc.CDBByte[ 2 ] = READ_TOC_FORMAT_TOC;
/* Starting track */
ssc.CDBByte[ 6 ] = 0;
/* Allocation length and buffer */
ssc.SRB_BufLen = sizeof( p_tocheader );
ssc.SRB_BufPointer = p_tocheader;
ssc.CDBByte[ 7 ] = ( ssc.SRB_BufLen >> 8 ) & 0xff;
ssc.CDBByte[ 8 ] = ( ssc.SRB_BufLen ) & 0xff;
/* Initiate transfer */
ResetEvent( hEvent );
_obj->lpSendCommand( (void*) &ssc );
/* If the command has still not been processed, wait until it's
* finished */
if( ssc.SRB_Status == SS_PENDING )
WaitForSingleObject( hEvent, INFINITE );
/* check that the transfer went as planned */
if( ssc.SRB_Status != SS_COMP ) {
CloseHandle( hEvent );
return false;
}
_obj->first_track_num = p_tocheader[2];
_obj->total_tracks = p_tocheader[3] - p_tocheader[2] + 1;
{
int i, i_toclength;
unsigned char *p_fulltoc;
i_toclength = 4 /* header */ + p_tocheader[0] +
((unsigned int)p_tocheader[1] << 8);
p_fulltoc = malloc( i_toclength );
if( p_fulltoc == NULL ) {
cdio_error( "out of memory" );
CloseHandle( hEvent );
return false;
}
/* Allocation length and buffer */
ssc.SRB_BufLen = i_toclength;
ssc.SRB_BufPointer = p_fulltoc;
ssc.CDBByte[ 7 ] = ( ssc.SRB_BufLen >> 8 ) & 0xff;
ssc.CDBByte[ 8 ] = ( ssc.SRB_BufLen ) & 0xff;
/* Initiate transfer */
ResetEvent( hEvent );
_obj->lpSendCommand( (void*) &ssc );
/* If the command has still not been processed, wait until it's
* finished */
if( ssc.SRB_Status == SS_PENDING )
WaitForSingleObject( hEvent, INFINITE );
/* check that the transfer went as planned */
if( ssc.SRB_Status != SS_COMP )
_obj->total_tracks = 0;
for( i = 0 ; i <= _obj->total_tracks ; i++ ) {
int i_index = 8 + 8 * i;
_obj->tocent[ i ].start_lba = ((int)p_fulltoc[ i_index ] << 24) +
((int)p_fulltoc[ i_index+1 ] << 16) +
((int)p_fulltoc[ i_index+2 ] << 8) +
(int)p_fulltoc[ i_index+3 ];
cdio_debug( "p_sectors: %i %i", i, _obj->tocent[i].start_lba );
}
free( p_fulltoc );
}
CloseHandle( hEvent );
return true;
} else {
DWORD dwBytesReturned;
CDROM_TOC cdrom_toc;
int i;
if( DeviceIoControl( _obj->h_device_handle,
IOCTL_CDROM_READ_TOC,
NULL, 0, &cdrom_toc, sizeof(CDROM_TOC),
&dwBytesReturned, NULL ) == 0 ) {
cdio_debug( "could not read TOCHDR" );
return false;
}
_obj->first_track_num = cdrom_toc.FirstTrack;
_obj->total_tracks = cdrom_toc.LastTrack - cdrom_toc.FirstTrack + 1;
for( i = 0 ; i <= _obj->total_tracks ; i++ ) {
_obj->tocent[ i ].start_lba = MSF_TO_LBA2(
cdrom_toc.TrackData[i].Address[1],
cdrom_toc.TrackData[i].Address[2],
cdrom_toc.TrackData[i].Address[3] );
cdio_debug("p_sectors: %i, %i", i, (_obj->tocent[i].start_lba));
}
}
return true;
}
/*!
Eject media. Return 1 if successful, 0 otherwise.
*/
static int
_cdio_eject_media (void *user_data) {
_img_private_t *_obj = user_data;
MCI_OPEN_PARMS op;
MCI_STATUS_PARMS st;
DWORD i_flags;
char psz_drive[4];
int ret;
memset( &op, 0, sizeof(MCI_OPEN_PARMS) );
op.lpstrDeviceType = (LPCSTR)MCI_DEVTYPE_CD_AUDIO;
strcpy( psz_drive, "X:" );
psz_drive[0] = _obj->gen.source_name[0];
op.lpstrElementName = psz_drive;
/* Set the flags for the device type */
i_flags = MCI_OPEN_TYPE | MCI_OPEN_TYPE_ID |
MCI_OPEN_ELEMENT | MCI_OPEN_SHAREABLE;
if( !mciSendCommand( 0, MCI_OPEN, i_flags, (unsigned long)&op ) ) {
st.dwItem = MCI_STATUS_READY;
/* Eject disc */
ret = mciSendCommand( op.wDeviceID, MCI_SET, MCI_SET_DOOR_OPEN, 0 ) != 0;
/* Release access to the device */
mciSendCommand( op.wDeviceID, MCI_CLOSE, MCI_WAIT, 0 );
} else
ret = 0;
return ret;
}
/*!
Return the value associated with the key "arg".
*/
static const char *
_cdio_get_arg (void *user_data, const char key[])
{
_img_private_t *_obj = user_data;
if (!strcmp (key, "source")) {
return _obj->gen.source_name;
} else if (!strcmp (key, "access-mode")) {
if ( WIN_NT )
return "winNT/2K/XP ioctl";
else if (_obj->hASPI)
return "ASPI";
else
return "undefined WIN32";
}
return NULL;
}
/*!
Return the number of of the first track.
CDIO_INVALID_TRACK is returned on error.
*/
static track_t
_cdio_get_first_track_num(void *user_data)
{
_img_private_t *_obj = user_data;
if (!_obj->toc_init) _cdio_read_toc (_obj) ;
return _obj->first_track_num;
}
/*!
Return the number of tracks in the current medium.
CDIO_INVALID_TRACK is returned on error.
*/
static track_t
_cdio_get_num_tracks(void *user_data)
{
_img_private_t *_obj = user_data;
if (!_obj->toc_init) _cdio_read_toc (_obj) ;
return _obj->total_tracks;
}
/*!
Get format of track.
*/
static track_format_t
_cdio_get_track_format(void *user_data, track_t track_num)
{
/* _img_private_t *_obj = user_data; */
/* FIXME! */
return TRACK_FORMAT_XA;
}
/*!
Return true if we have XA data (green, mode2 form1) or
XA data (green, mode2 form2). That is track begins:
sync - header - subheader
12 4 - 8
FIXME: there's gotta be a better design for this and get_track_format?
*/
static bool
_cdio_get_track_green(void *user_data, track_t track_num)
{
_img_private_t *_obj = user_data;
if (!_obj->toc_init) _cdio_read_toc (_obj) ;
if (track_num == CDIO_CDROM_LEADOUT_TRACK) track_num = _obj->total_tracks+1;
if (track_num > _obj->total_tracks+1 || track_num == 0)
return false;
/* FIXME! */
return true;
}
/*!
Return the starting MSF (minutes/secs/frames) for track number
track_num in obj. Track numbers start at 1.
The "leadout" track is specified either by
using track_num LEADOUT_TRACK or the total tracks+1.
False is returned if there is no track entry.
*/
static bool
_cdio_get_track_msf(void *user_data, track_t track_num, msf_t *msf)
{
_img_private_t *_obj = user_data;
if (NULL == msf) return false;
if (!_obj->toc_init) _cdio_read_toc (_obj) ;
if (track_num == CDIO_CDROM_LEADOUT_TRACK) track_num = _obj->total_tracks+1;
if (track_num > _obj->total_tracks+1 || track_num == 0) {
return false;
} else {
cdio_lba_to_msf(_obj->tocent[track_num-1].start_lba, msf);
return true;
}
}
#endif /* HAVE_WIN32_CDROM */
/*!
Return a string containing the default VCD device if none is specified.
*/
char *
cdio_get_default_device_win32()
{
/* FIXME: If WIN32, we should loop over device names until we get a
CD-ROM. */
return strdup(DEFAULT_CDIO_DEVICE);
}
/*!
Initialization routine. This is the only thing that doesn't
get called via a function pointer. In fact *we* are the
ones to set that up.
*/
CdIo *
cdio_open_win32 (const char *source_name)
{
#ifdef HAVE_WIN32_CDROM
CdIo *ret;
_img_private_t *_data;
cdio_funcs _funcs = {
.eject_media = _cdio_eject_media,
.free = _cdio_win32_free,
.get_arg = _cdio_get_arg,
.get_default_device = cdio_get_default_device_win32,
.get_first_track_num= _cdio_get_first_track_num,
.get_num_tracks = _cdio_get_num_tracks,
.get_track_format = _cdio_get_track_format,
.get_track_green = _cdio_get_track_green,
.get_track_lba = NULL, /* This could be implemented if need be. */
.get_track_msf = _cdio_get_track_msf,
.lseek = cdio_generic_lseek,
.read = cdio_generic_read,
.read_audio_sector = _cdio_read_raw_sector,
.read_mode2_sector = _cdio_read_mode2_sector,
.read_mode2_sectors = _cdio_read_mode2_sectors,
.set_arg = _cdio_set_arg,
.stat_size = _cdio_stat_size
};
_data = _cdio_malloc (sizeof (_img_private_t));
_data->gen.init = false;
_data->gen.fd = -1;
_cdio_set_arg(_data, "source", (NULL == source_name)
? DEFAULT_CDIO_DEVICE: source_name);
ret = cdio_new (_data, &_funcs);
if (ret == NULL) return NULL;
if (_cdio_win32_init(_data))
return ret;
else {
_cdio_win32_free (_data);
return NULL;
}
#else
return NULL;
#endif /* HAVE_WIN32_CDROM */
}
bool
cdio_have_win32 (void)
{
#ifdef HAVE_WIN32_CDROM
return true;
#else
return false;
#endif /* HAVE_WIN32_CDROM */
}
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