claunia/libcdio-osx
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Add better DeviceIocontrol support. It still sucks, but sucks less.

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rocky
2004-02-04 10:23:01 +00:00
parent 8d24568ada
commit 8426256abb
4 changed files with 300 additions and 118 deletions
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140
lib/_cdio_win32.c
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@@ -1,5 +1,5 @@
/*
$Id: _cdio_win32.c,v 1.21 2004/02/02 03:55:19 rocky Exp $
$Id: _cdio_win32.c,v 1.22 2004/02/04 10:23:01 rocky Exp $
Copyright (C) 2003, 2004 Rocky Bernstein <rocky@panix.com>
@@ -26,13 +26,12 @@
# include "config.h"
#endif
static const char _rcsid[] = "$Id: _cdio_win32.c,v 1.21 2004/02/02 03:55:19 rocky Exp $";
static const char _rcsid[] = "$Id: _cdio_win32.c,v 1.22 2004/02/04 10:23:01 rocky Exp $";
#include <cdio/cdio.h>
#include <cdio/sector.h>
#include <cdio/util.h>
#include "cdio_assert.h"
#include "cdio_private.h"
#include "scsi_mmc.h"
/* LBA = msf.frame + 75 * ( msf.second - 2 + 60 * msf.minute ) */
@@ -51,6 +50,7 @@ static const char _rcsid[] = "$Id: _cdio_win32.c,v 1.21 2004/02/02 03:55:19 rock
#include <windows.h>
#include <winioctl.h>
#include "_cdio_win32.h"
#include <sys/stat.h>
#include <sys/types.h>
@@ -132,32 +132,6 @@ typedef struct __RAW_READ_INFO {
TRACK_MODE_TYPE TrackMode;
} RAW_READ_INFO, *PRAW_READ_INFO;
#pragma pack()
typedef struct {
lsn_t start_lsn;
UCHAR Control : 4;
UCHAR 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;
/* General ioctl() CD-ROM command function */
static bool
_cdio_mciSendCommand(int id, UINT msg, DWORD flags, void *arg)
@@ -174,43 +148,12 @@ _cdio_mciSendCommand(int id, UINT msg, DWORD flags, void *arg)
return(mci_error == 0);
}
static const char *
cdio_winnt_is_cdrom(const char drive_letter)
{
static char psz_win32_drive[7];
static char root_path_name[8];
_img_private_t obj;
/* Initializations */
obj.h_device_handle = NULL;
obj.i_sid = 0;
obj.hASPI = 0;
obj.lpSendCommand = 0;
sprintf( psz_win32_drive, "\\\\.\\%c:", drive_letter );
sprintf( root_path_name, "\\\\.\\%c:\\", drive_letter );
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 );
if (obj.h_device_handle != NULL
&& (DRIVE_CDROM == GetDriveType(root_path_name))) {
CloseHandle(obj.h_device_handle);
return strdup(psz_win32_drive);
} else {
CloseHandle(obj.h_device_handle);
return NULL;
}
}
static const char *
cdio_is_cdrom(const char drive_letter) {
static char psz_win32_drive[7];
if ( WIN_NT ) {
return cdio_winnt_is_cdrom(drive_letter);
return win32ioctl_is_cdrom(drive_letter);
} else {
HMODULE hASPI = NULL;
long (*lpGetSupport)( void ) = NULL;
@@ -335,22 +278,7 @@ _cdio_init_win32 (void *user_data)
_obj->lpSendCommand = 0;
if ( WIN_NT ) {
char psz_win32_drive[7];
unsigned int len=strlen(_obj->gen.source_name);
cdio_debug("using winNT/2K/XP ioctl layer");
if (cdio_is_device_win32(_obj->gen.source_name)) {
sprintf( psz_win32_drive, "\\\\.\\%c:", _obj->gen.source_name[len-2] );
_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
return false;
return win32ioctl_init_win32(_obj);
} else {
HMODULE hASPI = NULL;
long (*lpGetSupport)( void ) = NULL;
@@ -591,8 +519,13 @@ static int
_cdio_read_audio_sectors (void *user_data, void *data, lsn_t lsn,
unsigned int nblocks)
{
return _cdio_mmc_read_sectors( user_data, data, lsn,
CDIO_MMC_READ_TYPE_CDDA, nblocks );
_img_private_t *_obj = user_data;
if ( _obj->hASPI ) {
return _cdio_mmc_read_sectors( user_data, data, lsn,
CDIO_MMC_READ_TYPE_CDDA, nblocks );
} else {
return win32ioctl_read_audio_sectors( _obj, data, lsn, nblocks );
}
}
/*!
@@ -605,7 +538,6 @@ _cdio_read_mode2_sector (void *user_data, void *data, lsn_t lsn,
{
char buf[CDIO_CD_FRAMESIZE_RAW] = { 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");
@@ -622,44 +554,18 @@ _cdio_read_mode2_sector (void *user_data, void *data, lsn_t lsn,
_obj->gen.ioctls_debugged++;
if ( _obj->hASPI ) {
int ret;
ret = _cdio_mmc_read_sectors(user_data, buf, lsn,
CDIO_MMC_READ_TYPE_ANY, 1);
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;
} else {
DWORD dwBytesReturned;
RAW_READ_INFO cdrom_raw;
/* Initialize CDROM_RAW_READ structure */
cdrom_raw.DiskOffset.QuadPart = CDIO_CD_FRAMESIZE * lsn;
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 ) {
/* Retry in Yellowmode2 */
cdrom_raw.TrackMode = YellowMode2;
if( DeviceIoControl( _obj->h_device_handle,
IOCTL_CDROM_RAW_READ, &cdrom_raw,
sizeof(RAW_READ_INFO), buf,
sizeof(buf), &dwBytesReturned, NULL )
== 0 ) {
cdio_info("Error reading %lu (%ld)\n", lsn, GetLastError());
return 1;
}
}
ret = 0;
return win32ioctl_read_mode2_sector( _obj, data, lsn, mode2_form2 );
}
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;
}
/*!
@@ -923,10 +829,10 @@ _cdio_get_arg (void *user_data, const char key[])
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)
if (_obj->hASPI)
return "ASPI";
else if ( WIN_NT )
return "winNT/2K/XP ioctl";
else
return "undefined WIN32";
}