mirror of
https://code.videolan.org/videolan/vlc
synced 2024-10-03 01:31:53 +02:00
184 lines
5.1 KiB
C
184 lines
5.1 KiB
C
/*****************************************************************************
|
|
* eject.c: CD/DVD-ROM ejection handling functions
|
|
*****************************************************************************
|
|
* Copyright (C) 2001-2011 the VideoLAN team
|
|
*
|
|
* Authors: Julien Blache <jb@technologeek.org> for the Linux part
|
|
* with code taken from the Linux "eject" command
|
|
* Jon Lech Johansen <jon-vl@nanocrew.net> for Darwin
|
|
* Gildas Bazin <gbazin@netcourrier.com> for Win32
|
|
*
|
|
* 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
|
|
*****************************************************************************/
|
|
|
|
/**
|
|
* \file
|
|
* This file contain functions to eject CD and DVD drives
|
|
*/
|
|
|
|
/*#ifdef HAVE_CONFIG_H
|
|
# include "config.h"
|
|
#endif*/
|
|
|
|
#include <vlc_common.h>
|
|
#include <vlc_fs.h>
|
|
#include <vlc_charset.h>
|
|
|
|
#if defined( _WIN32 )
|
|
# include <mmsystem.h>
|
|
#elif defined(__linux__)
|
|
# include <sys/types.h>
|
|
# include <unistd.h>
|
|
# include <fcntl.h>
|
|
# include <sys/ioctl.h>
|
|
# include <sys/mount.h>
|
|
|
|
# include <linux/cdrom.h>
|
|
|
|
# include <scsi/scsi.h>
|
|
# include <scsi/sg.h>
|
|
# include <scsi/scsi_ioctl.h>
|
|
#elif defined (HAVE_DVD_H)
|
|
# include <unistd.h>
|
|
# include <fcntl.h>
|
|
# include <dvd.h>
|
|
#endif
|
|
|
|
#if defined(__linux__)
|
|
/**
|
|
* \brief Ejects the CD /DVD using SCSI commands
|
|
* \ingroup vlc_interface
|
|
* This function is local
|
|
* \param i_fd a device nummber
|
|
* \return 0 on success, VLC_EGENERIC on failure
|
|
*/
|
|
static int EjectSCSI( int i_fd )
|
|
{
|
|
struct sdata
|
|
{
|
|
int inlen;
|
|
int outlen;
|
|
char cmd[256];
|
|
} scsi_cmd;
|
|
|
|
scsi_cmd.inlen = 0;
|
|
scsi_cmd.outlen = 0;
|
|
scsi_cmd.cmd[0] = ALLOW_MEDIUM_REMOVAL;
|
|
scsi_cmd.cmd[1] = 0;
|
|
scsi_cmd.cmd[2] = 0;
|
|
scsi_cmd.cmd[3] = 0;
|
|
scsi_cmd.cmd[4] = 0;
|
|
scsi_cmd.cmd[5] = 0;
|
|
if( ioctl( i_fd, SCSI_IOCTL_SEND_COMMAND, (void *)&scsi_cmd ) < 0 )
|
|
return VLC_EGENERIC;
|
|
|
|
scsi_cmd.inlen = 0;
|
|
scsi_cmd.outlen = 0;
|
|
scsi_cmd.cmd[0] = START_STOP;
|
|
scsi_cmd.cmd[1] = 0;
|
|
scsi_cmd.cmd[2] = 0;
|
|
scsi_cmd.cmd[3] = 0;
|
|
scsi_cmd.cmd[4] = 1;
|
|
scsi_cmd.cmd[5] = 0;
|
|
if( ioctl( i_fd, SCSI_IOCTL_SEND_COMMAND, (void *)&scsi_cmd ) < 0 )
|
|
return VLC_EGENERIC;
|
|
|
|
scsi_cmd.inlen = 0;
|
|
scsi_cmd.outlen = 0;
|
|
scsi_cmd.cmd[0] = START_STOP;
|
|
scsi_cmd.cmd[1] = 0;
|
|
scsi_cmd.cmd[2] = 0;
|
|
scsi_cmd.cmd[3] = 0;
|
|
scsi_cmd.cmd[4] = 2;
|
|
scsi_cmd.cmd[5] = 0;
|
|
if( ioctl( i_fd, SCSI_IOCTL_SEND_COMMAND, (void *)&scsi_cmd ) < 0 )
|
|
return VLC_EGENERIC;
|
|
|
|
/* Force kernel to reread partition table when new disc inserted */
|
|
ioctl( i_fd, BLKRRPART );
|
|
return VLC_SUCCESS;
|
|
}
|
|
#endif
|
|
|
|
#undef intf_Eject
|
|
/**
|
|
* Ejects the optical disc in a device
|
|
* \param p_this the calling vlc_object_t
|
|
* \param psz_device the CD/DVD to eject
|
|
* \return VLC_SUCCESS or VLC_EGENERIC
|
|
*/
|
|
static int intf_Eject( vlc_object_t *p_this, const char *psz_device )
|
|
{
|
|
VLC_UNUSED(p_this);
|
|
|
|
#if defined(_WIN32)
|
|
MCI_OPEN_PARMS op;
|
|
DWORD i_flags;
|
|
WCHAR psz_drive[4];
|
|
|
|
memset( &op, 0, sizeof(MCI_OPEN_PARMS) );
|
|
op.lpstrDeviceType = (LPCTSTR)MCI_DEVTYPE_CD_AUDIO;
|
|
|
|
wcscpy( psz_drive, TEXT("X:") );
|
|
psz_drive[0] = psz_device[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, (uintptr_t)&op ) )
|
|
return VLC_EGENERIC;
|
|
|
|
/* Eject disc */
|
|
mciSendCommand( op.wDeviceID, MCI_SET, MCI_SET_DOOR_OPEN, 0 );
|
|
/* Release access to the device */
|
|
mciSendCommand( op.wDeviceID, MCI_CLOSE, MCI_WAIT, 0 );
|
|
|
|
return VLC_SUCCESS;
|
|
|
|
#elif defined (__linux__) || defined (HAVE_DVD_H)
|
|
/* This code could be extended to support CD/DVD-ROM chargers */
|
|
int fd = vlc_open( psz_device, O_RDONLY | O_NONBLOCK );
|
|
if( fd == -1 )
|
|
{
|
|
msg_Err( p_this, "could not open device %s", psz_device );
|
|
return VLC_EGENERIC;
|
|
}
|
|
|
|
# if defined(__linux__)
|
|
/* Try a simple ATAPI eject */
|
|
if( ioctl( fd, CDROMEJECT, 0 ) < 0
|
|
&& EjectSCSI( fd ) )
|
|
# else
|
|
if( ioctl( fd, CDROMEJECT, 0 ) < 0 )
|
|
# endif
|
|
{
|
|
msg_Err( p_this, "could not eject %s", psz_device );
|
|
vlc_close( fd );
|
|
return VLC_EGENERIC;
|
|
}
|
|
vlc_close( fd );
|
|
return VLC_SUCCESS;
|
|
|
|
#else
|
|
VLC_UNUSED( psz_device );
|
|
msg_Warn( p_this, "CD-Rom ejection unsupported on this platform" );
|
|
return VLC_EGENERIC;
|
|
#endif
|
|
}
|
|
|
|
#define intf_Eject(o, p) intf_Eject(VLC_OBJECT(o), p)
|