cdrom.c
上传用户:riyaled888
上传日期:2009-03-27
资源大小:7338k
文件大小:39k
- /****************************************************************************
- * cdrom.c: cdrom tools
- *****************************************************************************
- * Copyright (C) 1998-2001 VideoLAN
- * $Id: cdrom.c 6961 2004-03-05 17:34:23Z sam $
- *
- * Authors: Johan Bilien <jobi@via.ecp.fr>
- * Gildas Bazin <gbazin@netcourrier.com>
- * Jon Lech Johansen <jon-vl@nanocrew.net>
- *
- * 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, USA.
- *****************************************************************************/
- /*****************************************************************************
- * Preamble
- *****************************************************************************/
- #include <stdio.h>
- #include <stdlib.h>
- #include <vlc/vlc.h>
- #ifdef HAVE_UNISTD_H
- # include <unistd.h>
- #endif
- #include <fcntl.h>
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <string.h>
- #include <errno.h>
- #ifdef HAVE_SYS_IOCTL_H
- # include <sys/ioctl.h>
- #endif
- #if defined( SYS_BSDI )
- # include <dvd.h>
- #elif defined ( SYS_DARWIN )
- # include <CoreFoundation/CFBase.h>
- # include <IOKit/IOKitLib.h>
- # include <IOKit/storage/IOCDTypes.h>
- # include <IOKit/storage/IOCDMedia.h>
- # include <IOKit/storage/IOCDMediaBSDClient.h>
- #elif defined( HAVE_SCSIREQ_IN_SYS_SCSIIO_H )
- # include <sys/inttypes.h>
- # include <sys/cdio.h>
- # include <sys/scsiio.h>
- #elif defined( HAVE_IOC_TOC_HEADER_IN_SYS_CDIO_H )
- # include <sys/cdio.h>
- # include <sys/cdrio.h>
- #elif defined( WIN32 )
- # include <windows.h>
- # include <winioctl.h>
- #else
- # include <linux/cdrom.h>
- #endif
- #include "cdrom_internals.h"
- #include "cdrom.h"
- /*****************************************************************************
- * ioctl_Open: Opens a VCD device or file and returns an opaque handle
- *****************************************************************************/
- vcddev_t *ioctl_Open( vlc_object_t *p_this, const char *psz_dev )
- {
- int i_ret;
- int b_is_file;
- vcddev_t *p_vcddev;
- #ifndef WIN32
- struct stat fileinfo;
- #endif
- if( !psz_dev ) return NULL;
- /*
- * Initialize structure with default values
- */
- p_vcddev = (vcddev_t *)malloc( sizeof(vcddev_t) );
- if( p_vcddev == NULL )
- {
- msg_Err( p_this, "out of memory" );
- return NULL;
- }
- p_vcddev->i_vcdimage_handle = -1;
- p_vcddev->psz_dev = NULL;
- b_is_file = 1;
- /*
- * Check if we are dealing with a device or a file (vcd image)
- */
- #ifdef WIN32
- if( (strlen( psz_dev ) == 2 && psz_dev[1] == ':') )
- {
- b_is_file = 0;
- }
- #else
- if( stat( psz_dev, &fileinfo ) < 0 )
- {
- free( p_vcddev );
- return NULL;
- }
- /* Check if this is a block/char device */
- if( S_ISBLK( fileinfo.st_mode ) || S_ISCHR( fileinfo.st_mode ) )
- b_is_file = 0;
- #endif
- if( b_is_file )
- {
- i_ret = OpenVCDImage( p_this, psz_dev, p_vcddev );
- }
- else
- {
- /*
- * open the vcd device
- */
- #ifdef WIN32
- i_ret = win32_vcd_open( p_this, psz_dev, p_vcddev );
- #else
- p_vcddev->i_device_handle = -1;
- p_vcddev->i_device_handle = open( psz_dev, O_RDONLY | O_NONBLOCK );
- i_ret = (p_vcddev->i_device_handle == -1) ? -1 : 0;
- #endif
- }
- if( i_ret == 0 )
- {
- p_vcddev->psz_dev = (char *)strdup( psz_dev );
- }
- else
- {
- free( p_vcddev );
- p_vcddev = NULL;
- }
- return p_vcddev;
- }
- /*****************************************************************************
- * ioctl_Close: Closes an already opened VCD device or file.
- *****************************************************************************/
- void ioctl_Close( vlc_object_t * p_this, vcddev_t *p_vcddev )
- {
- if( p_vcddev->psz_dev ) free( p_vcddev->psz_dev );
- if( p_vcddev->i_vcdimage_handle != -1 )
- {
- /*
- * vcd image mode
- */
- CloseVCDImage( p_this, p_vcddev );
- return;
- }
- /*
- * vcd device mode
- */
- #ifdef WIN32
- if( p_vcddev->h_device_handle )
- CloseHandle( p_vcddev->h_device_handle );
- if( p_vcddev->hASPI )
- FreeLibrary( (HMODULE)p_vcddev->hASPI );
- #else
- if( p_vcddev->i_device_handle != -1 )
- close( p_vcddev->i_device_handle );
- #endif
- }
- /*****************************************************************************
- * ioctl_GetTracksMap: Read the Table of Content, fill in the pp_sectors map
- * if pp_sectors is not null and return the number of
- * tracks available.
- *****************************************************************************/
- int ioctl_GetTracksMap( vlc_object_t *p_this, const vcddev_t *p_vcddev,
- int **pp_sectors )
- {
- int i_tracks = 0;
- if( p_vcddev->i_vcdimage_handle != -1 )
- {
- /*
- * vcd image mode
- */
- i_tracks = p_vcddev->i_tracks;
- if( pp_sectors )
- {
- *pp_sectors = malloc( (i_tracks + 1) * sizeof(int) );
- if( *pp_sectors == NULL )
- {
- msg_Err( p_this, "out of memory" );
- return 0;
- }
- memcpy( *pp_sectors, p_vcddev->p_sectors,
- (i_tracks + 1) * sizeof(int) );
- }
- return i_tracks;
- }
- else
- {
- /*
- * vcd device mode
- */
- #if defined( SYS_DARWIN )
- CDTOC *pTOC;
- int i_descriptors;
- if( ( pTOC = darwin_getTOC( p_this, p_vcddev ) ) == NULL )
- {
- msg_Err( p_this, "failed to get the TOC" );
- return 0;
- }
- i_descriptors = darwin_getNumberOfDescriptors( pTOC );
- i_tracks = darwin_getNumberOfTracks( pTOC, i_descriptors );
- if( pp_sectors )
- {
- int i, i_leadout = -1;
- CDTOCDescriptor *pTrackDescriptors;
- u_char track;
- *pp_sectors = malloc( (i_tracks + 1) * sizeof(int) );
- if( *pp_sectors == NULL )
- {
- msg_Err( p_this, "out of memory" );
- darwin_freeTOC( pTOC );
- return 0;
- }
- pTrackDescriptors = pTOC->descriptors;
- for( i_tracks = 0, i = 0; i <= i_descriptors; i++ )
- {
- track = pTrackDescriptors[i].point;
- if( track == 0xA2 )
- i_leadout = i;
- if( track > CD_MAX_TRACK_NO || track < CD_MIN_TRACK_NO )
- continue;
- (*pp_sectors)[i_tracks++] =
- CDConvertMSFToLBA( pTrackDescriptors[i].p );
- }
- if( i_leadout == -1 )
- {
- msg_Err( p_this, "leadout not found" );
- free( *pp_sectors );
- darwin_freeTOC( pTOC );
- return 0;
- }
- /* set leadout sector */
- (*pp_sectors)[i_tracks] =
- CDConvertMSFToLBA( pTrackDescriptors[i_leadout].p );
- }
- darwin_freeTOC( pTOC );
- #elif defined( WIN32 )
- if( p_vcddev->hASPI )
- {
- HANDLE hEvent;
- struct SRB_ExecSCSICmd ssc;
- byte_t p_tocheader[ 4 ];
- /* 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( p_vcddev->i_sid );
- ssc.SRB_Target = HIBYTE( p_vcddev->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 );
- p_vcddev->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 0;
- }
- i_tracks = p_tocheader[3] - p_tocheader[2] + 1;
- if( pp_sectors )
- {
- int i, i_toclength;
- byte_t *p_fulltoc;
- i_toclength = 4 /* header */ + p_tocheader[0] +
- ((unsigned int)p_tocheader[1] << 8);
- p_fulltoc = malloc( i_toclength );
- *pp_sectors = malloc( (i_tracks + 1) * sizeof(int) );
- if( *pp_sectors == NULL || p_fulltoc == NULL )
- {
- if( *pp_sectors ) free( *pp_sectors );
- if( p_fulltoc ) free( p_fulltoc );
- msg_Err( p_this, "out of memory" );
- CloseHandle( hEvent );
- return 0;
- }
- /* 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 );
- p_vcddev->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 )
- i_tracks = 0;
- for( i = 0 ; i <= i_tracks ; i++ )
- {
- int i_index = 8 + 8 * i;
- (*pp_sectors)[ i ] = ((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 ];
- msg_Dbg( p_this, "p_sectors: %i, %i", i, (*pp_sectors)[i]);
- }
- free( p_fulltoc );
- }
- CloseHandle( hEvent );
- }
- else
- {
- DWORD dwBytesReturned;
- CDROM_TOC cdrom_toc;
- if( DeviceIoControl( p_vcddev->h_device_handle,
- IOCTL_CDROM_READ_TOC,
- NULL, 0, &cdrom_toc, sizeof(CDROM_TOC),
- &dwBytesReturned, NULL ) == 0 )
- {
- msg_Err( p_this, "could not read TOCHDR" );
- return 0;
- }
- i_tracks = cdrom_toc.LastTrack - cdrom_toc.FirstTrack + 1;
- if( pp_sectors )
- {
- int i;
- *pp_sectors = malloc( (i_tracks + 1) * sizeof(int) );
- if( *pp_sectors == NULL )
- {
- msg_Err( p_this, "out of memory" );
- return 0;
- }
- for( i = 0 ; i <= i_tracks ; i++ )
- {
- (*pp_sectors)[ i ] = MSF_TO_LBA2(
- cdrom_toc.TrackData[i].Address[1],
- cdrom_toc.TrackData[i].Address[2],
- cdrom_toc.TrackData[i].Address[3] );
- msg_Dbg( p_this, "p_sectors: %i, %i", i, (*pp_sectors)[i]);
- }
- }
- }
- #elif defined( HAVE_IOC_TOC_HEADER_IN_SYS_CDIO_H )
- || defined( HAVE_SCSIREQ_IN_SYS_SCSIIO_H )
- struct ioc_toc_header tochdr;
- struct ioc_read_toc_entry toc_entries;
- if( ioctl( p_vcddev->i_device_handle, CDIOREADTOCHEADER, &tochdr )
- == -1 )
- {
- msg_Err( p_this, "could not read TOCHDR" );
- return 0;
- }
- i_tracks = tochdr.ending_track - tochdr.starting_track + 1;
- if( pp_sectors )
- {
- int i;
- *pp_sectors = malloc( (i_tracks + 1) * sizeof(int) );
- if( *pp_sectors == NULL )
- {
- msg_Err( p_this, "out of memory" );
- return NULL;
- }
- toc_entries.address_format = CD_LBA_FORMAT;
- toc_entries.starting_track = 0;
- toc_entries.data_len = ( i_tracks + 1 ) *
- sizeof( struct cd_toc_entry );
- toc_entries.data = (struct cd_toc_entry *)
- malloc( toc_entries.data_len );
- if( toc_entries.data == NULL )
- {
- msg_Err( p_this, "out of memory" );
- free( *pp_sectors );
- return 0;
- }
- /* Read the TOC */
- if( ioctl( p_vcddev->i_device_handle, CDIOREADTOCENTRYS,
- &toc_entries ) == -1 )
- {
- msg_Err( p_this, "could not read the TOC" );
- free( *pp_sectors );
- free( toc_entries.data );
- return 0;
- }
- /* Fill the p_sectors structure with the track/sector matches */
- for( i = 0 ; i <= i_tracks ; i++ )
- {
- #if defined( HAVE_SCSIREQ_IN_SYS_SCSIIO_H )
- /* FIXME: is this ok? */
- (*pp_sectors)[ i ] = toc_entries.data[i].addr.lba;
- #else
- (*pp_sectors)[ i ] = ntohl( toc_entries.data[i].addr.lba );
- #endif
- }
- }
- #else
- struct cdrom_tochdr tochdr;
- struct cdrom_tocentry tocent;
- /* First we read the TOC header */
- if( ioctl( p_vcddev->i_device_handle, CDROMREADTOCHDR, &tochdr )
- == -1 )
- {
- msg_Err( p_this, "could not read TOCHDR" );
- return 0;
- }
- i_tracks = tochdr.cdth_trk1 - tochdr.cdth_trk0 + 1;
- if( pp_sectors )
- {
- int i;
- *pp_sectors = malloc( (i_tracks + 1) * sizeof(int) );
- if( *pp_sectors == NULL )
- {
- msg_Err( p_this, "out of memory" );
- return 0;
- }
- /* Fill the p_sectors structure with the track/sector matches */
- for( i = 0 ; i <= i_tracks ; i++ )
- {
- tocent.cdte_format = CDROM_LBA;
- tocent.cdte_track =
- ( i == i_tracks ) ? CDROM_LEADOUT : tochdr.cdth_trk0 + i;
- if( ioctl( p_vcddev->i_device_handle, CDROMREADTOCENTRY,
- &tocent ) == -1 )
- {
- msg_Err( p_this, "could not read TOCENTRY" );
- free( *pp_sectors );
- return 0;
- }
- (*pp_sectors)[ i ] = tocent.cdte_addr.lba;
- }
- }
- #endif
- return i_tracks;
- }
- }
- /****************************************************************************
- * ioctl_ReadSector: Read VCD or CDDA sectors
- ****************************************************************************/
- int ioctl_ReadSectors( vlc_object_t *p_this, const vcddev_t *p_vcddev,
- int i_sector, byte_t * p_buffer, int i_nb, int i_type )
- {
- byte_t *p_block;
- int i;
- if( i_type == VCD_TYPE ) p_block = malloc( VCD_SECTOR_SIZE * i_nb );
- else p_block = p_buffer;
- if( p_vcddev->i_vcdimage_handle != -1 )
- {
- /*
- * vcd image mode
- */
- if( lseek( p_vcddev->i_vcdimage_handle, i_sector * VCD_SECTOR_SIZE,
- SEEK_SET ) == -1 )
- {
- msg_Err( p_this, "Could not lseek to sector %d", i_sector );
- if( i_type == VCD_TYPE ) free( p_block );
- return -1;
- }
- if( read( p_vcddev->i_vcdimage_handle, p_block, VCD_SECTOR_SIZE * i_nb)
- == -1 )
- {
- msg_Err( p_this, "Could not read sector %d", i_sector );
- if( i_type == VCD_TYPE ) free( p_block );
- return -1;
- }
- }
- else
- {
- /*
- * vcd device mode
- */
- #if defined( SYS_DARWIN )
- dk_cd_read_t cd_read;
- memset( &cd_read, 0, sizeof(cd_read) );
- cd_read.offset = i_sector * VCD_SECTOR_SIZE;
- cd_read.sectorArea = kCDSectorAreaSync | kCDSectorAreaHeader |
- kCDSectorAreaSubHeader | kCDSectorAreaUser |
- kCDSectorAreaAuxiliary;
- cd_read.sectorType = kCDSectorTypeUnknown;
- cd_read.buffer = p_block;
- cd_read.bufferLength = VCD_SECTOR_SIZE * i_nb;
- if( ioctl( p_vcddev->i_device_handle, DKIOCCDREAD, &cd_read ) == -1 )
- {
- msg_Err( p_this, "could not read block %d", i_sector );
- if( i_type == VCD_TYPE ) free( p_block );
- return -1;
- }
- #elif defined( WIN32 )
- if( p_vcddev->hASPI )
- {
- HANDLE hEvent;
- struct SRB_ExecSCSICmd ssc;
- /* Create the transfer completion event */
- hEvent = CreateEvent( NULL, TRUE, FALSE, NULL );
- if( hEvent == NULL )
- {
- if( i_type == VCD_TYPE ) free( p_block );
- 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( p_vcddev->i_sid );
- ssc.SRB_Target = HIBYTE( p_vcddev->i_sid );
- ssc.SRB_SenseLen = SENSE_LEN;
- ssc.SRB_PostProc = (LPVOID) hEvent;
- ssc.SRB_CDBLen = 12;
- /* Operation code */
- ssc.CDBByte[ 0 ] = READ_CD;
- /* Sector type */
- ssc.CDBByte[ 1 ] = i_type == VCD_TYPE ? SECTOR_TYPE_MODE2_FORM2 :
- SECTOR_TYPE_CDDA;
- /* Start of LBA */
- ssc.CDBByte[ 2 ] = ( i_sector >> 24 ) & 0xff;
- ssc.CDBByte[ 3 ] = ( i_sector >> 16 ) & 0xff;
- ssc.CDBByte[ 4 ] = ( i_sector >> 8 ) & 0xff;
- ssc.CDBByte[ 5 ] = ( i_sector ) & 0xff;
- /* Transfer length */
- ssc.CDBByte[ 6 ] = ( i_nb >> 16 ) & 0xff;
- ssc.CDBByte[ 7 ] = ( i_nb >> 8 ) & 0xff;
- ssc.CDBByte[ 8 ] = ( i_nb ) & 0xff;
- /* Data selection */
- ssc.CDBByte[ 9 ] = i_type == VCD_TYPE ? READ_CD_RAW_MODE2 :
- READ_CD_USERDATA;
- /* Result buffer */
- ssc.SRB_BufPointer = p_block;
- ssc.SRB_BufLen = VCD_SECTOR_SIZE * i_nb;
- /* Initiate transfer */
- ResetEvent( hEvent );
- p_vcddev->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 )
- {
- if( i_type == VCD_TYPE ) free( p_block );
- return -1;
- }
- }
- else
- {
- DWORD dwBytesReturned;
- RAW_READ_INFO cdrom_raw;
- /* Initialize CDROM_RAW_READ structure */
- cdrom_raw.DiskOffset.QuadPart = CD_SECTOR_SIZE * i_sector;
- cdrom_raw.SectorCount = i_nb;
- cdrom_raw.TrackMode = i_type == VCD_TYPE ? XAForm2 : CDDA;
- if( DeviceIoControl( p_vcddev->h_device_handle,
- IOCTL_CDROM_RAW_READ, &cdrom_raw,
- sizeof(RAW_READ_INFO), p_block,
- VCD_SECTOR_SIZE * i_nb, &dwBytesReturned,
- NULL ) == 0 )
- {
- if( i_type == VCD_TYPE )
- {
- /* Retry in YellowMode2 */
- cdrom_raw.TrackMode = YellowMode2;
- if( DeviceIoControl( p_vcddev->h_device_handle,
- IOCTL_CDROM_RAW_READ, &cdrom_raw,
- sizeof(RAW_READ_INFO), p_block,
- VCD_SECTOR_SIZE * i_nb, &dwBytesReturned,
- NULL ) == 0 )
- {
- free( p_block );
- return -1;
- }
- }
- else return -1;
- }
- }
- #elif defined( HAVE_SCSIREQ_IN_SYS_SCSIIO_H )
- struct scsireq sc;
- int i_ret;
- memset( &sc, 0, sizeof(sc) );
- sc.cmd[0] = 0xBE;
- sc.cmd[1] = i_type == VCD_TYPE ? SECTOR_TYPE_MODE2_FORM2:
- SECTOR_TYPE_CDDA;
- sc.cmd[2] = (i_sector >> 24) & 0xff;
- sc.cmd[3] = (i_sector >> 16) & 0xff;
- sc.cmd[4] = (i_sector >> 8) & 0xff;
- sc.cmd[5] = (i_sector >> 0) & 0xff;
- sc.cmd[6] = (i_nb >> 16) & 0xff;
- sc.cmd[7] = (i_nb >> 8) & 0xff;
- sc.cmd[8] = (i_nb ) & 0xff;
- sc.cmd[9] = i_type == VCD_TYPE ? READ_CD_RAW_MODE2 : READ_CD_USERDATA;
- sc.cmd[10] = 0; /* sub channel */
- sc.cmdlen = 12;
- sc.databuf = (caddr_t)p_block;
- sc.datalen = VCD_SECTOR_SIZE * i_nb;
- sc.senselen = sizeof( sc.sense );
- sc.flags = SCCMD_READ;
- sc.timeout = 10000;
- i_ret = ioctl( i_fd, SCIOCCOMMAND, &sc );
- if( i_ret == -1 )
- {
- msg_Err( p_this, "SCIOCCOMMAND failed" );
- if( i_type == VCD_TYPE ) free( p_block );
- return -1;
- }
- if( sc.retsts || sc.error )
- {
- msg_Err( p_this, "SCSI command failed: status %d error %dn",
- sc.retsts, sc.error );
- if( i_type == VCD_TYPE ) free( p_block );
- return -1;
- }
- #elif defined( HAVE_IOC_TOC_HEADER_IN_SYS_CDIO_H )
- int i_size = VCD_SECTOR_SIZE;
- if( ioctl( p_vcddev->i_device_handle, CDRIOCSETBLOCKSIZE, &i_size )
- == -1 )
- {
- msg_Err( p_this, "Could not set block size" );
- if( i_type == VCD_TYPE ) free( p_block );
- return( -1 );
- }
- if( lseek( p_vcddev->i_device_handle,
- i_sector * VCD_SECTOR_SIZE, SEEK_SET ) == -1 )
- {
- msg_Err( p_this, "Could not lseek to sector %d", i_sector );
- if( i_type == VCD_TYPE ) free( p_block );
- return( -1 );
- }
- if( read( p_vcddev->i_device_handle,
- p_block, VCD_SECTOR_SIZE * i_nb ) == -1 )
- {
- msg_Err( p_this, "Could not read sector %d", i_sector );
- if( i_type == VCD_TYPE ) free( p_block );
- return( -1 );
- }
- #else
- for( i = 0; i < i_nb; i++ )
- {
- int i_dummy = i_sector + i + 2 * CD_FRAMES;
- #define p_msf ((struct cdrom_msf0 *)(p_block + i * VCD_SECTOR_SIZE))
- p_msf->minute = i_dummy / (CD_FRAMES * CD_SECS);
- p_msf->second = ( i_dummy % (CD_FRAMES * CD_SECS) ) / CD_FRAMES;
- p_msf->frame = ( i_dummy % (CD_FRAMES * CD_SECS) ) % CD_FRAMES;
- #undef p_msf
- if( ioctl( p_vcddev->i_device_handle, CDROMREADRAW,
- p_block + i * VCD_SECTOR_SIZE ) == -1 )
- {
- msg_Err( p_this, "could not read block %i from disc",
- i_sector );
- if( i == 0 )
- {
- if( i_type == VCD_TYPE ) free( p_block );
- return( -1 );
- }
- else break;
- }
- }
- #endif
- }
- /* For VCDs, we don't want to keep the header and footer of the
- * sectors read */
- if( i_type == VCD_TYPE )
- {
- for( i = 0; i < i_nb; i++ )
- {
- memcpy( p_buffer + i * VCD_DATA_SIZE,
- p_block + i * VCD_SECTOR_SIZE + VCD_DATA_START,
- VCD_DATA_SIZE );
- }
- free( p_block );
- }
- return( 0 );
- }
- /****************************************************************************
- * Private functions
- ****************************************************************************/
- /****************************************************************************
- * OpenVCDImage: try to open a vcd image from a .cue file
- ****************************************************************************/
- static int OpenVCDImage( vlc_object_t * p_this, const char *psz_dev,
- vcddev_t *p_vcddev )
- {
- int i_ret = -1;
- char *p_pos;
- char *psz_vcdfile = NULL;
- char *psz_cuefile = NULL;
- FILE *cuefile;
- char line[1024];
- /* Check if we are dealing with a .cue file */
- p_pos = strrchr( psz_dev, '.' );
- if( p_pos && !strcmp( p_pos, ".cue" ) )
- {
- psz_cuefile = strdup( psz_dev );
- }
- else
- {
- /* psz_dev must be the actual vcd file. Let's assume there's a .cue
- * file with the same filename */
- if( p_pos )
- {
- psz_cuefile = malloc( p_pos - psz_dev + 5 /* ".cue" */ );
- strncpy( psz_cuefile, psz_dev, p_pos - psz_dev );
- strcpy( psz_cuefile + (p_pos - psz_dev), ".cue");
- }
- else
- {
- psz_cuefile = malloc( strlen(psz_dev) + 5 /* ".cue" */ );
- sprintf( psz_cuefile, "%s.cue", psz_dev );
- }
- }
- /* Open the cue file and try to parse it */
- msg_Dbg( p_this,"trying .cue file: %s", psz_cuefile );
- cuefile = fopen( psz_cuefile, "rt" );
- if( cuefile && fscanf( cuefile, "FILE %c", line ) &&
- fgets( line, 1024, cuefile ) )
- {
- p_pos = strchr( line, '"' );
- if( p_pos )
- {
- *p_pos = 0;
- /* Take care of path standardization */
- if( *line != '/' && ((p_pos = strrchr( psz_cuefile, '/' ))
- || (p_pos = strrchr( psz_cuefile, '\' ) )) )
- {
- psz_vcdfile = malloc( strlen(line) +
- (p_pos - psz_cuefile + 1) + 1 );
- strncpy( psz_vcdfile, psz_cuefile, (p_pos - psz_cuefile + 1) );
- strcpy( psz_vcdfile + (p_pos - psz_cuefile + 1), line );
- }
- else psz_vcdfile = strdup( line );
- }
- }
- if( psz_vcdfile )
- {
- msg_Dbg( p_this,"using vcd image file: %s", psz_vcdfile );
- p_vcddev->i_vcdimage_handle = open( psz_vcdfile,
- O_RDONLY | O_NONBLOCK | O_BINARY );
- i_ret = (p_vcddev->i_vcdimage_handle == -1) ? -1 : 0;
- }
- /* Try to parse the i_tracks and p_sectors info so we can just forget
- * about the cuefile */
- if( i_ret == 0 )
- {
- int p_sectors[100];
- int i_tracks = 0;
- int i_num;
- char psz_dummy[10];
- while( fgets( line, 1024, cuefile ) )
- {
- /* look for a TRACK line */
- if( !sscanf( line, "%9s", psz_dummy ) ||
- strcmp(psz_dummy, "TRACK") )
- continue;
- /* look for an INDEX line */
- while( fgets( line, 1024, cuefile ) )
- {
- int i_min, i_sec, i_frame;
- if( (sscanf( line, "%9s %2u %2u:%2u:%2u", psz_dummy, &i_num,
- &i_min, &i_sec, &i_frame ) != 5) || (i_num != 1) )
- continue;
- i_tracks++;
- p_sectors[i_tracks - 1] = MSF_TO_LBA(i_min, i_sec, i_frame);
- msg_Dbg( p_this, "vcd track %i begins at sector:%i",
- i_tracks - 1, p_sectors[i_tracks - 1] );
- break;
- }
- }
- /* fill in the last entry */
- p_sectors[i_tracks] = lseek(p_vcddev->i_vcdimage_handle, 0, SEEK_END)
- / VCD_SECTOR_SIZE;
- msg_Dbg( p_this, "vcd track %i, begins at sector:%i",
- i_tracks, p_sectors[i_tracks] );
- p_vcddev->i_tracks = i_tracks;
- p_vcddev->p_sectors = malloc( (i_tracks + 1) * sizeof(int) );
- memcpy( p_vcddev->p_sectors, p_sectors, (i_tracks + 1) * sizeof(int) );
- }
- if( cuefile ) fclose( cuefile );
- if( psz_cuefile ) free( psz_cuefile );
- if( psz_vcdfile ) free( psz_vcdfile );
- return i_ret;
- }
- /****************************************************************************
- * CloseVCDImage: closes a vcd image opened by OpenVCDImage
- ****************************************************************************/
- static void CloseVCDImage( vlc_object_t * p_this, vcddev_t *p_vcddev )
- {
- if( p_vcddev->i_vcdimage_handle != -1 )
- close( p_vcddev->i_vcdimage_handle );
- else
- return;
- if( p_vcddev->p_sectors )
- free( p_vcddev->p_sectors );
- }
- #if defined( SYS_DARWIN )
- /****************************************************************************
- * darwin_getTOC: get the TOC
- ****************************************************************************/
- static CDTOC *darwin_getTOC( vlc_object_t * p_this, const vcddev_t *p_vcddev )
- {
- mach_port_t port;
- char *psz_devname;
- kern_return_t ret;
- CDTOC *pTOC = NULL;
- io_iterator_t iterator;
- io_registry_entry_t service;
- CFMutableDictionaryRef properties;
- CFDataRef data;
- /* get the device name */
- if( ( psz_devname = strrchr( p_vcddev->psz_dev, '/') ) != NULL )
- ++psz_devname;
- else
- psz_devname = p_vcddev->psz_dev;
- /* unraw the device name */
- if( *psz_devname == 'r' )
- ++psz_devname;
- /* get port for IOKit communication */
- if( ( ret = IOMasterPort( MACH_PORT_NULL, &port ) ) != KERN_SUCCESS )
- {
- msg_Err( p_this, "IOMasterPort: 0x%08x", ret );
- return( NULL );
- }
- /* get service iterator for the device */
- if( ( ret = IOServiceGetMatchingServices(
- port, IOBSDNameMatching( port, 0, psz_devname ),
- &iterator ) ) != KERN_SUCCESS )
- {
- msg_Err( p_this, "IOServiceGetMatchingServices: 0x%08x", ret );
- return( NULL );
- }
- /* first service */
- service = IOIteratorNext( iterator );
- IOObjectRelease( iterator );
- /* search for kIOCDMediaClass */
- while( service && !IOObjectConformsTo( service, kIOCDMediaClass ) )
- {
- if( ( ret = IORegistryEntryGetParentIterator( service,
- kIOServicePlane, &iterator ) ) != KERN_SUCCESS )
- {
- msg_Err( p_this, "IORegistryEntryGetParentIterator: 0x%08x", ret );
- IOObjectRelease( service );
- return( NULL );
- }
- IOObjectRelease( service );
- service = IOIteratorNext( iterator );
- IOObjectRelease( iterator );
- }
- if( service == NULL )
- {
- msg_Err( p_this, "search for kIOCDMediaClass came up empty" );
- return( NULL );
- }
- /* create a CF dictionary containing the TOC */
- if( ( ret = IORegistryEntryCreateCFProperties( service, &properties,
- kCFAllocatorDefault, kNilOptions ) ) != KERN_SUCCESS )
- {
- msg_Err( p_this, "IORegistryEntryCreateCFProperties: 0x%08x", ret );
- IOObjectRelease( service );
- return( NULL );
- }
- /* get the TOC from the dictionary */
- if( ( data = (CFDataRef) CFDictionaryGetValue( properties,
- CFSTR(kIOCDMediaTOCKey) ) ) != NULL )
- {
- CFRange range;
- CFIndex buf_len;
- buf_len = CFDataGetLength( data ) + 1;
- range = CFRangeMake( 0, buf_len );
- if( ( pTOC = (CDTOC *)malloc( buf_len ) ) != NULL )
- {
- CFDataGetBytes( data, range, (u_char *)pTOC );
- }
- }
- else
- {
- msg_Err( p_this, "CFDictionaryGetValue failed" );
- }
- CFRelease( properties );
- IOObjectRelease( service );
- return( pTOC );
- }
- /****************************************************************************
- * darwin_getNumberOfDescriptors: get number of descriptors in TOC
- ****************************************************************************/
- static int darwin_getNumberOfDescriptors( CDTOC *pTOC )
- {
- int i_descriptors;
- /* get TOC length */
- i_descriptors = pTOC->length;
- /* remove the first and last session */
- i_descriptors -= ( sizeof(pTOC->sessionFirst) +
- sizeof(pTOC->sessionLast) );
- /* divide the length by the size of a single descriptor */
- i_descriptors /= sizeof(CDTOCDescriptor);
- return( i_descriptors );
- }
- /****************************************************************************
- * darwin_getNumberOfTracks: get number of tracks in TOC
- ****************************************************************************/
- static int darwin_getNumberOfTracks( CDTOC *pTOC, int i_descriptors )
- {
- u_char track;
- int i, i_tracks = 0;
- CDTOCDescriptor *pTrackDescriptors;
- pTrackDescriptors = pTOC->descriptors;
- for( i = i_descriptors; i >= 0; i-- )
- {
- track = pTrackDescriptors[i].point;
- if( track > CD_MAX_TRACK_NO || track < CD_MIN_TRACK_NO )
- continue;
- i_tracks++;
- }
- return( i_tracks );
- }
- #endif /* SYS_DARWIN */
- #if defined( WIN32 )
- /*****************************************************************************
- * win32_vcd_open: open vcd drive
- *****************************************************************************
- * Load and use aspi if it is available, otherwise use IOCTLs on WinNT/2K/XP.
- *****************************************************************************/
- static int win32_vcd_open( vlc_object_t * p_this, const char *psz_dev,
- vcddev_t *p_vcddev )
- {
- /* Initializations */
- p_vcddev->h_device_handle = NULL;
- p_vcddev->i_sid = 0;
- p_vcddev->hASPI = 0;
- p_vcddev->lpSendCommand = 0;
- if( WIN_NT )
- {
- char psz_win32_drive[7];
- msg_Dbg( p_this, "using winNT/2K/XP ioctl layer" );
- sprintf( psz_win32_drive, "\\.\%c:", psz_dev[0] );
- p_vcddev->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 (p_vcddev->h_device_handle == NULL) ? -1 : 0;
- }
- else
- {
- HMODULE hASPI = NULL;
- long (*lpGetSupport)( void ) = NULL;
- long (*lpSendCommand)( void* ) = NULL;
- DWORD dwSupportInfo;
- int i, j, i_hostadapters;
- char c_drive = psz_dev[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 )
- {
- msg_Dbg( p_this,
- "unable to load aspi or get aspi function pointers" );
- if( hASPI ) FreeLibrary( hASPI );
- return -1;
- }
- /* ASPI support seems to be there */
- dwSupportInfo = lpGetSupport();
- if( HIBYTE( LOWORD ( dwSupportInfo ) ) == SS_NO_ADAPTERS )
- {
- msg_Dbg( p_this, "no host adapters found (aspi)" );
- FreeLibrary( hASPI );
- return -1;
- }
- if( HIBYTE( LOWORD ( dwSupportInfo ) ) != SS_COMP )
- {
- msg_Dbg( p_this, "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 ) )
- {
- p_vcddev->i_sid = MAKEWORD( i, j );
- p_vcddev->hASPI = (long)hASPI;
- p_vcddev->lpSendCommand = lpSendCommand;
- msg_Dbg( p_this, "using aspi layer" );
- return 0;
- }
- else
- {
- FreeLibrary( hASPI );
- msg_Dbg( p_this, "%c: is not a cdrom drive",
- psz_dev[0] );
- return -1;
- }
- }
- }
- }
- FreeLibrary( hASPI );
- msg_Dbg( p_this, "unable to get haid and target (aspi)" );
- }
- return -1;
- }
- #endif /* WIN32 */