* cdrom.c: cdrom tools
*****************************************************************************
* Copyright (C) 1998-2001 VideoLAN
- * $Id: cdrom.c,v 1.10 2003/05/18 12:18:46 gbazin Exp $
+ * $Id: cdrom.c,v 1.11 2003/05/18 15:44:03 gbazin Exp $
*
* Authors: Johan Bilien <jobi@via.ecp.fr>
* Gildas Bazin <gbazin@netcourrier.com>
}
/****************************************************************************
- * ioctl_ReadSector: Read a sector (2352 bytes - i_start)
+ * ioctl_ReadSector: Read VCD or CDDA sectors
****************************************************************************/
-int ioctl_ReadSector( vlc_object_t *p_this, const vcddev_t *p_vcddev,
- int i_sector, byte_t * p_buffer, size_t i_start,
- size_t i_len )
+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[ VCD_SECTOR_SIZE ];
+ 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 )
{
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 )
+ 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 );
+ msg_Err( p_this, "Could not read sector %d", i_sector );
+ if( i_type == VCD_TYPE ) free( p_block );
return -1;
}
- /* We don't want to keep the header of the read sector */
- memcpy( p_buffer, p_block + i_start, i_len );
-
- return 0;
}
else
{
cd_read.sectorType = kCDSectorTypeUnknown;
cd_read.buffer = p_block;
- cd_read.bufferLength = sizeof(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;
}
hEvent = CreateEvent( NULL, TRUE, FALSE, NULL );
if( hEvent == NULL )
{
+ if( i_type == VCD_TYPE ) free( p_block );
return -1;
}
ssc.CDBByte[ 0 ] = READ_CD;
/* Sector type */
- ssc.CDBByte[ 1 ] = SECTOR_TYPE_MODE2_FORM2;
+ 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[ 5 ] = ( i_sector ) & 0xff;
/* Transfer length */
- ssc.CDBByte[ 6 ] = 0;
- ssc.CDBByte[ 7 ] = 0;
- ssc.CDBByte[ 8 ] = 1;
+ 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 ] = READ_CD_RAW_MODE2;
+ 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;
+ ssc.SRB_BufLen = VCD_SECTOR_SIZE * i_nb;
/* Initiate transfer */
ResetEvent( hEvent );
/* check that the transfer went as planned */
if( ssc.SRB_Status != SS_COMP )
{
+ if( i_type == VCD_TYPE ) free( p_block );
return -1;
}
}
/* Initialize CDROM_RAW_READ structure */
cdrom_raw.DiskOffset.QuadPart = CD_SECTOR_SIZE * i_sector;
- cdrom_raw.SectorCount = 1;
- cdrom_raw.TrackMode = XAForm2;
+ 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,
- sizeof(p_block), &dwBytesReturned, NULL )
- == 0 )
+ VCD_SECTOR_SIZE * i_nb, &dwBytesReturned,
+ NULL ) == 0 )
{
+ if( i_type == VCD_TYPE ) free( p_block );
return -1;
}
}
#elif defined( HAVE_SCSIREQ_IN_SYS_SCSIIO_H )
struct scsireq sc;
-
- int i_blocks = 1;
int i_ret;
memset( &sc, 0, sizeof(sc) );
sc.cmd[0] = 0xBE;
- sc.cmd[1] = SECTOR_TYPE_MODE2_FORM2;
+ 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_blocks >> 16) & 0xff;
- sc.cmd[7] = (i_blocks >> 8) & 0xff;
- sc.cmd[8] = (i_blocks >> 0) & 0xff;
- sc.cmd[9] = READ_CD_RAW_MODE2;
+ 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;
+ sc.datalen = VCD_SECTOR_SIZE * i_nb;
sc.senselen = sizeof( sc.sense );
sc.flags = SCCMD_READ;
sc.timeout = 10000;
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 %d\n",
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 );
}
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 ) == -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
- int i_dummy = i_sector + 2 * CD_FRAMES;
+ for( i = 0; i < i_nb; i++ )
+ {
+ int i_dummy = i_sector + i + 2 * CD_FRAMES;
-#define p_msf ((struct cdrom_msf0 *)p_block)
- 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;
+#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) == -1 )
- {
- msg_Err( p_this, "could not read block %i from disc", i_sector );
- return( -1 );
+ 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
+ }
- /* We don't want to keep the header of the read sector */
- memcpy( p_buffer, p_block + i_start, i_len );
-
- return( 0 );
+ /* 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 );
}
/****************************************************************************