claunia/libcdio-osx
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More work on removing assumption that first_track is 1.

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rocky
2004-06-06 10:50:55 +00:00
parent 0399e24c61
commit 0bb7fadf26
3 changed files with 92 additions and 101 deletions
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154
lib/_cdio_osx.c
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@@ -1,5 +1,5 @@
/*
$Id: _cdio_osx.c,v 1.30 2004/06/02 07:40:13 rocky Exp $
$Id: _cdio_osx.c,v 1.31 2004/06/06 10:50:55 rocky Exp $
Copyright (C) 2003, 2004 Rocky Bernstein <rocky@panix.com>
from vcdimager code:
@@ -33,7 +33,7 @@
#include "config.h"
#endif
static const char _rcsid[] = "$Id: _cdio_osx.c,v 1.30 2004/06/02 07:40:13 rocky Exp $";
static const char _rcsid[] = "$Id: _cdio_osx.c,v 1.31 2004/06/06 10:50:55 rocky Exp $";
#include <cdio/sector.h>
#include <cdio/util.h>
@@ -67,10 +67,10 @@ static const char _rcsid[] = "$Id: _cdio_osx.c,v 1.30 2004/06/02 07:40:13 rocky
#include <IOKit/storage/IOCDMediaBSDClient.h>
#include <IOKit/storage/IODVDMediaBSDClient.h>
#define TOTAL_TRACKS (env->i_last_track - env->i_first_track)
#define TOTAL_TRACKS (env->num_tracks-1)
#define CDROM_CDI_TRACK 0x1
#define CDROM_XA_TRACK 0x2
#define CDROM_XA_TRACK 0x2
typedef enum {
_AM_NONE,
@@ -85,10 +85,11 @@ typedef struct {
access_mode_t access_mode;
/* Track information */
bool toc_init; /* if true, info below is valid. */
bool toc_init; /* if true, info below is valid. */
CDTOC *pTOC;
int i_descriptors;
track_t num_tracks;
track_t i_tracks; /* number of tracks */
track_t i_first_track; /* first track */
lsn_t *pp_lba;
} _img_private_t;
@@ -107,9 +108,9 @@ _free_osx (void *user_data) {
This is an internal routine and is called once per CD open.
****************************************************************************/
static track_t
_cdio_getNumberOfTracks( CDTOC *pTOC, int i_descriptors )
getNumberOfTracks_osx( CDTOC *pTOC, int i_descriptors )
{
track_t track = CDIO_INVALID_TRACK;
track_t i_track = CDIO_INVALID_TRACK;
int i;
int i_tracks = 0;
CDTOCDescriptor *pTrackDescriptors;
@@ -118,9 +119,9 @@ _cdio_getNumberOfTracks( CDTOC *pTOC, int i_descriptors )
for( i = i_descriptors; i >= 0; i-- )
{
track = pTrackDescriptors[i].point;
i_track = pTrackDescriptors[i].point;
if( track > CDIO_CD_MAX_TRACKS || track < CDIO_CD_MIN_TRACK_NO )
if( i_track > CDIO_CD_MAX_TRACKS || i_track < CDIO_CD_MIN_TRACK_NO )
continue;
i_tracks++;
@@ -129,6 +130,30 @@ _cdio_getNumberOfTracks( CDTOC *pTOC, int i_descriptors )
return( i_tracks );
}
/*!
Return the number of the first track.
CDIO_INVALID_TRACK is returned on error.
*/
static track_t
getFirstTrack_osx( CDTOC *pTOC, int i_descriptors )
{
track_t i_track = CDIO_INVALID_TRACK;
int i;
CDTOCDescriptor *pTrackDescriptors;
pTrackDescriptors = pTOC->descriptors;
for( i = 0; i < i_descriptors; i++ )
{
i_track = pTrackDescriptors[i].point;
if( i_track > CDIO_CD_MAX_TRACKS || i_track < CDIO_CD_MIN_TRACK_NO )
continue;
return ( i_track );
}
return CDIO_INVALID_TRACK;
}
/*!
Reads nblocks of mode2 form2 sectors from cd device into data starting
from lsn.
@@ -136,7 +161,7 @@ _cdio_getNumberOfTracks( CDTOC *pTOC, int i_descriptors )
*/
static int
_get_read_mode1_sectors_osx (void *user_data, void *data, lsn_t lsn,
bool b_form2, unsigned int nblocks)
bool b_form2, unsigned int nblocks)
{
_img_private_t *env = user_data;
dk_cd_read_t cd_read;
@@ -171,7 +196,7 @@ _get_read_mode1_sectors_osx (void *user_data, void *data, lsn_t lsn,
*/
static int
_get_read_mode2_sectors_osx (void *user_data, void *data, lsn_t lsn,
bool b_form2, unsigned int nblocks)
bool b_form2, unsigned int nblocks)
{
_img_private_t *env = user_data;
dk_cd_read_t cd_read;
@@ -206,7 +231,7 @@ _get_read_mode2_sectors_osx (void *user_data, void *data, lsn_t lsn,
*/
static int
_get_read_audio_sectors_osx (void *user_data, void *data, lsn_t lsn,
unsigned int nblocks)
unsigned int nblocks)
{
_img_private_t *env = user_data;
dk_cd_read_t cd_read;
@@ -394,16 +419,18 @@ _cdio_read_toc (_img_private_t *env)
IOObjectRelease( service );
env->i_descriptors = CDTOCGetDescriptorCount ( env->pTOC );
env->num_tracks = _cdio_getNumberOfTracks(env->pTOC, env->i_descriptors);
env->i_first_track = getFirstTrack_osx(env->pTOC, env->i_descriptors);
env->i_last_track = env->i_first_track +
getNumberOfTracks_osx(env->pTOC, env->i_descriptors);
/* Read in starting sectors */
{
int i, i_leadout = -1;
CDTOCDescriptor *pTrackDescriptors;
track_t track;
track_t i_track;
int i_tracks;
env->pp_lba = malloc( (env->num_tracks + 1) * sizeof(int) );
env->pp_lba = malloc( TOTAL_TRACKS * sizeof(int) );
if( env->pp_lba == NULL )
{
cdio_error("Out of memory in allocating track starting LSNs" );
@@ -415,13 +442,13 @@ _cdio_read_toc (_img_private_t *env)
for( i_tracks = 0, i = 0; i <= env->i_descriptors; i++ )
{
track = pTrackDescriptors[i].point;
i_track = pTrackDescriptors[i].point;
if( track == 0xA2 )
if( i_track == 0xA2 )
/* Note leadout should be 0xAA, But OSX seems to use 0xA2. */
i_leadout = i;
if( track > CDIO_CD_MAX_TRACKS || track < CDIO_CD_MIN_TRACK_NO )
if( i_track > CDIO_CD_MAX_TRACKS || i_track < CDIO_CD_MIN_TRACK_NO )
continue;
env->pp_lba[i_tracks++] =
@@ -459,14 +486,12 @@ _get_track_lba_osx(void *user_data, track_t i_track)
{
_img_private_t *env = user_data;
if (!env->toc_init) _cdio_read_toc (env) ;
if (i_track == CDIO_CDROM_LEADOUT_TRACK) i_track = env->i_last_track+1;
if (i_track == CDIO_CDROM_LEADOUT_TRACK) i_track = TOTAL_TRACKS;
if (i_track > TOTAL_TRACKS || i_track == 0) {
if (i_track > env->i_last_track + 1 || i_track < env->i_first_track) {
return CDIO_INVALID_LSN;
} else {
return env->pp_lba[i_track];
return env->pp_lba[i_track - env->i_first_track];
}
}
@@ -560,26 +585,7 @@ _get_first_track_num_osx(void *user_data)
{
_img_private_t *env = user_data;
if (!env->toc_init) _cdio_read_toc (env) ;
{
track_t track = CDIO_INVALID_TRACK;
int i;
CDTOCDescriptor *pTrackDescriptors;
pTrackDescriptors = env->pTOC->descriptors;
for( i = 0; i < env->i_descriptors; i++ )
{
track = pTrackDescriptors[i].point;
if( track > CDIO_CD_MAX_TRACKS || track < CDIO_CD_MIN_TRACK_NO )
continue;
return ( track );
}
}
return CDIO_INVALID_TRACK;
return env->i_first_track;
}
/*!
@@ -611,9 +617,7 @@ _get_num_tracks_osx(void *user_data)
{
_img_private_t *env = user_data;
if (!env->toc_init) _cdio_read_toc (env) ;
return( env->num_tracks-1 );
return( TOTAL_TRACKS );
}
/*!
@@ -626,13 +630,9 @@ _get_track_format_osx(void *user_data, track_t i_track)
dk_cd_read_track_info_t cd_read;
CDTrackInfo a_track;
if (!env->toc_init) _cdio_read_toc (env) ;
if (i_track > TOTAL_TRACKS || i_track == 0)
if (i_track > env->i_last_track || i_track < env->i_first_track)
return TRACK_FORMAT_ERROR;
i_track -= 1; /* should be FIRST_TRACK_NUM */
memset( &cd_read, 0, sizeof(cd_read) );
cd_read.address = i_track;
@@ -644,7 +644,7 @@ _get_track_format_osx(void *user_data, track_t i_track)
if( ioctl( env->gen.fd, DKIOCCDREADTRACKINFO, &cd_read ) == -1 )
{
cdio_error( "could not read trackinfo for track %d", i_track );
return -1;
return TRACK_FORMAT_ERROR;
}
/*cdio_warn( "trackinfo trackMode: %x dataMode: %x", a_track.trackMode, a_track.dataMode );*/
@@ -677,29 +677,27 @@ _get_track_green_osx(void *user_data, track_t i_track)
_img_private_t *env = user_data;
CDTrackInfo a_track;
if (!env->toc_init) _cdio_read_toc (env) ;
if (i_track == CDIO_CDROM_LEADOUT_TRACK) i_track = TOTAL_TRACKS;
if (i_track > TOTAL_TRACKS || i_track == 0)
if ( i_track > env->i_last_track || i_track < env->i_first_track )
return false;
dk_cd_read_track_info_t cd_read;
memset( &cd_read, 0, sizeof(cd_read) );
else {
cd_read.address = i_track;
cd_read.addressType = kCDTrackInfoAddressTypeTrackNumber;
cd_read.buffer = &a_track;
cd_read.bufferLength = sizeof(CDTrackInfo);
if( ioctl( env->gen.fd, DKIOCCDREADTRACKINFO, &cd_read ) == -1 )
{
cdio_error( "could not read trackinfo for track %d", i_track );
return -1;
dk_cd_read_track_info_t cd_read;
memset( &cd_read, 0, sizeof(cd_read) );
cd_read.address = i_track;
cd_read.addressType = kCDTrackInfoAddressTypeTrackNumber;
cd_read.buffer = &a_track;
cd_read.bufferLength = sizeof(CDTrackInfo);
if( ioctl( env->gen.fd, DKIOCCDREADTRACKINFO, &cd_read ) == -1 ) {
cdio_error( "could not read trackinfo for track %d", i_track );
return -1;
}
return ((a_track.trackMode & 2) != 0);
}
return ((a_track.trackMode & 2) != 0);
}
#endif /* HAVE_DARWIN_CDROM */
@@ -724,13 +722,13 @@ cdio_get_devices_osx(void)
kern_result = IOMasterPort( MACH_PORT_NULL, &master_port );
if( kern_result != KERN_SUCCESS )
{
return( nil );
return( NULL );
}
classes_to_match = IOServiceMatching( kIOCDMediaClass );
if( classes_to_match == NULL )
{
return( nil );
return( NULL );
}
CFDictionarySetValue( classes_to_match, CFSTR(kIOMediaEjectableKey),
@@ -741,7 +739,7 @@ cdio_get_devices_osx(void)
&media_iterator );
if( kern_result != KERN_SUCCESS )
{
return( nil );
return( NULL );
}
next_media = IOIteratorNext( media_iterator );
@@ -806,13 +804,13 @@ cdio_get_default_device_osx(void)
kern_result = IOMasterPort( MACH_PORT_NULL, &master_port );
if( kern_result != KERN_SUCCESS )
{
return( nil );
return( NULL );
}
classes_to_match = IOServiceMatching( kIOCDMediaClass );
if( classes_to_match == NULL )
{
return( nil );
return( NULL );
}
CFDictionarySetValue( classes_to_match, CFSTR(kIOMediaEjectableKey),
@@ -823,7 +821,7 @@ cdio_get_default_device_osx(void)
&media_iterator );
if( kern_result != KERN_SUCCESS )
{
return( nil );
return( NULL );
}
next_media = IOIteratorNext( media_iterator );