/*!
Read and cache the CD's Track Table of Contents and track info.
Return true if successful or false if an error.
*/
bool
read_toc_win32ioctl (_img_private_t *p_env)
{
CDROM_TOC cdrom_toc;
DWORD dw_bytes_returned;
unsigned int i, j;
bool b_fulltoc_first; /* Do we do fulltoc or DeviceIoControl
first? */
if ( ! p_env ) return false;
/*
The MMC5 spec says:
For media other than CD, information may be fabricated in order
^^^ ^^
to emulate a CD structure for the specific media.
There is no requirement though that it *has* to and some DVD
drives like one by Thompson for XBOX don't support a
IOCTL_CDROM_READ_TOC for DVD's. So if we have a DVD we should not
prefer getting the TOC via MMC.
But on the other hand in GNU/Linux it is reported that using the
TOC via MMC gives better information such as for CD DATA Form 2 (used
in SVCDs). So if we *don't* have a DVD I think we want to try MMC
first.
Is this complicated enough? I could be wrong...
*/
b_fulltoc_first = (CDIO_DISC_MODE_NO_INFO == dvd_discmode_win32ioctl(p_env));
if ( b_fulltoc_first && read_fulltoc_win32mmc(p_env) ) return true;
/* SCSI-MMC READ_TOC (FULTOC) read failed or we don't want to try it
initiaily. Try reading TOC via DeviceIoControl... */
if( DeviceIoControl( p_env->h_device_handle,
IOCTL_CDROM_READ_TOC,
NULL, 0, &cdrom_toc, sizeof(CDROM_TOC),
&dw_bytes_returned, NULL ) == 0 ) {
char *psz_msg = NULL;
long int i_err = GetLastError();
cdio_log_level_t loglevel = b_fulltoc_first
? CDIO_LOG_WARN : CDIO_LOG_DEBUG;
FORMAT_ERROR(i_err, psz_msg);
if (psz_msg) {
cdio_log(loglevel, "could not read TOC (%ld): %s", i_err, psz_msg);
LocalFree(psz_msg);
} else
cdio_log(loglevel, "could not read TOC (%ld)", i_err);
if ( !b_fulltoc_first && read_fulltoc_win32mmc(p_env) ) return true;
return false;
}
p_env->gen.i_first_track = cdrom_toc.FirstTrack;
p_env->gen.i_tracks = cdrom_toc.LastTrack - cdrom_toc.FirstTrack + 1;
j = p_env->gen.i_first_track;
for( i = 0 ; i <= p_env->gen.i_tracks ; i++, j++ ) {
p_env->tocent[ i ].start_lsn =
cdio_lba_to_lsn(
cdio_msf3_to_lba( cdrom_toc.TrackData[i].Address[1],
cdrom_toc.TrackData[i].Address[2],
cdrom_toc.TrackData[i].Address[3] )
);
p_env->tocent[i].Control = cdrom_toc.TrackData[i].Control;
p_env->tocent[i].Format = cdrom_toc.TrackData[i].Adr;
p_env->gen.track_flags[j].preemphasis =
p_env->tocent[i].Control & 0x1
? CDIO_TRACK_FLAG_TRUE : CDIO_TRACK_FLAG_FALSE;
p_env->gen.track_flags[j].copy_permit =
p_env->tocent[i].Control & 0x2
? CDIO_TRACK_FLAG_TRUE : CDIO_TRACK_FLAG_FALSE;
p_env->gen.track_flags[j].channels =
p_env->tocent[i].Control & 0x8 ? 4 : 2;
cdio_debug("p_sectors: %i, %lu", i,
(unsigned long int) (p_env->tocent[i].start_lsn));
}
p_env->gen.toc_init = true;
return true;
}
/*!
Convert a string of the form MM:SS:FF into the corresponding LBA.
CDIO_INVALID_LBA is returned if there is an error.
*/
lba_t
cdio_mmssff_to_lba (const char *psz_mmssff)
{
int psz_field;
lba_t ret;
unsigned char c;
if (0 == strcmp (psz_mmssff, "0"))
return 0;
c = *psz_mmssff++;
if(c >= '0' && c <= '9')
psz_field = (c - '0');
else
return CDIO_INVALID_LBA;
while(':' != (c = *psz_mmssff++)) {
if(c >= '0' && c <= '9')
psz_field = psz_field * 10 + (c - '0');
else
return CDIO_INVALID_LBA;
}
ret = cdio_msf3_to_lba (psz_field, 0, 0);
c = *psz_mmssff++;
if(c >= '0' && c <= '9')
psz_field = (c - '0');
else
return CDIO_INVALID_LBA;
if(':' != (c = *psz_mmssff++)) {
if(c >= '0' && c <= '9') {
psz_field = psz_field * 10 + (c - '0');
c = *psz_mmssff++;
if(c != ':')
return CDIO_INVALID_LBA;
}
else
return CDIO_INVALID_LBA;
}
if(psz_field >= CDIO_CD_SECS_PER_MIN)
return CDIO_INVALID_LBA;
ret += cdio_msf3_to_lba (0, psz_field, 0);
c = *psz_mmssff++;
if (isdigit(c))
psz_field = (c - '0');
else
return -1;
if('\0' != (c = *psz_mmssff++)) {
if (isdigit(c)) {
psz_field = psz_field * 10 + (c - '0');
c = *psz_mmssff++;
}
else
return CDIO_INVALID_LBA;
}
if('\0' != c)
return CDIO_INVALID_LBA;
if(psz_field >= CDIO_CD_FRAMES_PER_SEC)
return CDIO_INVALID_LBA;
ret += psz_field;
return ret;
}
/*!
Read and cache the CD's Track Table of Contents and track info.
via a SCSI MMC READ_TOC (FULTOC). Return true if successful or
false if an error.
*/
static bool
read_fulltoc_win32mmc (_img_private_t *p_env)
{
mmc_cdb_t cdb = {{0, }};
CDROM_TOC_FULL cdrom_toc_full;
int i_status, i, j;
int i_track_format = 0;
int i_seen_flag;
/* Operation code */
CDIO_MMC_SET_COMMAND(cdb.field, CDIO_MMC_GPCMD_READ_TOC);
cdb.field[1] = 0x00;
/* Format */
cdb.field[2] = CDIO_MMC_READTOC_FMT_FULTOC;
memset(&cdrom_toc_full, 0, sizeof(cdrom_toc_full));
/* Setup to read header, to get length of data */
CDIO_MMC_SET_READ_LENGTH16(cdb.field, sizeof(cdrom_toc_full));
i_status = run_mmc_cmd_win32ioctl (p_env, 1000*60*3,
mmc_get_cmd_len(cdb.field[0]),
&cdb, SCSI_MMC_DATA_READ,
sizeof(cdrom_toc_full), &cdrom_toc_full);
if ( 0 != i_status ) {
cdio_debug ("SCSI MMC READ_TOC failed\n");
return false;
}
i_seen_flag=0;
for( i = 0 ; i <= CDIO_CD_MAX_TRACKS+3; i++ ) {
if ( 0xA0 == cdrom_toc_full.TrackData[i].POINT ) {
/* First track number */
p_env->gen.i_first_track = cdrom_toc_full.TrackData[i].PMIN;
i_track_format = cdrom_toc_full.TrackData[i].PSEC;
i_seen_flag|=0x01;
}
if ( 0xA1 == cdrom_toc_full.TrackData[i].POINT ) {
/* Last track number */
p_env->gen.i_tracks =
cdrom_toc_full.TrackData[i].PMIN - p_env->gen.i_first_track + 1;
i_seen_flag|=0x02;
}
j = cdrom_toc_full.TrackData[i].POINT;
if ( 0xA2 == j ) {
/* Start position of the lead out */
p_env->tocent[ p_env->gen.i_tracks ].start_lsn =
cdio_lba_to_lsn(
cdio_msf3_to_lba(
cdrom_toc_full.TrackData[i].PMIN,
cdrom_toc_full.TrackData[i].PSEC,
cdrom_toc_full.TrackData[i].PFRAME
)
);
p_env->tocent[ p_env->gen.i_tracks ].Control
= cdrom_toc_full.TrackData[i].Control;
p_env->tocent[ p_env->gen.i_tracks ].Format = i_track_format;
i_seen_flag|=0x04;
}
if (cdrom_toc_full.TrackData[i].POINT > 0
&& cdrom_toc_full.TrackData[i].POINT <= p_env->gen.i_tracks) {
p_env->tocent[j-1].start_lsn =
cdio_lba_to_lsn(
cdio_msf3_to_lba(
cdrom_toc_full.TrackData[i].PMIN,
cdrom_toc_full.TrackData[i].PSEC,
cdrom_toc_full.TrackData[i].PFRAME
)
);
p_env->tocent[j-1].Control =
cdrom_toc_full.TrackData[i].Control;
p_env->tocent[j-1].Format = i_track_format;
set_track_flags(&(p_env->gen.track_flags[j]),
p_env->tocent[j-1].Control);
cdio_debug("p_sectors: %i, %lu", i,
(unsigned long int) (p_env->tocent[i].start_lsn));
if (cdrom_toc_full.TrackData[i].POINT == p_env->gen.i_tracks)
i_seen_flag|=0x08;
}
if ( 0x0F == i_seen_flag ) break;
}
if ( 0x0F == i_seen_flag ) {
p_env->gen.toc_init = true;
return true;
}
return false;
}
