static PyObject *
CD_open(PyObject *self, PyObject *args)
{
char *dev, *direction;
CDPLAYER *cdp;
/*
* Variable number of args.
* First defaults to "None", second defaults to "r".
*/
dev = NULL;
direction = "r";
if (!PyArg_ParseTuple(args, "|zs:open", &dev, &direction))
return NULL;
cdp = CDopen(dev, direction);
if (cdp == NULL) {
PyErr_SetFromErrno(CdError);
return NULL;
}
return newcdplayerobject(cdp);
}
int main(int argc, char *argv[])
{
int len;
int i, totaltime;
long int cksum = 0;
int musicbrainz = 0;
unsigned char last = 1;
char *devicename = DEVICE_NAME;
struct cdrom_tocentry *TocEntry;
#ifndef __sgi
int drive;
struct cdrom_tochdr hdr;
#else
CDPLAYER *drive;
CDTRACKINFO info;
cdrom_tochdr hdr;
#endif
char *command = argv[0];
#if defined(__OpenBSD__) || defined(__NetBSD__)
struct ioc_read_toc_entry t;
#elif defined(__APPLE__)
dk_cd_read_disc_info_t discInfoParams;
#endif
if (argc == 2 && !strcmp(argv[1], "--help")) {
usage();
exit(EXIT_SUCCESS);
}
if (argc == 2 && !strcmp(argv[1], "--version")) {
fprintf(stderr, "cd-discid %s.\n", VERSION);
exit(EXIT_SUCCESS);
}
if (argc >= 2 && !strcmp(argv[1], "--musicbrainz")) {
musicbrainz = 1;
argc--;
argv++;
}
if (argc == 2)
devicename = argv[1];
else if (argc > 2) {
usage();
exit(EXIT_FAILURE);
}
#if defined(__sgi)
drive = CDopen(devicename, "r");
if (drive == 0) {
#else
drive = open(devicename, O_RDONLY | O_NONBLOCK);
if (drive < 0) {
#endif
fprintf(stderr, "%s: %s: ", command, devicename);
perror("open");
exit(EXIT_FAILURE);
}
#if defined(__APPLE__)
memset(&discInfoParams, 0, sizeof(discInfoParams));
discInfoParams.buffer = &hdr;
discInfoParams.bufferLength = sizeof(hdr);
if (ioctl(drive, DKIOCCDREADDISCINFO, &discInfoParams) < 0
|| discInfoParams.bufferLength != sizeof(hdr)) {
fprintf(stderr, "%s: %s: ", command, devicename);
perror("DKIOCCDREADDISCINFO");
exit(EXIT_FAILURE);
}
#elif defined(__sgi)
if (CDgetstatus(drive, &hdr) == 0) {
perror("CDROMREADTOCHDR");
exit(EXIT_FAILURE);
}
#else
if (ioctl(drive, CDROMREADTOCHDR, &hdr) < 0) {
fprintf(stderr, "%s: %s: ", command, devicename);
perror("CDROMREADTOCHDR");
exit(EXIT_FAILURE);
}
#endif
last = hdr.cdth_trk1;
len = (last + 1) * sizeof(struct cdrom_tocentry);
TocEntry = malloc(len);
if (!TocEntry) {
fprintf(stderr,
"%s: %s: Can't allocate memory for TOC entries\n",
command, devicename);
exit(EXIT_FAILURE);
}
#if defined(__OpenBSD__)
t.starting_track = 0;
#elif defined(__NetBSD__)
t.starting_track = 1;
#endif
#if defined(__OpenBSD__) || defined(__NetBSD__)
t.address_format = CDROM_LBA;
t.data_len = len;
t.data = TocEntry;
memset(TocEntry, 0, len);
if (ioctl(drive, CDIOREADTOCENTRYS, (char*)&t) < 0) {
fprintf(stderr, "%s: %s: ", command, devicename);
perror("CDIOREADTOCENTRYS");
}
#elif defined(__APPLE__)
dk_cd_read_track_info_t trackInfoParams;
memset(&trackInfoParams, 0, sizeof(trackInfoParams));
trackInfoParams.addressType = kCDTrackInfoAddressTypeTrackNumber;
trackInfoParams.bufferLength = sizeof(*TocEntry);
for (i = 0; i < last; i++) {
trackInfoParams.address = i + 1;
trackInfoParams.buffer = &TocEntry[i];
if (ioctl(drive, DKIOCCDREADTRACKINFO, &trackInfoParams) < 0) {
fprintf(stderr, "%s: %s: ", command, devicename);
perror("DKIOCCDREADTRACKINFO");
}
}
/* MacOS X on G5-based systems does not report valid info for
* TocEntry[last-1].lastRecordedAddress + 1, so we compute the start
* of leadout from the start+length of the last track instead
*/
TocEntry[last].cdte_track_address = htonl(ntohl(TocEntry[last-1].trackSize) + ntohl(TocEntry[last-1].trackStartAddress));
#elif defined(__sgi)
for (i = 0; i < last; i++) {
if (CDgettrackinfo(drive, i + 1, &info) == 0) {
fprintf(stderr, "CDgettrackinfo failed on track %i: %s\n", i + 1, devicename);
}
TocEntry[i].cdte_track_address = info.start_min*60*CD_FRAMES + info.start_sec*CD_FRAMES + info.start_frame;
}
TocEntry[last].cdte_track_address = TocEntry[last - 1].cdte_track_address + info.total_min*60*CD_FRAMES + info.total_sec*CD_FRAMES + info.total_frame;
#else /* FreeBSD, Linux, Solaris */
for (i = 0; i < last; i++) {
/* tracks start with 1, but I must start with 0 on OpenBSD */
TocEntry[i].cdte_track = i + 1;
TocEntry[i].cdte_format = CDROM_LBA;
if (ioctl(drive, CDROMREADTOCENTRY, &TocEntry[i]) < 0) {
fprintf(stderr, "%s: %s: ", command, devicename);
perror("CDROMREADTOCENTRY");
}
}
TocEntry[last].cdte_track = CDROM_LEADOUT;
TocEntry[last].cdte_format = CDROM_LBA;
if (ioctl(drive, CDROMREADTOCENTRY, &TocEntry[i]) < 0) {
fprintf(stderr, "%s: %s: ", command, devicename);
perror("CDROMREADTOCENTRY");
}
#endif
/* release file handle */
close(drive);
#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__APPLE__)
TocEntry[i].cdte_track_address = ntohl(TocEntry[i].cdte_track_address);
#endif
for (i = 0; i < last; i++) {
#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__APPLE__)
TocEntry[i].cdte_track_address = ntohl(TocEntry[i].cdte_track_address);
#endif
cksum += cddb_sum((TocEntry[i].cdte_track_address + CD_MSF_OFFSET) / CD_FRAMES);
}
totaltime = ((TocEntry[last].cdte_track_address + CD_MSF_OFFSET) / CD_FRAMES) -
((TocEntry[0].cdte_track_address + CD_MSF_OFFSET) / CD_FRAMES);
/* print discid */
if (!musicbrainz)
printf("%08lx ", (cksum % 0xff) << 24 | totaltime << 8 | last);
/* print number of tracks */
printf("%d", last);
/* print frame offsets of all tracks */
for (i = 0; i < last; i++)
printf(" %d", TocEntry[i].cdte_track_address + CD_MSF_OFFSET);
if (musicbrainz)
printf(" %d\n", TocEntry[last].cdte_track_address + CD_MSF_OFFSET);
else
/* print length of disc in seconds */
printf(" %d\n", (TocEntry[last].cdte_track_address + CD_MSF_OFFSET) / CD_FRAMES);
free(TocEntry);
return 0;
}
