Disc *
MusicBrainz::readDisc(const std::string &deviceName)
{
#ifdef DISCID_FOUND
DiscId *discid = discid_new();
if (!discid) {
throw DiscError("Couldn't create a new DiscId instance.");
}
if (!discid_read(discid, deviceName.empty() ? NULL : deviceName.c_str())) {
string msg(discid_get_error_msg(discid));
discid_free(discid);
throw DiscError(msg);
}
Disc *disc = new Disc;
disc->setId(discid_get_id(discid));
disc->setSectors(discid_get_sectors(discid));
disc->setFirstTrackNum(discid_get_first_track_num(discid));
disc->setLastTrackNum(discid_get_last_track_num(discid));
for (int i = disc->getFirstTrackNum(); i <= disc->getLastTrackNum(); i++) {
disc->addTrack(Disc::Track(discid_get_track_offset(discid, i),
discid_get_track_length(discid, i)));
}
discid_free(discid);
return disc;
#else
throw DiscError("libdiscid is not available.");
#endif
}
