bool wxCDAudio::Play(wxUint8 beg_track, wxUint8 end_track)
{
wxCDtime beg_play = GetToc().GetTrackPos(beg_track);
wxCDtime end_play;
if (end_track)
end_play = GetToc().GetTrackPos(end_track);
else
end_play = GetToc().GetTotalTime();
return Play(beg_play, end_play);
}
static int updateToc(void)
{
if (tocUpToDate)
return 0;
if (GetDiskInfo() < 0)
return -EIO;
if (GetToc() < 0)
return -EIO;
tocUpToDate = 1;
return 0;
}
// virtual
void CdDecoder::commitMetadata(Metadata *mdata)
{
QMutexLocker lock(&getCdioMutex());
StCdioDevice cdio(m_devicename);
if (!cdio)
return;
Cddb::Toc toc;
GetToc(cdio, toc);
unsigned secs;
Cddb::discid_t discID = Cddb::Discid(secs, toc.data(), toc.size() - 1);
Cddb::Album album(discID, mdata->Genre().toLower().toUtf8());
if (!Cddb::Read(album, album.genre, discID))
album.toc = toc;
album.isCompilation = mdata->Compilation();
if (!mdata->Compilation())
album.artist = mdata->Artist();
else if (mdata->CompilationArtist() != album.artist)
album.artist = mdata->CompilationArtist();
album.title = mdata->Album();
album.year = mdata->Year();
if (album.tracks.size() < m_tracknum)
album.tracks.resize(m_tracknum);
Cddb::Track& track = album.tracks[m_tracknum - 1];
track.title = mdata->Title();
track.artist = mdata->Artist();
Cddb::Write(album);
}
bool wxCDAudio::Play(const wxCDtime& beg_play)
{
return Play(beg_play, GetToc().GetTotalTime());
}
//virtual
Metadata *CdDecoder::getMetadata()
{
QString artist, album, compilation_artist, title, genre;
int year = 0;
unsigned long length = 0;
track_t tracknum = 0;
if (-1 == m_settracknum)
tracknum = getFilename().toUInt();
else
{
tracknum = m_settracknum;
setFilename(QString("%1" CDEXT).arg(tracknum));
}
QMutexLocker lock(&getCdioMutex());
StCdioDevice cdio(m_devicename);
if (!cdio)
return NULL;
const track_t lastTrack = cdio_get_last_track_num(cdio);
if (CDIO_INVALID_TRACK == lastTrack)
return NULL;
if (TRACK_FORMAT_AUDIO != cdio_get_track_format(cdio, tracknum))
return NULL;
// Assume disc changed if max LSN different
bool isDiscChanged = false;
static lsn_t s_totalSectors;
lsn_t totalSectors = cdio_get_track_lsn(cdio, CDIO_CDROM_LEADOUT_TRACK);
if (s_totalSectors != totalSectors)
{
s_totalSectors = totalSectors;
isDiscChanged = true;
}
// NB cdio_get_track_last_lsn is unreliable for the last audio track
// of discs with data tracks beyond
lsn_t end = cdio_get_track_last_lsn(cdio, tracknum);
if (isDiscChanged)
{
const track_t audioTracks = getNumCDAudioTracks();
s_lastAudioLsn = cdio_get_track_last_lsn(cdio, audioTracks);
if (audioTracks < lastTrack)
{
cdrom_drive_t *dev = cdio_cddap_identify_cdio(cdio, 0, NULL);
if (NULL != dev)
{
if (DRIVER_OP_SUCCESS == cdio_cddap_open(dev))
{
// NB this can be S L O W but is reliable
lsn_t end2 = cdio_cddap_track_lastsector(dev,
getNumCDAudioTracks());
if (CDIO_INVALID_LSN != end2)
s_lastAudioLsn = end2;
}
cdio_cddap_close_no_free_cdio(dev);
}
}
}
if (s_lastAudioLsn && s_lastAudioLsn < end)
end = s_lastAudioLsn;
const lsn_t start = cdio_get_track_lsn(cdio, tracknum);
if (CDIO_INVALID_LSN != start && CDIO_INVALID_LSN != end)
{
length = ((end - start + 1) * 1000 + CDIO_CD_FRAMES_PER_SEC/2) /
CDIO_CD_FRAMES_PER_SEC;
}
bool isCompilation = false;
#define CDTEXT 0 // Disabled - cd-text access on discs without it is S L O W
#if CDTEXT
static int s_iCdtext;
if (isDiscChanged)
s_iCdtext = -1;
if (s_iCdtext)
{
// cdio_get_cdtext can't take >5 seconds on some CD's without cdtext
if (s_iCdtext < 0)
LOG(VB_MEDIA, LOG_INFO,
QString("Getting cdtext for track %1...").arg(tracknum));
cdtext_t * cdtext = cdio_get_cdtext(m_cdio, tracknum);
if (NULL != cdtext)
{
genre = cdtext_get_const(CDTEXT_GENRE, cdtext);
artist = cdtext_get_const(CDTEXT_PERFORMER, cdtext);
title = cdtext_get_const(CDTEXT_TITLE, cdtext);
const char* isrc = cdtext_get_const(CDTEXT_ISRC, cdtext);
/* ISRC codes are 12 characters long, in the form CCXXXYYNNNNN
* CC = country code
* XXX = registrant e.g. BMG
* CC = year withou century
* NNNNN = unique ID
*/
if (isrc && strlen(isrc) >= 7)
{
year = (isrc[5] - '0') * 10 + (isrc[6] - '0');
year += (year <= 30) ? 2000 : 1900;
}
cdtext_destroy(cdtext);
if (!title.isNull())
{
if (s_iCdtext < 0)
LOG(VB_MEDIA, LOG_INFO, "Found cdtext track title");
s_iCdtext = 1;
// Get disc info
cdtext = cdio_get_cdtext(cdio, 0);
if (NULL != cdtext)
{
compilation_artist = cdtext_get_const(
CDTEXT_PERFORMER, cdtext);
if (!compilation_artist.isEmpty() &&
artist != compilation_artist)
isCompilation = true;
album = cdtext_get_const(CDTEXT_TITLE, cdtext);
if (genre.isNull())
genre = cdtext_get_const(CDTEXT_GENRE, cdtext);
cdtext_destroy(cdtext);
}
}
else
{
if (s_iCdtext < 0)
LOG(VB_MEDIA, LOG_INFO, "No cdtext title for track");
s_iCdtext = 0;
}
}
else
{
if (s_iCdtext < 0)
LOG(VB_MEDIA, LOG_INFO, "No cdtext");
s_iCdtext = 0;
}
}
if (title.isEmpty() || artist.isEmpty() || album.isEmpty())
#endif // CDTEXT
{
// CDDB lookup
Cddb::Toc toc;
Cddb::Matches r;
if (Cddb::Query(r, GetToc(cdio, toc)))
{
Cddb::Matches::match_t::const_iterator select = r.matches.begin();
if (r.matches.size() > 1)
{
// TODO prompt user to select one
// In the meantime, select the first non-generic genre
for (Cddb::Matches::match_t::const_iterator it = select;
it != r.matches.end(); ++it)
{
QString g = it->genre.toLower();
if (g != "misc" && g != "data")
{
select = it;
break;
}
}
}
Cddb::Album info;
if (Cddb::Read(info, select->genre, select->discID))
{
isCompilation = info.isCompilation;
if (info.genre.toLower() != "misc")
genre = info.genre;
album = info.title;
compilation_artist = info.artist;
year = info.year;
if (info.tracks.size() >= tracknum)
{
const Cddb::Track& track = info.tracks[tracknum - 1];
title = track.title;
artist = track.artist;
}
// Create a temporary local alias for future lookups
if (r.discID != info.discID)
Cddb::Alias(info, r.discID);
}
}
}
if (compilation_artist.toLower().left(7) == "various")
compilation_artist = QObject::tr("Various Artists");
if (artist.isEmpty())
{
artist = compilation_artist;
compilation_artist.clear();
}
if (title.isEmpty())
title = QObject::tr("Track %1").arg(tracknum);
Metadata *m = new Metadata(getFilename(), artist, compilation_artist,
album, title, genre, year, tracknum, length);
if (m)
m->setCompilation(isCompilation);
return m;
}
