/*! Find the track which contans lsn.
CDIO_INVALID_TRACK is returned if the lsn outside of the CD or
if there was some error.
If the lsn is before the pregap of the first track 0 is returned.
Otherwise we return the track that spans the lsn.
*/
track_t
cdio_get_track(const CdIo_t *p_cdio, lsn_t lsn)
{
if (!p_cdio) return CDIO_INVALID_TRACK;
{
track_t i_low_track = cdio_get_first_track_num(p_cdio);
track_t i_high_track = cdio_get_last_track_num(p_cdio)+1; /* LEADOUT */
if (CDIO_INVALID_TRACK == i_low_track
|| CDIO_INVALID_TRACK == i_high_track ) return CDIO_INVALID_TRACK;
if (lsn < cdio_get_track_lsn(p_cdio, i_low_track))
return 0; /* We're in the pre-gap of first track */
if (lsn > cdio_get_track_lsn(p_cdio, i_high_track))
return CDIO_INVALID_TRACK; /* We're beyond the end. */
do {
const track_t i_mid = (i_low_track + i_high_track) / 2;
const lsn_t i_mid_lsn = cdio_get_track_lsn(p_cdio, i_mid);
if (lsn <= i_mid_lsn) i_high_track = i_mid - 1;
if (lsn >= i_mid_lsn) i_low_track = i_mid + 1;
} while ( i_low_track <= i_high_track );
return (i_low_track > i_high_track + 1)
? i_high_track + 1 : i_high_track;
}
}
/*! Read CD TOC and set CD information. */
static void
read_toc(CdIo_t *p_cdio)
{
track_t i;
i_first_track = cdio_get_first_track_num(p_cdio);
i_last_track = cdio_get_last_track_num(p_cdio);
i_tracks = cdio_get_num_tracks(p_cdio);
i_first_audio_track = i_first_track;
i_last_audio_track = i_last_track;
if ( CDIO_INVALID_TRACK == i_first_track ||
CDIO_INVALID_TRACK == i_last_track ) {
xperror("read toc header");
b_cd = false;
b_record = false;
} else {
b_cd = true;
i_data = 0;
for (i = i_first_track; i <= i_last_track+1; i++) {
if ( !cdio_get_track_msf(p_cdio, i, &(toc[i])) )
{
xperror("read toc entry");
b_cd = false;
return;
}
if ( TRACK_FORMAT_AUDIO != cdio_get_track_format(p_cdio, i) ) {
if ((i != i_last_track+1) ) {
i_data++;
if (i == i_first_track) {
if (i == i_last_track)
i_first_audio_track = CDIO_CDROM_LEADOUT_TRACK;
else
i_first_audio_track++;
}
}
}
}
b_record = true;
read_subchannel(p_cdio);
if (auto_mode && sub.audio_status != CDIO_MMC_READ_SUB_ST_PLAY)
play_track(1, CDIO_CDROM_LEADOUT_TRACK);
}
}
static void
display_toc(cdrom_drive_t *d)
{
long audiolen=0;
track_t i;
report("\nTable of contents (audio tracks only):\n"
"track length begin copy pre ch\n"
"===========================================================");
for( i=cdio_get_first_track_num(d->p_cdio);
i<=cdio_get_last_track_num(d->p_cdio); i++)
if ( cdda_track_audiop(d,i) > 0 ) {
lsn_t sec=cdda_track_firstsector(d,i);
lsn_t off=cdda_track_lastsector(d,i)-sec+1;
report("%3d. %7ld [%02d:%02d.%02d] %7ld [%02d:%02d.%02d] %s %s %s",
i,
(long int) off,
(int) (off/(CDIO_CD_FRAMES_PER_MIN)),
(int) ((off/CDIO_CD_FRAMES_PER_SEC) % CDIO_CD_SECS_PER_MIN),
(int) (off % CDIO_CD_FRAMES_PER_SEC),
(long int) sec,
(int) (sec/(CDIO_CD_FRAMES_PER_MIN)),
(int) ((sec/CDIO_CD_FRAMES_PER_SEC) % CDIO_CD_SECS_PER_MIN),
(int) (sec % CDIO_CD_FRAMES_PER_SEC),
cdda_track_copyp(d,i)?" OK":" no",
cdda_track_preemp(d,i)?" yes":" no",
cdda_track_channels(d,i)==2?" 2":" 4");
audiolen+=off;
}
report("TOTAL %7ld [%02d:%02d.%02d] (audio only)",
audiolen,
(int) (audiolen/(CDIO_CD_FRAMES_PER_MIN)),
(int) ((audiolen/CDIO_CD_FRAMES_PER_SEC) % CDIO_CD_SECS_PER_MIN),
(int) (audiolen % CDIO_CD_FRAMES_PER_SEC));
report(" ");
}
//public
int CdDecoder::getNumCDAudioTracks()
{
QMutexLocker lock(&getCdioMutex());
StCdioDevice cdio(m_devicename);
if (!cdio)
return 0;
int nAudio = 0;
const track_t last = cdio_get_last_track_num(cdio);
if (CDIO_INVALID_TRACK != last)
{
for (track_t t = cdio_get_first_track_num(cdio) ; t <= last; ++t)
{
if (TRACK_FORMAT_AUDIO == cdio_get_track_format(cdio, t))
++nAudio;
}
LOG(VB_MEDIA, LOG_DEBUG, QString("getNumCDAudioTracks = %1").arg(nAudio));
}
return nAudio;
}
static Cddb::Toc& GetToc(CdIo_t *cdio, Cddb::Toc& toc)
{
// Get lead-in
const track_t firstTrack = cdio_get_first_track_num(cdio);
lsn_t lsn0 = 0;
msf_t msf;
if (cdio_get_track_msf(cdio, firstTrack, &msf))
lsn0 = (msf.m * 60 + msf.s) * CDIO_CD_FRAMES_PER_SEC + msf.f;
const track_t lastTrack = cdio_get_last_track_num(cdio);
for (track_t t = firstTrack; t <= lastTrack + 1; ++t)
{
#if 0 // This would be better but the msf's returned are way off in libcdio 0.81
if (!cdio_get_track_msf(cdio, t, &msf))
break;
#else
lsn_t lsn = cdio_get_track_lsn(cdio, t);
if (s_lastAudioLsn && lsn > s_lastAudioLsn)
lsn = s_lastAudioLsn;
lsn += lsn0; // lead-in
std::div_t d = std::div(lsn, CDIO_CD_FRAMES_PER_SEC);
msf.f = d.rem;
d = std::div(d.quot, 60);
msf.s = d.rem;
msf.m = d.quot;
#endif
//LOG(VB_MEDIA, LOG_INFO, QString("Track %1 msf: %2:%3:%4").
// arg(t,2).arg(msf.m,2).arg(msf.s,2).arg(msf.f,2) );
toc.push_back(Cddb::Msf(msf.m, msf.s, msf.f));
if (TRACK_FORMAT_AUDIO != cdio_get_track_format(cdio, t))
break;
}
return toc;
}
static int read_toc(vcd_priv * priv, char ** iso_label)
{
int i, j;
cdio_iso_analysis_t iso;
cdio_fs_anal_t fs;
int first_track;
priv->num_tracks = cdio_get_last_track_num(priv->cdio);
if(priv->num_tracks == CDIO_INVALID_TRACK)
{
return 0;
}
/* VCD needs at least 2 tracks */
if(priv->num_tracks < 2)
return 0;
priv->tracks = calloc(priv->num_tracks, sizeof(*(priv->tracks)));
priv->num_video_tracks = 0;
first_track = cdio_get_first_track_num(priv->cdio);
if(iso_label)
{
fs = cdio_guess_cd_type(priv->cdio, 0, first_track,
&iso);
/* Remove trailing spaces */
j = strlen(iso.iso_label)-1;
while(j)
{
if(!isspace(iso.iso_label[j]))
break;
j--;
}
if(!j && isspace(iso.iso_label[j]))
iso.iso_label[j] = '\0';
else
iso.iso_label[j+1] = '\0';
*iso_label = gavl_strdup(iso.iso_label);
priv->tracks[first_track - 1].mode = TRACK_OTHER;
}
/* Actually it's (first_track - 1) + 1 */
for(i = first_track; i < priv->num_tracks; i++)
{
priv->tracks[i].start_sector = cdio_get_track_lsn(priv->cdio, i+1);
priv->tracks[i].end_sector = cdio_get_track_last_lsn(priv->cdio, i+1);
fs = cdio_guess_cd_type(priv->cdio, 0, i+1, &iso);
if(fs & CDIO_FS_ANAL_VIDEOCD)
{
priv->num_video_tracks++;
priv->tracks[i].mode = TRACK_VCD;
}
else if(fs & CDIO_FS_ANAL_SVCD)
{
priv->num_video_tracks++;
priv->tracks[i].mode = TRACK_SVCD;
}
else if(fs & CDIO_FS_ANAL_CVD)
{
priv->tracks[i].mode = TRACK_CVD;
priv->num_video_tracks++;
}
else if(fs & CDIO_FS_ANAL_ISO9660_ANY)
{
priv->tracks[i].mode = TRACK_VCD;
priv->num_video_tracks++;
}
}
if(!priv->num_video_tracks)
{
free(priv->tracks);
priv->tracks = NULL;
return 0;
}
return 1;
}
/** Read CD TOC and set CD information. */
static void
read_toc(CdIo_t *p_cdio)
{
track_t i;
action("read toc...");
memset(cd_info, 0, sizeof(cd_info));
title[0] = artist[0] = genre[0] = category[0] = year[0] = '\0';
i_first_track = cdio_get_first_track_num(p_cdio);
i_last_track = cdio_get_last_track_num(p_cdio);
i_tracks = cdio_get_num_tracks(p_cdio);
i_first_audio_track = i_first_track;
i_last_audio_track = i_last_track;
cdio_audio_get_volume(p_cdio, &audio_volume);
for (i_vol_port=0; i_vol_port<4; i_vol_port++) {
if (audio_volume.level[i_vol_port] > 0) break;
}
if ( CDIO_INVALID_TRACK == i_first_track ||
CDIO_INVALID_TRACK == i_last_track ) {
xperror("read toc header");
b_cd = false;
b_record = false;
i_last_display_track = CDIO_INVALID_TRACK;
} else {
b_cd = true;
i_data = 0;
get_disc_info(p_cdio);
for (i = i_first_track; i <= i_last_track+1; i++) {
int s;
if ( !cdio_get_track_msf(p_cdio, i, &(toc[i])) )
{
xperror("read toc entry");
b_cd = false;
return;
}
if ( TRACK_FORMAT_AUDIO == cdio_get_track_format(p_cdio, i) ) {
if (i != i_first_track)
{
s = cdio_audio_get_msf_seconds(&toc[i])
- cdio_audio_get_msf_seconds(&toc[i-1]);
snprintf(cd_info[i-1].length, sizeof(cd_info[0].length),
"%02d:%02d",
s / CDIO_CD_SECS_PER_MIN, s % CDIO_CD_SECS_PER_MIN);
}
} else {
if ((i != i_last_track+1) ) {
i_data++;
if (i == i_first_track) {
if (i == i_last_track)
i_first_audio_track = CDIO_CDROM_LEADOUT_TRACK;
else
i_first_audio_track++;
}
}
}
get_track_info(i);
}
b_record = true;
read_subchannel(p_cdio);
if (auto_mode && sub.audio_status != CDIO_MMC_READ_SUB_ST_PLAY)
play_track(1, CDIO_CDROM_LEADOUT_TRACK);
}
action("");
if (!b_all_tracks)
display_cdinfo(p_cdio, i_tracks, i_first_track);
}
/* mutex must be locked */
static void scan_cd (void)
{
AUDDBG ("Scanning CD drive.\n");
g_return_if_fail (pcdrom_drive != NULL);
g_return_if_fail (trackinfo == NULL);
gint trackno;
/* general track initialization */
/* skip endianness detection (because it only affects cdda_read, and we use
* cdio_read_audio_sectors instead) */
pcdrom_drive->bigendianp = 0;
/* finish initialization of drive/disc (performs disc TOC sanitization) */
if (cdda_open (pcdrom_drive) != 0)
{
cdaudio_error ("Failed to finish initializing opened CD drive.");
goto ERR;
}
if (cdda_speed_set (pcdrom_drive, cdng_cfg.disc_speed) != DRIVER_OP_SUCCESS)
warn ("Cannot set drive speed.\n");
firsttrackno = cdio_get_first_track_num (pcdrom_drive->p_cdio);
lasttrackno = cdio_get_last_track_num (pcdrom_drive->p_cdio);
if (firsttrackno == CDIO_INVALID_TRACK || lasttrackno == CDIO_INVALID_TRACK)
{
cdaudio_error ("Failed to retrieve first/last track number.");
goto ERR;
}
AUDDBG ("first track is %d and last track is %d\n", firsttrackno,
lasttrackno);
trackinfo = (trackinfo_t *) g_new (trackinfo_t, (lasttrackno + 1));
cdaudio_set_fullinfo (&trackinfo[0],
cdda_track_firstsector (pcdrom_drive, 0),
cdda_track_lastsector (pcdrom_drive, lasttrackno),
"", "", "");
n_audio_tracks = 0;
for (trackno = firsttrackno; trackno <= lasttrackno; trackno++)
{
cdaudio_set_fullinfo (&trackinfo[trackno],
cdda_track_firstsector (pcdrom_drive, trackno),
cdda_track_lastsector (pcdrom_drive, trackno),
"", "", "");
if (trackinfo[trackno].startlsn == CDIO_INVALID_LSN
|| trackinfo[trackno].endlsn == CDIO_INVALID_LSN)
{
cdaudio_error ("Cannot read start/end LSN for track %d.", trackno);
goto ERR;
}
/* count how many tracks are audio tracks */
if (cdda_track_audiop (pcdrom_drive, trackno))
n_audio_tracks++;
}
/* get trackinfo[0] cdtext information (the disc) */
if (cdng_cfg.use_cdtext)
{
AUDDBG ("getting cd-text information for disc\n");
cdtext_t *pcdtext = cdio_get_cdtext (pcdrom_drive->p_cdio, 0);
if (pcdtext == NULL || pcdtext->field[CDTEXT_TITLE] == NULL)
{
AUDDBG ("no cd-text available for disc\n");
}
else
{
cdaudio_set_strinfo (&trackinfo[0],
pcdtext->field[CDTEXT_PERFORMER] ? pcdtext->
field[CDTEXT_PERFORMER] : "",
pcdtext->field[CDTEXT_TITLE] ? pcdtext->
field[CDTEXT_TITLE] : "",
pcdtext->field[CDTEXT_GENRE] ? pcdtext->
field[CDTEXT_GENRE] : "");
}
}
/* get track information from cdtext */
gboolean cdtext_was_available = FALSE;
for (trackno = firsttrackno; trackno <= lasttrackno; trackno++)
{
cdtext_t *pcdtext = NULL;
if (cdng_cfg.use_cdtext)
{
AUDDBG ("getting cd-text information for track %d\n", trackno);
pcdtext = cdio_get_cdtext (pcdrom_drive->p_cdio, trackno);
if (pcdtext == NULL || pcdtext->field[CDTEXT_PERFORMER] == NULL)
{
AUDDBG ("no cd-text available for track %d\n", trackno);
pcdtext = NULL;
}
}
if (pcdtext != NULL)
{
cdaudio_set_strinfo (&trackinfo[trackno],
pcdtext->field[CDTEXT_PERFORMER] ? pcdtext->
field[CDTEXT_PERFORMER] : "",
pcdtext->field[CDTEXT_TITLE] ? pcdtext->
field[CDTEXT_TITLE] : "",
pcdtext->field[CDTEXT_GENRE] ? pcdtext->
field[CDTEXT_GENRE] : "");
cdtext_was_available = TRUE;
}
else
{
cdaudio_set_strinfo (&trackinfo[trackno], "", "", "");
snprintf (trackinfo[trackno].name, DEF_STRING_LEN,
"Track %d", trackno);
}
}
if (!cdtext_was_available)
{
/* initialize de cddb subsystem */
cddb_conn_t *pcddb_conn = NULL;
cddb_disc_t *pcddb_disc = NULL;
cddb_track_t *pcddb_track = NULL;
lba_t lba; /* Logical Block Address */
if (cdng_cfg.use_cddb)
{
pcddb_conn = cddb_new ();
if (pcddb_conn == NULL)
cdaudio_error ("Failed to create the cddb connection.");
else
{
AUDDBG ("getting CDDB info\n");
cddb_cache_enable (pcddb_conn);
// cddb_cache_set_dir(pcddb_conn, "~/.cddbslave");
if (cdng_cfg.use_proxy)
{
cddb_http_proxy_enable (pcddb_conn);
cddb_set_http_proxy_server_name (pcddb_conn,
cdng_cfg.proxy_host);
cddb_set_http_proxy_server_port (pcddb_conn,
cdng_cfg.proxy_port);
cddb_set_http_proxy_username (pcddb_conn,
cdng_cfg.proxy_username);
cddb_set_http_proxy_password (pcddb_conn,
cdng_cfg.proxy_password);
cddb_set_server_name (pcddb_conn, cdng_cfg.cddb_server);
cddb_set_server_port (pcddb_conn, cdng_cfg.cddb_port);
}
else if (cdng_cfg.cddb_http)
{
cddb_http_enable (pcddb_conn);
cddb_set_server_name (pcddb_conn, cdng_cfg.cddb_server);
cddb_set_server_port (pcddb_conn, cdng_cfg.cddb_port);
cddb_set_http_path_query (pcddb_conn, cdng_cfg.cddb_path);
}
else
{
cddb_set_server_name (pcddb_conn, cdng_cfg.cddb_server);
cddb_set_server_port (pcddb_conn, cdng_cfg.cddb_port);
}
pcddb_disc = cddb_disc_new ();
lba = cdio_get_track_lba (pcdrom_drive->p_cdio,
CDIO_CDROM_LEADOUT_TRACK);
cddb_disc_set_length (pcddb_disc, FRAMES_TO_SECONDS (lba));
for (trackno = firsttrackno; trackno <= lasttrackno; trackno++)
{
pcddb_track = cddb_track_new ();
cddb_track_set_frame_offset (pcddb_track,
cdio_get_track_lba (
pcdrom_drive->p_cdio,
trackno));
cddb_disc_add_track (pcddb_disc, pcddb_track);
}
cddb_disc_calc_discid (pcddb_disc);
#if DEBUG
guint discid = cddb_disc_get_discid (pcddb_disc);
AUDDBG ("CDDB disc id = %x\n", discid);
#endif
gint matches;
if ((matches = cddb_query (pcddb_conn, pcddb_disc)) == -1)
{
if (cddb_errno (pcddb_conn) == CDDB_ERR_OK)
cdaudio_error ("Failed to query the CDDB server");
else
cdaudio_error ("Failed to query the CDDB server: %s",
cddb_error_str (cddb_errno
(pcddb_conn)));
cddb_disc_destroy (pcddb_disc);
pcddb_disc = NULL;
}
else
{
if (matches == 0)
{
AUDDBG ("no cddb info available for this disc\n");
cddb_disc_destroy (pcddb_disc);
pcddb_disc = NULL;
}
else
{
AUDDBG ("CDDB disc category = \"%s\"\n",
cddb_disc_get_category_str (pcddb_disc));
cddb_read (pcddb_conn, pcddb_disc);
if (cddb_errno (pcddb_conn) != CDDB_ERR_OK)
{
cdaudio_error ("failed to read the cddb info: %s",
cddb_error_str (cddb_errno
(pcddb_conn)));
cddb_disc_destroy (pcddb_disc);
pcddb_disc = NULL;
}
else
{
cdaudio_set_strinfo (&trackinfo[0],
cddb_disc_get_artist
(pcddb_disc),
cddb_disc_get_title
(pcddb_disc),
cddb_disc_get_genre
(pcddb_disc));
gint trackno;
for (trackno = firsttrackno; trackno <= lasttrackno;
trackno++)
{
cddb_track_t *pcddb_track =
cddb_disc_get_track (pcddb_disc,
trackno - 1);
cdaudio_set_strinfo (&trackinfo[trackno],
cddb_track_get_artist
(pcddb_track),
cddb_track_get_title
(pcddb_track),
cddb_disc_get_genre
(pcddb_disc));
}
}
}
}
}
}
if (pcddb_disc != NULL)
cddb_disc_destroy (pcddb_disc);
if (pcddb_conn != NULL)
cddb_destroy (pcddb_conn);
}
return;
ERR:
g_free (trackinfo);
trackinfo = NULL;
}
static PyObject*
CDImage_last_sector(cdio_CDImage* self, PyObject *args) {
return Py_BuildValue("i",
cdio_get_track_last_lsn(self->image,
cdio_get_last_track_num(self->image)));
}
static PyObject*
CDImage_total_tracks(cdio_CDImage* self) {
track_t last_track = cdio_get_last_track_num(self->image);
return Py_BuildValue("i", (int)last_track);
}
/* return 0 if OK, -1 if drive is apparently not available */
int
cdda_scan_drive(char * device_path, cdda_drive_t * cdda_drive) {
track_t tracks;
track_t first_track;
track_t last_track;
track_t skipped = 0;
int i, n = 0;
cdrom_drive_t * d;
if (cdda_drive->cdio == NULL) {
cdda_drive->cdio = cdio_open(device_path, DRIVER_DEVICE);
if (!cdda_drive->cdio) {
return -1;
}
strncpy(cdda_drive->device_path, device_path, CDDA_MAXLEN-1);
}
cdda_drive->disc.n_tracks = 0;
tracks = cdio_get_num_tracks(cdda_drive->cdio);
if (tracks < 1 || tracks >= 100) {
cdda_drive->disc.hash_prev = cdda_drive->disc.hash;
cdda_drive->disc.hash = 0L;
return 0;
}
d = cdio_cddap_identify_cdio(cdda_drive->cdio, 0, NULL);
if (d == NULL) {
return -1;
}
first_track = cdio_get_first_track_num(cdda_drive->cdio);
last_track = cdio_get_last_track_num(cdda_drive->cdio);
for (i = first_track; i <= last_track; i++) {
if (!cdio_cddap_track_audiop(d, i)) {
skipped = i;
last_track = i-1;
break;
}
}
cdio_cddap_close_no_free_cdio(d);
if (last_track < first_track) {
return 0;
}
cdda_drive->disc.n_tracks = last_track - first_track + 1;
for (i = first_track; i <= last_track; i++) {
lsn_t lsn = cdio_get_track_lsn(cdda_drive->cdio, i);
if (lsn != CDIO_INVALID_LSN) {
cdda_drive->disc.toc[n++] = lsn;
}
}
if (skipped == 0) {
cdda_drive->disc.toc[n] = cdio_get_track_lsn(cdda_drive->cdio, CDIO_CDROM_LEADOUT_TRACK);
} else {
cdda_drive->disc.toc[n] = cdio_get_track_lsn(cdda_drive->cdio, skipped);
if ((cdda_drive->disc.toc[n] - cdda_drive->disc.toc[n-1]) >= 11400) {
/* compensate end of track with multisession offset */
cdda_drive->disc.toc[n] -= 11400;
}
}
cdda_drive->disc.hash_prev = cdda_drive->disc.hash;
cdda_drive->disc.hash = calc_cdda_hash(&cdda_drive->disc);
if (cdda_drive->disc.hash != cdda_drive->disc.hash_prev) {
strncpy(cdda_drive->disc.artist_name, _("Unknown Artist"), MAXLEN-1);
strncpy(cdda_drive->disc.record_name, _("Unknown Record"), MAXLEN-1);
cdda_drive->swap_bytes = -1; /* unknown */
}
return 0;
}
static int
CDDAReader_last_track_num_image(cdio_CDDAReader *self)
{
return cdio_get_last_track_num(self->_.image.image);
}
//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;
}