static int getsub_deinterleaved (uae_u8 *dst, struct cdunit *cdu, struct cdtoc *t, int sector)
{
int ret = 0;
uae_sem_wait (&cdu->sub_sem);
if (t->subcode) {
if (t->enctype == ENC_CHD) {
const cdrom_track_info *cti = t->chdtrack;
ret = do_read (cdu, t, dst, sector, cti->datasize, cti->subsize);
if (ret)
ret = t->subcode;
} else if (t->subhandle) {
int offset = 0;
int totalsize = SUB_CHANNEL_SIZE;
if (t->skipsize) {
totalsize += t->size;
offset = t->size;
}
zfile_fseek (t->subhandle, (uae_u64)sector * totalsize + t->suboffset + offset, SEEK_SET);
if (zfile_fread (dst, SUB_CHANNEL_SIZE, 1, t->subhandle) > 0)
ret = t->subcode;
} else {
memcpy (dst, t->subdata + sector * SUB_CHANNEL_SIZE + t->suboffset, SUB_CHANNEL_SIZE);
ret = t->subcode;
}
}
if (!ret) {
memset (dst, 0, SUB_CHANNEL_SIZE);
// regenerate Q-subchannel
uae_u8 *s = dst + 12;
s[0] = (t->ctrl << 4) | (t->adr << 0);
s[1] = tobcd (t - &cdu->toc[0] + 1);
s[2] = tobcd (1);
int msf = lsn2msf (sector);
tolongbcd (s + 7, msf);
msf = lsn2msf (sector - t->address - 150);
tolongbcd (s + 3, msf);
ret = 2;
}
if (ret == 1) {
uae_u8 tmp[SUB_CHANNEL_SIZE];
memcpy (tmp, dst, SUB_CHANNEL_SIZE);
sub_to_deinterleaved (tmp, dst);
ret = 2;
}
uae_sem_post (&cdu->sub_sem);
return ret;
}
static int get_toc (void)
{
uae_u32 msf;
uae_u8 *p, *pl;
cdtvcr_4510_ram[CDTVCR_SYS_STATE] &= ~4;
datatrack = 0;
if (!sys_command_cd_toc (unitnum, &toc))
return 0;
cdtvcr_4510_ram[CDTVCR_SYS_STATE] |= 4 | 8;
if (toc.first_track == 1 && (toc.toc[toc.first_track_offset].control & 0x0c) == 0x04)
datatrack = 1;
p = &cdtvcr_4510_ram[CDTVCR_TOC];
cdtvcr_4510_ram[CDTVCR_PLAYLIST_CURRENT] = 0;
cdtvcr_4510_ram[CDTVCR_PLAYLIST_ENTRIES] = 0;
pl = &cdtvcr_4510_ram[CDTVCR_PLAYLIST_DATA];
p[0] = toc.first_track;
p[1] = toc.last_track;
msf = lsn2msf(toc.lastaddress);
p[2] = msf >> 16;
p[3] = msf >> 8;
p[4] = msf >> 0;
p += 5;
for (int j = toc.first_track_offset; j <= toc.last_track_offset; j++) {
struct cd_toc *s = &toc.toc[j];
p[0] = (s->adr << 0) | (s->control << 4);
p[1] = s->track;
msf = lsn2msf(s->address);
p[2] = msf >> 16;
p[3] = msf >> 8;
p[4] = msf >> 0;
p += 5;
*pl++ = s->track | 0x80;
cdtvcr_4510_ram[CDTVCR_PLAYLIST_ENTRIES]++;
}
return 1;
}
/**
* Parse CDDB text
*/
Cddb::Album& Cddb::Album::operator =(const QString& rhs)
{
discGenre.clear();
discID = 0;
artist.clear();
title.clear();
genre.clear();
year = 0;
submitter = "MythTV " MYTH_BINARY_VERSION;
rev = 1;
isCompilation = false;
tracks.clear();
toc.clear();
extd.clear();
ext.clear();
enum { kNorm, kToc } eState = kNorm;
QString cddb = QString::fromUtf8(rhs.toLatin1().constData());
while (!cddb.isEmpty())
{
// Lines should be of the form "FIELD=value\r\n"
QString line = cddb.section(QRegExp("[\r\n]"), 0, 0);
if (line.startsWith("# Track frame offsets:"))
{
eState = kToc;
}
else if (line.startsWith("# Disc length:"))
{
QString s = line.section(QRegExp("[ \t]"), 3, 3);
unsigned secs = s.toULong();
if (toc.size())
secs -= msf2sec(toc[0]);
toc.push_back(sec2msf(secs));
eState = kNorm;
}
else if (line.startsWith("# Revision:"))
{
QString s = line.section(QRegExp("[ \t]"), 2, 2);
bool bValid = false;
int v = s.toInt(&bValid);
if (bValid)
rev = v;
}
else if (line.startsWith("# Submitted via:"))
{
submitter = line.section(QRegExp("[ \t]"), 3, 3);
}
else if (line.startsWith("#"))
{
if (kToc == eState)
{
bool bValid = false;
QString s = line.section(QRegExp("[ \t]"), 1).trimmed();
unsigned long lsn = s.toUInt(&bValid);
if (bValid)
toc.push_back(lsn2msf(lsn));
else
eState = kNorm;
}
}
else
{
QString value = line.section('=', 1, 1);
QString art;
if (value.contains(" / "))
{
art = value.section(" / ", 0, 0); // Artist in *TITLE
value = value.section(" / ", 1, 1);
}
if (line.startsWith("DISCID="))
{
bool isValid = false;
ulong discID2 = value.toULong(&isValid,16);
if (isValid)
discID = discID2;
}
else if (line.startsWith("DTITLE="))
{
// Albums (and maybe artists?) can wrap over multiple lines:
artist += art;
title += value;
}
else if (line.startsWith("DYEAR="))
{
bool isValid = false;
int val = value.toInt(&isValid);
if (isValid)
year = val;
}
else if (line.startsWith("DGENRE="))
{
if (!value.isEmpty())
genre = value;
}
else if (line.startsWith("TTITLE"))
{
int trk = line.remove("TTITLE").section('=', 0, 0).toInt();
if (trk >= 0 && trk < CDROM_LEADOUT_TRACK)
{
if (trk >= tracks.size())
tracks.resize(trk + 1);
Cddb::Track& track = tracks[trk];
// Titles can wrap over multiple lines, so we load+store:
track.title += value;
track.artist += art;
if (art.length())
isCompilation = true;
}
}
else if (line.startsWith("EXTD="))
{
if (!value.isEmpty())
extd = value;
}
else if (line.startsWith("EXTT"))
{
int trk = line.remove("EXTT").section('=', 0, 0).toInt();
if (trk >= 0 && trk < CDROM_LEADOUT_TRACK)
{
if (trk >= ext.size())
ext.resize(trk + 1);
ext[trk] = value;
}
}
}
// Next response line:
cddb = cddb.section('\n', 1);
}
return *this;
}
/* read qcode */
static int ioctl_command_qcode (int unitnum, uae_u8 *buf, int sector)
{
struct dev_info_ioctl *ciw = unitisopen (unitnum);
if (!ciw)
return 0;
uae_u8 *p;
int trk;
CDROM_TOC *toc = &ciw->cdromtoc;
int pos;
int msf;
int start, end;
int status;
bool valid = false;
bool regenerate = true;
memset (buf, 0, SUBQ_SIZE);
p = buf;
status = AUDIO_STATUS_NO_STATUS;
if (ciw->cdda_play) {
status = AUDIO_STATUS_IN_PROGRESS;
if (ciw->cdda_paused)
status = AUDIO_STATUS_PAUSED;
} else if (ciw->cdda_play_finished) {
status = AUDIO_STATUS_PLAY_COMPLETE;
}
p[1] = status;
p[3] = 12;
p = buf + 4;
if (sector < 0)
pos = ciw->cd_last_pos;
else
pos = sector;
if (!regenerate) {
if (sector < 0 && ciw->subcodevalid && ciw->cdda_play) {
uae_sem_wait (&ciw->sub_sem2);
uae_u8 subbuf[SUB_CHANNEL_SIZE];
sub_deinterleave (ciw->subcodebuf, subbuf);
memcpy (p, subbuf + 12, 12);
uae_sem_post (&ciw->sub_sem2);
valid = true;
}
if (!valid && sector >= 0) {
DWORD len;
uae_sem_wait (&ciw->sub_sem);
seterrormode (ciw);
RAW_READ_INFO rri;
rri.DiskOffset.QuadPart = 2048 * (pos + 0);
rri.SectorCount = 1;
rri.TrackMode = RawWithSubCode;
memset (ciw->tempbuffer, 0, CD_RAW_SECTOR_WITH_SUBCODE_SIZE);
if (!DeviceIoControl (ciw->h, IOCTL_CDROM_RAW_READ, &rri, sizeof rri, ciw->tempbuffer, CD_RAW_SECTOR_WITH_SUBCODE_SIZE, &len, NULL)) {
DWORD err = GetLastError ();
write_log (_T("IOCTL_CDROM_RAW_READ SUBQ CDDA sector %d returned %d\n"), pos, err);
}
reseterrormode (ciw);
uae_u8 subbuf[SUB_CHANNEL_SIZE];
sub_deinterleave (ciw->tempbuffer + 2352, subbuf);
uae_sem_post (&ciw->sub_sem);
memcpy (p, subbuf + 12, 12);
valid = true;
}
}
if (!valid) {
start = end = 0;
for (trk = 0; trk <= toc->LastTrack; trk++) {
TRACK_DATA *td = &toc->TrackData[trk];
start = msf2lsn ((td->Address[1] << 16) | (td->Address[2] << 8) | td->Address[3]);
end = msf2lsn ((td[1].Address[1] << 16) | (td[1].Address[2] << 8) | td[1].Address[3]);
if (pos < start)
break;
if (pos >= start && pos < end)
break;
}
p[0] = (toc->TrackData[trk].Control << 4) | (toc->TrackData[trk].Adr << 0);
p[1] = tobcd (trk + 1);
p[2] = tobcd (1);
msf = lsn2msf (pos);
tolongbcd (p + 7, msf);
msf = lsn2msf (pos - start - 150);
tolongbcd (p + 3, msf);
}
// write_log (_T("%6d %02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x\n"),
// pos, p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], p[8], p[9], p[10], p[11]);
return 1;
}
