DvbStream::DvbStream( Device *d, const QString &charset, EventTable *et )
{
dvbDevice = d;
isRunning = false;
timeShifting = false;
waitPause = 0;
delOut = 0;
fdFrontend = fdDvr = 0;
ndmx = 0;
currentTransponder = Transponder();
frontendName = QString("/dev/dvb/adapter%1/frontend%2").arg( dvbDevice->adapter ).arg( dvbDevice->tuner );
dvrName = QString("/dev/dvb/adapter%1/dvr%2").arg( dvbDevice->adapter ).arg( dvbDevice->tuner );
demuxName = QString("/dev/dvb/adapter%1/demux%2").arg( dvbDevice->adapter ).arg( dvbDevice->tuner );
out.setAutoDelete( true );
QString deviceType="NONE";
switch ( dvbDevice->type ) {
case FE_QPSK: deviceType = "DVBS"; break;
case FE_OFDM: deviceType = "DVBT"; break;
case FE_QAM: deviceType = "DVBC"; break;
case FE_ATSC: deviceType = "DVBA"; break;
}
dvbEvents = new DVBevents( deviceType, dvbDevice->adapter, dvbDevice->tuner, charset, et );
camProbed = false;
cam = NULL;
plug = NULL;
connect( &statusTimer, SIGNAL(timeout()), this, SLOT(checkStatus()) );
}
void cEitFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length)
{
switch (Pid) {
case 0x12: {
cSchedulesLock SchedulesLock(true, 10);
cSchedules *Schedules = (cSchedules *)cSchedules::Schedules(SchedulesLock);
if (Schedules)
cEIT EIT(Schedules, Source(), Tid, Data);
else {
// If we don't get a write lock, let's at least get a read lock, so
// that we can set the running status and 'seen' timestamp (well, actually
// with a read lock we shouldn't be doing that, but it's only integers that
// get changed, so it should be ok)
cSchedulesLock SchedulesLock(false, 50);
cSchedules *Schedules = (cSchedules *)cSchedules::Schedules(SchedulesLock);
if (Schedules)
cEIT EIT(Schedules, Source(), Tid, Data, true);
}
}
break;
case 0x14: {
if (Setup.SetSystemTime && Setup.TimeTransponder && ISTRANSPONDER(Transponder(), Setup.TimeTransponder))
cTDT TDT(Data);
}
break;
}
}
int cScanData::Compare(const cListObject &ListObject) const
{
const cScanData *sd = (const cScanData *)&ListObject;
int r = Source() - sd->Source();
if (r == 0)
r = Transponder() - sd->Transponder();
return r;
}
int cChannel::Transponder(void) const
{
int tf = frequency;
while (tf > 20000)
tf /= 1000;
if (IsSat())
tf = Transponder(tf, polarization);
return tf;
}
int cChannel::Transponder(void) const
{
int tf = frequency;
while (tf > 20000)
tf /= 1000;
if (IsSat()) {
const char *p = strpbrk(parameters, "HVLRhvlr"); // lowercase for backwards compatibility
if (p)
tf = Transponder(tf, *p);
}
return tf;
}
bool DvbStream::closeFe()
{
if ( !fdFrontend )
return true;
if ( close( fdFrontend )<0 ) {
perror("closeFe: ");
return false;
}
fprintf(stderr,"Frontend closed\n");
fdFrontend = 0;
currentTransponder = Transponder();
return true;
}
void cLivePatFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length)
{
if (Pid == 0x00)
{
if (Tid == 0x00)
{
SI::PAT pat(Data, false);
if (!pat.CheckCRCAndParse())
return;
SI::PAT::Association assoc;
for (SI::Loop::Iterator it; pat.associationLoop.getNext(assoc, it); )
{
if (!assoc.isNITPid())
{
const cChannel *Channel = Channels.GetByServiceID(Source(), Transponder(), assoc.getServiceId());
if (Channel && (Channel == m_Channel))
{
int prevPmtPid = m_pmtPid;
if (0 != (m_pmtPid = assoc.getPid()))
{
if (m_pmtPid != prevPmtPid)
{
m_pmtSid = assoc.getServiceId();
Add(m_pmtPid, 0x02);
m_pmtVersion = -1;
break;
}
return;
}
}
}
}
}
}
else if (Pid == m_pmtPid && Tid == SI::TableIdPMT && Source() && Transponder())
{
SI::PMT pmt(Data, false);
if (!pmt.CheckCRCAndParse())
return;
if (pmt.getServiceId() != m_pmtSid)
return; // skip broken PMT records
if (m_pmtVersion != -1)
{
if (m_pmtVersion != pmt.getVersionNumber())
{
cFilter::Del(m_pmtPid, 0x02);
m_pmtPid = 0; // this triggers PAT scan
}
return;
}
m_pmtVersion = pmt.getVersionNumber();
cChannel *Channel = Channels.GetByServiceID(Source(), Transponder(), pmt.getServiceId());
if (Channel) {
// Scan the stream-specific loop:
SI::PMT::Stream stream;
int Vpid = 0;
int Ppid = 0;
int Vtype = 0;
int Apids[MAXAPIDS + 1] = { 0 }; // these lists are zero-terminated
int Atypes[MAXAPIDS + 1] = { 0 };
int Dpids[MAXDPIDS + 1] = { 0 };
int Dtypes[MAXDPIDS + 1] = { 0 };
int Spids[MAXSPIDS + 1] = { 0 };
uchar SubtitlingTypes[MAXSPIDS + 1] = { 0 };
uint16_t CompositionPageIds[MAXSPIDS + 1] = { 0 };
uint16_t AncillaryPageIds[MAXSPIDS + 1] = { 0 };
char ALangs[MAXAPIDS][MAXLANGCODE2] = { "" };
char DLangs[MAXDPIDS][MAXLANGCODE2] = { "" };
char SLangs[MAXSPIDS][MAXLANGCODE2] = { "" };
int Tpid = 0;
int NumApids = 0;
int NumDpids = 0;
int NumSpids = 0;
for (SI::Loop::Iterator it; pmt.streamLoop.getNext(stream, it); ) {
bool ProcessCaDescriptors = false;
int esPid = stream.getPid();
switch (stream.getStreamType()) {
case 1: // STREAMTYPE_11172_VIDEO
case 2: // STREAMTYPE_13818_VIDEO
case 0x1B: // MPEG4
Vpid = esPid;
Ppid = pmt.getPCRPid();
Vtype = stream.getStreamType();
ProcessCaDescriptors = true;
break;
case 3: // STREAMTYPE_11172_AUDIO
case 4: // STREAMTYPE_13818_AUDIO
case 0x0F: // ISO/IEC 13818-7 Audio with ADTS transport syntax
case 0x11: // ISO/IEC 14496-3 Audio with LATM transport syntax
{
if (NumApids < MAXAPIDS) {
Apids[NumApids] = esPid;
Atypes[NumApids] = stream.getStreamType();
SI::Descriptor *d;
for (SI::Loop::Iterator it; (d = stream.streamDescriptors.getNext(it)); ) {
switch (d->getDescriptorTag()) {
case SI::ISO639LanguageDescriptorTag: {
SI::ISO639LanguageDescriptor *ld = (SI::ISO639LanguageDescriptor *)d;
SI::ISO639LanguageDescriptor::Language l;
char *s = ALangs[NumApids];
int n = 0;
for (SI::Loop::Iterator it; ld->languageLoop.getNext(l, it); ) {
if (*ld->languageCode != '-') { // some use "---" to indicate "none"
if (n > 0)
*s++ = '+';
strn0cpy(s, I18nNormalizeLanguageCode(l.languageCode), MAXLANGCODE1);
s += strlen(s);
if (n++ > 1)
break;
}
}
}
break;
default: ;
}
delete d;
}
NumApids++;
}
ProcessCaDescriptors = true;
}
break;
case 5: // STREAMTYPE_13818_PRIVATE
case 6: // STREAMTYPE_13818_PES_PRIVATE
//XXX case 8: // STREAMTYPE_13818_DSMCC
{
int dpid = 0;
int dtype = 0;
char lang[MAXLANGCODE1] = { 0 };
SI::Descriptor *d;
for (SI::Loop::Iterator it; (d = stream.streamDescriptors.getNext(it)); ) {
switch (d->getDescriptorTag()) {
case SI::AC3DescriptorTag:
case SI::EnhancedAC3DescriptorTag:
dpid = esPid;
dtype = d->getDescriptorTag();
ProcessCaDescriptors = true;
break;
case SI::SubtitlingDescriptorTag:
if (NumSpids < MAXSPIDS) {
Spids[NumSpids] = esPid;
SI::SubtitlingDescriptor *sd = (SI::SubtitlingDescriptor *)d;
SI::SubtitlingDescriptor::Subtitling sub;
char *s = SLangs[NumSpids];
int n = 0;
for (SI::Loop::Iterator it; sd->subtitlingLoop.getNext(sub, it); ) {
if (sub.languageCode[0]) {
SubtitlingTypes[NumSpids] = sub.getSubtitlingType();
CompositionPageIds[NumSpids] = sub.getCompositionPageId();
AncillaryPageIds[NumSpids] = sub.getAncillaryPageId();
if (n > 0)
*s++ = '+';
strn0cpy(s, I18nNormalizeLanguageCode(sub.languageCode), MAXLANGCODE1);
s += strlen(s);
if (n++ > 1)
break;
}
}
NumSpids++;
}
break;
case SI::TeletextDescriptorTag:
Tpid = esPid;
break;
case SI::ISO639LanguageDescriptorTag: {
SI::ISO639LanguageDescriptor *ld = (SI::ISO639LanguageDescriptor *)d;
strn0cpy(lang, I18nNormalizeLanguageCode(ld->languageCode), MAXLANGCODE1);
}
break;
default: ;
}
delete d;
}
if (dpid) {
if (NumDpids < MAXDPIDS) {
Dpids[NumDpids] = dpid;
Dtypes[NumDpids] = dtype;
strn0cpy(DLangs[NumDpids], lang, MAXLANGCODE1);
NumDpids++;
}
}
}
break;
case 0x80: // STREAMTYPE_USER_PRIVATE
#if APIVERSNUM >= 10728
if (Setup.StandardCompliance == STANDARD_ANSISCTE)
#endif
{ // DigiCipher II VIDEO (ANSI/SCTE 57)
Vpid = esPid;
Ppid = pmt.getPCRPid();
Vtype = 0x02; // compression based upon MPEG-2
ProcessCaDescriptors = true;
break;
}
// fall through
case 0x81: // STREAMTYPE_USER_PRIVATE
#if APIVERSNUM >= 10728
if (Setup.StandardCompliance == STANDARD_ANSISCTE)
#endif
{ // ATSC A/53 AUDIO (ANSI/SCTE 57)
char lang[MAXLANGCODE1] = { 0 };
SI::Descriptor *d;
for (SI::Loop::Iterator it; (d = stream.streamDescriptors.getNext(it)); ) {
switch (d->getDescriptorTag()) {
case SI::ISO639LanguageDescriptorTag: {
SI::ISO639LanguageDescriptor *ld = (SI::ISO639LanguageDescriptor *)d;
strn0cpy(lang, I18nNormalizeLanguageCode(ld->languageCode), MAXLANGCODE1);
}
break;
default: ;
}
delete d;
}
if (NumDpids < MAXDPIDS) {
Dpids[NumDpids] = esPid;
Dtypes[NumDpids] = SI::AC3DescriptorTag;
strn0cpy(DLangs[NumDpids], lang, MAXLANGCODE1);
NumDpids++;
}
ProcessCaDescriptors = true;
break;
}
// fall through
case 0x82: // STREAMTYPE_USER_PRIVATE
#if APIVERSNUM >= 10728
if (Setup.StandardCompliance == STANDARD_ANSISCTE)
#endif
{ // STANDARD SUBTITLE (ANSI/SCTE 27)
//TODO
break;
}
// fall through
case 0x83 ... 0xFF: // STREAMTYPE_USER_PRIVATE
{
char lang[MAXLANGCODE1] = { 0 };
bool IsAc3 = false;
SI::Descriptor *d;
for (SI::Loop::Iterator it; (d = stream.streamDescriptors.getNext(it)); ) {
switch (d->getDescriptorTag()) {
case SI::RegistrationDescriptorTag: {
SI::RegistrationDescriptor *rd = (SI::RegistrationDescriptor *)d;
// http://www.smpte-ra.org/mpegreg/mpegreg.html
switch (rd->getFormatIdentifier()) {
case 0x41432D33: // 'AC-3'
IsAc3 = true;
break;
default:
//printf("Format identifier: 0x%08X (pid: %d)\n", rd->getFormatIdentifier(), esPid);
break;
}
}
break;
case SI::ISO639LanguageDescriptorTag: {
SI::ISO639LanguageDescriptor *ld = (SI::ISO639LanguageDescriptor *)d;
strn0cpy(lang, I18nNormalizeLanguageCode(ld->languageCode), MAXLANGCODE1);
}
break;
default: ;
}
delete d;
}
if (IsAc3) {
if (NumDpids < MAXDPIDS) {
Dpids[NumDpids] = esPid;
Dtypes[NumDpids] = SI::AC3DescriptorTag;
strn0cpy(DLangs[NumDpids], lang, MAXLANGCODE1);
NumDpids++;
}
ProcessCaDescriptors = true;
}
}
break;
default: ;//printf("PID: %5d %5d %2d %3d %3d\n", pmt.getServiceId(), stream.getPid(), stream.getStreamType(), pmt.getVersionNumber(), Channel->Number());
}
}
cChannel pmtChannel(*Channel);
pmtChannel.SetPids(Vpid, Ppid, Vtype, Apids, Atypes, ALangs, Dpids, Dtypes, DLangs, Spids, SLangs, Tpid);
pmtChannel.SetSubtitlingDescriptors(SubtitlingTypes, CompositionPageIds, AncillaryPageIds);
m_Streamer->SetTpid(Tpid);
cPatPmtGenerator patPmtGenerator(&pmtChannel);
m_Streamer->m_bufferLock.Lock();
m_Streamer->Put(patPmtGenerator.GetPat(), TS_SIZE);
int Index = 0;
while (uchar *pmt = patPmtGenerator.GetPmt(Index))
m_Streamer->Put(pmt, TS_SIZE);
m_Streamer->m_bufferLock.Unlock();
}
}
void cNitFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length)
{
SI::NIT nit(Data, false);
if (!nit.CheckCRCAndParse())
return;
// Some broadcasters send more than one NIT, with no apparent way of telling which
// one is the right one to use. This is an attempt to find the NIT that contains
// the transponder it was transmitted on and use only that one:
int ThisNIT = -1;
if (!networkId) {
for (int i = 0; i < numNits; i++) {
if (nits[i].networkId == nit.getNetworkId()) {
if (nit.getSectionNumber() == 0) {
// all NITs have passed by
for (int j = 0; j < numNits; j++) {
if (nits[j].hasTransponder) {
networkId = nits[j].networkId;
//printf("taking NIT with network ID %d\n", networkId);
//XXX what if more than one NIT contains this transponder???
break;
}
}
if (!networkId) {
//printf("none of the NITs contains transponder %d\n", Transponder());
return;
}
}
else {
ThisNIT = i;
break;
}
}
}
if (!networkId && ThisNIT < 0 && numNits < MAXNITS) {
if (nit.getSectionNumber() == 0) {
*nits[numNits].name = 0;
SI::Descriptor *d;
for (SI::Loop::Iterator it; (d = nit.commonDescriptors.getNext(it)); ) {
switch (d->getDescriptorTag()) {
case SI::NetworkNameDescriptorTag: {
SI::NetworkNameDescriptor *nnd = (SI::NetworkNameDescriptor *)d;
#ifdef USE_PROVIDERCHARSET
nnd->name.getText(nits[numNits].name, MAXNETWORKNAME, NULL);
#else
nnd->name.getText(nits[numNits].name, MAXNETWORKNAME);
#endif
}
break;
default: ;
}
delete d;
}
nits[numNits].networkId = nit.getNetworkId();
nits[numNits].hasTransponder = false;
//printf("NIT[%d] %5d '%s'\n", numNits, nits[numNits].networkId, nits[numNits].name);
ThisNIT = numNits;
numNits++;
}
}
}
else if (networkId != nit.getNetworkId())
return; // ignore all other NITs
else if (!sectionSyncer.Sync(nit.getVersionNumber(), nit.getSectionNumber(), nit.getLastSectionNumber()))
return;
if (!Channels.Lock(true, 10))
return;
SI::NIT::TransportStream ts;
for (SI::Loop::Iterator it; nit.transportStreamLoop.getNext(ts, it); ) {
SI::Descriptor *d;
SI::Loop::Iterator it2;
SI::FrequencyListDescriptor *fld = (SI::FrequencyListDescriptor *)ts.transportStreamDescriptors.getNext(it2, SI::FrequencyListDescriptorTag);
int NumFrequencies = fld ? fld->frequencies.getCount() + 1 : 1;
int Frequencies[NumFrequencies];
if (fld) {
int ct = fld->getCodingType();
if (ct > 0) {
int n = 1;
for (SI::Loop::Iterator it3; fld->frequencies.hasNext(it3); ) {
int f = fld->frequencies.getNext(it3);
switch (ct) {
case 1: f = BCD2INT(f) / 100; break;
case 2: f = BCD2INT(f) / 10; break;
case 3: f = f * 10; break;
default: ;
}
Frequencies[n++] = f;
}
}
else
NumFrequencies = 1;
}
delete fld;
for (SI::Loop::Iterator it2; (d = ts.transportStreamDescriptors.getNext(it2)); ) {
switch (d->getDescriptorTag()) {
case SI::SatelliteDeliverySystemDescriptorTag: {
SI::SatelliteDeliverySystemDescriptor *sd = (SI::SatelliteDeliverySystemDescriptor *)d;
cDvbTransponderParameters dtp;
int Source = cSource::FromData(cSource::stSat, BCD2INT(sd->getOrbitalPosition()), sd->getWestEastFlag());
int Frequency = Frequencies[0] = BCD2INT(sd->getFrequency()) / 100;
static char Polarizations[] = { 'H', 'V', 'L', 'R' };
dtp.SetPolarization(Polarizations[sd->getPolarization()]);
static int CodeRates[] = { FEC_NONE, FEC_1_2, FEC_2_3, FEC_3_4, FEC_5_6, FEC_7_8, FEC_8_9, FEC_3_5, FEC_4_5, FEC_9_10, FEC_AUTO, FEC_AUTO, FEC_AUTO, FEC_AUTO, FEC_AUTO, FEC_NONE };
dtp.SetCoderateH(CodeRates[sd->getFecInner()]);
static int Modulations[] = { QAM_AUTO, QPSK, PSK_8, QAM_16 };
dtp.SetModulation(Modulations[sd->getModulationType()]);
dtp.SetSystem(sd->getModulationSystem() ? SYS_DVBS2 : SYS_DVBS);
static int RollOffs[] = { ROLLOFF_35, ROLLOFF_25, ROLLOFF_20, ROLLOFF_AUTO };
dtp.SetRollOff(sd->getModulationSystem() ? RollOffs[sd->getRollOff()] : ROLLOFF_AUTO);
int SymbolRate = BCD2INT(sd->getSymbolRate()) / 10;
if (ThisNIT >= 0) {
for (int n = 0; n < NumFrequencies; n++) {
if (ISTRANSPONDER(cChannel::Transponder(Frequencies[n], dtp.Polarization()), Transponder())) {
nits[ThisNIT].hasTransponder = true;
//printf("has transponder %d\n", Transponder());
break;
}
}
break;
}
if (Setup.UpdateChannels >= 5) {
bool found = false;
bool forceTransponderUpdate = false;
for (cChannel *Channel = Channels.First(); Channel; Channel = Channels.Next(Channel)) {
if (!Channel->GroupSep() && Channel->Source() == Source && Channel->Nid() == ts.getOriginalNetworkId() && Channel->Tid() == ts.getTransportStreamId()) {
int transponder = Channel->Transponder();
found = true;
if (!ISTRANSPONDER(cChannel::Transponder(Frequency, dtp.Polarization()), transponder)) {
for (int n = 0; n < NumFrequencies; n++) {
if (ISTRANSPONDER(cChannel::Transponder(Frequencies[n], dtp.Polarization()), transponder)) {
Frequency = Frequencies[n];
break;
}
}
}
if (ISTRANSPONDER(cChannel::Transponder(Frequency, dtp.Polarization()), Transponder())) // only modify channels if we're actually receiving this transponder
Channel->SetTransponderData(Source, Frequency, SymbolRate, dtp.ToString('S'));
else if (Channel->Srate() != SymbolRate || strcmp(Channel->Parameters(), dtp.ToString('S')))
forceTransponderUpdate = true; // get us receiving this transponder
}
}
if (!found || forceTransponderUpdate) {
for (int n = 0; n < NumFrequencies; n++) {
cChannel *Channel = new cChannel;
Channel->SetId(ts.getOriginalNetworkId(), ts.getTransportStreamId(), 0, 0);
if (Channel->SetTransponderData(Source, Frequencies[n], SymbolRate, dtp.ToString('S')))
EITScanner.AddTransponder(Channel);
else
delete Channel;
}
}
}
}
break;
case SI::CableDeliverySystemDescriptorTag: {
SI::CableDeliverySystemDescriptor *sd = (SI::CableDeliverySystemDescriptor *)d;
cDvbTransponderParameters dtp;
int Source = cSource::FromData(cSource::stCable);
int Frequency = Frequencies[0] = BCD2INT(sd->getFrequency()) / 10;
//XXX FEC_outer???
static int CodeRates[] = { FEC_NONE, FEC_1_2, FEC_2_3, FEC_3_4, FEC_5_6, FEC_7_8, FEC_8_9, FEC_3_5, FEC_4_5, FEC_9_10, FEC_AUTO, FEC_AUTO, FEC_AUTO, FEC_AUTO, FEC_AUTO, FEC_NONE };
dtp.SetCoderateH(CodeRates[sd->getFecInner()]);
static int Modulations[] = { QPSK, QAM_16, QAM_32, QAM_64, QAM_128, QAM_256, QAM_AUTO };
dtp.SetModulation(Modulations[min(sd->getModulation(), 6)]);
int SymbolRate = BCD2INT(sd->getSymbolRate()) / 10;
if (ThisNIT >= 0) {
for (int n = 0; n < NumFrequencies; n++) {
if (ISTRANSPONDER(Frequencies[n] / 1000, Transponder())) {
nits[ThisNIT].hasTransponder = true;
//printf("has transponder %d\n", Transponder());
break;
}
}
break;
}
if (Setup.UpdateChannels >= 5) {
bool found = false;
bool forceTransponderUpdate = false;
for (cChannel *Channel = Channels.First(); Channel; Channel = Channels.Next(Channel)) {
if (!Channel->GroupSep() && Channel->Source() == Source && Channel->Nid() == ts.getOriginalNetworkId() && Channel->Tid() == ts.getTransportStreamId()) {
int transponder = Channel->Transponder();
found = true;
if (!ISTRANSPONDER(Frequency / 1000, transponder)) {
for (int n = 0; n < NumFrequencies; n++) {
if (ISTRANSPONDER(Frequencies[n] / 1000, transponder)) {
Frequency = Frequencies[n];
break;
}
}
}
if (ISTRANSPONDER(Frequency / 1000, Transponder())) // only modify channels if we're actually receiving this transponder
Channel->SetTransponderData(Source, Frequency, SymbolRate, dtp.ToString('C'));
else if (Channel->Srate() != SymbolRate || strcmp(Channel->Parameters(), dtp.ToString('C')))
forceTransponderUpdate = true; // get us receiving this transponder
}
}
if (!found || forceTransponderUpdate) {
for (int n = 0; n < NumFrequencies; n++) {
cChannel *Channel = new cChannel;
Channel->SetId(ts.getOriginalNetworkId(), ts.getTransportStreamId(), 0, 0);
if (Channel->SetTransponderData(Source, Frequencies[n], SymbolRate, dtp.ToString('C')))
EITScanner.AddTransponder(Channel);
else
delete Channel;
}
}
}
}
break;
case SI::TerrestrialDeliverySystemDescriptorTag: {
SI::TerrestrialDeliverySystemDescriptor *sd = (SI::TerrestrialDeliverySystemDescriptor *)d;
cDvbTransponderParameters dtp;
int Source = cSource::FromData(cSource::stTerr);
int Frequency = Frequencies[0] = sd->getFrequency() * 10;
static int Bandwidths[] = { 8000000, 7000000, 6000000, 0, 0, 0, 0, 0 };
dtp.SetBandwidth(Bandwidths[sd->getBandwidth()]);
static int Constellations[] = { QPSK, QAM_16, QAM_64, QAM_AUTO };
dtp.SetModulation(Constellations[sd->getConstellation()]);
static int Hierarchies[] = { HIERARCHY_NONE, HIERARCHY_1, HIERARCHY_2, HIERARCHY_4, HIERARCHY_AUTO, HIERARCHY_AUTO, HIERARCHY_AUTO, HIERARCHY_AUTO };
dtp.SetHierarchy(Hierarchies[sd->getHierarchy()]);
static int CodeRates[] = { FEC_1_2, FEC_2_3, FEC_3_4, FEC_5_6, FEC_7_8, FEC_AUTO, FEC_AUTO, FEC_AUTO };
dtp.SetCoderateH(CodeRates[sd->getCodeRateHP()]);
dtp.SetCoderateL(CodeRates[sd->getCodeRateLP()]);
static int GuardIntervals[] = { GUARD_INTERVAL_1_32, GUARD_INTERVAL_1_16, GUARD_INTERVAL_1_8, GUARD_INTERVAL_1_4 };
dtp.SetGuard(GuardIntervals[sd->getGuardInterval()]);
static int TransmissionModes[] = { TRANSMISSION_MODE_2K, TRANSMISSION_MODE_8K, TRANSMISSION_MODE_AUTO, TRANSMISSION_MODE_AUTO };
dtp.SetTransmission(TransmissionModes[sd->getTransmissionMode()]);
if (ThisNIT >= 0) {
for (int n = 0; n < NumFrequencies; n++) {
if (ISTRANSPONDER(Frequencies[n] / 1000000, Transponder())) {
nits[ThisNIT].hasTransponder = true;
//printf("has transponder %d\n", Transponder());
break;
}
}
break;
}
if (Setup.UpdateChannels >= 5) {
bool found = false;
bool forceTransponderUpdate = false;
for (cChannel *Channel = Channels.First(); Channel; Channel = Channels.Next(Channel)) {
if (!Channel->GroupSep() && Channel->Source() == Source && Channel->Nid() == ts.getOriginalNetworkId() && Channel->Tid() == ts.getTransportStreamId()) {
int transponder = Channel->Transponder();
found = true;
if (!ISTRANSPONDER(Frequency / 1000000, transponder)) {
for (int n = 0; n < NumFrequencies; n++) {
if (ISTRANSPONDER(Frequencies[n] / 1000000, transponder)) {
Frequency = Frequencies[n];
break;
}
}
}
if (ISTRANSPONDER(Frequency / 1000000, Transponder())) // only modify channels if we're actually receiving this transponder
Channel->SetTransponderData(Source, Frequency, 0, dtp.ToString('T'));
else if (strcmp(Channel->Parameters(), dtp.ToString('T')))
forceTransponderUpdate = true; // get us receiving this transponder
}
}
if (!found || forceTransponderUpdate) {
for (int n = 0; n < NumFrequencies; n++) {
cChannel *Channel = new cChannel;
Channel->SetId(ts.getOriginalNetworkId(), ts.getTransportStreamId(), 0, 0);
if (Channel->SetTransponderData(Source, Frequencies[n], 0, dtp.ToString('T')))
EITScanner.AddTransponder(Channel);
else
delete Channel;
}
}
}
}
break;
default: ;
}
delete d;
}
}
Channels.Unlock();
}
void cLivePatFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length)
{
if (Pid == 0x00 && Tid == 0x00)
{
SI::PAT pat(Data, false);
if (!pat.CheckCRCAndParse())
return;
SI::PAT::Association assoc;
for (SI::Loop::Iterator it; pat.associationLoop.getNext(assoc, it); )
{
if (!assoc.isNITPid())
{
XVDRChannels.Lock(false);
const cChannel *Channel = XVDRChannels.Get()->GetByServiceID(Source(), Transponder(), assoc.getServiceId());
if (Channel && (Channel == m_Channel))
{
int prevPmtPid = m_pmtPid;
if (0 != (m_pmtPid = assoc.getPid()))
{
m_pmtSid = assoc.getServiceId();
if (m_pmtPid != prevPmtPid)
{
Add(m_pmtPid, 0x02);
m_pmtVersion = -1;
}
XVDRChannels.Unlock();
return;
}
}
XVDRChannels.Unlock();
}
}
}
else if (Pid == m_pmtPid && Tid == SI::TableIdPMT && Source() && Transponder())
{
SI::PMT pmt(Data, false);
if (!pmt.CheckCRCAndParse() || pmt.getServiceId() != m_pmtSid)
return;
if (m_pmtVersion != -1)
{
if (m_pmtVersion != pmt.getVersionNumber())
{
cFilter::Del(m_pmtPid, 0x02);
m_pmtPid = 0; // this triggers PAT scan
}
return;
}
m_pmtVersion = pmt.getVersionNumber();
// get cached channel data
if(m_ChannelCache.size() == 0)
m_ChannelCache = cChannelCache::GetFromCache(CreateChannelUID(m_Channel));
// get all streams and check if there are new (currently unknown) streams
SI::PMT::Stream stream;
cChannelCache cache;
for (SI::Loop::Iterator it; pmt.streamLoop.getNext(stream, it); )
{
cStreamInfo info;
if (GetStreamInfo(stream, info) && cache.size() < MAXRECEIVEPIDS) {
info.SetContent();
cache.AddStream(info);
}
}
// no new streams found -> exit
if (m_ChannelCache.ismetaof(cache))
return;
m_Streamer->m_FilterMutex.Lock();
// create new stream demuxers
m_Streamer->Detach();
cache.CreateDemuxers(m_Streamer);
m_Streamer->m_ready = false;
INFOLOG("Currently unknown new streams found, requesting stream change");
m_Streamer->RequestStreamChange();
// write changed data back to the cache
m_ChannelCache = cache;
cChannelCache::AddToCache(CreateChannelUID(m_Channel), m_ChannelCache);
// try to attach receiver
int c = 0;
for(; c < 3 && !m_Streamer->Attach(); c++) {
INFOLOG("Unable to attach receiver, retrying ...");
usleep(100 * 1000);
}
// unable to attach receiver
if(c == 3) {
ERRORLOG("failed to attach receiver, sending detach ...");
m_Streamer->sendDetach();
}
m_Streamer->m_FilterMutex.Unlock();
}
}
void cLivePatFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length)
{
if (Pid == 0x00 && Tid == 0x00)
{
SI::PAT pat(Data, false);
if (!pat.CheckCRCAndParse())
return;
SI::PAT::Association assoc;
for (SI::Loop::Iterator it; pat.associationLoop.getNext(assoc, it); )
{
if (!assoc.isNITPid())
{
const cChannel *Channel = Channels.GetByServiceID(Source(), Transponder(), assoc.getServiceId());
if (Channel && (Channel == m_Channel))
{
int prevPmtPid = m_pmtPid;
if (0 != (m_pmtPid = assoc.getPid()))
{
m_pmtSid = assoc.getServiceId();
if (m_pmtPid != prevPmtPid)
{
Add(m_pmtPid, 0x02);
m_pmtVersion = -1;
}
return;
}
}
}
}
}
else if (Pid == m_pmtPid && Tid == SI::TableIdPMT && Source() && Transponder())
{
SI::PMT pmt(Data, false);
if (!pmt.CheckCRCAndParse() || pmt.getServiceId() != m_pmtSid)
return;
if (m_pmtVersion != -1)
{
if (m_pmtVersion != pmt.getVersionNumber())
{
cFilter::Del(m_pmtPid, 0x02);
m_pmtPid = 0; // this triggers PAT scan
}
return;
}
m_pmtVersion = pmt.getVersionNumber();
// get cached channel data
if(m_ChannelCache.size() == 0)
m_ChannelCache = cChannelCache::GetFromCache(CreateChannelUID(m_Channel));
// get all streams and check if there are new (currently unknown) streams
SI::PMT::Stream stream;
cChannelCache cache;
for (SI::Loop::Iterator it; pmt.streamLoop.getNext(stream, it); )
{
struct StreamInfo info;
if (GetStreamInfo(stream, info) && cache.size() < MAXRECEIVEPIDS)
cache.AddStream(info);
}
// no new streams found -> exit
if (cache == m_ChannelCache)
return;
m_Streamer->m_FilterMutex.Lock();
// create new stream demuxers
cache.CreateDemuxers(m_Streamer);
INFOLOG("Currently unknown new streams found, requesting stream change");
// write changed data back to the cache
m_ChannelCache = cache;
cChannelCache::AddToCache(CreateChannelUID(m_Channel), m_ChannelCache);
m_Streamer->RequestStreamChange();
m_Streamer->m_FilterMutex.Unlock();
}
}
void cEitFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length)
{
switch (Pid) {
case 0x12: {
cSchedulesLock SchedulesLock(true, 10);
cSchedules *Schedules = (cSchedules *)cSchedules::Schedules(SchedulesLock);
if (Schedules)
cEIT EIT(Schedules, Source(), Tid, Data);
else {
// If we don't get a write lock, let's at least get a read lock, so
// that we can set the running status and 'seen' timestamp (well, actually
// with a read lock we shouldn't be doing that, but it's only integers that
// get changed, so it should be ok)
cSchedulesLock SchedulesLock;
cSchedules *Schedules = (cSchedules *)cSchedules::Schedules(SchedulesLock);
if (Schedules)
cEIT EIT(Schedules, Source(), Tid, Data, true);
}
}
break;
case 0x14: {
/* TB: (time(NULL) < 31536000*2)
* always get the time if the system time has never been set
* regardless of the transponder */
if ((time(NULL) < VALID_TIME) || ((Setup.SetSystemTime && Setup.TimeTransponder) && ISTRANSPONDER(Transponder(), Setup.TimeTransponder)))
cTDT TDT(Data);
}
break;
}
}
void cSdtFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length)
{
if (!(Source() && Transponder()))
return;
SI::SDT sdt(Data, false);
if (!sdt.CheckCRCAndParse())
return;
if (!sectionSyncer.Sync(sdt.getVersionNumber(), sdt.getSectionNumber(), sdt.getLastSectionNumber()))
return;
if (!Channels.Lock(true, 10))
return;
SI::SDT::Service SiSdtService;
for (SI::Loop::Iterator it; sdt.serviceLoop.getNext(SiSdtService, it); ) {
cChannel *channel = Channels.GetByChannelID(tChannelID(Source(), sdt.getOriginalNetworkId(), sdt.getTransportStreamId(), SiSdtService.getServiceId()));
if (!channel)
channel = Channels.GetByChannelID(tChannelID(Source(), 0, Transponder(), SiSdtService.getServiceId()));
cLinkChannels *LinkChannels = NULL;
SI::Descriptor *d;
for (SI::Loop::Iterator it2; (d = SiSdtService.serviceDescriptors.getNext(it2)); ) {
switch (d->getDescriptorTag()) {
case SI::ServiceDescriptorTag: {
SI::ServiceDescriptor *sd = (SI::ServiceDescriptor *)d;
switch (sd->getServiceType()) {
case 0x01: // digital television service
case 0x02: // digital radio sound service
case 0x04: // NVOD reference service
case 0x05: // NVOD time-shifted service
{
char NameBuf[1024];
char ShortNameBuf[1024];
char ProviderNameBuf[1024];
sd->serviceName.getText(NameBuf, ShortNameBuf, sizeof(NameBuf), sizeof(ShortNameBuf));
char *pn = compactspace(NameBuf);
char *ps = compactspace(ShortNameBuf);
if (!*ps && cSource::IsCable(Source())) {
// Some cable providers don't mark short channel names according to the
// standard, but rather go their own way and use "name>short name" or
// "name, short name":
char *p = strchr(pn, '>'); // fix for UPC Wien
if (!p)
p = strchr(pn, ','); // fix for "Kabel Deutschland"
if (p && p > pn) {
*p++ = 0;
strcpy(ShortNameBuf, skipspace(p));
}
}
sd->providerName.getText(ProviderNameBuf, sizeof(ProviderNameBuf));
char *pp = compactspace(ProviderNameBuf);
if (channel) {
channel->SetId(sdt.getOriginalNetworkId(), sdt.getTransportStreamId(), SiSdtService.getServiceId());
if (Setup.UpdateChannels == 1 || Setup.UpdateChannels >= 3)
channel->SetName(pn, ps, pp);
// Using SiSdtService.getFreeCaMode() is no good, because some
// tv stations set this flag even for non-encrypted channels :-(
// The special value 0xFFFF was supposed to mean "unknown encryption"
// and would have been overwritten with real CA values later:
// channel->SetCa(SiSdtService.getFreeCaMode() ? 0xFFFF : 0);
}
else if (*pn && Setup.UpdateChannels >= 4) {
channel = Channels.NewChannel(Channel(), pn, ps, pp, sdt.getOriginalNetworkId(), sdt.getTransportStreamId(), SiSdtService.getServiceId());
patFilter->Trigger();
}
}
}
}
break;
// Using the CaIdentifierDescriptor is no good, because some tv stations
// just don't use it. The actual CA values are collected in pat.c:
/*
case SI::CaIdentifierDescriptorTag: {
SI::CaIdentifierDescriptor *cid = (SI::CaIdentifierDescriptor *)d;
if (channel) {
for (SI::Loop::Iterator it; cid->identifiers.hasNext(it); )
channel->SetCa(cid->identifiers.getNext(it));
}
}
break;
*/
case SI::NVODReferenceDescriptorTag: {
SI::NVODReferenceDescriptor *nrd = (SI::NVODReferenceDescriptor *)d;
SI::NVODReferenceDescriptor::Service Service;
for (SI::Loop::Iterator it; nrd->serviceLoop.getNext(Service, it); ) {
cChannel *link = Channels.GetByChannelID(tChannelID(Source(), Service.getOriginalNetworkId(), Service.getTransportStream(), Service.getServiceId()));
if (!link && Setup.UpdateChannels >= 4) {
link = Channels.NewChannel(Channel(), "NVOD", "", "", Service.getOriginalNetworkId(), Service.getTransportStream(), Service.getServiceId());
patFilter->Trigger();
}
if (link) {
if (!LinkChannels)
LinkChannels = new cLinkChannels;
LinkChannels->Add(new cLinkChannel(link));
}
}
}
break;
default: ;
}
delete d;
}
if (LinkChannels) {
if (channel)
channel->SetLinkChannels(LinkChannels);
else
delete LinkChannels;
}
}
Channels.Unlock();
}
void cLivePatFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length)
{
if (Pid == 0x00)
{
if (Tid == 0x00)
{
SI::PAT pat(Data, false);
if (!pat.CheckCRCAndParse())
return;
SI::PAT::Association assoc;
for (SI::Loop::Iterator it; pat.associationLoop.getNext(assoc, it); )
{
if (!assoc.isNITPid())
{
const cChannel *Channel = Channels.GetByServiceID(Source(), Transponder(), assoc.getServiceId());
if (Channel && (Channel == m_Channel))
{
int prevPmtPid = m_pmtPid;
if (0 != (m_pmtPid = assoc.getPid()))
{
m_pmtSid = assoc.getServiceId();
if (m_pmtPid != prevPmtPid)
{
Add(m_pmtPid, 0x02);
m_pmtVersion = -1;
}
return;
}
}
}
}
}
}
else if (Pid == m_pmtPid && Tid == SI::TableIdPMT && Source() && Transponder())
{
SI::PMT pmt(Data, false);
if (!pmt.CheckCRCAndParse())
return;
if (pmt.getServiceId() != m_pmtSid)
return; // skip broken PMT records
if (m_pmtVersion != -1)
{
if (m_pmtVersion != pmt.getVersionNumber())
{
// printf("cStreamdevPatFilter: PMT version changed, detaching all pids\n");
cFilter::Del(m_pmtPid, 0x02);
m_pmtPid = 0; // this triggers PAT scan
}
return;
}
m_pmtVersion = pmt.getVersionNumber();
SI::PMT::Stream stream;
int pids[MAXRECEIVEPIDS + 1];
eStreamType types[MAXRECEIVEPIDS + 1];
char langs[MAXRECEIVEPIDS + 1][MAXLANGCODE2];
int subtitlingType[MAXRECEIVEPIDS + 1];
int compositionPageId[MAXRECEIVEPIDS + 1];
int ancillaryPageId[MAXRECEIVEPIDS + 1];
int streams = 0;
for (SI::Loop::Iterator it; pmt.streamLoop.getNext(stream, it); )
{
eStreamType type;
int pid = GetPid(stream, &type, langs[streams], &subtitlingType[streams], &compositionPageId[streams], &ancillaryPageId[streams]);
if (0 != pid && streams < MAXRECEIVEPIDS)
{
pids[streams] = pid;
types[streams] = type;
streams++;
}
}
pids[streams] = 0;
int newstreams = 0;
for (int i = 0; i < streams; i++)
{
if (m_Streamer->HaveStreamDemuxer(pids[i], types[i]) == -1)
newstreams++;
}
if (newstreams > 0)
{
m_Streamer->m_FilterMutex.Lock();
if (m_Streamer->m_Receiver)
{
DEBUGLOG("Detaching Live Receiver");
m_Streamer->m_Device->Detach(m_Streamer->m_Receiver);
DELETENULL(m_Streamer->m_Receiver);
}
for (int idx = 0; idx < MAXRECEIVEPIDS; ++idx)
{
if (m_Streamer->m_Streams[idx])
{
DELETENULL(m_Streamer->m_Streams[idx]);
m_Streamer->m_Pids[idx] = 0;
}
}
m_Streamer->m_NumStreams = 0;
m_Streamer->m_streamReady = false;
m_Streamer->m_IFrameSeen = false;
for (int i = 0; i < streams; i++)
{
switch (types[i])
{
case stMPEG2AUDIO:
{
m_Streamer->m_Streams[m_Streamer->m_NumStreams] = new cTSDemuxer(m_Streamer, stMPEG2AUDIO, pids[i]);
m_Streamer->m_Streams[m_Streamer->m_NumStreams]->SetLanguage(langs[i]);
m_Streamer->m_Pids[m_Streamer->m_NumStreams] = pids[i];
m_Streamer->m_NumStreams++;
break;
}
case stMPEG2VIDEO:
{
m_Streamer->m_Streams[m_Streamer->m_NumStreams] = new cTSDemuxer(m_Streamer, stMPEG2VIDEO, pids[i]);
m_Streamer->m_Pids[m_Streamer->m_NumStreams] = pids[i];
m_Streamer->m_NumStreams++;
break;
}
case stH264:
{
m_Streamer->m_Streams[m_Streamer->m_NumStreams] = new cTSDemuxer(m_Streamer, stH264, pids[i]);
m_Streamer->m_Pids[m_Streamer->m_NumStreams] = pids[i];
m_Streamer->m_NumStreams++;
break;
}
case stAC3:
{
m_Streamer->m_Streams[m_Streamer->m_NumStreams] = new cTSDemuxer(m_Streamer, stAC3, pids[i]);
m_Streamer->m_Streams[m_Streamer->m_NumStreams]->SetLanguage(langs[i]);
m_Streamer->m_Pids[m_Streamer->m_NumStreams] = pids[i];
m_Streamer->m_NumStreams++;
break;
}
case stEAC3:
{
m_Streamer->m_Streams[m_Streamer->m_NumStreams] = new cTSDemuxer(m_Streamer, stEAC3, pids[i]);
m_Streamer->m_Streams[m_Streamer->m_NumStreams]->SetLanguage(langs[i]);
m_Streamer->m_Pids[m_Streamer->m_NumStreams] = pids[i];
m_Streamer->m_NumStreams++;
break;
}
case stDTS:
{
m_Streamer->m_Streams[m_Streamer->m_NumStreams] = new cTSDemuxer(m_Streamer, stDTS, pids[i]);
m_Streamer->m_Streams[m_Streamer->m_NumStreams]->SetLanguage(langs[i]);
m_Streamer->m_Pids[m_Streamer->m_NumStreams] = pids[i];
m_Streamer->m_NumStreams++;
break;
}
case stAAC:
{
m_Streamer->m_Streams[m_Streamer->m_NumStreams] = new cTSDemuxer(m_Streamer, stAAC, pids[i]);
m_Streamer->m_Streams[m_Streamer->m_NumStreams]->SetLanguage(langs[i]);
m_Streamer->m_Pids[m_Streamer->m_NumStreams] = pids[i];
m_Streamer->m_NumStreams++;
break;
}
case stLATM:
{
m_Streamer->m_Streams[m_Streamer->m_NumStreams] = new cTSDemuxer(m_Streamer, stLATM, pids[i]);
m_Streamer->m_Streams[m_Streamer->m_NumStreams]->SetLanguage(langs[i]);
m_Streamer->m_Pids[m_Streamer->m_NumStreams] = pids[i];
m_Streamer->m_NumStreams++;
break;
}
case stDVBSUB:
{
m_Streamer->m_Streams[m_Streamer->m_NumStreams] = new cTSDemuxer(m_Streamer, stDVBSUB, pids[i]);
m_Streamer->m_Streams[m_Streamer->m_NumStreams]->SetLanguage(langs[i]);
m_Streamer->m_Streams[m_Streamer->m_NumStreams]->SetSubtitlingDescriptor(subtitlingType[i], compositionPageId[i], ancillaryPageId[i]);
m_Streamer->m_Pids[m_Streamer->m_NumStreams] = pids[i];
m_Streamer->m_NumStreams++;
break;
}
case stTELETEXT:
{
m_Streamer->m_Streams[m_Streamer->m_NumStreams] = new cTSDemuxer(m_Streamer, stTELETEXT, pids[i]);
m_Streamer->m_Pids[m_Streamer->m_NumStreams] = pids[i];
m_Streamer->m_NumStreams++;
break;
}
default:
break;
}
}
m_Streamer->m_Receiver = new cLiveReceiver(m_Streamer, m_Channel->GetChannelID(), m_Streamer->m_Priority, m_Streamer->m_Pids);
m_Streamer->m_Device->AttachReceiver(m_Streamer->m_Receiver);
INFOLOG("Currently unknown new streams found, requesting stream change");
m_Streamer->RequestStreamChange();
m_Streamer->m_FilterMutex.Unlock();
}
}
}
