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Fixed handling the S2SatelliteDeliverySystemDescriptor for transponders broadcasting in "backwards compatibility mode" according to ETSI EN 300 468

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This commit is contained in:
Klaus Schmidinger 2019-05-31 13:25:00 +02:00
parent 0873d14614
commit 2b39c192a6
3 changed files with 19 additions and 5 deletions
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2
CONTRIBUTORS
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@ -3567,6 +3567,8 @@ Daniel Scheller <d.scheller@gmx.net>
Onur Sentürk <onur@sentek.org>
for making the MTD mapper avoid immediately reusing unique PIDs when switching channels
for fixing handling shared CA pids
for fixing handling the S2SatelliteDeliverySystemDescriptor for transponders broadcasting
in "backwards compatibility mode" according to ETSI EN 300 468
Helmut Binder <cco@aon.at>
for improving calculating signal strength and quality

4
HISTORY
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@ -9348,7 +9348,7 @@ Video Disk Recorder Revision History
Senzel).
- Official release.
2019-05-29: Version 2.4.1
2019-05-31: Version 2.4.1
- Fixed handling the tfRecording flag in the SVDRP commands MODT and UPDT (reported
by Johann Friedrichs).
@ -9417,3 +9417,5 @@ Video Disk Recorder Revision History
- Fixed a wrong variable name in cFileName::cFileName().
- If cSkins::Message() is called from a background thread and Type is not mtStatus,
the call is now automatically forwarded to QueueMessage().
- Fixed handling the S2SatelliteDeliverySystemDescriptor for transponders broadcasting
in "backwards compatibility mode" according to ETSI EN 300 468 (thanks to Onur Sentürk).

18
nit.c
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@ -4,7 +4,7 @@
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* $Id: nit.c 4.8 2019/03/18 10:29:09 kls Exp $
* $Id: nit.c 4.9 2019/05/31 13:25:00 kls Exp $
*/
#include "nit.h"
@ -97,6 +97,15 @@ void cNitFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length
}
delete fld;
// Necessary for "backwards compatibility mode" according to ETSI EN 300 468:
bool ForceDVBS2 = false;
for (SI::Loop::Iterator it2; (d = ts.transportStreamDescriptors.getNext(it2)); ) {
if (d->getDescriptorTag() == SI::S2SatelliteDeliverySystemDescriptorTag) {
ForceDVBS2 = true;
break;
}
}
for (SI::Loop::Iterator it2; (d = ts.transportStreamDescriptors.getNext(it2)); ) {
switch (d->getDescriptorTag()) {
case SI::SatelliteDeliverySystemDescriptorTag: {
@ -110,11 +119,12 @@ void cNitFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length
dtp.SetCoderateH(CodeRates[sd->getFecInner()]);
static int Modulations[] = { QAM_AUTO, QPSK, PSK_8, QAM_16 };
dtp.SetModulation(Modulations[sd->getModulationType()]);
dtp.SetSystem(sd->getModulationSystem() ? DVB_SYSTEM_2 : DVB_SYSTEM_1);
bool System = sd->getModulationSystem() || ForceDVBS2;
dtp.SetSystem(System ? DVB_SYSTEM_2 : DVB_SYSTEM_1);
static int RollOffs[] = { ROLLOFF_35, ROLLOFF_25, ROLLOFF_20, ROLLOFF_AUTO };
dtp.SetRollOff(sd->getModulationSystem() ? RollOffs[sd->getRollOff()] : ROLLOFF_AUTO);
dtp.SetRollOff(System ? RollOffs[sd->getRollOff()] : ROLLOFF_AUTO);
int SymbolRate = BCD2INT(sd->getSymbolRate()) / 10;
dbgnit(" %s %d %c %d %d\n", *cSource::ToString(Source), Frequency, dtp.Polarization(), SymbolRate, cChannel::Transponder(Frequency, dtp.Polarization()));
dbgnit(" %s %d %c %d %d DVB-S%d\n", *cSource::ToString(Source), Frequency, dtp.Polarization(), SymbolRate, cChannel::Transponder(Frequency, dtp.Polarization()), System ? 2 : 1);
if (Setup.UpdateChannels >= 5) {
bool found = false;
bool forceTransponderUpdate = false;