mirror of https://github.com/VDR4Arch/vdr.git
No longer permanently looping through PMT PIDs, which caused problems with some SatIP receivers
This commit is contained in:
Klaus Schmidinger
parent
58e21d8e37
commit
7b1c097958
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@ -2343,6 +2343,7 @@ Andr
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for reporting a bug in selecting the last replayed recording in the Recordings menu
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in case there are folders and plain recordings with names that differ only in
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non-alphanumeric characters
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for reporting a problem with permanently looping through PMT PIDs on a SatIP receiver
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Jürgen Schilling <juergen_schilling@web.de>
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for reporting that color buttons were displayed in the recording info menu if it
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4
HISTORY
4
HISTORY
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@ -9706,7 +9706,7 @@ Video Disk Recorder Revision History
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order to restore this functionality. However, it is recommended to use the function
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with the TimerActive parameter instead.
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2021-05-26:
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2021-06-08:
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- cRecordingInfo::Errors() now returns -1 for old recordings; added a missing 'const'
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(suggested by Christoph Haubrich).
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@ -9714,3 +9714,5 @@ Video Disk Recorder Revision History
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- Added missing initialization of cRecorder::lastErrors.
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- Now using __cplusplus instead of DISABLE_TEMPLATES_COLLIDING_WITH_STL, and using
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std::min(), std::max() and std::swap() if available (thanks to Winfried Köhler).
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- No longer permanently looping through PMT PIDs, which caused problems with some
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SatIP receivers (reported by André Weidemann; with help from Helmut Binder).
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17
device.c
17
device.c
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@ -4,7 +4,7 @@
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* See the main source file 'vdr.c' for copyright information and
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* how to reach the author.
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*
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* $Id: device.c 5.2 2021/03/17 10:59:36 kls Exp $
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* $Id: device.c 5.3 2021/06/08 14:57:26 kls Exp $
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*/
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#include "device.h"
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@ -858,6 +858,13 @@ eSetChannelResult cDevice::SetChannel(const cChannel *Channel, bool LiveView)
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cStatus::MsgChannelSwitch(this, 0, LiveView);
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if (LiveView) {
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if (IsPrimaryDevice() && !Replaying() && !Transferring()) { // this is only for FF DVB cards!
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LOCK_CHANNELS_READ;
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if (const cChannel *ch = Channels->GetByNumber(currentChannel)) {
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if (patFilter)
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patFilter->Release(ch->Sid());
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}
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}
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StopReplay();
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DELETENULL(liveSubtitle);
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DELETENULL(dvbSubtitleConverter);
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@ -898,8 +905,6 @@ eSetChannelResult cDevice::SetChannel(const cChannel *Channel, bool LiveView)
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if (SetChannelDevice(Channel, LiveView)) {
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// Start section handling:
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if (sectionHandler) {
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if (patFilter)
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patFilter->Trigger(Channel->Sid());
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sectionHandler->SetChannel(Channel);
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sectionHandler->SetStatus(true);
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}
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@ -913,6 +918,8 @@ eSetChannelResult cDevice::SetChannel(const cChannel *Channel, bool LiveView)
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if (Result == scrOk) {
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if (LiveView && IsPrimaryDevice()) {
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if (patFilter) // this is only for FF DVB cards!
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patFilter->Request(Channel->Sid());
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currentChannel = Channel->Number();
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// Set the available audio tracks:
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ClrAvailableTracks();
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@ -1807,6 +1814,8 @@ bool cDevice::AttachReceiver(cReceiver *Receiver)
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dsyslog("CAM %d: %sknown to decrypt channel %s (scramblingTimeout = %ds)", camSlot->MasterSlotNumber(), KnownToDecrypt ? "" : "not ", *Receiver->ChannelID().ToString(), Receiver->scramblingTimeout);
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}
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}
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if (patFilter && Receiver->ChannelID().Valid())
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patFilter->Request(Receiver->ChannelID().Sid());
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Start();
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return true;
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}
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@ -1827,6 +1836,8 @@ void cDevice::Detach(cReceiver *Receiver)
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else if (receiver[i])
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receiversLeft = true;
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}
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if (patFilter && Receiver->ChannelID().Valid())
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patFilter->Release(Receiver->ChannelID().Sid());
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mutexReceiver.Unlock();
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Receiver->device = NULL;
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Receiver->Activate(false);
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219
pat.c
219
pat.c
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@ -4,7 +4,7 @@
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* See the main source file 'vdr.c' for copyright information and
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* how to reach the author.
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*
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* $Id: pat.c 5.1 2021/03/16 15:10:54 kls Exp $
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* $Id: pat.c 5.2 2021/06/08 14:57:26 kls Exp $
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*/
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#include "pat.h"
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@ -285,10 +285,20 @@ int GetPmtPid(int Source, int Transponder, int ServiceId)
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class cPmtPidEntry : public cListObject {
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private:
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int pid;
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bool complete;
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int count; // the number of SIDs currently requested from this PID
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int state; // adding/deleting PIDs to/from the filter may only be done from within the Process() function,
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// otherwise there could be a deadlock between cPatFilter::mutex and cSectionHandler::mutex;
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// this member tells whether this PID needs to be added to (>0) or deleted from (<0) the filter
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bool complete; // true if all SIDs on this PID have been received
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public:
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cPmtPidEntry(int Pid);
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int Pid(void) { return pid; }
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int Count(void) { return count; }
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int State(void) { int s = state; state = 0; return s; } // returns the current state and resets it
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void SetState(void) { state = 1; }
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void ClrState(void) { state = -1; }
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void Inc(void) { if (++count == 1) state = 1; }
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void Dec(void) { if (--count == 0) state = -1; }
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int Complete(void) { return complete; }
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void SetComplete(bool State) { complete = State; }
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};
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@ -296,6 +306,8 @@ public:
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cPmtPidEntry::cPmtPidEntry(int Pid)
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{
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pid = Pid;
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count = 0;
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state = 0;
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complete = false;
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}
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@ -309,7 +321,7 @@ private:
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int version;
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bool received;
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public:
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cPmtSidEntry(int Sid, int Pid, cPmtPidEntry *PidEntry);
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cPmtSidEntry(int Sid, cPmtPidEntry *PidEntry);
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int Sid(void) { return sid; }
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int Pid(void) { return pid; }
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cPmtPidEntry *PidEntry(void) { return pidEntry; }
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@ -319,15 +331,29 @@ public:
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void SetReceived(bool State) { received = State; }
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};
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cPmtSidEntry::cPmtSidEntry(int Sid, int Pid, cPmtPidEntry *PidEntry)
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cPmtSidEntry::cPmtSidEntry(int Sid, cPmtPidEntry *PidEntry)
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{
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sid = Sid;
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pid = Pid;
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pid = PidEntry->Pid();
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pidEntry = PidEntry;
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version = -1;
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received = false;
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}
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// --- cPmtSidRequest --------------------------------------------------------
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class cPmtSidRequest : public cListObject {
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private:
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int sid;
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int count; // the number of requests for this SID
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public:
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cPmtSidRequest(int Sid) { sid = Sid; count = 1; }
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int Sid(void) { return sid; }
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int Count(void) { return count; }
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void Inc(void) { count++; }
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void Dec(void) { count--; }
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};
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// --- cPatFilter ------------------------------------------------------------
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//#define DEBUG_PAT_PMT
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@ -339,32 +365,95 @@ cPmtSidEntry::cPmtSidEntry(int Sid, int Pid, cPmtPidEntry *PidEntry)
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cPatFilter::cPatFilter(void)
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{
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Trigger(0);
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patVersion = -1;
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activePmt = NULL;
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transponder = 0;
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source = 0;
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Set(0x00, 0x00); // PAT
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}
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void cPatFilter::SetStatus(bool On)
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bool cPatFilter::TransponderChanged(void)
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{
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cMutexLock MutexLock(&mutex);
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DBGLOG("PAT filter set status %d", On);
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cFilter::SetStatus(On);
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Trigger();
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if (source != Source() || transponder != Transponder()) {
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DBGLOG("PAT filter transponder changed from %d/%d to %d/%d", source, transponder, Source(), Transponder());
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source = Source();
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transponder = Transponder();
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return true;
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}
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return false;
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}
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void cPatFilter::Trigger(int Sid)
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void cPatFilter::Trigger(int)
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{
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cMutexLock MutexLock(&mutex);
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patVersion = -1;
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sectionSyncer.Reset();
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if (Sid != 0 && activePmt)
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Del(activePmt->Pid(), SI::TableIdPMT);
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activePmt = NULL;
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if (Sid >= 0) {
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sid = Sid;
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DBGLOG("PAT filter trigger SID %d", Sid);
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DBGLOG("PAT filter trigger");
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if (activePmt != pmtPidList.First()) {
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if (activePmt && activePmt->Count() == 0)
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activePmt->ClrState();
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activePmt = pmtPidList.First();
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if (activePmt && activePmt->Count() == 0) {
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activePmt->SetState();
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timer.Set(PMT_SCAN_TIMEOUT);
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}
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}
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}
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void cPatFilter::Request(int Sid)
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{
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cMutexLock MutexLock(&mutex);
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DBGLOG("PAT filter request SID %d", Sid);
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for (cPmtSidRequest *sr = pmtSidRequestList.First(); sr; sr = pmtSidRequestList.Next(sr)) {
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if (sr->Sid() == Sid) {
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sr->Inc();
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DBGLOG("PAT filter add SID request %d (%d)", Sid, sr->Count());
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return;
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}
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}
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DBGLOG("PAT filter new SID request %d", Sid);
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pmtSidRequestList.Add(new cPmtSidRequest(Sid));
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for (cPmtSidEntry *se = pmtSidList.First(); se; se = pmtSidList.Next(se)) {
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if (se->Sid() == Sid) {
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cPmtPidEntry *pPid = se->PidEntry();
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pPid->Inc();
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DBGLOG(" PMT pid %5d SID %5d (%d)", pPid->Pid(), se->Sid(), pPid->Count());
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break;
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}
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}
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}
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void cPatFilter::Release(int Sid)
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{
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cMutexLock MutexLock(&mutex);
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DBGLOG("PAT filter release SID %d", Sid);
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for (cPmtSidRequest *sr = pmtSidRequestList.First(); sr; sr = pmtSidRequestList.Next(sr)) {
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if (sr->Sid() == Sid) {
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sr->Dec();
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DBGLOG("PAT filter del SID request %d (%d)", Sid, sr->Count());
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if (sr->Count() == 0) {
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pmtSidRequestList.Del(sr);
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for (cPmtSidEntry *se = pmtSidList.First(); se; se = pmtSidList.Next(se)) {
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if (se->Sid() == Sid) {
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cPmtPidEntry *pPid = se->PidEntry();
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pPid->Dec();
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DBGLOG(" PMT pid %5d SID %5d (%d)", pPid->Pid(), se->Sid(), pPid->Count());
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break;
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}
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}
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}
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break;
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}
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}
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}
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int cPatFilter::NumSidRequests(int Sid)
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{
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for (cPmtSidRequest *sr = pmtSidRequestList.First(); sr; sr = pmtSidRequestList.Next(sr)) {
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if (sr->Sid() == Sid)
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return sr->Count();
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}
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return 0;
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}
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bool cPatFilter::PmtPidComplete(int PmtPid)
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{
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for (cPmtSidEntry *se = pmtSidList.First(); se; se = pmtSidList.Next(se)) {
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@ -377,15 +466,16 @@ bool cPatFilter::PmtPidComplete(int PmtPid)
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void cPatFilter::PmtPidReset(int PmtPid)
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{
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for (cPmtSidEntry *se = pmtSidList.First(); se; se = pmtSidList.Next(se)) {
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if (se->Pid() == PmtPid)
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if (se->Pid() == PmtPid) {
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se->SetReceived(false);
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se->PidEntry()->SetComplete(false);
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}
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}
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}
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bool cPatFilter::PmtVersionChanged(int PmtPid, int Sid, int Version, bool SetNewVersion)
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{
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int i = 0;
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for (cPmtSidEntry *se = pmtSidList.First(); se; se = pmtSidList.Next(se), i++) {
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for (cPmtSidEntry *se = pmtSidList.First(); se; se = pmtSidList.Next(se)) {
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if (se->Sid() == Sid && se->Pid() == PmtPid) {
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if (!se->Received()) {
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se->SetReceived(true);
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@ -395,7 +485,7 @@ bool cPatFilter::PmtVersionChanged(int PmtPid, int Sid, int Version, bool SetNew
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if (SetNewVersion)
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se->SetVersion(Version);
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else
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DBGLOG("PMT %d %2d %5d/%d %2d -> %2d", Transponder(), i, PmtPid, Sid, se->Version(), Version);
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DBGLOG("PMT %d %5d/%5d %2d -> %2d %d", Transponder(), PmtPid, Sid, se->Version(), Version, NumSidRequests(Sid));
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return true;
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}
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break;
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@ -407,18 +497,39 @@ bool cPatFilter::PmtVersionChanged(int PmtPid, int Sid, int Version, bool SetNew
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void cPatFilter::SwitchToNextPmtPid(void)
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{
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if (activePmt) {
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Del(activePmt->Pid(), SI::TableIdPMT);
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if (!(activePmt = pmtPidList.Next(activePmt)))
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activePmt = pmtPidList.First();
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PmtPidReset(activePmt->Pid());
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activePmt->SetComplete(false);
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Add(activePmt->Pid(), SI::TableIdPMT);
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if (activePmt->Count() == 0)
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Del(activePmt->Pid(), SI::TableIdPMT);
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for (;;) {
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activePmt = pmtPidList.Next(activePmt);
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if (!activePmt || activePmt->Count() == 0)
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break;
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}
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if (activePmt) {
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PmtPidReset(activePmt->Pid());
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Add(activePmt->Pid(), SI::TableIdPMT);
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timer.Set(PMT_SCAN_TIMEOUT);
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}
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}
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}
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void cPatFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length)
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{
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cMutexLock MutexLock(&mutex);
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if (TransponderChanged()) {
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patVersion = -1;
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sectionSyncer.Reset();
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}
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if (patVersion >= 0) {
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for (cPmtPidEntry *pPid = pmtPidList.First(); pPid; pPid = pmtPidList.Next(pPid)) {
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int State = pPid->State();
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if (State > 0)
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Add(pPid->Pid(), SI::TableIdPMT);
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else if (State < 0)
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Del(pPid->Pid(), SI::TableIdPMT);
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}
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}
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else if (Pid != 0x00)
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return;
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if (Pid == 0x00) {
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if (Tid == SI::TableIdPAT) {
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SI::PAT pat(Data, false);
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@ -426,13 +537,11 @@ void cPatFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length
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return;
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if (sectionSyncer.Check(pat.getVersionNumber(), pat.getSectionNumber())) {
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DBGLOG("PAT %d %d -> %d %d/%d", Transponder(), patVersion, pat.getVersionNumber(), pat.getSectionNumber(), pat.getLastSectionNumber());
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bool NeedsSetStatus = patVersion >= 0;
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if (pat.getVersionNumber() != patVersion) {
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if (pat.getLastSectionNumber() > 0)
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DBGLOG(" PAT %d: %d sections", Transponder(), pat.getLastSectionNumber() + 1);
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if (activePmt) {
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Del(activePmt->Pid(), SI::TableIdPMT);
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activePmt = NULL;
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}
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if (NeedsSetStatus)
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SetStatus(false); // deletes all PIDs from the filter
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activePmt = NULL;
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pmtSidList.Clear();
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pmtPidList.Clear();
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patVersion = pat.getVersionNumber();
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@ -441,36 +550,39 @@ void cPatFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length
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for (SI::Loop::Iterator it; pat.associationLoop.getNext(assoc, it); ) {
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if (!assoc.isNITPid()) {
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int PmtPid = assoc.getPid();
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int PmtSid = assoc.getServiceId();
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cPmtPidEntry *pPid = NULL;
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int PidIndex = 0;
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for (pPid = pmtPidList.First(); pPid && pPid->Pid() != PmtPid; pPid = pmtPidList.Next(pPid))
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PidIndex++;
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for (pPid = pmtPidList.First(); pPid; pPid = pmtPidList.Next(pPid)) {
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if (pPid->Pid() == PmtPid)
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break;
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}
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int SidRequest = NumSidRequests(PmtSid);
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DBGLOG(" PMT pid %5d SID %5d%s%s", PmtPid, PmtSid, SidRequest ? " R" : "", pPid ? " S" : "");
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if (!pPid) { // new PMT Pid
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pPid = new cPmtPidEntry(PmtPid);
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pmtPidList.Add(pPid);
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}
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pmtSidList.Add(new cPmtSidEntry(assoc.getServiceId(), PmtPid, pPid));
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DBGLOG(" PMT pid %2d/%2d %5d SID %5d", PidIndex, pmtSidList.Count() - 1, PmtPid, assoc.getServiceId());
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if (sid == assoc.getServiceId()) {
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activePmt = pPid;
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DBGLOG("sid = %d pidIndex = %d", sid, PidIndex);
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}
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pmtSidList.Add(new cPmtSidEntry(PmtSid, pPid));
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if (SidRequest > 0)
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pPid->Inc();
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}
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}
|
||||
if (sectionSyncer.Processed(pat.getSectionNumber(), pat.getLastSectionNumber())) { // all PAT sections done
|
||||
if (pmtPidList.Count() != pmtSidList.Count())
|
||||
DBGLOG(" PAT %d: shared PMT PIDs", Transponder());
|
||||
if (pmtSidList.Count() && !activePmt)
|
||||
activePmt = pmtPidList.First();
|
||||
if (activePmt)
|
||||
Add(activePmt->Pid(), SI::TableIdPMT);
|
||||
timer.Set(PMT_SCAN_TIMEOUT);
|
||||
for (cPmtPidEntry *pPid = pmtPidList.First(); pPid; pPid = pmtPidList.Next(pPid)) {
|
||||
if (pPid->Count() == 0) {
|
||||
pPid->SetState();
|
||||
activePmt = pPid;
|
||||
timer.Set(PMT_SCAN_TIMEOUT);
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (NeedsSetStatus)
|
||||
SetStatus(true);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
else if (Tid == SI::TableIdPMT && Source() && Transponder()) {
|
||||
timer.Set(PMT_SCAN_TIMEOUT);
|
||||
SI::PMT pmt(Data, false);
|
||||
if (!pmt.CheckCRCAndParse())
|
||||
return;
|
||||
|
|
@ -731,6 +843,5 @@ void cPatFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length
|
|||
if (activePmt)
|
||||
DBGLOG("PMT timeout Pid %d", activePmt->Pid());
|
||||
SwitchToNextPmtPid();
|
||||
timer.Set(PMT_SCAN_TIMEOUT);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
14
pat.h
14
pat.h
|
|
@ -4,7 +4,7 @@
|
|||
* See the main source file 'vdr.c' for copyright information and
|
||||
* how to reach the author.
|
||||
*
|
||||
* $Id: pat.h 4.2 2020/06/19 12:19:15 kls Exp $
|
||||
* $Id: pat.h 5.1 2021/06/08 14:57:26 kls Exp $
|
||||
*/
|
||||
|
||||
#ifndef __PAT_H
|
||||
|
|
@ -16,27 +16,33 @@
|
|||
|
||||
class cPmtPidEntry;
|
||||
class cPmtSidEntry;
|
||||
class cPmtSidRequest;
|
||||
|
||||
class cPatFilter : public cFilter {
|
||||
private:
|
||||
cMutex mutex;
|
||||
cTimeMs timer;
|
||||
int patVersion;
|
||||
int sid;
|
||||
cPmtPidEntry *activePmt;
|
||||
cList<cPmtPidEntry> pmtPidList;
|
||||
cList<cPmtSidEntry> pmtSidList;
|
||||
cList<cPmtSidRequest> pmtSidRequestList;
|
||||
int source;
|
||||
int transponder;
|
||||
cSectionSyncer sectionSyncer;
|
||||
bool TransponderChanged(void);
|
||||
bool PmtPidComplete(int PmtPid);
|
||||
void PmtPidReset(int PmtPid);
|
||||
bool PmtVersionChanged(int PmtPid, int Sid, int Version, bool SetNewVersion = false);
|
||||
int NumSidRequests(int Sid);
|
||||
void SwitchToNextPmtPid(void);
|
||||
protected:
|
||||
virtual void Process(u_short Pid, u_char Tid, const u_char *Data, int Length);
|
||||
public:
|
||||
cPatFilter(void);
|
||||
virtual void SetStatus(bool On);
|
||||
void Trigger(int Sid = -1);
|
||||
void Trigger(int); // triggers reading the PMT PIDs that are currently not requested (dummy parameter for backwards compatibility, value is ignored)
|
||||
void Request(int Sid); // requests permanent reading of the PMT PID for this SID
|
||||
void Release(int Sid); // releases permanent reading of the PMT PID for this SID
|
||||
};
|
||||
|
||||
void GetCaDescriptors(int Source, int Transponder, int ServiceId, const int *CaSystemIds, cDynamicBuffer &Buffer, int EsPid);
|
||||
|
|
|
|||
Loading…
Reference in New Issue