# Fixed handling shared CA pids.
#
--- ci.c	2018/09/23 10:17:20	5.1
+++ ci.c	2019/03/19 14:58:06
@@ -2505,8 +2505,10 @@
                   if (GetCaPids(source, transponder, p->programNumber, CaSystemIds, MAXRECEIVEPIDS + 1, CaPids) > 0) {
                      if (Active)
                         caPidReceiver->AddPids(CaPids);
-                     else
+                     else {
+                        KeepSharedCaPids(p->programNumber, CaSystemIds, CaPids);
                         caPidReceiver->DelPids(CaPids);
+                        }
                      }
                   }
                if (RepliesToQuery())
@@ -2522,6 +2524,43 @@
      }
 }
 
+void cCamSlot::KeepSharedCaPids(int ProgramNumber, const int *CaSystemIds, int *CaPids)
+{
+  int numPids = 0;
+  int *pCaPids = CaPids;
+  while (*pCaPids) {
+        numPids++;
+        pCaPids++;
+        }
+  if (numPids <= 0)
+     return;
+  int CaPids2[MAXRECEIVEPIDS + 1];
+  for (cCiCaProgramData *p = caProgramList.First(); p; p = caProgramList.Next(p)) {
+      if (p->programNumber != ProgramNumber) {
+         if (GetCaPids(source, transponder, p->programNumber, CaSystemIds, MAXRECEIVEPIDS + 1, CaPids2) > 0) {
+            int *pCaPids2 = CaPids2;
+            while (*pCaPids2) {
+                  pCaPids = CaPids;
+                  while (*pCaPids) {
+                        if (*pCaPids == *pCaPids2) {
+                           dsyslog("CAM %d: keeping shared CA pid %d", SlotNumber(), *pCaPids);
+                           // To remove *pCaPids from CaPids we overwrite it with the last valie in the list, and then strip the last value:
+                           *pCaPids = CaPids[numPids - 1];
+                           numPids--;
+                           CaPids[numPids] = 0;
+                           if (numPids <= 0)
+                              return;
+                           }
+                        else
+                           pCaPids++;
+                        }
+                  pCaPids2++;
+                  }
+            }
+         }
+      }
+}
+
 void cCamSlot::SendCaPmts(cCiCaPmtList &CaPmtList)
 {
   cMutexLock MutexLock(&mutex);
--- ci.h	2018/03/17 12:17:37	5.0
+++ ci.h	2019/03/17 17:41:17
@@ -254,6 +254,7 @@
   cList<cCiCaProgramData> caProgramList;
   bool mtdAvailable;
   cMtdHandler *mtdHandler;
+  void KeepSharedCaPids(int ProgramNumber, const int *CaSystemIds, int *CaPids);
   void NewConnection(void);
   void DeleteAllConnections(void);
   void Process(cTPDU *TPDU = NULL);