Ticket #8251: 8251-v1.patch

mythtv/libs/libmythtv/tv_rec.cpp

@@ -1204 +1204 @@
 
     eitScanStartTime = QDateTime::currentDateTime();
     // check whether we should use the EITScanner in this TVRec instance
+    bool scanning_possible = false;
     if (CardUtil::IsEITCapable(genOpt.cardtype) &&
         (!GetDTVChannel() || GetDTVChannel()->IsMaster()) && 
         (dvbOpt.dvb_eitscan || get_use_eit(cardid)))
     {
+        vector<uint> inputids = CardUtil::GetInputIDs(cardid);
+        scanning_possible = !inputids.empty();
+        const QString main_dev = CardUtil::GetVideoDevice(cardid);
+        for (uint j = 0; j < inputids.size() && scanning_possible; j++)
+        {
+            vector<uint> cardids =
+                CardUtil::GetConflictingCards(inputids[j], cardid);
+            for (uint i = 0; i < cardids.size() && scanning_possible; i++)
+            {
+                scanning_possible &=
+                    (main_dev == CardUtil::GetVideoDevice(cardids[i]));
+            }
+        }
+    }     
+
+    if (scanning_possible)
+    {
         scanner = new EITScanner(cardid);
         uint timeout = eitCrawlIdleStart;
         // get the number of capture cards and the position of the current card