From 513b24ccd77394b50128434376261615fd13b71e Mon Sep 17 00:00:00 2001
From: Klaus Schmidinger <vdr@tvdr.de>
Date: Fri, 31 Mar 2006 12:41:50 +0200
Subject: [PATCH] Fixed handling broken PMT records

---
 CONTRIBUTORS | 1 +
 HISTORY      | 5 +++++
 config.h     | 6 +++---
 pat.c        | 7 ++++++-
 pat.h        | 3 ++-
 5 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index f44f4379..184356c3 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -780,6 +780,7 @@ Marcel Wiesweg <marcel.wiesweg@gmx.de>
  for fixing a possible crash with inconsistent SI data
  for pointing out a problem with the cChannel copy constructor
  for fixing cDvbTuner to avoid lockups on NPTL systems
+ for pointing out how to detect broken PMT records
 
 Torsten Herz <torsten.herz@web.de>
  for fixing a possible deadlock when using the "Blue" button in the "Schedules" menu
diff --git a/HISTORY b/HISTORY
index ad85a22c..dc278bbd 100644
--- a/HISTORY
+++ b/HISTORY
@@ -4455,3 +4455,8 @@ Video Disk Recorder Revision History
 - Single shot VPS timers are now only considered 'expired' if their associated
   EPG event has been explicitly set to SI::RunningStatusNotRunning.
 - The check for timers to be deleted is now done only every 30 seconds.
+
+2006-03-31: Version 1.3.46
+
+- Fixed handling broken PMT records (thanks to Marcel Wiesweg for pointing out how
+  to detect these).
diff --git a/config.h b/config.h
index 07f48cf5..8cf92c04 100644
--- a/config.h
+++ b/config.h
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: config.h 1.247 2006/02/28 12:23:28 kls Exp $
+ * $Id: config.h 1.248 2006/03/31 12:41:50 kls Exp $
  */
 
 #ifndef __CONFIG_H
@@ -19,8 +19,8 @@
 #include "i18n.h"
 #include "tools.h"
 
-#define VDRVERSION  "1.3.45"
-#define VDRVERSNUM   10345  // Version * 10000 + Major * 100 + Minor
+#define VDRVERSION  "1.3.46"
+#define VDRVERSNUM   10346  // Version * 10000 + Major * 100 + Minor
 
 #define MAXPRIORITY 99
 #define MAXLIFETIME 99
diff --git a/pat.c b/pat.c
index a7216b8c..f898c70d 100644
--- a/pat.c
+++ b/pat.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: pat.c 1.15 2006/01/27 15:48:29 kls Exp $
+ * $Id: pat.c 1.16 2006/03/31 12:39:34 kls Exp $
  */
 
 #include "pat.h"
@@ -232,6 +232,7 @@ cPatFilter::cPatFilter(void)
 {
   pmtIndex = 0;
   pmtPid = 0;
+  pmtSid = 0;
   lastPmtScan = 0;
   numPmtEntries = 0;
   Set(0x00, 0x00);  // PAT
@@ -242,6 +243,7 @@ void cPatFilter::SetStatus(bool On)
   cFilter::SetStatus(On);
   pmtIndex = 0;
   pmtPid = 0;
+  pmtSid = 0;
   lastPmtScan = 0;
   numPmtEntries = 0;
 }
@@ -289,6 +291,7 @@ void cPatFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length
                if (!assoc.isNITPid()) {
                   if (Index++ >= pmtIndex && Channels.GetByServiceID(Source(), Transponder(), assoc.getServiceId())) {
                      pmtPid = assoc.getPid();
+                     pmtSid = assoc.getServiceId();
                      Add(pmtPid, 0x02);
                      break;
                      }
@@ -303,6 +306,8 @@ void cPatFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length
      SI::PMT pmt(Data, false);
      if (!pmt.CheckCRCAndParse())
         return;
+     if (pmt.getServiceId() != pmtSid)
+        return; // skip broken PMT records
      if (!PmtVersionChanged(pmtPid, pmt.getTableIdExtension(), pmt.getVersionNumber())) {
         lastPmtScan = 0; // this triggers the next scan
         return;
diff --git a/pat.h b/pat.h
index 6246cc0c..88b2115b 100644
--- a/pat.h
+++ b/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 1.5 2006/03/26 14:09:43 kls Exp $
+ * $Id: pat.h 1.6 2006/03/29 15:18:38 kls Exp $
  */
 
 #ifndef __PAT_H
@@ -20,6 +20,7 @@ private:
   time_t lastPmtScan;
   int pmtIndex;
   int pmtPid;
+  int pmtSid;
   uint64_t pmtVersion[MAXPMTENTRIES];
   int numPmtEntries;
   bool PmtVersionChanged(int PmtPid, int Sid, int Version);