From 3124c7598e843b2fa38116dc0a2e336606209aff Mon Sep 17 00:00:00 2001
From: Klaus Schmidinger <vdr@tvdr.de>
Date: Thu, 24 Dec 2009 13:25:40 +0100
Subject: [PATCH] cPatFilter::Process() now only stores CA descriptors for
 video and audio pids

---
 CONTRIBUTORS |  4 ++++
 HISTORY      |  3 +++
 pat.c        | 16 +++++++++++-----
 3 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 93ede449..214e40ce 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -2526,3 +2526,7 @@ Andreas Schaefers <andreas_schaefers@gmx.de>
 
 Matthieu Castet <castet.matthieu@free.fr>
  for improving SPU handling on devices with limited OSD capabilities
+
+Francesco Saverio Schiavarelli <fschiava@libero.it>
+  for reporting a problem with channels that have some encrypted components that
+  VDR doesn't use
diff --git a/HISTORY b/HISTORY
index 3d3da8b8..6b8a7945 100644
--- a/HISTORY
+++ b/HISTORY
@@ -6227,3 +6227,6 @@ Video Disk Recorder Revision History
 - cDevice now logs the device number when a new device is created.
 - Fixed handling STREAMTYPE_11172_AUDIO in cPatPmtParser::ParsePmt().
 - cParsePatPmt now has functions to retrieve the audio, dolby and subtitle pids.
+- cPatFilter::Process() now only stores CA descriptors for video and audio pids
+  (thanks to Francesco Saverio Schiavarelli for reporting a problem with channels
+  that have some encrypted components that VDR doesn't use).
diff --git a/pat.c b/pat.c
index c50a5e04..4aa12ddb 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 2.5 2009/12/06 11:39:17 kls Exp $
+ * $Id: pat.c 2.6 2009/12/24 13:01:18 kls Exp $
  */
 
 #include "pat.h"
@@ -345,6 +345,7 @@ void cPatFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length
         int NumDpids = 0;
         int NumSpids = 0;
         for (SI::Loop::Iterator it; pmt.streamLoop.getNext(stream, it); ) {
+            bool ProcessCaDescriptors = false;
             int esPid = stream.getPid();
             switch (stream.getStreamType()) {
               case 1: // STREAMTYPE_11172_VIDEO
@@ -353,6 +354,7 @@ void cPatFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length
                       Vpid = esPid;
                       Ppid = pmt.getPCRPid();
                       Vtype = stream.getStreamType();
+                      ProcessCaDescriptors = true;
                       break;
               case 3: // STREAMTYPE_11172_AUDIO
               case 4: // STREAMTYPE_13818_AUDIO
@@ -385,6 +387,7 @@ void cPatFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length
                              }
                          NumApids++;
                          }
+                      ProcessCaDescriptors = true;
                       }
                       break;
               case 5: // STREAMTYPE_13818_PRIVATE
@@ -398,6 +401,7 @@ void cPatFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length
                           switch (d->getDescriptorTag()) {
                             case SI::AC3DescriptorTag:
                                  dpid = esPid;
+                                 ProcessCaDescriptors = true;
                                  break;
                             case SI::SubtitlingDescriptorTag:
                                  if (NumSpids < MAXSPIDS) {
@@ -445,10 +449,12 @@ void cPatFilter::Process(u_short Pid, u_char Tid, const u_char *Data, int Length
                       break;
               default: ;//printf("PID: %5d %5d %2d %3d %3d\n", pmt.getServiceId(), stream.getPid(), stream.getStreamType(), pmt.getVersionNumber(), Channel->Number());
               }
-            for (SI::Loop::Iterator it; (d = (SI::CaDescriptor*)stream.streamDescriptors.getNext(it, SI::CaDescriptorTag)); ) {
-                CaDescriptors->AddCaDescriptor(d, esPid);
-                delete d;
-                }
+            if (ProcessCaDescriptors) {
+               for (SI::Loop::Iterator it; (d = (SI::CaDescriptor*)stream.streamDescriptors.getNext(it, SI::CaDescriptorTag)); ) {
+                   CaDescriptors->AddCaDescriptor(d, esPid);
+                   delete d;
+                   }
+               }
             }
         if (Setup.UpdateChannels >= 2) {
            Channel->SetPids(Vpid, Ppid, Vtype, Apids, ALangs, Dpids, DLangs, Spids, SLangs, Tpid);