From 9b68c100b2d221224382fe139599828f3ea663b7 Mon Sep 17 00:00:00 2001
From: Klaus Schmidinger <vdr@tvdr.de>
Date: Thu, 8 Mar 2012 09:37:17 +0100
Subject: [PATCH] Fixed parsing channel data in case the audio pid is 0

---
 HISTORY    | 4 ++++
 channels.c | 8 +++++---
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/HISTORY b/HISTORY
index a79267b0..cfd4b912 100644
--- a/HISTORY
+++ b/HISTORY
@@ -6989,3 +6989,7 @@ Video Disk Recorder Revision History
   due to a live channel switch, it can use that function's new parameter LiveView.
   Any plugins that implement cStatus::ChannelSwitch() need to add the parameter
   'bool LiveView' to that function.
+- Fixed parsing channel data in case the audio pid is 0. On channels that only
+  broadcast Dolby Digital audio there were sometimes log entries like
+  "changing pids of channel ... from ... to ..." with no apparent difference
+  between the old and new set of pids.
diff --git a/channels.c b/channels.c
index b9204f28..04e1e378 100644
--- a/channels.c
+++ b/channels.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: channels.c 2.19 2011/08/26 12:44:21 kls Exp $
+ * $Id: channels.c 2.20 2012/03/07 16:50:15 kls Exp $
  */
 
 #include "channels.h"
@@ -619,7 +619,8 @@ bool cChannel::Parse(const char *s)
                        }
                     else
                        *alangs[NumApids] = 0;
-                    apids[NumApids++] = strtol(q, NULL, 10);
+                    if ((apids[NumApids] = strtol(q, NULL, 10)) != 0)
+                       NumApids++;
                     }
                  else
                     esyslog("ERROR: too many APIDs!"); // no need to set ok to 'false'
@@ -647,7 +648,8 @@ bool cChannel::Parse(const char *s)
                           }
                        else
                           *dlangs[NumDpids] = 0;
-                       dpids[NumDpids++] = strtol(q, NULL, 10);
+                       if ((dpids[NumDpids] = strtol(q, NULL, 10)) != 0)
+                          NumDpids++;
                        }
                     else
                        esyslog("ERROR: too many DPIDs!"); // no need to set ok to 'false'