From 44dbfe9f384c3519e9c7ce29ae7eb790b544ea5d Mon Sep 17 00:00:00 2001
From: Klaus Schmidinger <vdr@tvdr.de>
Date: Sat, 24 May 2003 15:34:30 +0200
Subject: [PATCH] Fixed channel switching in case the current channel becomes
 unavailable

---
 CONTRIBUTORS |  6 ++++++
 HISTORY      |  5 +++++
 vdr.c        | 11 +++++++++--
 3 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index f88a3d85..3a62501a 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -485,6 +485,8 @@ Reinhard Walter Buchner <rw.buchner@freenet.de>
 Lauri Tischler <lauri.tischler@efore.fi>
  for helping to test and debug the new channel source and DiSEqC handling
  for reporting a faulty parameter initialization in menu.c
+ for reporting a problem in case the original current channel becomes
+ unavailable due to a recording on a different transponder
 
 Andy Carter <fruit@ukgateway.net>
  for helping to test new DVB-T handling
@@ -682,3 +684,7 @@ Niko Tarnanen <niko.tarnanen@hut.fi> and Rolf Ahrenberg <rahrenbe@cc.hut.fi>
 
 Ralf Klueber <ralf.klueber@vodafone.com>
  for reporting a bug in cutting a recording if there is only a single editing mark
+
+Hermann Gausterer <mrq1@gmx.net>
+ for suggesting to switch to the recording channel in case the current channel
+ becomes unavailable
diff --git a/HISTORY b/HISTORY
index 3166113e..3f41ffc2 100644
--- a/HISTORY
+++ b/HISTORY
@@ -2190,3 +2190,8 @@ Video Disk Recorder Revision History
   Wiesweg).
 - Fixed channel switching in the EPG scanner on single device systems.
 - Completed the Swedish OSD texts (thanks to Tomas Prybil).
+- Now switching to the channel used by the most recently started timer in case
+  the original current channel becomes unavailable due to a recording on a
+  different transponder. If this fails, a channel up/down switch is attempted as
+  a fallback solution (thanks to Lauri Tischler for reporting this one, and to
+  Hermann Gausterer for suggesting to switch to the recording channel).
diff --git a/vdr.c b/vdr.c
index b2052551..8bb907cf 100644
--- a/vdr.c
+++ b/vdr.c
@@ -22,7 +22,7 @@
  *
  * The project's page is at http://www.cadsoft.de/people/kls/vdr
  *
- * $Id: vdr.c 1.158 2003/05/24 13:35:13 kls Exp $
+ * $Id: vdr.c 1.159 2003/05/24 15:17:38 kls Exp $
  */
 
 #include <getopt.h>
@@ -453,6 +453,7 @@ int main(int argc, char *argv[])
   cOsdObject *Menu = NULL;
   cOsdObject *Temp = NULL;
   int LastChannel = -1;
+  int LastTimerChannel = -1;
   int PreviousChannel = cDevice::CurrentChannel();
   time_t LastActivity = 0;
   int MaxLatencyTime = 0;
@@ -471,8 +472,12 @@ int main(int argc, char *argv[])
         if (!EITScanner.Active() && cDevice::PrimaryDevice()->HasDecoder() && !cDevice::PrimaryDevice()->HasProgramme()) {
            static time_t lastTime = 0;
            if (time(NULL) - lastTime > MINCHANNELWAIT) {
-              if (!Channels.SwitchTo(cDevice::CurrentChannel()))
+              if (!Channels.SwitchTo(cDevice::CurrentChannel()) // try to switch to the original channel...
+                  && !(LastTimerChannel > 0 && Channels.SwitchTo(LastTimerChannel)) // ...or the one used by the last timer...
+                  && !cDevice::SwitchChannel(1) // ...or the next higher available one...
+                  && !cDevice::SwitchChannel(-1)) // ...or the next lower available one
                  lastTime = time(NULL); // don't do this too often
+              LastTimerChannel = -1;
               }
            }
         // Restart the Watchdog timer:
@@ -499,6 +504,8 @@ int main(int argc, char *argv[])
            if (Timer) {
               if (!cRecordControls::Start(Timer))
                  Timer->SetPending(true);
+              else
+                 LastTimerChannel = Timer->Channel()->Number();
               }
            }
         // CAM control: