From 3a3d4c2a5ac69591c0c4cb922bd34a0c9dfd38e0 Mon Sep 17 00:00:00 2001
From: Klaus Schmidinger <vdr@tvdr.de>
Date: Sun, 15 Sep 2002 11:52:43 +0200
Subject: Only calling cStatus::MsgChannelSwitch() for actual switching

---
 CONTRIBUTORS |  2 ++
 HISTORY      |  3 +++
 device.c     | 23 +++++++++++++----------
 3 files changed, 18 insertions(+), 10 deletions(-)

diff --git a/CONTRIBUTORS b/CONTRIBUTORS
index 1cf1e4b5..8e410efc 100644
--- a/CONTRIBUTORS
+++ b/CONTRIBUTORS
@@ -148,6 +148,8 @@ Stefan Huelswitt <huels@iname.com>
  for reporting a bug when entering an integer value outside the limit
  for adding play mode pmAudioOnlyBlack
  for helping to fix starting a recording of the current channel with only one DVB card
+ for making cStatus::MsgChannelSwitch() only be called if a channel is actually going to
+ be switched or has actually been switched successfully
 
 Ulrich Röder <roeder@efr-net.de>
  for pointing out that there are channels that have a symbol rate higher than
diff --git a/HISTORY b/HISTORY
index 571cee90..bc54e6fa 100644
--- a/HISTORY
+++ b/HISTORY
@@ -1468,3 +1468,6 @@ Video Disk Recorder Revision History
   (thanks to Stefan Huelswitt for his help).
 - A previous 'Transfer Mode' is now automatically re-started after a replay
   stops.
+- Only calling cStatus::MsgChannelSwitch() if a channel is actually going to
+  be switched or has actually been switched successfully (thanks to Stefan
+  Huelswitt).
diff --git a/device.c b/device.c
index 58e07ce7..830c3ef3 100644
--- a/device.c
+++ b/device.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: device.c 1.20 2002/09/15 11:05:41 kls Exp $
+ * $Id: device.c 1.21 2002/09/15 11:50:19 kls Exp $
  */
 
 #include "device.h"
@@ -326,8 +326,6 @@ bool cDevice::SwitchChannel(int Direction)
 
 eSetChannelResult cDevice::SetChannel(const cChannel *Channel, bool LiveView)
 {
-  cStatus::MsgChannelSwitch(this, 0);
-
   if (LiveView)
      StopReplay();
 
@@ -344,6 +342,7 @@ eSetChannelResult cDevice::SetChannel(const cChannel *Channel, bool LiveView)
   if (NeedsTransferMode) {
      cDevice *CaDevice = GetDevice(Channel, 0);
      if (CaDevice) {
+        cStatus::MsgChannelSwitch(this, 0); // only report status if we are actually going to switch the channel
         if (CaDevice->SetChannel(Channel, false) == scrOk) // calling SetChannel() directly, not SwitchChannel()!
            cControl::Launch(new cTransferControl(CaDevice, Channel->vpid, Channel->apid1, 0, 0, 0));//XXX+
         else
@@ -352,15 +351,19 @@ eSetChannelResult cDevice::SetChannel(const cChannel *Channel, bool LiveView)
      else
         Result = scrNotAvailable;
      }
-  else if (!SetChannelDevice(Channel, LiveView))
-     Result = scrFailed;
-
-  if (Result == scrOk && LiveView && IsPrimaryDevice()) {
-     cSIProcessor::SetCurrentServiceID(Channel->pnr);
-     currentChannel = Channel->number;
+  else {
+     cStatus::MsgChannelSwitch(this, 0); // only report status if we are actually going to switch the channel
+     if (!SetChannelDevice(Channel, LiveView))
+        Result = scrFailed;
      }
 
-  cStatus::MsgChannelSwitch(this, Channel->number);
+  if (Result == scrOk) {
+     if (LiveView && IsPrimaryDevice()) {
+        cSIProcessor::SetCurrentServiceID(Channel->pnr);
+        currentChannel = Channel->number;
+        }
+     cStatus::MsgChannelSwitch(this, Channel->number); // only report status if channel switch successfull
+     }
 
   return Result;
 }
-- 
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