From 6e6e468148e231156be0cccf1ecd3f6eab5b5970 Mon Sep 17 00:00:00 2001
From: Klaus Schmidinger <vdr@tvdr.de>
Date: Thu, 22 Aug 2013 12:02:12 +0200
Subject: [PATCH] cDevice::IsPrimaryDevice() now also checks whether the
 primary device actually has a decoder and returns false otherwise

---
 HISTORY  | 3 +++
 device.h | 4 ++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/HISTORY b/HISTORY
index e8bb6ea0..0ab944f6 100644
--- a/HISTORY
+++ b/HISTORY
@@ -7821,3 +7821,6 @@ Video Disk Recorder Revision History
 - Fixed handling LIRC events in case repeated events are lost.
 - Fixed a possible crash when shutting down VDR while subtitles are being displayed
   (reported by Ville Skyttä).
+- cDevice::IsPrimaryDevice() now also checks whether the primary device actually has
+  a decoder and returns false otherwise. This should improve device allocation on
+  systems that are only used as a receiver and don't actually display anything.
diff --git a/device.h b/device.h
index fd010d41..6ba5c38d 100644
--- a/device.h
+++ b/device.h
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: device.h 2.47 2013/02/16 15:20:01 kls Exp $
+ * $Id: device.h 2.47.1.1 2013/08/22 12:01:48 kls Exp $
  */
 
 #ifndef __DEVICE_H
@@ -196,7 +196,7 @@ protected:
          ///< A derived class must call the MakePrimaryDevice() function of its
          ///< base class.
 public:
-  bool IsPrimaryDevice(void) const { return this == primaryDevice; }
+  bool IsPrimaryDevice(void) const { return this == primaryDevice && HasDecoder(); }
   int CardIndex(void) const { return cardIndex; }
          ///< Returns the card index of this device (0 ... MAXDEVICES - 1).
   int DeviceNumber(void) const;