The new function cStatus::ChannelChange() can be implemented by plugins to be informed about changes to the parameters of a channel that may require a retune

CONTRIBUTORS

@@ -3250,3 +3250,7 @@ Eike Sauer <EikeSauer@t-online.de>
 Christian Paulick <cpaulick@xeatre.tv>
  for reporting a problem with frame detection in MPEG-2 streams that have "bottom fields"
  or varying GOP structures
+
+Mariusz Bialonczyk <manio@skyboo.net>
+ for reporting a problem with live streaming of encrypted channels, when there are no
+ CA descriptors, yet, on initial tuning

HISTORY

@@ -8132,7 +8132,7 @@ Video Disk Recorder Revision History
   and also to use the correct directory with --edit (the latter reported by Marko
   Mäkelä).
 
-2014-01-22: Version 2.1.4
+2014-01-25: Version 2.1.4
 
 - Updated 'sources.conf' (thanks to Antti Hartikainen).
 - cFont::CreateFont() now returns a dummy font in case there are no fonts installed.
@@ -8162,3 +8162,8 @@ Video Disk Recorder Revision History
   three variations of "editing" a recording (suggested by Christoph Haubrich).
   Maintainers of translations for other languages may want to change their *.po files
   accordingly.
+- The new function cStatus::ChannelChange() can be implemented by plugins to be
+  informed about changes to the parameters of a channel that may require a retune.
+  This may, for instance, be useful for plugins that implement live streaming, so that
+  they can react on changes to a channel's PIDs or CA descriptors (problem reported
+  by Mariusz Bialonczyk).

status.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: status.c 2.1 2012/03/07 14:17:24 kls Exp $
+ * $Id: status.c 3.1 2014/01/25 10:47:39 kls Exp $
  */
 
 #include "status.h"
@@ -23,6 +23,12 @@ cStatus::~cStatus()
   statusMonitors.Del(this, false);
 }
 
+void cStatus::MsgChannelChange(const cChannel *Channel)
+{
+  for (cStatus *sm = statusMonitors.First(); sm; sm = statusMonitors.Next(sm))
+      sm->ChannelChange(Channel);
+}
+
 void cStatus::MsgTimerChange(const cTimer *Timer, eTimerChange Change)
 {
   for (cStatus *sm = statusMonitors.First(); sm; sm = statusMonitors.Next(sm))

status.h

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: status.h 2.1 2012/03/07 14:16:57 kls Exp $
+ * $Id: status.h 3.1 2014/01/25 10:47:39 kls Exp $
  */
 
 #ifndef __STATUS_H
@@ -24,6 +24,9 @@ private:
   static cList<cStatus> statusMonitors;
 protected:
   // These functions can be implemented by derived classes to receive status information:
+  virtual void ChannelChange(const cChannel *Channel) {}
+               // Indicates a change in the parameters of the given Channel that may
+               // require a retune.
   virtual void TimerChange(const cTimer *Timer, eTimerChange Change) {}
                // Indicates a change in the timer settings.
                // If Change is tcAdd or tcDel, Timer points to the timer that has
@@ -85,6 +88,7 @@ public:
   cStatus(void);
   virtual ~cStatus();
   // These functions are called whenever the related status information changes:
+  static void MsgChannelChange(const cChannel *Channel);
   static void MsgTimerChange(const cTimer *Timer, eTimerChange Change);
   static void MsgChannelSwitch(const cDevice *Device, int ChannelNumber, bool LiveView);
   static void MsgRecording(const cDevice *Device, const char *Name, const char *FileName, bool On);

vdr.c

@@ -22,7 +22,7 @@
  *
  * The project's page is at http://www.tvdr.de
  *
- * $Id: vdr.c 3.8 2014/01/16 11:25:03 kls Exp $
+ * $Id: vdr.c 3.9 2014/01/25 10:47:39 kls Exp $
  */
 
 #include <getopt.h>
@@ -60,6 +60,7 @@
 #include "skinsttng.h"
 #include "sourceparams.h"
 #include "sources.h"
+#include "status.h"
 #include "themes.h"
 #include "timers.h"
 #include "tools.h"
@@ -924,6 +925,7 @@ int main(int argc, char *argv[])
                               }
                            }
                         }
+                     cStatus::MsgChannelChange(Channel);
                      }
                   }
               Channels.Unlock();