When estimating the remaining disk space (in hours), the average data rate of all existing recordings is now taken into account

recording.h

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: recording.h 2.29 2012/03/12 11:44:06 kls Exp $
+ * $Id: recording.h 2.30 2012/03/13 12:41:05 kls Exp $
  */
 
 #ifndef __RECORDING_H
@@ -129,6 +129,9 @@ public:
        ///< If the number of frames is unknown, -1 will be returned.
   int LengthInSeconds(void) const;
        ///< Returns the length (in seconds) of this recording, or -1 in case of error.
+  int FileSizeMB(void) const;
+       ///< Returns the total file size of this recording (in MB), or -1 if the file
+       ///< size is unknown.
   bool IsNew(void) const { return GetResume() <= 0; }
   bool IsEdited(void) const;
   bool IsPesRecording(void) const { return isPesRecording; }
@@ -190,7 +193,10 @@ public:
   void AddByName(const char *FileName, bool TriggerUpdate = true);
   void DelByName(const char *FileName);
   void UpdateByName(const char *FileName);
-  int TotalFileSizeMB(void); ///< Only for deleted recordings!
+  int TotalFileSizeMB(void);
+  double MBperMinute(void);
+       ///< Returns the average data rate (in MB/min) of all recordings, or -1 if
+       ///< this value is unknown.
   };
 
 extern cRecordings Recordings;