Fixed determining the frame duration on channels where the PTS deltas jitter by +/-1 around 1800

HISTORY

@@ -6276,7 +6276,7 @@ Video Disk Recorder Revision History
 - Fixed plugin arguments corruption with glibc 2.11 on x86_64 (thanks to
   Anssi Hannula).
 
-2010-01-17: Version 1.7.12
+2010-01-23: Version 1.7.12
 
 - Changed the EVCONTENTMASK_* macros to enums and changed "mask" to "group".
 - Updated the Estonian OSD texts (thanks to Arthur Konovalov).
@@ -6294,3 +6294,5 @@ Video Disk Recorder Revision History
 - The new setup option "Miscellaneous/Channels wrap" controls whether the current
   channel wraps around the beginning or end of the channel list when zapping (thanks
   to Matti Lehtimäki).
+- Fixed determining the frame duration on channels where the PTS deltas jitter by
+  +/-1 around 1800.

remux.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: remux.c 2.37 2009/12/31 15:35:37 kls Exp $
+ * $Id: remux.c 2.38 2010/01/23 15:39:15 kls Exp $
  */
 
 #include "remux.h"
@@ -845,7 +845,7 @@ int cFrameDetector::Analyze(const uchar *Data, int Length)
                              frameDuration = 3600; // PAL, 25 fps
                           else if (Delta % 3003 == 0)
                              frameDuration = 3003; // NTSC, 29.97 fps
-                          else if (Delta == 1800) {
+                          else if (abs(Delta - 1800) <= 1) {
                              frameDuration = 3600; // PAL, 25 fps
                              framesPerPayloadUnit = -2;
                              }