From e2f0edd8f631aa1af3afcaf9d41538939b6358b0 Mon Sep 17 00:00:00 2001
From: Klaus Schmidinger <vdr@tvdr.de>
Date: Thu, 6 Feb 2014 10:57:45 +0100
Subject: [PATCH] Fixed numbering frames

---
 HISTORY     | 7 ++++++-
 recording.c | 8 ++++----
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/HISTORY b/HISTORY
index 7ea82952..b1b1a09e 100644
--- a/HISTORY
+++ b/HISTORY
@@ -8170,7 +8170,7 @@ Video Disk Recorder Revision History
 - Fixed a superfluous call to the skin's SetRecording() function after renaming a
   recording (reported by Christoph Haubrich).
 
-2014-02-04: Version 2.1.5
+2014-02-06: Version 2.1.5
 
 - Now checking whether the primary device actually has a decoder before retuning the
   current channel after a change in its parameters. This fixes broken recordings on
@@ -8185,3 +8185,8 @@ Video Disk Recorder Revision History
 - Updated the Estonian OSD texts (thanks to Arthur Konovalov).
 - Further clarified the semantics of cCamSlot::Decrypt().
 - Fixed flickering if subtitles are active while the OSD demo is running.
+- Fixed numbering frames. Previously they were numbered starting from 1, while it
+  is apparently standard to number them from 0. Any existing recordings with editing
+  marks (which will now be off by one) can still be cut with all VDR versions from
+  1.7.32, because these will automatically adjust editing marks to I-frames.
+  Users of stable releases shouldn't notice any problems.
diff --git a/recording.c b/recording.c
index 92b2e416..3a589431 100644
--- a/recording.c
+++ b/recording.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: recording.c 3.14 2014/01/29 10:38:46 kls Exp $
+ * $Id: recording.c 3.15 2014/02/05 10:08:41 kls Exp $
  */
 
 #include "recording.h"
@@ -2923,7 +2923,7 @@ cString IndexToHMSF(int Index, bool WithFrame, double FramesPerSecond)
      Sign = "-";
      }
   double Seconds;
-  int f = int(modf((Index + 0.5) / FramesPerSecond, &Seconds) * FramesPerSecond + 1);
+  int f = int(modf((Index + 0.5) / FramesPerSecond, &Seconds) * FramesPerSecond);
   int s = int(Seconds);
   int m = s / 60 % 60;
   int h = s / 3600;
@@ -2936,9 +2936,9 @@ int HMSFToIndex(const char *HMSF, double FramesPerSecond)
   int h, m, s, f = 1;
   int n = sscanf(HMSF, "%d:%d:%d.%d", &h, &m, &s, &f);
   if (n == 1)
-     return h - 1; // plain frame number
+     return h; // plain frame number
   if (n >= 3)
-     return int(round((h * 3600 + m * 60 + s) * FramesPerSecond)) + f - 1;
+     return int(round((h * 3600 + m * 60 + s) * FramesPerSecond)) + f;
   return 0;
 }