Taking EPG data from 'start + 5min' for instant recordings

FORMATS

@@ -45,10 +45,14 @@ Video Disk Recorder File Formats
   The fields in a timer definition have the following meaning (from left
   to right):
 
-  - Timer active (0 = inactive, 1 = active)
-    Values larger than '1' can be used by external programs to mark active timers
+  - Timer active (0 = inactive, 1 = active, 3 = instant recording)
+    Values other than these can be used by external programs to mark active timers
     and recognize if the user has modified them. When a user modifes an active
-    timer the 'active' field will be explicitly set to '1'.
+    timer the 'active' field will be explicitly set to '1' (or '0', respectively,
+    if the user deactivates the timer).
+    Note: in order to allow future extensibility, external programs using the
+    'active' parameter should only use the upper 16 bit of this 32 bit parameter
+    and leave the lower 16 bit untouched.
   - Program number of the channel to record
   - Day of recording (in case of a repeating timer), either one or more of
       M------ = Monday

HISTORY

@@ -1014,3 +1014,7 @@ Video Disk Recorder Revision History
   will receive a "First day" setting that skips the timer for this day.
 - Fixed closing all unused file descriptors when opening a pipe (thanks to
   Werner Fink).
+- Instant recordings now take the EPG data from the point in time at 5 minutes
+  from the start time of the recording. In order for this to work the 'active'
+  parameter of a timer now uses the second bit to indicate that this is an
+  "instant" recording (see FORMATS for details).

config.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: config.c 1.84 2002/02/17 11:37:05 kls Exp $
+ * $Id: config.c 1.85 2002/02/17 15:38:34 kls Exp $
  */
 
 #include "config.h"
@@ -323,7 +323,7 @@ cTimer::cTimer(bool Instant)
 {
   startTime = stopTime = 0;
   recording = pending = false;
-  active = Instant;
+  active = Instant ? taActInst : taInactive;
   cChannel *ch = Channels.GetByNumber(cDvbApi::CurrentChannel());
   channel = ch ? ch->number : 0;
   time_t t = time(NULL);

config.h

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: config.h 1.96 2002/02/17 12:17:29 kls Exp $
+ * $Id: config.h 1.97 2002/02/17 15:41:44 kls Exp $
  */
 
 #ifndef __CONFIG_H
@@ -119,6 +119,12 @@ public:
   bool Switch(cDvbApi *DvbApi = NULL, bool Log = true);
   };
 
+enum eTimerActive { taInactive = 0,
+                    taActive   = 1,
+                    taInstant  = 2,
+                    taActInst  = (taActive | taInstant)
+                  };
+
 class cTimer : public cListObject {
 private:
   time_t startTime, stopTime;

menu.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: menu.c 1.154 2002/02/17 14:00:54 kls Exp $
+ * $Id: menu.c 1.155 2002/02/17 16:03:49 kls Exp $
  */
 
 #include "menu.h"
@@ -2436,10 +2436,12 @@ cRecordControl::~cRecordControl()
   delete fileName;
 }
 
+#define INSTANT_REC_EPG_LOOKAHEAD 300 // seconds to look into the EPG data for an instant recording
+
 bool cRecordControl::GetEventInfo(void)
 {
   cChannel *channel = Channels.GetByNumber(timer->channel);
-  time_t Time = timer->IsSingleEvent() ? timer->StartTime() + ((Setup.MarginStart * 2) + 1) * 60 : timer->StartTime() + (timer->StopTime() - timer->StartTime()) / 2;
+  time_t Time = timer->active == taActInst ? timer->StartTime() + INSTANT_REC_EPG_LOOKAHEAD : timer->StartTime() + (timer->StopTime() - timer->StartTime()) / 2;
   for (int seconds = 0; seconds <= MAXWAIT4EPGINFO; seconds++) {
       {
         cThreadLock ThreadLock;