Sync early parts extracted from the non-dvbs2 patch at
http://article.gmane.org/gmane.linux.vdr/36097, fprintf(stderr) calls
changed to dsyslog().

diff -Nurp ../vdr-1.5.18-orig/device.c ./device.c
--- ../vdr-1.5.18-orig/device.c	2008-03-09 11:03:34.000000000 +0100
+++ ./device.c	2008-03-19 22:34:40.000000000 +0100
@@ -840,7 +840,7 @@ eSetChannelResult cDevice::SetChannel(co
            }
         for (int i = 0; i < MAXSPIDS; i++)
             SetAvailableTrack(ttSubtitle, i, Channel->Spid(i), Channel->Slang(i));
-        if (!NeedsTransferMode)
+        if (!NeedsTransferMode || GetCurrentAudioTrack() == ttNone)
            EnsureAudioTrack(true);
         EnsureSubtitleTrack();
         }
diff -Nurp ../vdr-1.5.18-orig/remux.c ./remux.c
--- ../vdr-1.5.18-orig/remux.c	2007-11-25 14:56:03.000000000 +0100
+++ ./remux.c	2008-02-24 19:47:40.000000000 +0100
@@ -1896,12 +2526,13 @@ int cRingBufferLinearPes::DataReady(cons
 
 #define RESULTBUFFERSIZE KILOBYTE(256)
 
-cRemux::cRemux(int VPid, const int *APids, const int *DPids, const int *SPids, bool ExitOnFailure)
+cRemux::cRemux(int VPid, const int *APids, const int *DPids, const int *SPids, bool ExitOnFailure, bool SyncEarly)
 {
   exitOnFailure = ExitOnFailure;
   noVideo = VPid == 0 || VPid == 1 || VPid == 0x1FFF;
   numUPTerrors = 0;
   synced = false;
+  syncEarly = SyncEarly;
   skipped = 0;
   numTracks = 0;
   resultSkipped = 0;
@@ -2105,12 +2840,14 @@ uchar *cRemux::Get(int &Count, uchar *Pi
                         }
                      }
                   else if (!synced) {
-                     if (pt == I_FRAME) {
+                     if (pt == I_FRAME || syncEarly) {
                         if (PictureType)
                            *PictureType = pt;
                         resultSkipped = i; // will drop everything before this position
-                        SetBrokenLink(data + i, l);
                         synced = true;
+                        if (pt == I_FRAME) // syncEarly: it's ok but there is no need to call SetBrokenLink()
+                           SetBrokenLink(data + i, l);
+else dsyslog("video: synced early");
                         }
                      }
                   else if (Count)
@@ -2123,17 +2860,19 @@ uchar *cRemux::Get(int &Count, uchar *Pi
                l = GetPacketLength(data, resultCount, i);
                if (l < 0)
                   return resultData;
-               if (noVideo) {
+               if (noVideo || !synced && syncEarly) {
+                  uchar pt = NO_PICTURE;
                   if (!synced) {
-                     if (PictureType)
-                        *PictureType = I_FRAME;
+                     if (PictureType && noVideo)
+                        *PictureType = pt;
                      resultSkipped = i; // will drop everything before this position
                      synced = true;
+if (!noVideo) dsyslog("audio: synced early");
                      }
                   else if (Count)
                      return resultData;
                   else if (PictureType)
-                     *PictureType = I_FRAME;
+                     *PictureType = pt;
                   }
                }
             if (synced) {
diff -Nurp ../vdr-1.5.18-orig/remux.h ./remux.h
--- ../vdr-1.5.18-orig/remux.h	2007-09-02 12:19:06.000000000 +0200
+++ ./remux.h	2008-02-24 19:47:40.000000000 +0100
@@ -40,6 +40,7 @@
   bool noVideo;
   int numUPTerrors;
   bool synced;
+  bool syncEarly;
   int skipped;
   cTS2PES *ts2pes[MAXTRACKS];
   int numTracks;
@@ -47,12 +48,13 @@
   int resultSkipped;
   int GetPid(const uchar *Data);
 public:
-  cRemux(int VPid, const int *APids, const int *DPids, const int *SPids, bool ExitOnFailure = false);
+  cRemux(int VPid, const int *APids, const int *DPids, const int *SPids, bool ExitOnFailure = false, bool SyncEarly = false);
        ///< Creates a new remuxer for the given PIDs. VPid is the video PID, while
        ///< APids, DPids and SPids are pointers to zero terminated lists of audio,
        ///< dolby and subtitle PIDs (the pointers may be NULL if there is no such
        ///< PID). If ExitOnFailure is true, the remuxer will initiate an "emergency
-       ///< exit" in case of problems with the data stream.
+       ///< exit" in case of problems with the data stream. SyncEarly causes cRemux
+       ///< to sync as soon as a video or audio frame is seen.
   ~cRemux();
   void SetTimeouts(int PutTimeout, int GetTimeout) { resultBuffer->SetTimeouts(PutTimeout, GetTimeout); }
        ///< By default cRemux assumes that Put() and Get() are called from different
diff -Nurp ../vdr-1.5.18-orig/transfer.c ./transfer.c
--- ../vdr-1.5.18-orig/transfer.c	2007-01-05 11:45:28.000000000 +0100
+++ ./transfer.c	2008-02-24 19:47:40.000000000 +0100
@@ -19,7 +19,7 @@ cTransfer::cTransfer(tChannelID ChannelI
 ,cThread("transfer")
 {
   ringBuffer = new cRingBufferLinear(TRANSFERBUFSIZE, TS_SIZE * 2, true, "Transfer");
-  remux = new cRemux(VPid, APids, Setup.UseDolbyDigital ? DPids : NULL, SPids);
+  remux = new cRemux(VPid, APids, Setup.UseDolbyDigital ? DPids : NULL, SPids, false, true);
 }
 
 cTransfer::~cTransfer()