[ANNOUNCE] H.264 updates for VDR-1.5.9

diff -Nurp ../vdr-1.5.2-orig/device.c ./device.c
--- ../vdr-1.5.2-orig/device.c	2007-01-13 13:05:00.000000000 +0100
+++ ./device.c	2007-05-06 21:13:58.000000000 +0200
@@ -735,7 +735,7 @@  eSetChannelResult cDevice::SetChannel(co
            for (int i = 0; i < MAXDPIDS; i++)
                SetAvailableTrack(ttDolby, i, Channel->Dpid(i), Channel->Dlang(i));
            }
-        if (!NeedsTransferMode)
+        if (!NeedsTransferMode || GetCurrentAudioTrack() == ttNone)
            EnsureAudioTrack(true);
         }
      cStatus::MsgChannelSwitch(this, Channel->Number()); // only report status if channel switch successfull
diff -Nurp ../vdr-1.5.2-orig/remux.c ./remux.c
--- ../vdr-1.5.2-orig/remux.c	2007-02-24 17:36:10.000000000 +0100
+++ ./remux.c	2007-05-06 21:13:58.000000000 +0200
@@ -2166,14 +2166,15 @@  void cTS2PES::ts_to_pes(const uint8_t *B
 
 #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)
 {
   h264 = VPID_IS_H264(VPid);
   VPid = VPID_FROM_ANY(VPid);
   exitOnFailure = ExitOnFailure;
   isRadio = VPid == 0 || VPid == 1 || VPid == 0x1FFF;
   numUPTerrors = 0;
   synced = false;
+  syncEarly = SyncEarly;
   skipped = 0;
   numTracks = 0;
   resultSkipped = 0;
@@ -2438,12 +2439,14 @@  uchar *cRemux::Get(int &Count, uchar *Pi
                         ShutdownHandler.RequestEmergencyExit();
                      }
                   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 fprintf(stderr, "video: synced early\n");
                         }
                      }
                   else if (Count)
@@ -2456,12 +2459,13 @@  uchar *cRemux::Get(int &Count, uchar *Pi
                l = GetPacketLength(data, resultCount, i);
                if (l < 0)
                   return resultData;
-               if (isRadio) {
+               if (isRadio || !synced && syncEarly) {
                   if (!synced) {
-                     if (PictureType)
+                     if (PictureType && isRadio)
                         *PictureType = I_FRAME;
                      resultSkipped = i; // will drop everything before this position
                      synced = true;
+if (!isRadio) fprintf(stderr, "audio: synced early\n");
                      }
                   else if (Count)
                      return resultData;
diff -Nurp ../vdr-1.5.2-orig/remux.h ./remux.h
--- ../vdr-1.5.2-orig/remux.h	2006-03-25 13:27:30.000000000 +0100
+++ ./remux.h	2007-05-06 21:13:58.000000000 +0200
@@ -41,6 +41,7 @@  private:
   bool h264;
   int numUPTerrors;
   bool synced;
+  bool syncEarly;
   int skipped;
   cTS2PES *ts2pes[MAXTRACKS];
   int numTracks;
@@ -49,12 +50,13 @@  private:
   int GetPid(const uchar *Data);
   int ScanVideoPacket(const uchar *Data, int Count, int Offset, uchar &PictureType);
 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-1.5.2-orig/transfer.c ./transfer.c
--- ../vdr-1.5.2-orig/transfer.c	2007-01-05 11:45:28.000000000 +0100
+++ ./transfer.c	2007-05-06 21:14:39.000000000 +0200
@@ -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()