From 73870fc90706ced04a25f19ee72595eb3a9e4d2b Mon Sep 17 00:00:00 2001
From: Klaus Schmidinger <vdr@tvdr.de>
Date: Sun, 19 Aug 2001 14:37:17 +0200
Subject: Fixed broken recordings after a driver buffer overflow

---
 remux.c | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

(limited to 'remux.c')

diff --git a/remux.c b/remux.c
index 3c7ec6e6..f89b897b 100644
--- a/remux.c
+++ b/remux.c
@@ -8,7 +8,7 @@
  * the Linux DVB driver's 'tuxplayer' example and were rewritten to suit
  * VDR's needs.
  *
- * $Id: remux.c 1.5 2001/06/24 16:37:23 kls Exp $
+ * $Id: remux.c 1.6 2001/08/19 11:52:05 kls Exp $
  */
 
 /* The calling interface of the 'cRemux::Process()' function is defined
@@ -489,6 +489,8 @@ void cRemux::SetAudioPid(int APid)
   resultCount = resultDelivered = 0;
 }
 
+#define TS_SYNC_BYTE 0x47
+
 const uchar *cRemux::Process(const uchar *Data, int &Count, int &Result, uchar *PictureType)
 {
   uchar dummyPictureType;
@@ -511,12 +513,27 @@ XXX*/
      resultDelivered = 0;
      }
 
+  int used = 0;
+
+  // Make sure we are looking at a TS packet:
+
+  while (Count > TS_SIZE) {
+        if (Data[0] == TS_SYNC_BYTE && Data[TS_SIZE] == TS_SYNC_BYTE)
+           break;
+        Data++;
+        Count--;
+        used++;
+        }
+  if (used)
+     esyslog(LOG_ERR, "ERROR: skipped %d byte to sync on TS packet", used);
+
   // Convert incoming TS data into multiplexed PES:
 
-  int used = 0;
   for (int i = 0; i < Count; i += TS_SIZE) {
       if (Count - i < TS_SIZE)
          break;
+      if (Data[i] != TS_SYNC_BYTE)
+         break;
       int pid = GetPid(Data + i + 1);
       if (Data[i + 3] & 0x10) { // got payload
          if      (pid == vPid)              vTS2PES->ts_to_pes(Data + i);
-- 
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