From e2756f8e9ad544ff085a44a0e26338257172e85a Mon Sep 17 00:00:00 2001
From: Klaus Schmidinger <vdr@tvdr.de>
Date: Sun, 19 Mar 2017 13:33:53 +0100
Subject: Now clearing the MTD buffer

---
 mtd.c | 9 +++++++--
 mtd.h | 3 ++-
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/mtd.c b/mtd.c
index 1ae2ccff..0de0a041 100644
--- a/mtd.c
+++ b/mtd.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: mtd.c 1.1 2017/03/18 14:31:34 kls Exp $
+ * $Id: mtd.c 1.2 2017/03/19 13:33:53 kls Exp $
  */
 
 #include "mtd.h"
@@ -223,6 +223,7 @@ cMtdCamSlot::cMtdCamSlot(cCamSlot *MasterSlot, int Index)
   mtdBuffer = new cRingBufferLinear(MTD_BUFFER_SIZE, TS_SIZE, true, "MTD buffer");
   mtdMapper = new cMtdMapper(Index + 1, MasterSlot->SlotNumber());
   delivered = false;
+  clearBuffer = false;
   ciAdapter = MasterSlot->ciAdapter; // we don't pass the CI adapter in the constructor, to prevent this one from being inserted into CamSlots
 }
 
@@ -271,7 +272,7 @@ void cMtdCamSlot::StopDecrypting(void)
 {
   cCamSlot::StopDecrypting();
   mtdMapper->Clear();
-  //XXX mtdBuffer->Clear(); //XXX would require locking?
+  clearBuffer = true;
 }
 
 bool cMtdCamSlot::IsDecrypting(void)
@@ -297,6 +298,10 @@ uchar *cMtdCamSlot::Decrypt(uchar *Data, int &Count)
      mtdBuffer->Del(TS_SIZE);
      delivered = false;
      }
+  if (clearBuffer) {
+     mtdBuffer->Clear();
+     clearBuffer = false;
+     }
   // Receive data from buffer:
   int c = 0;
   uchar *d = mtdBuffer->Get(c);
diff --git a/mtd.h b/mtd.h
index 9375b682..b9cf55ae 100644
--- a/mtd.h
+++ b/mtd.h
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: mtd.h 1.2 2017/03/19 10:48:52 kls Exp $
+ * $Id: mtd.h 1.3 2017/03/19 13:32:48 kls Exp $
  */
 
 #ifndef __MTD_H
@@ -154,6 +154,7 @@ private:
   cMtdMapper *mtdMapper;
   cRingBufferLinear *mtdBuffer;
   bool delivered;
+  bool clearBuffer;
 protected:
   virtual const int *GetCaSystemIds(void);
   virtual void SendCaPmt(uint8_t CmdId);
-- 
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