From 44813e56a5aa82a86225dc7e9cfa619929e129b5 Mon Sep 17 00:00:00 2001
From: Klaus Schmidinger <vdr@tvdr.de>
Date: Mon, 27 Mar 2017 08:35:29 +0200
Subject: [PATCH] Limiting locking the mtdBuffer to reading and clearing

---
 mtd.c | 7 +++----
 mtd.h | 4 ++--
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/mtd.c b/mtd.c
index a170cbc9..acc3c705 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 1.6 2017/03/26 13:01:32 kls Exp $
+ * $Id: mtd.c 1.7 2017/03/27 08:35:29 kls Exp $
  */
 
 #include "mtd.h"
@@ -278,7 +278,7 @@ void cMtdCamSlot::StopDecrypting(void)
   cCamSlot::StopDecrypting();
   if (!MasterSlot()->IsDecrypting())
      MasterSlot()->StopDecrypting();
-  cMutexLock MutexLock(&mutex);
+  cMutexLock MutexLock(&clearMutex);
   mtdMapper->Clear();
   mtdBuffer->Clear();
   delivered = false;
@@ -298,7 +298,7 @@ uchar *cMtdCamSlot::Decrypt(uchar *Data, int &Count)
   else
      Count = 0;
   // Drop delivered data from previous call:
-  cMutexLock MutexLock(&mutex);
+  cMutexLock MutexLock(&clearMutex);
   if (delivered) {
      mtdBuffer->Del(TS_SIZE);
      delivered = false;
@@ -323,7 +323,6 @@ uchar *cMtdCamSlot::Decrypt(uchar *Data, int &Count)
 
 int cMtdCamSlot::PutData(const uchar *Data, int Count)
 {
-  cMutexLock MutexLock(&mutex);
   int Free = mtdBuffer->Free();
   Free -= Free % TS_SIZE;
   if (Free < TS_SIZE)
diff --git a/mtd.h b/mtd.h
index ea62f426..b7742022 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 1.5 2017/03/25 14:47:03 kls Exp $
+ * $Id: mtd.h 1.6 2017/03/27 08:30:00 kls Exp $
  */
 
 #ifndef __MTD_H
@@ -151,7 +151,7 @@ void MtdMapPid(uchar *p, cMtdMapper *MtdMapper);
 
 class cMtdCamSlot : public cCamSlot {
 private:
-  cMutex mutex;
+  cMutex clearMutex;
   cMtdMapper *mtdMapper;
   cRingBufferLinear *mtdBuffer;
   bool delivered;