changed: allow cache buffer size to be configured via advancedsetting…

…s rather than hardcoded.

Thanks ralfonat. Acked by elupus.

(cherry picked from commit acf0e0874177f9b44259d06528f61e7959a375d6)

git-svn-id: https://xbmc.svn.sourceforge.net/svnroot/xbmc/branches/Dharma@35643 568bbfeb-2a22-0410-94d2-cc84cf5bfa90

xbmc/AdvancedSettings.cpp

@@ -271,6 +271,8 @@ void CAdvancedSettings::Initialize()
   m_bgInfoLoaderMaxThreads = 5;
 
   m_measureRefreshrate = false;
+
+  m_cacheMemBufferSize = (1048576 * 5);
 }
 
 bool CAdvancedSettings::Load()
@@ -499,6 +501,7 @@ bool CAdvancedSettings::Load()
     XMLUtils::GetInt(pElement, "curllowspeedtime", m_curllowspeedtime, 1, 1000);
     XMLUtils::GetInt(pElement, "curlretries", m_curlretries, 0, 10);
     XMLUtils::GetBoolean(pElement,"disableipv6", m_curlDisableIPV6);
+    XMLUtils::GetUInt(pElement, "cachemembuffersize", m_cacheMemBufferSize);
   }
 
   pElement = pRootElement->FirstChildElement("samba");

xbmc/AdvancedSettings.h

@@ -269,6 +269,8 @@ class CAdvancedSettings
 
     DatabaseSettings m_databaseMusic; // advanced music database setup
     DatabaseSettings m_databaseVideo; // advanced video database setup
+
+    unsigned int m_cacheMemBufferSize;
 };
 
 extern CAdvancedSettings g_advancedSettings;

xbmc/FileSystem/CacheMemBuffer.cpp

@@ -22,15 +22,14 @@
 #ifdef _LINUX
 #include "../linux/PlatformDefs.h"
 #endif
+#include "AdvancedSettings.h"
 #include "CacheMemBuffer.h"
 #include "utils/log.h"
 #include "utils/SingleLock.h"
 #include "utils/TimeUtils.h"
 
 #include <math.h>
 
-#define CACHE_BUFFER_SIZE (1048576 * 5)
-
 using namespace XFILE;
 
 #define SEEK_CHECK_RET(x) if (!(x)) return -1;
@@ -39,9 +38,9 @@ CacheMemBuffer::CacheMemBuffer()
  : CCacheStrategy()
 {
   m_nStartPosition = 0;
-  m_buffer.Create(CACHE_BUFFER_SIZE + 1);
-  m_HistoryBuffer.Create(CACHE_BUFFER_SIZE + 1);
-  m_forwardBuffer.Create(CACHE_BUFFER_SIZE + 1);
+  m_buffer.Create(g_advancedSettings.m_cacheMemBufferSize + 1);
+  m_HistoryBuffer.Create(g_advancedSettings.m_cacheMemBufferSize + 1);
+  m_forwardBuffer.Create(g_advancedSettings.m_cacheMemBufferSize + 1);
 }