new branch muse2, first checkin

1 files changed, 46 insertions, 0 deletions

diff --git a/muse2/muse/audioprefetch.h b/muse2/muse/audioprefetch.h
new file mode 100644
index 00000000..dda4d895
--- /dev/null
+++ b/muse2/muse/audioprefetch.h
@@ -0,0 +1,46 @@
+//=========================================================
+//  MusE
+//  Linux Music Editor
+//  $Id: audioprefetch.h,v 1.3.2.2 2009/12/20 05:00:35 terminator356 Exp $
+//
+//  (C) Copyright 2001 Werner Schweer (ws@seh.de)
+//=========================================================
+
+#ifndef __AUDIOPREFETCH_H__
+#define __AUDIOPREFETCH_H__
+
+#include "thread.h"
+
+//---------------------------------------------------------
+//   AudioPrefetch
+//---------------------------------------------------------
+
+class AudioPrefetch : public Thread {
+      unsigned writePos;
+      unsigned seekPos; // remember last seek to optimize seeks
+
+      virtual void processMsg1(const void*);
+      //void prefetch();
+      void prefetch(bool doSeek);
+      void seek(unsigned pos);
+
+      volatile int seekCount;
+      
+   public:
+      //AudioPrefetch(int prio, const char* name);
+      AudioPrefetch(const char* name);
+      
+      ~AudioPrefetch();
+      //virtual void start();
+      virtual void start(int);
+
+      void msgTick();
+      void msgSeek(unsigned samplePos, bool force=false);
+      
+      //volatile bool seekDone;
+      bool seekDone() const { return seekCount == 0; }
+      };
+
+extern AudioPrefetch* audioPrefetch;
+
+#endif