1 files changed, 49 insertions, 0 deletions
diff --git a/lib/recycler.h b/lib/recycler.h
new file mode 100644
index 000000000..b01742350
--- /dev/null
+++ b/lib/recycler.h
@@ -0,0 +1,49 @@
+// Copyright (c) 2000-2001 Brad Hughes <bhughes@trolltech.com>
+//
+// Use, modification and distribution is allowed without limitation,
+// warranty, or liability of any kind.
+//
+
+#ifndef __recycler_h
+#define __recycler_h
+
+#include <QMutex>
+#include <QWaitCondition>
+
+class Buffer;
+
+
+class Recycler
+{
+public:
+    Recycler(unsigned int sz); // sz = size in bytes
+    ~Recycler();
+
+    bool full() const;
+    bool empty() const;
+
+    int available() const;
+    int used() const;
+
+    Buffer *next(); // get next in queue
+    Buffer *get(); // get next in recycle
+
+    void add(); // add to queue
+    void done(); // add to recycle
+
+    void clear(); // clear queue
+
+    unsigned int size() const; // size in bytes
+
+    QMutex *mutex() { return &mtx; }
+    QWaitCondition *cond() { return &cnd; }
+
+
+private:
+    unsigned int buffer_count, add_index, done_index, current_count;
+    Buffer **buffers;
+    QMutex mtx;
+    QWaitCondition cnd;
+};
+
+#endif // __recycler_h