整理代码

video/core/SerialCode.cpp

@@ -0,0 +1,107 @@
+/*
+ *******************************************************************************
+ *                                   INCLUDE
+ *******************************************************************************
+ */
+#include "SerialCode.h"
+#include <Poco/Random.h>
+
+namespace Video
+{
+namespace Core
+{
+/*
+ *******************************************************************************
+ *                                CLASS DEFINE
+ *******************************************************************************
+ */
+bool SerialCode::empty() const
+{
+    return _value.isNull();
+}
+
+void SerialCode::reset()
+{
+    return _value.clear();
+}
+
+const SerialCode& SerialCode::operator++()
+{
+    if (empty())
+        _value = 0;
+
+    ++_value;
+    return *this;
+}
+
+const SerialCode& SerialCode::operator++(int)
+{
+    if (empty())
+        _value = 0;
+
+    _value++;
+    return *this;
+}
+
+bool SerialCode::operator!=(const SerialCode& other)
+{
+    return _value != other._value;
+}
+
+const SerialCode& SerialCode::operator=(const SerialCode& other)
+{
+    _value = other._value;
+    return *this;
+}
+
+const SerialCode& SerialCode::operator=(const uint32_t value)
+{
+    _value = value;
+    return *this;
+}
+
+/*
+ *******************************************************************************
+ *                                CLASS DEFINE
+ *******************************************************************************
+ */
+SerialCodeManager::SerialCodeManager()
+{
+    Poco::Random r;
+    r.seed();
+    _code = r.next();
+}
+
+void SerialCodeManager::increment()
+{
+    _code++;
+}
+
+/*
+ *******************************************************************************
+ *                                CLASS DEFINE
+ *******************************************************************************
+ */
+bool SerialCodeWatcher::isChanged(const SerialCode& code, bool firstAsChanged)
+{
+    if (_code.empty())
+    {
+        _code = code;
+        return firstAsChanged;
+    }
+
+    if (_code != code)
+    {
+        _code = code;
+        return true;
+    }
+
+    return false;
+}
+
+void SerialCodeWatcher::reset()
+{
+    _code.reset();
+}
+}
+}