39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
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#ifndef __GCircleQueue_H__
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#define __GCircleQueue_H__
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#include <QMutex>
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#include <QMutexLocker>
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#include <QWaitCondition>
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#include <Windows.h>
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const int DEFAULT_QUEUE_SIZE = 16; //默认队列长度
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class GCycleQueue
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{
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public:
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GCycleQueue();
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virtual ~GCycleQueue();
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bool InitQueue(int nFrameSize, int nQueueSize = DEFAULT_QUEUE_SIZE);
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bool PushBack(unsigned char* pFrameData, int nFrameSize, int& nRes);
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bool GetFront(unsigned char* pFrameData, int& nFrameSize);
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unsigned char* GetFrontPoint();
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bool GetBack(unsigned char* pFrameData, int& nFrameSize);
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bool IsEmpty();
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void Clear();
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int Size();
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protected:
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void DestroyQueue();
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private:
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const int m_nFrameSize;
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int m_nQueueSize;
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unsigned char* m_ptrFrameQueue;
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// unsigned char (*m_ptrFrameQueue)[MAX_FRAME_SIZE];
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int m_nFront;
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int m_nTail;
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QMutex m_mutex;
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};
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#endif // !__GCircleQueue_H__
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