pts_buf.h

这是在PCA下的基于IPP库示例代码例子,在网上下了IPP的库之后,设置相关参数就可以编译该代码.

/* ////////////////////////////////////////////////////////////////////////// */
//
//              INTeL CORPORATION PROPRIETARY INFORMATION
//  This software is supplied under the terms of a license  agreement or
//  nondisclosure agreement with Intel Corporation and may not be copied
//  or disclosed except in  accordance  with the terms of that agreement.
//        Copyright (c) 2003-2005 Intel Corporation. All Rights Reserved.
//

#ifndef __PTS_BUFFER_H__
#define __PTS_BUFFER_H__

#include "array.h"
#include "umc_mutex.h"
#include "vm_debug.h"
#include "umc_structures.h"

namespace UMC
{
    class BufPTSArray
    {
    public:
        BufPTSArray(): m_dfNorm(1) {}
        ~BufPTSArray() {}

        Status Init(const vm_var32 uiArraySize,
                    const double fdNorm);

        Status SetFramePTS(const vm_var32 uiBufPos,
                           const vm_var32 uiLen,
                           const double dfPTS);

        Status UpdateFramePTS(const vm_var32 uiOldBufPos,
                              const vm_var32 uiNewBufPos,
                              const vm_var32 uiNewLen,
                              const double dfNewPTS);
        double DynamicSetParams(const double fdNorm);

        double GetTime(const vm_var32 uiCurPos);
        void Reset();

    protected:
        struct sPtsEntry
        {
            double dfPts;
            vm_var32 uiStart;
            vm_var32 uiLen;
            sPtsEntry():dfPts(-1),uiStart(0),uiLen(0){}
        };

        void Normalize();

        SimpleArray<sPtsEntry>  m_PtsArray;
        double                  m_dfNorm;
        Mutex                   m_Mutex;
    };


    class BufPTSArrayM
    {
    protected:
        struct sPtsEntry {
            double dfPts;
            vm_var32 uiStart;
            vm_var32 uiLen;
            sPtsEntry() {
                dfPts = -1;
                uiStart = 0;
                uiLen = 0;
            }
        };

        SimpleArray<sPtsEntry>  m_PtsArray;
        double      m_dfNorm;
        Mutex       m_Mutex;

        int m_doNormalize;

        void Normalize();

    public:
        BufPTSArrayM(): m_dfNorm(1) {};
        ~BufPTSArrayM() {}

        Status Init(const vm_var32 uiArraySize,
                    const double fdNorm,
                    bool bNormalize);

        Status SetFramePTS(const vm_var32 uiBufPos,
                           const vm_var32 uiLen,
                           const double dfPTS);

        Status UpdateFramePTS(const vm_var32 uiOldBufPos,
                              const vm_var32 uiNewBufPos,
                              const vm_var32 uiNewLen,
                              const double dfNewPTS);

        double GetTime(const vm_var32 uiCurPos);
        void Reset();
    };


}  //  namespace UMC
#endif  //  __PTS_BUFFER_H__