pts_buf.h

audio-video-codecs.rar语音编解码器

/*
//
//                  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) 2003-2007 Intel Corporation. All Rights Reserved.
//
*/

#ifndef __PTS_BUF_H__
#define __PTS_BUF_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 Ipp32u uiArraySize,
                    const Ipp64f fdNorm);

        Status SetFramePTS(const Ipp32u uiBufPos,
                           const Ipp32u uiLen,
                           const Ipp64f dfPTS);

        Status UpdateFramePTS(const Ipp32u uiOldBufPos,
                              const Ipp32u uiNewBufPos,
                              const Ipp32u uiNewLen,
                              const Ipp64f dfNewPTS);
        Ipp64f DynamicSetParams(const Ipp64f fdNorm);

        Ipp64f GetTime(const Ipp32u uiCurPos);
        void Reset();

    protected:
        struct sPtsEntry
        {
            Ipp64f dfPts;
            Ipp32u uiStart;
            Ipp32u uiLen;
            sPtsEntry(): dfPts(-1), uiStart(0), uiLen(0) {}
        };

        void Normalize();

        SimpleArray<sPtsEntry>  m_PtsArray;
        Ipp64f                  m_dfNorm;
        Mutex                   m_Mutex;
    };


    class BufPTSArrayM
    {
    protected:
        struct sPtsEntry {
            Ipp64f dfPts;
            Ipp32u uiStart;
            Ipp32u uiLen;
            sPtsEntry() {
                dfPts = -1;
                uiStart = 0;
                uiLen = 0;
            }
        };

        SimpleArray<sPtsEntry> m_PtsArray;
        Ipp64f                 m_dfNorm;
        Mutex                  m_Mutex;
        Ipp32s                 m_doNormalize;

        void Normalize();

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

        Status Init(const Ipp32u uiArraySize,
                    const Ipp64f fdNorm,
                    bool bNormalize);

        Status SetFramePTS(const Ipp32u uiBufPos,
                           const Ipp32u uiLen,
                           const Ipp64f dfPTS);

        Status UpdateFramePTS(const Ipp32u uiOldBufPos,
                              const Ipp32u uiNewBufPos,
                              const Ipp32u uiNewLen,
                              const Ipp64f dfNewPTS);

        Ipp64f GetTime(const Ipp32u uiCurPos);
        void Reset();
    };
}  //  namespace UMC

#endif  //  __PTS_BUF_H__