static void VdecVenc_bitsRdFillEmptyBuf(VCODEC_BITSBUF_S *pEmptyBuf)
{
    int statHdr, statData;
    int curCh;
    curCh = pEmptyBuf->chnId;

    statHdr  = fscanf(Video_Len[curCh],"%d",&(pEmptyBuf->filledBufSize));
    
    OSA_assert(pEmptyBuf->filledBufSize <= pEmptyBuf->bufSize);

    statData = fread(pEmptyBuf->bufVirtAddr,1, pEmptyBuf->filledBufSize, Video_File[curCh]);

    if( feof(Video_Len[curCh]) || statData != pEmptyBuf->filledBufSize)
    {
        clearerr(Video_Len[curCh]);
        
        fseek(Video_Len[curCh], 0 ,SEEK_SET);
        fseek(Video_File[curCh], 0, SEEK_SET);
        statHdr = fscanf(Video_Len[curCh],"%d",&(pEmptyBuf->filledBufSize));
        
        OSA_assert(pEmptyBuf->filledBufSize <= pEmptyBuf->bufSize);
        statData = fread(pEmptyBuf->bufVirtAddr,1, pEmptyBuf->filledBufSize, Video_File[curCh]);
    }
}

static Void VdecVenc_bitsRdReadData(VCODEC_BITSBUF_LIST_S  *emptyBufList)
{
    VCODEC_BITSBUF_S *pEmptyBuf;
    Int i;

    for (i = 0; i < emptyBufList->numBufs; i++)
    {
        pEmptyBuf = &emptyBufList->bitsBuf[i];
        VdecVenc_bitsRdFillEmptyBuf(pEmptyBuf);
        VdecVenc_setFrameTimeStamp(pEmptyBuf);
    }
}

char *VF_Name[24]=
{"V1.264","V2.264","V3.264","V4.264","V5.264","V6.264","V7.264","V8.264","V9.264","V10.264","V11.264","V12.264",
"V13.264","V14.264","V15.264","V16.264","V17.264","V18.264","V19.264","V20.264","V21.264","V22.264","V23.264","V24.264"};
char *VF_Len[24]=
{"V1.txt","V2.txt","V3.txt","V4.txt","V5.txt","V6.txt","V7.txt","V8.txt","V9.txt","V10.txt","V11.txt","V12.txt",
"V13.txt","V14.txt","V15.txt","V16.txt","V17.txt","V18.txt","V19.txt","V20.txt","V21.txt","V22.txt","V23.txt","V24.txt"};
//视频帧读取线程，按照固定的时间间隔从接收循环buffer中读取视频帧到解码器的输入buffer
static Void *VdecVenc_bitsRdSendFxn(Void * prm)
{
    VCODEC_BITSBUF_LIST_S emptyBufList;
    int i;
    int res = 0;
    int Period;
    int tmp_num;
    //Period = 1000/Frame_Rate;
    Period = 1000000/Frame_Rate;
    struct timeval tv_begin, tv_end;
    float runtime;
    
    struct itimerval interval, ointerval;
	interval.it_value.tv_sec = 0;
    interval.it_value.tv_usec = 1000000/Frame_Rate;
    interval.it_interval.tv_sec = 0;
    interval.it_interval.tv_usec = 1000000/Frame_Rate;
    signal(SIGALRM, timefun);

    OSA_semWait(&gVdecVenc_obj.thrStartSem,OSA_TIMEOUT_FOREVER);
    
    //setitimer(ITIMER_REAL, &interval, &ointerval);
    while (FALSE == gVdecVenc_obj.thrExit)
    {
        //OSA_semWait(&timer_Sem,OSA_TIMEOUT_FOREVER);
       
        for(i=0;i<CH_NUM;i++)
        {
            VdecVenc_bitsRdGetEmptyBitBufs(&emptyBufList, i);
            if (emptyBufList.numBufs)
            {
                VdecVenc_bitsRdReadData(&emptyBufList);
                VdecVenc_bitsRdSendFullBitBufs(&emptyBufList);
                
            }
            else
                printf("ch %d unable to get empty buffer\n", i);
        }
        
        //printf("=================\n");
        //OSA_waitMsecs(Period);
        usleep(Period);
    }
    
    return NULL;
}