/// <summary>
/// 播放历史视频
/// </summary>
/// <param name="nvr"></param>
/// <param name="channel"></param>
/// <param name="start"></param>
/// <param name="end"></param>
/// <param name="handle"></param>
/// <param name="iPlayBack"></param>
/// <returns></returns>
public int playBackByTime(int nvr, int channel, DateTime start, DateTime end, IntPtr handle, PlayBackEvent iPlayBack)
{
NVR_INFO nvrInfo = (NVR_INFO)nvrConfig[nvr];
if (nvrInfo == null)
{
return(Convert.ToInt32(NVR_ERROR.NO_NVR_CFG));
}
if (nvrInfo.session < 1)
{
return(Convert.ToInt32(NVR_ERROR.NO_LOGIN));
}
NvrInterface nvrAdp = (NvrInterface)nvrAdapters[nvrInfo.type];
if (nvrAdp == null)
{
return(Convert.ToInt32(NVR_ERROR.NO_NVR_ADP));
}
return(nvrAdp.playBackByTime(nvrInfo.session, channel, start, end, handle, iPlayBack));
}
/// <summary>
/// 根据时间进行回放
/// </summary>
/// <param name="session"></param>
/// <param name="cha"></param>
/// <param name="start"></param>
/// <param name="end"></param>
/// <param name="handle"></param>
/// <returns></returns>
int NvrInterface.playBackByTime(int session, int cha, DateTime start, DateTime end, IntPtr handle, PlayBackEvent iPlayBack)
{
int result;
// 播放信息的对象
CHCNetSDK.NET_DVR_VOD_PARA struVodPara = new CHCNetSDK.NET_DVR_VOD_PARA();
struVodPara.dwSize = (uint)Marshal.SizeOf(struVodPara);
struVodPara.struIDInfo.dwChannel = (uint)cha;
struVodPara.hWnd = handle;
// 开始时间
struVodPara.struBeginTime.dwYear = (uint)start.Year;
struVodPara.struBeginTime.dwMonth = (uint)start.Month;
struVodPara.struBeginTime.dwDay = (uint)start.Day;
struVodPara.struBeginTime.dwHour = (uint)start.Hour;
struVodPara.struBeginTime.dwMinute = (uint)start.Minute;
struVodPara.struBeginTime.dwSecond = (uint)start.Second;
// 结束时间
struVodPara.struEndTime.dwYear = (uint)end.Year;
struVodPara.struEndTime.dwMonth = (uint)end.Month;
struVodPara.struEndTime.dwDay = (uint)end.Day;
struVodPara.struEndTime.dwHour = (uint)end.Hour;
struVodPara.struEndTime.dwMinute = (uint)end.Minute;
struVodPara.struEndTime.dwSecond = (uint)end.Second;
result = CHCNetSDK.NET_DVR_PlayBackByTime_V40(session - 1, ref struVodPara);
if (result == -1)
{
// 播放失败
return(0);
}
else
{
// 播放成功
PlayBackCtlBlock ctlBlack = new PlayBackCtlBlock();
ctlBlack.session = result + 1;
ctlBlack.start = start;
ctlBlack.end = end;
ctlBlack.even = iPlayBack;
playBackBlocks.Add(result + 1, ctlBlack);
return(result + 1);
}
}
