/// <summary>
/// 回放控制
/// </summary>
/// <param name="session"></param>
/// <param name="cmd"></param>
/// <param name="parm"></param>
/// <returns></returns>
int NvrInterface.playBackCtl(int session, PLAY_BACK_CMD cmd, Object parm)
{
uint iOutValue = 0;
switch (cmd)
{
case PLAY_BACK_CMD.START: // 播放
CHCNetSDK.NET_DVR_PlayBackControl_V40(session - 1, CHCNetSDK.NET_DVR_PLAYSTART, IntPtr.Zero, 0, IntPtr.Zero, ref iOutValue);
break;
case PLAY_BACK_CMD.PAUSE: // 暂停
CHCNetSDK.NET_DVR_PlayBackControl_V40(session - 1, CHCNetSDK.NET_DVR_PLAYPAUSE, IntPtr.Zero, 0, IntPtr.Zero, ref iOutValue);
break;
case PLAY_BACK_CMD.RESUME: // 恢复
CHCNetSDK.NET_DVR_PlayBackControl_V40(session - 1, CHCNetSDK.NET_DVR_PLAYRESTART, IntPtr.Zero, 0, IntPtr.Zero, ref iOutValue);
break;
case PLAY_BACK_CMD.POSITION: // 定位
DateTime pTime = (DateTime)parm;
CHCNetSDK.NET_DVR_TIME pTimeS = new CHCNetSDK.NET_DVR_TIME();
uint inSize = (uint)Marshal.SizeOf(pTimeS);
pTimeS.dwYear = (uint)pTime.Year;
pTimeS.dwMonth = (uint)pTime.Month;
pTimeS.dwDay = (uint)pTime.Day;
pTimeS.dwHour = (uint)pTime.Hour;
pTimeS.dwMinute = (uint)pTime.Minute;
pTimeS.dwSecond = (uint)pTime.Second;
IntPtr buffer = Marshal.AllocHGlobal(Marshal.SizeOf(pTimeS));
Marshal.StructureToPtr(pTimeS, buffer, false);
CHCNetSDK.NET_DVR_PlayBackControl_V40(session - 1, CHCNetSDK.NET_DVR_PLAYSETTIME, buffer, inSize, IntPtr.Zero, ref iOutValue);
Marshal.FreeHGlobal(buffer);
break;
}
return(0);
}
public int playBackCtl(int nvr, int session, PLAY_BACK_CMD cmd, Object parm)
{
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.playBackCtl(session, cmd, parm));
}
