/// <summary>
/// 实时预览扩展接口。
/// </summary>
/// <param name="iUserID"> NET_DVR_Login()或NET_DVR_Login_V30()的返回值 </param>
/// <param name="lpPreviewInfo"> 预览参数 </param>
/// <param name="fRealDataCallBack_V30"> 码流数据回调函数 </param>
/// <param name="pUser"> 用户数据 </param>
/// <returns></returns>
public static int NET_DVR_RealPlay_V40(int iUserID, ref SDKTypes.NET_DVR_PREVIEWINFO lpPreviewInfo, SDKTypes.REALDATACALLBACK fRealDataCallBack_V30, IntPtr pUser)
{
if (IsLinux())
{
return(NET_DVR_RealPlay_V40_LINUX(iUserID, ref lpPreviewInfo, fRealDataCallBack_V30, pUser));
}
else
{
return(NET_DVR_RealPlay_V40_WIN(iUserID, ref lpPreviewInfo, fRealDataCallBack_V30, pUser));
}
}
/// <summary>
/// 启动实时预览（支持多码流）。
/// </summary>
/// <param name="userId"> 用户id </param>
/// <param name="previewInfo"> 预览参数 </param>
/// <param name="realPlayHandle"> 预览句柄 </param>
/// <param name="userPtr"> 用户数据 </param>
/// <param name="fRealDataCallBack_V30"></param>
/// <returns></returns>
public static KeyValuePair <bool, string> RealPlay_V40(int userId, ref SDKTypes.NET_DVR_PREVIEWINFO previewInfo, ref IntPtr realPlayHandle, IntPtr userPtr, SDKTypes.REALDATACALLBACK fRealDataCallBack_V30 = null)
{
try
{
int handle = NET_DVR_RealPlay_V40(userId, ref previewInfo, fRealDataCallBack_V30, userPtr);
if (handle == -1)
{
return(new KeyValuePair <bool, string>(false, string.Format("启动实时预览失败,错误消息：{0}", GetLastErrorMsg())));
}
else
{
realPlayHandle = new IntPtr(handle);
return(new KeyValuePair <bool, string>(true, string.Format("启动实时预览成功,预览句柄：{0}", handle)));
}
}
catch (Exception ex)
{
return(new KeyValuePair <bool, string>(false, string.Format("启动实时预览失败,异常消息：{0}", ex.Message)));
}
}
/// <summary>
/// 启动实时预览
/// </summary>
/// <returns></returns>
public override KeyValuePair <bool, string> StartRealPlay()
{
if (!this.IsLogin)
{
return(new KeyValuePair <bool, string>(false, "未登录!"));
}
if (this.IsRealPlay)
{
this.StopRealPlay();
}
try
{
SDKTypes.NET_DVR_PREVIEWINFO previewInfo = this.PreviewInfo;
previewInfo.hPlayWnd = this.RealPlayWnd;
return(SDKWrap.RealPlay_V40(this.userId, ref previewInfo, ref this.realPlayHandle, IntPtr.Zero));
}
catch (Exception e)
{
return(new KeyValuePair <bool, string>(false, e.Message));
}
}
private static extern int NET_DVR_RealPlay_V40_LINUX(int iUserID, ref SDKTypes.NET_DVR_PREVIEWINFO lpPreviewInfo, SDKTypes.REALDATACALLBACK fRealDataCallBack_V30, IntPtr pUser);
