/// <summary>
/// 生成对应的视频播放地址
/// </summary>
/// <param name="aTerminalId">终端编号</param>
/// <param name="aChn">通道号</param>
/// <returns></returns>
public static string GenRTSPUrl(string aTerminalId, AVChannel aChn)
{
return(string.Format("rtsp://{0}:{1}/{2}?channel={3}.sdp",
Settings.Default.DVRSvrIp,
Settings.Default.DVRSvrPort,
aTerminalId, (byte)aChn));
}
/// <summary>
/// 开启视频预览
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnOk_Click(object sender, EventArgs e)
{
string terminalId = this.txtTerminalId.Text.Trim();
if (string.IsNullOrEmpty(terminalId))
{
errPrv.SetError(this.txtTerminalId, "终端编号不能为空...");
this.txtTerminalId.Focus();
return;
}
ValueString <AVChannel> selChn = this.cboChn.SelectedItem as ValueString <AVChannel>;
if (selChn == null)
{
errPrv.SetError(this.cboChn, "请选择有效的预览通道...");
this.cboChn.Focus();
return;
}
string svrIp = this.txtSvrIp.Text.Trim();
if (string.IsNullOrEmpty(svrIp))
{
errPrv.SetError(this.txtSvrIp, "视频服务器IP地址不能为空...");
this.txtSvrIp.Focus();
return;
}
ushort svrPort = (ushort)this.nudPort.Value;
this.btnOk.Enabled = false;
this.TerminalId = null;
var task = Task.Factory.StartNew(() =>
{
var result = UrlApiHelper.ControlVideo(terminalId, selChn.Value, VedioControlType.RealTime);
if (result == null)
{
GuiHelper.MsgBox("服务器连接异常...");
}
else if (result.Status != 0)
{
GuiHelper.MsgBox("实时预览开启失败: " + result.Message);
}
else
{
this.TerminalId = terminalId;
this.Channel = selChn.Value;
Settings.Default.DVRSvrIp = svrIp;
Settings.Default.DVRSvrPort = svrPort;
}
});
task.Wait();
this.btnOk.Enabled = true;
if (!string.IsNullOrEmpty(this.TerminalId))
{
this.DialogResult = DialogResult.OK;
this.Close();
}
}
/// <summary>
/// 使能对应终端通道的视频预览窗口
/// </summary>
/// <param name="aTerminalId"></param>
/// <param name="aChn"></param>
public void EnableDVR(string aTerminalId, AVChannel aChn)
{
mFrmDVR?.InvokeIfRequired((frm) => frm.AddVideoToken(new DVR.DVRToken()
{
TerminalId = aTerminalId,
LogicChn = aChn,
}));
}
/// <summary>
/// 对指定终端进行视频控制 开启实时预览或者停止预览
/// </summary>
/// <param name="aTerminalId">终端编号</param>
/// <param name="aChn">通道号</param>
/// <param name="aType">控制方式</param>
/// <returns>服务器返回的响应数据</returns>
public static JsonBase ControlVideo(string aTerminalId, AVChannel aChn, VedioControlType aType)
{
string jsonStr = GetApiReply(VideoControl(aTerminalId, aChn, aType));
if (string.IsNullOrEmpty(jsonStr))
{
return(null);
}
return(ModelUtils.GetJsonObject <JsonBase>(jsonStr));
}
/// <summary>
/// 对指定终端进行视频控制 开启实时预览或者停止预览的URL
/// </summary>
/// <param name="aTerminalId">终端编号</param>
/// <param name="aChn">通道号</param>
/// <param name="aType">控制方式</param>
/// <returns></returns>
private static string VideoControl(string aTerminalId, AVChannel aChn, VedioControlType aType)
{
return($"{SvrUrl}{LowerFirstChar(MethodBase.GetCurrentMethod().Name)}.action?" +
$"{GetTermianlAkUrl(aTerminalId)}" +
$"&type={(int)aType}&id={(byte)aChn}");
}
