public async Task <int> StopRealPreview()
{
if (m_lReadHandle < 0)
{
LoggerService.logger.Error($"摄像头{ip}，未启动过预览。");
return(-1);
}
if (!HKNetSDKS.NET_DVR_StopRealPlay(m_lReadHandle))
{
LoggerService.logger.Error($"摄像头{ip}，播放器无法停止预览。错误代码：{HKNetSDKS.NET_DVR_GetLastError()}");
}
if (m_lPort >= 0)
{
if (!HKPlayCtrlSDK.PlayM4_Stop(m_lPort))
{
LoggerService.logger.Error($"摄像头{ip}，播放器无法停止工作。错误代码：{HKPlayCtrlSDK.PlayM4_GetLastError(m_lPort)}");
}
if (!HKPlayCtrlSDK.PlayM4_CloseStream(m_lPort))
{
LoggerService.logger.Error($"摄像头{ip}，播放器无法关闭数据流。错误代码：{HKPlayCtrlSDK.PlayM4_GetLastError(m_lPort)}");
}
if (!HKPlayCtrlSDK.PlayM4_FreePort(m_lPort))
{
LoggerService.logger.Error($"摄像头{ip}，播放器无法释放播放端口。错误代码：{HKPlayCtrlSDK.PlayM4_GetLastError(m_lPort)}");
}
m_lPort = -1;
}
LoggerService.logger.Info($"摄像头{ip}，已停止预览。");
m_lReadHandle = -1;
Statue = CameraStatue.StopReadPlay;
if (PictrueBoxId != null)
{
PictrueBoxId.Invalidate();
PictrueBoxId = null;
}
return(0);
}
