private IVideoSourceConfig GetBackPlayVSConfig(IVideoSourceConfig vsConfig, IAlarmInfo alarmInfo)
{
CVideoSourceConfig newVSConfig = vsConfig.Clone() as CVideoSourceConfig;
if (newVSConfig != null)
{
newVSConfig.Name = vsConfig.Name + "_BackPlay_" + newVSConfig.Handle;
newVSConfig.StartTime = alarmInfo.AlarmTime.AddSeconds(-10);
newVSConfig.StopTime = alarmInfo.AlarmTime;
newVSConfig.IsRecord = false;
newVSConfig.IsCycle = false;
newVSConfig.Enabled = true;
}
IVideoSourceType vsType = vsConfig.SystemContext.VideoSourceTypeManager.GetConfig(vsConfig.Type);
if (vsType != null)
{
string backPlayType = vsType.BackPlayType;
if (!backPlayType.Equals(""))
{
newVSConfig.Type = backPlayType;
newVSConfig.FileName = "";
}
}
return(newVSConfig);
}
private Image GetFrame(IVideoSourceConfig config, int delay)
{
Image image = null;
if (config != null)
{
IVideoSource vs = config.SystemContext.VideoSourceManager.GetVideoSource(config.Name);
if (vs != null && vs.IsPlay)
{
image = vs.GetFrame();
}
else
{
IVideoSourceConfig tempVSConfig = config.Clone() as IVideoSourceConfig;
if (tempVSConfig != null)
{
tempVSConfig.ACEnabled = false;
((CVideoSourceConfig)tempVSConfig).Name += ("_" + tempVSConfig.Handle);
vs = config.SystemContext.VideoSourceManager.Open(tempVSConfig, IntPtr.Zero);
if (vs != null)
{
vs.Play();
if (delay > 0)
{
Thread.Sleep(delay);
}
int n = 3;
image = vs.GetFrame();
while (image == null)
{
n--;
if (n < 0)
{
break;
}
Thread.Sleep(100);
image = vs.GetFrame();
}
config.SystemContext.VideoSourceManager.Close(vs.Name);
}
}
}
}
if (image != null)
{
label_imageSize.Text = string.Format("ͼÏñ³ß´ç£º{0}X{1}", image.Width, image.Height);
}
return(image);
}
public bool Preview()
{
if (mRealPlayVS != null && mRealPlayVS.IsOpen)
{
mRealPlayVS.SystemContext.VideoSourceManager.Close(mRealPlayVS.Name);
}
else
{
CFuncNode node = mLinkObj as CFuncNode;
if (node != null)
{
IVisionMonitorConfig config = node.ExtConfigObj as IVisionMonitorConfig;
if (config != null)
{
IVideoSourceConfig vsConfig = config.SystemContext.VideoSourceConfigManager.GetConfig(config.VisionParamConfig.VSName);
CVideoSourceConfig newVSConfig = vsConfig.Clone() as CVideoSourceConfig;
if (newVSConfig != null)
{
newVSConfig.Name = vsConfig.Name + "_RealPlay_" + newVSConfig.Handle;
newVSConfig.Enabled = true;
if (mRealPlayVS != null)
{
mRealPlayVS.SystemContext.VideoSourceManager.Close(mRealPlayVS.Name);
mRealPlayVS = null;
}
mRealPlayVS = config.SystemContext.VideoSourceManager.Open(newVSConfig, HWnd);
if (mRealPlayVS != null)
{
mRealPlayVS.OnPlayStatusChanged += new PLAYSTATUS_CHANGED(DoPlayStausChanged);
return(mRealPlayVS.Play());
}
}
}
}
}
return(false);
}
public bool Playback()
{
if (mBackPlayVS != null && mBackPlayVS.IsOpen)
{
mBackPlayVS.SystemContext.VideoSourceManager.Close(mBackPlayVS.Name);
}
else if (mCurIndex >= 0 && mCurIndex < Count)
{
IVisionMonitorAlarm visionAlarm = Goto(mCurIndex) as IVisionMonitorAlarm;
if (visionAlarm != null)
{
IVisionMonitor monitor = visionAlarm.Monitor as IVisionMonitor;
if (monitor != null)
{
IVisionMonitorConfig config = monitor.Config as IVisionMonitorConfig;
if (config != null)
{
IVideoSourceConfig vsConfig = monitor.SystemContext.VideoSourceConfigManager.GetConfig(config.VisionParamConfig.VSName);
if (vsConfig != null)
{
if (!vsConfig.IsRecord)
{
IVideoSourceType vsType = vsConfig.SystemContext.VideoSourceTypeManager.GetConfig(vsConfig.Type);
if (vsType != null)
{
string backPlayType = vsType.BackPlayType;
if (backPlayType.Equals(""))
{
backPlayType = vsConfig.Type;
}
if (!backPlayType.Equals(""))
{
CVideoSourceConfig newVSConfig = vsConfig.Clone() as CVideoSourceConfig;
if (newVSConfig != null)
{
newVSConfig.Name = vsConfig.Name + "_BackPlay_" + newVSConfig.Handle;
newVSConfig.Type = backPlayType;
newVSConfig.StartTime = visionAlarm.AlarmTime.AddSeconds(-10);
newVSConfig.StopTime = visionAlarm.AlarmTime;
if (!backPlayType.Equals("FileVideoSource"))
{
newVSConfig.FileName = "";
}
newVSConfig.IsRecord = false;
newVSConfig.IsCycle = false;
newVSConfig.Enabled = true;
if (mBackPlayVS != null)
{
mBackPlayVS.SystemContext.VideoSourceManager.Close(mBackPlayVS.Name);
mBackPlayVS = null;
}
mBackPlayVS = vsType.SystemContext.VideoSourceManager.Open(newVSConfig, HWnd);
if (mBackPlayVS != null)
{
mBackPlayVS.OnPlayStatusChanged += new PLAYSTATUS_CHANGED(DoPlayStausChanged);
if (!mBackPlayVS.Play())
{
MessageBox.Show("回放失败，可能是回放录像还未生成，请稍后再试！", "回放错误", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
else
{
MessageBox.Show("打开录像失败，可能是回放录像还未生成，请稍后再试！", "回放错误", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
}
}
}
return(true);
}
}
}
}
if (!visionAlarm.IsRecord && !visionAlarm.IsPlay)
{
return(visionAlarm.PlayAlarmRecord(HWnd));
}
}
}
return(false);
}