/// <summary>
/// 关闭视频通道
/// </summary>
/// <param name="channel">视频通道号</param>
public void CloseChannel(int channel)
{
if (!this.channelHandle.ContainsKey(channel))
{
return;
}
switch (this.VideoType)
{
case VideoType.MvAPI:
try
{
MvAPI.MV_CloseDevice(this.channelHandle[channel]);
}
catch (Exception ex)
{
return;
}
break;
case VideoType.Sa7134Capture:
try
{
Sa7134Capture.VCAStopVideoPreview(this.channelHandle[channel]);
Sa7134Capture.VCACloseDevice(this.channelHandle[channel]);
}
catch (Exception ex)
{
return;
}
break;
}
this.channelHandle.Remove(channel);
}
/// <summary>
/// 停止视频，,已经打开则关闭
/// </summary>
/// <param name="channel">视频通道号</param>
/// <param name="hdlpreview">预览控件句柄</param>
/// <returns>成功返回true,失败返回false</returns>
public bool StopChannel(int channel, IntPtr hdlpreview)
{
bool success = true;
int hdl = channel;
if (!this.channelHandle.ContainsKey(channel))
{
return(false);
}
switch (this.VideoType)
{
case VideoType.MvAPI:
this.CloseChannel(channel);
return(success == true);
case VideoType.Sa7134Capture:
try
{
success = Sa7134Capture.VCAStopVideoPreview(this.channelHandle[channel]);
}
catch (Exception ex)
{
success = false;
}
break;
}
return(success);
}