/// <summary>
/// 抓图
/// </summary>
/// <param name="CH">通道</param>
/// <param name="Quality">质量</param>
/// <param name="Size">
/// 0=CIF, 1=QCIF, 2=D1 3=UXGA(1600x1200), 4=SVGA(800x600), 5=HD720p(1280x720),6=VGA
/// IPCAM专用{3=UXGA(1600x1200), 4=SVGA(800x600), 5=HD720p(1280x720),6=VGA(640x480) , 7=XVGA, 8=HD900p
/// </param>
/// <returns></returns>
public Image CaptureJPG(int CH, ushort Quality = 2, ushort Size = 0xff)
{
bool res = false;
NET_DVR_JPEGPARA jpeginfo;
jpeginfo.wPicQuality = Quality;
jpeginfo.wPicSize = Size;
byte[] data = new byte[this.BufferSize];
uint ret = 0;
if (Environment.Is64BitProcess)
{
res = HCNetSDKia64.NET_DVR_CaptureJPEGPicture_NEW(this.lUserID, CH, ref jpeginfo, data, (uint)data.Length, out ret);
}
else
{
res = HCNetSDK.NET_DVR_CaptureJPEGPicture_NEW(this.lUserID, CH, jpeginfo, data, (uint)data.Length, out ret);
}
if (!res)
{
Error();
}
MemoryStream ms = new MemoryStream(data);
Image image = System.Drawing.Image.FromStream(ms);
ms.Close();
ms.Dispose();
ms = null;
System.GC.Collect();
return(image);
}
