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This SDK only works with devices released within the past 3 years. We regularly optimize and update the SDK to ensure compatibility and performance. We do not guarantee compatibility or provide technical support for devices older than 3 years.

# NET_SDK_FACE_INFO_ADD

### Structure Definition

C++C#

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    typedef struct _net_sdk_face_info_add_
    {
        NET_SDK_FACE_INFO_LIST_ITEM sFaceInfoItem;
        unsigned int imgNum;
        NET_SDK_FACE_IMG_INFO_CH sFaceImgInfo[DD_MAX_FACE_INFO_IMG];
        unsigned int haveImgData;
        unsigned int imgWidth;
        unsigned int imgHeight;
        unsigned int imgLen;
        unsigned char* imgData;
    } NET_SDK_FACE_INFO_ADD;

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    [StructLayout(LayoutKind.Sequential, Pack = 4)]
    public struct NET_SDK_FACE_INFO_ADD
    {
        public NET_SDK_FACE_INFO_LIST_ITEM sFaceInfoItem;
        public UInt32 imgNum;
        [MarshalAs(UnmanagedType.ByValArray, ArraySubType = UnmanagedType.Struct, SizeConst = 5)]
        public NET_SDK_FACE_IMG_INFO_CH[] sFaceImgInfo;
        public UInt32 haveImgData;
        public UInt32 imgWidth;
        public UInt32 imgHeight;
        public UInt32 imgLen;
        public IntPtr imgData;
    }

### Function Description

NVR adds face comparison target.

### Member Description

Member | Type | Remark
--- | --- | ---
sFaceInfoItem | `NET_SDK_FACE_INFO_LIST_ITEM` | Facial feature information.
imgNum | unsigned int | The number of images in sFaceImgInfo.
sFaceImgInfo | `NET_SDK_FACE_IMG_INFO_CH`[DD_MAX_FACE_INFO_IMG] | Channel image information, maximum 5 images.
haveImgData | unsigned int | Whether there is externally transmitted image data, 0: no, 1: yes.
imgWidth | unsigned int | The width of the image transmitted externally. It is valid when haveImgData is 1.
imgHeight | unsigned int | The image height transmitted is valid when haveImgData is 1.
imgLen | unsigned int | The size of the image transmitted externally. This parameter is valid when haveImgData is 1.
imgData | unsigned char* | Image data, valid when haveImgData is 1.

Error Code