/// <summary>
/// 该接口目前仅支持单人脸IR活体检测（不支持年龄、性别、3D角度的检测），默认取第一张人脸
/// 图像数据以结构体形式传入，对采用更高字节对齐方式的图像兼容性更好
/// </summary>
/// <param name="imageFormat">图像格式</param>
/// <param name="image">图片</param>
/// <param name="multiFaceInfo">人脸框信息</param>
/// <param name="combinedMask">检测属性</param>
/// <returns>返回0表示正常；返回负数请根据ErrorCodeUtil类注释查看；其他值请在官网-帮助中心查询</returns>
public int ASFProcessEx_IR(Image image, MultiFaceInfo multiFaceInfo, int combinedMask, ASF_ImagePixelFormat imageFormat = ASF_ImagePixelFormat.ASVL_PAF_GRAY)
{
int retCode = -1;
if (multiFaceInfo == null)
{
return(ErrorCodeUtil.MULPTIFACEINFO_IS_NULL);
}
if (image == null)
{
return(ErrorCodeUtil.IMAGE_IS_NULL);
}
ImageInfo imageInfo = new ImageInfo();
imageInfo = ASF_ImagePixelFormat.ASVL_PAF_RGB24_B8G8R8.Equals(imageFormat) ? ImageUtil.ReadBMP(image) : ImageUtil.ReadBMP_IR(image);
if (imageInfo == null)
{
return(ErrorCodeUtil.IMAGE_DATA_READ_FAIL);
}
//转化人脸信息
ASF_MultiFaceInfo multiFaceInfoStruct = new ASF_MultiFaceInfo();
IntPtr pMultiFaceInfo = MemoryUtil.Malloc(MemoryUtil.SizeOf <ASF_MultiFaceInfo>());
multiFaceInfoStruct.faceNum = multiFaceInfo.faceNum;
if (multiFaceInfo.faceNum > 0)
{
if (multiFaceInfo.faceID != null)
{
multiFaceInfoStruct.faceID = MemoryUtil.Malloc(multiFaceInfo.faceNum * MemoryUtil.SizeOf <int>());
Marshal.Copy(multiFaceInfo.faceID, 0, multiFaceInfoStruct.faceID, multiFaceInfo.faceNum);
}
multiFaceInfoStruct.faceOrients = MemoryUtil.Malloc(multiFaceInfo.faceNum * MemoryUtil.SizeOf <int>());
Marshal.Copy(multiFaceInfo.faceOrients, 0, multiFaceInfoStruct.faceOrients, multiFaceInfo.faceNum);
multiFaceInfoStruct.faceRects = MemoryUtil.Malloc(MemoryUtil.SizeOf <MRECT>() * multiFaceInfo.faceNum);
byte[] allByte = new byte[MemoryUtil.SizeOf <MRECT>() * multiFaceInfo.faceNum];
for (int i = 0; i < multiFaceInfo.faceNum; i++)
{
byte[] tempBytes = MemoryUtil.StructToBytes(multiFaceInfo.faceRects[i]);
tempBytes.CopyTo(allByte, MemoryUtil.SizeOf <MRECT>() * i);
}
Marshal.Copy(allByte, 0, multiFaceInfoStruct.faceRects, allByte.Length);
}
MemoryUtil.StructureToPtr(multiFaceInfoStruct, pMultiFaceInfo);
ASF_ImageData asfInfoData = CommonUtil.TransImageDataStructByImageInfo(imageInfo);
IntPtr pImageInfo = MemoryUtil.Malloc(MemoryUtil.SizeOf <ASF_ImageData>());
MemoryUtil.StructureToPtr(asfInfoData, pImageInfo);
//调用SDK接口
retCode = ASFFunctions.ASFProcessEx_IR(pEngine, pImageInfo, pMultiFaceInfo, combinedMask);
//释放内存
MemoryUtil.FreeArray(imageInfo.imgData, multiFaceInfoStruct.faceID, multiFaceInfoStruct.faceOrients, multiFaceInfoStruct.faceRects, pMultiFaceInfo, pImageInfo);
return(retCode);
}