/// <summary>
/// 初始化引擎
/// </summary>
/// <param name="detectMode">识别模式</param>
/// <param name="orientPriority">识别角度</param>
/// <param name="detectFaceMaxNum">最大人脸数[1,10]</param>
/// <param name="combinedMask">功能组合</param>
/// <param name="detectFaceScaleVal">识别的最小人脸比例(仅支持2.x及3.x版本)</param>
public void InitEngine(ASF_DetectMode detectMode, ArcSoftFace_OrientPriority orientPriority, int detectFaceMaxNum, ASF_Mask combinedMask, int detectFaceScaleVal = 16)
{
if (_version >= 4 && combinedMask.HasFlag(ASF_Mask.ASF_FACERECOGNITION) && !combinedMask.HasFlag(ASF_Mask.ASF_MASKDETECT))//4.x提取特征值必须要判断是否佩戴口罩特性
{
combinedMask |= ASF_Mask.ASF_MASKDETECT;
}
CombinedMask = combinedMask;
IntPtr hEngine = IntPtr.Zero;
if (_version <= 2 && orientPriority == ArcSoftFace_OrientPriority.ASF_OP_ALL_OUT)
{
orientPriority = ArcSoftFace_OrientPriority.ASF_OP_0_ONLY;
}
var result =
_version >= 4 ?
ASFFunctions.ASFInitEngine(detectMode, orientPriority, detectFaceMaxNum, (int)combinedMask, out hEngine) :
ASFFunctions.Compatible.ASFInitEngine(detectMode, orientPriority, detectFaceScaleVal, detectFaceMaxNum, (int)combinedMask, out hEngine);
if (result == MResult.MOK)
{
EngineHandler = hEngine;
if (_version == 2)//2.x需要先初始化引擎后才可以获取到版本信息
{
GetVersion();
}
return;
}
throw new Exception($"引擎初始化错误.{result}");
}
public static extern MResult ASFProcessEx_IR(IntPtr hEngine, ASVLOFFSCREEN imgData, ASF_MultiFaceInfo detectedFaces, ASF_Mask combinedMask = ASF_Mask.ASF_IR_LIVENESS);
public static extern MResult ASFProcess_IR(IntPtr hEngine, int width, int height, int format, IntPtr imgData, ASF_MultiFaceInfo detectedFaces, ASF_Mask combinedMask = ASF_Mask.ASF_IR_LIVENESS);
