/// <summary>
/// 获取RGB活体结果
/// </summary>
/// <param name="pEngine">引擎handle</param>
/// <param name="livenessInfo">RGB活体结果</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 ASFGetLivenessScore(out LivenessInfo livenessInfo)
{
int retCode = -1;
livenessInfo = new LivenessInfo();
IntPtr pLiveness = MemoryUtil.Malloc(MemoryUtil.SizeOf <ASF_LivenessInfo>());
//调用SDK接口
retCode = ASFFunctions.ASFGetLivenessScore(pEngine, pLiveness);
if (retCode != 0)
{
MemoryUtil.Free(pLiveness);
return(retCode);
}
//转化结果
ASF_LivenessInfo asfLivenessInfo = new ASF_LivenessInfo();
asfLivenessInfo = MemoryUtil.PtrToStructure <ASF_LivenessInfo>(pLiveness);
livenessInfo.num = asfLivenessInfo.num;
if (asfLivenessInfo.num > 0)
{
livenessInfo.isLive = new int[asfLivenessInfo.num];
Marshal.Copy(asfLivenessInfo.isLive, livenessInfo.isLive, 0, asfLivenessInfo.num);
}
MemoryUtil.FreeArray(pLiveness);
return(retCode);
}
/// <summary>
/// RGB活体检测
/// </summary>
/// <param name="pEngine">引擎Handle</param>
/// <param name="imageInfo">图像数据</param>
/// <param name="multiFaceInfo">活体检测结果</param>
/// <returns>保存活体检测结果结构体</returns>
public static ASF_LivenessInfo LivenessInfo_RGB(IntPtr pEngine, ImageInfo imageInfo, ASF_MultiFaceInfo multiFaceInfo, out int retCode)
{
IntPtr pMultiFaceInfo = UtilToolMemory.Malloc(UtilToolMemory.SizeOf <ASF_MultiFaceInfo>());
UtilToolMemory.StructureToPtr(multiFaceInfo, pMultiFaceInfo);
if (multiFaceInfo.faceNum == 0)
{
retCode = -1;
//释放内存
UtilToolMemory.Free(pMultiFaceInfo);
return(new ASF_LivenessInfo());
}
try
{
//人脸信息处理
retCode = ASFFunctions.ASFProcess(pEngine, imageInfo.width, imageInfo.height, imageInfo.format, imageInfo.imgData, pMultiFaceInfo, FaceEngineMask.ASF_LIVENESS);
if (retCode == 0)
{
//获取活体检测结果
IntPtr pLivenessInfo = UtilToolMemory.Malloc(UtilToolMemory.SizeOf <ASF_LivenessInfo>());
retCode = ASFFunctions.ASFGetLivenessScore(pEngine, pLivenessInfo);
Console.WriteLine("Get Liveness Result:" + retCode);
ASF_LivenessInfo livenessInfo = UtilToolMemory.PtrToStructure <ASF_LivenessInfo>(pLivenessInfo);
//释放内存
UtilToolMemory.Free(pMultiFaceInfo);
UtilToolMemory.Free(pLivenessInfo);
return(livenessInfo);
}
else
{
//释放内存
UtilToolMemory.Free(pMultiFaceInfo);
return(new ASF_LivenessInfo());
}
}
catch
{
retCode = -1;
//释放内存
UtilToolMemory.Free(pMultiFaceInfo);
return(new ASF_LivenessInfo());
}
}
/// <summary>
/// RGB Vivo detection
/// </summary>
/// <param name="pEngine">Engine Handle</param>
/// <param name="imageInfo">Image data</param>
/// <param name="multiFaceInfo">In vivo test results</param>
/// <returns>Preserve the structure of in vivo detection results</returns>
public static ASF_LivenessInfo LivenessInfo_RGB(IntPtr pEngine, ImageInfo imageInfo, ASF_MultiFaceInfo multiFaceInfo, out int retCode)
{
IntPtr pMultiFaceInfo = MemoryUtil.Malloc(MemoryUtil.SizeOf <ASF_MultiFaceInfo>());
MemoryUtil.StructureToPtr(multiFaceInfo, pMultiFaceInfo);
if (multiFaceInfo.faceNum == 0)
{
retCode = -1;
//Release memory
MemoryUtil.Free(pMultiFaceInfo);
return(new ASF_LivenessInfo());
}
try
{
//Face information processing
retCode = ASFFunctions.ASFProcess(pEngine, imageInfo.width, imageInfo.height, imageInfo.format, imageInfo.imgData, pMultiFaceInfo, FaceEngineMask.ASF_LIVENESS);
if (retCode == 0)
{
//Obtain in vivo test results
IntPtr pLivenessInfo = MemoryUtil.Malloc(MemoryUtil.SizeOf <ASF_LivenessInfo>());
retCode = ASFFunctions.ASFGetLivenessScore(pEngine, pLivenessInfo);
Console.WriteLine("Get Liveness Result:" + retCode);
ASF_LivenessInfo livenessInfo = MemoryUtil.PtrToStructure <ASF_LivenessInfo>(pLivenessInfo);
//Release memory
MemoryUtil.Free(pMultiFaceInfo);
MemoryUtil.Free(pLivenessInfo);
return(livenessInfo);
}
else
{
//Release memory
MemoryUtil.Free(pMultiFaceInfo);
return(new ASF_LivenessInfo());
}
}
catch
{
retCode = -1;
//Release memory
MemoryUtil.Free(pMultiFaceInfo);
return(new ASF_LivenessInfo());
}
}