public ASF_MultiFaceInfo DetectMultipleFace(IntPtr pEngine, ImageInfo imageInfo)
{
ASF_MultiFaceInfo multiFaceInfo = new ASF_MultiFaceInfo();
IntPtr pMultiFaceInfo = Marshal.AllocHGlobal(Marshal.SizeOf <ASF_MultiFaceInfo>());
try
{
int retCode = ASFDetectFaces(pEngine, imageInfo.width, imageInfo.height, imageInfo.format, imageInfo.imgData, pMultiFaceInfo, ASF_DetectModel.ASF_DETECT_MODEL_RGB);
multiFaceInfo = Marshal.PtrToStructure <ASF_MultiFaceInfo>(pMultiFaceInfo);
return(multiFaceInfo);
}
catch
{
return(multiFaceInfo);
}
finally
{
Marshal.FreeHGlobal(pMultiFaceInfo);
}
}
public static List <byte[]> ExtractAllFeatures(IntPtr pEngine, ImageInfo imageInfo, ASF_MultiFaceInfo multiFaceInfo)
{
try
{
ASF_SingleFaceInfo singleFaceInfo = new ASF_SingleFaceInfo();
List <byte[]> results = new List <byte[]>();
for (int index = 0; index < multiFaceInfo.faceNum; index++)
{
singleFaceInfo.faceRect = Marshal.PtrToStructure <MRECT>(multiFaceInfo.faceRects + Marshal.SizeOf <MRECT>() * index);
singleFaceInfo.faceOrient = Marshal.PtrToStructure <int>(multiFaceInfo.faceOrients + Marshal.SizeOf <int>() * index);
byte[] singleFaceFeature = ExtractSingleFaceFeature(pEngine, imageInfo, singleFaceInfo.faceRect, singleFaceInfo.faceOrient);
if (singleFaceFeature != null)
{
results.Add(singleFaceFeature);
}
}
return(results);
}
catch (Exception ex)
{
throw new Exception("Arcsoft_Face_Action-->ExtractAllFeatures exception " + ex);
}
finally
{
Marshal.FreeHGlobal(imageInfo.imgData);
}
}