public IEnumerator IStartFaceTrack(int dev, RawImage img, FaceManager _faceManager, FaceCompare _faceCompare)
{
faceManager = _faceManager;
faceCompare = _faceCompare;
image = new Mat();
using (VideoCapture cap = VideoCapture.FromCamera(dev))
{
if (!cap.IsOpened())
{
Debug.LogError("open camera error");
yield break;
}
// When the movie playback reaches end, Mat.data becomes NULL.
while (true)
{
yield return(null);
if (isCheck)
{
RotatedRect box;
cap.Read(image); // same as cvQueryFrame
if (!image.Empty())
{
int ilen = 2;//传入的人脸数
TrackFaceInfo[] track_info = new TrackFaceInfo[ilen];
for (int i = 0; i < ilen; i++)
{
track_info[i] = new TrackFaceInfo();
track_info[i].landmarks = new int[144];
track_info[i].headPose = new float[3];
track_info[i].face_id = 0;
track_info[i].score = 0;
}
int sizeTrack = Marshal.SizeOf(typeof(TrackFaceInfo));
IntPtr ptT = Marshal.AllocHGlobal(sizeTrack * ilen);
/* trackMat
* 传入参数: maxTrackObjNum:检测到的最大人脸数，传入外部分配人脸数，需要分配对应的内存大小。
* 传出检测到的最大人脸数
* 返回值: 传入的人脸数 和 检测到的人脸数 中的最小值,实际返回的人脸。
****/
int faceSize = ilen; //返回人脸数 分配人脸数和检测到人脸数的最小值
int curSize = ilen; //当前人脸数 输入分配的人脸数，输出实际检测到的人脸数
faceSize = track_mat(ptT, image.CvPtr, ref curSize);
for (int index = 0; index < faceSize; index++)
{
IntPtr ptr = new IntPtr();
if (8 == IntPtr.Size)
{
ptr = (IntPtr)(ptT.ToInt64() + sizeTrack * index);
}
else if (4 == IntPtr.Size)
{
ptr = (IntPtr)(ptT.ToInt32() + sizeTrack * index);
}
track_info[index] = (TrackFaceInfo)Marshal.PtrToStructure(ptr, typeof(TrackFaceInfo));
trackFaceInfo = track_info[index];
{
//face_info[index] = (FaceInfo)Marshal.PtrToStructure(info_ptr, typeof(FaceInfo));
//Debug.Log("in Liveness::usb_track face_id is {0}:" + track_info[index].face_id);
//Debug.Log("in Liveness::usb_track landmarks is:");
//for (int k = 0; k < 1; k++)
//{
// Debug.Log(
// track_info[index].landmarks[k + 0] + "," + track_info[index].landmarks[k + 1] + "," +
// track_info[index].landmarks[k + 2] + "," + track_info[index].landmarks[k + 3] + "," +
// track_info[index].landmarks[k + 4] + "," + track_info[index].landmarks[k + 5] + "," +
// track_info[index].landmarks[k + 6] + "," + track_info[index].landmarks[k + 7] + "," +
// track_info[index].landmarks[k + 8] + "," + track_info[index].landmarks[k + 9]
// );
//}
//for (int k = 0; k < track_info[index].headPose.Length; k++)
//{
// Debug.Log("in Liveness::usb_track angle is:" + track_info[index].headPose[k]);
//}
//Debug.Log("in Liveness::usb_track score is:" + track_info[index].score);
//// 角度
//Debug.Log("in Liveness::usb_track mAngle is:" + track_info[index].box.mAngle);
//// 人脸宽度
//Debug.Log("in Liveness::usb_track mWidth is:" + track_info[index].box.mWidth);
//// 中心点X,Y坐标
//Debug.Log("in Liveness::usb_track mCenter_x is:" + track_info[index].box.mCenter_x);
//Debug.Log("in Liveness::usb_track mCenter_y is:" + track_info[index].box.mCenter_y);
}
// 画人脸框
box = bounding_box(track_info[index].landmarks, track_info[index].landmarks.Length);
draw_rotated_box(ref image, ref box, new Scalar(0, 255, 0));
xcenter = image.Width / 2;
ycenter = image.Height / 2;
}
Marshal.FreeHGlobal(ptT);
if (videoTexture == null)
{
videoTexture = new Texture2D(image.Width, image.Height);
}
videoTexture.LoadImage(image.ToBytes());
videoTexture.Apply();
img.texture = videoTexture;
//imgBytes = image.ToBytes();
Cv2.WaitKey(1);
}
else
{
}
}
}
image.Release();
}
}
public static extern int get_face_feature_by_face(IntPtr mat, ref TrackFaceInfo info, ref IntPtr feaptr);