人脸跟踪回调函数
public int FrameCallBackData(int width, int height, int bytesPerPixel, int stride, byte[] data, String faces) {
// 暂无展示需求
opencv_core.IplImage iplImage = cvCreateImageHeader(cvSize(width, height), IPL_DEPTH_8U, 3);
BytePointer bytePointer = new BytePointer(data);
cvSetData(iplImage, bytePointer, ((width * 3) + 3) >> 2 << 2);
// 画人脸框
if (StringUtils.isNotEmpty(faces)) {
log.info("faces={}