Beispiel #1
0
    public static bool PollDepth(IntPtr depthStreamHandle, bool isNearMode, ref short[] depthPlayerData)
    {
        IntPtr imageFramePtr = IntPtr.Zero;
        bool   newDepth      = false;

        if (isNearMode)
        {
            KinectWrapper.NuiImageStreamSetImageFrameFlags(depthStreamHandle, NuiImageStreamFlags.EnableNearMode);
        }
        else
        {
            KinectWrapper.NuiImageStreamSetImageFrameFlags(depthStreamHandle, NuiImageStreamFlags.None);
        }

        int hr = KinectWrapper.NuiImageStreamGetNextFrame(depthStreamHandle, 0, ref imageFramePtr);

        if (hr == 0)
        {
            newDepth = true;

            NuiImageFrame    imageFrame   = (NuiImageFrame)Marshal.PtrToStructure(imageFramePtr, typeof(NuiImageFrame));
            INuiFrameTexture frameTexture = (INuiFrameTexture)Marshal.GetObjectForIUnknown(imageFrame.pFrameTexture);

            NuiLockedRect lockedRectPtr = new NuiLockedRect();
            IntPtr        r             = IntPtr.Zero;

            frameTexture.LockRect(0, ref lockedRectPtr, r, 0);
            depthPlayerData = ExtractDepthImage(lockedRectPtr);

            frameTexture.UnlockRect(0);
            hr = KinectWrapper.NuiImageStreamReleaseFrame(depthStreamHandle, imageFramePtr);
        }

        return(newDepth);
    }