public void GetImageBuffer(IntPtr imageHandle, out int width, out int height, out IntPtr yPlane,
out IntPtr uPlane, out IntPtr vPlane, out int yRowStride, out int uvPixelStride, out int uvRowStride)
{
IntPtr ndkImageHandle = IntPtr.Zero;
ExternApi.ArImage_getNdkImage(imageHandle, ref ndkImageHandle);
width = 0;
ExternApi.AImage_getWidth(ndkImageHandle, ref width);
height = 0;
ExternApi.AImage_getHeight(ndkImageHandle, ref height);
const int Y_PLANE = 0;
const int U_PLANE = 1;
const int V_PLANE = 2;
int bufferLength = 0;
yPlane = IntPtr.Zero;
ExternApi.AImage_getPlaneData(ndkImageHandle, Y_PLANE, ref yPlane, ref bufferLength);
uPlane = IntPtr.Zero;
ExternApi.AImage_getPlaneData(ndkImageHandle, U_PLANE, ref uPlane, ref bufferLength);
vPlane = IntPtr.Zero;
ExternApi.AImage_getPlaneData(ndkImageHandle, V_PLANE, ref vPlane, ref bufferLength);
yRowStride = 0;
ExternApi.AImage_getPlaneRowStride(ndkImageHandle, Y_PLANE, ref yRowStride);
uvPixelStride = 0;
ExternApi.AImage_getPlanePixelStride(ndkImageHandle, U_PLANE, ref uvPixelStride);
uvRowStride = 0;
ExternApi.AImage_getPlaneRowStride(ndkImageHandle, U_PLANE, ref uvRowStride);
}