protected virtual void Dispose(bool disposing)
{
if (!this.disposed)
{
if (disposing)
{
_context.Dispose();
}
}
this.disposed = true;
}
protected override void Dispose(bool disposing)
{
if (disposed)
{
return;
}
disposed = true;
if (context != null)
{
context.Dispose();
}
base.Dispose(disposing);
}
unsafe void UpdateBackground(ARFrame frame)
{
using (var img = frame.CapturedImage)
{
using (var ciImage = CIImage.FromImageBuffer(img))
{
using (var rotatedImage = ciImage.CreateByApplyingOrientation(ImageIO.CGImagePropertyOrientation.Right))
{
var size = new CGSize(rotatedImage.Extent.Size);
using (var rotatedBuff = new CVPixelBuffer((nint)size.Width,
(nint)size.Height, img.PixelFormatType))
{
var _coreImageContext = new CIContext(null);
rotatedBuff.Lock(CVPixelBufferLock.None);
_coreImageContext.Render(rotatedImage, rotatedBuff);
var yPtr = rotatedBuff.BaseAddress;
var uvPtr = rotatedBuff.GetBaseAddress(1);
if (yPtr == IntPtr.Zero || uvPtr == IntPtr.Zero)
{
return;
}
int wY = (int)rotatedBuff.Width;
int hY = (int)rotatedBuff.Height;
int wUv = (int)rotatedBuff.GetWidthOfPlane(1);
int hUv = (int)rotatedBuff.GetHeightOfPlane(1);
cameraYtexture.SetData(0, 0, 0, wY, hY, (void *)yPtr);
cameraUVtexture.SetData(0, 0, 0, wUv, hUv, (void *)uvPtr);
rotatedBuff.Unlock(CVPixelBufferLock.None);
_coreImageContext.Dispose();
}
}
}
}
}
