# CVPixelBufferGetExtendedPixels(_:_:_:_:_:) Returns the amount of extended pixel padding in the pixel buffer. ``` func CVPixelBufferGetExtendedPixels(_ pixelBuffer: CVPixelBuffer, _ extraColumnsOnLeft: UnsafeMutablePointer?, _ extraColumnsOnRight: UnsafeMutablePointer?, _ extraRowsOnTop: UnsafeMutablePointer?, _ extraRowsOnBottom: UnsafeMutablePointer?) ``` ## Parameters `pixelBuffer` The pixel buffer whose extended pixel size you want to obtain. `extraColumnsOnLeft` On output, the pixel row padding to the left. Pass `NULL` if you do not want this information. `extraColumnsOnRight` On output, the pixel row padding to the right. Pass `NULL` if you do not want this information. `extraRowsOnTop` On output, the pixel row padding to the top. Pass `NULL` if you do not want this information. `extraRowsOnBottom` On output, the pixel row padding to the bottom. Pass `NULL` if you do not want this information. ## Discussion --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)