This avoid overflow when handling large input sizes, e.g.2016x1512, or 2592x1944. Bug: webrtc:15030 Change-Id: I97d5fa163ce0fac4c47f21826656819e652efafe Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/300240 Commit-Queue: Ying Wang <yinwa@webrtc.org> Reviewed-by: Erik Språng <sprang@webrtc.org> Cr-Commit-Position: refs/heads/main@{#39774}