With this changes users can calculate the corruption score on two frames e.g. in test scenarios where one has access to the input and output file.
Bug: webrtc:358039777
Change-Id: Id864010115aa040284ec09b42d0279ccb45960b9
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/364161
Reviewed-by: Erik Språng <sprang@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Fanny Linderborg <linderborg@webrtc.org>
Commit-Queue: Emil Vardar (xWF) <vardar@google.com>
Cr-Commit-Position: refs/heads/main@{#43222}
