which is already supported in modules/video_coding/utility/ivf_file_reader.cc BUG=None Change-Id: I7b00659dc460d372312dff2eb53837a321ab16af Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/262246 Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Harald Alvestrand <hta@webrtc.org> Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/main@{#37390}