c5f152daa0
Mark all low spatial layer frames as references (not just frames of active low spatial layers) if inter-layer prediction is enabled since these frames are indirect references of high spatial layer, which can later be enabled without key frame. Bug: webrtc:9782 Change-Id: Iffa5039fab2673a5582e7cdc9be4a36d9e8deb63 Reviewed-on: https://webrtc-review.googlesource.com/102063 Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org> Commit-Queue: Sergey Silkin <ssilkin@webrtc.org> Cr-Commit-Position: refs/heads/master@{#24849}