* Avoids alloc/dealloc for each captured frame.
* Reduces time to capture first frame.
* Improves performance in terms of max FPS.
Bug: chromium:1412584
Change-Id: Ie16519ad788165c9553451ecea5adff12cd15eea
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/293582
Reviewed-by: Alexander Cooper <alcooper@chromium.org>
Commit-Queue: Henrik Andreassson <henrika@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#39384}