The goal is to be able to write the rtc::Buffer by another utility
(like rtc::ByteBufferWriter) and pass it into EncodedImageBuffer
without memcpy.
Bug: webrtc:42223344
Change-Id: Ieda55e77a36636e8cdff6ad6b7d078de0aeafec0
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/364243
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#43179}