Sergey Silkin 89facfc421 Fix potential null pointer access in HardwareVideoEncoder
There was no check for null in the code that prepends config buffer to key frame buffer. It is not a requirement for codec to deliver config buffer. Some codecs probably do not do that.

Bug: none
Change-Id: Id9c57efc5d1de5f569fa773313da4db3cd8b074c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/299900
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Sergey Silkin <ssilkin@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#39807}
2023-04-11 13:50:41 +00:00
..
2023-04-11 06:33:36 +00:00