fa07b43074
If playout audio is temporarily stereo, the AEC will currently enter stereo processing mode indefinitely. To save CPU and improve AEC performance, this CL adds support for falling back to mono after a period of no stereo. The feature is enabled by default in the AEC3 config. Bug: chromium:1295710 Change-Id: I690b5b22f8407f950bf41f3bcaa9ca0138452157 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/258421 Reviewed-by: Per Åhgren <peah@webrtc.org> Commit-Queue: Sam Zackrisson <saza@webrtc.org> Cr-Commit-Position: refs/heads/main@{#36502}