Philipp Hancke c5d921899b Do no return media-playout stats unless there is an audio receiver
which avoids those stats on datachannel-only or video-only connections.
Note that a receiver always exists, regardless of the transceiver direction.

BUG=None

Change-Id: I1ef33a8446fafe2978ac603e658e67d51d7af904
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/330441
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Commit-Queue: Philipp Hancke <phancke@microsoft.com>
Reviewed-by: Fredrik Hernqvist <fhernqvist@google.com>
Cr-Commit-Position: refs/heads/main@{#41423}
2023-12-20 16:14:05 +00:00
..