Philipp Hancke 60c01cc45b setCodecPreferences: dont insert red codec twice
this could happen if setCodecPreferences is used to prefer
red over opus as it is done for red+opus.

BUG=webrtc:13287

Change-Id: I3d61cd8f1a364572bc531a75dcc239c3919138cc
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/237800
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Philipp Hancke <philipp.hancke@googlemail.com>
Cr-Commit-Position: refs/heads/main@{#35344}
2021-11-15 15:48:58 +00:00
..
2021-05-27 09:56:42 +00:00
2019-01-28 11:17:00 +00:00
2021-08-31 14:27:49 +00:00
2021-05-27 09:56:42 +00:00