Require redundant levels to have matching RESOLUTION and CODECS attributes #3889
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This PR will...
Use RESOLUTION and CODECS attributes in addition to BANDWIDTH to group levels (STREAM-INF variants) for redundant fallback.
Why is this Pull Request needed?
A stream might have two variants with the same RESOLUTION and BANDWIDTH, but alternative CODECS (like HEVC and H.264) not intended for redundant fallback.
Resolves issues:
Resolves #3888
Checklist