The resolution and/or framerate is primarily limited due to congestion cues during bandwidth estimation. Typical, congestion control algorithms use inter-arrival time, round-trip time, packet or other congestion cues to perform bandwidth estimation.
The resolution and/or framerate is primarily limited due to CPU load.
The resolution and/or framerate is not limited.
The resolution and/or framerate is primarily limited for a reason other than the above.
The enum representing a reason for limiting the resolution and/or framerate, or
noneif not limited.See
RTCQualityLimitationReason