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What auto-bitrate does — and when it doesn't step in

Auto-bitrate temporarily lowers the bitrate of destinations Corneta is re-encoding when bandwidth gets tight. Copied outputs stay the same because their bitrate comes from the streaming software.

Published
Reading time
2 min read
Corneta version
0.13.1
Tested with
Corneta 0.6.0 (Windows 11)

Turn it on and check the scope

  1. Open Settings → Safety nets.
  2. Turn on Hold the stream up when your internet chokes (auto-bitrate).
  3. Confirm ARMED.
  4. In Quality, see which platforms will be re-encoded.

Enlarge image

Fit
Safety nets settings with auto-bitrate armed.

Auto-bitrate starts out on and shows as ARMED; it can only change destinations that are being re-encoded.

Auto-bitrate starts out on and shows as ARMED; it can only change destinations that are being re-encoded.Source: CornetaCorneta version: 0.13.0

When sending gets tight, Corneta lowers the bitrate of a re-encoded output and tries to raise it again once the connection steadies. It would rather degrade the picture for a while than let that destination drop.

When it doesn't step in

The adjustment doesn't act on destinations in Straight up mode or on copies inside Smart. On those, the video arrives already encoded. To lower that output, lower the bitrate in your streaming software or switch the destination to re-encoding.

What the adjustment doesn't fix on its own

The controller watches whether the output keeps up with the stream's pace; a slow output doesn't prove the cause is the internet. Lowering the bitrate doesn't fix an invalid key or URL, doesn't bring back a platform that's down, and doesn't restore a lost connection. It also isn't guaranteed to fix encoder overload or rendering problems in OBS: in those cases, check your machine's load and settings.

How to confirm

If a destination reconnects even with auto-bitrate on, check whether it was being re-encoded and whether other outputs also lost their connection. Export the time and state through the diagnostic; never send a key or a URL with credentials.