| Value | Meaning |
|---|---|
| Failure0 | the state change failed |
| Success1 | the state change succeeded |
| Async2 | the state change will happen asynchronously |
| NoPreroll3 | the state change succeeded but the element cannot produce data in gst.types.State.Paused. This typically happens with live sources. |
The possible return values from a state change function such as gst.element.Element.setState. Only @GST_STATE_CHANGE_FAILURE is a real failure.