| Value | Meaning |
|---|---|
| FAILURE0 | the state change failed |
| SUCCESS1 | the state change succeeded |
| ASYNC2 | the state change will happen asynchronously |
| NO_PREROLL3 | the state change succeeded but the element cannot produce data in %GST_STATE_PAUSED. This typically happens with live sources. |
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The possible return values from a state change function such as gst_element_set_state(). Only @GST_STATE_CHANGE_FAILURE is a real failure.