| Value | Meaning |
|---|---|
| OVERFLOW0 | The QoS event type that is produced when downstream elements are producing data too quickly and the element can't keep up processing the data. Upstream should reduce their processing rate. This type is also used when buffers arrive early or in time. |
| UNDERFLOW1 | The QoS event type that is produced when downstream elements are producing data too slowly and need to speed up their processing rate. |
| THROTTLE2 | The QoS event type that is produced when the application enabled throttling to limit the datarate. |
The different types of QoS events that can be given to the gst_event_new_qos() method.