| Value | Meaning |
|---|---|
| DROP0 | drop data in data probes. For push mode this means that the data item is not sent downstream. For pull mode, it means that the data item is not passed upstream. In both cases, this result code means that #GST_FLOW_OK or %TRUE is returned to the caller. |
| OK1 | normal probe return value |
| REMOVE2 | remove probe |
| PASS3 | pass the data item in the block probe and block on the next item |
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Different return values for the #GstPadProbeCallback.