BaseSrc.queryLatency

bool queryLatency(out bool live, out gst.types.ClockTime minLatency, out gst.types.ClockTime maxLatency)

Query the source for the latency parameters. live will be true when src is configured as a live source. min_latency and max_latency will be set to the difference between the running time and the timestamp of the first buffer.

This function is mostly used by subclasses.

Parameters

`live`	if the source is live
`minLatency`	the min latency of the source
`maxLatency`	the max latency of the source

Returns

true if the query succeeded.