BaseParse.setDuration

void setDuration(gst.types.Format fmt, long duration, int interval)

Sets the duration of the currently playing media. Subclass can use this when it is able to determine duration and/or notices a change in the media duration. Alternatively, if interval is non-zero (default), then stream duration is determined based on estimated bitrate, and updated every interval frames.

Parameters

`fmt`	#GstFormat.
`duration`	duration value.
`interval`	how often to update the duration estimate based on bitrate, or 0.