Returns the current stream-id for the pad, or null if none has been set yet, i.e. the pad has not received a stream-start event yet.
This is a convenience wrapper around gst.pad.Pad.getStickyEvent and gst.event.Event.parseStreamStart.
The returned stream-id string should be treated as an opaque string, its contents should not be interpreted.
a newly-allocated copy of the stream-id for pad, or null. glib.global.gfree the returned string when no longer needed.
Returns the current stream-id for the pad, or null if none has been set yet, i.e. the pad has not received a stream-start event yet.
This is a convenience wrapper around gst.pad.Pad.getStickyEvent and gst.event.Event.parseStreamStart.
The returned stream-id string should be treated as an opaque string, its contents should not be interpreted.