parse_step_start

Description:

public void parse_step_start (out bool active, out Format format, out uint64 amount, out double rate, out bool flush, out bool intermediate)

Extract the values from step_start message.

MT safe.

this	A valid Message of type GST_MESSAGE_STEP_DONE.
active	result location for the active flag
format	result location for the format
amount	result location for the amount
rate	result location for the rate
flush	result location for the flush flag
intermediate	result location for the intermediate flag