The message is posted when elements completed an ASYNC state change.
running_time contains the time of the desired running_time when this
elements goes to PLAYING. A value of #GST_CLOCK_TIME_NONE for running_time
means that the element has no clock interaction and thus doesn't care about
the running_time of the pipeline.
The message is posted when elements completed an ASYNC state change. running_time contains the time of the desired running_time when this elements goes to PLAYING. A value of #GST_CLOCK_TIME_NONE for running_time means that the element has no clock interaction and thus doesn't care about the running_time of the pipeline.