Creates a new upstream force key unit event. An upstream force key unit event
can be sent to request upstream elements to produce a key unit.
running_time can be set to request a new key unit at a specific
running_time. If set to GST_CLOCK_TIME_NONE, upstream elements will produce a
new key unit as soon as possible.
To parse an event created by gst_video_event_new_downstream_force_key_unit() use
gst_video_event_parse_downstream_force_key_unit().
Parameters
running_time: number
the running_time at which a new key unit should be produced
all_headers: boolean
true to produce headers when starting a new key unit
Creates a new upstream force key unit event. An upstream force key unit event can be sent to request upstream elements to produce a key unit.
running_timecan be set to request a new key unit at a specific running_time. If set to GST_CLOCK_TIME_NONE, upstream elements will produce a new key unit as soon as possible.To parse an event created by
gst_video_event_new_downstream_force_key_unit()usegst_video_event_parse_downstream_force_key_unit().