Sets @clock to synced and emits the GstClock::synced signal, and wakes up any thread waiting in gst_clock_wait_for_sync().
This function must only be called if GST_CLOCK_FLAG_NEEDS_STARTUP_SYNC is set on the clock, and is intended to be called by subclasses only.
if the clock is synced
1.6
See Implementation
Sets @clock to synced and emits the GstClock::synced signal, and wakes up any thread waiting in gst_clock_wait_for_sync().
This function must only be called if GST_CLOCK_FLAG_NEEDS_STARTUP_SYNC is set on the clock, and is intended to be called by subclasses only.