Function gst_ trace_ span_ begin
Source pub unsafe extern "C" fn gst_trace_span_begin(
format: *mut GstTraceFormat,
values: *const GstTraceValue,
) -> GstTraceSpanIdpub unsafe extern "C" fn gst_trace_span_begin(
format: *mut GstTraceFormat,
values: *const GstTraceValue,
) -> GstTraceSpanId