gst_base_sink_negotiate_pull  372 libs/gst/base/gstbasesink.c static gboolean gst_base_sink_negotiate_pull (GstBaseSink * basesink);
gst_base_sink_negotiate_pull 4055 libs/gst/base/gstbasesink.c   if (!gst_base_sink_negotiate_pull (basesink)) {