GstTagDemuxClass.identifyTag

identify tag and determine the size required to parse the tag. Buffer may be larger than the specified minimum size. Subclassed MUST override this vfunc in their class_init function.

struct GstTagDemuxClass
extern (C)
bool function(GstTagDemux* demux, GstBuffer* buffer, bool startTag, uint* tagSize) identifyTag;