Source position: gststreams.inc line 40
type TGstStreamType = (
GST_STREAM_TYPE_UNKNOWN = 1 shl 0,
GST_STREAM_TYPE_AUDIO = 1 shl 1,
GST_STREAM_TYPE_VIDEO = 1 shl 2,
GST_STREAM_TYPE_CONTAINER = 1 shl 3,
GST_STREAM_TYPE_TEXT = 1 shl 4
);