"GstMessageAsyncDone", "GstMessageRequestState", "GstMessageStreamStatus",
"GstQueryPosition", "GstQueryDuration", "GstQueryLatency", "GstQueryConvert",
"GstQuerySegment", "GstQuerySeeking", "GstQueryFormats", "GstQueryBuffering",
"GstMessageAsyncDone", "GstMessageRequestState", "GstMessageStreamStatus",
"GstQueryPosition", "GstQueryDuration", "GstQueryLatency", "GstQueryConvert",
"GstQuerySegment", "GstQuerySeeking", "GstQueryFormats", "GstQueryBuffering",