event stream-start: GstEventStreamStart, flags=(GstStreamFlags)GST_STREAM_FLAG_SELECT, group-id=(uint)1;
event caps: video/x-vp9, framerate=(fraction)0/1, height=(int)240, width=(int)426;
event segment: format=TIME, start=0:00:00.000000000, offset=0:00:00.000000000, stop=none, time=0:00:00.000000000, base=0:00:00.000000000, position=0:00:00.000000000, duration=0:02:15.469000000
event tag: GstTagList-global, taglist=(taglist)"taglist\,\ container-format\=\(string\)Matroska\;";
event tag: GstTagList-stream, taglist=(taglist)"taglist\,\ video-codec\=\(string\)\"On2\\\ VP9\"\;";
buffer: pts=0:00:00.000000000, flags=discont tag-memory
buffer: pts=0:00:00.033000000, flags=delta-unit tag-memory
buffer: pts=0:00:00.067000000, flags=delta-unit tag-memory
buffer: pts=0:00:00.100000000, flags=delta-unit tag-memory
buffer: pts=0:00:00.133000000, flags=delta-unit tag-memory
buffer: pts=0:00:00.167000000, flags=delta-unit tag-memory
buffer: pts=0:00:00.200000000, flags=delta-unit tag-memory
buffer: pts=0:00:00.234000000, flags=delta-unit tag-memory
buffer: pts=0:00:00.267000000, flags=delta-unit tag-memory
buffer: pts=0:00:00.300000000, flags=delta-unit tag-memory
buffer: pts=0:00:00.334000000, flags=delta-unit tag-memory
buffer: pts=0:00:00.367000000, flags=delta-unit tag-memory
buffer: pts=0:00:00.400000000, flags=delta-unit tag-memory
buffer: pts=0:00:00.434000000, flags=delta-unit tag-memory
buffer: pts=0:00:00.467000000, flags=delta-unit tag-memory
buffer: pts=0:00:00.501000000, flags=delta-unit tag-memory
event flush-start: (no structure)
event flush-stop: GstEventFlushStop, reset-time=(boolean)true;

CHECKPOINT: A different cluster is pushed

event segment: format=TIME, start=0:00:05.005000000, offset=0:00:00.000000000, stop=none, time=0:00:05.005000000, base=0:00:00.000000000, position=0:00:05.005000000, duration=0:02:15.469000000
buffer: pts=0:00:05.005000000, flags=discont tag-memory
buffer: pts=0:00:05.038000000, flags=delta-unit tag-memory
buffer: pts=0:00:05.072000000, flags=delta-unit tag-memory
buffer: pts=0:00:05.105000000, flags=delta-unit tag-memory
buffer: pts=0:00:05.138000000, flags=delta-unit tag-memory
buffer: pts=0:00:05.172000000, flags=delta-unit tag-memory
buffer: pts=0:00:05.205000000, flags=delta-unit tag-memory
buffer: pts=0:00:05.239000000, flags=delta-unit tag-memory
buffer: pts=0:00:05.272000000, flags=delta-unit tag-memory
buffer: pts=0:00:05.305000000, flags=delta-unit tag-memory
buffer: pts=0:00:05.339000000, flags=delta-unit tag-memory
buffer: pts=0:00:05.372000000, flags=delta-unit tag-memory
buffer: pts=0:00:05.405000000, flags=delta-unit tag-memory
buffer: pts=0:00:05.439000000, flags=delta-unit tag-memory
buffer: pts=0:00:05.472000000, flags=delta-unit tag-memory
buffer: pts=0:00:05.506000000, flags=delta-unit tag-memory
buffer: pts=0:00:05.539000000, flags=delta-unit tag-memory
buffer: pts=0:00:05.572000000, flags=delta-unit tag-memory
buffer: pts=0:00:05.606000000, flags=delta-unit tag-memory
buffer: pts=0:00:05.639000000, flags=delta-unit tag-memory
buffer: pts=0:00:05.672000000, flags=delta-unit tag-memory
