event stream-start: GstEventStreamStart, flags=(GstStreamFlags)GST_STREAM_FLAG_NONE, group-id=(uint)1;
event caps: video/x-raw, format=(string)I420, framerate=(fraction)1/1, height=(int)240, width=(int)320;
event segment: format=TIME, start=0:00:00.000000000, offset=0:00:00.000000000, stop=0:00:03.000000000, time=0:00:00.000000000, base=0:00:00.000000000, position=0:00:00.000000000
buffer: content-id=0, pts=0:00:00.000000000, dur=0:00:01.000000000, flags=discont
buffer: content-id=1, pts=0:00:01.000000000, dur=0:00:01.000000000
event caps: video/x-raw, framerate=(fraction)1/1, height=(int)244, width=(int)322;
event eos: (no structure)
event caps: video/x-raw, format=(string)I420, framerate=(fraction)1/1, height=(int)240, width=(int)320;
event caps: video/x-raw, framerate=(fraction)1/1, height=(int)244, width=(int)322;
