event stream-start: GstEventStreamStart, flags=(GstStreamFlags)GST_STREAM_FLAG_NONE;
event segment: format=BYTES, start=0, offset=0, stop=18446744073709551615, time=0, base=0, position=0, duration=0
buffer: content-id=0, dts=0:00:00.000000000, pts=0:00:00.000000000, flags=discont tag-memory
buffer: content-id=1, flags=tag-memory
buffer: content-id=2, flags=tag-memory
buffer: content-id=3, flags=tag-memory
buffer: content-id=4, flags=tag-memory

CHECKPOINT

buffer: content-id=5, flags=tag-memory
buffer: content-id=6, flags=tag-memory
buffer: content-id=7, flags=tag-memory
buffer: content-id=8, flags=tag-memory
buffer: content-id=9, flags=tag-memory

CHECKPOINT

buffer: content-id=10, flags=tag-memory
buffer: content-id=11, flags=tag-memory
buffer: content-id=12, flags=tag-memory
buffer: content-id=13, flags=tag-memory
buffer: content-id=14, flags=tag-memory
buffer: content-id=15, flags=tag-memory
buffer: content-id=16, flags=tag-memory
buffer: content-id=17, flags=tag-memory
buffer: content-id=18, flags=tag-memory
buffer: content-id=19, flags=tag-memory
buffer: content-id=20, flags=tag-memory
buffer: content-id=21, flags=tag-memory
buffer: content-id=22, flags=tag-memory
buffer: content-id=23, flags=tag-memory
buffer: content-id=24, flags=tag-memory
buffer: content-id=25, flags=tag-memory
buffer: content-id=26, flags=tag-memory
buffer: content-id=27, flags=tag-memory
buffer: content-id=28, flags=tag-memory
buffer: content-id=29, flags=tag-memory

CHECKPOINT

event eos: (no structure)