[Bug 796773] splitmuxsink creates files that are too large

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Mon Jul 16 23:45:08 UTC 2018


https://bugzilla.gnome.org/show_bug.cgi?id=796773

--- Comment #9 from Jan Schmidt <thaytan at noraisin.net> ---
Thanks for confirming the patch fixes things for you.

Timestamp interpolation is deliberately disabled in h264parse because it can
only create broken timestamps for any H264 stream with packet re-ordering.

This stream is more fundamentally broken - the SEI packets preceding the
I-frames carry the timestamps and the I-frame should not be a separate buffer.
Having them separated is a violation of the alignment=AU requirements. Muxing
that into mp4 can only create dodgy files.

The remaining question is if this is problem with rtph264depay. I suspect it
is, and that should be tracked in a separate bug.

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