[Bug 780233] m3u8: Consider URI repeat as white list

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Mon Mar 20 09:56:33 UTC 2017


https://bugzilla.gnome.org/show_bug.cgi?id=780233

Sebastian Dröge (slomo) <slomo at coaxion.net> changed:

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                 CC|                            |slomo at coaxion.net

--- Comment #3 from Sebastian Dröge (slomo) <slomo at coaxion.net> ---
I'm not sure about that. I guess *if* there is #EXT-X-MEDIA-SEQUENCE in the
m3u8, it's no problem to accept duplicated URIs, which should handle your case.
Without not so much, as then we need to use the URIs for correlating the media
sequence ID of the previous and current m3u8, and if there are duplicated URIs
this becomes a bit tricky.

However also for the case when we have media sequence IDs, I'm aware of streams
that count inconsistently and assign the same ID to different URIs... which is
exactly the case to catch here.

Can you check what the HLS spec specifically says about this? In the section
that is quoted in the code above the consistency checking. Should we relax the
check and that's still according to the spec?

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