[Bug 782697] discoverer: mp4 track count is wrong

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Thu May 18 08:16:52 UTC 2017


https://bugzilla.gnome.org/show_bug.cgi?id=782697

--- Comment #6 from Sebastian Dröge (slomo) <slomo at coaxion.net> ---
(In reply to Florian Zwoch from comment #5)
> Topology:
>   container: Quicktime
>     video: H.265 (Main Profile)
>       video: H.265 (Main Profile) <-- ??

Ah now I understand your problem. Note how the second "video:" line is
indented, it's not another stream but a "substream" with more information.

This is still a bug in gst-discoverer, in this specific case it should've
filtered out the "substream" as it's actually the same stream. Problem here is
that:

1) gst-discoverer does not filter out enough fields to consider streams the
same
2) h265parse appends a couple of 0 bytes to the codec_data for some unknown
reason

Both should be fixed

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