[Bug 789810] qtdemux: Add support for AC4

GStreamer (GNOME Bugzilla) bugzilla at gnome.org
Tue Dec 12 02:03:07 UTC 2017


https://bugzilla.gnome.org/show_bug.cgi?id=789810

--- Comment #17 from Savinderjit Kaur <savinderjit.kaur at gmail.com> ---
(In reply to Jun Xie from comment #16)
> (In reply to Savinderjit Kaur from comment #14)
> > I checked the MP4 files I had in hex editor, there were no atoms having any
> > information regarding headers. 
> > A spec is available here
> > http://www.etsi.org/deliver/etsi_ts/103100_103199/103190/01.01.01_60/
> > ts_103190v010101p.pdf
> 
> 
> Annex E (normative): 
> AC-4 Bitstream Storage in the ISO Base Media File Format 
> 
> this give some hints

Yes, but I wasn't able to relate it to the content I had. Maybe someone can
take a look at this if qtdemux has any way of handling this.

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